CN117386294A - Underwater impact rock crushing device - Google Patents

Underwater impact rock crushing device Download PDF

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Publication number
CN117386294A
CN117386294A CN202311686222.9A CN202311686222A CN117386294A CN 117386294 A CN117386294 A CN 117386294A CN 202311686222 A CN202311686222 A CN 202311686222A CN 117386294 A CN117386294 A CN 117386294A
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China
Prior art keywords
impact
seat
rock
rotary
drill bit
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Granted
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CN202311686222.9A
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Chinese (zh)
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CN117386294B (en
Inventor
莫日雄
郭奇
胡乔辉
陈华林
汪望明
黎远征
谭刚
李靖
毕道林
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Cccc South China Communications Construction Co ltd
CCCC Guangzhou Dredging Co Ltd.
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Cccc South China Communications Construction Co ltd
CCCC Guangzhou Dredging Co Ltd.
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Priority to CN202311686222.9A priority Critical patent/CN117386294B/en
Publication of CN117386294A publication Critical patent/CN117386294A/en
Application granted granted Critical
Publication of CN117386294B publication Critical patent/CN117386294B/en
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    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/12Underwater drilling
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B6/00Drives for drilling with combined rotary and percussive action
    • E21B6/06Drives for drilling with combined rotary and percussive action the rotation being intermittent, e.g. obtained by ratchet device
    • E21B6/08Separate drives for percussion and rotation

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)

Abstract

The invention discloses an underwater impact rock crushing device, which belongs to the technical field of rock drilling and comprises an impact mechanism, wherein a rock drilling machine head is arranged at the top of the impact mechanism, and a rotating frame is rotatably connected to the bottom of the rock drilling machine head; an elastic lifting mechanism is arranged at the bottom end of the rotary frame, and a rotary drill bit is arranged at the bottom end of the elastic lifting mechanism; a rotary driving mechanism is arranged between the impact mechanism and the rotary frame, and a water pumping mechanism is arranged between the elastic lifting mechanism and the impact mechanism; the bottom end of the impact mechanism is provided with a detachable impact drill rod. According to the invention, the shallow groove is drilled on the underwater rock rapidly, so that a relatively closed space can be enclosed by the drill bit main body and the shallow groove, and the elastic lifting mechanism and the inside of the rotating frame are in a non-water state by matching with the water pumping mechanism, so that the detachable impact drill rod can impact broken rock in a normal environment, and the rock drilling broken rock efficiency is improved.

Description

Underwater impact rock crushing device
Technical Field
The invention belongs to the technical field of rock drilling, and particularly relates to an underwater impact rock crushing device.
Background
Rock drill is a tool used to directly mine rock by drilling blastholes in rock formations to place explosives into the blastholes to blast the rock, thereby completing the rock or other stone work. In addition, the rock drill can be changed into a breaker for breaking hard layers such as concrete, the rock drill works according to the impact breaking principle, and the piston does high-frequency reciprocating motion during working to continuously impact the drill shank. Under the action of impact force, the drill bit with the sharp wedge shape crushes and drills the rock into a certain depth to form a dent. After the piston retreats, the drill rod rotates by a certain angle, the piston moves forward, and a new dent is formed when the drill rod is impacted again. The sector rock mass between the two dimples is sheared by the horizontal force component generated on the bit. The piston continuously impacts the drill shank, compressed air or pressurized water is continuously input from the central hole of the drill shank, and the rock slag is discharged out of the hole, so that a circular drilling hole with a certain depth is formed.
The rock drill is a very common rock drilling stone breaking device, various different types of rock drilling stone breaking devices exist in the market at present, most of the rock drilling stone breaking devices can conduct rock drilling stone breaking operation under normal conditions, but when the existing rock drilling stone breaking devices are used for underwater rock drilling stone breaking, the influence of water flow resistance and pressure intensity is very easy to be affected, especially the underwater stone breaking construction in middle and deep water areas is conducted, the impact force of an impact drill rod can be seriously affected by the water flow resistance and the underwater pressure intensity, the stone breaking efficiency of the rock drilling stone breaking devices is further reduced, and the integral construction efficiency and the integral construction progress are not improved.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an underwater impact rock crushing device.
