Pneumatic percussion device with throttling air distribution

FIELD: percussion mining and construction machines, particularly methods or devices for dislodging with or without loading.

SUBSTANCE: device comprises supply-line air chamber, switching device, which initiates compressed air delivery to supply-line air chamber, hollow cylinder, striker, which divides cylinder interior into idle and working stroke chambers and accumulation chamber permanently communicated with working stroke chamber thorough bypass channel. Device also has lid installed at cylinder end from working stroke chamber side and permanently opened inlet throttle channel communicated with idle stroke chamber. Device comprises discharge channel made in cylinder wall and working tool with stem, as well as cup with bottom facing the lid and provided with annular rim supported by rim made in the lid to create supply-line air chamber. Blind augmenter is located in cylinder wall from idle stroke chamber side. The augmenter is permanently communicated with supply-line air chamber by means throttle channel made in lid, annular groove and longitudinal channel of the cylinder. The augmenter periodically communicates with idle stroke chamber by means of radial augment channel made in cylinder. Striker has annular groove and is provided with starting throttle channel. Distance between distributing augment channel edge section and discharge channel is less than striker travel.

EFFECT: increased impact force to be applied to substance to be worked.

6 cl, 5 dwg

 

The invention relates to the field of construction and mining machines impact and can be used to create manual pneumatic hammers for engineering and heavy hammer to fracture rock and frozen ground.

Known pneumatic hammer (see, for example, as the USSR №787632, M CL ES 3/24, 1980), contains a working tool, the drummer with the channel opened by the camera of the stroke, channels, inlet and outlet with an annular recess chamber in the cylinder and chamber idling on the side of the working tool, indicated by a channel in the cylinder, and an annular undercut-Luggage canal-side release communicated constantly with a network of compressed air and is covered by the drummer periodically.

Specified and similar technical solutions have shortcomings: the ring groove-Luggage and Luggage idling communicated constantly among themselves, that causes considerable pressure chamber idling and inhibits the drummer, reducing its initial speed, therefore, the kinetic energy of the striker, the transmitted instrument; channel drummer, through radial exit on the lateral surface before impact perepuskat part of the air with considerable pressure from the camera work in the annular recess chamber and through the AC is Ala in the cylinder, the camera is idle, which also contributes to increased back pressure in the chamber is idle before the collision of the impactor tool; a channel in the drummer after the collision due to the radial exit perepuskat part of the air from the annular undercut camera, and hence the camera idling in the chamber of the stroke with a lower air pressure in it, which significantly reduces the pressure pulse from the camera idle and does not provide a count value of idling, increases the time of idling, reduce the frequency and impact energy.

Also known pneumatic hammer with butterfly distribution (see, for example, as the USSR №1285147, M CL ES 3/24, B25D 9/00, 1987), containing the handle, the working tool shank, a hollow cylinder with inlet and outlet channels, the cover between the cylinder and the handle, the drummer, dividing the cylinder chamber of the working and idle strokes, the accumulation chamber into the hollow cylindrical element with a blind lid and bottom with a by-pass channel, flowing the camera network air throttle channels of the inlet in the cover into the camera working and idle strokes. The specified pneumatic hammer with throttle distribution adopted as a prototype as containing the greatest number of significant characteristics used before agema technical solution.

The prototype has drawbacks: message camera network air chamber idling through the through longitudinal channel inlet in the cylinder determines the filling chamber idling air to a value of the calculated pressure from the chamber network of air, however, the consistency of intake creates significant pressure and braking drummer before impact, resulting in a loss of kinetic energy of the striker, and in the beginning of the idle speed after the collision and increase the volume of the chamber idling the pressure pulse of air from the chamber idling is insufficient to ensure the calculated stroke of the striker, resulting in increased time idling and reduced the frequency of strikes with significant poor air flow from network; message camera network air chamber stroke with the additional volume of the hollow element through the bypass channel in the bottom, increases the accumulation volume which must be filled with air to a value of the calculated pressure from the network via the network camera air, however, this leads to premature deceleration of the striker at the end of the idling by creating significant back pressure in the chamber of the stroke, which leads to exceeding the calculated value of the pulse strength of the Department is Chi, acting on the cover and causing significant exceeding of permissible values of the amplitude of the forces acting on the cover and the handle, resulting in poor sanitary and hygienic conditions for manual machines, reduces the reliability and durability of parts and overall design of a pneumatic percussion; increased volume of the chamber stroke with additional accumulation volume of the hollow element with reduced air pressure in the chamber at the beginning of the stroke, does not provide the magnitude of the impulse for the implementation of the calculated average pressure along the path of the striker and reduces its kinetic energy and frequency of the blows.

