Rock drill water supply device and rock drill

Abstract

The invention provides a rock drill water supply device, and relates to the technical field of rock drills. Comprising a water tank arranged in the drill jumbo and pressure supply equipment arranged in the drill jumbo, the output end of the pressure supply equipment is communicated with the water tank, a water outlet is formed in the bottom of the water tank, the water inlet pipe sleeve is communicated with a rock drill water inlet pipeline, and a water inlet communicated with the water outlet is formed in the side wall of the water inlet pipe sleeve. A sealing rod is slidably arranged in the water inlet pipe sleeve, a control assembly used for controlling the sealing rod to reciprocate is arranged in the water inlet pipe sleeve, and the water inlet and the rock drill water inlet pipeline are periodically communicated under the limitation of the sealing rod; the water body periodically enters the drill hole, so that the problem that the water body cannot be supplied in the water tank due to water body waste caused by continuous entering of the water body into the drill hole is avoided; according to the structure, kinetic energy generated when the pressure relief holes in the rock drill body guide gas outwards for pressure relief can be recycled, resources can be saved, and the energy utilization efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of rock drills, and in particular to a water supply device for a rock drill and a rock drill. Background Art

[0002] During rock construction, rock drills are often needed to break rocks. Rock drills replace manpower to work with rock drills, thereby greatly reducing the labor intensity of workers. When a pneumatic rock drill is working, the air pressure alternately changes and enters the rear chamber and the front chamber of the cylinder to push the piston to move back and forth. The compressed air also acts on the rear cover or the front cover of the cylinder to make the rock drill move backward or forward, and the drill rod in the rock drill vibrates to generate a drilling force. At present, rock drills are generally provided with water pipe elbows. When in use, an external water source is passed through a water pipe into the drill rod in the rock drill, so that the rock drill performs wet drilling, which is conducive to rapid rock breaking. At the same time, the rock slag is discharged from the borehole to form a circular borehole of a certain depth. However, when water is continuously injected into the drill rod, water resources are easily wasted.

[0003] In addition, during the high-frequency reciprocating movement of the piston in the rock drill, compressed gas will be used to reset the piston. However, a certain amount of kinetic energy is generated during the gas compression process. The kinetic energy here is contained in the compressed gas. The gas is guided outward through the pressure relief holes provided on the rock drill body to release the pressure, thereby avoiding the occurrence of cylinder explosion. However, the kinetic energy overflows due to the pressure relief, thus causing unnecessary energy loss. Summary of the invention

[0004] The object of the present invention is to provide a water supply device for a rock drill, which can solve the problems raised by the above-mentioned background technology in view of the shortcomings of the prior art.

[0005] The technical solution of the present invention is achieved in this way:

[0006] The present invention provides a water supply device for a rock drill, comprising a water tank arranged in a rock drilling trolley and a pressure supply device arranged in the rock drilling trolley, wherein the output end of the pressure supply device is connected to the water tank, a water outlet is arranged at the bottom of the water tank, and the device further comprises a water inlet sleeve connected to a water inlet pipeline of the rock drill, a water inlet connected to the water outlet is arranged on the side wall of the water inlet sleeve, a closing rod is slidably arranged in the water inlet sleeve, a control component for controlling the reciprocating motion of the closing rod is arranged in the water inlet sleeve, and the water inlet and the water inlet pipeline of the rock drill are periodically connected under the restriction of the closing rod.

[0007] In some technical schemes of the present invention, the control component includes an installation sleeve, which is connected to the water inlet pipe sleeve, a sliding seat slidably arranged in the water inlet pipe sleeve inside the installation sleeve, the sliding seat is connected to the closing rod, a return spring is provided at the end of the sliding seat away from the closing rod, a gap is provided between the sliding seat and the inner side wall of the installation sleeve close to the water inlet pipe sleeve, an air hole connected to the gap is provided on the side wall of the installation sleeve, a one-way valve is provided at the air hole, the one-way valve is connected to the pressure relief hole of the rock drill, an exhaust hole connected to the gap is provided on the side wall where the installation sleeve is connected to the water inlet pipe sleeve, and an exhaust pipeline is provided at the exhaust hole.

[0008] In some technical solutions of the present invention, an installation groove is provided on the outer side wall of the closing rod, and a sealing ring is embedded in the installation groove.

