CN114320330A - Concentric rock drilling and splitting device - Google Patents

Concentric rock drilling and splitting device Download PDF

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Publication number
CN114320330A
CN114320330A CN202111395960.9A CN202111395960A CN114320330A CN 114320330 A CN114320330 A CN 114320330A CN 202111395960 A CN202111395960 A CN 202111395960A CN 114320330 A CN114320330 A CN 114320330A
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CN
China
Prior art keywords
rod
rock
splitting
drilling
drill
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111395960.9A
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Chinese (zh)
Inventor
杨涛
王怀中
刘瑞庆
代传奇
刘伟涛
石玉经
王响东
任小营
王三福
牛茜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Railway Tunnel Group Co Ltd CRTG
Equipment Branch of China Railway Tunnel Group Co Ltd
Original Assignee
China Railway Tunnel Group Co Ltd CRTG
Equipment Branch of China Railway Tunnel Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Railway Tunnel Group Co Ltd CRTG, Equipment Branch of China Railway Tunnel Group Co Ltd filed Critical China Railway Tunnel Group Co Ltd CRTG
Priority to CN202111395960.9A priority Critical patent/CN114320330A/en
Publication of CN114320330A publication Critical patent/CN114320330A/en
Pending legal-status Critical Current

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Abstract

The utility model provides a rock bores device with one heart, is including being used for sliding the rock drill that sets up on the horn of drill jumbo, has the drilling rod, and the tip that the drilling rod kept away from the rock drill is equipped with the drill bit that is used for carrying out drilling to the rock, still including being used for stretching into drilling, carrying out the splitting stick that the spalling to the rock, the splitting stick sets up on the drilling rod, and with the coaxial setting of the body of rod of drilling rod. According to the rock splitting device, the drilling hole and the splitting are arranged coaxially, the splitting rod is directly inserted into the drilling hole after the drill bit drills the rock, the rock is subjected to spalling, the splitting rod can be inserted into the drilling hole to spall the rock without taking out the drill bit after drilling, the rock splitting process is simplified, the rock splitting efficiency is greatly improved, and the rock splitting can be rapidly and conveniently realized.

