Electromagnetic hammer |
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IPC classes for russian patent Electromagnetic hammer (RU 2479705):
 Method to drill rocks and device for its realisation / 2473766
Method to drill rocks includes feeding a chisel to a well bottomhole, damaging of rock at the bottom hole and drilling of a well interval by striking the chisel, cleaning of the bottomhole from drilling slurry. Damage of rocks and drilling of the well are carried out by striking the chisel with a striker arranged in the electromagnet cavity, with frequency equal to 40-50 strikes per minute, and amplitude of relative oscillations equal to the length of the electromagnet cavity. The device for rock drilling includes a drilling chisel, an impact action mechanism, a suspension mechanism and a chisel lifting mechanism, a sludge pump, a filler, a centraliser, a cable lock, a frequency converter and scissors. The impact action mechanism is made as an electromagnet striker, comprising an electromagnet, the upper end part of the body of which is connected with the centraliser via the filler and the cable lock, and the lower part - via an anvil and scissors with the drilling chisel. At the same time the electromagnet is arranged in the form of a solenoid with a hollow core, in the cavity of which there is a spring and a striker, and the suspension element is arranged in the form of a weight-bearing cable.
 Device for deepening of foundation accessories and/or pipes and/or earth screws in soil used as mounting implement on building machine boom / 2468147
Device for manipulation and deepening of foundation accessories and/or pipes and/or earth screws into soil, used as an additional implement for suspension onto a construction machine boom and comprising a suspension, by means of which the device, if required, also with the help of a regular quick-acting coupling, is fixed in place of a hinged connection on a boom, and rigidly fixed with a suspension of a driving head in the form of a drive for screwing and/or drilling and/or impact drilling and/or plugging, to which a foundation accessory may be attached and/or a pipe and/or a earth screw for manipulation and actuation. The place of hinged connection on the boom is arranged as capable of displacement relative to the driving head, at least in the first direction perpendicular to the longitudinal axis of the foundation accessory/earth screw.
 Pile driver / 2444591
Pile driver comprises an upper part of the pile driver guides arranged on the front part of the basic machine and supported with a hydraulic cylinder of pile driver guides lifting at the back, and a lower part of the pile driver guides supported with a facility of control in back and forth direction, a facility of control in back and forth direction comprising a bracket of the pile driver guides, having a rotary base attached as capable of rotation to the basic machine, and a rotary end attached as capable of rotation to the lower part of the pile drive guides, and a facility to actuate the bracket to rotate the bracket of the pile drive guides relative to the rotary base. The first arc outlined with the rotary end, when the bracket of the pile driver guides rotates for control of the lower part of the pile driver guides in back and forth direction. The second arc outlined with a connection part between the pile drive guides and the top of the hydraulic cylinder for lifting of the pile drive guides, which moves, when the lower part of the pile drive guides moves back and forth along the first arc, besides, both are convex to upwards. The radius of the first arc is less than the radius of the second arc. Each of the end of the first arc and the end of the second arc, when the lower part of the pile drive guides is installed in the farthest back position, is in the highest position, and the direct line passing through both end points of the second arc, is parallel to the tangent in the central part of the first arc.
 Impact device to submerge rods into soil / 2443827
Body of an impact device is rigidly fixed on a front external end facing the soil surface in a hollow double-sided stem having a piston in a hydraulic cylinder arranged in the plane perpendicular to the soil surface and fixed as capable of angular rotation by ±90° in the carriage. This carriage is progressively movable in vertical guides of the frame parallel to the specified plane and rigidly fixed in the rear part of a hydroficated basic machine. At the same time the submersible element enters into the soil via an end hole in the rear external end of the stem and is substantially permanently placed in its axial plane. Application of the invention will make it possible to ensure complete mechanisation of the soil slopes reinforcement process by driving flexible rod elements into them.