[0009] In some technical schemes of the present invention, it also includes an air supply sleeve mounted on the fiber rod of the rock drill, a gas storage cavity is opened in the air supply sleeve, a plurality of air guide holes connected to the gas storage cavity are arranged around the side wall of the air supply sleeve, and the exhaust pipeline is connected to the gas storage cavity.

[0010] In some technical solutions of the present invention, a driving assembly for driving the gas delivery sleeve to reciprocate on the rock drill fiber rod is provided on the rock drill body.

[0011] In some technical schemes of the present invention, the driving assembly includes a guide tube, a guide rod connected to the air delivery sleeve is inserted into the guide tube, a rack is provided at the end of the guide rod placed in the guide tube, a gear that engages with the rack is rotatably provided in the guide tube, an installation opening is provided on the outer wall of the guide tube, a lever connected to the gear is provided in the installation opening, a branch pipeline connected to the exhaust pipeline is provided on the outer wall of the guide tube, the free end of the branch pipeline is opposite to the lever, and a limit spring connected to the guide tube is sleeved on the guide rod.

[0012] In some technical schemes of the present invention, an adsorption tube is provided on the guide tube, a part of the adsorption tube is embedded in the drill hole, a slag discharge port is opened on the outer wall of the adsorption tube, an adsorption piston is slidably provided in the adsorption tube, a rod body coaxial with the adsorption tube is provided on the piston, a spring part connected to the inner wall of the adsorption tube is provided on the rod body, and the rod body is connected to the rack transmission. When the guide rod pulls the gas transmission sleeve to move away from the drill hole, the rack pushes the rod body to gradually move out of the adsorption tube.

[0013] In some technical solutions of the present invention, a sealing cover is provided in the installation opening, a part of the lever is placed in the sealing cover, and the free end of the branch pipeline is connected to the sealing cover.

[0014] In some technical solutions of the present invention, a force-bearing plate is provided on the free end of the shifting rod.

[0015] A rock drill includes a water supply device for the rock drill.

[0016] Compared with the prior art, the present invention has at least the following advantages or beneficial effects:

[0017] This structure allows water to enter the borehole periodically, avoiding water waste caused by continuous water entering the borehole, which results in insufficient water supply in the water tank and reduced drilling efficiency of the rock drill. The above structure can realize the first use of the kinetic energy generated when the pressure relief hole on the rock drill body guides the gas outward for pressure relief, which is conducive to saving resources and improving energy utilization efficiency;

[0018] When the gas delivery sleeve sleeved on the fiber rod of the rock drill enters the borehole with the fiber rod, the kinetic energy generated by the gas discharged from the pressure relief hole on the rock drill body when entering between the sliding seat and the mounting sleeve can be secondary utilized, that is, the gas is introduced into the borehole, and the mud formed by the water body and the broken rock drilled by the drill rod is blown out of the borehole by using the high-pressure gas, thereby avoiding the use of a large amount of high-pressure liquid to clean the above-mentioned excavated materials, thereby achieving the purpose of saving resources; an adsorption tube is provided on the guide tube, and a part of the adsorption tube is embedded in the borehole, a slag discharge port is provided on the outer wall of the adsorption tube, an adsorption piston is slidably provided in the adsorption tube, and a The rod body is coaxial with the adsorption tube, and a spring part connected to the inner wall of the adsorption tube is provided on the rod body. The rod body is connected to the rack transmission; when the high-pressure gas does not apply a thrust to the lever, the limit spring applies a reverse thrust to the guide rod, forcing the rack to push the optical axis to move out of the guide sleeve. At this time, when the guide rod pulls the gas transmission sleeve to move away from the borehole, the optical axis on the rack will push the top plate connected to the rod body, exerting a pulling force on the rod body, causing it to gradually move out of the adsorption tube, thereby utilizing the adsorption force generated by the adsorption piston in the adsorption tube to suck the mud formed by the broken rock drilled by the drill rod out of the borehole, thereby improving the mud cleaning ability of the structure and achieving the purpose of saving resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0020] Figure 1 It is a front view structural schematic diagram of the present invention;

[0021] Figure 2 It is a schematic diagram of the partial installation structure of the rock drill and the water supply structure of the present invention;

[0022] Figure 3 It is a schematic diagram of the combination of the fiber rod, the water inlet pipe sleeve and the guide pipe of the present invention;

[0023] Figure 4 It is a schematic cross-sectional structural diagram of the water inlet pipe sleeve in the present invention;

[0024] Figure 5 is a schematic cross-sectional structural diagram of the guide tube in the present invention;

[0025] Figure 6 It is a schematic diagram of the partial combined structure of the gas transmission sleeve and the guide rod in the present invention.

