EP0377754A1 - Dispositif a percussion - Google Patents

Dispositif a percussion Download PDF

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Publication number
EP0377754A1
EP0377754A1 EP19890907380 EP89907380A EP0377754A1 EP 0377754 A1 EP0377754 A1 EP 0377754A1 EP 19890907380 EP19890907380 EP 19890907380 EP 89907380 A EP89907380 A EP 89907380A EP 0377754 A1 EP0377754 A1 EP 0377754A1
Authority
EP
European Patent Office
Prior art keywords
firing pin
housing
bearing surface
additional
main bearing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP19890907380
Other languages
German (de)
English (en)
Inventor
Alexandr Leonidovich Osokin
Evgeny Mikhailovich Timoshenko
Anatoly Arkadievich Periev
Vladimir Mikhailovich Borisov
Ivan Fomich Kulikov
Mark Robertovich Lisnyansky
Ivan Vasilievich Andreev
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Institut Gornogo dela Sibirskogo Otdelenia Akademii Nauk SSSR
Original Assignee
Institut Gornogo dela Sibirskogo Otdelenia Akademii Nauk SSSR
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Institut Gornogo dela Sibirskogo Otdelenia Akademii Nauk SSSR filed Critical Institut Gornogo dela Sibirskogo Otdelenia Akademii Nauk SSSR
Publication of EP0377754A1 publication Critical patent/EP0377754A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D11/00—Portable percussive tools with electromotor or other motor drive
    • B25D11/06—Means for driving the impulse member
    • B25D11/064—Means for driving the impulse member using an electromagnetic drive