 Method for erection of foundation, foundation and pile / 2386752
Group of inventions is related to construction and may be used to erect foundations of industrial and civil buildings with high vertical and horizontal loads under complex engineering and geological conditions, including undermined territories. In process of pile foundation erection piles are installed serially. At least one of piles is driven towards and at the angle to the previously arranged pile with provision of mutual support. Piles may be curvilinear. In this case they are submerged in soil with convexity to the side of base soil with the possibility to form arches in soil, which are inserted one into another. Piles may be provided with widening, then they are driven till mutual support in the area of widening. Widening may be arranged with holes or in the form of forks with teeth, also equipped with links with the possibility of their partial rumpling or damaging. Widening teeth may be joined by rope, besides rope is fixed on outer teeth and is pulled through holes with rollers in central teeth.
 Method for hollow pile submersion (versions) / 2386751
Invention is related to construction, in particular to pile foundations. Method for submersion of reinforced concrete hollow pile under action of static or dynamic load developed by installation with loader includes installation of soil piercing device (SPD) into pile cavity, fixation of its position relative to pile; installation of pile with fixed SPD into vertical position relative to earth surface by equipment for pile submersion; submersion of pile into soil till specified elevation, under action of static, dynamic or combined load at pile and facility of soil piercing simultaneously; removal of soil piercing facility from pile cavity; filling of cavity with concrete mortar; at the same time SPD is installed in pile cavity, comprising stem and sharpened tip in the form of cone, or pyramid, or wedge, in which distance from upper end of rod to base of tip is longer than pile length; base of tip is set at the distance from lower end of pile, defined from the following ratio:
 Electric hammer / 2379422
Electric hammer contains a body with a three-phase primary winding on its internal surface. The body comprises a floating a head anchor with a short-circuited conductive winding on its external surface. It also accommodates head anchor position sensors and a frequency-controlled supply and control system, a hatchway with shock-absorbers. The electric hammer is made of N primary bodies and startors respectively with bearings on their ends. There bodies in upper and lower parts have guides of the head anchor travel. Said bodies and guides are placed in the second body formed along the full length of the first bodies and guides with air gaps, The guides in upper and lower parts have the apertures connected with said gaps. The upper cover of the upper guide is provided with a spring shock-absorber, and in the upper and lower parts of the second body of the electric hammer there are sucking and discharge fans respectively. The frequency-controlled supply and control system can be connected to a storage battery.
 Electric hammer / 2315181
Electric hammer comprises body with three-phase winding of linear induction motor stator adapted to receive reciprocating hollow striking armature installed therein in fluid-tight manner. The striking armature is monolithic in lower part and includes short-circuited current-conducting winding formed from outer surface thereof. Hammer comprises anvil block with damping means. Linear induction motor stator winding is installed in upper part of cylindrical electric hammer body, which is provided with tubular striking armature position sensors. Cylindrical body of electric hammer is installed inside cylindrical sealed shell so that lower and upper chambers are created. Chamber lengths are equal to cylindrical body length and striking armature travel correspondingly. The upper and lower chambers are freely connected with each other. Upper chamber is communicated with striking armature interior. Lower chamber has pipeline with check valve. Lower chamber and striking armature interiors are partly filled with heat-conductive and electrical insulation liquid. Remainder zones of lower chamber, striking armature interior and total upper chamber are filled with high-pressure heat-conductive gas. Lower chamber has protective safety valve. Vacuum chamber is created between lower monolithic striking armature part and anvil block. Damping means is installed in lower monolithic part of cylindrical electrical hammer body in fluid-tight manner and may reciprocate relatively the body. Cylindrical fluid-tight shell has additional weight. Short-circuited current-conducting winding of linear induction motor stator is linked to frequency-regulated power supply and control system.
