Hydraulic hole punching device and method

Abstract

The application discloses a hydraulic punching device and a hydraulic punching method, which comprise a drill rod connected with a drilling machine, the drill rod is connected with a high-pressure water punching drill bit, the drill rod and the high-pressure water punching drill bit are connected through hollow connecting rods, the connecting rods and the high-pressure water punching drill bit are connected through threaded pairs, the connecting rods and the drill rod are connected through threaded pairs, the screwing directions of the threaded pairs between the connecting rods and the high-pressure water punching drill bit and between the connecting rods and the drill rod are opposite to the forward rotation direction of the drilling machine, the inner holes of the connecting rods are provided with swirl plates, and the swirl plates make the swirl directions of the high-pressure water opposite to the screwing directions of the threaded pairs. Through the connecting rods provided with the swirl plates, the inertia force generated by the reverse rotation of the drill rod is offset by the reverse force of the high-pressure water, the falling of the drill rod is avoided, the drill rod can be reversely rotated, the mechanical state of the coal cinder accumulation can be fully destroyed, and the technical problem of the falling of the drill rod during the reverse rotation is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of hydraulic flushing, in particular to a hydraulic flushing device and a hydraulic flushing method. BACKGROUND

[0002] Hydraulic flushing refers to a method of using water jet sprayed during drilling by a drilling machine to flush out coal and gas in a protruding coal seam or induce a controllable small outburst, so as to cause pressure relief of the coal body, discharge gas, and eliminate mining outburst danger.

[0003] During the hydraulic flushing process, backflow of water and discharge of slag often block the drill hole. Although the rotation of the drill rod can cause secondary damage to the broken coal slag and damage the mechanical stability of the coal slag when it is accumulated in the drill hole, the single rotation of the drill rod is not sufficient to damage the mechanical state of the coal slag accumulation, because the drill rod can only rotate in one direction. Therefore, the conventional drill rod cannot solve the technical problem of backflow of water and discharge of slag often blocking the drill hole.

[0004] After searching, a Chinese invention patent application with the application publication date of April 2, 2019 and the application publication number of CN 109555481 A discloses a hydraulic flushing drill hole three-stage coal breaking anti-blocking device and method, which comprises sequentially connected first, second and third coal breaking devices. Each coal breaking device is composed of a drill rod and a coal breaking spike fixed around the column surface of the drill rod. The number of coal breaking spikes on the first, second and third coal breaking devices increases sequentially. When the device rotates at high speed, the first coal breaking device breaks large coal bodies into medium coal bodies, the second coal breaking device breaks the coal bodies into small pieces, and finally the third coal breaking device breaks the coal bodies into small coal particles that can be smoothly discharged from the drill hole.

[0005] The technical solution of the above-mentioned invention patent application can solve the blocking problem to some extent, but it can only rotate in one direction and cannot fully and reliably solve the blocking problem. In addition, the technical solution of the above-mentioned invention patent application adopts a multi-stage coal breaking device and other mechanical structures. Both the multi-stage coal breaking device and the high-pressure water flushing drill bit need to be driven by the drill rod to rotate and break the coal pieces. Even if the various coal pieces can be broken smoothly, it will also cause an increase in resistance and overloading, which seriously affects the service life of the drilling machine, and there is also a risk of being stuck without breaking the coal pieces. SUMMARY

[0006] In view of the deficiencies in the above background art, the present application proposes a hydraulic flushing device and a hydraulic flushing method, which solves the technical problem of backflow of water and discharge of slag blocking the drill hole when using the existing hydraulic flushing device.

[0007] The technical solution of the present application is as follows:

[0008] A kind of hydraulic punching device, including the drill rod being connected with drilling machine, drill rod is connected with high-pressure water punch drill, the drill rod with high-pressure water punch drill between, adjacent drill rod is connected by hollow connecting rod, the connecting rod with high-pressure water punch drill between, connecting rod with drill rod between are connected by threaded pair, the threaded pair of connecting rod with high-pressure water punch drill between, connecting rod with drill rod between are tightened in the direction opposite to the positive rotation direction of drilling machine, the inner hole of the connecting rod is provided with cyclone plate, the cyclone plate makes the cyclone direction of high-pressure water opposite to the threaded pair tightening direction.