Definitions

  • the invention relates to striking tools, in particular to a striking device.
  • the invention can be used to generate impact effects on a material to be processed and can be used in construction and assembly work as well as in mining and mechanical engineering.
  • the operation of the facility is as follows. Voltage pulses are periodically given to the electromagnet, as a result of which the firing pin, part of which belongs to the magnetic circuit of the electromagnet, oscillates and acts on the material to be machined via the working tool.
  • a striking device (US, A, 3 177 386), comprising a housing having a main bearing surface and - arranged in alignment therein - a firing pin having another main bearing surface, a firing pin drive designed as a single-coil electromagnet, a biased and mounted between the main bearing surfaces of the housing and of the firing pin lying elastic device for maintaining the swinging movements of the firing pin.
  • a disadvantage of the known devices is a low efficiency, insofar as the natural frequency of the swinging movement of the firing pin does not match that Pulse repetition frequency of the electromagnetic force matches, which inevitably changes the firing pin tool rebound factor.
  • the invention has for its object to provide a striking device, the structure of which would make it possible to reduce the influence of changes in the firing pin tool impact factor on the functional stability of the device by flattening the amplitude-frequency characteristic.
  • a striking device comprising a housing having a main bearing surface and arranged in alignment therein, a firing pin having a different main bearing surface, a periodically acting firing pin drive, a pretensioned and located between the main bearing surfaces of the housing and the firing pin
  • Elastic device for maintaining the swinging movements of the firing pin and a working tool additional support surfaces are formed in the housing and on the firing pin opposite the main support surfaces and the elastic device consists of an elastic element, one end of which has the possibility of interacting with the additional support surface of the Housing and the main contact surface of the firing pin and its other end with the possibility of interacting with the additional contact surface of the firing pin and the Ha up support surface of the housing is arranged.
  • the design of the striking device as described above has the result that the influence of the change in the firing pin rebound factor on the functional stability of the device is reduced by flattening the amplitude-frequency characteristic.
  • a striking device comprising a housing having a main bearing surface and - arranged in alignment therein - a firing pin having another main bearing surface, a periodically acting firing pin drive, an elastic device mounted under tension and located between the main bearing surfaces of the housing and the firing pin, for maintaining the swinging movements of the firing pin and a working tool
  • the elastic device consists of two elastic elements, for each of which the main bearing surfaces are formed on the housing and on the firing pin, additional supporting surfaces being formed on each of them such that each elastic element has one end engages one of the main bearing surfaces and the other end of the element with the possibility for interaction with one of the Hauptauf la g ef lächen and one of said additional bearing surfaces is disposed.
  • the elastic elements are arranged coaxially relative to one another in the device and that the additional bearing surfaces are formed on the housing, each elastic element engaging with one end on the main bearing surface of the housing and the other end of the element with the possibility is arranged to interact with one of the additional bearing surfaces of the housing and the main bearing surface of the firing pin.
  • the elastic elements in the device are arranged coaxially relative to one another and that the additional contact surfaces are formed on the firing pin, each elastic element engaging with one end on the main contact surface of the firing pin and the other end of the element with the possibility is arranged to interact with one of the additional bearing surfaces of the housing.
  • the elastic elements are arranged coaxially relative to one another during the installation and that an additional bearing surface is formed on the housing and the other additional bearing surface is formed on the firing pin, the one elastic element engaging with one end on the main bearing surface of the housing and that the other end of the element with the possibility of interacting with the additional bearing surface of the housing and the main bearing surface of the firing pin is arranged, while the other elastic element engages with one end on the main bearing surface of the firing pin and the other end of the element with the possibility of interacting with the main bearing surface of the housing and the additional bearing surface of the firing pin is arranged.
  • the elastic elements are aligned with the device and that the additional bearing surfaces are formed on the housing, each elastic element engaging with one end on the main bearing surface of the housing and the other element with the possibility of interacting with one of the additional bearing surfaces of the housing and the main bearing surface of the firing pin is arranged.
  • the elastic elements are arranged in alignment with the device and that the additional contact surfaces are formed on the firing pin, each elastic element engaging with one end on the main contact surface of the firing pin and the other end of the element with the possibility of interaction is arranged with one of the additional contact surfaces of the firing pin and the main contact surface of the housing.