Description

Concentric rock drilling and splitting device
Technical Field
The invention belongs to the technical field of non-explosive excavation of rocks, and particularly relates to a rock concentric drilling and splitting device.
Background
At present, blasting or full-face tunneling machines are mostly adopted for tunneling in tunnel construction, but blasting is not allowed to be adopted for tunneling at positions with dense building groups and dense pedestrian flow in urban underground space construction. The original rock or mineral exploitation also mostly adopts a blasting method, the method has serious environmental pollution and large danger coefficient, and a large amount of available resources become waste materials in the exploitation, along with the improvement of technical conditions, aiming at the operation environment which does not allow blasting or is not suitable for blasting, a hydraulic splitter appears in the market, the safety coefficient of the hydraulic splitter is high, the resources are saved, and the hydraulic splitter gradually becomes ideal non-blasting excavation and ore exploitation equipment.
The method comprises the steps of drilling a splitting hole, installing hydraulic splitting equipment in the hole for splitting, drilling and installing the splitting equipment in the whole process, and finally splitting. After the existing drilling and splitting device is used for drilling and splitting, a drill bit and a drill rod are generally required to be taken out, then the splitting device is stretched into a drill hole, the splitting device is required to be accurately positioned to the position of the splitting hole, and the splitting device is required to be smoothly installed when the angle of the splitting device is consistent with that of the drilling device, so that a large amount of time is consumed in the drilling and splitting operation process of the existing device.
Disclosure of Invention
The invention aims to provide a concentric rock drilling and splitting device, which solves the problems of inconvenience in drilling and splitting and long time consumption caused by the fact that a drill rod needs to be taken out and then stretched into splitting equipment after drilling in the conventional drilling and splitting device.
The technical scheme adopted by the invention to solve the technical problems is as follows:
the utility model provides a rock bores device with one heart, is including being used for sliding the rock drill that sets up on the horn of drill jumbo, has the drilling rod, and the tip that the drilling rod kept away from the rock drill is equipped with the drill bit that is used for carrying out drilling to the rock, still including being used for stretching into drilling, carrying out the splitting stick that the spalling to the rock, the splitting stick sets up on the drilling rod, and with the coaxial setting of the body of rod of drilling rod.
Furthermore, the splitting rod comprises a rod body provided with a through hole along the axial direction, the through hole is used for a drill rod to penetrate through, a plunger is arranged on the rod body in a sliding mode along the radial direction, a cavity communicated with the plunger is arranged in the rod body, and an oil inlet used for injecting hydraulic oil into the cavity and pushing the plunger to expand out along the radial direction of the rod body is further formed in the communicated cavity on the rod body.
Furthermore, a plurality of plungers are uniformly distributed along the axial direction of the rod body.
Furthermore, the diameter of the drill bit is 4-8mm larger than that of the rod body, and the diameter of a cylinder formed around the axis of the rod body after the plunger is expanded is 20-30mm larger than that of the drill bit.
And furthermore, the rock drilling machine further comprises a propelling frame arranged on the vehicle arm, the rock drilling machine is slidably mounted on the propelling frame, and a propelling oil cylinder used for driving the rock drilling machine to move along the propelling frame is arranged on the propelling frame.
Further, the trolley further comprises a middle bracket hinged to the trolley arm, and the propelling frame is mounted on the middle bracket.
Further, the splitting rod is fixedly arranged on the drill rod close to the drill bit.
Further, the splitting rod is sleeved on the drill rod in a sliding mode.
Further, the drill rod is sleeved with a top disc used for driving the splitting rod to move to the drill bit.
The invention has the beneficial effects that:
1. according to the concentric rock drilling and splitting device, the splitting rod is coaxially arranged on the drill rod, the splitting rod is directly inserted into the drill hole after the drill bit drills the rock, and the rock is subjected to spalling.
2. According to the concentric rock drilling and splitting device, the splitting rod splits the rock through the plunger expanding out of the rod body in the radial direction, so that non-explosive rock excavation is realized, the splitting effect is good, and the safety coefficient is high.