 Electromagnetic hammer / 2295025
Electromagnetic hammer contains cylindrical magnetic duct body with coaxially mounted electromagnetic coils of the same name of direct and reverse drive, guiding pipe, ferromagnetic strikers, indicators of upper and lower positions of ferromagnetic striker, energy feeding and control system. Electromagnetic hammer consists of n elementary electromagnetic hammers, mounted successively one on top of another. Between ferromagnetic strikers of elementary electromagnetic hammers, non-magnetic steel spacer plates are inserted, each having length equal to drive value of ferromagnetic striker. Above the uppermost ferromagnetic striker and below lowermost ferromagnetic striker, hermetic hollows are formed. Electromagnetic hammer is provided with n load masses. Electromagnetic coils of the same name are connected between each other synchronously and serially and have divided hollow disks. Each electromagnetic coil of the same name together with part of body of elementary electromagnetic hammers is made of identical sections. Guiding pipe and magnetic ducts are made hollow. Guiding pipe of electromagnetic hammer has longitudinal recess, filled with non current-conductive material.
 Electric hammer / 2282029
Electric hammer comprises cylindrical body with three-phase winding located on inner body surface and tubular striking rotor slidably arranged in the body. The striking rotor is provided with excitation coils and short-circuited current-conducting rings located on outer striking rotor surface at poles thereof. The electric hammer has set-on weight installed on cylindrical surface thereof and connected to the surface and comprises striking rotor position sensors. Electric hammer has movable anvil block having case sealed to lower, inner part of cylindrical hammer body. The anvil block comprises damping chamber. High-pressure air chamber is defined by striking rotor cavities and cylindrical hammer body over the striking rotor and is connected to compressor by pipeline provided with check valve. Damping chamber of anvil block is communicated with ambient space through high-pressure safety valve, which in turn is linked to compressor through check valve. Lower part of anvil block has air-tightly installed cylindrical transmission power plate supported by anvil block case. Electric hammer also has power supply system, which controls three-phase winding of cylindrical body, and striking rotor excitation system.
 Method for cast-in-place pile building in collapsible ground / 2266368
Method involves drilling pilot hole; installing casing pipe connected to puncher; punching the well ground by dropping load on the puncher through casing pipe to reach design point and enlarging the casing pipe; arranging reinforcement case in the pipe; filling the well with concrete mix as casing pipe moves upward; compacting the concrete mix. In the case of pile with 300-1500 mm diameter forming and in the case of collapsible ground layer thickness up to 18 m or 18-50 m ratio between pilot hole depth and collapsible ground thickness is 1:(4.5-6) and 1:(1.5-5). The puncher has reinforced concrete tip and head made of tube with outer diameter equal to inner diameter of pilot hole. Welded to the head are centering rings. The tip has ring to engage thereof with technological control rod provided with thread, washer with retainers and nut on opposite end thereof. Ratio of height H of upper head part provided with centering rings to length of casing pipe to be installed in the head is 1:(20-30). Ratio between outer puncher diameter D and outer diameter d at tapered part ℓ thereof is equal to 1:0.8. Length ratio between cylindrical head part L and cylindrical tapered part ℓ is equal to 1:0.6. Angles γ of head and head transition area leading to tapered part ℓ are equal to 30°. Difference between outer puncher diameter D to outer casing pipe T diameter is 90-100 mm.
 Device for driving casing strings / 2245964
Device is suspended on flexible support of balancing mechanism and includes striker bar with tail piece, head piece of casing pipes, spring and locking element placed on tail piece. Tail piece of striker bar is made with stopping clamp and is provided with support washer. Locking element is made with possible displacement along tail piece axis. Spring is mounted between support washer and locking element.
Method for cast-in-place pile building in collapsible ground / 2266368
Method involves drilling pilot hole; installing casing pipe connected to puncher; punching the well ground by dropping load on the puncher through casing pipe to reach design point and enlarging the casing pipe; arranging reinforcement case in the pipe; filling the well with concrete mix as casing pipe moves upward; compacting the concrete mix. In the case of pile with 300-1500 mm diameter forming and in the case of collapsible ground layer thickness up to 18 m or 18-50 m ratio between pilot hole depth and collapsible ground thickness is 1:(4.5-6) and 1:(1.5-5). The puncher has reinforced concrete tip and head made of tube with outer diameter equal to inner diameter of pilot hole. Welded to the head are centering rings. The tip has ring to engage thereof with technological control rod provided with thread, washer with retainers and nut on opposite end thereof. Ratio of height H of upper head part provided with centering rings to length of casing pipe to be installed in the head is 1:(20-30). Ratio between outer puncher diameter D and outer diameter d at tapered part ℓ thereof is equal to 1:0.8. Length ratio between cylindrical head part L and cylindrical tapered part ℓ is equal to 1:0.6. Angles γ of head and head transition area leading to tapered part ℓ are equal to 30°. Difference between outer puncher diameter D to outer casing pipe T diameter is 90-100 mm.