  • the elastic elements are arranged in alignment with the device and that one of the additional contact surfaces on the housing and the Another additional contact surface is formed on the firing pin, wherein the one elastic element engages with one end on the main bearing surface of the housing and the other end of the element with the possibility of interacting with the additional bearing surface of the housing and the main bearing surface of the firing pin is arranged while that another elastic element engages with one end on the main bearing surface of the firing pin and the other end of the element is arranged with the possibility of interaction with the main bearing surface of the housing and the additional bearing surface of the firing pin.
  • the formation of the striking device with an elastic device allows, in addition to the reduced influence of the change in the firing pin tool impact factor on the functional stability of the device, to create more favorable working conditions for the elastic device, thereby increasing the reliability of the striking device.
  • the formation of the device with a coaxial arrangement of the elastic elements allows the working tool to be designed with a cross-section that approximates the cross-section of the firing pin, whereby the transmission of the impact pulse from the firing pin to the material to be processed is improved via the working tool and thus the work performance of the striking device is increased.
  • the design of the striking device with two elastic elements arranged in alignment makes it possible to reduce tilting of the firing pin in the electromagnet, which is caused by non-uniform pressing of the main contact surface of the firing pin by the elastic elements, as a result of which the frictional force during the movement of the firing pin is reduced and, consequently, the Efficiency is increased.
  • the striking device contains a housing 1 (FIG. 1) and a firing pin 2 with a shaft, a working tool 4 and a drive of the firing pin 2, which are arranged in alignment in the housing.
  • any known periodic drive can be used as the drive for the firing pin 2 of the striking device.
  • the drive of S is 2 of a chlagbolzens Einspulenelektromagnet. 5
  • a main bearing surface 6 is formed in the housing 1 and another main bearing surface 7 is formed on the shaft 3 of the firing pin 2, between which an elastic device 8 for maintaining the oscillating movement of the firing pin 2 is arranged, which consists of an elastic element 9 mounted under pretension.
  • an elastic element 9 a cylindrical coil spring can be used as in the present invention the; a shaped profile spring or an elastic compressed air element can also be used.
  • the arrangement of the elastic element 9 with the possibility of interaction with the bearing surfaces 6, 7, 10, 11 can possibly be carried out with the formation of a gap between the elastic element 9 and one of these surfaces.
  • 2 shows an embodiment of the device in which the elastic element 9 is mounted to form a play 14.
  • the gap 14 is formed by such a design of the shaft 3 of the firing pin 2 that the main bearing surface 7 formed on the shaft 3 of the firing pin 2 protrudes beyond the additional bearing surface 10 of the housing 1, as a result of which the elastic element 9 has one end on the additional bearing surface 11 of the firing pin 2 and the disk 13 engages on the main bearing surface 6 of the housing 1, while the other end thereof is only in operative connection with the main bearing surface 7 of the firing pin 2 via the disk 12, with the disk 12 and the additional bearing surface 10 of the Housing 1 forms a gap 14 which is the same as the amount of displacement of the main bearing surface 7 of the firing pin 2 relative to the additional bearing surface 10 of the housing 1.
  • the elastic device 8 consists of two elastic elements 15, 16, which are mounted under tension and in each of which the main bearing surface 6,7 each on the Ge Housing 1 and formed on firing pin 2 and are common to all embodiments of the device, wherein on one of the parts - housing 1 and firing pin 2 - or, are formed on the two additional contact surfaces.
  • each elastic element 15 or 16 engages with one end on one of the main bearing surfaces 6 or 7 and that the other end with the possibility of interaction with the main bearing surface 6 or 7 and one of the additional bearing surfaces 10, 17 on the housing 1 and 11, 18 on the firing pin 2 is arranged.
  • the arrangement of the elastic elements 15 and 16 with the possibility of interaction with the above-mentioned main and additional bearing surfaces can possibly take place with the formation of a gap between these and the elastic elements 15 and (or) 16.
  • the gap is formed by a design of the housing 1 or firing pin 2 such that the mentioned main and additional bearing surfaces of the housing 1 and firing pin 2, which are intended to be operatively connected to one of the ends of the elastic elements 15 and (or) 16, are offset from each other.
  • the size of the gap is equal to the size of the displacement of the mentioned contact surfaces.
  • the elastic device 8 (FIG. 3) consists of two coaxially arranged elastic elements 16, 15.
  • the elastic element 15 engages with one end on the main bearing surface 6 on the housing 1 and the other end is arranged with the possibility of interaction via a disk 19 with the main bearing surface 7 on the firing pin 2 and the additional bearing surface 10 on the housing 1.