The technical scheme adopted for solving the technical problems is as follows: the underwater impact rock crushing device comprises an impact mechanism, wherein a rock drilling machine head is arranged at the top of the impact mechanism, and a rotating frame is rotatably connected to the bottom of the rock drilling machine head;
an elastic lifting mechanism is arranged at the bottom end of the rotating frame, a sealing corrugated pipe is arranged between the rotating frame and the elastic lifting mechanism, and a rotary drill bit is arranged at the bottom end of the elastic lifting mechanism;
a rotary driving mechanism is arranged between the impact mechanism and the rotary frame and used for driving the rotary frame to rotate, and a water pumping mechanism is arranged between the elastic lifting mechanism and the impact mechanism;
and a mounting frame is arranged between the impact mechanism and the rock drill head, and a detachable impact drill rod is arranged at the bottom end of the impact mechanism.
Further, the impact mechanism comprises a main impact seat, a first mounting seat and a second mounting seat are respectively arranged on two sides of the main impact seat, a guide sleeve is fixedly connected to the bottom center of the main impact seat, a through limiting hole is formed in the center of the main impact seat, an impact head is movably mounted in the limiting hole and the guide sleeve, a connecting sleeve is fixedly connected to the bottom end of the impact head, and a through hole penetrating through the limiting hole is formed in the center of the top of the main impact seat.
Through the technical scheme, when the rock drilling machine head is subjected to high-frequency reciprocating impact, the impact head movably arranged in the high-frequency impact guide sleeve of the impact rod in the rock drilling machine head can drive the detachable impact drill rod fixedly connected with the impact head to perform high-frequency impact, so that the rock at the water bottom is impacted and broken by utilizing the high-frequency impact force of the detachable impact drill rod.
Further, the rotating frame comprises a rotary drill pipe sleeved on the outer side of the guide sleeve, two first positioning bearings are arranged between the guide sleeve and the rotary drill pipe and used for supporting the rotary drill pipe to rotate, and a plurality of first internal thread grooves are formed in the periphery of the bottom of the rotary drill pipe.
Through above-mentioned technical scheme, through the rotatable swivel mount of installation in the bottom of impact mechanism, under rotary drive mechanism's drive, can drive elasticity elevating system and rotary drill through the swivel mount and carry out synchronous rotation to can utilize rotary drill to carry out the predrilled in broken rock position.
Further, the elastic lifting mechanism comprises a main connecting frame arranged at the bottom of the rotary drill pipe, a plurality of first mounting holes are formed in the top and the bottom of the main connecting frame, a plurality of evenly distributed stepped holes are formed in the periphery of the main connecting frame, lifting limiting rods penetrate through the stepped holes, the top ends of the lifting limiting rods are in threaded connection with corresponding first internal thread grooves, a plurality of threaded connecting seats are arranged at the bottom ends of the lifting limiting rods, the threaded connecting seats are fixed with the lifting limiting rods through fixing screws, and reset springs are arranged in the stepped holes.
Through above-mentioned technical scheme, elastic lifting mechanism is used for realizing the elastic connection between swivel mount and the rotary drill bit, before rock drilling rubble, drive the device bottom by the arm first and insert in water, until rotary drill bit contacts the submarine rock, at this moment, by rotatory actuating mechanism drive swivel mount, elastic lifting mechanism and rotary drill bit carry out synchronous rotation, thereby utilize rotary drill bit to carry out the predrill to the rock, at rotary drill bit drilling's in-process, the arm also can continuously exert pressure downwards, and then can drive a plurality of lift gag lever posts extrusion corresponding reset spring through the swivel mount, under the elastic action of a plurality of reset springs, also can counter the rotary drill bit, thereby slowly exert pressure to make the rotary drill bit slowly drill on the submarine rock, always the rotary drill bit drills a shallow slot that the degree of depth is 2-3cm on the submarine rock.
Further, rotary drill bit is including installing in the drill bit main part of main link bottom, a plurality of evenly distributed's second mounting hole has been seted up to drill bit main part top week side, drill bit main part center's top and bottom are equipped with awl groove and lower awl groove respectively, go up the awl groove and seted up the round hole between the awl groove down, the seal groove has been seted up to the round hole inner wall, install rubber seal in the seal groove, drill bit main part bottom week side fixedly connected with a plurality of evenly distributed's drill bit spike teeth.
According to the technical scheme, the rotary drill bit is fixed with the rotary frame through the elastic lifting mechanism, so that the rotary drill bit can synchronously rotate along with the rotary frame under the drive of the rotary driving mechanism, a plurality of evenly distributed drill bit spike teeth are arranged on the periphery of the bottom of the drill bit main body, and when the drill bit main body rotates, the drill bit spike teeth grind and drill on underwater rock, so that a shallow groove of 2-3cm can be quickly drilled on the underwater rock, a relatively closed space can be formed by the drill bit main body in a surrounding mode by matching with the shallow groove, only a small amount of water flow can enter the lower cone groove and the upper cone groove through a gap between the bottom of the drill bit main body and the rock, when the water pumping mechanism continuously works, the water flow in the upper cone groove can be quickly extracted, the elastic lifting mechanism and the inside of the rotary frame are in a non-water state, and then the detachable impact drill rod can impact the rock under normal environment, so that rock crushing efficiency can be improved; meanwhile, the energy consumption is greatly reduced because the resistance and the pressure of water flow are not generated.
