633 results about "Impact hammer" patented technology

The utility model discloses a coating impact testing device, which belongs to the field of thermosetting powder coating performance testing, and comprises a bottom plate, limiting mechanisms arranged at the top of the bottom plate, an adjusting mechanism arranged between the limiting mechanisms, an impact mechanism arranged at the top of the adjusting mechanism, a marking mechanism arranged at the top of the impact hammer, and a marking mechanism arranged at the bottom of the marking mechanism. The marking mechanism comprises a material storage box, the bottom of the material storage box is connected with a discharging pipe, the discharging pipe is an elastic pipe, and a stirring assembly is arranged in the material storage box. The device has the beneficial effects that a marking mechanism is arranged, marking pigment in a storage box is conveyed to the bottom of an impact hammer through a discharging pipe, so that an impact site can be marked when the impact hammer impacts a coating, and a place with unobvious deformation can be conveniently observed; and the stirring rod is arranged in the storage box, the stirring rod is driven by the rotating shaft to rotate, the pigment in the storage box is mixed, and layering or solidification of the pigment is avoided.

According to the impact-cutting composite rock breaking hydraulic system and method for the mining heading machine, hydraulic damping and impact hammer collaborative operation are integrated, and the problems that a traditional heading machine is low in rock breaking efficiency, poor in stability and insufficient in adaptability are solved. The system comprises a cutting arm hydraulic damping system and an impact hammer hydraulic impact system, and multi-parameter closed-loop regulation and control are achieved through a controller. The device is characterized in that a double overflow protection mechanism is adopted, a proportional overflow valve and an external control overflow valve cooperate with each other, a hydraulic control one-way valve is combined for compensating an oil path, and the pressure difference of a hydraulic cylinder is dynamically kept stable; the impact hammer system adjusts the pressure of an energy accumulator through a proportional pressure reducing valve and is matched with a hydraulic control switch valve to realize variable impact energy control; based on feedback of a vibration sensor and a pressure sensor, damping and impact parameters of the cutting arm are adjusted in a self-adaptive mode through a nonlinear algorithm, and intelligent rock breaking operation under different rock stratum hardness is achieved. According to the system, the impact resistance stability, the rock breaking efficiency and the operation intelligence level of the heading machine are remarkably improved.

The invention belongs to the technical field of oil crop planting, and particularly relates to an oil crop planting and fertilizing device which comprises a frame. The stock bin is fixedly connected to the frame; the three blanking hoppers are fixedly connected to the bottom of the stock bin in sequence; the power mechanism is arranged on the frame and used for driving the frame to move; the crushing mechanism is arranged in the stock bin and is used for crushing the caked fertilizer; a third motor is started, the third motor drives a special-shaped gear to rotate through an output shaft, the special-shaped gear drives a toothed plate to move, the toothed plate drives a connecting plate and an impact hammer to move, a spring is stretched, when the special-shaped gear rotates and does not mesh with the toothed plate any more, meshing of the toothed plate is relieved, and under the action of the spring, the impact hammer, the connecting plate and the toothed plate rapidly reset. The impact hammer impacts on the discharging hopper to complete primary impact, at the moment, the special-shaped gear rotates again to be meshed with the toothed plate, secondary impact is conducted, soil and fertilizer on the inner wall of the discharging hopper are impacted to fall off through reciprocating impact, and the effect of rapidly cleaning the inner wall of the discharging hopper is achieved.

The invention relates to a composite percussion drilling speed increasing tool, and belongs to the technical field of drilling tools. The reciprocating hammering unit comprises a hammer body and an impact hammer, the hammer body is axially and slidably connected into the sleeve, the impact hammer is rotatably connected into the hammer body, a reversing sleeve is rotatably connected into the impact hammer, a reversing cabin is arranged on the reversing sleeve, and a reversing runner hole is formed in the hammer body; the flow channel switch unit comprises a baffle ring arranged on the surface of the hammer body and a transmission mechanism connected between the sleeve and the baffle ring, and the transmission mechanism is used for converting axial motion of the baffle ring into rotary motion so as to open or close the reversing flow channel hole. When the drilling tool is lifted, the axial movement of the baffle ring can be converted into rotary movement, so that the baffle ring rotates relative to the hammer body while axially displacing along with the hammer body, a reversing flow channel hole is shielded, and high-pressure drilling fluid cannot flow into a reversing cabin, so that high-frequency composite impact is stopped, vibration and abrasion caused by idling are avoided, and the service life of the drilling tool is prolonged. And the service life and the safety of the tool are improved.