[0009] Further, the inner diameter of the drill rod, the inner diameter of high-pressure water punch drill, the inner diameter of connecting rod are same, the cyclone plate is located in the flow cross section of connecting rod.

[0010] Further, the upper and lower ends of the connecting rod are provided with counterbore, the inner wall of counterbore is provided with internal thread, the upper and lower ends of the drill rod, the connecting end of high-pressure water punch drill are provided with the protruding small diameter section, the outer wall of small diameter section is provided with the external thread matched with the internal thread.

[0011] Further, the outer diameter of the drill rod, the outer diameter of high-pressure water punch drill, the outer diameter of connecting rod are same, the length of small diameter section is equal to the depth of counterbore.

[0012] Further, the high-pressure water punch drill includes the axial section being communicated with connecting rod, the hollow radial section is connected to the end of axial section away from connecting rod, radial section is coaxially arranged with axial section and is communicated with each other, radial section is provided with radial jet hole and axial jet hole.

[0013] Further, the diameter of radial section is greater than the diameter of axial section, axial section and radial section are inserted into each other, the top of axial section is sealingly connected with the bottom surface of top plate of radial section, the bottom plate of radial section is sealingly connected with the outer wall of axial section, the part of axial section between the top plate and bottom plate is provided with the communication hole for communicating the inner hole of axial section with the inner cavity of radial section.

[0014] Further, the radial jet hole is arranged on the circumferential wall of radial section, the axial jet hole is arranged on the top plate between the circumferential wall and the outer wall of axial section, the radial jet hole and axial jet hole are provided with two, two radial jet holes are symmetrically arranged about axial section, two axial jet holes are symmetrically arranged about axial section.

[0015] Further, two fixed blocks are arranged between the inner wall of the circumferential wall and the outer wall of the axial section, the two fixed blocks are symmetrically arranged about the axial section and divide the inner cavity of the radial section into a first cavity and a second cavity, the communication hole is provided with two and respectively communicates with the first cavity and the second cavity, the first cavity is provided with a first sliding block and the second cavity is provided with a second sliding block, one radial jet hole and one axial jet hole communicate with the first cavity, and the other radial jet hole and the other axial jet hole communicate with the second cavity; when the drilling machine rotates forward, the first sliding block and the second sliding block are both blocked between the communication hole and the axial jet hole and the communication hole and the radial jet hole are communicated; when the drilling machine reversely rotates, the first sliding block and the second sliding block are both blocked between the communication hole and the radial jet hole and the communication hole and the axial jet hole are communicated.

[0016] Further, the top surface of the first sliding block is in sliding seal with the top plate, the bottom surface is in sliding seal with the bottom plate, the outer peripheral surface is in sliding seal with the circumferential wall, and the inner peripheral surface is in sliding seal between the outer wall of the axial section, the left end and the right end of the first sliding block are both provided with protruding arc-shaped profile surfaces, the left end surface and the right end surface of the fixed block are both planar profile surfaces, and the structure of the second sliding block is the same as that of the first sliding block.

[0017] A hydraulic punching method using the hydraulic punching device, controlling the drilling machine to rotate forward, the drilling machine driving the drill rod, the connecting rod and the high-pressure water punching drill bit to rotate forward synchronously, under the action of the inertial force, the threaded pair has a tendency to tighten, and the high-pressure water is transported to the high-pressure water punching drill bit through the drill rod and the connecting rod, the high-pressure water acting on the cyclone plate has a circumferential rotation component and an axial component, under the action of the circumferential rotation component, the threaded pair has a tendency to tighten, the first sliding block and the second sliding block are both blocked between the communication hole and the axial jet hole and the communication hole and the radial jet hole are communicated, and the high-pressure water impacts in the circumferential direction through the radial jet hole;

[0018] Controlling the drilling machine to rotate reversely, the drilling machine driving the drill rod, the connecting rod and the high-pressure water punching drill bit to rotate reversely synchronously, under the action of the inertial force, the threaded pair has a tendency to loosen, and the high-pressure water is transported to the high-pressure water punching drill bit through the drill rod and the connecting rod, the high-pressure water acting on the cyclone plate has a circumferential rotation component and an axial component, under the action of the circumferential rotation component, the threaded pair has a tendency to tighten and the tendency to loosen of the threaded pair is mutually offset, the first sliding block and the second sliding block are both blocked between the communication hole and the radial jet hole and the communication hole and the axial jet hole are communicated, and the high-pressure water impacts in the axial direction through the axial jet hole;