Description of the drawings:
fig. 1 is a schematic structural diagram of a rock concentric drilling and splitting device provided by the invention;
FIG. 2 is a schematic structural diagram of a splitting rod in the concentric rock drilling and splitting device provided by the invention;
FIG. 3 is a schematic view of the installation structure of the plunger on the splitting rod in the concentric rock drilling and splitting device provided by the present invention
Fig. 4 is a schematic view of the installation structure of the concentric rock drilling and splitting device provided by the invention on the rock drilling jumbo arm.
The labels in the figure are: 1. the drilling machine comprises a rock drilling machine, 2, a drill rod, 3, a top disc, 4, a middle bracket, 5, a vehicle arm, 501, a rotating oil cylinder, 502, a support, 503, a pitching oil cylinder, 504, a support, 6, a pushing beam, 7, a pushing oil cylinder, 8, a middle drill rod lifter, 9, a splitting rod, 901, a through hole, 902, a cavity, 903, a splitting rod plunger, 904, an oil inlet, 905, a pressure relief oil channel, 906, a stepped hole, 907, a piston, 10 and a drill bit.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and detailed description, wherein in the description of the invention it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention.
The concrete embodiment 1 of the concentric drilling and splitting device for rocks of the invention is as follows:
with reference to fig. 1 and 4, the concentric rock drilling and splitting device of the present embodiment includes a rock drilling machine 1, where the rock drilling machine 1 is configured to be slidably disposed on a carriage arm 5 of a rock drilling carriage, the rock drilling machine 1 is provided with a drill rod 2, an end portion of the drill rod 2 far away from the rock drilling machine 1 is provided with a drill bit 10, and the drill bit 10 is configured to drill a rock when the rock drilling machine 1 is started to work.
The concentric brill of rock splits device still includes splitting rod 9, drills the back at drill bit 10 to the rock, and splitting rod 9 inserts the drilling, to rock spalling, accomplishes and bores the process of splitting, and in current device, drill bit 10 and splitting rod 9 are the components of a whole that can function independently, adopt drill bit 10 to drill the back to the rock usually, take out drill bit 10, then insert splitting rod 9 into the drill hole and carry out the spalling to the rock, make splitting work complex operation like this, splitting inefficiency.
Different with current device, combine fig. 1, fig. 4 to show, in the concentric brill of rock of this embodiment splits device, splitting rod 9 sets up on drilling rod 2, and with the coaxial setting of the body of rod of drilling rod 9, be about to splitting rod 9 cover establish on drilling rod 2, after the drill bit 10 drilled a hole to the rock, need not to take out drill bit 10, can directly insert drilling with splitting rod 9, carry out the spalling operation of rock, simplified the brill of rock and split the process, improved the brill of rock and split efficiency greatly.
As shown in fig. 2, the splitting rod 9 in this embodiment includes a cylindrical or prismatic rod, a through hole 901 is axially formed in the rod, when the splitting rod is used, the drill rod 2 penetrates through the through hole 901 and penetrates through the rod, so that the splitting rod 9 is sleeved on the drill rod 2, a plunger 903 is arranged on the rod in a manner of radially sliding along the rod, and the plunger 903 can be uniformly distributed along the axial direction of the rod, so that when the plunger 903 expands out along the radial direction of the rod, the splitting effect on rocks is good, and the safety factor is high.
Referring to fig. 3, when the plunger 903 is arranged, a stepped hole 906 may be radially formed in the rod along the rod, a movable sealing piston 907 is disposed in the stepped hole 906, the plunger 903 is adapted to an outlet of the stepped hole, the plunger 903 is fixed to the piston 907, hydraulic oil in the cavity 902 pushes the piston 907 to move radially outward of the rod along the stepped hole, the plunger 903 expands, when the piston 907 moves to the stepped position, the plunger 903 expands maximally, a pressure relief oil passage 905 for discharging hydraulic oil and relieving pressure in the cavity 902 may be disposed at a position, close to the inside of the rod, of the stepped position, and in addition, when the plunger 903 is arranged, an oil cylinder with an appropriate size may be directly fixed to the rod to replace the stepped hole 906 and the piston 907, so that batch production of split rods is facilitated.