The utility model discloses a plastic impact testing machine, which structurally comprises an upper top cover, a support frame, a guide shaft, a replacement door, a rubber pad, a placement table, a fixed base, a driver, an impact hammer body mechanism and an adjusting replacer, and the lower end of the upper top cover is welded with the upper end of the support frame. Structurally, the guide shaft is connected with the sliding rail groove frame arranged in the outer side of the hammer body shell for lifting and positioning, and a rolling bearing is arranged in the sliding rail groove frame, so that the movement process is smoother, and the unnecessary jamming phenomenon is avoided; furthermore, a connecting shaft is mounted in the hammer body shell, so that the weight of the counterweight thallium can be conveniently replaced and adjusted through a replacement door, and the counterweight thallium can be disassembled and changed more quickly in the impact test process of different bearing forces of different plastic parts according to needs and is fixed through a fixing shaft bolt; and the sliding wheels arranged on the inner sides of the limiting blocks can provide a smoother process in the disassembly, assembly and replacement processes.

The invention discloses an impact resistance test device for a marine diesel engine. The impact resistance test device comprises an impact resistance test bed, the upper end of the shock resistance test bench is connected with the test base; a plurality of vibration isolators are mounted on the test base, and anti-impact machine legs, fixedly connected with the bottom of a diesel engine, at the upper ends of the vibration isolators are connected with an impact hammer and are arranged on the outer side of the impact test bed for impacting the impact test bed; the data acquisition instrument is in circuit connection with the upper computer; and the data acquisition instrument is in circuit connection with an ECU (Electronic Control Unit) of the diesel engine, the external fuel pump and the pneumatic motor. The impact force borne by the diesel engine in the operation state when a ship is subjected to explosion impact is simulated on the land, and the working performance of the diesel engine can be detected when the diesel engine is subjected to impact resistance. And accessory equipment connected with the diesel engine is not arranged on the test bed and is flexibly connected with the diesel engine, so that the reliability is high, the device can be repeatedly used, and the test cost is reduced.

The utility model discloses an impact testing machine for hub detection, which comprises a workbench and an impact assembly, a support is fixedly mounted at the top of the workbench, the impact assembly comprises a magnetic attraction seat, a guide plate, a guide rod, a mounting plate, a bidirectional screw rod, a fixing rod, a knob, an impact hammer and a fixing plate, and an electric telescopic rod is mounted in the middle of the top of the support. The bottom of the electric telescopic rod penetrates through the support and is fixedly provided with a connecting plate. The two-way lead screw is driven to rotate by screwing the rotary knob clockwise and anticlockwise, then the fixing rods on the two sides can be driven to move towards the outer side at the same time, fixing of the fixing plate is lost, the impact hammer can be conveniently taken down, the impact hammer can be conveniently replaced, and when the impact hammer is installed, the fixing plate is placed in the groove body, so that the impact hammer is installed conveniently. The fixing holes are aligned with the fixing rods, then the knob can be screwed anticlockwise, the fixing rods are driven to move towards the inner side at the same time, and the impact hammer is installed.

The invention relates to the field of cantilever beam impact testing machines, in particular to a cantilever beam impact testing machine for raw materials for battery jar production, which comprises a buffer mechanism used for buffering and stopping limiting treatment of cantilever beam impact; the impact mechanism is used for carrying out impact resistance detection treatment on the stainless steel or polypropylene material; the clamping mechanism is used for clamping the stainless steel or polypropylene material; according to the cantilever beam impact testing machine for the raw materials for battery jar production, when a side pendulum bob and an impact hammer carry out impact resistance detection on stainless steel or polypropylene materials, if the materials are damaged, the side pendulum bob and the impact hammer continuously swing forwards due to inertia, and the impact resistance of the materials is greatly improved. And then the extending buffer plate can prevent the side pendulum bob and the impact hammer from swinging forwards, so that the effect of reducing the inertia residual force of the side pendulum bob and the impact hammer to the minimum is achieved.