[0019] During the drilling process, the drilling rig is controlled to rotate in reverse, and high-pressure water is ejected through the axial jet holes. The borehole is drilled vertically with the jet. After drilling a certain distance, the drilling rig is controlled to rotate in the forward direction, and high-pressure water is ejected through the radial jet holes to impact and enlarge the borehole after drilling a certain distance. Alternatively, after the borehole is formed, the drilling rig is controlled to rotate in both forward and reverse directions alternately. High-pressure water is ejected from the radial jet holes to enlarge the borehole and eject the excavated soil. The high-pressure water ejected from the axial jet holes increases the return water in the borehole and improves the transport capacity of the excavated soil, ensuring that the excavated soil is smoothly discharged from the hole.

[0020] This invention provides a hydraulic perforation device and method. By controlling the forward and reverse rotation of the drill rod, it can perform secondary damage on crushed coal slag and fully disrupt the mechanical stability of the coal slag accumulation within the borehole. By incorporating a connecting rod with a swirl plate, the inertial force generated by the reverse rotation of the drill rod is counteracted by the reverse force of the high-pressure water, preventing the drill rod from detaching. This allows for both forward and reverse rotation of the drill rod, effectively disrupting the mechanical state of the accumulated coal slag and overcoming the technical problem of the drill rod detaching during reverse rotation. Furthermore, by incorporating a slider, high-pressure water jets in different directions are automatically activated during forward and reverse rotation of the drill rod, further improving the drilling, hole enlargement, and slag removal efficiency. Attached Figure Description

[0021] To more clearly illustrate the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 The front view of the drill rod, connecting rod and high-pressure water jetting drill bit of the present invention after assembly;

[0023] Figure 2 : Figure 1 Top view;

[0024] Figure 3 : Figure 1 A partial sectional view;

[0025] Figure 4 : Figure 1 A cross-sectional view of the AA plane;

[0026] Figure 5 Internal state diagram of the high-pressure water-jetting drill bit when the drilling rig is rotating in the forward direction;

[0027] Figure 6 Internal state diagram of the high-pressure water-jet drill bit when the drilling rig rotates in the reverse direction;

[0028] 1: Drill pipe; 11: Small diameter section;

[0029] 2: high-pressure water flushing drill bit; 21: axial section; 22: radial section; 221: top plate; 222: bottom plate; 223: circumferential wall; 23: radial jet hole; 24: axial jet hole; 25: communication hole; 26: fixing block; 261: planar profile surface;

[0030] 3: connecting rod; 31: cyclone plate; 32: counterbore;

[0031] 4: first cavity; 41: first sliding block; 411: arc-shaped profile surface;

[0032] 5: second cavity; 51: second sliding block. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0034] A hydraulic flushing device, as shown in Figure 1 and Figure 2 , comprises a drill rod 1 connected with a drilling machine, the drill rod 1 is connected with a high-pressure water flushing drill bit 2, the drilling machine can drive the drill rod 1 and the high-pressure water flushing drill bit 2 to rotate synchronously, and at the same time, the drilling machine can provide continuous high-pressure water to the high-pressure water flushing drill bit 2 through the drill rod 1. The drilling machine is prior art, which is not shown in the figure.

[0035] Specifically, the drill rod 1 and the high-pressure water flushing drill bit 2, and the drill rod 1 and the connecting rod 3 are connected through hollow connecting rods 3. That is, the drill rod 1 and the connecting rod 3 are extended, and when the drilling machine drives the drill rod 1 to rotate synchronously, the connecting rod 3 rotates synchronously.