[0026] Icons: 1. Pressure supply equipment; 2. Water tank; 3. Air pipe; 4. Water outlet; 5. Drill rod; 6. Rock drill body; 7. Air storage cavity; 8. Air transmission sleeve; 9. Water inlet pipe sleeve; 10. Installation sleeve; 11. Guide sleeve; 12. Adsorption tube; 13. Guide rod; 14. Sealing cover; 15. One-way valve; 16. Water inlet; 17. Exhaust pipeline; 18. Branch pipeline; 19. Air guide hole; 20. Reset spring; 21. Sliding seat; 22. Closing rod; 23. Gap; 24. Exhaust hole; 25. Push rod; 26. Gear; 27. Rod body; 28. Rack; 29. ​​Optical axis; 30. Top plate; 31. Spring part; 32. Limit spring; 33. Guide channel; 34. Vent; 35. Sealing ring. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0028] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] Example

[0030] Please refer to Figure 1-Figure 6 shown.

[0031] The present invention provides a water supply device for a rock drill, such as Figure 1 , Figure 2As shown, the main solution is to waste water resources when the water supply device in the prior art supplies water to the rock drill, which is actually a waste of water resources when water is continuously injected into the drill rod 5; and during the high-frequency reciprocating movement of the piston in the rock drill, the gas will be compressed and reset by the gas, but a certain amount of kinetic energy is generated during the gas compression process, and the kinetic energy here is contained in the compressed gas. The gas is guided outward through the pressure relief hole arranged on the rock drill body 6 to relieve the pressure, thereby avoiding the occurrence of cylinder explosion, but the kinetic energy overflows due to the pressure relief, thereby causing unnecessary energy loss; the present structure includes a water tank 2 arranged in the rock drilling trolley and a pressure supply device 1 arranged in the rock drilling trolley, and the water tank 2 and the pressure supply device 1 can also be arranged on a mobile flatbed truck, increasing The adaptability of this structure; the output end of the pressure supply equipment 1 is connected with the top of the water tank 2 through the air pipe 3, the bottom of the water tank 2 is provided with a water outlet 4, and also includes a water inlet pipe sleeve 9 connected with the water inlet pipeline of the rock drill, and the side wall of the water inlet pipe sleeve 9 is provided with a water inlet 16 connected with the water outlet 4, and a closing rod 22 is slidably provided in the water inlet pipe sleeve 9, and a control component for controlling the reciprocating motion of the closing rod 22 is provided in the water inlet pipe sleeve 9. The water inlet 16 and the water inlet pipeline of the rock drill are periodically connected under the restriction of the closing rod 22. In this way, under the control of the control component, water can enter the borehole periodically to avoid the waste of water caused by continuous entry of water into the borehole, resulting in insufficient water supply in the water tank 2, and reducing the drilling efficiency of the rock drill.

[0032] In some technical schemes of the present invention, the control component includes a mounting sleeve 10, the mounting sleeve 10 is connected to the water inlet pipe sleeve 9 and is integrally formed, the mounting sleeve 10 is coaxial with the water inlet pipe sleeve 9, a sliding seat 21 is slidably arranged in the mounting sleeve 10 and is provided with the water inlet pipe sleeve 9, a sealing ring 35 is provided between the sliding seat 21 and the mounting sleeve 10, an internal threaded hole threadedly connected to the closing rod 22 is provided on the sliding seat 21, a return spring 20 is provided at one end of the sliding seat 21 away from the closing rod 22, a gap 23 is provided between the sliding seat 21 and the inner side wall of the mounting sleeve 10 close to the water inlet pipe sleeve 9, a vent hole 34 connected to the gap 23 is provided on the side wall of the mounting sleeve 10, a one-way valve 15 is provided at the vent hole 34, the one-way valve 15 is connected to the pressure relief hole of the rock drill, an exhaust hole 24 connected to the gap 23 is provided on the side wall where the mounting sleeve 10 is connected to the water inlet pipe sleeve 9, and an exhaust pipe 17 is provided at the exhaust hole 24;

