阅读说明：本技术 一种径向振打装置 (Radial rapping device ) 是由 王伟 顾景江 郑连喜 于 2020-07-14 设计创作，主要内容包括：本发明公开了一种径向振打装置,包括振打本体和振打机构,振打本体安装在钻杆上,振打本体与钻杆同轴设置,振打本体开设有进风口和N个出风口,进风口与N个出风口之间形成导流风道；振打机构位于振打本体内,振打机构可旋转地设于导流风道中,从进风口进入且流经导流风道的导流风驱动振打机构旋转,振打机构旋转时碰撞振打本体,振打本体带动钻杆径向振动。本发明利用风力驱动偏心轮旋转,振打机构的自身旋转产生偏心运动、迫使振打本体产生径向振动。空气在本发明的导流风道沿轴向前进,随后转向从导流风道的径向流出导流风道,利用空气的转向驱动偏心轮旋转,采用风能驱动的方式,不需要燃料,节约能源。(The invention discloses a radial rapping device, which comprises a rapping body and a rapping mechanism, wherein the rapping body is arranged on a drill rod, the rapping body and the drill rod are coaxially arranged, the rapping body is provided with an air inlet and N air outlets, and a flow guide air channel is formed between the air inlet and the N air outlets; the rapping mechanism is located and shakes this internally, and rapping mechanism rotatably locates the water conservancy diversion wind channel, and the water conservancy diversion wind that gets into and flow through the water conservancy diversion wind channel from the air intake drives rapping mechanism rotatory, and the body is beaten in the collision when rapping mechanism is rotatory, shakes and shakes the body and drives the radial vibration of drilling rod. The invention utilizes wind power to drive the eccentric wheel to rotate, and the self-rotation of the rapping mechanism generates eccentric motion to force the rapping body to generate radial vibration. The air axially advances in the guide air duct of the invention, then turns to flow out of the guide air duct from the radial direction of the guide air duct, the turning of the air is utilized to drive the eccentric wheel to rotate, and the wind energy driving mode is adopted, thereby not needing fuel and saving energy.)

1. A radial rapping device, characterized in that it comprises:

the vibration body is arranged on the drill rod and is coaxial with the drill rod, and a flow guide air channel is arranged in the vibration body;

the mechanism of rapping, it is internal that the mechanism of rapping is located to rap, it rotationally locates to rap the mechanism in the water conservancy diversion wind channel, flow through the water conservancy diversion wind drive in water conservancy diversion wind channel it is eccentric rotatory to rap the mechanism, when rapping the eccentric rotation of mechanism, shake the radial vibration of body, the drilling rod is along with shaking the radial vibration of body in the lump.

2. The radial rapping device of claim 1, wherein the rapping body is provided with an air inlet and N air outlets, and a flow guide air duct is formed among the air inlet, the inner cavity of the rapping body and the N air outlets;

part of the N air outlets are arranged on the peripheral wall of the rapping body, and the rest air outlets are arranged on the end face of the rapping body.

3. A radial rapping device according to claim 2, wherein the plurality of air outlets in the circumferential wall of the rapping body are evenly distributed about the axis of the rapping body.

4. The radial rapping device of claim 1, wherein the rapping body is provided with an air inlet and N air outlets, and a flow guide air duct is formed among the air inlet, the inner cavity of the rapping body and the N air outlets;

n air outlets are all arranged on the peripheral wall of the rapping body, and the N air outlets are uniformly distributed around the axis of the rapping body.

5. A radial rapping device according to any one of claims 2-4, wherein the rapping mechanism is an eccentric paddle wheel, which is mounted in the inner cavity of the rapping body;

the eccentric vane wheel comprises a plurality of vanes and an eccentric wheel body, the eccentric wheel body is divided into an eccentric section and a non-eccentric section along the axis, the vanes are uniformly arranged on the non-eccentric section of the eccentric wheel body, the non-eccentric section is arranged close to the air inlet, and the eccentric section is arranged close to the air outlet.

6. A radial rapping device according to claim 5, wherein both the non-eccentric section and the eccentric section are provided with at least one axial through-hole, the axis of which is parallel to the axis of the eccentric body.

7. A radial rapping device according to claim 1, wherein both ends of said rapping body in the axial direction are provided with external threads, said rapping body being in threaded connection with a drill rod.

