CN112706129B

CN112706129B - Percussion drill based on sound wave signal control

Info

Publication number: CN112706129B
Application number: CN202011267965.9A
Authority: CN
Inventors: 李萍; 张劲泉; 王陶; 王磊; 樊平; 郑康琳
Original assignee: Research Institute of Highway Ministry of Transport
Current assignee: Research Institute of Highway Ministry of Transport
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-08-24
Anticipated expiration: 2040-11-13
Also published as: CN112706129A

Abstract

The invention discloses a percussion drill based on sound wave signal control, which comprises: the sound recognition mechanism is used for recognizing sound generated when the impact drill body encounters different media after drilling into the concrete surface, and the operation of the impact drill body is controlled according to the difference of sound threshold values. The invention provides a percussion drill based on sound wave signal control, which comprises a percussion drill body and a sound recognition mechanism, wherein the sound recognition mechanism is used for recognizing sound generated when the percussion drill body encounters different media after drilling into the surface of concrete, and controlling the work of the percussion drill body according to the difference of sound threshold values.

Description

Percussion drill based on sound wave signal control

Technical Field

The invention relates to the technical field of civil engineering, in particular to a percussion drill based on sound wave signal control.

Background

The impact drill is widely used in the field of civil engineering, for example, the verification of internal defects of concrete and the full grouting condition of a prestressed pipeline requires endoscopic exploration after drilling, and the micro-damage verification is carried out on a nondestructive testing result.

Before drilling, generally positioning, determining the position of a steel bar/the position of a prestressed pipeline and the like, then drilling a target position, and observing the condition in the drilled hole; however, the steel bar/prestressed pipe has positioning errors, and in order to avoid the damage of the drill bit to the steel bar/prestressed steel beam, a worker who needs to drill holes judges the change condition of the drilling medium according to experience. However, for new people, due to the lack of experience, errors can occur inevitably in the process of using the percussion drill, the drill bit is broken by light people, the reinforcing steel bar/prestressed steel beam is damaged, and the safety of workers and people can be affected even by heavy people. Therefore, there is a need for a percussion drill controlled based on acoustic signals to at least partially solve the problems of the prior art.

Disclosure of Invention

In this summary, concepts in a simplified form are introduced that are further described in the detailed description. This summary of the invention is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.

To at least partially solve the above problems, the present invention provides a percussion drill controlled based on an acoustic wave signal, comprising:

the sound recognition mechanism is used for recognizing sound generated when the impact drill body encounters different media after drilling into the concrete surface, and the operation of the impact drill body is controlled according to the difference of sound threshold values.

Preferably, wherein, sound identification mechanism includes casing, sound collector, sound identification module, alarm module and control module, the casing sets up on the handle of percussion drill body, sound collector sound identification module control module all sets up in the casing, alarm module sets up on the surface of casing, sound collector with sound identification module electricity is connected, sound identification module alarm module respectively with the control module electricity is connected, control module respectively with the starting switch of percussion drill body, power portion electricity are connected.

Preferably, wherein, be provided with evacuation mechanism on the percussion drill body, evacuation mechanism includes evacuation cover, handheld evacuation portion detachably sets up the front end of percussion drill body, evacuation cover is in on the drill bit of percussion drill body, and the end of evacuation cover with the upper end of handheld evacuation portion is connected, handheld evacuation portion with it is used for evacuating to manage the piece that produces when boring the operation of percussion drill body.

Preferably, wherein, it includes transparent flexible cover, backup pad and leads the dirt pipe to find time the cover, the backup pad cover is in strike the front end of boring the body, the end of transparent flexible cover with the front surface spiro union of backup pad is overlapped on the drill bit, lead the upper end of dirt pipe with transparent flexible cover intercommunication, the lower extreme with handheld portion's intercommunication of trying to find time.

Preferably, the method further comprises the following steps: the depth gauge rod is provided with a protruding plate on the outer side surface of the supporting plate, a through hole is formed in the protruding plate, the depth gauge rod is arranged in the through hole, an adjusting screw hole communicated with the through hole is formed in the outer side surface of the protruding plate, an adjusting screw rod is screwed in the adjusting screw hole, and the adjusting screw rod is used for abutting against the depth gauge rod.

Preferably, wherein, handheld evacuation portion includes upper cover portion, handheld handle, upper cover portion cup joints the front end of percussion drill body, handheld handle sets up the lower extreme of upper cover portion and with evacuation cover intercommunication, handheld handle includes handheld section of thick bamboo, collection dirt net cover and evacuates the power seat, handheld section of thick bamboo spiro union the bottom of upper cover portion, collection dirt net cover sets up in the handheld section of thick bamboo, it is in to evacuate the power seat spiro union the lower extreme of a handheld section of thick bamboo.

Preferably, the evacuation power base comprises a base barrel, an evacuation motor, a blade base and a battery block, wherein the upper end and the lower end of the base barrel are both open, a base bottom plate is arranged at the lower end opening, the upper end of the base barrel is in threaded connection with the bottom of the upper sleeve part, a motor base is arranged on the inner upper part of the base barrel, the evacuation motor is arranged in the motor base, the blade base is arranged on an output shaft of the evacuation motor, the battery block is arranged on the inner lower part of the base barrel, a motor switch and a plurality of through holes are arranged on the outer wall of the base barrel, the battery block is electrically connected with the evacuation motor through the motor switch, and the plurality of through holes are respectively communicated with the inner upper part and the inner lower part of the base barrel.

Preferably, wherein, upper cover portion includes upper sleeve, steel band, locking screw and latch segment, locking screw's one end is rotated and is connected in the upper sleeve, and the other end is worn out the upper sleeve is connected with the rotor plate, the latch segment sets up with sliding in the upper sleeve, and with the locking screw spiro union, the one end of steel band with upper sleeve's upper end is connected, and the other end passes upper sleeve's upper end and extend to with the latch segment is connected, the power seat of managing to find time with upper sleeve spiro union, and the cover that takes out with upper sleeve intercommunication.

Preferably, a U-shaped guide seat is arranged in the upper sleeve, the U-shaped guide seat is connected with the inner top surface of the upper sleeve, the locking screw and the locking block are both located in the U-shaped guide seat, and the locking block is connected with the inner surface of the U-shaped guide seat in a sliding manner.