The splitting rod is characterized in that a cavity 902 is arranged in the rod body, the cavity 902 is communicated with the plungers 903, an oil inlet 904 for injecting hydraulic oil into the cavity 902 is formed in the rod body, the cavity 902 is used for containing hydraulic oil, a drill 10 completes drilling on rocks under the action of the rock drilling machine 1 and the sliding of the arm 5, after the drilling is completed, the splitting rod 9 is inserted into the drilling hole, the hydraulic oil is injected into the cavity 902 through the oil inlet 904, the plungers 903 are radially pushed out of the rod body under the action of the hydraulic oil, namely the fracturing rod radially expands out of the rod body, and the rocks are split under the action of the expansion of the plungers 903.
When the splitting rod 4 is specifically set, as shown in fig. 4, the diameter of the drill 10 is 4-8mm larger than the diameter of the rod, and the diameter of the cylinder formed around the axis of the rod after the plunger 903 is expanded is 20-30mm larger than the diameter of the drill 10, in this embodiment, the diameter of the drill is 104mm, the diameter of the splitting rod 9 is 98mm, and the diameter of the cylinder formed around the axis of the rod after the plunger 903 is expanded is 130 mm.
When installing the brill device of cleaving on car arm 5, specifically, as shown in combination figure 4, set up on car arm 5 and impel frame 6, be provided with the slide rail on impel frame 6, rock drill 1 slidable mounting can slide along impel frame 6 on the slide rail, impel and be equipped with propulsion cylinder 7 on the frame 6, and rock drill 1 is connected to the piston rod of propulsion cylinder 7, and propulsion cylinder 7 during operation can order about rock drill 1 along impel frame 6 reciprocating motion.
In this embodiment, the middle bracket 4 is disposed on the vehicle arm 5, the middle bracket 4 is hinged to the vehicle arm 5, so that the pitch angle can be adjusted, specifically, as shown in fig. 4, a support 502 is disposed on the vehicle arm 5 through a rotary cylinder 501, two supports 504 are disposed at the bottom of the middle bracket 4, one support is hinged to the support 502, the other support 504 is hinged to a pitch cylinder 503, two ends of the pitch cylinder 503 are respectively hinged to the two supports 504, through the above arrangement, when the rotary cylinder 501 works, the middle bracket 4 can be driven to rotate around the vehicle arm 5, and when the pitch cylinder 503 works, the middle bracket 4 is driven to adjust the pitch angle, so that the drilling and splitting work can be accurately performed on the rock.
When the splitting rod 9 is specifically arranged on the drill rod 2, referring to fig. 4, in this embodiment, the splitting rod 9 is fixedly arranged on the drill rod 2 close to the drill bit 10, and during the process of drilling the rock by the drill bit 10, the splitting rod 9 enters the drilled hole along with the advance of the drill rod 2.
The concrete embodiment 2 of the concentric rock drilling and splitting device of the invention:
compared with the embodiment, the splitting rod 9 is fixedly arranged on the drill rod 2, although the splitting rod 9 can enter the drill hole along with the drill bit 10 in real time, in practical application, the performance of the splitting rod 9 can be affected due to vibration caused by the operation of the drill bit, in order to weaken the adverse effect on the performance of the splitting rod due to vibration, the arrangement is different from that in the embodiment, as shown in fig. 4, in the concentric rock drilling and splitting device according to the embodiment, the splitting rod 9 is slidably sleeved on the drill rod 2, that is, the diameter of the through hole 901 on the splitting rod 9 can be slightly larger than that of the drill rod 2, after the drill bit 10 finishes drilling the rock, the splitting rod 9 is driven to be inserted into the drill hole, the rock is split, the drill bit does not need to be taken out, the drilling and splitting process of the rock is simplified, and the drilling and splitting efficiency of the rock is improved.
In this embodiment, because the splitting stick 9 is that the slip cover is established on drilling rod 2, in order to facilitate in time inserting the drilling with splitting stick 9 after drill bit 10 has bored the drilling, the cover is equipped with the overhead gage 3 that is used for ordering about splitting stick 9 and moves to drill bit 10 department on drilling rod 2, combine shown in fig. 1 and fig. 4, when actual setting, the propulsion cylinder 7 is connected to overhead gage 8 in the middle of the overhead gage 3 accessible, when propulsion cylinder 7 promoted rock drill 1 and drills, make overhead gage 3 insert in the drilling along with the drill bit in real time, can split the rock after the drilling, need not to take out the drill bit, need not to carry out manual insertion splitting stick, the brill that has simplified the rock splits the process, the brill that has improved the rock splits efficiency.
It should be noted that the above embodiments are only for illustrating the present invention, but the present invention is not limited to the above embodiments, and any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention fall within the protection scope of the present invention.