[0036] The connecting rod 3 and the high-pressure water flushing drill bit 2, and the connecting rod 3 and the drill rod 1 are connected through threaded pairs, and the threaded pairs between the connecting rod 3 and the high-pressure water flushing drill bit 2, and the threaded pairs between the connecting rod 3 and the drill rod 1 are screwed in the opposite direction of the forward rotation direction of the drilling machine. Then, when the drilling machine rotates forward, due to the existence of inertial force, the threaded pairs have the power of screwing, which avoids the drill rod 1 from falling off, and this part of structure is the prior art in the fields of electric drills, drilling machines, electric saws, fans, etc. However, only the above-mentioned structure of the drilling machine cannot rotate reversely, and if the drilling machine rotates reversely, the inertial force and the frictional resistance can easily cause the drill rod to fall off.

[0037] As shown in Figure 3As shown, the inner hole of the connecting rod 3 is provided with a cyclone plate 31, and the cyclone plate 31 makes the cyclone direction of the high-pressure water opposite to the tightening direction of the threaded pair. When the high-pressure water passes through the connecting rod 3, the high-pressure water with opposite rotation will apply a circumferential force in the opposite direction to the cyclone plate, and the circumferential force will be counteracted by the inertial force and the frictional resistance, thereby avoiding the drill rod 1 from falling off. Therefore, during the forward rotation and reverse rotation of the drill rod, the drill rod will not fall off, and the forward rotation and reverse rotation of the drill rod 1 can be utilized to fully destroy the mechanical state of the coal residue accumulation, thereby avoiding blockage.

[0038] On the basis of the above-mentioned embodiment, as a preferred embodiment, the inner diameter of the drill rod 1, the inner diameter of the high-pressure water jetting drill bit 2, and the inner diameter of the connecting rod 3 are the same, which not only ensures the reliability of the high-pressure water supply, but also avoids the loosening of the threaded pair due to vibration. The cyclone plate 31 is located in the flow cross section of the connecting rod 3, which can ensure that the high-pressure water provides sufficient circumferential rotation force when passing through the connecting rod 3.

[0039] On the basis of the above-mentioned embodiment, as a preferred embodiment, the upper and lower ends of the connecting rod 3 are provided with counterbores 32, the inner wall of the counterbores 32 is provided with internal threads, and the upper and lower ends of the drill rod 1 and the connecting end of the high-pressure water jetting drill bit 2 are provided with protruding small-diameter sections 11, and the outer wall of the small-diameter section 11 is provided with external threads matched with the internal threads.

[0040] Further, the outer diameter of the drill rod 1, the outer diameter of the high-pressure water jetting drill bit 2, and the outer diameter of the connecting rod 3 are the same, and the length of the small-diameter section 11 is equal to the depth of the counterbores 32.

[0041] On the basis of the above-mentioned embodiment, as a preferred embodiment, the high-pressure water jetting drill bit 2 comprises an axial section 21 in communication with the connecting rod 3, and the end of the axial section 21 away from the connecting rod 3 is connected with a hollow radial section 22, which is simple in structure and convenient for processing and maintenance. The radial section 22 and the axial section 21 are coaxially arranged and in communication with each other, and the coaxial arrangement ensures the balance of force in each direction during rotation. The radial section 22 is provided with radial jet holes 23 and axial jet holes 24, high-pressure water is ejected outward through the radial jet holes 23 to realize reaming, and high-pressure water is ejected outward through the axial jet holes to realize drilling.

[0042] Specifically, the diameter of the radial section 22 is greater than that of the axial section 21, the axial section 21 is in interpenetrating fit with the radial section 22, the top of the axial section 21 is in sealing connection with the bottom surface of the top plate 221 of the radial section 22, and the bottom plate 222 of the radial section 22 is in sealing connection with the outer wall of the axial section 21. The part of the axial section 21 between the top plate 221 and the bottom plate 222 is provided with a communication hole 25 which communicates the inner hole of the axial section 21 with the inner cavity of the radial section 22, and the high-pressure water in the inner hole of the axial section 21 enters the inner cavity of the radial section 22 through the communication hole 25 and then is ejected through the radial jet hole 23 and the axial jet hole 24.

[0043] Further, the radial jet hole 23 is arranged on the circumferential wall 223 of the radial section 22, and the axial jet hole 24 is arranged on the top plate 221 between the circumferential wall 223 and the outer wall of the axial section 21. The radial jet hole 23 and the axial jet hole 24 are both provided with two, the two radial jet holes 23 are symmetrically arranged about the axial section 21, and the two axial jet holes 24 are symmetrically arranged about the axial section 21, so as to ensure that each direction is balanced when the high-pressure water jet is ejected.