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 relates to the technical field of elevator detection, and discloses an elevator landing door strength detection device which comprises a frame body and an impact hammer, and further comprises two arc-shaped guide rods and a clamping assembly, the impact hammer is hung at the top of the frame body, the two arc-shaped guide rods are symmetrically and fixedly installed in the frame body, and the clamping assembly is installed between the two arc-shaped guide rods in a sliding mode. According to the utility model, the arc-shaped guide rod and the clamping assembly are arranged; during use, the two clamping plates are adjusted to the two sides of the impact hammer, then the pull rod and the holding rod are pulled at the same time, the impact hammer can be clamped and lifted, in the lifting process, the two arc-shaped guide rods can guide the two round rods, the two limiting rings can limit the left sides and the right sides of the two round rods, the impact hammer cannot deviate in the lifting process, and therefore the impact hammer can be conveniently lifted. And the deviation of an impact point is avoided.

The utility model relates to the technical field of steel quality detection, in particular to a quality detection device for high-strength steel, which comprises a shell and an impact component. Through the cooperation of the screw rod and the rotating nut, the impact hammer head can be accurately controlled to move, so that the impact strength is adjusted, through the engagement of the upper end of the screw rod and the rotating nut, the impact hammer head can be controlled to move up and down through simple rotating action, and through the design of a ball and a handle arranged in the rotating nut, the impact strength is adjusted. According to the utility model, through the design of the magnetic attraction clamping seat and the chamfer of the striking hammer head, the transmission path of force is optimized, and the design of the chamfer of the striking hammer head and the magnetic attraction clamping seat is helpful for reducing the stress concentration in the striking process, and the high-strength steel detection device allows the detection of high-strength steel of different specifications and types, and improves the detection efficiency. The problem that the accuracy of evaluating the impact resistance and the fracture toughness of the material is poor due to insufficient detection strength is effectively solved.

The utility model discloses a sand screening machine convenient for classified screening, which relates to the technical field of sand screening machines and comprises a multi-stage screening component consisting of an outer screening drum, a connecting rod and an inner screening drum. Secondary screening holes and primary screening holes are formed in the outer side of the outer screen drum and the outer side of the inner screen drum respectively, and the mesh number of the primary screening holes is smaller than that of the secondary screening holes, so that screening of stones with different particle sizes is achieved. Multi-stage screening operation of materials can be achieved by arranging the structure of the inner screen drum and the outer screen drum, meanwhile, by arranging the connecting column and the self-weight impact hammer, when the connecting column rotates to be inclined upwards along with the outer screen drum, the self-weight impact hammer slides along the outer wall of the connecting column to impact the outer wall of the inner screen drum to achieve knocking vibration on the inner screen drum, and therefore the screening efficiency is improved. In this way, the gravel clamped on the inner sides of the primary screening holes are loosened and separated from the primary screening holes, the primary screening holes are prevented from being blocked, and therefore the device can keep the long-time efficient screening effect.

A steering head for a pipe ramming hammer bore construction system, configured to allows passage of soil through the center of the steering head while maintaining the ability to change the bore alignment through the use of inflatable bags which are underlying and adjacent to a portion of a shell member which extends radially outward from the steering head upon inflation of the inflatable bag. The inflatable bags may be inflated by inflation media supply lines which extend from the bore pit to the steering head and deflated by release of the inflation media. The media flow to the inflatable bags may be controlled by media valves which may be located in the steering head or, alternatively, at a different location, such as in the bore pit. The remote nature of the system eliminates the need for frequent removal of the pneumatic hammer, confined space entry, and manual corrections performed inside the casing.

The invention relates to a high-power vibroflotation lower assistance immersed tube bottom discharging device and a construction technology, and belongs to the field of vibroflotation construction. The device comprises a vibroflot, an immersed tube used for conveying filler and a lower power assisting system used for applying downward pressure to the immersed tube and the vibroflot, a feeding port is formed in the upper portion of the immersed tube, and a discharging port is formed in the lower end of the immersed tube. The lower power assisting mode of the lower power assisting system comprises but not limited to a vibration hammer, an impact hammer, a down-the-hole hammer and a winch lower pressurization system. The discharging mode is bottom discharging, including but not limited to damper upper portion discharging and vibroflot head discharging. The material guide pipeline of the immersed tube can be an external water, gas and gas pipeline channel or a water, gas and stone pipeline channel in the material guide pipeline, and is suitable for diversified construction. A high-power vibroflot is adopted to be matched with an immersed tube for construction, and the device is particularly suitable for treating muddy clay geology.

