CN110984997B - Shaft excavation assisting equipment - Google Patents

Shaft excavation assisting equipment Download PDF

Info

Publication number
CN110984997B
CN110984997B CN202010138055.4A CN202010138055A CN110984997B CN 110984997 B CN110984997 B CN 110984997B CN 202010138055 A CN202010138055 A CN 202010138055A CN 110984997 B CN110984997 B CN 110984997B
Authority
CN
China
Prior art keywords
drill rod
annular guide
rock stratum
guide frame
propelling
Prior art date
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.)
Active
Application number
CN202010138055.4A
Other languages
Chinese (zh)
Other versions
CN110984997A (en
Inventor
刘飞香
廖金军
甘士瑜
易达云
张坚
钱垂军
徐震
祝爽
蒋海华
赵贵生
胡及雨
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 Construction Heavy Industry Group Co Ltd
Original Assignee
China Railway Construction Heavy Industry 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 Construction Heavy Industry Group Co Ltd filed Critical China Railway Construction Heavy Industry Group Co Ltd
Priority to CN202010138055.4A priority Critical patent/CN110984997B/en
Publication of CN110984997A publication Critical patent/CN110984997A/en
Application granted granted Critical
Publication of CN110984997B publication Critical patent/CN110984997B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21DSHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D1/00Sinking shafts
    • E21D1/03Sinking shafts mechanically, e.g. by loading shovels or loading buckets, scraping devices, conveying screws
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B15/00Supports for the drilling machine, e.g. derricks or masts
    • E21B15/003Supports for the drilling machine, e.g. derricks or masts adapted to be moved on their substructure, e.g. with skidding means; adapted to drill a plurality of wells
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B3/00Rotary drilling
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B44/00Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions

Abstract

The invention discloses shaft excavation assisting equipment which comprises an annular guide frame, at least one group of drilling devices and a propelling device, wherein the drilling devices are slidably arranged on the annular guide frame and rotate around the center of the annular guide frame so as to excavate annular isolation grooves for separating an excavated rock stratum and a surrounding rock stratum, and the propelling device is used for driving the drilling devices to feed to the rock stratum. The propelling device pushes the drilling device through the annular guide frame, so that the drilling device drills into the rock stratum to form a sub-isolation groove; and then, the drilling device rotates a certain angle along the annular guide frame, the propelling device continues to push the drilling device to drill into the rock stratum to form a next sub-isolation groove, the circulation is repeated, the sub-isolation grooves are communicated with one another to form a circle of complete annular isolation groove, so that the excavated rock stratum and the surrounding rock stratum are separated, the disturbance of the excavated rock stratum to the surrounding rock stratum is reduced, the accuracy of each key parameter is improved, the regular outline of the excavated rock stratum is ensured, and the quality of the vertical shaft is naturally improved.

Description

Shaft excavation assisting equipment
Technical Field
The invention relates to the technical field of vertical shafts, in particular to auxiliary vertical shaft excavation equipment.
Background
In order to reduce the land area of the ground surface, the demands of super underground engineering such as national defense engineering, large-scale urban underground engineering, underground resource development and the like are increasing day by day, and the vertical shaft excavation technology is widely applied.
The existing vertical shaft is excavated by adopting a drilling and blasting method, namely, the vertical shaft is excavated by adopting modes of drilling, blasting and the like. However, because the excavated rock stratum of the existing shaft cannot be isolated from the surrounding rock stratum, great disturbance is inevitably generated on the surrounding rock stratum in the process of drilling and blasting the excavated rock stratum, and the disturbance may influence the accuracy of key parameters such as a measurement lofting error and a blast hole excavation position, so that the excavation of the shaft is very easy to induce an overbreak phenomenon, the profile of the excavated rock stratum is irregular, and the quality of the shaft is seriously influenced.
Therefore, how to improve the shaft quality is a technical problem to be solved urgently by those skilled in the art.