Preferably, the dust guide pipe is connected with the transparent telescopic sleeve through a clamping device, a clamping groove is formed in the upper end of the dust guide pipe, the clamping device comprises a first clamping mechanism, a second clamping mechanism and a leakage-proof mechanism, the first clamping mechanism is arranged in the clamping groove, the second clamping mechanism is arranged at the lower part of the clamping groove, and the leakage-proof mechanism is movably sleeved on the first clamping mechanism and connected with the second clamping mechanism;

the first clamping mechanism comprises a plurality of clamping blocks, a plurality of L-shaped stop levers, a lower stop sleeve, a U-shaped stop sleeve, a plurality of first spring support rods, a sleeve, a first wedge-shaped stop sleeve and a plurality of second spring support rods, the clamping blocks are uniformly distributed on the upper portion of the clamping groove through the first spring support rods, the sleeve is arranged in the middle of the clamping groove through the second spring support rods, the L-shaped stop levers are arranged between the inner ends of the clamping blocks and the upper end of the sleeve, the lower stop sleeve is sleeved on the upper portion of the outer surface of the sleeve, the first wedge-shaped stop sleeve is sleeved on the lower portion of the outer surface of the sleeve, the U-shaped stop sleeve is sleeved on the upper portion of the clamping groove, the upper edge of the U-shaped stop sleeve is connected with the inner top surface of the clamping groove, and the lower edge of the first wedge-shaped stop sleeve is sleeved on the upper portion of the sleeve and abuts against the upper surface of the lower stop sleeve;

the second clamping mechanism comprises a second wedge-shaped blocking sleeve, a corrugated sleeve and a plurality of third spring supporting rods, the second wedge-shaped blocking sleeve is sleeved on the sleeve and corresponds to the first wedge-shaped blocking sleeve, the lower surface of the second wedge-shaped blocking sleeve is connected with the clamping groove through the corrugated sleeve and the plurality of third spring supporting rods respectively, and the corrugated sleeve is sleeved outside the plurality of third spring supporting rods; the leakage-proof mechanism comprises a wedge-shaped jacket, an upper top rail sleeve, a lower clamping sleeve, a first leakage-proof sleeve, a second leakage-proof sleeve and an L-shaped blocking sleeve, the L-shaped retaining sleeve is sleeved at the lower part of the outer surface of the sleeve and is close to the second wedge-shaped retaining sleeve, the lower clamping sleeve is sleeved on the sleeve, the lower surface of the lower clamping sleeve is provided with a rotating groove corresponding to the L-shaped retaining sleeve, the outer surface of the L-shaped blocking sleeve is provided with a first screw tooth, the inner surface of the rotating groove is provided with a second screw tooth corresponding to the first screw tooth, a plurality of rolling balls are arranged between the L-shaped retaining sleeve and the rotating groove, the upper top rail sleeve is arranged on the upper surface of the lower clamping sleeve, the wedge-shaped jacket is movably sleeved on the sleeve and is rotationally connected with the upper head rail sleeve, the first leakage-proof sleeve and the second leakage-proof sleeve are sleeved on the upper surface of the wedge-shaped jacket, and the second leakage-proof sleeve is positioned in the first leakage-proof sleeve.

Compared with the prior art, the invention at least comprises the following beneficial effects:

the invention provides a percussion drill based on sound wave signal control, which comprises a percussion drill body and a sound recognition mechanism, wherein the sound recognition mechanism is used for recognizing sound generated when the percussion drill body encounters different media after drilling into the surface of concrete, and controlling the work of the percussion drill body according to the difference of sound threshold values.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of a percussion drill controlled based on an acoustic signal according to the present invention.

Fig. 2 is a left side view of a partial structure of the percussion drill based on the control of the sound wave signal according to the present invention.

FIG. 3 is a schematic structural diagram of a hand-held handle in the percussion drill based on sound wave signal control according to the present invention.

FIG. 4 is a schematic structural diagram of an upper sleeve portion of a percussion drill based on acoustic signal control according to the present invention.

Fig. 5 is a partial structural schematic diagram of an upper sleeve part in the percussion drill based on the control of the sound wave signal.

Fig. 6 is a schematic structural diagram of the sound recognition mechanism in the percussion drill based on the control of the sound wave signal.

Fig. 7 is a schematic structural diagram of a clamping device in a percussion drill based on sound wave signal control according to the present invention.

Fig. 8 is a partial structural schematic diagram of a clamping device in a percussion drill based on sound wave signal control according to the present invention.

FIG. 9 is a schematic structural diagram of a wedge-shaped jacket in the percussion drill based on acoustic signal control according to the present invention.

FIG. 10 is a schematic diagram of a second wedge-shaped retaining sleeve in the sonic signal control-based impact drill of the present invention.

FIG. 11 is a schematic structural diagram of a leak-proof mechanism in a percussion drill based on sound wave signal control according to the present invention.

Detailed Description

The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can practice the invention with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

As shown in fig. 1 to 11, the present invention provides a percussion drill controlled based on an acoustic wave signal, including:

the percussion drill comprises a percussion drill body 1 and a sound recognition mechanism 5, wherein the sound recognition mechanism 5 is arranged on the percussion drill body 1, the sound recognition mechanism 5 is used for recognizing sound generated when the percussion drill body 1 runs into different media after drilling into a concrete surface, and the work of the percussion drill body 1 is controlled according to the difference of sound threshold values.

The working principle of the technical scheme is as follows: the impact drill is widely used in the field of civil engineering, for example, the verification of internal defects of concrete and the full grouting condition of a prestressed pipeline requires endoscopic exploration after drilling, and the micro-damage verification is carried out on a nondestructive testing result. Due to the lack of experience of new people, errors can occur inevitably in the process of using the percussion drill, the drill bit is broken by light people, the reinforcing steel bar/prestressed steel beam is damaged, and the safety of workers and people can be affected by heavy people. Therefore, the sound wave signal identification is used as a main technical means, sound signals of different interfaces such as concrete, steel bars, corrugated pipe skin, prestressed steel bundles and air are collected after the impact drill body drills into the surface of the concrete, the sound signals are identified, the work of the impact drill body is controlled according to the difference of sound threshold values, the impact drill body continues to drill into the concrete and the corrugated pipe skin and stops when encountering the steel bars, the steel bundles and the air;

in order to realize the functions, the invention provides a percussion drill controlled by sound wave signals, wherein a sound recognition mechanism 5 is arranged in the percussion drill controlled by sound wave signals, specifically, the sound recognition mechanism 5 is arranged on a percussion drill body 1, an operator connects the percussion drill body 1 with external commercial power when using the percussion drill body 1, the sound recognition mechanism 5 is also started, threshold values of sound characteristics of different interfaces such as concrete, steel bars, corrugated pipe skin, steel beams, air and the like drilled by the percussion drill body 1 are respectively set as a threshold value 1, a threshold value 2, a threshold value 3, a threshold value 4 and a threshold value 5, the sound recognition mechanism 5 is used for collecting and recognizing sound, the sound of different media is encountered after the percussion drill body 1 is drilled into the concrete surface, and the work of the percussion drill body 1 is controlled according to the difference of the threshold values, so as to realize that the percussion drill body 1 meets the concrete, The corrugated pipe is continuously drilled into the corrugated pipe skin and stops when encountering reinforcing steel bars, prestressed steel bundles and air.

