Mechanical-hydraulic combined rock breaking rotary drilling excavation system

The mechanical-hydraulic combined rock-breaking rotary drilling system utilizes a drill barrel device and a high-pressure water circulation device to pre-crack and break up rock strata, solving the problems of low efficiency and severe drill tooth wear of rotary drilling rigs in hard rock strata, and achieving efficient rock breaking and water resource recycling.

CN119021578BActive Publication Date: 2026-02-06INST OF ROCK & SOIL MECHANICS CHINESE ACAD OF SCI
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Patent Information

Application Number
CN202411151629.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-08-21
Publication Date
2026-02-06
Estimated Expiration
2044-08-21

AI Technical Summary

Technical Problem

Existing rotary drilling rigs with drill barrels have low working efficiency and severe wear on drill teeth when facing hard rock formations. Frequent replacement of drill teeth increases construction costs and wastes time.

Method used

The mechanical-hydraulic combined rock-breaking rotary drilling system utilizes the drill barrel device to break the rock strata, and combines it with a high-pressure water circulation device to treat the mud water and deliver high-pressure water to the drill barrel device. The high-pressure water is used to pre-crack and break the rock strata, reducing the wear and tear on the drill barrel device.

Benefits of technology

It improved rock breaking efficiency, enabled the recycling of water resources, reduced wear and tear on the drill pipe equipment, and improved construction efficiency and cost-effectiveness.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application provides a mechanical-hydraulic combined rock breaking rotary drilling excavation system, which comprises a drill cylinder device, a high-pressure water circulation device, a transmission device, a fixing device and a walking device. The walking device is electrically connected with the drill cylinder device to remotely control the drill cylinder device to break rock layers. The walking device is connected with the high-pressure water circulation device. One end of the transmission device is rotatably connected with the top of the drill cylinder device, and the other end of the transmission device is fixedly connected with the walking device, so that the mud water treated by the high-pressure water circulation device is purified into high-pressure water required by the system, and the high-pressure water is transported into the drill cylinder device through the transmission device. The jet water pressure of the high-pressure water is used to form a pre-splitting on the rock layer, so that the drill cylinder device breaks the rock layer and reduces the loss of the drill cylinder device. The transmission device is slidably connected with the fixing device, and the fixing device is electrically connected with the walking device. The transmission device is remotely controlled by the walking device to slide on the fixing device, so that the drill cylinder device drills a hole to the deep underground.
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Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of underground engineering, and particularly relates to a mechanical-hydraulic combined rock breaking rotary drilling excavation system. BACKGROUND

[0002] With the continuous progress of building technology and the acceleration of large-scale engineering construction, the rotary drilling technology emerges as the times require, especially in the infrastructure construction of high-rise buildings, large-scale water conservancy and hydropower, and transportation engineering, which shows its obvious advantages, and at the same time puts forward higher requirements for the rotary drilling construction.

[0003] In the face of changing geological conditions, especially when encountering hard rock, the rotary drilling rig also faces the problems of reduced work efficiency and serious drill bit wear. In the construction process of the rotary drilling rig, the drill bit is directly in contact with the rock, and its wear resistance and rock breaking efficiency directly affect the progress of the overall construction. When the geological conditions change, especially when the soil turns to hard rock, the existing cutting teeth may no longer be suitable, and need to be replaced with drill bits more suitable for hard rock in time to reduce wear and improve drilling speed. In addition, frequent drill bit replacement and drill adjustment not only increases the construction cost, but also wastes time, further reducing the construction efficiency.

[0004] Therefore, how to provide a mechanical-hydraulic combined rock breaking rotary drilling excavation system, which breaks the rock layer in the drilling hole through the drill cylinder device, at the same time uses the high-pressure water circulating device to treat the mud water in the drilling hole, and delivers the formed high-pressure water to the drill cylinder device to assist in rock breaking, so as to improve the water circulation utilization efficiency and rock breaking effect in the drilling hole, is a technical problem that those skilled in the art need to solve. SUMMARY

[0005] The present application aims to provide a mechanical-hydraulic combined rock breaking rotary drilling excavation system to at least solve the above-mentioned technical problem.