Noted disadvantages of the prototype in General reduce the effectiveness of interaction with the processing medium.

The technical problem solved by the invention is the improvement effect of impact on the treated environment by reducing the volume of the actual camera of the stroke and increase the amount of the actual camera idling; fixing for end-to-end channel connecting the camera constantly network of air and the camera idling function channel run; run from the camera idling of the camera as a still camera the fast and the furious, telling her with a camera network air throttle channel inlet and periodically scameras idling through the channel of the afterburner; run from the front of the stroke of the annular chamber with the accumulation volume, telling her with a camera of the stroke is constantly a bypass channel in the cylinder wall.

You need some plot movement of the striker to block the channel of fast and furious, telling the camera idling and the camera afterburner when working stroke, and to open the message at idle. Marked will not create significant back pressure of air in the chamber when idling stroke, and consequently, to increase the speed of the collision. During acceleration of the striker in the initial period of idling air pressure in the chamber due to receive it from the network camera and a partial receipt of the enclosed chamber of the afterburner will decrease slightly, and when opening the channel of the afterburner chamber pressure at idle will increase, and the drummer, having received additional boost pressure will increase the speed of its movement in the direction of the cover. Marked will reduce the movement of the striker at idle and increase the frequency of the blows.

Thus, to achieve the effect you want to change the coordinate of the channel of the afterburner and the camera afterburner to constantly communicate with a network of compressed air through the camera network air with the camera idling through the channel running on the drummer.

The task of meeting the tsya fact, the pneumatic percussion device with throttle distribution includes camera network control, a device enabling the compressed air network of air, a hollow cylinder, placed in it the drummer, dividing the cylinder chamber on the camera idle and working strokes, the accumulation chamber, communicated constantly overflow channel with camera stroke, mounted on the end face of the cylinder side chamber stroke the cover and constantly open throttle channel inlet into the chamber of the stroke, the exhaust passage in the side wall of the cylinder and the working tool shank, whereby the device is provided with a glass annular flange and situated on the side of the camera idle still camera afterburner reported accordingly constantly with camera network of air through the throttle channel in the lid, an annular groove and a longitudinal channel in the cylinder, and periodically with the camera idling through the radial channel of the afterburner in the cylinder, while the drummer performed with the annular groove and has a throttle channel launch, the distance from the cut-off edge of the slice channel of the afterburner to the exhaust channel is made smaller length of the striker, and the glass turned his head to the lid and rests an annular flange on the cap flange with the education network camera.

It is advisable throttle channel start to perform end-to-end view of a bent channel drummer.

It is advisable throttle channel of the start in the form of through an inclined channel drummer.

It is advisable throttle channel of the start in the form of a through channel in the flange of the firing pin.

It is advisable throttle channel of the start in the form of a longitudinal groove on the shoulder of the striker.

It is advisable throttle channel start as the flats on the shoulder of the striker.

Figure 1 shows a pneumatic percussion with a partial longitudinal section with stagnant camera afterburner from the camera idling; figure 2, 3, 4 and 5 show variants of the channel launch, and drums.