The beneficial effects of the above technical scheme are that: through the design of the structure, the invention provides the percussion drill based on the sound wave signal control, the percussion drill based on the sound wave signal control comprises a percussion drill body 1 and a sound recognition mechanism 5, the sound recognition mechanism 5 is used for recognizing sound generated when the percussion drill body 1 encounters different media after drilling into the surface of concrete, and the work of the percussion drill body 1 is controlled according to the difference of sound threshold values, so that the percussion drill has the characteristics of high work efficiency and convenience in use, the dependence of operators on experience is reduced, new people can quickly complete the work, the risks of drill bit breakage, reinforcing steel bars and prestressed steel bundles are avoided, and the safety of the operators is guaranteed.

In one embodiment, the voice recognition mechanism 5 includes a housing 51, a voice collector 52, a voice recognition module 53, an alarm module 54 and a control module 55, the housing 51 is disposed on the handle 12 of the percussion drill body 1, the voice collector 52, the voice recognition module 53 and the control module 55 are disposed in the housing 51, the alarm module 54 is disposed on the outer surface of the housing 51, the voice collector 52 is electrically connected with the voice recognition module 53, the voice recognition module 53 and the alarm module 54 are respectively electrically connected with the control module 55, and the control module 55 is respectively electrically connected with the starting switch and the power supply portion of the percussion drill body 1.

The working principle of the technical scheme is as follows: the present embodiment provides a structure of the voice recognition mechanism 5, and the voice recognition mechanism 5 of the structure includes a housing 51, a voice collector 52, a voice recognition module 53, an alarm module 54, and a control module 55; specifically, the entire voice recognition unit 5 is designed on the grip 12 of the hammer drill body 1, and thus the grip 12 of the hammer drill body 1 is also beautiful; alarm module 54 on casing 51 can light (not scintillation) in operating personnel working process, when meetting sound collector 52 collection sound, through the different threshold values of sound identification module 53 discernment, when strikeing brill body 1 and meetting reinforcing bar, steel beam, air, control module 55 is with disconnection starting switch, power portion (power portion and outside commercial power connection), alarm module 54 twinkles simultaneously, operating personnel also can stop to impel strikeing to the concrete is inside hard to bore body 1 like this.

The thresholds at which the percussion drill encounters different media will now be described as follows:

the threshold values of sound characteristics of different interfaces of the percussion drill body, such as concrete, steel bars, corrugated pipe skin, steel bundles, air and the like, are set to be a threshold value 1, a threshold value 2, a threshold value 3, a threshold value 4 and a threshold value 5 respectively.

Controlling the percussion drill body to stop or continue according to the identification result:

1) when the identification interface is a steel bar or a steel bundle, the drilling can be immediately stopped through the control module 55; the drill bit is prevented from damaging the steel bars or the prestressed steel bundles;

2) when the identification interface is a corrugated pipe skin, the drilling speed of the percussion drill is reduced through the control module 55;

3) when the order of the identification interface is concrete, air and concrete, the hole position has the defect of a concrete inner cavity;

4) when the sequence of the identification interface is concrete, corrugated pipe skin, concrete and steel bundles, indicating that the drilling position is a prestressed corrugated pipe with grouting and steel bundles;

5) when the sequence of the identification interface is concrete, corrugated pipe skin, air and steel bundles, the drilling position is indicated to be a prestressed corrugated pipe with insufficient grouting and steel bundles;

6) when the identification interface is concrete, corrugated pipe skin, concrete, corrugated pipe skin and concrete in sequence, two conditions exist, wherein the drilling position is a prestressed corrugated pipe with grouting and without steel bundles, and the drilling position is far deviated from the position right above a prestressed corrugated pipe and can deviate to drill towards the direction of the center of the pipe;

7) when the identification interface sequence is concrete, corrugated pipe skin, air, corrugated pipe skin and concrete, the drilling position is the prestressed corrugated pipe without grouting and steel bundles.

The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, the structure of sound identification mechanism 5 is provided in this embodiment, this structure sound identification mechanism 5 includes casing 51, sound collector 52, sound identification module 53, alarm module 54 and control module 55, through the collection of above-mentioned structure to different medium sound, specifically realized boring body 1's control to the impact, make things convenient for operating personnel to use to strike to bore body 1 and bore, avoid the drill bit fracture, the reinforcing bar, the destroyed risk of prestressing steel bundle, guarantee operating personnel's safety.

In one embodiment, the percussion drill body 1 is provided with an evacuation mechanism 2, the evacuation mechanism 2 comprises an evacuation sleeve 3 and a handheld evacuation portion 4, the handheld evacuation portion 4 is detachably disposed at the front end of the percussion drill body 1, the evacuation sleeve 3 is sleeved on the drill bit 11 of the percussion drill body 1, the tail end of the evacuation sleeve 3 is connected with the upper end of the handheld evacuation portion 4, and the handheld evacuation portion 4 is communicated with the evacuation sleeve 3 for evacuating debris generated during operation of the percussion drill body 1.