  • the other elastic Element 16 engages with one end on the main bearing surface 6 of the housing 1 and the other end is arranged with the possibility of interaction via a disk 20 with the additional bearing surface 17 on the housing 1 and the main bearing surface 7 on the firing pin 2.
  • the elastic element 15 is arranged on the shaft 3 of the firing pin 2 in a space formed in the housing 1 and the elastic element 16 is arranged in another space of the housing 1 on an extension 21 of the housing on which the additional bearing surface 17 is formed.
  • the elastic device 8 also consists of two coaxially arranged elastic elements 15, 16 and the elastic element 15 engages with one end of the main bearing surface 7 on the impact bilge 2, while the other end with the additional contact surface 11 on the firing pin 2 and the main contact surface 6 on the housing 1 is operatively connected via a disk 19.
  • the other elastic element 16 engages with one end on the main bearing surface 7 on the firing pin 2 and its other end is arranged with the possibility of interacting with the additional bearing surface 18 on the firing pin 2 and the main bearing surface 6 of the housing 1 via a disk 20.
  • the elastic element 15 is arranged on the shaft 3 of the firing pin 2 between the main contact surface 7 and the additional contact surface 11 formed on the firing pin 2, and the elastic element 16 is accommodated in a space which is in the shaft 3 of the firing pin 2 between the main contact surface 7 and the additional bearing surface 18 is formed, which is carried out on the firing pin 2 in the space of the shaft 3.
  • the elastic device 8 consists of two coaxially arranged elastic elements 15, 16 and the elastic element 15 engages with one end on the main bearing surface 6 of the housing 1 and its other end is arranged with the possibility of interaction with the additional bearing surface 10 formed in the housing 1 and the main bearing surface 7 of the firing pin 2 via a disk 19 .
  • the other elastic element 16 engages with one end on the main contact surface 7 of the firing pin 2 and its other end is arranged with the possibility of interaction with the additional contact surface 11 formed on the firing pin 2 and the main contact surface 6 of the housing 1.
  • the elastic elements 15, 16 are arranged in the device as in the embodiment described above.
  • the elastic device 8 consists of two elastic elements 15, 16 which are arranged in alignment.
  • the additional contact surfaces 10 and 17 are formed on the housing 1.
  • the elastic element 15 is accommodated in a space of the housing 1 between the main support surface 6 and the additional support surface 10 and the elastic element 16 is accommodated in a space of the housing 1 between the main support surface 6 and the additional support surface 17.
  • the elastic element 15 engages with one end on the main bearing surface 6 of the housing 1 and its other end is arranged with the possibility of interaction with the additional bearing surface 10 of the housing 1 and the main bearing surface 7 of the firing pin 2 via a disk 19.
  • the elastic element 16 engages with one end on the bearing surface 6 of the housing 1 and its other end is arranged with the possibility of interaction with the additional bearing surface 17 of the housing 1 and the main bearing surface 7 of the firing pin 2 via a disk 20.
  • the elastic device 8 also consists of two elastic elements 15, 16 which are arranged in alignment.
  • the elastic element 15 is accommodated in one space of the housing 1 on the shaft 3 of the firing pin 2 and the elastic element 16 is accommodated on a shaft 22 in another space of the housing 1.
  • the additional contact surfaces 11 and 18 are formed on the firing pin 2.
  • the elastic element 15 engages with one end on the main contact surface 7 of the firing pin 2 and its other end is arranged with the possibility of interaction with the additional contact surface 11 of the firing pin 2 and the main contact surface 6 of the housing 1 via a disk 19.
  • the elastic element 16 engages with one end on the main contact surface 7 of the firing pin 2 and its other end is arranged with the possibility of interacting with the additional contact surface 18 of the firing pin 2 and the main contact surface 6 of the housing 1 via a disk 20.
  • the additional contact surface 10 is formed on the housing 1 and the additional contact surface 11 is formed on the firing pin 2.
  • the elastic element 15 is accommodated in one space of the housing 1 and the elastic element 16 is accommodated on the shaft 3 of the firing pin 2 in another space of the housing 1.
  • the elastic element 15 engages with one end on the main bearing surface 6 of the housing 1 and its other end is arranged with the possibility of interaction with the additional bearing surface 10 of the housing 1 and the main bearing surface 7 of the firing pin 2 via a disk 19.
  • the elastic element 16 engages with one end on the main bearing surface 7 of the firing pin 2 and its other end is able to interact with the additional bearing surface 11 of the firing pin 2 and the main bearing surface 6 of the housing 1 via a disc 20.
  • the elastic element 15 engages with one end on the main bearing surface 6 of the housing 1 and its other end is able to interact with the additional bearing surface 10 of the housing and the main bearing surface 7 of the firing pin 2 via a disk 19.
  • the elastic element 16 engages with one end on the main contact surface 7 of the firing pin 2 and its other end is arranged with the possibility of interacting with the additional contact surface 11 of the firing pin 2.
  • the same end of the elastic element 16 is arranged to form a gap relative to the main bearing surface 6 of the housing 1 with the possibility of interacting with it via a disk 20.