[0006] To achieve the above-mentioned purpose, the present application provides a mechanical-hydraulic combined rock breaking rotary drilling excavation system, which comprises: a drill cylinder device for breaking rock; a high-pressure water circulating device for treating mud water; a transmission device, one end of the transmission device is rotatably connected to the top of the drill cylinder device, the transmission device is used for delivering high-pressure water into the drill cylinder device; a fixing device, the fixing device is slidably connected with the transmission device; a walking device, the walking device is electrically connected with the drill cylinder device, the walking device is electrically connected with the fixing device, the walking device is connected with the high-pressure water circulating device, and the other end of the transmission device is fixedly connected with the walking device.

[0007] In the first aspect, the drill cylinder device comprises: a connecting assembly, one end of the connecting assembly being rotationally connected with one end of the transmission device; a cylinder body, a top of the cylinder body being fixedly connected with the other end of the connecting assembly, an inside of the cylinder body being provided with m jet flow channels, the m jet flow channels being spaced apart along a circumferential direction of the cylinder body; m cutting teeth, the m cutting teeth being spaced apart at a bottom of the cylinder body; and m water jet nozzles, the m water jet nozzles being spaced apart at the inside of the cylinder body, each of the water jet nozzles being located between two adjacent cutting teeth, and one end of each of the water jet nozzles being connected with a corresponding one of the jet flow channels; wherein m is a positive integer.

[0008] In the first aspect, an inclination angle of the m cutting teeth is 65°-75°, and an offset angle of the m cutting teeth is 5°-20°.

[0009] In the first aspect, the connecting assembly comprises: a connecting piece, one end of the connecting piece being rotationally connected with one end of the transmission device; a flow divider, one end of the flow divider being fixedly connected with the other end of the connecting piece, and the other end of the flow divider being fixedly connected with the top of the cylinder body, for delivering the high-pressure water into the m jet flow channels.

[0010] In the first aspect, an outer wall of the cylinder body is provided with threads, the inside of the cylinder body is divided into a cylinder body upper part and a cylinder body lower part, the cylinder body upper part is a solid structure, and the cylinder body lower part is a hollow structure.

[0011] In the first aspect, the drill cylinder device further comprises m nozzle protection assemblies, each of the nozzle protection assemblies comprising: a prism, an outer wall of the prism being fixedly connected with an inner wall of the cylinder body lower part, and an inner wall of the prism enclosing a containing space; a first gear, the first gear being fixedly connected with the inner wall of the prism, and a motor being provided on the first gear, the motor being connected with the walking device through a wire; a second gear, the second gear being in meshing transmission with the first gear, and a corresponding one of the water jet nozzles being fixedly connected with the second gear through a middle of the second gear; a fixing piece, an upper end of the fixing piece being used for fixing the corresponding one of the water jet nozzles, and a lower end of the fixing piece being used for controlling a jet range of the corresponding one of the water jet nozzles, the fixing piece being a hollow circular cone structure; wherein the first gear, the second gear, the fixing piece, and the corresponding one of the water jet nozzles are located in the containing space; and the other end of each of the water jet nozzles reaches a bottom surface of a corresponding one of the prisms in sequence through a middle of a corresponding one of the second gears, an upper end of a corresponding one of the fixing pieces, and a lower end of the corresponding one of the fixing pieces, to jet the high-pressure water.

[0012] In the first aspect, the transmission device comprises a drill pipe, the inside of the drill pipe is a hollow structure for conveying the high-pressure water; one end of the drill pipe is rotatably connected with one end of the connecting piece, and the other end of the drill pipe is connected with the walking device through a high-pressure water conveying pipe.

[0013] In the first aspect, the fixing device comprises a mast, an anchor hanger, a power head and a luffing structure; one end of the anchor hanger is rotatably connected with the top end of the mast, and the other end of the anchor hanger is fixedly connected with the top end of the drill pipe through a cable; the power head is fixed to the lower part of the mast, and the power head is slidably connected with the middle part of the drill pipe, and the power head is electrically connected with the walking device; the luffing structure is electrically connected with the walking device, and is used for adjusting the rotation angle of one end of the anchor hanger and the top end of the mast.