The working principle of the technical scheme is as follows: because the chips are generated in the drilling process, the evacuation mechanism 2 is installed on the percussion drill body 1 in the embodiment, specifically, the evacuation mechanism 2 is detachable, so that an operator can conveniently install the evacuation mechanism 2 according to actual use, the evacuation mechanism 2 comprises an evacuation sleeve 3 and a handheld evacuation part 4, the operator firstly installs the handheld evacuation part 4 at the front end of the percussion drill body 1, then installs the evacuation sleeve 3 on the percussion drill body 1, the evacuation sleeve 3 is sleeved on the drill bit 11 and is communicated with the handheld evacuation part 4, so that when the operator uses the percussion drill body 1 to perform drilling, the operator can hold the handheld evacuation part 4 by hand to assist in drilling, the evacuation sleeve 3 covers the operation part, the generated chips cannot be scattered randomly, and meanwhile, the operator starts the handheld evacuation part 4, the handheld evacuation part 4 actively provides evacuation force, so that the debris is sucked into the handheld evacuation part 4 and collected in a centralized manner;

for the debris remained in the drill hole, because the length of the evacuation sleeve 3 is longer than that of the drill bit 11, the operator pushes the evacuation sleeve 3 to be tightly attached to the periphery of the drill hole, at the moment, the drill bit 11 is positioned outside the hole, then the handheld evacuation part 4 is started, and the handheld evacuation part 4 actively provides evacuation force to evacuate the debris out of the hole; or, the drill hole has a certain depth, for example, more than 10cm, at this time, the operator adjusts the percussion drill body 1 to rotate forward and backward, the chips are driven out of the drill hole through the drill bit 11, and the handheld evacuation portion 4 is in an open state, so that the chips are evacuated out of the drill hole.

The beneficial effects of the above technical scheme are that: through the design of the structure, the embodiment provides the structure of the evacuation mechanism 2, so that an operator can conveniently install the evacuation mechanism 2 according to actual use, and through the design of the evacuation sleeve 3 and the handheld evacuation part 4, debris generated in drilling operation can be covered for concentrated suction and storage, so that the debris is prevented from floating in the air to pollute the air and the environment; and debris in the drill hole is sucked out, so that the operator can clean the drill hole conveniently and the labor intensity is reduced.

In one embodiment, the evacuation sleeve 3 includes a transparent telescopic sleeve 31, a support plate 32 and a dust guide tube 33, the support plate 32 is sleeved on the front end of the percussion drill body 1 and located on the front side of the steel belt 412, the end of the transparent telescopic sleeve 31 is screwed with the front surface of the support plate 32 and sleeved on the drill bit 11, the upper end of the dust guide tube 33 is communicated with the transparent telescopic sleeve 31, and the lower end is connected with the handheld evacuation portion 4.

The working principle of the technical scheme is as follows: the embodiment provides a structure of the evacuation sleeve 3, specifically, the evacuation sleeve 3 of the structure comprises a transparent telescopic sleeve 31, a support plate 32 and a dust guide pipe 33, wherein the tail end of the transparent telescopic sleeve 31 can be fixedly connected to the support plate 32, the upper end of the dust guide pipe 33 is fixedly connected to the transparent telescopic sleeve 31, the lower end of the dust guide pipe is detachable from the upper sleeve 411, and an insertion manner can be adopted; the operator installs backup pad 32 in the front end of percussion drill body 1, and again with leading dust pipe 33 and handheld evacuation portion 4 and couple together to this installation of accomplishing evacuation cover 3, then the drilling piece is then covered by transparent telescope tube 31, and rethread dust pipe 33 gets into in handheld evacuation portion 4.

It should be noted that the transparent telescopic sleeve 31 may be made of a transparent corrugated tube, which is not described in detail herein.

The beneficial effects of the above technical scheme are that: through the design of the structure, the structure of the evacuation cover 3 is provided in the embodiment, the evacuation cover 3 of the structure comprises a transparent telescopic sleeve 31, a support plate 32 and a dust guide pipe 33, and the transparent telescopic sleeve 31 covers the debris to prevent the debris from floating in the air; transparent telescope 31 makes things convenient for operating personnel to observe drill bit 11 and carries out the drilling effect, and backup pad 32 provides the supporting role for transparent telescope 31.

In one embodiment, further comprising: the depth scale rod 7, be provided with protrusion board 34 on the outside surface of backup pad 32, be provided with via hole 35 on the protrusion board 34, the depth scale rod 7 sets up in the via hole 35, be provided with on the outside surface of protrusion board 34 with the regulation screw 36 of via hole 35 intercommunication, threaded connection has adjusting screw 37 in the regulation screw 36, adjusting screw 37 is used for supporting the depth scale rod 7.

The working principle of the technical scheme is as follows: the depth scale rod 7 is provided in the embodiment, specifically, a protruding plate 34 is provided on the outer surface of the supporting plate 32, a through hole 35 is provided on the protruding plate 34, the depth scale rod 7 is installed in the through hole 35, and an operator can set the drilling depth of the drill bit 11 through the depth scale rod 7.

In general, the outer surface of the depth scale rod 7 is provided with threads, and an operator rotates the depth scale rod 7 to specifically adjust the depth, but such operation is inconvenient for the operator to quickly adjust, so in the embodiment, an adjusting screw hole 36 communicated with the via hole 35 is provided on the outer surface of the protruding plate 34, an adjusting screw 37 is screwed in the adjusting screw hole 36, so that the operator can directly move the depth scale rod 7 to a proper position by rotating the adjusting screw 37, and then the operator can rotate the adjusting screw 37 to reach the depth scale rod 7.

The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, provide depth chi pole 7, regulation screw 36, adjusting screw 37 isotructure in this embodiment, make things convenient for operating personnel to set for the drilling depth of drill bit 11 through depth chi pole 7, improved the precision of punching that this strikes and bores, realize the quick fixed to depth chi pole 7 through adjusting screw 36, adjusting screw 37 simultaneously.

In one embodiment, the handheld evacuation portion 4 includes an upper sleeve portion 41 and a handheld handle 42, the upper sleeve portion 41 is sleeved on the front end of the percussion drill body 1, the handheld handle 42 is disposed at the lower end of the upper sleeve portion 41 and is communicated with the evacuation sleeve 3, the handheld handle 42 includes a handheld cylinder 421, a dust collecting net 422 and an evacuation power seat 423, the handheld cylinder 421 is screwed on the bottom of the upper sleeve portion 41, the dust collecting net 422 is disposed in the handheld cylinder 421, and the evacuation power seat 423 is screwed on the lower end of the handheld cylinder 421.