[0044] On the basis of the above-mentioned embodiments, as a preferred embodiment, two fixing blocks 26 are arranged between the inner wall of the circumferential wall 223 and the outer wall of the axial section 21, the two fixing blocks 26 can be welded between the inner wall of the circumferential wall 223 and the outer wall of the axial section 21, and the top of the fixing block 26 is welded with the top plate 221 and the bottom is welded with the bottom plate 222. That is, the two fixing blocks 26 are symmetrically arranged about the axial section 21 and divide the inner cavity of the radial section 22 into a first cavity 4 and a second cavity 5, and the first cavity 4 and the second cavity 5 are not communicated with each other. The communication hole 25 is provided with two and respectively communicates with the first cavity 4 and the second cavity 5.

[0045] The first cavity 4 is provided with a first sliding block 41, the second cavity 5 is provided with a second sliding block 51, one radial jet hole 23 and one axial jet hole 24 communicate with the first cavity 4, and the other radial jet hole 23 and the other axial jet hole 24 communicate with the second cavity 5. By changing the positions of the first sliding block 41 and the second sliding block 51 in the first cavity 4 and the second cavity 5, the opening and closing of the radial jet hole 23 and the axial jet hole 24 can be realized.

[0046] When the drilling machine rotates forward, under the action of centrifugal force, the first sliding block 41 and the second sliding block 51 are blocked between the communication hole 25 and the axial jet hole 24 and the communication hole 25 and the radial jet hole 23 are communicated; on the contrary, when the drilling machine rotates reversely, under the action of centrifugal force, the first sliding block 41 and the second sliding block 51 are blocked between the communication hole 25 and the radial jet hole 23 and the communication hole 25 and the axial jet hole 24 are communicated.

[0047] Further, the top surface of the first sliding block 41 is in sliding seal with the top plate 221, the bottom surface is in sliding seal with the bottom plate 222, the outer peripheral surface is in sliding seal with the circumferential wall 223, and the inner peripheral surface is in sliding seal with the outer wall of the axial section 21, the left end and the right end of the first sliding block 41 are both provided with protruding arc-shaped profile surfaces 411, and the left end surface and the right end surface of the fixed block 26 are both flat profile surfaces 261. The structure of the second sliding block 51 is the same as that of the first sliding block 41, that is, the left end and the right end of the second sliding block 51 are both provided with protruding arc-shaped profile surfaces 411. Regardless of the forward rotation or the reverse rotation of the drilling machine, under the action of the centrifugal force, when the left end or the right end of the two sliding blocks is in abutment with the top surface of the fixed block 26, only point contact exists between the two abutting surfaces, surface contact is avoided, and the water tension or the environmental pressure is prevented from causing the failure to separate quickly.

[0048] A hydraulic punching method using the hydraulic punching device, the drilling machine is controlled to rotate forward, the drilling machine drives the drill rod 1, the connecting rod 3 and the high-pressure water punching drill bit 2 to rotate forward synchronously, under the action of the inertial force, the threaded pair has a tendency to be screwed, and high-pressure water is delivered to the high-pressure water punching drill bit 2 through the drill rod 1 and the connecting rod 3, the high-pressure water acting on the cyclone plate 31 has a circumferential rotation component and an axial component, under the action of the circumferential rotation component, the threaded pair has a tendency to be screwed, the first sliding block 41 and the second sliding block 51 are both blocked between the communication hole 25 and the axial jet hole 24 and the communication hole 25 is communicated with the radial jet hole 23, and the high-pressure water is impacted in the circumferential direction through the radial jet hole 23.

[0049] The drilling machine is controlled to rotate reversely, the drilling machine drives the drill rod 1, the connecting rod 3 and the high-pressure water punching drill bit 2 to rotate reversely synchronously, under the action of the inertial force, the threaded pair has a tendency to be unscrewed, and high-pressure water is delivered to the high-pressure water punching drill bit 2 through the drill rod 1 and the connecting rod 3, the high-pressure water acting on the cyclone plate 31 has a circumferential rotation component and an axial component, under the action of the circumferential rotation component, the threaded pair has a tendency to be screwed and cancels the tendency of the threaded pair to be unscrewed, the first sliding block 41 and the second sliding block 51 are both blocked between the communication hole 25 and the radial jet hole 23 and the communication hole 25 is communicated with the axial jet hole 24, and the high-pressure water is impacted in the axial direction through the axial jet hole 24.