Further, the drill bit spike teeth and the drill bit main body are of an integrated structure.
Through above-mentioned technical scheme for its overall structure is simpler, and the installation of the drill bit of being convenient for more is fixed.
Further, the rotary driving mechanism comprises a transmission gear ring which is fixedly arranged at the top of the outer wall of the rotary drill pipe, a driving motor is arranged on the first mounting seat, a driving gear meshed with the transmission gear ring is arranged at the bottom end of an output shaft of the driving motor, and an upper protective cover and a lower protective cover which are used for wrapping the transmission gear ring and the driving gear are further arranged on the outer wall of the rotary drill pipe.
Through above-mentioned technical scheme, during operation of driving motor, can drive the synchronous rotation of drive gear through its output shaft, because drive gear meshes with the transmission ring gear for drive gear can drive the synchronous rotation of transmission ring gear and rotatory drill pipe, and then can utilize the rotation of rotatory drill pipe to drive elasticity elevating system and rotatory drill bit synchronous rotation, finally utilize rotatory drill bit to carry out the predrilled on submarine rock.
Further, the water pumping mechanism comprises a second positioning bearing arranged on the inner wall of the rotary drill pipe and a third positioning bearing arranged on the inner wall of the main connecting frame, the bottom end of the guide sleeve is fixedly connected with a guide seat, one side of the bottom of the guide seat is provided with a first connecting port, a diversion hole is formed among the main impact seat, the guide sleeve and the guide seat, the rear end of the main impact seat is provided with a water pumping pump, a water inlet of the water pumping pump is connected with the diversion hole, the inner ring of the third positioning bearing is provided with a water pumping seat, two sides of the top of the water pumping seat are fixedly connected with limiting sleeves, two sides of the bottom of the guide seat are fixedly connected with guide rods, the central position of the water pumping seat is provided with a central hole, the periphery of the center of the water pumping seat is provided with a buffer cavity, the rear end of the top of the water pumping seat is provided with a second connecting port communicated with the buffer cavity, and an elastic hose is connected between the first connecting port and the second connecting port.
Through the technical scheme, the water suction pump can continuously work in the drilling process of the rotary drill bit and after the drilling is completed, so that water flow entering the rotary drill bit and the main connecting frame can be pumped out by utilizing the suction force of the water suction pump, the water flow can enter the buffer cavity through the plurality of water suction holes and then enter the elastic hose through the second connecting port, and finally the water is pumped out through the water suction pump through the diversion holes, so that the rotary drill bit and the main connecting frame can be kept in a water-free or water-free state, and the follow-up high-efficiency rock crushing construction of the detachable impact drill rod can be ensured.
Further, the bottom ends of the two guide rods respectively penetrate through the corresponding limiting pipe sleeves and extend towards the inside of the corresponding limiting pipe sleeves.
Through above-mentioned technical scheme, because realize connecting and spacing through two sets of guide bars and spacing pipe box between guide holder and the seat of drawing water for rotatory drill pipe, elasticity elevating system and rotary drill bit are when rotating, and the seat of drawing water can not take place to rotate, makes the elasticity hose can not take place to stir the condition of twining because of synchronous rotation.
Further, still install extension subassembly between swivel mount and the sealed bellows, extension subassembly includes the extension pipe, extension pipe's top and bottom all are equipped with the flange dish, two a plurality of third mounting holes are seted up to the week side of flange dish, two a plurality of evenly distributed's second internal thread groove has still been seted up to the week side of flange dish.
Through above-mentioned technical scheme, in order to make the underwater broken rock construction of the device adaptation more in deep waters, can install extension subassembly between swivel mount and sealed bellows for the height of whole device is higher, after changing the detachable impact drill rod with it, can accomplish the rock drilling broken stone construction of the underwater rock of more in deep waters, makes the whole suitability of device stronger.