[0014] In the first aspect, the high-pressure water circulating device comprises a high-pressure pump, a mud separator, a mud pipe and a water storage tank; the feed inlet of the mud pipe is located in the drill hole, and the discharge outlet of the mud pipe is fixedly connected with the mud separator; the high-pressure pump is electrically connected with the mud separator, and is used for sucking the mud water in the drill hole into the mud separator through the mud pipe; the water storage tank is used for collecting the water treated through the mud separator.

[0015] In the first aspect, the walking device comprises a high-pressure water pump, a storage tank and a control console; the storage tank is connected with the water storage tank through a pipeline; the high-pressure water pump is connected with the storage tank to form high-pressure water, and the high-pressure water is conveyed into the drill pipe through the high-pressure water conveying pipe; the control console is electrically connected with the power head, the control console is electrically connected with the motor, and the control console is electrically connected with the luffing structure.

[0016] Beneficial effects:

[0017] The mechanical-hydraulic combined rock breaking rotary drilling excavation system provided by the application comprises a drilling cylinder device, a high-pressure water circulation device, a transmission device, a fixing device and a walking device, the walking device is electrically connected with the drilling cylinder device to remotely control the drilling cylinder device to break rock layers, the walking device is connected with the high-pressure water circulation device, one end of the transmission device is rotationally connected with the top of the drilling cylinder device, the other end of the transmission device is fixedly connected with the walking device, so as to purify mud water treated by the high-pressure water circulation device into high-pressure water required by the system, and then the high-pressure water is sent to the drilling cylinder device through the transmission device, the jet water pressure of the high-pressure water is used to form a pre-splitting on the rock layers, so that the drilling cylinder device breaks the rock layers and reduces the loss of the drilling cylinder device, the transmission device is slidably connected with the fixing device, the fixing device is electrically connected with the walking device, the transmission device is remotely controlled to slide on the fixing device through the walking device, so that the drilling cylinder device drills a hole to the deep underground. The mud water in the hole is purified into high-pressure water required by the system through the high-pressure water circulation device, the rock layers in the hole are pre-split by the high-pressure water, and the pre-split rock layers are further broken by the drilling cylinder device, so that the water resource is recycled, the loss of the drilling cylinder device is reduced, and the rock breaking efficiency of the system is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments. Obviously, the drawings in the following description only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0019] Figure 1 It is a structural schematic diagram of the mechanical-hydraulic combined rock breaking rotary drilling excavation system in the present application.

[0020] Figure 2 It is a structural schematic diagram of the drilling cylinder device in the present application Figure One ;

[0021] Figure 3 It is a structural schematic diagram of the drilling cylinder device in the present application Figure Two ;

[0022] Figure 4 It is a structural schematic diagram of the drilling cylinder device in the present application Figure Three ;

[0023] Figure 5 It is an angle design schematic diagram of the cutting tooth in the present application.

[0024] Figure 6 It is a structural schematic diagram of the nozzle protection assembly in the present application.

[0025] Figure 7 It is a structural schematic diagram of the fixing part in the present application.

[0026] Figure 8 Schematic diagram of combined rock breaking mode of water jet nozzle and pick in the present application Figure One ;

[0027] Figure 9 Schematic diagram of combined rock breaking mode of water jet nozzle and pick in the present application Figure Two ;

[0028] Figure 10 Schematic diagram of structure of high-pressure water circulating device in the present application

[0029] Reference signs:

[0030] 1, drill cylinder device; 11, connecting assembly; 111, connecting piece; 112, flow divider; 12, cylinder body; 121, thread; 122, jet channel; 13, pick; 14, water jet nozzle; 15, nozzle protection assembly; 151, prism; 152, first gear; 153, second gear; 154, fixing piece;

[0031] 2, high-pressure water circulating device; 21, high-pressure pump; 22, mud separator; 23, mud pipe; 24, water storage tank

[0032] 3, transmission device; 31, drill rod

[0033] 4, fixing device; 41, mast; 42, anchor hanger; 43, power head; 44, amplitude structure

[0034] 5, traveling device; 51, high-pressure water pump; 52, storage tank; 53, control console DETAILED DESCRIPTION

[0035] The technical solutions in the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art belong to the scope of protection of the present application.