Pneumatic percussion with butterfly distribution (figure 1) contains a hollow cylinder 1 holds drummer 2 with the annular groove 3, which separates the cavity of the cylinder 1 to camera 4 working and idle for 5 turns, the accumulation chamber 6 provided constantly the bypass channel 7 camera of the stroke. Cover 8 provided with a flanged collar 9 and the sealing flange 10, by means of which it rests on the end face 11 of the cylinder 1 and the glass 12, which is provided with an annular shoulder 13 facing the flange 10. The cover 8 is also provided with an inlet throttle is channel 14 into the chamber 4 and the throttle channel 15 with the transition to the annular groove 16 in the cylinder with a continuation of the longitudinal channel 17 in the annular enclosed chamber of the afterburner 18, formed by the camera 5 idling lateral surfaces of the cylinder and clutch 19. The Cup 12 uplatnena and Rethimno, for example, by threaded connection, attached to the cylinder 1 and is equipped with vozduhopotok channel 20 from the starting device 21 of any known type. Between the Cup 12 and the flange 10 of the cover 8 is formed by the camera network air 22. An annular enclosed chamber of the afterburner 18 periodically reported through radial channels 23 with afterburner chamber 5 and a radial outlet channel 24, which is installed vozduhoobmenu ring 25 with the exhaust slot channel 26. Between vozduhoobmenu ring 25 and the cylinder 1 is formed a discharge chamber 27. The shank 28 of the working tool 29 is installed in the chamber 5 and is held from falling out by a device for holding, for example, in the form of rubber-metal cap 30 attached Rethimno relative to the cylinder 1 by means of screw or other known connections. Drummer 2 to launch a pneumatic device equipped with a continuous channel running in the form of a bent channel 31 (see figure 1)or through an inclined channel 32 (see figure 2), either through channel 33 in the flange (see figure 3), or longitudinal groove 34 on the flange (see figure 4), or the flats 35 on the flange (see figure 5).

Pneumatic percussion with others who selnum the distribution is as follows.

When enabled, the starting device 21, the compressed air flows through the channel 20 in the Cup 12 in the network camera network 22 of the air. From the chamber 22 network air enters the chamber 4 stroke on the throttle channel 14 and through the throttle channel 15, the groove 16 and channel 17 into the chamber of the afterburner 18. From the chamber 18 compressed air through an annular undercut 3 and end-to-end channel start in the form of a bent channel 31 (see figure 1) or through an inclined channel 32 (see figure 2), either through channel 33 in the flange (see figure 3), or longitudinal groove 34 on the flange (see figure 4), or the flats 35 on the flange (see figure 5) enters the chamber 5 idling.

Because the chamber 4 and the chamber 6 is communicated between themselves and the chamber 4 is communicated with the atmosphere through channel 24, the camera 27 and the channel 26 having a continuous cross-section, large in comparison with the cross section of the intake throttle channel 14 in the cover 8, the pressure in the chamber 4 is maintained at atmospheric. Camera 5 with the atmosphere divided and flowing the air from the chamber 18 through the annular undercut 3 and end-to-end channel start in the form of a bent channel 31 (see figure 1) or through an inclined channel 32 (see figure 2), either through channel 33 in the flange (see figure 3), or longitudinal groove 34 on the flange (see figure 4), or the flats 35 on the flange (see figure 5) determines the pressure increase in the movement of the striker 2 in the article is Ron chambers 4 and 6, which leads to the beginning of idling.

When the movement of the striker 2, the pressure in the chamber 5 idle will be slightly reduced. This is because the rapidly increasing volume of the chamber 5 at idle does not have time to fill network air coming from the chamber 22 through the throttle channel 7 startup.

Upon further movement of the striker 2, the side surface of the open channel of the afterburner 23 and accumulated in the chamber 18, the air sharply fill volume of the chamber 5 and will substantially increase the pressure pulse of air at idle and the speed of movement of the striker.

Subsequent movement of the striker 2, the side surface will block the outlet channel 24. At the same time in the chamber 4 of the stroke and the chamber 6 will begin the process of compressing air, clipped them, and air network, again coming from the chamber 22 through the inlet throttle channel 14 in the cover 8.

After the opening of the lateral surface of the striker 2 with the outlet 24 of the pressure of the air in the chamber 4 of idling and communicated with her camera afterburner 18 will be reduced to the amount atmospheric as through the outlet port 24 of the chamber 4 and the chamber 18 through the channel of the afterburner 23 are communicated with the exhaust chamber 27 and through the slot 26 in vozduhoobmenu the ring 25 with the atmosphere. Under the influence of the difference in the pulse pressure of the air in the chambers 4 and 5, the drummer will slow down your movement and will stop at the clearing point. Immediately under the action of the pressure pulse of air from the chamber 4, the drummer will begin to rapidly move in the direction of the shank 28 of the working tool 29, making the stroke.

The pressure in the chambers 5 and 18 will remain almost equal to atmospheric, as the exhaust channels 24 and 26, and the channel of the afterburner 23, have a square passage sections, substantially greater than the area of the intake throttle channel 15, turning 16 and channel 17.