Electric hammer / 2282029
Electric hammer comprises cylindrical body with three-phase winding located on inner body surface and tubular striking rotor slidably arranged in the body. The striking rotor is provided with excitation coils and short-circuited current-conducting rings located on outer striking rotor surface at poles thereof. The electric hammer has set-on weight installed on cylindrical surface thereof and connected to the surface and comprises striking rotor position sensors. Electric hammer has movable anvil block having case sealed to lower, inner part of cylindrical hammer body. The anvil block comprises damping chamber. High-pressure air chamber is defined by striking rotor cavities and cylindrical hammer body over the striking rotor and is connected to compressor by pipeline provided with check valve. Damping chamber of anvil block is communicated with ambient space through high-pressure safety valve, which in turn is linked to compressor through check valve. Lower part of anvil block has air-tightly installed cylindrical transmission power plate supported by anvil block case. Electric hammer also has power supply system, which controls three-phase winding of cylindrical body, and striking rotor excitation system.
Electromagnetic hammer / 2295025
Electromagnetic hammer contains cylindrical magnetic duct body with coaxially mounted electromagnetic coils of the same name of direct and reverse drive, guiding pipe, ferromagnetic strikers, indicators of upper and lower positions of ferromagnetic striker, energy feeding and control system. Electromagnetic hammer consists of n elementary electromagnetic hammers, mounted successively one on top of another. Between ferromagnetic strikers of elementary electromagnetic hammers, non-magnetic steel spacer plates are inserted, each having length equal to drive value of ferromagnetic striker. Above the uppermost ferromagnetic striker and below lowermost ferromagnetic striker, hermetic hollows are formed. Electromagnetic hammer is provided with n load masses. Electromagnetic coils of the same name are connected between each other synchronously and serially and have divided hollow disks. Each electromagnetic coil of the same name together with part of body of elementary electromagnetic hammers is made of identical sections. Guiding pipe and magnetic ducts are made hollow. Guiding pipe of electromagnetic hammer has longitudinal recess, filled with non current-conductive material.
Electric hammer / 2315181
Electric hammer comprises body with three-phase winding of linear induction motor stator adapted to receive reciprocating hollow striking armature installed therein in fluid-tight manner. The striking armature is monolithic in lower part and includes short-circuited current-conducting winding formed from outer surface thereof. Hammer comprises anvil block with damping means. Linear induction motor stator winding is installed in upper part of cylindrical electric hammer body, which is provided with tubular striking armature position sensors. Cylindrical body of electric hammer is installed inside cylindrical sealed shell so that lower and upper chambers are created. Chamber lengths are equal to cylindrical body length and striking armature travel correspondingly. The upper and lower chambers are freely connected with each other. Upper chamber is communicated with striking armature interior. Lower chamber has pipeline with check valve. Lower chamber and striking armature interiors are partly filled with heat-conductive and electrical insulation liquid. Remainder zones of lower chamber, striking armature interior and total upper chamber are filled with high-pressure heat-conductive gas. Lower chamber has protective safety valve. Vacuum chamber is created between lower monolithic striking armature part and anvil block. Damping means is installed in lower monolithic part of cylindrical electrical hammer body in fluid-tight manner and may reciprocate relatively the body. Cylindrical fluid-tight shell has additional weight. Short-circuited current-conducting winding of linear induction motor stator is linked to frequency-regulated power supply and control system.