The working principle of the technical scheme is as follows: the embodiment provides a structure of a handheld evacuation portion 4, specifically, the handheld evacuation portion 4 includes an upper sleeve portion 41 and a handheld handle 42, the upper sleeve portion 41 is installed at the front end of the percussion drill body 1, and the handheld portion 42 is installed at the bottom of the upper sleeve portion 41; when an operator drills a hole, the operator holds the hand-held cylinder 421 in the hand-held part 42, the dust collecting net cover 422, the upper cover part 41 and the evacuation sleeve 3 are in a communicated state, the operator starts the evacuation power seat 423 at the bottom of the hand-held cylinder 421, and the evacuation power seat 423 generates suction force on the dust collecting net cover 422 after being started, so that the debris is sucked into the dust collecting net cover 422 through the evacuation sleeve 3 and the upper cover part 41 and is collected in a centralized manner; after use, the operator opens the handheld cylinder 421 to pour the debris in the dust collecting net 422 into the trash can or other places for disposal, which is convenient for subsequent use.

The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, provided the structure of handheld evacuation portion 4 in this embodiment, handheld evacuation portion 4 of this structure includes jacket portion 41, handheld handle 42, and handheld portion 42 includes handheld section of thick bamboo 421, collection dirt net cover 422 and evacuates power seat 423, and simple structure makes things convenient for operating personnel to use this handheld portion 42 to evacuate the piece of drilling and accomodate, improves drilling efficiency.

In one embodiment, the evacuation power seat 423 includes a seat cylinder 4231, an evacuation motor 4232, a blade seat 4233, and a battery block 4234, wherein the seat cylinder 4231 is open at both upper and lower ends thereof and is provided with a seat bottom plate 4235 at the lower end thereof, the upper end of the seat cylinder 4231 is screwed with the bottom of the upper sleeve portion 41, the seat cylinder 4231 is provided at an inner upper portion thereof with a motor seat 4236, the evacuation motor 4232 is disposed in the motor seat 4236, the blade seat 4233 is disposed on an output shaft of the evacuation motor 4232, the battery block 4234 is disposed at an inner lower portion of the seat cylinder 4231, the seat cylinder 4231 is provided at an outer wall thereof with a motor switch 4237 and a plurality of through holes 4238, the battery block 4234 is electrically connected to the evacuation motor 4232 through the motor switch 4237, and the plurality of through holes 4238 are respectively communicated with the inner upper portion and the inner lower portion of the seat cylinder 4231.

The working principle of the technical scheme is as follows: the embodiment provides a structure of an evacuation power seat 423, the evacuation power seat 423 of the structure comprises a seat cylinder 4231, an evacuation motor 4232, a blade seat 4233 and a battery block 4234, specifically, an operator starts a motor switch 4237 on the outer wall of the seat cylinder 4231, the motor switch 4237 conducts the evacuation motor 4232 with the battery block 4234, the evacuation motor 4232 drives the blade seat 4233 to rotate after starting, the blade seat 4233 rotates to evacuate air in the handheld cylinder 421, so that the air in the handheld cylinder 421 is exhausted through a plurality of through holes 4238 at the upper part in the seat cylinder 4231, and debris generated by drilling is sucked into the handheld cylinder 421 through the evacuation sleeve 3 and the upper sleeve part 41 and is intercepted by the dust collecting net sleeve 422; a plurality of through holes 4238 at the inner lower part of the seat cylinder 4231 are used for heat dissipation of the battery blocks 4234; the operator can open seat base plate 4235 to replace battery block 4234.

It should be noted that the evacuation motor 4232 is a mute motor, the motor switch 4237 is a multi-position switch, the specific circuit lead arrangements and specific models among the motor switch 4237, the evacuation motor 4232 and the battery block 4234 are well known to those skilled in the art, and the specific structural principle is not described in detail.

The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, provide the structure of power seat 423 of managing to find time in this embodiment, the power seat 423 of managing to find time of this structure includes seat section of thick bamboo 4231, evacuates motor 4232, blade seat 4233 and battery piece 4234, can realize better the suction to the drilling piece, makes things convenient for operating personnel to use, has simple structure, conveniently changes the battery piece, advantage that the radiating effect is good.

In one embodiment, the upper sleeve portion 41 includes an upper sleeve 411, a steel band 412, a locking screw 413 and a locking block 414, one end of the locking screw 413 is rotatably connected in the upper sleeve 411, the other end of the locking screw 413 passes through the upper sleeve 411 and is connected to a rotating plate 415, the locking block is slidably disposed in the upper sleeve 411 and is screwed with the locking screw 413, one end of the steel band 412 is connected with the upper end of the upper sleeve 411, the other end of the steel band passes through the upper end of the upper sleeve 411 and extends to be connected with the locking block 414, the evacuation power seat 423 is screwed with the upper sleeve 411, and the evacuation sleeve 3 is communicated with the upper sleeve 411.

The working principle of the technical scheme is as follows: in this embodiment, a structure of the upper sleeve portion 41 is provided, specifically, the upper sleeve portion 41 includes an upper sleeve 411, a steel belt 412, a locking screw 413, and a locking block 414, one end of the locking screw 413 is located inside the upper sleeve 411 and is rotatably connected to the upper sleeve 411, when in use, an operator holds the rotating plate 415, rotates the rotating plate 415 to drive the locking screw 413 to rotate, so that the locking block 414 is far away from the rotating plate 415 along the locking screw 413, so that the locking block 414 pushes the steel belt 412 outwards, that is, the inner diameter of the steel belt 412 is slightly enlarged, so that the operator can conveniently sleeve the upper sleeve portion 41 on the front end of the percussion drill body 1, and then rotate the rotating plate 415 again, so that the locking block 414 is close to the rotating plate 415 along the locking screw 413, so that the steel belt 412 is pulled into the upper sleeve 411 to reduce the inner diameter of the steel belt 412, and then the sleeve is firmly sleeved on the front end of the percussion drill body 1; and an evacuation power seat 423 is installed at the bottom of the upper sleeve 411.

The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, provided the structure of upper cover portion 41 in this embodiment, upper cover portion 41 of this structure includes sleeve 411, steel band 412, locking screw 413 and latch segment 414, not only can make things convenient for operating personnel to install and evacuate power seat 423, can also make things convenient for operating personnel to fix upper cover portion 41 firmly on the front end of percussion drill body 1, avoids whole handheld evacuation portion 4 to take place the circumferential displacement and influence operating personnel when drilling operation.