Subsequent movement of the striker 2 will block its lateral surface sequentially output port 24, which will begin increasing the air pressure is cut off in the chambers 5 and 18, as well as air, again natakamulu these cells through the annular groove 3 and the channel is run as a cranked through channel 31 (see figure 1)or through an inclined channel 32 (see figure 2), either through channel 33 in the flange (see figure 3), or longitudinal groove 34 on the flange (see figure 4), or the flats 35 on the flange (see figure 5) and through the throttle the channel 15, the groove 16, the inlet channel 17. After the opening of the outlet channel 24, the pressure in the chamber 4 of the stroke and the accumulation chamber 6 is reduced to the atmospheric pressure, despite the receipt of a network of air through the intake throttle channel 14 from the chamber 22, as the flow area of the exhaust channel 24 is substantially more flow brings the I intake throttle channel 14 in the cover 8. Thus, the exhaust air from the chambers 4 and 6 are produced through the channel 24 into the exhaust chamber 27 and through the slotted channel 26 in an air-to-bumper ring 25 into the atmosphere.

As committed by the drummer of the stroke the air pressure in the chamber 5 and is communicated to it through the channel of the afterburner chamber 23 18 will increase. Subsequent overlapping drummer 2 channel afterburner 23 air pressure in the chamber 18 will be intensively to rise to the level of the network, thanks to its continuous flow into the chamber through the inlet throttle channel 15, the groove 16, the channel 17 of the network camera 22. The increased air pressure in the chamber 18 has practically no effect on the increase in back pressure in the chamber 4, since the area of the orifice through channel launch in the form of a bent channel 31 (see figure 1)or through an inclined channel 32 (see figure 2), either through channel 33 in the flange (see figure 3), or longitudinal groove 34 on the flange (see figure 4), or the flats 35 on the flange (see figure 5) is substantially less than the cross-section area of the throttle channel 17. Under the action of the difference in pulse pressure in the chambers 4 and 5 drummer 2 strikes the shank 28 of the tool 29 and described the working process will be repeated with the difference that idling drummer will be formed with the participation of the momentum of the rebound of the striker from the shank of the tool.

In the execution of the intake throttle channel 15 in the cover 8 together with the groove 16 and channel 17 helps to ensure the rated air pressure in the enclosed chamber of the afterburner 18 at the blocked channel afterburner 23 drummer 2, and when the camera 5 with the atmosphere through channel 24, the air flow channel 15 will not exceed estimated. The above enabled without increasing the total air flow, through the implementation of boost at idle with the side of the chamber 5, in conjunction with the placement of the channel afterburner 23 in the wall of the cylinder 1 at a distance from the outlet port 24 is not more than the landing length of the striker 2 to reduce the pressure in the chamber 4 through the use of flow area channel run as a cranked through channel 31 (see figure 1) or through an inclined channel 32 (see figure 2), either through channel 33 in the flange (see figure 3), or longitudinal groove 34 on the flange (see figure 4), or the flats 35 on the flange (see figure 5), is significantly smaller in comparison with the channel 15, reduced by redirecting a portion of the air chamber of the afterburner 18 through the inlet throttle channel 15 in the cover 8. Reducing back pressure in the chamber 4 when using pulse afterburner will allow you to increase the stroke of the striker without increasing the cycle time, since the time of idling by increasing the speed of the striker 2 will decrease. Ultimately, this will increase the shock power, and consequently increasing the effectiveness of impact on the processed medium.

1. Pneumatic impact with the throttle in what sugarspicelivin, camera including a network of air, the device turn on the compressed air network of air, a hollow cylinder, placed in it the drummer, dividing the cylinder chamber on the camera idle and working strokes, the accumulation chamber, communicated constantly with channel bypass with camera stroke, mounted on the end face of the cylinder side chamber stroke the cover and constantly open throttle channel inlet into the chamber of the stroke, the exhaust passage in the side wall of the cylinder, the working tool shank, wherein the device is provided with a sleeve from the annular flange and situated on the side of the camera idling still camera afterburner reported accordingly constantly with camera network of air through the throttle channel in the lid, an annular groove and a longitudinal channel in the cylinder, and periodically with the camera idling through the radial channel of the afterburner in the cylinder, while the drummer performed with the annular groove and has a throttle channel launch, the distance from the cut-off edge of the slice channel of the afterburner to the exhaust channel is made smaller length of the striker, and the glass turned his head to the lid and rests an annular flange on the cap flange with the formation of the network camera.