  • the impact device works as follows.
  • a voltage pulse is applied to the electromagnet 5 (FIG. 1), and the firing pin 2 moves under the action of the electromagnetic force toward the working tool 4 (entrance) and compresses the elastic element 9.
  • the firing pin 2 moves from the Häwerzeug 4 off (decrease) under the action of the expanding force of the elastic member 9 with first acceleration.
  • the elastic element is supported to the left of the equilibrium position 9 with one end on the main bearing surface 6 of the housing 1 from the disk 13 and engages with the other end on the main bearing surface 7 of the firing pin 2 via the disk 12. At this moment there is no operative connection between the elastic element 9 and the additional contact surfaces 10, 11 of the housing 1 and the firing pin 2.
  • the firing pin 2 After passing the equilibrium position, the firing pin 2 moves under the action of the compressing elastic element 9 to a standstill with a delay. Then the firing pin 2 begins to move towards the working tool 4 under the action of the relaxing elastic element 9 with acceleration. On arrival, a voltage pulse is given to the single-coil electromagnet 5 each time and an electromagnetic force acts on the firing pin 2, which increases the speed of the latter.
  • the elastic element 9 On these return and entrance routes, which lie to the right of the equilibrium position, the elastic element 9 is supported with the one end on the additional bearing surface 10 of the housing 1 via the disk 12 and engages with the other end on the additional bearing surface 11 of the firing pin 2 on the disc 13. There is no operative connection of the elastic element 9 with the main bearing surfaces 6, 7 of the housing 1 and the firing pin 2. Furthermore, the game is repeated again.
  • the device thus makes it possible to reduce the dependency of the efficiency and the impact energy on the conditions under which the interaction of the working tool 4 with the material to be processed takes place (precisely these conditions determine the impact factor of the firing pin 2 on the working tool 4), and thus the To increase mean value of efficiency and facility performance.
  • FIG. 2 The operation of the striking device according to the other embodiment (FIG. 2) is similar to the work of the device shown in FIG. 1.
  • a peculiarity of the operation of the device shown in Fig. 2 is that the firing pin 2 on the back and forth routes, which are at the equilibrium position and the size of the gap 14, does not experience any force on the part of the elastic element 9, since the elastic element 9 at this time is in the space of the shaft 3 of the firing pin 2 and moves together with it, one end of the elastic element 9 on the main bearing surface 7 of the firing pin 2 over the disk 12 and the other end on the additional Support surface 11 of the firing pin 2 is supported on the disc 13.
  • the presence of the gap 14 gives the device further positive properties, namely increases the stroke of the firing pin 2, which increases the impact energy and thus the performance of the striking device.
  • the impact device works as follows.
  • a voltage pulse is applied to the electromagnet 5
  • the firing pin 2 moves towards the working tool 4 and compresses the elastic element 15 (hinge).
  • the firing pin 2 moves with acceleration under the action of the relaxing elastic element 15 (decrease).
  • the elastic element 15 is supported with one end on the main bearing surface 6 of the housing 1 and engages with the other end on the main bearing surface 7 of the firing pin 2 over the disk 19 on.
  • the other elastic element 16 does not move and is supported on the one side on the main bearing surface 6 and on the other side on the additional bearing surface 17 via the disk 20.
  • the disk 19 which is operatively connected to the elastic element 15 is supported on the additional contact surface 10 of the housing 1.
  • the firing pin 2 continues its outward movement with a delay by compressing the elastic element 16 via the disk 20. Then the firing pin 2 comes to a standstill, whereby the decline is completed.
  • the firing pin 2 begins to accelerate under the action of the relaxing elastic element 16.
  • the elastic element 16 On these return and entrance routes, which are to the right of the equilibrium position, the elastic element 16 is supported at one end on the main bearing surface 6 of the housing 1 and engages with the other end on the main bearing surface 7 of the firing pin 2 via the disk 20.
  • the elastic element 15 is immovable and is supported with one end on the main bearing surface 6 and the other on the additional bearing surface 10 of the housing 1 via the disk 19.
  • the firing pin 2 is now braked by the elastic element 15 via the disk 19, while the elastic element 16 no longer has any effect on the firing pin 2 because the disk 20, via which the elastic element 16 is on Firing pin 2 attack, on the additional bearing surface 17 of the housing 1 has stopped.
  • the next voltage pulse is given to the electromagnet 5, which increases the speed of the firing pin 2. Furthermore, the game is repeated again.
  • the impact device works as follows.
  • a voltage pulse is applied to the electromagnet 5
  • the firing pin 2 moves towards the working tool 4 and compresses the elastic element 15.
  • the firing pin 2 moves with acceleration under the action of the relaxing elastic element 15 (decrease) until the equilibrium position shown in the figures is reached.
  • the elastic element 15 is supported with one end on the main bearing surface 6 of the housing 1 via the disk 19 and engages with the other end on the main bearing surface 7 of the firing pin 2 at.