[0036] Meanwhile, in the embodiments of the present application, when a component is referred to as being “fixed” to another component, it can be directly on the other component or there can be a middle component. When a component is referred to as being “connected” to another component, it can be directly connected to the other component or there can be a middle component. When a component is referred to as being “arranged” on another component, it can be directly arranged on the other component or there can be a middle component.

[0037] In addition, the description such as "first", "second" and the like in the present application is only for the purpose of description and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second" can be explicitly or implicitly included at least one of the features. In addition, the technical solutions of various embodiments can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist, nor within the protection scope required by the present application.

[0038] Embodiment one:

[0039] Please refer to Figure 1 The present application provides a mechanical-hydraulic combined rock breaking rotary drilling excavation system, the excavation system comprises: a drill cylinder device 1, the drill cylinder device 1 is used to break rock layer;High pressure water circulating device 2, the high pressure water circulating device 2 is used to process mud water;Transmission device 3, one end of the transmission device 3 is rotatably connected with the top of the drill cylinder device 1, the transmission device 3 is used to transport high pressure water into the drill cylinder device 1;Fixing device 4, the fixing device 4 is slidably connected with the transmission device 3;Traveling device 5, the traveling device 5 is electrically connected with the drill cylinder device 1, the traveling device 5 is electrically connected with the fixing device 4, the traveling device 5 is connected with the high pressure water circulating device 2, and the traveling device 5 is fixedly connected with the other end of the transmission device 3.

[0040] Specifically, the present application provides a mechanical-hydraulic combined rock breaking rotary drilling excavation system, which comprises a drill cylinder device 1, a high pressure water circulating device 2, a transmission device 3, a fixing device 4 and a traveling device 5, the traveling device 5 is electrically connected with the drill cylinder device 1 to remotely control the drill cylinder device 1 to break rock layer;The traveling device 5 is connected with the high pressure water circulating device 2, one end of the transmission device 3 is rotatably connected with the top of the drill cylinder device 1, the other end of the transmission device 3 is fixedly connected with the traveling device 5, so as to purify the mud water processed by the high pressure water circulating device 2 into the high pressure water required by the system, and transport the high pressure water into the drill cylinder device 1 through the transmission device 3, form pre-splitting on rock layer by using the jet water pressure of high pressure water, so that the drill cylinder device 1 breaks rock layer, reduces the loss of the drill cylinder device 1;The transmission device 3 is slidably connected with the fixing device 4, the fixing device 4 is electrically connected with the traveling device 5, the transmission device 3 is remotely controlled to slide on the fixing device 4 through the traveling device 5, so that the drill cylinder device 1 drills hole to the deep underground. The present application purifies the mud water in the hole into the high pressure water required by the system through the high pressure water circulating device 2, pre-cracks the rock layer in the hole by using the high pressure water, and further breaks the pre-cracked rock layer through the drill cylinder device 1, realizes the recycling of water resources, reduces the loss of the drill cylinder device 1, and improves the rock breaking efficiency of the system.

[0041] In some possible implementation manners, referring to Figures 2-5 The drill cylinder device 1 comprises a connecting assembly 11, one end of the connecting assembly 11 being rotationally connected with one end of the transmission device 3; a cylinder body 12, a top of the cylinder body 12 being fixedly connected with the other end of the connecting assembly 11, an inside of the cylinder body 12 being provided with m jet flow channels 122, the m jet flow channels 122 being spaced apart along a circumferential direction of the cylinder body 12; m cutting teeth 13, the m cutting teeth 13 being spaced apart at a bottom of the cylinder body 12; and m water jet nozzles 14, the m water jet nozzles 14 being spaced apart at the inside of the cylinder body 12, each of the water jet nozzles 14 being located between two adjacent cutting teeth 13, and one end of each of the water jet nozzles 14 being connected with a corresponding one of the jet flow channels 122, wherein m is a positive integer.

[0042] In some possible implementation manners, an inclination angle of the m cutting teeth 13 is 65°-75°, and an offset angle of the m cutting teeth 13 is 5°-20°.