2. Pneumatic percussion de who acts according to claim 1, characterized in that the throttle channel start made in the form of end-to-end crankshaft channel drummer.

3. Pneumatic percussion device according to claim 1, characterized in that the throttle channel start is made in the form of through an inclined channel drummer.

4. Pneumatic percussion device according to claim 1, characterized in that the throttle channel start is made in the form of a longitudinal channel in the flange of the firing pin.

5. Pneumatic percussion device according to claim 1, characterized in that the throttle channel start is made in the form of a longitudinal groove on the shoulder of the striker.

6. Pneumatic percussion device according to claim 1, characterized in that the throttle channel start is made in the form of flats on the shoulder of the striker.



 

Same patents:

FIELD: percussion mining and construction machines, particularly methods or devices for dislodging with or without loading.

SUBSTANCE: device comprises supply-line air chamber, switching device, which initiates compressed air delivery to supply-line air chamber, hollow cylinder, striker, which divides cylinder interior into idle and working stroke chambers and accumulation chamber permanently communicated with working stroke chamber thorough bypass channel. Device also has lid installed at cylinder end from working stroke chamber side and permanently opened inlet throttle channel communicated with idle stroke chamber and starting throttle channel permanently opened in idle stroke chamber and connecting supply-line air chamber with idle stroke chamber. Device comprises discharge channel made in cylinder wall and working tool with stem, as well as cup with rim and blind augmenter located in cylinder wall from idle stroke chamber side. The blind augmenter is permanently communicated with supply-line air chamber via throttle channel made in lid. The blind augmenter is periodically connected with idle stroke chamber through radial augment channel made in cylinder wall. Distance between distributing augment channel edge section and discharge channel is less than striker travel. Cup has bottom facing the lid and is provided with annular rim supported by rim made in the lid to create supply-line air chamber.

EFFECT: increased impact force to be applied to substance to be worked.

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EFFECT: simplified device structure along with reduced mass and size thereof, improved manufacturability and increased convenience of hydrowedge device usage.

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Pile driving hammer // 2294432

FIELD: percussion equipment for mining, construction and other industries.

SUBSTANCE: pile driving hammer comprises body and cylindrical striker slidably arranged in the body and connected to lower end of pulling tool. The striker has striker position sensors. Pile driving hammer also has compression chamber, anvil block, driving mechanism including drive with half-coupling connected to the drive, change speed gearbox, main gear, braking mechanism and control systems, which operates braking mechanism and pile driving hammer. Braking mechanism consists of braking hydraulic cylinder, inner and outer braking drums connected with each other by means of brake linings. Driving mechanism is provided with cardan shaft connected with gearbox and having differential gear and driving half-axles. Movably put on each driving half-axle is slidable hollow bush with inner braking drum arranged from the side of outer braking drum and with driving shaft having gear-wheels located from sides thereof. Gear wheel is put on central part of slidable hollow bush between bearing assemblies. The gear wheel is connected to drive shaft gear wheel having greater number of teeth. Vacuum chamber is located in lower body part under cylindrical striker. Pulling tool is of band type and fastened to central part of driving shaft. Slidable hollow bush with braking drum is connected to hammer and to driving motor or combustion engine control system through braking hydraulic system and flexible hydraulic hose. Driving mechanism body is provided with cantledge.

EFFECT: increased efficiency.

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FIELD: mining.

SUBSTANCE: device comprises flexible shell provided with face members and filled with the plastic material and metallic strips mounted on the outer surface of the shell. The strips overlap each other, and the ends of the strips are rigidly interconnected to define a tube. The bushings are fit on the both ends of the pipe and are provided with the inner thread. The connecting pipes with adapters for the connection with the hydraulic system are screwed in the bushings. The flexible tube passes through the plastic material and connecting pipes and is pressed to the faces of the connecting pipes by the adapters from both of the ends. The metallic strips that define the internal surface of the pipe are made so that their cross-section is shaped into a circle segment whose arc faces the axis of the device.

EFFECT: enhanced efficiency.

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FIELD: engineering of percussion devices meant for destroying, crushing and pressing rocks and other rock-like materials; possible use, for example, in mining industry as replaceable rigging on excavators, tractors and other similar machines.

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EFFECT: simplified operation of device and increased reliability of same.