Electric hammer / 2379422
Electric hammer contains a body with a three-phase primary winding on its internal surface. The body comprises a floating a head anchor with a short-circuited conductive winding on its external surface. It also accommodates head anchor position sensors and a frequency-controlled supply and control system, a hatchway with shock-absorbers. The electric hammer is made of N primary bodies and startors respectively with bearings on their ends. There bodies in upper and lower parts have guides of the head anchor travel. Said bodies and guides are placed in the second body formed along the full length of the first bodies and guides with air gaps, The guides in upper and lower parts have the apertures connected with said gaps. The upper cover of the upper guide is provided with a spring shock-absorber, and in the upper and lower parts of the second body of the electric hammer there are sucking and discharge fans respectively. The frequency-controlled supply and control system can be connected to a storage battery.
Method for hollow pile submersion (versions) / 2386751
Invention is related to construction, in particular to pile foundations. Method for submersion of reinforced concrete hollow pile under action of static or dynamic load developed by installation with loader includes installation of soil piercing device (SPD) into pile cavity, fixation of its position relative to pile; installation of pile with fixed SPD into vertical position relative to earth surface by equipment for pile submersion; submersion of pile into soil till specified elevation, under action of static, dynamic or combined load at pile and facility of soil piercing simultaneously; removal of soil piercing facility from pile cavity; filling of cavity with concrete mortar; at the same time SPD is installed in pile cavity, comprising stem and sharpened tip in the form of cone, or pyramid, or wedge, in which distance from upper end of rod to base of tip is longer than pile length; base of tip is set at the distance from lower end of pile, defined from the following ratio:
Method for erection of foundation, foundation and pile / 2386752
Group of inventions is related to construction and may be used to erect foundations of industrial and civil buildings with high vertical and horizontal loads under complex engineering and geological conditions, including undermined territories. In process of pile foundation erection piles are installed serially. At least one of piles is driven towards and at the angle to the previously arranged pile with provision of mutual support. Piles may be curvilinear. In this case they are submerged in soil with convexity to the side of base soil with the possibility to form arches in soil, which are inserted one into another. Piles may be provided with widening, then they are driven till mutual support in the area of widening. Widening may be arranged with holes or in the form of forks with teeth, also equipped with links with the possibility of their partial rumpling or damaging. Widening teeth may be joined by rope, besides rope is fixed on outer teeth and is pulled through holes with rollers in central teeth.
Impact device to submerge rods into soil / 2443827
Body of an impact device is rigidly fixed on a front external end facing the soil surface in a hollow double-sided stem having a piston in a hydraulic cylinder arranged in the plane perpendicular to the soil surface and fixed as capable of angular rotation by ±90° in the carriage. This carriage is progressively movable in vertical guides of the frame parallel to the specified plane and rigidly fixed in the rear part of a hydroficated basic machine. At the same time the submersible element enters into the soil via an end hole in the rear external end of the stem and is substantially permanently placed in its axial plane. Application of the invention will make it possible to ensure complete mechanisation of the soil slopes reinforcement process by driving flexible rod elements into them.
Pile driver / 2444591
Pile driver comprises an upper part of the pile driver guides arranged on the front part of the basic machine and supported with a hydraulic cylinder of pile driver guides lifting at the back, and a lower part of the pile driver guides supported with a facility of control in back and forth direction, a facility of control in back and forth direction comprising a bracket of the pile driver guides, having a rotary base attached as capable of rotation to the basic machine, and a rotary end attached as capable of rotation to the lower part of the pile drive guides, and a facility to actuate the bracket to rotate the bracket of the pile drive guides relative to the rotary base. The first arc outlined with the rotary end, when the bracket of the pile driver guides rotates for control of the lower part of the pile driver guides in back and forth direction. The second arc outlined with a connection part between the pile drive guides and the top of the hydraulic cylinder for lifting of the pile drive guides, which moves, when the lower part of the pile drive guides moves back and forth along the first arc, besides, both are convex to upwards. The radius of the first arc is less than the radius of the second arc. Each of the end of the first arc and the end of the second arc, when the lower part of the pile drive guides is installed in the farthest back position, is in the highest position, and the direct line passing through both end points of the second arc, is parallel to the tangent in the central part of the first arc.