A high-performance battery pack test device provided by the utility model comprises a base, a rack, a lifting mechanism, an electromagnet and an impact hammer, the upper surface of the base is provided with a battery pack placing table, the rack is installed on the base, the lifting mechanism is installed on the rack, the electromagnet is installed on the lifting end of the lifting mechanism, and the impact hammer is installed on the lifting end of the lifting mechanism. At least one impact hammer is arranged, and is magnetically attracted and fixed at the bottom of the electromagnet; the required number of impact hammers to be tested are magnetically attracted and fixed to the bottom of the electromagnet, the impact hammers at the bottom of the electromagnet fall off at the same time through power-off control over the electromagnet, impact testing is achieved, simultaneous impact testing of different numbers of impact hammers can be achieved through the electromagnet magnetic attraction and fixing mode, and use is flexible and convenient.

The invention relates to the technical field of testing, and particularly discloses a drop hammer type dynamic deformation modulus testing device and method, and the device comprises a measuring unit which is used for measuring the dynamic deformation modulus data during the impact of an impact hammer; the load guiding unit is used for periodically releasing the impact hammer to the impact platform; the lifting unit is used for continuously conveying the impact hammer at the releasing end of the load guiding unit to the throwing end of the load guiding unit; the unloading unit is used for transferring the impact hammer at the release end of the load guide unit to the input end of the lifting unit; the loading unit is used for transferring the impact hammer at the output end of the lifting unit to the throwing end of the load guiding unit; the released impact hammer is continuously lifted to the throwing end of the load guide unit by using the continuously moving lifting piece, so that continuous throwing of the impact hammer can be realized, and compared with a traditional operation process of reciprocating releasing and lifting of a single impact hammer, the dynamic deformation modulus testing efficiency can be effectively improved.

The invention discloses an impact corrosion and wear resistance test device and a use method, and relates to the technical field of test equipment. The impact corrosion and wear resistance test device comprises a test tank body, a corrosion assembly, a wear assembly and an impact assembly, wherein the test tank body is provided with an accommodating space; the corrosion assembly comprises a discharge part, and the discharge part is arranged in the test tank body and is used for injecting a corrosion medium into the accommodating space; the abrasion assembly comprises a friction piece and a first driving piece, the friction piece is arranged in the containing space and makes contact with the sample, and the first driving piece drives the friction piece to move relative to the sample; the impact assembly comprises an impact hammer and a second driving piece, and the second driving piece drives the impact hammer to intermittently impact the friction piece, so that impact pressure is transmitted to the sample through the friction piece. According to the impact corrosion and wear resistance testing device, three working conditions of corrosion, impact and wear are coupled to act on the sample, and the accuracy and reliability of part performance evaluation are improved.

The invention relates to the technical field of marine geological engineering, in particular to a submarine geological parameter fused photovoltaic foundation construction resource allocation method which comprises the following steps: collecting submarine topographic data, rock-soil physical parameters and stratum bearing capacity parameters through a shipborne multi-beam sounding system, a submarine drilling sampling device and a static penetrometer; uniformly mapping various parameters to a three-dimensional geographic coordinate system, and constructing a standardized geological data cube; the stratum shear wave velocity, the standard penetration impact number and the water content are extracted, and a comprehensive geological rigidity index is calculated through fusion; according to index threshold values, three types of construction units of a hard rock area, a transition area and a soft soil area are divided, and a hydraulic impact hammer, a rotary drilling rig and a vibration pile sinking unit are matched; and when monitoring that the geological variation exceeds a set amplitude, automatically adjusting the configuration of equipment in an adjacent area, and generating a dynamic resource allocation scheme. According to the invention, precise configuration and intelligent scheduling of equipment under geological driving can be realized, and the efficiency and safety of submarine photovoltaic foundation construction are improved.