8. A radial rapping device according to claim 1 or 7, wherein the rapping mechanism is eccentrically mounted within the rapping body, and the axis of the rapping mechanism is parallel to the axis of the rapping body.

9. The radial rapping device of claim 2, wherein an annular groove is formed in the inner cavity of the rapping body, all the gas blocking balls are disposed in the annular groove, and when the rapping body rotates, the balls rotate in the annular groove, and the gas blocking balls block the air outlet.

Technical Field

The invention relates to the field of radial vibration, in particular to a radial rapping device.

Background

Rotary machines are widely used in the fields of electricity, chemical industry, machinery, and the like, for example: the rotary machine special for drilling often has the phenomenon of jamming or locking. The drill rod for drilling is not clamped at the drilling position after being removed, and the drill rod is driven to shake by the rotary machine to get rid of the clamping or blocking state.

The self-shaking mode of the rotary machine has the defects of difficult control of shaking amplitude, long withdrawal time of the drill rod during blocking and the like.

Disclosure of Invention

The invention provides a radial rapping device, which can extrude and diffuse the drilled dust to the periphery of the current drill hole by the radial rapping device when the drill rod is blocked or stuck in the drilling process, and can recover the rotation of the drill rod by adopting a hole expansion mode.

The technical scheme for realizing the purpose of the invention is as follows:

a radial rapping device, comprising:

the vibration body is arranged on the drill rod and is coaxial with the drill rod, and a flow guide air channel is arranged in the vibration body;

the mechanism of rapping, it is internal that the mechanism of rapping is located to rap, it rotationally locates to rap the mechanism in the water conservancy diversion wind channel, flow through the water conservancy diversion wind drive in water conservancy diversion wind channel it is eccentric rotatory to rap the mechanism, when rapping the eccentric rotation of mechanism, shake the radial vibration of body, the drilling rod is along with shaking the radial vibration of body in the lump.

As a further improvement of the invention, the rapping body is provided with an air inlet and N air outlets, and a diversion air duct is formed among the air inlet, the inner cavity of the rapping body and the N air outlets;

part of the N air outlets are arranged on the peripheral wall of the rapping body, and the rest air outlets are arranged on the end face of the rapping body.

As a further improvement of the invention, a plurality of air outlets on the circumferential wall of the rapping body are evenly distributed around the axis of the rapping body.

As a further improvement of the invention, the rapping body is provided with an air inlet and N air outlets, and a diversion air duct is formed among the air inlet, the inner cavity of the rapping body and the N air outlets;

n air outlets are all arranged on the peripheral wall of the rapping body, and the N air outlets are uniformly distributed around the axis of the rapping body.

As a further improvement of the invention, the rapping mechanism is an eccentric blade wheel which is arranged in the inner cavity of the rapping body;

the eccentric vane wheel comprises a plurality of vanes and an eccentric wheel body, the eccentric wheel body is divided into an eccentric section and a non-eccentric section along the axis, the vanes are uniformly arranged on the non-eccentric section of the eccentric wheel body, the non-eccentric section is arranged close to the air inlet, and the eccentric section is arranged close to the air outlet.

As a further improvement of the invention, at least one axial through hole is arranged on each of the non-eccentric section and the eccentric section, and the axis of the axial through hole is parallel to the axis of the eccentric wheel body.

As a further improvement of the invention, the non-eccentric section consists of a conical section and a cylindrical section, the outer diameter of the large end of the conical section is consistent with that of the cylindrical section, and a plurality of blades are uniformly distributed on the surface of the conical section around the axis of the non-eccentric section; the air inlet of the axial through hole is positioned between the two blades, the air outlet of the axial through hole is positioned on the lower end face of the columnar section or the lower end face of the eccentric section, and the end face of the columnar section extends downwards to form the eccentric section.

As a further improvement of the invention, both ends of the rapping body along the axial direction are provided with external threads, and the rapping body is in threaded connection with the drill rod.

As a further improvement of the invention, the rapping mechanism is eccentrically mounted in the rapping body, and the axis of the rapping mechanism is parallel to the axis of the rapping body.

As a further improvement of the invention, the inner cavity of the rapping body is provided with the gas blocking ball which blocks the air outlet of the peripheral wall of the rapping body, air only flows out of the air outlet of the end face of the rapping body, and the rapping mechanism rotates together with the rapping body.