[0050] During the drilling and hole-forming process, the drilling machine is controlled to rotate reversely, the high-pressure water is ejected through the axial jet hole 24, the drilling is performed by vertical jet drilling, after a distance of drilling, the drilling machine is controlled to rotate forward, the high-pressure water is ejected through the radial jet hole 23, and the drilled hole is impacted and reamed; or after the drilling and hole-forming, the drilling machine is controlled to rotate forward and reversely alternately, the radial jet hole 23 sprays the high-pressure water to ream and spray the slag, and the axial jet hole 24 sprays the high-pressure water to increase the return water of the drilled hole and improve the migration ability of the slag, so that the slag is smoothly discharged from the hole.

[0051] The details of the application are known to those skilled in the art.

[0052] The above shows and describes the basic principles, main features and beneficial effects of the present application. The above is only the preferred embodiment of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A hydraulic perforating device comprising a drill string (1) connected to a drilling rig, the drill string (1) being connected to a high pressure water perforating bit (2), characterized in that: The drill pipe (1) and the high-pressure water flushing hole drill bit (2) are connected through the hollow connecting rod (3), the connecting rod (3) and the high-pressure water flushing hole drill bit (2) are connected through a threaded pair, the connecting rod (3) and the drill pipe (1) are connected through a threaded pair, the threaded pair between the connecting rod (3) and the high-pressure water flushing hole drill bit (2) and the threaded pair between the connecting rod (3) and the drill pipe (1) are screwed in the opposite direction of the forward rotation direction of the drilling machine, the inner hole of the connecting rod (3) is provided with a cyclone plate (31), and the cyclone plate (31) makes the cyclone direction of the high-pressure water opposite to the screwing direction of the threaded pair; The high-pressure water flushing hole drill bit (2) comprises an axial section (21) communicated with the connecting rod (3), a hollow radial section (22) connected to one end of the axial section (21) away from the connecting rod (3), the radial section (22) is coaxially arranged with the axial section (21) and communicated with each other, and the radial section (22) is provided with radial jet holes (23) and axial jet holes (24); The diameter of the radial section (22) is greater than that of the axial section (21), the axial section (21) and the radial section (22) are fitted, the top of the axial section (21) is sealingly connected with the bottom surface of the top plate (221) of the radial section (22), the bottom plate (222) of the radial section (22) is sealingly connected with the outer wall of the axial section (21), and the communication hole (25) communicating the inner hole of the axial section (21) with the inner cavity of the radial section (22) is arranged at the position of the axial section (21) between the top plate (221) and the bottom plate (222); The radial jet holes (23) are arranged on the circumferential wall (223) of the radial section (22), the axial jet holes (24) are arranged on the top plate (221) between the circumferential wall (223) and the outer wall of the axial section (21), the radial jet holes (23) and the axial jet holes (24) are both provided with two, the two radial jet holes (23) are symmetrically arranged about the axial section (21), and the two axial jet holes (24) are symmetrically arranged about the axial section (21); Two fixed blocks (26) are arranged between the inner wall of the circumferential wall (223) and the outer wall of the axial section (21), the two fixed blocks (26) are symmetrically arranged about the axial section (21) and divide the inner cavity of the radial section (22) into a first cavity (4) and a second cavity (5), two communication holes (25) are arranged and respectively communicate with the first cavity (4) and the second cavity (5), a first sliding block (41) is arranged in the first cavity (4), a second sliding block (51) is arranged in the second cavity (5), one radial jet hole (23) and one axial jet hole (24) communicate with the first cavity (4), the other radial jet hole (23) and the other axial jet hole (24) communicate with the second cavity (5); when the drilling machine rotates forward, the first sliding block (41) and the second sliding block (51) are both blocked between the communication hole (25) and the axial jet hole (24) and the communication hole (25) and the radial jet hole (23) are communicated; when the drilling machine reversely rotates, the first sliding block (41) and the second sliding block (51) are both blocked between the communication hole (25) and the radial jet hole (23) and the communication hole (25) and the axial jet hole (24) are communicated.