The beneficial effects of the invention are as follows: (1) According to the invention, the rotary frame, the elastic lifting mechanism, the rotary drill bit, the rotary driving mechanism and the water pumping mechanism are designed, so that the rotary drill bit and the main connecting frame can be kept in a water-free or water-less state, and the follow-up detachable impact drill rod can be ensured to carry out high-efficiency rock crushing construction; (2) According to the invention, the shallow groove is quickly drilled on the underwater rock, so that a relatively closed space can be formed by the drill bit main body and the shallow groove, only a small amount of water flow can enter the lower cone groove and the upper cone groove through the gap between the bottom of the drill bit main body and the rock, and when the water pumping mechanism continuously works, the water flow in the upper cone groove can be quickly extracted, so that the inner parts of the elastic lifting mechanism and the rotating frame are in a non-water state, and the subsequent detachable impact drill rod can impact crushed rock as in a normal environment, thereby improving the rock drilling and crushing efficiency; meanwhile, the energy consumption is greatly reduced because the resistance and the pressure of water flow are not generated.
Drawings
FIG. 1 is a first view block diagram of the present invention;
FIG. 2 is a second view angle block diagram of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is a transverse cross-sectional view of the present invention;
FIG. 5 is a longitudinal cross-sectional view of the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 5 at A;
FIG. 7 is a partial enlarged view at B in FIG. 5;
FIG. 8 is a schematic view of the rotary drive mechanism of the present invention;
FIG. 9 is a schematic view of the impact mechanism of the present invention;
FIG. 10 is a cross-sectional view of the impact mechanism of the present invention;
FIG. 11 is a schematic view of the elastic lifting mechanism of the present invention;
FIG. 12 is a cross-sectional view of the elastic lifting mechanism of the present invention;
FIG. 13 is an enlarged view of a portion of FIG. 12 at C;
FIG. 14 is a schematic view of the rotary drill bit of the present invention;
FIG. 15 is a cross-sectional view of a rotary drill bit of the present invention;
FIG. 16 is a schematic view of the construction of an extension assembly of the present invention;
FIG. 17 is a cross-sectional view of an extension assembly of the present invention.
Reference numerals: 1. an impact mechanism; 101. a main impact seat; 102. a first mount; 103. a second mounting base; 104. a guide sleeve; 105. a limiting hole; 106. an impact head; 107. connecting sleeves; 108. a through hole; 2. a rock drill head; 3. a rotating frame; 301. rotating the drill pipe; 302. a first positioning bearing; 303. a first internal thread groove; 4. an elastic lifting mechanism; 401. a main connecting frame; 402. a first mounting hole; 403. a stepped hole; 404. lifting the limiting rod; 405. a threaded connecting seat; 406. a fixing screw; 407. a return spring; 5. sealing the corrugated pipe; 6. rotating the drill bit; 601. a bit body; 602. a second mounting hole; 603. an upper cone groove; 604. a lower cone groove; 605. a round hole; 606. sealing grooves; 607. a rubber seal ring; 608. bit teeth; 7. a rotary driving mechanism; 701. a transmission gear ring; 702. a driving motor; 703. a drive gear; 704. an upper protective cover; 705. a lower protective cover; 8. a water pumping mechanism; 801. a second positioning bearing; 802. a third positioning bearing; 803. a guide seat; 804. a first connection port; 805. a deflector aperture; 806. a water pump; 807. a water pumping seat; 808. a limiting pipe sleeve; 809. a guide rod; 810. a central bore; 811. a buffer chamber; 812. a water pumping hole; 813. a second connection port; 814. an elastic hose; 9. a mounting frame; 10. a lengthening assembly; 1001. an extension tube; 1002. a connecting flange plate; 1003. a third mounting hole; 1004. a second internal thread groove; 11. the impact drill rod can be detached.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1-17, an underwater impact rock crushing device of the present embodiment includes an impact mechanism 1, as shown in fig. 9-10, the impact mechanism 1 includes a main impact seat 101, two sides of the main impact seat 101 are respectively provided with a first installation seat 102 and a second installation seat 103, a bottom center of the main impact seat 101 is fixedly connected with a guide sleeve 104, a through limiting hole 105 is provided at the center of the main impact seat 101, an impact head 106 is movably installed in the limiting hole 105 and the guide sleeve 104, a connecting sleeve 107 is fixedly connected at the bottom end of the impact head 106, a through hole 108 penetrating the limiting hole 105 is provided at the center of the top of the main impact seat 101, and when the rock drill head 2 reciprocates at high frequency, the impact head 106 movably arranged in the guide sleeve 104 is impacted by an impact rod high frequency inside, and then the impact head 106 drives a detachable impact drill rod 11 fixedly connected with the impact head, so that the rock is crushed by high frequency impact force of the detachable impact drill rod 11.
The top of the impact mechanism 1 is provided with a rock drill head 2, and the rock drill head 2 adopts a hydraulic impact head, a pneumatic impact head or an internal combustion impact head which are existing in the market, and the structure and the principle of the rock drill head belong to the prior art and are not described in detail herein.