Disclosure of Invention
In view of the above, the present invention provides a shaft auxiliary excavation device, which is capable of forming an annular isolation groove for separating an excavated rock stratum from a surrounding rock stratum, wherein the surrounding rock stratum is subjected to a reduced disturbance, the shaft is regular, and the quality of the shaft is naturally improved.
The specific scheme is as follows:
the invention provides a shaft excavation assisting device, which comprises:
an annular guide frame;
at least one group of drilling devices which are slidably arranged on the annular guide frame and rotate around the center of the annular guide frame so as to excavate an annular isolation groove for isolating an excavated rock stratum from a surrounding rock stratum;
a propulsion device for driving the drilling device to feed the rock formation.
Preferably, the device further comprises a guide device connected with the propelling device and used for penetrating the annular guide frame until the annular guide frame is abutted against the rock stratum so as to guide the propelling device to feed along the axial direction.
Preferably, the guide means comprises:
the guide rod is fixedly connected with the propelling device;
and the guide sleeve is fixedly arranged at the center of the annular guide frame and is used for the guide rod to pass through.
Preferably, the gang drilling apparatus comprises long and short drill rods extending axially and of unequal axial length, the drill holes drilled by the long drill rods intersecting the drill holes drilled by the short drill rods to form the intersecting isolation slots.
Preferably, each group of drilling devices further comprises a correcting plate fixedly connected with the long drill rod and the short drill rod respectively and used for finishing the crossed isolation grooves into arc isolation grooves.
Preferably, each set of drilling devices further comprises:
a drill rod support which is arranged on the annular guide frame and is used for supporting the long drill rod and the short drill rod;
and the limiting assembly is arranged between the drill rod support and the annular guide frame and used for limiting the drill rod support to prevent the long drill rod and the short drill rod from inclining relative to the annular guide frame.
Preferably, the annular guide frame comprises at least two annular guide sleeves which are coaxially arranged and are distributed in a staggered mode along the axial direction, the drill rod support is provided with at least two guide sliding shoes which are matched with the annular guide sleeves in a one-to-one correspondence mode, and the limiting assembly comprises a limiting groove and a limiting protrusion which are arranged between the annular guide sleeves and the guide sliding shoes and are matched with each other.
Preferably, the control device is connected with the propelling device and used for controlling the propelling device to simultaneously drive the long drill rod and the short drill rod to propel towards the rock stratum within a preset time according to the input preset time so as to form a cross isolation groove, and controlling the propelling device to simultaneously drive the long drill rod and the short drill rod to reset after the propelling device runs for the preset time.
Preferably, each set of drilling devices further comprises:
the rotary driving piece is connected with the drill rod support and is used for driving the drill rod support to rotate along the annular guide frame;
a reset detection part for detecting whether the propulsion device is reset or not;
the rotary driving piece and the reset detection piece are respectively connected with the control device, and the control device is used for controlling the rotary driving piece to drive the drill rod support to rotate by a preset angle after the propelling device is reset according to the input preset angle and a signal sent by the reset detection piece.
Compared with the prior art, the shaft excavation assisting equipment provided by the invention comprises an annular guide frame, a drilling device and a propelling device. The propelling device pushes the drilling device through the annular guide frame, so that the drilling device drills into the rock stratum to form a sub-isolation groove; and then, the propulsion device resets, the drilling device rotates for a certain angle along the annular guide frame, the propulsion device continues to push the drilling device to drill into the rock stratum to form a next sub-isolation groove, the circulation is repeated, the sub-isolation grooves are communicated with each other to form a circle of complete annular isolation groove, so that the excavated rock stratum and the surrounding rock stratum are separated, the disturbance of the excavated rock stratum to the surrounding rock stratum is reduced, the accuracy of each key parameter is improved, the contour of the excavated rock stratum is ensured to be regular, and the quality of the vertical shaft is naturally improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a view showing an operating state of a shaft excavation assisting apparatus according to an embodiment of the present invention;
FIG. 2 is an assembled structure view of the circular guide frame and the drilling device in FIG. 1;
FIG. 3 is a block diagram of the drilling apparatus of FIG. 1;
FIG. 4 is a block diagram of the long drill rod, the short drill rod and the correction plate of FIG. 1;
FIG. 5 is a state diagram of the cross isolation slot and the circular arc isolation slot formed in sequence by the long drill rod, the short drill rod and the correction plate in FIG. 4;
fig. 6 is a state view of an annular isolation groove formed using the shaft excavation assisting apparatus provided in the present invention.