As a further development of the invention, each gas-blocking ball blocks an air outlet of the circumferential wall of the rapping body.

As a further improvement of the invention, an annular groove is formed in the inner cavity of the rapping body, all the gas-blocking balls are arranged in the annular groove, and when the rapping body rotates, the balls rotate in the annular groove, so that the gas-blocking balls block the air outlet.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention utilizes wind power to drive the eccentric wheel to rotate, and the self-rotation of the rapping mechanism generates eccentric motion to force the rapping body to generate radial vibration.

2. The air axially advances in the guide air duct of the invention, then turns to flow out of the guide air duct from the radial direction of the guide air duct, the turning of the air is utilized to drive the eccentric wheel to rotate, and the wind energy driving mode is adopted, thereby not needing fuel and saving energy.

3. In order to control the eccentric wheel of the invention to stop eccentric motion, the invention uses the air blocking ball to block the radial outflow channel, and because the air can not turn after the radial outflow channel is blocked, the driving force disappears, and the eccentric wheel stops eccentric motion.

4. When the air blocking ball blocks the radial outflow channel, air enters the rapping body from the inflow channel of the guide air channel and then flows out of the rapping body from the axial outflow channel.

Drawings

FIG. 1 is a schematic view of the gas flow direction of a radial rapping device when the drill rod stops rotating;

FIG. 2 is a schematic view of the gas flow direction of the radial rapping device when the drill rod is rotating;

FIG. 3 is a schematic view of the radial rapping device mounted on a taphole rock drill;

FIG. 4 is a first schematic structural view of an eccentric vane wheel;

FIG. 5 is a second schematic structural view of an eccentric vane wheel;

FIG. 6 is a longitudinal cross-sectional view of the radial rapping device while the drill rod is rotating;

FIG. 7 is a longitudinal cross-sectional view of the radial rapping device when the drill rod stops rotating;

fig. 8 is a longitudinal sectional view of the rapping body I;

fig. 9 is a second longitudinal sectional view of the rapping body;

fig. 10 is a first schematic cross-sectional view of a rapping body;

fig. 11 is a schematic cross-sectional view II of the rapping body;

fig. 12 is a schematic end view of a rapping body;

in the figure, 100, a radial rapping device; 200. a rock drill; 210. a drill stem; 1. an eccentric vane wheel; 11. a blade; 12. an eccentric wheel body; 121. an eccentric section; 122. a non-eccentric section; 122-1, a conical section; 122-2, columnar section; 13. an axial through hole; 14. a rotating shaft; 2. vibrating the body; 21. vibrating an air outlet of the peripheral wall of the body; 22. a diversion air duct; 23. an air inlet; 24. vibrating an air outlet on the end face of the body; 25. vibrating the inner cavity of the body; 26. an annular groove; 3. a gas blocking ball bearing; 4. an air inlet channel; 5. vibrating an air outlet channel on the end face of the body; 6. and an air outlet channel on the peripheral wall of the vibrating body.

Detailed Description

The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that functional, methodological, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.

In the description of the present embodiments, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to a number of indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.

The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

The embodiment of the invention discloses a radial rapping device 100, which comprises a rapping body 2 and a rapping mechanism, wherein as shown in fig. 3, the rapping body 2 is arranged on a drill rod 210, the rapping body 2 is coaxially arranged with the drill rod 210, the rapping body 2 is provided with an air inlet 23 and N air outlets, and a diversion air duct 22 is formed between the air inlet 23 and the N air outlets; the rapping mechanism is located rapping body 2, and rapping mechanism rotatably locates in water conservancy diversion wind channel 22, and the water conservancy diversion wind that gets into and flow through water conservancy diversion wind channel 22 from air intake 23 drives rapping mechanism rotatory, and the body 2 is beaten in the collision when rapping mechanism is rotatory, raps body 2 and drives the radial vibration of drilling rod 210.

In the embodiment of the invention, the rapping mechanism is installed in the rapping body 2, and a diversion air duct 22 is arranged in the rapping body 2; continuously conveying air to the guide air duct 22, wherein the air flows in the guide air duct 22 to form guide air which drives the rapping mechanism to rotate; the eccentric rotation of the rapping mechanism forces the rapping body 2 to generate radial vibration, thereby realizing radial rapping.