[0033] The working process of the control component controlling water to enter the fiber rod is:

[0034] When water needs to be injected into the fiber rod, the pressure relief hole on the rock drill body 6 guides the gas outward for pressure relief, and the gas enters the gap 23 through the one-way valve 15, forcing the sliding seat 21 to squeeze the return spring 20 to compress the return spring 20, and the spacing of the gap 23 gradually increases. At this time, the sliding seat 21 will gradually pull the closing rod 22 to expose the closed water inlet 16. At this time, the water inlet 16 is connected to the water inlet pipeline of the rock drill; the pressure supply device 1 pressurizes the water in the water tank 2, and the solenoid valve arranged between the water outlet 4 and the water inlet pipe sleeve 9 is opened, and the water enters the water outlet pipe sleeve from the water outlet 4, and then flows into The water inlet pipeline of the rock drill enters the borehole through the flow channel in the fiber rod, casts the rock excavated by the fiber rod, and cools the large amount of heat generated when the fiber rod contacts the rock, thereby extending the service life of the fiber rod; when the gas discharged from the pressure relief hole on the rock drill body 6 gradually disappears, the extrusion force exerted on the sliding seat 21 by the high-pressure gas in the mounting sleeve 10 will gradually disappear; the reset spring 20 will exert a reverse thrust on the sliding seat 21 to force the closing rod 22 to return to its original position, and the water inlet 16 in the open and closed state will be closed again, and the water inlet 16 will be connected to the water inlet pipeline of the rock drill until the next cycle. The water body can enter the borehole periodically, avoiding the waste of water body caused by the continuous entry of water into the borehole, resulting in insufficient water supply in the water tank 2, and reducing the drilling efficiency of the rock drill. The above structure can realize the first use of the kinetic energy generated when the pressure relief hole on the rock drill body 6 guides the gas outward for pressure relief, which is conducive to saving resources and improving energy utilization efficiency.

[0035] In some technical solutions of the present invention, a mounting groove is provided on the outer wall of the closing rod 22, and a sealing ring 35 is embedded in the mounting groove. The provided sealing ring 35 can prevent the problem of water entering the water inlet pipe sleeve 9 and causing backflow, thereby preventing the problem of failure of the control component.

[0036] In some technical schemes of the present invention, it also includes a gas delivery sleeve 8 sleeved on the fiber rod of the rock drill, a gas storage cavity 7 is opened in the gas delivery sleeve 8, and a plurality of gas guide holes 19 connected with the gas storage cavity 7 are arranged around the side wall of the gas delivery sleeve 8, which can introduce high-pressure gas into the borehole from multiple directions, thereby improving the effect of using high-pressure gas to clean the excavated objects, and the exhaust pipeline 17 is connected with the gas storage cavity 7. When the gas delivery sleeve 8 sleeved on the fiber rod of the rock drill enters the borehole with the fiber rod, the kinetic energy generated by the gas discharged from the pressure relief hole on the rock drill body 6 between the sliding seat 21 and the mounting sleeve 10 can be secondary utilized, that is, the gas is introduced into the borehole, and the mud formed by the water body and the broken rock drilled by the drill rod 5 is blown out of the borehole by the high-pressure gas, thereby avoiding the use of a large amount of high-pressure liquid to clean the above excavated objects, thereby achieving the purpose of saving resources.

[0037] In some technical solutions of the present invention, a driving assembly for driving the gas delivery sleeve 8 to reciprocate on the fiber rod of the rock drill is provided on the rock drill body 6. This can prevent the gas delivery sleeve 8 entering the borehole along with the fiber rod from blocking the gap between the borehole and the fiber rod, resulting in the inability of the excavated material and the liquid mixed material to be smoothly discharged from the borehole, resulting in the problem of hindering the progress of the drilling of the borehole.