As shown in fig. 4-5, the rotary frame 3 is rotatably connected to the bottom of the rock drill head 2, the rotary frame 3 comprises a rotary drill pipe 301 sleeved outside a guide sleeve 104, two first positioning bearings 302 are installed between the guide sleeve 104 and the rotary drill pipe 301 and used for supporting the rotary drill pipe 301 to rotate, a plurality of first internal thread grooves 303 are formed in the circumferential side of the bottom of the rotary drill pipe 301, the rotary frame 3 is installed at the bottom of the impact mechanism 1, and under the driving of the rotary driving mechanism 7, the rotary frame 3 can drive the elastic lifting mechanism 4 and the rotary drill 6 to synchronously rotate, so that the rotary drill 6 can be utilized to pre-drill in a rock crushing position.
As shown in fig. 11-13, the bottom of the rotary frame 3 is provided with the elastic lifting mechanism 4, the elastic lifting mechanism 4 comprises a main connecting frame 401 installed at the bottom of the rotary drill pipe 301, a plurality of first installation holes 402 are formed in the top and bottom circumference sides of the main connecting frame 401, a plurality of uniformly distributed stepped holes 403 are formed in the circumference sides of the main connecting frame 401, lifting limiting rods 404 penetrate through the plurality of stepped holes 403, the top ends of the lifting limiting rods 404 are in threaded connection with corresponding first internal thread grooves 303, the bottom ends of the plurality of lifting limiting rods 404 are provided with threaded connecting seats 405, the threaded connecting seats 405 and the lifting limiting rods 404 are fixed through fixing screws 406, reset springs 407 are installed in the plurality of stepped holes 403, the elastic lifting mechanism 4 is used for realizing elastic connection between the rotary frame 3 and the rotary drill bit 6, before rock drilling, the bottom of the device is driven by a mechanical arm until the rotary drill bit 6 contacts with rock at the bottom, at the moment, the rotary driving mechanism 7 drives the rotary frame 3, the elastic lifting mechanism 4 and the rotary drill bit 6 to synchronously rotate, so that the rock is pre-drilled by the rotary drill bit 6, the rotary drill bit 6 is slowly pressed against the rotary drill 6 in the corresponding to the depth of the rotary drill 6, and the rotary drill 6 can slowly presses the rotary drill 6 at the lower than the rotary drill 6, and the depth of the rotary drill 6 is slowly by the rotary drill 6, and the reset springs 407 are continuously pressed by the rotary drill 6, and the rotary drill 6 is pressed down by the rotary drill 6, and the rotary drill 6 is continuously by the rotary drill 6, and the rock is pressed by the rotary drill 6.
As shown in fig. 2-15, a sealing corrugated pipe 5 is arranged between the rotating frame 3 and the elastic lifting mechanism 4, the sealing corrugated pipe 5 can realize the sealing waterproof function of elastic connection, and the bottom end of the elastic lifting mechanism 4 is provided with a rotary drill bit 6; the rotary drill bit 6 comprises a drill bit body 601 arranged at the bottom of the main connecting frame 401, a plurality of second mounting holes 602 which are uniformly distributed are formed in the peripheral side of the top of the drill bit body 601, an upper conical groove 603 and a lower conical groove 604 are respectively formed in the top and the bottom of the center of the drill bit body 601, a round hole 605 is formed between the upper conical groove 603 and the lower conical groove 604, a sealing groove 606 is formed in the inner wall of the round hole 605, a rubber sealing ring 607 is arranged in the sealing groove 606, a plurality of uniformly distributed drill bit spike teeth 608 are fixedly connected to the peripheral side of the bottom of the drill bit body 601, the drill bit spike teeth 608 and the drill bit body 601 are of an integrated structure, because the rotary drill bit 6 is fixed with the rotary frame 3 through an elastic lifting mechanism 4, the rotary drill bit 6 can synchronously rotate along with the rotary frame 3 under the driving of the rotary driving mechanism 7, the circumference of the bottom of the drill bit body 601 is provided with a plurality of evenly distributed drill bit teeth 608, when the drill bit body 601 rotates, the plurality of drill bit teeth 608 grind and drill on underwater rock, so that a shallow groove of 2-3cm can be quickly drilled on the underwater rock, a relatively closed space can be formed by the drill bit body 601 and the shallow groove, only a small amount of water flow can enter the lower cone groove 604 and the upper cone groove 603 through a gap between the bottom of the drill bit body 601 and the rock, and when the water pumping mechanism 8 continuously works, the water flow in the upper cone groove 603 can be quickly extracted, the inside of the elastic lifting mechanism 4 and the rotary frame 3 is in a non-water state, so that the follow-up detachable impact drill rod 11 can impact broken rock in a normal environment, and the rock drilling and breaking efficiency is improved; meanwhile, the energy consumption is greatly reduced because the resistance and the pressure of water flow are not generated.