  • the elastic element 16 is located in the space of the shaft 3 of the firing pin 2 and moves with it Firing pin together, with one end of the elastic element 16 being supported on the main bearing surface 7 and the other end on the additional bearing surface 18 of the firing pin 2 via the disk 20. Furthermore, the firing pin 2 moves under the action of the compressing elastic element 16 with a delay to a standstill, while the elastic element 15 no longer exerts a force on the firing pin 2 by moving together with the firing pin 2.
  • the firing pin 2 starts the working stroke and moves with acceleration under the action of the relaxing elastic element 16.
  • the elastic element 16 is supported with one end the main bearing surface 6 of the housing 1 from the disc 20 and engages with the other end on the main bearing surface 7 of the firing pin 2.
  • the elastic element 15 is located in the space of the shaft 3 of the firing pin 2 and moves with the firing pin 2, one end of the elastic element 15 being on the main bearing surface 7 and the other on the additional bearing surface 11 of the firing pin 2 via the Disk 19 is supported.
  • the firing pin 2 After passing the equilibrium position, the firing pin 2 is now braked by the compressing elastic element 15, while the elastic element 16 no longer has any effect on the firing pin because the disc 20, via which the elastic element 16 acted on the firing pin 2, by the Main bearing surface 6 of the housing 1 is detached.
  • the next voltage pulse is given to the electromagnet 5, whereby the speed of the firing pin 2 increases. Furthermore, the game repeats itself again.
  • the impact device according to the following execution shape (Fig. 5, 8, 9) works as follows.
  • the firing pin 2 moves towards the working tool 4 and presses the elastic element 15 together via the disk 19 (impact). After the impact on the end face of the working tool 4, the firing pin 2 moves with acceleration under the action of the relaxing elastic element 15 (decline) to the equilibrium position shown in the figures.
  • the elastic element 15 is supported at one end on the main bearing surface 6 of the housing 1 and engages with the other end on the main bearing surface 7 of the firing pin 2 via the disk 19 at.
  • the elastic element 16 is in the space of the shaft 3 of the firing pin 2 and moves with the firing pin 2, one end of the elastic element 16 being on the main bearing surface 7 of the firing pin 2 and the other end on the additional bearing surface 11 of the firing pin 2 is supported via the disk 20.
  • the firing pin 2 moves with a delay under the action of the compressing elastic element 16 until it comes to a standstill, while the elastic element 15 no longer exerts any force on the firing pin 2, since the disk 19 remains on the additional contact surface 10 of the housing 1. After the standstill, the firing pin 2 begins to work and moves with acceleration under the action of the relaxing elastic element 16.
  • the elastic element 16 On these return and entrance routes, which are to the right of the equilibrium position, the elastic element 16 is supported with one end on the main bearing surface 6 of the housing 1 via the disk 20 and engages the other end to the main bearing surface 7 of the firing pin 2.
  • the elastic element 15 is immovable and is supported at one end on the main bearing surface 6 of the housing 1 and at the other end on the additional bearing surface 10 of the housing 1 via the disk 19.
  • the firing pin After passing the equilibrium position, the firing pin is now braked by the compressing elastic element 15, while the elastic element 16 no longer has any effect on the firing pin 2, since the disc 20, via which the elastic element 16 acted on the firing pin 2, by the Main bearing surface 6 of the housing 1 is detached.
  • the next voltage pulse is given to the electromagnet 5, whereby the speed of the firing pin 2 is increased. Furthermore, the game is repeated again.
  • a special feature of the mode of operation of the embodiment of the device shown in FIG. 9 is that the striking pin 2 does not exert any force on the elastic elements 15 and 16 on the back and forth sections which are at the equilibrium position and the size of the gap 23 experiences.
  • the mode of operation of the devices shown in FIGS. 3 to 9 is characterized by the following special features.
  • the rebound speed of the firing pin 2 on the working tool 4 depends on the conditions which change during the work and under which the working tool 4 interacts with the material to be processed.
  • the rebound speed of the firing pin 2 on the working tool 4 is increased (reduced)
  • the proportion of the time in which the firing pin 2 moves from the working tool 4 to the equilibrium position decreases (increases).
  • the rest of the fall time portion of the firing pin 2, in which the firing pin 2 of the equilibrium position is moved to a standstill and the elastic element 16 compresses increases (decreases).
  • the increase (decrease) in the time in which the said decline section is traversed is caused by the arrangement of the elastic element 16 under pretension between the respective additional contact surfaces and main contact surfaces.
  • the next pulse of electromagnetic force on the firing pin 2 will only act synchronously with the movement of the firing pin 2 when it is received.
  • the invention can be used to generate impact effects on a material to be processed and can be used in construction and assembly work as well as in mining and mechanical engineering.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Junction Field-Effect Transistors (AREA)