The reference numbers are as follows:
excavating a rock stratum 01, a surrounding rock stratum 02, a cross isolation groove 03 and an arc isolation groove 04;
the drilling device comprises an annular guide frame 1, a drilling device 2, a propelling device 3 and a guide device 4;
the annular guide sleeve 11, the radial connecting rod 12 and the reinforcing rib 13;
a long drill rod 21, a short drill rod 22, a correcting plate 23, a drill rod support 24 and a guide sliding shoe 25;
a guide rod 41 and a guide sleeve 42.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific examples.
Referring to fig. 1 to 5, fig. 1 is a diagram illustrating an operating state of a vertical shaft excavation assisting apparatus according to an embodiment of the present invention; FIG. 2 is an assembled structure view of the circular guide frame and the drilling device in FIG. 1; FIG. 3 is a block diagram of the drilling apparatus of FIG. 1; FIG. 4 is a block diagram of the long drill rod, the short drill rod and the correction plate of FIG. 1; FIG. 5 is a state diagram of the cross isolation slot and the circular arc isolation slot formed in sequence by the long drill rod, the short drill rod and the correction plate in FIG. 4; fig. 5 is a state view of an annular isolation groove formed using the shaft excavation assisting apparatus provided in the present invention. The embodiment of the invention discloses auxiliary shaft excavation equipment which comprises an annular guide frame 1, at least one group of drilling devices 2 and a propelling device 3.
The drilling device 2 and the propelling device 3 are respectively arranged on two sides of the annular guide frame 1, and the propelling device 3 drives the annular guide frame 1 to be close to or far away from the rock stratum, so that the drilling device 2 synchronously moves along with the annular guide frame 1, and the drilling device 2 drills the rock stratum. In this embodiment, the annular guide frame 1 has a cylindrical shape and an outer diameter smaller than that of the excavated rock layer 01.
The drilling device 2 is slidably mounted to the circular guide frame 1 and rotates about the center of the circular guide frame 1. In this embodiment, three sets of drilling devices 2 are specifically installed on the outer side of the annular guide frame 1, the included angle between every two adjacent drilling devices 2 is equal, and the three sets of drilling devices 2 can rotate synchronously.
The propulsion device 3 may be movable with respect to the excavated rock formation 01, but may be fixed with respect to the excavated rock formation 01. In this embodiment, the propulsion device 3 includes a plurality of propulsion hydraulic cylinders and the propulsion connecting plate that links to each other with all propulsion hydraulic cylinders, and a plurality of propulsion hydraulic cylinders are ring shape evenly distributed, and all propulsion hydraulic cylinder's cylinder all links to each other with the propulsion connecting plate, and all propulsion hydraulic cylinder's piston rod all links firmly with annular leading truck 1 mutually to make all propulsion hydraulic cylinders drive annular leading truck 1 through flexible and be close to or keep away from the stratum. Of course, the configuration of the propulsion device 3 is not limited to the propulsion hydraulic cylinder, and the object of the present invention can be achieved by other driving methods.
When breaking rock, the propelling device 3 propels the drilling device 2 through the annular guide frame 1, so that the drilling device 2 drills into the rock stratum to form a sub-isolation groove; then, the pushing device 3 resets, the drilling device 2 rotates for a certain angle along the annular guide frame 1, the pushing device 3 continues to push the drilling device 2 to drill into the rock stratum to form a next sub-isolation groove, the sub-isolation grooves are connected with one another to relieve the bowels to form a complete annular isolation groove, the excavated rock stratum 01 and the surrounding rock stratum 02 are separated, disturbance of the excavated rock stratum 01 on the surrounding rock stratum 02 is reduced, accuracy of each key parameter is improved, and accordingly the fact that the outline of the excavated rock stratum 01 is regular is guaranteed. Therefore, the shaft excavation assisting equipment provided by the invention is beneficial to improving the quality of the shaft.