As a first way of implementing the embodiment of the invention, part of the N air outlets are opened on the peripheral wall of the rapping body 2. Some air outlets of the N air outlets are arranged on the peripheral wall of the rapping body 2, the rest air outlets are arranged on the end surface of the rapping body 2, and other air outlets and the air inlets 23 are arranged on two opposite end surfaces of the rapping body 2. Preferably, the rapping mechanism is an eccentric wheel, air enters the diversion air duct 22 along the axial direction of the eccentric wheel, and the air flows out of the diversion air duct 22 along the radial direction of the eccentric wheel after the diversion air duct 22 turns; the air flow direction is changed by turning, the air provides a turning force for the eccentric wheel in the guide air channel 22, and the eccentric wheel rotates under the action of the turning force.

The inner cavity of the rapping body 2 is provided with an annular groove 26, all the gas blocking balls 3 are arranged in the annular groove 26, when the rapping body 2 rotates, the gas blocking balls 3 rotate in the annular groove 26, and the air outlet is blocked by the gas blocking balls 3. The inner cavity of the rapping body 2 is provided with an air blocking ball 3, the air blocking ball 3 blocks the air outlet on the peripheral wall of the rapping body 2, air only flows out from the air outlet on the end surface of the rapping body 2, and the rapping mechanism rotates together with the rapping body 2. Each gas blocking ball 3 blocks an air outlet of the peripheral wall of one rapping body 2.

The gas blocking ball 3 is placed in the rapping body 2, and the gas blocking ball 3 blocks the radial outflow channel by utilizing the centrifugal force generated by the rotation of the rapping body 2. The guide air flows out of the rapping body 2 from the axial air outlet of the guide air duct 22. The axial air outlet is parallel to the air inlet 23 of the air guide duct 22. The axial air outlet and the air inlet 23 are positioned on the same straight line.

As a second way of implementing the embodiment of the invention, N air outlets are all open on the peripheral wall of the rapping body 2, the N air outlets being evenly distributed around the axis of the rapping body 2. Air enters the diversion air duct 22 along the axial direction of the eccentric wheel, and flows out along the air outlet of the eccentric wheel after the diversion air duct 22 turns; the air flow direction is changed by turning, the air provides a turning force for the eccentric wheel in the guide air channel 22, and the eccentric wheel rotates under the action of the turning force. Air supply to the guide duct 22 is stopped and the eccentric wheel stops rotating.

As shown in fig. 4 and 5, the rapping mechanism is an eccentric vane wheel 1, and the eccentric vane wheel 1 is arranged in the inner cavity of the rapping body 2; the eccentric vane wheel 1 comprises a plurality of vanes 11 and an eccentric wheel body 12, the eccentric wheel body 12 is divided into an eccentric section 121 and a non-eccentric section 122 along the axis, the vanes 11 are uniformly arranged on the non-eccentric section 122 of the eccentric wheel body 12, the non-eccentric section 122 is arranged close to the air inlet 23, and the eccentric section 121 is arranged close to the air outlet. At least one axial through hole 13 is arranged on each of the non-eccentric section 122 and the eccentric section 121, and the axis of the axial through hole 13 is parallel to the axis of the eccentric wheel body 12. The non-eccentric section 122 consists of a conical section 122-1 and a cylindrical section 122-2, the outer diameter of the large end of the conical section 122-1 is consistent with that of the cylindrical section 122-2, and the plurality of blades 11 are uniformly distributed on the surface of the conical section 122-1 around the axis of the non-eccentric section 122; the air inlet 23 of the axial through hole 13 is located between the two blades 11, the air outlet of the axial through hole 13 is located on the lower end face of the cylindrical section 122-2 or the lower end face of the eccentric section 121, and the end face of the cylindrical section 122-2 extends downwards to form the eccentric section 121. Both ends of the rapping body 2 along the axial direction are provided with external threads, and the rapping body 2 is in threaded connection with the drill rod 210. The rapping mechanism is eccentrically arranged in the rapping body 2, and the axis of the rapping mechanism is parallel to the axis of the rapping body 2.