2. The hydraulic puncher device of claim 1, wherein: The inner diameter of the drill rod (1), the inner diameter of the high-pressure water flushing hole drill bit (2) and the inner diameter of the connecting rod (3) are the same, and the rotational flow plate (31) is located in the flow passage section of the connecting rod (3).

3. A hydraulic puncher according to claim 1 or 2, characterized in that: The upper and lower ends of the connecting rod (3) are provided with counterbores (32), the inner wall of the counterbores (32) is provided with internal threads, and the upper and lower ends of the drill rod (1) and the connecting end of the high-pressure water flushing hole drill bit (2) are provided with protruding small diameter sections (11), and the outer wall of the small diameter section (11) is provided with external threads matched with the internal threads.

4. The hydraulic puncher of claim 3, wherein: The outer diameter of the drill rod (1), the outer diameter of the high-pressure water flushing hole drill bit (2) and the outer diameter of the connecting rod (3) are the same, and the length of the small diameter section (11) is equal to the depth of the counterbores (32).

5. The hydraulic puncher of claim 4, wherein: The top surface of the first sliding block (41) is in sliding sealing with the top plate (221), the bottom surface is in sliding sealing with the bottom plate (222), the outer peripheral surface is in sliding sealing with the circumferential wall (223), and the inner peripheral surface is in sliding sealing between the outer wall of the axial section (21), the left end and the right end of the first sliding block (41) are provided with protruding arc-shaped profile surfaces (411), the left end surface and the right end surface of the fixed block (26) are planar profile surfaces (261), and the structure of the second sliding block (51) is the same as that of the first sliding block (41).

6. A method of hydraulically punching a hole, characterized by: Using the hydraulic punching device as claimed in claim 5, the drilling machine is controlled to rotate forward, the drilling machine drives the drill rod (1), the connecting rod (3) and the high-pressure water punching drill bit (2) to rotate forward synchronously, under the action of inertial force, the threaded pair has a tendency to tighten, and high-pressure water is delivered to the high-pressure water punching drill bit (2) through the drill rod (1) and the connecting rod (3), the high-pressure water acting on the cyclone plate (31) has a circumferential rotation component and an axial component, under the action of the circumferential rotation component, the threaded pair has a tendency to tighten, the first sliding block (41) and the second sliding block (51) are both blocked between the communication hole (25) and the axial jet hole (24) and the communication hole (25) is communicated with the radial jet hole (23), and the high-pressure water impacts in the circumferential direction through the radial jet hole (23); The drilling machine is controlled to rotate reversely, the drilling machine drives the drill rod (1), the connecting rod (3) and the high-pressure water punching drill bit (2) to rotate reversely synchronously, under the action of inertial force, the threaded pair has a tendency to loosen, and high-pressure water is delivered to the high-pressure water punching drill bit (2) through the drill rod (1) and the connecting rod (3), the high-pressure water acting on the cyclone plate (31) has a circumferential rotation component and an axial component, under the action of the circumferential rotation component, the threaded pair has a tendency to tighten and the tendency to loosen is offset, the first sliding block (41) and the second sliding block (51) are both blocked between the communication hole (25) and the radial jet hole (23) and the communication hole (25) is communicated with the axial jet hole (24), and the high-pressure water impacts in the axial direction through the axial jet hole (24); During the drilling and hole-forming process, the drilling machine is controlled to reverse, the high-pressure water is ejected through the axial jet hole (24), the drilling is vertical jet drilling, after drilling for a distance, the drilling machine is controlled to rotate forward, the high-pressure water is ejected through the radial jet hole (23), and the drilled hole is impacted and reamed; or when the drilling is completed, the drilling machine is controlled to rotate forward and reversely alternately, the radial jet hole (23) sprays high-pressure water to ream and spray out the slag, and the axial jet hole (24) sprays out the high-pressure water to increase the return water of the drilled hole and improve the migration ability of the slag, so that the slag is smoothly discharged from the hole.

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