[0043] Those skilled in the art can understand that the drill cylinder device 1 comprises the connecting assembly 11, the cylinder body 12, the m cutting teeth 13 and the m water jet nozzles 14, one end of the connecting assembly 11 is rotationally connected with one end of the transmission device 3, the other end of the connecting assembly 11 is fixedly connected with the top of the cylinder body 12, and m jet flow channels 122 are spaced apart at the inside of the cylinder body 12 along a circumferential direction of the cylinder body 12, so as to deliver high-pressure water to a corresponding one of the water jet nozzles 14 through the jet flow channels 122 to form pre-splitting on rock strata in a borehole; the m cutting teeth 13 are spaced apart at the bottom of the cylinder body 12, and an inclination angle of the cutting teeth 13 is 65°-75° and an offset angle of the cutting teeth 13 is 5°-20°, so as to reduce wear of the cutting teeth 13 in the process of rock breaking and improve rock breaking efficiency; the m water jet nozzles 14 are spaced apart at the inside of the cylinder body 12, and each of the water jet nozzles 14 is located between two adjacent cutting teeth 13, high water pressure at the water jet nozzles 14 is used to form pre-splitting on rock strata near the cutting teeth 13, and then the cutting teeth 13 are rotated in the same direction to cut and break the pre-split rock strata, so as to not only reduce wear of the cutting teeth 13, but also improve rock breaking efficiency.

[0044] In some possible implementation manners, the connecting assembly 11 comprises a connecting piece 111, one end of the connecting piece 111 being rotationally connected with one end of the transmission device 3; a flow divider 112, one end of the flow divider 112 being fixedly connected with the other end of the connecting piece 111, and the other end of the flow divider 112 being fixedly connected with the top of the cylinder body 12, for delivering the high-pressure water into the m jet flow channels 122.

[0045] This is because, the connecting assembly 11 includes connecting piece 111 and shunt 112, one end of connecting piece 111 is rotatably connected with one end of transmission device 3, the other end of connecting piece 111 is fixedly connected with one end of shunt 112, high pressure water in transmission device 3 is shunted at shunt 112 through connecting piece 111, high pressure water is delivered to corresponding one water jet nozzle 14 through jet channel 122, and water flow control valve is arranged on shunt 112 to control water pressure of corresponding one water jet nozzle 14, thereby pre-splitting is formed on the rock stratum to be broken.

[0046] In some possible embodiments, the outer wall of the barrel 12 is provided with threads 121, the inner part of the barrel 12 is divided into barrel upper part and barrel lower part, the barrel upper part is solid structure, and the barrel lower part is hollow structure.

[0047] In order to further assist rock breaking, the outer wall of the barrel 12 is provided with threads 121 to reduce the possibility of deviating from the trajectory during drilling and to reduce the friction of the rock stratum of the barrel 12, thereby improving the rock breaking efficiency; the inner part of the barrel 12 is divided into barrel upper part and barrel lower part, the barrel upper part is solid structure, and the barrel lower part is hollow structure, and the inner wall of the barrel lower part is provided with wedge-shaped structure, when the barrel 12 advances to the deep underground, the blocky rock stratum is stored in the barrel lower part under the high-speed rotation of the barrel 12 and the cutting pick 13, and the blocky rock stratum can be released through subsequent reverse rotation; in addition, the mud water seeps into the upper part of the barrel 12 from the gap and is treated by the high pressure water circulating device 2 to obtain the high pressure water required for rock breaking.

[0048] In some possible embodiments, please refer to Figure 6The drill cylinder device 1 further comprises m jet head protection assemblies 15, each of which comprises a prism 151, the outer wall of which is fixedly connected with the inner wall of the lower part of the cylinder body 12, and the inner wall of which encloses a containing space; a first gear 152 fixedly connected with the inner wall of the prism 151, and a motor provided on the first gear 152, the motor being connected with the walking device 5 through a line; a second gear 153 in meshing transmission with the first gear 152, and a corresponding water jet head 14 fixedly connected with the second gear 153 through the middle of the second gear 153; a fixing member 154, the upper end of which is used for fixing the corresponding water jet head 14, and the lower end of which is used for controlling the jetting range of the corresponding water jet head 14, the fixing member 154 being a hollow circular truncated cone structure; wherein the first gear 152, the second gear 153, the fixing member 154 and the corresponding water jet head 14 are all located in the containing space; the other end of each water jet head 14 passes through the middle of the corresponding second gear 153, the upper end of the corresponding fixing member 154, the lower end of the corresponding fixing member 154 and reaches the bottom surface of the corresponding prism 151 in sequence to jet the high-pressure water.