The invention also comprises a guide device 4 connected with the propelling device 3, wherein the guide device 4 penetrates through the annular guide frame 1 until the annular guide frame abuts against the rock stratum so as to guide the propelling device 3 to feed along the axial direction, ensure the straightness of the shaft, prevent the shaft from bending and be beneficial to further improving the quality of the shaft.
In this embodiment, the guiding device 4 includes a guiding rod 41 and a guiding sleeve 42, wherein one end of the guiding rod 41 is fixedly connected with the propelling device 3, and is fixedly connected with the propelling connection plate by welding. The other end of the guide rod 41 is abutted against the rock stratum, specifically, one end of the guide rod 41 close to the rock stratum is in a conical shape, so that the guide rod 41 can be conveniently inserted into the rock stratum, both ends of the guide rod 41 can be kept fixed in the drilling process, the guide rod 41 is prevented from shaking or deviating due to the vibration of the drilling device 2, the straightness of the vertical shaft is better ensured, and the quality of the vertical shaft is further improved. Of course, the structure of the guide bar 41 is not limited thereto.
The guide sleeve 42 is fixedly arranged at the center of the annular guide frame 1, and the guide rod 41 penetrates through the guide sleeve 42, so that the central axis of the guide sleeve 42 is coincided with the central axis of the annular guide frame, and the central axis of the guide sleeve 42 is also coincided with the central axis of the guide rod 41, and the vertical straightness is better ensured. In this particular embodiment, the guide rod 41 and the guide sleeve 42 are both cylindrical. In order to make the guide rod 41 slide smoothly, an abutting protrusion can be additionally arranged on the periphery of the guide rod 41 or the inner wall of the guide sleeve 42, so that the contact area between the guide rod 41 and the guide sleeve 42 is reduced, the abrasion of the guide rod 41 and the guide sleeve 42 is slowed down, and the service lives of the guide rod 41 and the guide sleeve 42 are prolonged. Of course, the structure of the guide 4 is not limited thereto.
Each set of drilling devices 2 comprises a long drill rod 21 and a short drill rod 22, wherein both the long drill rod 21 and the short drill rod 22 extend axially, the central axes of the long drill rod 21 and the short drill rod 22 are parallel, but the axial lengths of the long drill rod 21 and the short drill rod 22 are not equal, and specifically, the axial length of the long drill rod 21 is greater than that of the short drill rod 22, so that the long drill rod 21 drills into the rock formation before the short drill rod 22.
The end of the long drill rod 21 far away from the annular guide frame 1 and the end of the short drill rod 22 far away from the annular guide frame 1 are both provided with drill bits with the same outer diameter, correspondingly, the vertical distance between the central axis of the long drill rod 21 and the central axis of the short drill rod 22 is smaller than the outer diameter of the drill bits, and the axial lengths of the long drill rod 21 and the short drill rod 22 are unequal, so that collision and interference between the drill bits of the long drill rod 21 and the short drill rod 22 can be avoided, a drilled hole drilled by the long drill rod 21 and a drilled hole drilled by the short drill rod 22 are intersected to form a crossed isolation groove 03, the phenomenon that a rock stratum cannot be fully drilled is avoided, and the excavated rock stratum 01 and the surrounding. The cross-isolation groove 03 here is formed by a number of circular bores. Note that, the single intersecting isolation groove 03 is the sub isolation groove.
In this particular embodiment, each set of drilling apparatus 2 is provided with two long drill rods 21 and two short drill rods 22, with the long and short drill rods 21, 22 being arranged crosswise. It should be noted that each drill rod corresponds to a group of driving members, so that the drill rods can operate independently. Of course, the number of drill rods included in the drilling device 2 is not limited here and can be set according to the implementation.