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FIELD: construction. SUBSTANCE: electromagnetic hammer comprises a stator with an excitation winding, an impact element, a reverse system and a jacket. The stator comprises a transverse rod (1), on which there is an excitation winding (2), and two longitudinal rods (3) of round section, where an anchor winding is placed. The impact element is made in the form of two cylinders (4) with round holes connected with a link (5) and an impact part (6). Axes of holes are displaced relative to axes of cylinders (4) towards the periphery of the impact element. EFFECT: reduced magnetic resistance of a magnetic circuit, higher efficiency of winding usage and reduced consumption of a winding wire. 9 cl, 1 dwg
The technical field to which the invention relates. The invention relates to the construction and mining, and in particular to electromagnetic devices for percussion drilling using a reciprocating percussion element. The level of technology Closest to the invention to the technical nature of an electromagnetic hammer, containing the stator winding, the striker system, reverse and shroud (see patent RU No. 2018652). In the famous hammer magnetic circuit has a significant non-magnetic portion comprising a non-magnetic spacer between the magnetic part of the stator and the percussion element and the working air gap, the size of which is commensurate with the length of the stroke. This results in a large magnetic resistance, leading to reduced traction and the need to increase the magnetomotive force, and consequently, increase the number of turns of the excitation winding and a waste of magnet wire. The nonmagnetic spacer between the magnetic part of the stator and the shock element is not used to create traction, which also leads to its limit. In addition, for direct and reverse are different windings, which leads to inefficient use of winding and additional excessive winding is knogo wire. Disclosure of inventions The problem to which the invention is directed, is to increase the efficiency of the winding and the reduction of the winding wire. The technical result is to reduce the magnetic resistance of the magnetic circuit, is used to create traction both non-magnetic sections, separating the stator and the shock element, used for direct and reverse of the same winding, increasing traction and reducing the number of turns of the winding. The technical result is the following set of features: electromagnetic hammer, containing the stator winding, the striker system, reverse and casing, characterized in that the stator consists of a transverse rod on which is placed the excitation winding, and two longitudinal rods of circular cross section, which are armature winding, percussion element is designed in the form of two cylinders with circular holes, connected by a bridge, and a percussion part, with the axis of the holes is offset relative to the axis of the cylinder to the periphery of the drum element. The task, which directed the claimed invention, and the technical result is interconnected as follows. Reducing the magnetic resistance of the magnetic the ETUI, use to create traction both non-magnetic sections, separating the stator and the shock element, direct and reverse of the same winding, increasing traction and reducing the number of turns of the winding causes the efficiency of the winding and the reduction of the winding wire. Brief description of drawings The drawing shows an electromagnetic hammer. The implementation of the invention The invention can be implemented as follows. The electromagnetic hammer, containing the stator excitation winding drum element, system-reverse and the casing, the stator consists of a transverse rod on which is placed the excitation winding, and two longitudinal rods of circular cross section, which are armature winding, percussion element is designed in the form of two cylinders with circular holes, connected by a bridge, and a percussion part, with the axis of the holes is offset relative to the axis of the cylinder to the periphery of the impactor (see drawing). Thus, the purpose of the invention is its use as an electromagnetic hammer is implemented. Information confirming the possibility of getting in the exercise of invention technical result (causality substantial priznaki the specified technical result), consist of the following. The implementation of the stator consisting of a transverse rod on which is placed the excitation winding, and two longitudinal rods of circular cross section, which are armature winding, shock element in the form of two cylinders with circular holes, connected by a bridge, and a percussion part, with the axis of the holes is offset relative to the axis of the cylinder to the periphery of the drum element leads to the reduction of the magnetic resistance of the magnetic circuit, used to create traction both non-magnetic sections, separating the stator and the shock element, use for direct