[0049] In order to prevent the water jet head 14 from being damaged in the rock breaking process, a corresponding jet head protection assembly 15 is provided at each water jet head 14, each jet head protection assembly 15 comprising a prism 151, a first gear 152, a second gear 153 and a fixing member 154, the outer wall of the prism 151 being fixedly connected with the inner wall of the lower part of the cylinder body, the inner wall of the prism 151 enclosing a containing space for accommodating the first gear 152, the second gear 153, the fixing member 154 and the corresponding water jet head 14; the first gear 152 and the second gear 153 are combined into a bevel gear, and a motor is provided on the first gear 152, the walking device 5 being connected with the motor through a line to start the rotation of the first gear 152 and in turn drive the rotation of the second gear 153; the water jet head 14 is fixedly connected in the middle of the second gear 153, so that the water jet head 14 moves with the second gear 153; the fixing member 154 is a hollow circular truncated cone structure, the upper end of the fixing member 154 being small in diameter, the lower end of the fixing member 154 being large in diameter, the water jet head 14 passing through the middle of the second gear 153 corresponding to also passing through the middle of the fixing member 154, and the upper end of the fixing member 154 being fixedly connected with the corresponding water jet head 14, the water jet head 14 taking the upper end of the fixing member 154 as a support point and moving along the lower end of the fixing member 154 under the drive of the second gear 153 to form the jetting range of the high-pressure water, as shown in Figure 7As shown, a fixing hole is formed at the upper end of the fixing member 154 and the connection of the corresponding water jet nozzle 14, and the movable range of the corresponding water jet nozzle 14 inside the fixing member 154 is the movable hole. In a specific embodiment, as shown Figures 8-9 As shown, when the high-pressure water jet sprayed by the water jet nozzle 14 is sprayed on the rock layer below the cutting tooth 13, a single cutting groove is formed, the high-pressure water causes the rock layer below the cutting tooth 13 to be pre-cracked, and the corresponding cutting tooth 13 breaks the pre-cracked rock layer; when the high-pressure water jet sprayed by the water jet nozzle 14 is sprayed between two adjacent cutting teeth 13, a two-side cutting groove is formed, the high-pressure water pre-cracks the rock layer between the two adjacent cutting teeth 13, so that the rock layer between the two adjacent cutting teeth 13 is cracked, which is beneficial to the further breaking of the rock layer by the cutting tooth 13 and reduces the wear of the cutting tooth 13.

[0050] In some possible embodiments, the transmission device 3 comprises a drill rod 31, the inside of the drill rod 31 is hollow, and the drill rod 31 is used for conveying the high-pressure water; one end of the drill rod 31 is rotationally connected to one end of the connecting member 111, and the other end of the drill rod 31 is connected to the walking device 5 through a high-pressure water conveying pipe.

[0051] As can be understood by those skilled in the art, the transmission device 3 comprises the drill rod 31, the inside of the drill rod 31 is hollow, which is beneficial to conveying the high-pressure water; one end of the drill rod 31 is rotationally connected to one end of the connecting member 111, the connecting member 111 can be rotated at high speed through the walking device 5, thereby driving the cylinder 12 and the cutting tooth 13 to rotate at high speed, and breaking the rock layer in the drill hole.

[0052] In some possible embodiments, the fixing device 4 comprises a mast 41, a hanger 42, a power head 43 and a variable amplitude structure 44; one end of the hanger 42 is rotationally connected to the top end of the mast 41, and the other end of the hanger 42 is fixedly connected to the top end of the drill rod 31 through a cable; the power head 43 is fixed to the lower part of the mast 41, and the power head 43 is slidably connected to the middle part of the drill rod 31, and the power head 43 is electrically connected to the walking device 5; the variable amplitude structure 44 is electrically connected to the walking device 5, and is used for adjusting the rotation angle of one end of the hanger 42 and the top end of the mast 41.