[0038] In some technical schemes of the present invention, the driving assembly includes a guide tube fixed on the rock drill body 6, a guide rod 13 connected to the gas sleeve 8 is inserted into the guide tube, a rack 28 is provided at the end of the guide rod 13 placed in the guide tube, and a guide groove is provided on the inner wall of the guide tube along its axial direction, a slider connected to the rack 28 is slidably provided in the guide groove, which is used to guide the guide rod 13 connected to the rack 28 to make linear reciprocating motion in the guide sleeve, a gear 26 meshing with the rack 28 is rotatably provided in the guide tube, an installation opening is provided on the outer side wall of the guide tube, a lever 25 connected to the gear 26 is provided in the installation opening, a branch pipeline 18 connected to the exhaust pipeline 17 is provided on the outer wall of the guide tube, the free end of the branch pipeline 18 is opposite to the lever 25, and a limit spring 32 connected to the guide tube is sleeved on the guide rod 13.

[0039] The working process of the driving assembly is as follows: when the high-pressure gas enters the branch pipeline 18 connected with the exhaust pipeline 17, the high-pressure gas applies a thrust to the lever 25, forcing the lever 25 to drive the gear 26 to make a counterclockwise quasi-circular motion in the guide tube. At this time, the guide rod 13 gradually moves out of the guide sleeve under the restriction of the rack 28 and the gear 26, and pushes the gas transmission sleeve 8 into the gap between the drill rod 5 and the borehole along the extension direction of the fiber rod. At this time, the limit spring 32 is in a compressed state; a plurality of gas guide holes 19 connected with the gas storage cavity 7 are arranged around the side wall of the gas transmission sleeve 8 to guide the high-pressure gas into the borehole from multiple directions, thereby improving the effect of using high-pressure gas to clean the excavated objects, and using the high-pressure gas to blow the mud formed by the water body and the broken rocks drilled by the drill rod 5 out of the borehole, avoiding the use of a large amount of high-pressure liquid to clean the above-mentioned excavated objects, thereby achieving the purpose of saving resources.

[0040] Preferably, in order to compensate for the fact that the gas generated by the rock drill when the pressure is released is insufficient to drive the above structure, an electromagnetic valve is provided at the output end of the pressure supply device 1, and the electromagnetic valve is connected to the exhaust pipeline 17 for periodically increasing the gas pressure in the input exhaust pipeline 17.

[0041] Preferably, when the water inlet pipe sleeve 9 injects liquid into the drill rod 5, the driving assembly does not work; on the contrary, when the water inlet pipe sleeve 9 does not inject liquid into the drill rod 5, the driving assembly works.

[0042] In some technical solutions of the present invention, an adsorption tube 12 is provided on the guide tube, a part of the adsorption tube 12 is embedded in the drill hole, a slag discharge port is provided on the outer wall of the adsorption tube 12, an adsorption piston is slidably provided in the adsorption tube 12, a rod body 27 coaxial with the adsorption tube 12 is provided on the piston, a spring member 31 connected to the inner wall of the adsorption tube 12 is provided on the rod body 27, and the rod body 27 is transmission-connected to the rack 28; when the high-pressure gas does not apply a thrust to the lever 25, the limit spring 32 applies a thrust to the guide rod 13 The reverse thrust forces the rack 28 to push the optical axis 29 to move out of the guide sleeve. At this time, when the guide rod 13 pulls the gas transmission sleeve 8 to move away from the borehole, the optical axis 29 on the rack 28 will push the top plate 30 connected to the rod body 27, exerting a pulling force on the rod body 27, causing it to gradually move out of the adsorption tube 12, thereby utilizing the adsorption force generated by the adsorption piston in the adsorption tube 12 to suck the mud formed by the broken rock drilled by the drill rod 5 out of the borehole, thereby improving the mud cleaning ability of the present structure and achieving the purpose of saving resources.

[0043] In some technical solutions of the present invention, a sealing cover 14 is provided in the installation opening, a part of the lever 25 is placed in the sealing cover 14, and the free end of the branch pipe 18 is connected to the sealing cover 14. This is used to prevent the high-pressure gas blown to the lever 25 from being dispersed, resulting in the problem that the force exerted by the high-pressure gas on the lever 25 cannot be fully applied to the lever 25.

[0044] Preferably, a guide channel 33 is provided in the guide rod 13, and the guide channel 33 is communicated with the gas storage chamber for guiding the high-pressure gas into the gas storage chamber to avoid waste of the high-pressure gas and loss of kinetic energy.