As shown in fig. 1-8, a rotary driving mechanism 7 is installed between the impact mechanism 1 and the rotary frame 3, the rotary driving mechanism 7 is used for driving the rotary frame 3 to rotate, the rotary driving mechanism 7 comprises a transmission gear ring 701 installed and fixed on the top of the outer wall of the rotary drill pipe 301, a driving motor 702 is installed on the first installation seat 102, a driving gear 703 meshed with the transmission gear ring 701 is installed at the bottom end of an output shaft of the driving motor 702, an upper protective cover 704 and a lower protective cover 705 used for covering the transmission gear ring 701 and the driving gear 703 are installed on the outer wall of the rotary drill pipe 301, and when the driving motor 702 works, the driving gear 703 can be driven to synchronously rotate through the output shaft of the driving motor 702, and the driving gear 703 is meshed with the transmission gear ring 701, so that the driving gear 703 can drive the transmission gear ring 701 and the rotary drill pipe 301 to synchronously rotate, and then the elastic lifting mechanism 4 and the rotary drill 6 can be driven to synchronously rotate by the rotation of the rotary drill 6 to finally pre-drill on underwater rock.
As shown in fig. 4-13, a water pumping mechanism 8 is arranged between the elastic lifting mechanism 4 and the impact mechanism 1; the water pumping mechanism 8 comprises a second positioning bearing 801 arranged on the inner wall of the rotary drill pipe 301 and a third positioning bearing 802 arranged on the inner wall of the main connecting frame 401, the bottom end of the guide sleeve 104 is fixedly connected with a guide seat 803, one side of the bottom of the guide seat 803 is provided with a first connecting port 804, a diversion hole 805 is arranged among the main impact seat 101, the guide sleeve 104 and the guide seat 803, the rear end of the main impact seat 101 is provided with a water pumping pump 806, the water inlet of the water pumping pump 806 is connected with the diversion hole 805, the inner ring of the third positioning bearing 802 is provided with a water pumping seat 807, both sides of the top of the water pumping seat 807 are fixedly connected with limit sleeves 808, both sides of the bottom of the guide seat 803 are fixedly connected with guide rods 809, the central position of the water pumping seat 807 is provided with a central hole 810, the periphery of the center of the water pumping seat 807 is provided with a buffer cavity 811, the buffer cavity 811 has offered a plurality of water pumping holes 812 in the bottom week side, the top rear end of water pumping seat 807 is equipped with the second connector 813 that link up with buffer cavity 811 mutually, be connected with elastic hose 814 between first connector 804 and the second connector 813, in rotary drill bit 6 drilling process and after the drilling is accomplished, water pump 806 can keep working, thereby can utilize the suction of water pump 806, will get into rotary drill bit 6 and the rivers in the main link 401 and take out, rivers can get into buffer cavity 811 through a plurality of water pumping holes 812, then get into elastic hose 814 through second connector 813, finally be taken out by water pump 806 through water conservancy diversion hole 805, thereby make rotary drill bit 6 and main link 401 in the state of no water or little water keep, in order to guarantee the high efficiency rock breaking construction of follow-up detachable impact drill rod 11.
The bottom ends of the two guide rods 809 penetrate through the corresponding limit sleeves 808 respectively and extend towards the inside of the corresponding limit sleeves 808, and as the guide seat 803 and the water pumping seat 807 are connected and limited through the two groups of guide rods 809 and the limit sleeves 808, the water pumping seat 807 does not rotate when the rotary drill pipe 301, the elastic lifting mechanism 4 and the rotary drill bit 6 rotate, and the elastic hose 814 does not twist due to synchronous rotation.
A mounting frame 9 is arranged between the impact mechanism 1 and the rock drill head 2, the mounting frame 9 is connected with a mechanical arm, the mechanical arm comprises a modified excavator mechanical arm and various crawler-type or wheel-type movable vehicle mechanical arms, and a detachable impact drill rod 11 is arranged at the bottom end of the impact mechanism 1.