As shown in fig. 8-11, the overall shape of the rapping body 2 is cylindrical, both ends of the rapping body 2 in the axial direction are provided with external threads, and the rapping body 2 is mounted on a rotating member (drill rod 210) of a rotary machine (rock drill) through the external threads at both ends. The body 2 of shaking is equipped with the installation cavity that supplies the eccentric wheel installation, and the eccentric wheel is installed behind this installation cavity, and the axis of eccentric wheel is on a parallel with the axis of the body 2 of shaking to the axis of eccentric wheel does not coincide with the axis of the body 2 of shaking. The purpose of this is to increase the eccentric effect of the eccentric wheel and the radial vibration amplitude of the rapping body 2 is greater. The rapping body 2 is mounted on a drill rod 210, the rapping body 2 being arranged coaxially with the drill rod 210.

The first air flow channel of the rapping body 2 is opened, the rapping body 2 is opened with an air inlet 23 and N air outlets, a diversion air duct 22 is formed between the air inlet 23 and the N air outlets, wherein M air outlets are opened on the peripheral wall of the rapping body 2, N-M air outlets are opened on the end surface of the rapping body 2, and N-M is larger than or equal to 1. The axial through hole 13 on the eccentric wheel body 12 extends to the installation cavity, the air entering from the air inlet 23 fills the inner cavity of the rapping body 2, wherein one or more air flows enter different axial through holes 13 of the eccentric wheel along the inner cavity of the rapping body 2, and the air flowing out from the different axial through holes 13 turns to and flows out from the radial air outlet of the rapping body 2 along the radial direction. In addition, the air which is filled in the inner cavity of the rapping body 2 flows through the gap between the eccentric wheel body 12 and the mounting cavity and flows out from the radial outflow port of the rapping body 2 after turning. At this time, the air is turned to change the flowing direction of the air, the air provides a turning force for the eccentric wheel in the guide air channel 22, and the eccentric wheel rotates under the action of the turning force.

The second air flow channel of the rapping body 2 is opened, the rapping body 2 is opened with an air inlet 23 and N air outlets, and a diversion air duct 22 is formed between the air inlet 23 and the N air outlets. Preferably, N-1 air outlets of the N air outlets are arranged on the peripheral wall of the rapping body 2, 1 air outlet is arranged on the end surface of the rapping body 2, and the 1 air outlet is coaxial with the air inlet 23. A diversion air duct 22 is formed among the air inlet 23, the inner cavity of the rapping body 2 and the N air outlets. Wherein M air outlets are arranged on the peripheral wall of the rapping body 2, N-M air outlets are arranged on the end surface of the rapping body 2, and N-M is more than or equal to 1. Air is continuously conveyed to the guide air duct 22, namely N-M axial air outlets are blocked, air enters from the air inlet 23 and flows out from M radial air outlets, the air is turned from the axial direction to the radial direction in the rapping body 2, so that the air flow direction is changed, the air provides turning force for the eccentric wheel in the guide air duct 22, and the eccentric wheel rotates. When the drill rod 210 rotates, under the centrifugal force action of the rotation of the drill rod 210, the gas blocking balls 3 in the annular groove 26 block the radial M air outlets, air enters from the air inlet 23 and flows out from the axial N-M air outlets, no turning of the air occurs in the rapping body 2, the eccentric wheel stops rotating, no radial vibration occurs in the rapping body 2, and the rapping body 2 rotates along with the drill rod 210.

As shown in fig. 3, an embodiment of the present invention, which is exemplified by a trombone drill, mounts the radial rapping device 100 on the drill rod 210 of the trombone drill. When the tapping hole rock drill is blocked or stuck in the drilling process, the drilled dust is extruded and diffused to the periphery through the radial vibration of the radial vibration device 100, the size of the drilled hole is increased, so that the drill rod 210 is restored to rotate, the tapping hole drilling time is greatly reduced through the radial vibration, and the tapping hole efficiency is improved.

Fig. 3 shows the addition of a radial rapping device 100 to a taphole drilling rig, where the position of the radial rapping device 100 can be changed according to the actual thickness of the taphole furnace wall, the position of the air outlet of the radial rapping device 100 is changed accordingly, and the radial rapping device 100 is in threaded connection with the drill rod 210.