The present invention provides a high-energy water-pressure down-the-hole hammer based on impact rotary drilling technology. The structure of the high-energy water-pressure down-the-hole hammer based on impact rotary drilling technology includes an upper sub, a housing, a filter fixing sleeve, a drain valve cover, a fixed valve sleeve, a main valve, a piston hammer, a drill bit, a first support sleeve, a second support sleeve, a first sealing piston, a second sealing piston, a guide sleeve, a stop ring, and a fixed casing. The hammer internally is provided with a first chamber, a second chamber, a third chamber, and a control chamber. The main valve moves up and down along the cylindrical chamber inside the fixed valve sleeve, and the piston hammer moves up and down along the annular groove inside the fixed valve sleeve. Inside the fixed valve sleeve, there are provided a first control flow channel, a second control flow channel, and a third control flow channel that connect the four chambers and the outside. The high-pressure clear water in the first chamber pressurizes and depressurizes the second chamber, the third chamber, and the control chamber through the three control flow channels. The up and down movement of the main valve, the accelerated impact and decelerated braking of the piston hammer are mainly achieved by relying on the static pressure of the high-pressure clear water, driving the piston to do work, performing high-frequency heavy-load impacts on the rock, and improving the pump pressure and drilling efficiency.

The invention relates to the technical field of mineral drilling, in particular to intelligent drilling equipment for coal mine tunneling operation, which comprises a drilling platform, a drilling mechanism, an impact mechanism, a torque increasing mechanism and a guide mechanism, the drilling mechanism is fixedly arranged at one end of the top of the drilling platform, and the impact mechanism is fixedly arranged at one end, far away from the drilling mechanism, of the top of the drilling platform; the torque increasing mechanism is fixedly arranged at the top of the drilling platform and located between the drilling mechanism and the impact mechanism. Through the arrangement of the impact mechanism and the torque increasing mechanism, impact force can be provided for the spline shaft, the drilling efficiency is improved, meanwhile, after the impact hammer is meshed with the impact seat, torque force is generated on the impact seat, the torque force is further transmitted to the spline shaft and the drilling rod through the impact seat, and therefore the drilling rod is helped to get out of trouble, and the problem that the drilling rod is locked is solved.

The invention discloses an impact resistance detection device based on a sports protector. The impact resistance detection device is characterized by comprising a detection mold table, a multidirectional deflection structure arranged around the detection mold table, and an impact structure arranged on the multidirectional deflection platform, wherein the impact structure comprises a guide cylinder facing the detection die table and a piston plate connected in the guide cylinder in an elastic guiding manner, the center of the piston plate is connected with an impact shaft, the impact shaft extends out of the guide cylinder, the tail end of the impact shaft is connected with an impact hammer, the guide cylinder is provided with a winch, and the winch is connected with the impact hammer. The winch is connected with an impact motor through a clutch and connected with the piston plate through a movable pulley. The invention aims to provide an anti-impact detection device based on a sports protector. The device is provided with a multi-directional deflection structure, so that the deflection movement of the sports protector in a plurality of planes can be simulated. Meanwhile, in combination with an impact structure, impact testing is carried out on the to-be-tested protector installed on the detection mold table.

The invention discloses a construction method of an improved lock catch steel pipe pile cofferdam with a poor sand large-particle-size pebble covering stratum. The construction method comprises the following steps that an upper structure of a drilling platform is dismantled; measuring and setting out a pile position of the lock catch steel pipe pile cofferdam, sinking and positioning the steel pipe pile cofferdam by adopting a crawler crane and a vibratory hammer, and preliminarily entering a pebble bed; driving a pipe pile to a set elevation by utilizing a hydraulic impact hammer; for a steel pipe pile which is difficult in drilling footage or provided with boulders at the bottom, an XR280 rotary drilling guide hole is adopted; the steel pipe piles are smoothly closed; cofferdam water pumping; a small excavator is adopted for internal excavation, slag is discharged in a long arm excavation up-and-down transfer mode, a local rock stratum is firstly crushed and then excavated through a crushing hammer, water is pumped to the position 70 cm below an inner support of the road, and after the inner support is installed, water pumping continues to be conducted; and bottom sealing, pile head breaking and pile cap construction are carried out. By means of the construction method, the problems that the double-wall steel cofferdam is difficult to put down and level, and the site requirement is high can be effectively solved; the defects that a long steel sheet pile cofferdam is low in rigidity, prone to deformation and poor in water stopping effect are overcome. Through the cofferdam construction technology of the hydraulic impact hammer and the guide hole in the pipe of the rotary drilling rig, the hydraulic impact hammer is used for driving the steel pipe pile, the guide hole in the pipe of the rotary drilling rig and the pile-forming construction of a single pipe pile only need 10 minutes, and the construction period is greatly shortened.