As shown in fig. 16-17, in order to make the device adapt to the construction of the underwater rock in deeper water, an extension assembly 10 can be installed between the rotating frame 3 and the sealing bellows 5, the extension assembly 10 comprises an extension pipe 1001, the top and the bottom of the extension pipe 1001 are both provided with a connecting flange 1002, the peripheral sides of the two connecting flange 1002 are provided with a plurality of third mounting holes 1003, the peripheral sides of the two connecting flange 1002 are also provided with a plurality of second internal thread grooves 1004 which are uniformly distributed, the height of the whole device is higher by installing the extension assembly 10 between the rotating frame 3 and the sealing bellows 5, and the construction of the rock drilling rock of the underwater rock in deeper water can be completed after the detachable impact drill rod 11 matched with the rotating frame is replaced, so that the overall applicability of the device is stronger.
The working principle of this embodiment is as follows, the bottom of the mechanical arm driving device is inserted into water until the rotary drill bit 6 contacts the underwater rock, at this time, the driving motor 702 starts to work, the driving motor 702 drives the driving gear 703 to rotate synchronously through its output shaft, because the driving gear 703 is meshed with the transmission gear 701, the driving gear 703 can drive the transmission gear 701 and the rotary drill pipe 301, the elastic lifting mechanism 4 and the rotary drill bit 6 to rotate synchronously, in the process of continuous pressure application of the mechanical arm, the rotary drill bit 6 can pre-drill holes on the underwater rock, so that a shallow groove of 2-3cm can be drilled on the underwater rock quickly;
the drill bit body 601 and the shallow groove form a relatively closed space by matching, so that only a small amount of water flow can enter the lower cone groove 604 and the upper cone groove 603 through a gap between the bottom of the drill bit body 601 and rock, and the water suction pump 806 can continuously work during the drilling process of the rotary drill bit 6 and after the drilling process is completed, so that the water flow entering the rotary drill bit 6 and the main connecting frame 401 can be pumped out by utilizing the suction force of the water suction pump 806, the water flow enters the buffer cavity 811 through the plurality of water suction holes 812, then enters the elastic hose 814 through the second connecting port 813, and finally is pumped out by the water suction pump 806 through the diversion hole 805, and the water-free or low-water state is kept in the rotary drill bit 6 and the main connecting frame 401;
after drilling is completed, the mechanical arm continuously applies downward pressure, at this time, the bottom end of the detachable impact drill rod 11 penetrates through the round hole 605 and contacts with rock in the lower conical groove 604, at this time, the rock drilling machine head 2 starts to work, when the rock drilling machine head 2 impacts in a high-frequency reciprocating manner, the impact head 106 movably arranged in the impact rod high-frequency impact guide sleeve 104 can drive the detachable impact drill rod 11 fixedly connected with the impact head 106 to perform high-frequency impact, and then the high-frequency impact force of the detachable impact drill rod 11 is utilized to impact and crush rock at the water bottom.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention.

Claims (10)

1. An impact rock crushing device for underwater use, which is characterized in that: the drilling machine comprises an impact mechanism (1), wherein a rock drilling machine head (2) is arranged at the top of the impact mechanism (1), and a rotating frame (3) is rotatably connected to the bottom of the rock drilling machine head (2);
an elastic lifting mechanism (4) is arranged at the bottom end of the rotating frame (3), a sealing corrugated pipe (5) is arranged between the rotating frame (3) and the elastic lifting mechanism (4), and a rotary drill bit (6) is arranged at the bottom end of the elastic lifting mechanism (4);
a rotary driving mechanism (7) is arranged between the impact mechanism (1) and the rotary frame (3), the rotary driving mechanism (7) is used for driving the rotary frame (3) to rotate, and a water pumping mechanism (8) is arranged between the elastic lifting mechanism (4) and the impact mechanism (1);
an installation frame (9) is installed between the impact mechanism (1) and the rock drill head (2), and a detachable impact drill rod (11) is installed at the bottom end of the impact mechanism (1).
2. The underwater impact rock breaking device according to claim 1, wherein the impact mechanism (1) comprises a main impact seat (101), a first mounting seat (102) and a second mounting seat (103) are respectively arranged on two sides of the main impact seat (101), a guide sleeve (104) is fixedly connected to the bottom center of the main impact seat (101), a through limiting hole (105) is formed in the center of the main impact seat (101), an impact head (106) is movably mounted in the limiting hole (105) and the guide sleeve (104), a connecting sleeve (107) is fixedly connected to the bottom end of the impact head (106), and a through hole (108) penetrating through the limiting hole (105) is formed in the center of the top of the main impact seat (101).