Furthermore, each group of drilling devices 2 further comprises a correction plate 23 fixedly connected with the long drill rod 21 and the short drill rod 22 respectively, so that the cross isolation groove 03 is corrected by the correction plate 23, the correction plate 23 is arc-shaped, and redundant convex ridges on the surface of the cross isolation groove 03 are scraped off by the correction plate 23 in the process of drilling into the cross isolation groove 03, so that the cross isolation groove 03 is changed into an arc isolation groove 04, the width of the annular isolation groove is increased, and the disturbance of the excavated rock stratum 01 to the surrounding rock stratum 02 is further reduced. In this embodiment, the correction plate 23 is provided with a plurality of through holes for the long drill rod 21 and the short drill rod 22 to vertically pass through, and each through hole is fixedly connected with each drill rod in a welding manner. The correction plate 23 is kept at a suitable distance from the drill head of each drill rod. One side of the correcting plate 23 close to the rock stratum is provided with a plurality of conical bulges so that the conical bulges can strip off the redundant rock blocks after drilling into the rock stratum. Of course, the structure and fixing manner of the correction plate 23 are not limited to this.
Each set of drilling devices 2 further comprises a drill rod support 24 and a stop assembly, wherein the drill rod support 24 is mounted to the annular guide frame 1 for supporting the long drill rod 21 and the short drill rod 22. Spacing subassembly is located between drilling rod support 24 and the annular leading truck 1, prevents that drilling rod support 24 from swinging for annular leading truck 1 to the central axis that makes long drilling rod 21 and short drilling rod 22 remains throughout parallel with the central axis of annular leading truck 1, prevents that long drilling rod 21 and short drilling rod 22 from inclining for annular leading truck 1, thereby prevents that the annular isolation groove is irregular, still is favorable to promoting the shaft quality.
In this embodiment, the annular guiding frame 1 includes at least two coaxially arranged annular guide sleeves 11 distributed in a staggered manner along the axial direction, each annular guide sleeve 11 is connected with the guiding sleeve 42 through a radial connecting rod 12, each radial connecting rod 12 is divided into a plurality of layers, and each layer of radial connecting rod 12 is fixedly connected through a reinforcing rib 13, so as to improve the bending strength of the annular guiding frame 1.
The drill rod support 24 is provided with at least two guide sliding shoes 25 which are correspondingly matched with the annular guide sleeves 11 one by one, the at least two guide sliding shoes 25 are matched with the at least two annular guide sleeves 11, the risk that the drill rod support 24 is inclined relative to the annular guide frame 1 is further reduced, the more the number of the guide sliding shoes 25 and the annular guide sleeves 11 is, the less the possibility that the drill rod support 24 is inclined is, the deformation of the wall of the vertical shaft is prevented, and the quality of the vertical shaft is further improved.
In view of the manufacturing costs, in this particular embodiment the annular guide 1 comprises in particular two annular guide sleeves 11, and correspondingly the drill rod holder 24 is provided with in particular two guide shoes 25, each guide shoe 25 having a U-shaped groove cooperating with an annular guide sleeve 11.
Further, the limiting assembly comprises a limiting groove and a limiting protrusion which are arranged between the annular guide sleeve 11 and the guide sliding shoe 25, and the limiting groove is matched with the limiting protrusion to prevent the guide sliding shoe 25 from inclining or swinging relative to the annular guide sleeve 11. In this embodiment, the limiting grooves are specifically annular grooves formed at both ends of each annular guide sleeve 11, and the two sides of each annular groove are specifically and coaxially provided with an inner limiting baffle and an outer limiting baffle, and accordingly, the limiting protrusions are inserted into the limiting grooves, and the inner limiting baffle and the outer limiting baffle respectively abut against the limiting protrusions, so as to prevent the guide shoes 25 from moving radially relative to the annular guide sleeves 11, thereby preventing each drill rod from inclining. Of course, the structure of the position limiting assembly is not limited thereto.