Claims (9)

1. The utility model provides a rock bores and splits device with one heart, is including being used for sliding setting on car arm (5) of drilling jumbo, rock drill (1) that have drilling rod (2), and the tip that rock drill (1) were kept away from in drilling rod (2) is equipped with drill bit (10) that are used for driling the rock, still including being used for stretching into drilling, carrying out spalling's splitting stick (9) to the rock, its characterized in that: the splitting rod (9) is arranged on the drill rod (2) and is coaxial with the rod body of the drill rod (9).
2. The concentric drilling and splitting device for the rocks according to claim 1, wherein the splitting rod (9) comprises a rod body provided with a through hole (901) along the axial direction, the through hole (901) is used for a drill rod (2) to penetrate through, a plunger (903) is arranged on the rod body in a sliding manner along the radial direction, a cavity (902) communicated with the plunger (903) is arranged in the rod body, and an oil inlet (904) used for injecting hydraulic oil into the cavity (902) to push the plunger (903) to expand out along the radial direction of the rod body is further arranged on the communicated cavity (902) on the rod body.
3. The concentric drilling and splitting device for rock as claimed in claim 2, wherein the plunger (903) is distributed in plurality along the axial direction of the rod body.
4. A concentric rock drilling and splitting device according to claim 3, characterized in that the diameter of the drill bit (10) is 4-8mm larger than the diameter of the rod, and the diameter of the cylinder formed around the axis of the rod after the expansion of the plunger (903) is 20-30mm larger than the diameter of the drill bit (10).
5. The concentric rock drilling and splitting device as claimed in claim 1, further comprising a propulsion frame (6) arranged on the vehicle arm (5), wherein the rock drilling machine (1) is slidably mounted on the propulsion frame (6), and the propulsion frame (6) is provided with a propulsion cylinder (7) for driving the rock drilling machine (1) to move along the propulsion frame (6).
6. A concentric rock drilling and splitting device according to claim 5, further comprising a central bracket (4) for articulation on a vehicle arm (5), the propulsion carriage (6) being mounted on the central bracket (4).
7. A concentric rock drilling and splitting device according to any one of claims 1 to 6, characterized in that the splitting bar (9) is fixedly mounted on the drill rod (2) adjacent to the drill bit (10).
8. A concentric drilling and splitting device for rock according to any one of claims 1 to 6, characterized in that the splitting bar (9) is slidably mounted on the drill rod (2).
9. A concentric rock drilling and splitting device according to claim 8, characterized in that the drill rod (2) is provided with a top plate (3) for driving the splitting rod (9) to move to the drill bit (10).
CN202111395960.9A 2021-11-23 2021-11-23 Concentric rock drilling and splitting device Pending CN114320330A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111395960.9A CN114320330A (en) 2021-11-23 2021-11-23 Concentric rock drilling and splitting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111395960.9A CN114320330A (en) 2021-11-23 2021-11-23 Concentric rock drilling and splitting device

Publications (1)

Publication Number Publication Date
CN114320330A true CN114320330A (en) 2022-04-12

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CN202111395960.9A Pending CN114320330A (en) 2021-11-23 2021-11-23 Concentric rock drilling and splitting device

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CN (1) CN114320330A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA3053880A1 (en) * 2016-02-26 2017-08-31 L. Curtis Beaton Method and apparatus for splitting or cleaving rock
CN107401408A (en) * 2017-08-25 2017-11-28 刘国勇 Multi-faceted splitting device
CN107939405A (en) * 2017-11-15 2018-04-20 胡平 One kind is compound to split into machine
CN110469328A (en) * 2019-08-27 2019-11-19 中铁隧道局集团有限公司 A kind of brill splits integrated device
CN111963192A (en) * 2020-08-31 2020-11-20 中铁工程装备集团有限公司 Novel TBM and construction method thereof
CN111963188A (en) * 2020-08-31 2020-11-20 中铁工程装备集团有限公司 Anchor drill heading machine and construction method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA3053880A1 (en) * 2016-02-26 2017-08-31 L. Curtis Beaton Method and apparatus for splitting or cleaving rock
CN107401408A (en) * 2017-08-25 2017-11-28 刘国勇 Multi-faceted splitting device
CN107939405A (en) * 2017-11-15 2018-04-20 胡平 One kind is compound to split into machine
CN110469328A (en) * 2019-08-27 2019-11-19 中铁隧道局集团有限公司 A kind of brill splits integrated device
CN111963192A (en) * 2020-08-31 2020-11-20 中铁工程装备集团有限公司 Novel TBM and construction method thereof
CN111963188A (en) * 2020-08-31 2020-11-20 中铁工程装备集团有限公司 Anchor drill heading machine and construction method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
张培林 等: "自行火炮推进系统(下册)", 哈尔滨工业大学出版社, pages: 311 - 319 *

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