3. The underwater impact rock crushing device according to claim 2, wherein the rotating frame (3) comprises a rotary drill pipe (301) sleeved outside the guide sleeve (104), two first positioning bearings (302) are arranged between the guide sleeve (104) and the rotary drill pipe (301) and used for supporting the rotary drill pipe (301) to rotate, and a plurality of first internal thread grooves (303) are formed in the periphery of the bottom of the rotary drill pipe (301).
4. The underwater impact rock crushing device according to claim 3, wherein the elastic lifting mechanism (4) comprises a main connecting frame (401) arranged at the bottom of the rotary drill pipe (301), a plurality of first mounting holes (402) are formed in the top and bottom circumference sides of the main connecting frame (401), a plurality of uniformly distributed stepped holes (403) are formed in the circumference sides of the main connecting frame (401), lifting limiting rods (404) penetrate through the stepped holes (403), the top ends of the lifting limiting rods (404) are in threaded connection with corresponding first internal thread grooves (303), a threaded connecting seat (405) is arranged at the bottom ends of the lifting limiting rods (404), the threaded connecting seat (405) is fixed with the lifting limiting rods (404) through fixing screws (406), and reset springs (407) are arranged in the stepped holes (403).
5. The underwater impact rock crushing device for use according to claim 4, wherein the rotary drill bit (6) comprises a drill bit main body (601) mounted at the bottom of the main connecting frame (401), a plurality of second mounting holes (602) which are uniformly distributed are formed in the periphery of the top of the drill bit main body (601), an upper conical groove (603) and a lower conical groove (604) are respectively formed in the top and the bottom of the center of the drill bit main body (601), a round hole (605) is formed between the upper conical groove (603) and the lower conical groove (604), a sealing groove (606) is formed in the inner wall of the round hole (605), a rubber sealing ring (607) is mounted in the sealing groove (606), and a plurality of uniformly distributed drill bit teeth (608) are fixedly connected to the periphery of the bottom of the drill bit main body (601).
6. The underwater use impact rock breaking device as claimed in claim 5, characterized in that the bit spike (608) is of unitary construction with the bit body (601).
7. A submerged impact rock breaking device according to claim 3, characterized in that the rotary driving mechanism (7) comprises a transmission gear ring (701) which is installed and fixed on the top of the outer wall of the rotary drill pipe (301), a driving motor (702) is installed on the first installation seat (102), a driving gear (703) meshed with the transmission gear ring (701) is installed at the bottom end of the output shaft of the driving motor (702), and an upper protective cover (704) and a lower protective cover (705) for covering the transmission gear ring (701) and the driving gear (703) are also installed on the outer wall of the rotary drill pipe (301).
8. The underwater impact rock breaking device according to claim 4, wherein the water pumping mechanism (8) comprises a second positioning bearing (801) arranged on the inner wall of the rotary drill pipe (301) and a third positioning bearing (802) arranged on the inner wall of the main connecting frame (401), a guide seat (803) is fixedly connected to the bottom end of the guide sleeve (104), a first connecting port (804) is formed on one side of the bottom of the guide seat (803), a guide hole (805) is formed between the main impact seat (101), the guide sleeve (104) and the guide seat (803), a water pumping pump (806) is arranged at the rear end of the main impact seat (101), a water inlet of the water pumping pump (806) is connected with the guide hole (805), a water pumping seat (807) is arranged in an inner ring of the third positioning bearing (802), limit sleeves (808) are fixedly connected to two sides of the top of the water pumping seat (807), a guide rod (809) is fixedly connected to two sides of the bottom of the guide seat (803), a center hole (807) is formed in the center position, a center hole (813) is formed between the main impact seat (101), a buffer hole (811) is formed in the center of the water pumping seat (807), a buffer hole (811) is formed in the center of the buffer seat (811), a buffer seat (811) is formed on the side of the buffer seat (811), an elastic hose (814) is connected between the first connecting port (804) and the second connecting port (813).
9. The underwater impact rock breaking device as claimed in claim 8, wherein the bottom ends of the two guide bars (809) penetrate through the corresponding limit sleeves (808) and extend inwardly thereof, respectively.
10. The underwater impact rock crushing device according to claim 1, wherein an extension assembly (10) is further installed between the rotating frame (3) and the sealing corrugated pipe (5), the extension assembly (10) comprises an extension pipe (1001), connecting flange plates (1002) are arranged at the top and the bottom of the extension pipe (1001), a plurality of third mounting holes (1003) are formed in the peripheral sides of the two connecting flange plates (1002), and a plurality of uniformly distributed second internal thread grooves (1004) are formed in the peripheral sides of the two connecting flange plates (1002).
CN202311686222.9A 2023-12-11 2023-12-11 Underwater impact rock crushing device Active CN117386294B (en)

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