In one embodiment, a U-shaped guide 416 is disposed in the upper sleeve 411, the U-shaped guide 416 is connected to an inner top surface of the upper sleeve 411, the locking screw 413 and the locking block 414 are both disposed in the U-shaped guide 416, and the locking block 414 is slidably connected to an inner surface of the U-shaped guide 416.

The working principle of the technical scheme is as follows: because the debris enters the handheld portion 42 through the upper sleeve 411, the debris falls onto the locking screw 413 and the locking block 414 in the upper sleeve 411, and therefore protection needs to be provided for the locking screw 413 and the locking block 414.

The beneficial effects of the above technical scheme are that: through the design of above-mentioned structure, provide U type guide 416 in this embodiment, avoid the piece to fall on locking screw 413, make things convenient for locking screw 413 to drive locking piece 414 reciprocating motion in U type guide 416, make things convenient for operating personnel to rotate locking screw 413, prolong locking screw 413's life.

In one embodiment, the dust guide pipe 33 is connected with the transparent telescopic sleeve 31 through a clamping device 6, the upper end of the dust guide pipe 33 is provided with a clamping groove 38, the clamping device 6 comprises a first clamping mechanism 61, a second clamping mechanism 62 and a leakage-proof mechanism 63, the first clamping mechanism 61 is arranged in the clamping groove 38, the second clamping mechanism 62 is arranged at the lower part of the clamping groove 38, and the leakage-proof mechanism 63 is movably sleeved on the first clamping mechanism 61 and is connected with the second clamping mechanism 62;

the first clamping mechanism 61 includes a plurality of clamping blocks 611, a plurality of L-shaped stop levers 612, a lower retaining sleeve 613, a U-shaped retaining sleeve 614, a plurality of first spring struts 615, a sleeve 616, a first wedge-shaped retaining sleeve 617, and a plurality of second spring struts 618, the clamping blocks 611 are uniformly distributed at the upper portion of the clamping groove 38 by the first spring support bars 615, the sleeve 616 is disposed in the middle of the clamp groove 38 by a plurality of the second spring struts 618, the L-shaped stop lever 612 is disposed between the inner end of the clamp block 611 and the upper end of the sleeve 616, the lower retaining sleeve 613 is sleeved on the upper part of the outer surface of the sleeve 616, the first wedge-shaped retaining sleeve 617 is sleeved on the lower part of the outer surface of the sleeve 616, the U-shaped retaining sleeve 614 is sleeved on the upper portion of the clamping groove 38, the upper edge of the U-shaped retaining sleeve 614 is connected with the inner top surface of the clamping groove 38, and the lower edge of the U-shaped retaining sleeve 614 is sleeved on the upper portion of the sleeve 616 and abuts against the upper surface of the lower retaining sleeve 613;

the second clamping mechanism 62 comprises a second wedge-shaped retaining sleeve 621, a corrugated sleeve 622 and a plurality of third spring struts 623, the second wedge-shaped retaining sleeve 621 is sleeved on the sleeve 616 and corresponds to the first wedge-shaped retaining sleeve 617, the lower surface of the second wedge-shaped retaining sleeve 621 is respectively connected with the clamping groove 38 through the corrugated sleeve 622 and the plurality of third spring struts 623, and the corrugated sleeve 622 is sleeved outside the plurality of third spring struts 623; the leakage-proof mechanism 63 includes a wedge-shaped jacket 631, an upper rail sleeve 632, a lower clamping sleeve 633, a first leakage-proof sleeve 634, a second leakage-proof sleeve 635 and an L-shaped blocking sleeve 636, the L-shaped blocking sleeve 636 is sleeved on the lower portion of the outer surface of the sleeve 616 and is close to the second wedge-shaped blocking sleeve 621, the lower clamping sleeve 633 is sleeved on the sleeve 616, the lower surface of the lower clamping sleeve 633 is provided with a rotating groove 637 corresponding to the L-shaped blocking sleeve 636, the outer surface of the L-shaped blocking sleeve 636 is provided with a first screw tooth 638, the inner surface of the rotating groove 637 is provided with a second screw tooth 639 corresponding to the first screw tooth 638, a plurality of rolling balls 640 are further arranged between the L-shaped blocking sleeve 636 and the rotating groove 637, the upper rail sleeve 632 is arranged on the upper surface of the lower clamping sleeve 633, the wedge-shaped jacket 631 is movably sleeved on the sleeve 616 and is rotatably connected with the upper rail sleeve 632, the first leakage-proof sleeve 634, the upper rail sleeve 634, the lower rail sleeve 634 is movably sleeved on the lower surface of the lower clamping sleeve 636, and the lower clamping sleeve 633 is rotatably connected with the upper rail sleeve 633, The second leakage-proof sleeves 635 are sleeved on the upper surface of the wedge-shaped jacket 631, and the second leakage-proof sleeves 635 are positioned in the first leakage-proof sleeves 634.

The working principle of the technical scheme is as follows: in order to facilitate the convenience of an operator to install the dust guide pipe 33 on the transparent telescopic sleeve 31, an insertion hole 311 is designed at one end of the transparent telescopic sleeve 31 close to the support plate 32, the upper end of the dust guide pipe 33 is inserted into the insertion hole 311 through the clamping device 6 and connected with the transparent telescopic sleeve 31, a clamping groove 38 for installing the clamping device 6 is formed in the dust guide pipe 33, specifically, the clamping device 6 comprises a first clamping mechanism 61, a second clamping mechanism 62 and a leakage-proof mechanism 63, and the second clamping mechanism 62 is located below the leakage-proof mechanism 63 and abuts against the leakage-proof mechanism 63;

an operator rotates the leakage-proof mechanism 63 to approach the leakage-proof mechanism 63 to the transparent telescopic sleeve 31, so that the first clamping mechanism 61 and the leakage-proof mechanism 63 fix the dust guide pipe 33 and the transparent telescopic sleeve 31, specifically, the first clamping mechanism 61 comprises a plurality of clamping blocks 611, a plurality of L-shaped stop levers 612, a lower stop sleeve 613, a U-shaped stop sleeve 614, a plurality of first spring support rods 615, a sleeve 616, a first wedge-shaped stop sleeve 617 and a plurality of second spring support rods 618, the sleeve 616 is installed in the clamping groove 38 through the plurality of second spring support rods 618, and the plurality of second spring support rods 618 provides an internal elastic supporting function for the whole clamping device 6; the upper end of the sleeve 616 is provided with a lower retaining sleeve 613, the lower retaining sleeve 613 provides support for the U-shaped retaining sleeve 614, so that the U-shaped retaining sleeve 614 shields a plurality of clamping blocks 611, the clamping blocks 611 are arranged at the upper end of the clamping groove 38 through the first spring support rod 615, and the surfaces of the clamping blocks 611 can be seen to be V-shaped, so that the clamping blocks 611 are inwardly propped by an operator on one hand, the clamping blocks 611 can penetrate through the insertion holes 311 after being contracted, then the clamping blocks 611 recover under the action of the first spring support rod 615, the inner surface of the transparent telescopic sleeve 31 is clamped, and the L-shaped retaining rod 612 prevents the clamping blocks 611 from penetrating out of the U-shaped retaining sleeve 614;