and reverse of the same winding, increasing traction and reducing the number of turns of the winding. Therefore, the set of essential features sufficient to achieve provided by the invention a technical result. Design description of the device The electromagnetic hammer, containing the stator excitation winding drum element, system-reverse and the casing, the stator consists of a transverse rod 1 where the excitation winding 2, and two longitudinal rods 3 of circular cross section, which are armature winding, percussion element is designed in the form of two cylinders with 4 round holes, connected by a bridge 5, and the RAM 6. Asiatische offset relative to the axis of the cylinder 4 to the periphery of the drum element. This provides a changing cross-sectional areas of the cylinders, in which localized magnetic flux, in accordance with the change of concentration of the magnetic flux, which leads to uniform saturation of these sites. The circumference of the longitudinal rods 3 are transverse grooves and teeth for placement in the slots of the anchor turns of the winding, and forming performed a longitudinal groove for connection of coils located in the adjacent transverse grooves. The total area of the bases of the teeth under the pole shock element equal to the cross-sectional area of the longitudinal rod 3 in the area of the groove and is equal to the sectional area of the transverse rod 1 and the ridges 5. The stator contains two guide rod of non-magnetic material. System reverse made in the form of a switch, the polarity of the anchor coil or winding. The stator is installed limiters reverse shock element with elastic overlays. Hammer equipped with a holding magnet or an electromagnet mounted on the rod can move, while on the lower end of the rod made a stop. Hammer works as follows. The excitation winding 2 creates a magnetic flux, which is localized in the transverse rod 1, the first longitudinal rod 3, the first working air gap between the first longitudinal crucial is eat 3 and the first cylinder 4, the first cylinder 4, the crosspiece 5, the second cylinder, the second working air gap between the second cylinder and the second longitudinal bar and the second longitudinal rod. The magnetic flux in the working air gap interacts with the current anchor winding, resulting in accordance with the law of ampere occurs traction for acceleration shock element. The magnetic flux in the working gap is distributed evenly along the circumference of the longitudinal rods, so all plots anchor winding under the pole, are used to create traction. Reverse shock element is extinguished limiters reverse. It was also reported impetus to the holding magnet or electromagnet that moves the rod up, and then he falls back and is fixed in the lower position stop. Thus, the proposed electromagnetic hammer, unlike the prototype, increases the efficiency of the coil and decreases the consumption of magnet wire. The effectiveness of the proposed electromagnetic hammer due to its superior design. 1. Electromagnetic hammer, containing the stator winding, the striker system, reverse and casing, characterized in that the stator consists of a transverse rod on which is placed a coil in which sbordone, and two longitudinal rods of circular cross section, which are armature winding, percussion element is designed in the form of two cylinders with circular holes, connected by a bridge, and a percussion part, with the axis of the holes is offset relative to the axis of the cylinder to the periphery of the drum element. 2. Hammer according to claim 1, characterized in that the circumference of the longitudinal rods made of transverse grooves and teeth for placement in the slots of the anchor turns of the winding, and forming performed a longitudinal groove for connection of coils located in the adjacent transverse grooves. 3. Hammer according to claim 2, characterized in that the total area of the bases of the teeth under the pole shock element equal to the cross-sectional area of the longitudinal rod in the area of the groove and is equal to the sectional area of the transverse rod and the bridge. 4. Hammer according to claim 1, characterized in that the stator contains two guide rod. 5. Hammer according to claim 4, characterized in that the guide rods are made of non-magnetic material. 6. Hammer according to claim 1, characterized in that the system reverse made in the form of a switch, the polarity of the anchor winding. 7. Hammer according to claim 1, characterized in that the system reverse made in the form of a switch, the polarity of the field winding. 8. Hammer according to claim 1, characterized in that the stator is installed terminators back is of course impactor with elastic overlays. 9. Hammer according to claim 1, characterized in that it is equipped with a holding magnet or an electromagnet, mounted on a rod can move, while on the lower end of the rod is made stop.
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