The invention discloses an intelligent geological structure stress field simulation system and a use method thereof.The intelligent geological structure stress field simulation system comprises a geological structure simulation site, an integrated control system is installed on the geological structure simulation site, a supporting frame is installed on the geological structure simulation site, and a geological simulation area is arranged at the front end of the geological structure simulation site; the support frame is provided with a connecting center, one side of the connecting center is provided with an impact mechanism, the other side of the connecting center is provided with a sampling mechanism, the sampling mechanism is internally connected with a linkage mechanism, and the other end of the linkage mechanism is connected with the impact mechanism; the driving requirements of the impact mechanism and the sampling mechanism are integrated through the linkage mechanism, the geological impact hammer and the sampling drill bit can be synchronously driven only through a single driving source (the first driving motor), energy redundancy caused by parallel work of traditional double motors is thoroughly eliminated, and compared with a traditional system, energy consumption is reduced, and the energy utilization efficiency is remarkably improved.

The utility model discloses an impact hammer for testing an explosion-proof product, which comprises a support, symmetrical electromagnets are arranged at two ends of the back of the support, a bearing is arranged in the middle of the support, the bearing is provided with a bearing seat, the support is movably connected with one end of a connecting rod through the bearing, a hammer body is arranged at the other end of the connecting rod, and the hammer body is connected with the support. And a replaceable hammer head in the same direction as the electromagnet is arranged on the hammer body. According to the utility model, the electromagnet is fixed on a vertical tested object to carry out an impact test; the gyroscope sensor monitors the impact energy value of the hammer head, and the display displays the impact value, so that the impact energy of the hammer head can be conveniently and quickly adjusted on site by a user so as to adapt to different materials and test requirements. The impact hammer can be used for testing the surfaces of equipment shells with different roughness and different materials, is convenient to carry, is suitable for non-electric complete equipment which is large in size and weight and cannot be transported to a laboratory for testing, and is very high in practical value.

The utility model relates to the technical field of coffee making equipment, and discloses an impact type coffee powder pressing hammer which comprises an outer sleeve, a telescopic sleeve is movably sleeved with the outer sleeve, a first spring is sleeved with the outer portion of the telescopic sleeve, a base is in threaded connection with the interior of the lower end of the outer sleeve, and a powder disc is in threaded connection with the inner side of the telescopic sleeve. The middle of the powder disc is in threaded connection with a bearing block, and the upper end of the interior of the telescopic sleeve is movably sleeved with an outer sleeve. According to the impact type coffee powder pressing hammer, the impact hammer inclines due to the flange with the uneven thickness in the natural state so as to abut against the edge of the upper end of the bearing block, the impact hammer can abut against the bearing block all the time when being pressed downwards, a third spring above is compressed, and the third spring stores energy for the impact hammer; when the coffee powder bowl is pressed, the groove formed in the middle step of the outer sleeve makes contact with the impact hammer, the middle step of the outer sleeve drives the position of the impact hammer to be corrected, the impact action is achieved, and powder in the coffee powder bowl can be pressed more compactly.