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SUBSTANCE: method is special mainly because of division of main driving flow of oil pump of base machine on potential energy flows, which are fed simultaneously during resetting of implement for extraction of implement from the clamp and its movement, and which during beginning acceleration moment fully detach from main flow to provide for forced detachment of clamp from implement and forced movement of clamp after the implement. Values of potential energy flows strictly comply with requirements, determined by geometrical dimensions of drive and its units, parameters of operation mode of base machine pump, calculated energy of single strike. Device consists of shaft with upper and lower lids, hydraulic drive, including piston hydraulic motor with step-up gearings, clamp with step-up gearings and electro-hydraulic switches with non-contact control system, implement with hollow tail and energy accumulator, made in form of springs, carriage with supporting guide. Construction is mainly special because hydraulic motor is of one-sided effect and is mounted jointly relatively to shaft, shape of which is cylindrical and it is made moveable relatively to guide with supporting thorns, connected to handle by means of carriage, while anvil block of implement is rigidly connected to external ring having piston rings on ends, while springs of energy accumulator are mounted in the hollow between it and the tail of implement.

EFFECT: possible operative control over drive energy flow and increased energy of the implement during impact.

2 cl, 10 dwg

FIELD: percussion mining and construction machines, particularly methods or devices for dislodging with or without loading.

SUBSTANCE: device comprises supply-line air chamber, switching device, which initiates compressed air delivery to supply-line air chamber, hollow cylinder, striker, which divides cylinder interior into idle and working stroke chambers and accumulation chamber permanently communicated with working stroke chamber thorough bypass channel. Device also has lid installed at cylinder end from working stroke chamber side and permanently opened inlet throttle channel communicated with idle stroke chamber and starting throttle channel permanently opened in idle stroke chamber and connecting supply-line air chamber with idle stroke chamber. Device comprises discharge channel made in cylinder wall and working tool with stem, as well as cup with rim and blind augmenter located in cylinder wall from idle stroke chamber side. The blind augmenter is permanently communicated with supply-line air chamber via throttle channel made in lid. The blind augmenter is periodically connected with idle stroke chamber through radial augment channel made in cylinder wall. Distance between distributing augment channel edge section and discharge channel is less than striker travel. Cup has bottom facing the lid and is provided with annular rim supported by rim made in the lid to create supply-line air chamber.

EFFECT: increased impact force to be applied to substance to be worked.

1 dwg

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EFFECT: increased impact energy.

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EFFECT: improved shock absorbing properties of hammer.

3 cl, 2 dwg

FIELD: ultrasonic tools for vibration-percussion working of ductile metals and alloys by plastic deforming, possibly relaxation-strengthening and passivation treatment, for example of welded joints, surfaces of metallic structures subjected to action of atmospheric, water and soil corrosion.

SUBSTANCE: ultrasonic vibration-percussion tool includes sleeve mounted in wave-guide acoustic transformer at interference whose effort corresponds to its radial deformation exceeding amplitude of cross oscillations of wave-guide acoustic transformer in node of longitudinal oscillations when transformer operates in idle mode. Guides are joined to body of tool through elastic vibration-insulation gaskets.

EFFECT: lowered harmful action of vibrations acting upon operator or upon apparatus controlling operation of tool used as part of manufacturing system.

2 cl, 2 dwg

The invention relates to the mining industry and construction, in particular for pneumatic machines percussion

The invention relates to mechanical engineering and can be used in the production of impact machines

The invention relates to mechanical engineering and can be used as a hand tool for breaking rock, concrete, lining furnaces, metal cutting shears and applied in mining and construction, as well as in the metallurgical industry

The invention relates to percussive machines with reciprocating movement of the tool, namely safety devices

Hydroshock device // 2099523

FIELD: ultrasonic tools for vibration-percussion working of ductile metals and alloys by plastic deforming, possibly relaxation-strengthening and passivation treatment, for example of welded joints, surfaces of metallic structures subjected to action of atmospheric, water and soil corrosion.

SUBSTANCE: ultrasonic vibration-percussion tool includes sleeve mounted in wave-guide acoustic transformer at interference whose effort corresponds to its radial deformation exceeding amplitude of cross oscillations of wave-guide acoustic transformer in node of longitudinal oscillations when transformer operates in idle mode. Guides are joined to body of tool through elastic vibration-insulation gaskets.

EFFECT: lowered harmful action of vibrations acting upon operator or upon apparatus controlling operation of tool used as part of manufacturing system.

2 cl, 2 dwg

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