As shown in fig. 1, in the process of drilling the molten iron water outlet by a drill rod 210 of the taphole drilling machine, when the drill rod 210 is not moved, an axial air outlet is communicated with a drill bit blowing hole, when the drill rod 210 stops rotating, an air vent of the drill bit is blocked, an air blocking ball 3 at a radial air outlet falls back by self gravity, the air blocking ball 3 no longer blocks the radial air outlet, air is discharged through the radial air outlet, the air is circulated through an eccentric impeller 1 due to the opening and closing of the radial air outlet, the eccentric impeller 1 starts to rotate relative to a rapping body 2, the eccentric impeller 1 starts to vibrate radially due to the eccentric weight of the eccentric impeller 1, so that dust blocked by drilling is extruded and diffused to the periphery, the molten iron water outlet is not blocked by dust, and the drill rod 210 starts to rotate.

As shown in fig. 2, the radial rapping device 100 works in a principle diagram when rotating, when the open-iron-mouth rock drill starts to work, the drill rod 210 starts to rotate to drive the radial rapping device 100 to rotate together, the purge gas is ventilated, the air inlet 23 admits air, the air blocking ball 3 at the radial air outlet is thrown to the outside due to centrifugal force, the radial air outlet is blocked by the air blocking ball 3, the gas can only be discharged through the axial air outlet, because the radial air outlet is closed, the eccentric impeller 1 can not provide power, the eccentric impeller 1 vibrates with the body 2 to rotate together, the rapping body 2 rotates together with the drill rod 210, the eccentric impeller 1 does not produce an eccentric action, and the drill rod 210 also does not play a centrifugal radial vibration role.

As shown in fig. 2, the blocking ball 3 blocks the radial air outlet by centrifugal force, the eccentric blade wheel 1 rotates together with the rapping body 2 by centrifugal force, the eccentric blade wheel 1 is stationary with respect to the rapping body 2, and the rapping body 2 is stationary with respect to the drill rod 210.

As shown in fig. 1, fig. 2, fig. 6 and fig. 7, a radial rapping device 100 of an embodiment of the present invention comprises: the body 2, the eccentric impeller 1 and the blocking ball 3 are rapped, different axial vent holes, radial vent holes and annular grooves 26 are arranged on the vibrating body, and the rapping body 2 is also connected with the drill rod 210 through threads.

When the iron notch rock drill starts to work, the drill rod 210 starts to rotate to drive the rapping body 2 to rotate together, the purging gas is ventilated, air enters the air inlet 23, the air blocking ball 3 at the radial air outlet position is thrown to the outer side due to centrifugal force, the radial air outlet is blocked by the air blocking ball 3, the gas can only be discharged through the axial air outlet, the eccentric impeller 1 cannot provide power, the rotating eccentric impeller 1 vibrates with the rapping body 2 to rotate together, the rapping body 2 rotates together with the drill rod 210, the eccentric impeller 1 does not produce the eccentric action, and the effect of centrifugal radial vibration is not played. The rapping body 2 rotates together with the drill rod 210 and is stationary with respect to the drill rod 210.

When the drill rod 210 drills the molten iron water outlet and does not move, the axial air outlet is communicated with the drill bit blowing hole, when the drill rod 210 stops rotating, the drill bit vent hole is blocked, the air blocking ball 3 at the radial air outlet falls back by self gravity, the air blocking ball 3 does not block the radial air outlet any more, air is exhausted through the radial air outlet, because the radial air outlet is opened, the air circulates through the eccentric impeller 1, the eccentric impeller 1 starts to rotate relative to the rapping body 2, because the eccentric impeller 1 is eccentric by self weight, the eccentric impeller starts to vibrate radially, so that dust blocked by drilling is extruded and diffused to the periphery, the molten iron water outlet is not blocked by dust, and the drill rod 210 starts to rotate.

The whole process is a continuous process, the drill rod 210 stops rotating, the radial rapping device 100 starts vibrating after ventilation, the drill rod 210 starts rotating after hole expansion, and at the moment, the radial rapping device 100 stops vibrating. The eccentric bladed wheel 1 may be cast to form an eccentric with an offset weight. The gas blocking ball 3 consists of the gas blocking ball 3, and the size of the gas blocking ball 3 is determined by the size of the radial hole and the size of the ring groove. The vibration frequency is determined by the flow of the blowing gas and the size of the hole.

The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.