The utility model discloses a drop hammer type impact test device, which comprises a bottom plate, an impact test device and a control device, and is characterized in that the bottom plate is horizontally arranged; the connecting seat is fixedly mounted on the bottom plate; one end of the impact hammer supporting rod is rotationally connected to the connecting seat through a pin shaft; the impact hammer is connected to the other end of the impact hammer supporting rod; the limiting baffle is fixedly connected to the bottom plate; the limiting baffle is vertically arranged, located on the back side of a hammer head of the impact hammer and used for limiting the initial position of the impact hammer. The magnetic coupling comprises a first magnetic rotating shaft and a second magnetic rotating shaft which are arranged at an interval; wherein the first magnetic rotating shaft is coaxially and fixedly connected with a pin shaft of the impact hammer supporting rod; a power output shaft of the motor is coaxially and fixedly connected with the second magnetic rotating shaft; the translation mechanism is fixedly mounted on the bottom plate; wherein the motor is fixedly mounted at the moving end of the translation mechanism, and the translation mechanism can drive the motor to move horizontally to drive the second magnetic rotating shaft to be close to or away from the first magnetic rotating shaft.

The invention discloses an efficient crushing impact hammer crusher, and relates to the field of hammer crushs.The side face of a frame is fixedly connected with a motor, a feeding port is formed in the side face of the frame, the side face of the frame is fixedly connected with a support, and the side face of the support is fixedly connected with an electric hydraulic rod; the crushing component is arranged, the output end of the motor drives the main shaft to rotate in the frame, meanwhile, the main shaft drives the plate hammer to crush and throw out materials, and meanwhile, the thrown-out materials are impacted and crushed through the impact frame; when the main shaft drives the plate hammer to rotate in the frame, the plate hammer makes contact with the contact mechanism to rotate through the connecting frame, so that the contact mechanism can make contact with and clean a hammer head of the plate hammer, and the situation that when the plate hammer collides and crushes materials for a long time, a large amount of material residues are left on the hammer head of the plate hammer is avoided.

The utility model belongs to the technical field of hammer crushers, and particularly relates to a reversible impact hammer crusher with a dust falling structure, which comprises a crusher body, a feed port arranged at the top of the crusher body, a support plate connected to the rear end of the crusher body, a water pipe abutted against the top of the support plate, and a nozzle in threaded connection with the water pipe close to the crusher body. One side of the water pipe is connected with the fixed cover, the other side of the spray head is connected to the fixed cover in a penetrating mode, one side of the water pipe is connected with the water pump through a first flange, and the other side of the water pump is provided with a second flange in a threaded mode. And meanwhile, water mist is sprayed into the fixing cover through a spray head fixed in the fixing cover in a penetrating mode, so that the dust raising amount is reduced, and the situation that a large amount of dust drifts into air to affect the working environment is avoided.

The invention provides an intelligent impact casing shaping tool used in the field of deformed casing shaping and repairing, and particularly relates to a power module, a detection module and a repairing module, the power module generates power through turbine rotation, the detection module sends pipe wall information to a ground receiving device in real time, and when a pipe wall defect is detected, the repairing module sends the pipe wall information to the ground receiving device; when the drilling fluid flow is increased on the ground, a clutch unit in the repairing module is matched with a power disc under the action of centrifugal force of a centrifugal block, power is transmitted to a cam seat, when the cam seat rotates, a cam is matched with a roller, an impact hammer is lifted, and when the roller descends, an impact spring releases elastic potential energy. And under the combined action of the impact spring and the impact hammer, the repair push block impacts the deformed part, the repair operation of the deformed casing pipe is achieved, the structure is simple, the deformed casing pipe can be effectively repaired, and the service life of the casing pipe is prolonged.

The utility model provides a device convenient for flexible operation and sand taking in a shallow water area of a hard covering layer, which comprises a platform detachably arranged on a cutter suction dredger, a switching rod is arranged on the platform, a force application rod and an impact hammer are arranged on one side of the switching rod and are positioned on the front side of a rotary drill bit, and the rotary drill bit is hinged with the cutter suction dredger through a supporting pipe. The supporting pipe is connected with a bearing frame through a steel cable, the bearing frame is fixedly connected with a cutter suction dredger, a winch is further arranged on the upper portion of the bearing frame and connected with a locking rod through a pull wire, the locking rod is in sliding connection with a force application rod, and a secondary impact rod and a spring are arranged on the two sides of the locking rod located in the force application rod respectively. The bottom of the secondary impact rod abuts against the impact hammer, and the spring is compressed through the locking rod so that elastic force can be transmitted to the impact hammer through the secondary impact rod. The device is ingenious in design and compact in structure, can greatly improve the convenience of construction, and has good economic benefits.