then the operator rotates the lower clamping sleeve 633 again, the lower clamping sleeve 633 pushes the wedge-shaped jacket 631 upwards, as the upper rail jacking sleeve 632 is mounted on the lower clamping sleeve 633 and is rotationally connected with the wedge-shaped jacket 631, the upper rail jacking sleeve 632 reduces the friction force between the lower clamping sleeve 633 and the wedge-shaped jacket 631, the upper surface of the wedge-shaped jacket 631 is provided with a first leakage-proof sleeve 634 and a second leakage-proof sleeve 635, and the first leakage-proof sleeve 634 and the second leakage-proof sleeve 635 are pushed against the outer surface of the transparent telescopic sleeve 31 on the wedge-shaped jacket 631 to play a role in leakage prevention; the lower clamping sleeve 633 moves upwards along the L-shaped stop sleeve 636 through the rotating groove 637, and the first screw tooth 638, the second screw tooth 639 and the rolling ball 640 facilitate the resistance for an operator to use the lower clamping sleeve 633 to rotate the lower clamping sleeve 633;

the second clamping mechanism 62 is located at the lower end of the clamping groove 38, the second clamping mechanism 62 includes a second wedge-shaped retaining sleeve 621, a corrugated sleeve 622 and a plurality of third spring support bars 623, the second wedge-shaped retaining sleeve 621 is elastically connected with the clamping groove 38 through the plurality of third spring support bars 623, the second wedge-shaped retaining sleeve 621 is supported upwards by the plurality of third spring support bars 623 and abuts against the lower clamping sleeve 633, the corrugated sleeve 622 is also arranged between the second wedge-shaped retaining sleeve 621 and the lower clamping sleeve 633, so that the corrugated sleeves 622 above and below the second wedge-shaped retaining sleeve 621 play a role in preventing debris from entering the clamping device 6, and the second wedge-shaped retaining sleeve 621 is blocked by the first wedge-shaped retaining sleeve 617 in the first clamping mechanism 61.

The beneficial effects of the above technical scheme are that: through the design of the above structure, in the structure of the clamping device 6 in the embodiment, the clamping device 6 comprises the first clamping mechanism 61, the second clamping mechanism 62 and the leakage-proof mechanism 63, so that an operator can conveniently use the clamping device 6 to connect the dust guide pipe 33 and the transparent telescopic sleeve 31, and the chips generated by the drilling action are prevented from leaking from the insertion hole 311; other debris is also prevented from entering the clamping device 6 and affecting the normal use of the clamping device 6; moreover, the clamping device 6 is convenient for an operator to take the dust guide pipe 33 off the transparent telescopic sleeve 31, and the practicability is good.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

While embodiments of the invention have been disclosed above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.

Claims

1. A percussion drill based on acoustic signal control, comprising: the device comprises a percussion drill body (1) and a sound recognition mechanism (5), wherein the sound recognition mechanism (5) is arranged on the percussion drill body (1), and the sound recognition mechanism (5) is used for recognizing sound generated when the percussion drill body (1) encounters different media after drilling into the surface of concrete and controlling the work of the percussion drill body (1) according to the difference of sound threshold values;

the percussion drill comprises a percussion drill body (1), and is characterized in that an evacuation mechanism (2) is arranged on the percussion drill body (1), the evacuation mechanism (2) comprises an evacuation sleeve (3) and a handheld evacuation part (4), the handheld evacuation part (4) is detachably arranged at the front end of the percussion drill body (1), the evacuation sleeve (3) is sleeved on a drill bit (11) of the percussion drill body (1), the tail end of the evacuation sleeve (3) is connected with the upper end of the handheld evacuation part (4), and the handheld evacuation part (4) is communicated with the evacuation sleeve (3) and used for evacuating debris generated during operation of the percussion drill body (1);

the evacuation sleeve (3) comprises a transparent telescopic sleeve (31), a support plate (32) and a dust guide pipe (33), the support plate (32) is sleeved at the front end of the percussion drill body (1), the tail end of the transparent telescopic sleeve (31) is in threaded connection with the front surface of the support plate (32) and sleeved on the drill bit (11), the upper end of the dust guide pipe (33) is communicated with the transparent telescopic sleeve (31), and the lower end of the dust guide pipe is communicated with the handheld evacuation part (4);

the dust guide pipe (33) is connected with the transparent telescopic sleeve (31) through a clamping device (6), a clamping groove (38) is formed in the upper end of the dust guide pipe (33), the clamping device (6) comprises a first clamping mechanism (61), a second clamping mechanism (62) and a leakage-proof mechanism (63), the first clamping mechanism (61) is arranged in the clamping groove (38), the second clamping mechanism (62) is arranged at the lower part of the clamping groove (38), and the leakage-proof mechanism (63) is movably sleeved on the first clamping mechanism (61) and is connected with the second clamping mechanism (62);

the first clamping mechanism (61) comprises a plurality of clamping blocks (611), a plurality of L-shaped stop levers (612), a lower stop sleeve (613), a U-shaped stop sleeve (614), a plurality of first spring support rods (615), a sleeve (616), a first wedge-shaped stop sleeve (617) and a plurality of second spring support rods (618), the clamping blocks (611) are uniformly distributed at the upper part of the clamping groove (38) through the first spring support rods (615), the sleeve (616) is arranged at the middle part of the clamping groove (38) through the plurality of second spring support rods (618), the L-shaped stop levers (612) are arranged between the inner ends of the clamping blocks (611) and the upper end of the sleeve (616), the lower stop sleeve (613) is sleeved at the upper part of the outer surface of the sleeve (616), the first wedge-shaped stop sleeve (617) is sleeved at the lower part of the outer surface of the sleeve (616), and the U-shaped stop sleeve (614) is sleeved at the upper part of the clamping groove (38), the upper edge of the U-shaped blocking sleeve (614) is connected with the clamping groove (38), and the lower edge of the U-shaped blocking sleeve is sleeved on the upper part of the sleeve (616) and abuts against the upper surface of the lower blocking sleeve (613);