[0053] This is because, the fixed device 4 includes mast 41, anchor frame 42, power head 43 and amplitude structure 44, one end of anchor frame 42 is rotatably connected with the top end of mast 41, and amplitude structure 44 is electrically connected with travelling device 5, the other end of anchor frame 42 is fixedly connected with the top end of drill rod 31 through cable, so as to adjust the rotation angle of anchor frame 42 and mast 41, and further adjust the position of drill rod 31 to adapt to the construction position of cutting tooth 13; power head 43 is electrically connected with travelling device 5, power head 43 is slidably connected with the middle part of drill rod 31, and travelling device 5 is used to control power head 43 to fixedly support drill rod 31, so that drill rod 31 can adjust the relative position with power head 43 according to the depth of cutting tooth 13 rotating and excavating to the underground.

[0054] In some possible embodiments, referring to Figure 10 , the high-pressure water circulating device 2 comprises a high-pressure pump 21, a mud separator 22, a mud pipe 23 and a water storage tank 24; the feed inlet of the mud pipe 23 is located in the drill hole, and the discharge outlet of the mud pipe 23 is fixedly connected with the mud separator 22; the high-pressure pump 21 is electrically connected with the mud separator 22, and is used to suck the mud water in the drill hole into the mud separator 22 through the mud pipe 23; the water storage tank 24 is used to collect the water treated by the mud separator 22.

[0055] Those skilled in the art can understand that the high-pressure water circulating device 2 comprises a high-pressure pump 21, a mud separator 22, a mud pipe 23 and a water storage tank 24, the feed inlet of the mud pipe 23 is located in the drill hole, the discharge outlet of the mud pipe 23 is fixedly connected with the mud separator 22, and the high-pressure pump 21 is electrically connected with the mud separator 22; a large amount of mud water is generated in the process of rotating and excavating the cutting tooth 13 and spraying water by the water jet nozzle 14, the mud water in the drill hole is transferred to the mud separator 22 through the high-pressure pump 21 and the mud pipe 23, and is purified and treated in the mud separator 22, so as to separate the mud and water, and store the water in the water storage tank 24; the water in the water storage tank 24 is transferred to the drill rod 31 through the travelling device 5, to form high-pressure water, the rock stratum is pre-fractured by the water jet nozzle 14, so as to form the recycling of water resources, and improve the utilization efficiency of water resources.

[0056] In some possible embodiments, the travelling device 5 comprises a high-pressure water pump 51, a storage tank 52 and a control console 53; the storage tank 52 is connected with the water storage tank 24 through a pipeline; the high-pressure water pump 51 is connected with the storage tank 52, to form high-pressure water, and deliver the high-pressure water to the drill rod 31 through the high-pressure water pipe; the control console 53 is electrically connected with the power head 42, the control console 53 is electrically connected with the motor, and the control console 53 is electrically connected with the amplitude structure 44.

[0057] The walking device 5 can be moved according to the actual construction position, and the walking device 5 comprises a high-pressure water pump 51, a storage tank 52 and a control console 53, the storage tank 52 is connected with the water storage tank 24 through a pipeline, the water in the water storage tank 24 is transferred to the storage tank 52 by the high-pressure water pump 51, the water can be further purified to prevent clogging in the subsequent drill pipe 31 and the jet channel 122; the control console 53 can also be an operation table, the conditions in the drill hole and the conditions of each part of the system can be monitored and controlled, the drilling construction condition can be remotely observed through the control console 53, and the safety is improved.

[0058] Finally, it should be noted that the above-described embodiments are merely specific implementations of the present application, which are used to illustrate the technical solutions of the present application, but not to limit the same, the protection scope of the present application is not limited thereto, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that any person skilled in the art can modify or easily think of changes to the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to some technical features, and the modifications, changes or replacement do not make the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

[0059] Although the embodiments of the present application have been disclosed as above, it is not limited to the applications listed in the specification and the embodiments, and it can be fully applied to various fields suitable for the present application, and other modifications can be easily realized by those skilled in the art, therefore, the present application is not limited to specific details and the figures shown and described herein, without departing from the general concept defined by the claims and the equivalent scope.