Abstract

Un dispositif à percussion comprenant une structure (1) dotée d'une surface principale (6) de support et, monté coaxialement sur celle-ci, un percuteur (2) doté d'une autre surface (7) principale de support, un mécanisme moteur pour le percuteur (2), un élément élastique (9) ainsi qu'un instrument de travail (4). La structure (1) et le percuteur (2) comportent des surfaces (10, 11) de support supplémentaires situées à l'opposé des surfaces (6, 7) principales de support. L'élément élastique (9) est monté de manière à pouvoir interagir par l'intermédiaire d'une de ses extrémités avec la surface (10) de support supplémentaire de la structure (1) et avec la surface (11) principale de support du percuteur (2), son autre extrémité étant montée de manière à pouvoir interagir avec la surface (11) de support supplémentaire dudit percuteur (2) et avec la surface (10) principale de support de la structure (1).
EP19890907380 1988-06-08 1989-04-21 Dispositif a percussion Withdrawn EP0377754A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SU4430856 1988-06-08
SU4430856 1988-06-08

Publications (1)

Publication Number Publication Date
EP0377754A1 true EP0377754A1 (fr) 1990-07-18

Family

ID=21377315

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890907380 Withdrawn EP0377754A1 (fr) 1988-06-08 1989-04-21 Dispositif a percussion

Country Status (3)

Country Link
EP (1) EP0377754A1 (fr)
HU (1) HUT53002A (fr)
WO (1) WO1989011954A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4829896A (en) * 1987-05-18 1989-05-16 W. R. Grace & Co. Apparatus for attaching a printing blanket to a printing cylinder
EP1896222A1 (fr) * 2005-06-29 2008-03-12 Wacker Construction Equipment AG Mecanisme de percussion a entrainement lineaire electrodynamique
CN110253502A (zh) * 2019-06-19 2019-09-20 深圳市律远汇智科技有限公司 一种缓冲效果好的精确度高的建筑施工设备

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1723607A (en) * 1929-08-06 Electric hammer and similar tool
US1432362A (en) * 1921-01-04 1922-10-17 Sigond Marguerite Electromagnetic power anvil block for riveting
NL128154C (fr) * 1961-11-14
SU1127762A1 (ru) * 1983-04-08 1984-12-07 Институт Горного Дела Со Ан Ссср Электромагнитный молоток

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO8911954A1 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4829896A (en) * 1987-05-18 1989-05-16 W. R. Grace & Co. Apparatus for attaching a printing blanket to a printing cylinder
EP1896222A1 (fr) * 2005-06-29 2008-03-12 Wacker Construction Equipment AG Mecanisme de percussion a entrainement lineaire electrodynamique
CN110253502A (zh) * 2019-06-19 2019-09-20 深圳市律远汇智科技有限公司 一种缓冲效果好的精确度高的建筑施工设备
CN110253502B (zh) * 2019-06-19 2020-12-18 中国黄金集团建设有限公司 一种缓冲效果好的精确度高的建筑施工设备

Also Published As

Publication number Publication date
HU894002D0 (en) 1990-07-28
HUT53002A (en) 1990-09-28
WO1989011954A1 (fr) 1989-12-14

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