[0045] Preferably, the end of the guide sleeve 11 is in a closed state, and an optical axis 29 is provided on the rack 28 to penetrate the closed end of the guide sleeve 11 and then extend outward.

[0046] In some technical solutions of the present invention, a force-bearing plate is provided on the free end of the lever 25 to increase the force-bearing area of ​​the lever 25 .

[0047] A rock drill includes a water supply device for the rock drill.

[0048] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A water supply device for a rock drill, comprising a water tank arranged in a rock drilling trolley and a pressure supply device arranged in the rock drilling trolley, wherein the output end of the pressure supply device is connected to the water tank, and a water outlet is arranged at the bottom of the water tank, wherein: It also includes a water inlet sleeve connected to the water inlet pipeline of the rock drill, a water inlet connected to the water outlet is provided on the side wall of the water inlet sleeve, a closing rod is slidably provided in the water inlet sleeve, a control component for controlling the reciprocating motion of the closing rod is provided in the water inlet sleeve, and the water inlet and the water inlet pipeline of the rock drill are periodically connected under the restriction of the closing rod.

2. A rock drill water supply device according to claim 1, characterized in that: The control component includes a mounting sleeve, which is connected to the water inlet pipe sleeve, a sliding seat slidably arranged in the mounting sleeve on the water inlet pipe sleeve, the sliding seat is connected to the closing rod, a return spring is provided at the end of the sliding seat away from the closing rod, a gap is provided between the sliding seat and the inner side wall of the mounting sleeve close to the water inlet pipe sleeve, an air vent connected to the gap is provided on the side wall of the mounting sleeve, a one-way valve is provided at the air vent, the one-way valve is connected to the pressure relief hole of the rock drill, an exhaust hole connected to the gap is provided on the side wall where the mounting sleeve is connected to the water inlet pipe sleeve, and an exhaust pipeline is provided at the exhaust hole.

3. A rock drill water supply device according to claim 2, characterized in that: An installation groove is provided on the outer side wall of the closing rod, and a sealing ring is embedded in the installation groove.

4. A rock drill water supply device according to claim 2, characterized in that: It also includes an air delivery sleeve sleeved on the rock drill fiber rod, wherein an air storage cavity is opened in the air delivery sleeve, and a plurality of air guide holes connected to the air storage cavity are arranged around the side wall of the air delivery sleeve, and the exhaust pipeline is connected to the air storage cavity.

5. A rock drill water supply device according to claim 4, characterized in that: The rock drill body is provided with a driving assembly for driving the gas delivery sleeve to reciprocate on the rock drill fiber rod.

6. A rock drill water supply device according to claim 5, characterized in that: The driving assembly includes a guide tube, a guide rod connected to the air delivery sleeve is passed through the guide tube, a rack is provided at the end of the guide rod placed in the guide tube, a gear rotatably engaged with the rack is provided in the guide tube, an installation opening is provided on the outer wall of the guide tube, a lever connected to the gear is provided in the installation opening, a branch pipeline connected to the exhaust pipeline is provided on the outer wall of the guide tube, the free end of the branch pipeline is opposite to the lever, and a limit spring connected to the guide tube is sleeved on the guide rod.

7. A rock drill water supply device according to claim 6, characterized in that: An adsorption tube is provided on the guide tube, and a part of the adsorption tube is embedded in the drill hole. A slag discharge port is provided on the outer wall of the adsorption tube. An adsorption piston is slidably provided in the adsorption tube. A rod body coaxial with the adsorption tube is provided on the piston. A spring part connected to the inner wall of the adsorption tube is provided on the rod body. The rod body is connected to the rack transmission. When the guide rod pulls the gas transmission sleeve to move away from the drill hole, the rack pushes the rod body to gradually move out of the adsorption tube.

8. A rock drill water supply device according to claim 6, characterized in that: A sealing cover is arranged in the installation opening, a part of the shifting rod is placed in the sealing cover, and the free end of the branch pipeline is communicated with the sealing cover.

9. A rock drill water supply device according to claim 8, characterized in that: A force-bearing plate is arranged on the free end of the shifting rod.

10. A rock drill, characterized in that: It comprises a rock drill water supply device as described in any one of claims 1 to 9.

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