Claims

1. A mechanical-hydraulic combined rock breaking rotary drilling excavation system, characterized by, The tunneling system comprises: A drill cylinder device for breaking rock strata; A high-pressure water circulation device for treating mud water; A transmission device, one end of which is rotatably connected to the top of the drill cylinder device, for conveying high-pressure water into the drill cylinder device; A fixing device, which is slidably connected to the transmission device; A walking device, which is electrically connected to the drill cylinder device, the fixing device, the high-pressure water circulation device, and the other end of the transmission device; The drill cylinder device comprises: A connecting assembly, one end of which is rotatably connected to one end of the transmission device; A cylinder body, the top of which is fixedly connected to the other end of the connecting assembly, and the inside of which is provided with m jet flow channels, which are distributed along the circumferential direction of the cylinder body; M cutters, which are arranged at the bottom of the cylinder body at intervals; M water jet nozzles, which are arranged at intervals in the inside of the cylinder body, each of which is located between two adjacent cutters, and one end of each of which is connected to a corresponding jet flow channel; wherein m is a positive integer; The inclination angle of the m cutters is 65°-75°, and the declination angle of the m cutters is 5°-20°; The connecting assembly comprises: A connecting piece, one end of which is rotatably connected to one end of the transmission device; A flow divider, one end of which is fixedly connected to the other end of the connecting piece, and the other end of which is fixedly connected to the top of the cylinder body, for conveying high-pressure water into the m jet flow channels; The outer wall of the cylinder body is provided with threads, the inside of the cylinder body is divided into a cylinder upper part and a cylinder lower part, the cylinder upper part is a solid structure, and the cylinder lower part is a hollow structure; The drill cylinder device further comprises m nozzle protection assemblies, each of which comprises: A prism, the outer wall of which is fixedly connected to the inner wall of the cylinder lower part, and the inner wall of which encloses a containing space; A first gear, which is fixedly connected to the inner wall of the prism, and on which a motor is arranged, the motor being connected to the walking device through a line; A second gear, which is in meshing transmission with the first gear, and a corresponding water jet nozzle being fixedly connected to the second gear through the middle of the second gear; A fixing piece, the upper end of which is used for fixing a corresponding water jet nozzle, and the lower end of which is used for controlling the jet range of the corresponding water jet nozzle, the fixing piece being a hollow circular cone structure; The first gear, the second gear, the fixing member and the corresponding water jet head are located in the accommodating space.

2. The mechanical-hydraulic combined rock breaking rotary drilling excavation system according to claim 1, characterized in that, The transmission device comprises a drill rod, the inside of which is a hollow structure for conveying the high-pressure water.

3. The mechanical-hydraulic combined rock breaking rotary drilling excavation system according to claim 2, characterized in that, The fixing device comprises a mast, an anchor hanger, a power head and an amplitude structure. One end of the anchor hanger is rotatably connected to the top end of the mast, and the other end of the anchor hanger is fixedly connected to the top end of the drill rod through a cable. The power head is fixed to the lower part of the mast, and the power head is slidably connected to the middle part of the drill rod. The amplitude structure is electrically connected to the walking device, and is used for adjusting the rotation angle of one end of the anchor hanger and the top end of the mast.

4. The mechanical-hydraulic combined rock breaking rotary drilling excavation system according to claim 3, characterized in that, The high-pressure water circulating device comprises a high-pressure pump, a mud separator, a mud pipe and a water storage tank. The inlet of the mud pipe is located in the drill hole, and the outlet of the mud pipe is fixedly connected to the mud separator. The high-pressure pump is electrically connected to the mud separator, and is used for sucking the mud water in the drill hole into the mud separator through the mud pipe. The water storage tank is used for collecting the water treated by the mud separator.

5. The mechanical-hydraulic combined rock breaking rotary drilling excavation system according to claim 4, characterized in that, The walking device comprises a high-pressure water pump, a storage tank and a control console. The storage tank is connected to the water storage tank through a pipeline. The high-pressure water pump is connected to the storage tank to form high-pressure water, and the high-pressure water is conveyed into the drill rod through the high-pressure water conveying pipe. The control console is electrically connected to the power head, the motor and the amplitude structure.

Citation Information

Patent Citations

  • Rotary digging drilling machine jet flow reverse circulation rock drilling technique

    CN101191405A

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    CN115162961A

  • Rotary excavating drill bit with jet flow function

    CN216642007U