the second clamping mechanism (62) comprises a second wedge-shaped blocking sleeve (621), a corrugated sleeve (622) and a plurality of third spring supporting rods (623), the second wedge-shaped blocking sleeve (621) is sleeved on the sleeve (616) and corresponds to the first wedge-shaped blocking sleeve (617), the lower surface of the second wedge-shaped blocking sleeve (621) is connected with the inner bottom surface of the clamping groove (38) through the corrugated sleeve (622) and the plurality of third spring supporting rods (623) respectively, and the corrugated sleeve (622) is sleeved outside the plurality of third spring supporting rods (623); the leakage-proof mechanism (63) comprises a wedge-shaped jacket (631), an upper top rail sleeve (632), a lower clamping sleeve (633), a first leakage-proof sleeve (634), a second leakage-proof sleeve (635) and an L-shaped blocking sleeve (636), wherein the L-shaped blocking sleeve (636) is sleeved on the lower portion of the outer surface of the sleeve (616) and is close to the second wedge-shaped blocking sleeve (621), the lower clamping sleeve (633) is sleeved on the sleeve (616) and the lower surface of the lower clamping sleeve is provided with a rotating groove (637) corresponding to the L-shaped blocking sleeve (636), the outer surface of the L-shaped blocking sleeve (636) is provided with a first thread (638), the inner surface of the rotating groove (637) is provided with a second thread (639) corresponding to the first thread (638), the L-shaped blocking sleeve (636) is further provided with a plurality of rolling grooves (640), the upper top rail rolling ball sleeve (632) is arranged on the upper surface of the lower clamping sleeve (633), the wedge-shaped jacket (631) is movably sleeved on the sleeve (616) and is rotatably connected with the upper head rail sleeve (632), the first leakage-proof sleeve (634) and the second leakage-proof sleeve (635) are sleeved on the upper surface of the wedge-shaped jacket (631), and the second leakage-proof sleeve (635) is positioned in the first leakage-proof sleeve (634).

2. The percussion drill based on sound wave signal control according to claim 1, wherein the sound recognition mechanism (5) comprises a casing (51), a sound collector (52), a sound recognition module (53), an alarm module (54) and a control module (55), the casing (51) is arranged on the handle (12) of the percussion drill body (1), the sound collector (52), the sound recognition module (53) and the control module (55) are all arranged in the casing (51), the alarm module (54) is arranged on the outer surface of the casing (51), the sound collector (52) is electrically connected with the sound recognition module (53), the sound recognition module (53) and the alarm module (54) are electrically connected with the control module (55), the control module (55) is respectively connected with a start switch of the percussion drill body (1), The power supply part is electrically connected.

3. The sonic signal-based hammer drill of claim 1, further comprising: depth scale pole (7), be provided with protrusion board (34) on the outside table of backup pad (32), be provided with via hole (35) on protrusion board (34), depth scale pole (7) set up in via hole (35), be provided with on the outside table of protrusion board (34) with regulation screw (36) of via hole (35) intercommunication, threaded connection has adjusting screw (37) in regulation screw (36), adjusting screw (37) are used for supporting depth scale pole (7).

4. The percussion drill based on sound wave signal control according to claim 1, wherein the handheld evacuation portion (4) comprises an upper sleeve portion (41) and a handheld handle (42), the upper sleeve portion (41) is sleeved at the front end of the percussion drill body (1), the handheld handle (42) is arranged at the lower end of the upper sleeve portion (41) and communicated with the evacuation sleeve (3), the handheld handle (42) comprises a handheld barrel (421), a dust collection net sleeve (422) and an evacuation power seat (423), the handheld barrel (421) is screwed to the bottom of the upper sleeve portion (41), the dust collection net sleeve (422) is arranged in the handheld barrel (421), and the evacuation power seat (423) is screwed to the lower end of the handheld barrel (421).

5. The sonic signal-control-based impact drill according to claim 4, wherein the evacuation power socket (423) comprises a socket cylinder (4231), an evacuation motor (4232), a vane socket (4233), and a battery block (4234), the socket cylinder (4231) is open at both upper and lower ends thereof and is provided with a socket bottom plate (4235) at a lower end thereof, the upper end of the socket cylinder (4231) is screw-coupled with the bottom of the upper sleeve part (41), the inner upper part of the socket cylinder (4231) is provided with a motor socket (4236), the evacuation motor (4232) is disposed in the motor socket (4236), the vane socket (4233) is disposed on an output shaft of the evacuation motor (4232), the battery block (4234) is disposed at the inner lower part of the socket cylinder (4231), the outer wall of the socket cylinder (4231) is provided with a motor switch (4237), a plurality of through holes (4238), and the battery block (4234) is electrically connected with the evacuation motor (4232) through the motor switch (4237), the plurality of through holes (4238) are respectively communicated with the inner upper part and the inner lower part of the seat cylinder (4231).

6. The sonic signal control-based hammer drill of claim 4, the upper sleeve part (41) comprises an upper sleeve (411), a steel belt (412), a locking screw (413) and a locking block (414), one end of the locking screw rod (413) is rotatably connected in the upper sleeve (411), the other end of the locking screw rod penetrates through the upper sleeve (411) and is connected with a rotating plate (415), the locking block is slidably arranged in the upper sleeve (411), and is in threaded connection with the locking screw (413), one end of the steel belt (412) is connected with the upper end of the upper sleeve (411), the other end of the steel belt passes through the upper end of the upper sleeve (411) and extends to be connected with the locking block (414), the evacuation power seat (423) is screwed with the upper sleeve (411), and the evacuation sleeve (3) is communicated with the upper sleeve (411).

7. The sonic signal control-based hammer drill of claim 6, wherein a U-shaped guide seat (416) is arranged in the upper sleeve (411), the U-shaped guide seat (416) is connected with the inner top surface of the upper sleeve (411), the locking screw (413) and the locking block (414) are both positioned in the U-shaped guide seat (416), and the locking block (414) is connected with the inner surface of the U-shaped guide seat (416) in a sliding manner.