The invention also comprises a control device connected with the propelling device 3, wherein the control device controls the propelling device 3 to simultaneously drive the long drill rod 21 and the short drill rod 22 to propel towards the rock stratum within the preset time according to the input preset time so as to form the cross isolation groove 03, thereby realizing the automatic formation of the cross isolation groove 03, having high automation degree, being beneficial to improving the efficiency of the drilling machine and further improving the excavation efficiency of the vertical shaft. The preset time may be input to the control device in advance, and the preset time refers to the time required by the propulsion device 3 to form the intersecting isolation groove 03, and is specifically related to factors such as the joints of the rock formation, the propulsion power and the propulsion speed of the propulsion device 3, and may be set according to actual conditions, and is not limited specifically herein. It should be noted that the preset time can be extended appropriately to ensure that the correction plate 23 trims the cross isolation groove 03 into the circular arc isolation groove 04.
After the propelling device 3 runs for the preset time, the cross isolation groove 03 is formed, the control device controls the propelling device 3 to reset, the propelling device 3 drives the drilling device 2 to reset through the annular guide frame 1, namely, the long drill rod 21 and the short drill rod 22 are driven to reset simultaneously, so that the drill bit of the long drill rod 21 and the drill bit of the short drill rod 22 drill out the cross isolation groove 03, and preparation is made for forming the cross isolation groove 03.
Each set of drilling devices 2 further comprises a rotary drive and a return detector, each connected to the control device. Wherein the rotary driving member is connected with the drill rod support 24 and is used for driving the drill rod support 24 to rotate along the annular guide frame 1. In this embodiment, the rotary drive member may be electrically, hydraulically or pneumatically driven, without limitation.
The reset detecting element is used to detect whether the propulsion device 3 is reset, and may be a travel switch or an obstacle detecting sensor, and is not particularly limited herein.
When the reset detection piece detects that the propelling device 3 resets, the reset detection piece sends a signal to the control device, and the control device controls the rotary driving piece to rotate according to the input preset angle, so that the rotary driving piece drives the drill rod support 24 to rotate by the preset angle, thereby realizing the automatic control of the rotation angle of the drill rod support 24, having higher precision, avoiding the discontinuity of any two adjacent crossed isolation grooves 03 and being beneficial to improving the reliability. It should be noted that the preset angle is an angle required for the drill pipe support 24 to rotate when the two adjacent intersecting isolation grooves 03 are communicated, and the preset angle may be input to the control device in advance, and is specifically set according to the inner diameter of the shaft and the width of the drill pipe support 24, and is not limited herein.
The working principle of the vertical shaft auxiliary excavation equipment provided by the invention is as follows:
starting the propelling device 3 and each drilling device 2;
the control device controls the propulsion device 3 to propel towards the rock stratum according to input preset time, the propulsion device 3 pushes the drill rods to approach towards the rock stratum through the annular guide frame 1 connected with the propulsion device, the long drill rod 21 firstly drills into the rock stratum, the short drill rod 22 then drills into the rock stratum, and a cross isolation groove 03 is formed;
the propulsion device 3 continues to propel, and the correction plate 23 trims the crossed isolation groove 03 into an arc isolation groove 04;
after the propelling device 3 runs for a preset time, the control device then controls the propelling device 3 to reset, the propelling device 3 drives the drilling device 2 to reset through the annular guide frame 1, the long drill rod 21 and the short drill rod 22 drill out the cross isolation groove 03, and then the arc isolation groove 04 is trimmed;
when the reset detection piece detects that the propelling device 3 is reset, the reset detection piece sends a signal to the control device, the control device controls the rotary driving piece to rotate according to the input preset angle, and the rotary driving piece drives the drill rod support 24 to rotate by the preset angle;
the control device controls the propulsion device 3 to propel towards the rock stratum according to the input preset time until a next crossed isolation groove 03 communicated with the crossed isolation groove 03 is formed;
the process is circulated until all the crossed isolating grooves 03 are communicated with each other to form a complete ring of annular isolating grooves.
The shaft auxiliary excavation equipment provided by the invention is described in detail, and the principle and the implementation mode of the invention are explained by applying specific examples, and the description of the examples is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims (5)

1. A shaft excavation assisting apparatus comprising:
an annular guide frame (1);
at least one group of drilling devices (2) which are slidably arranged on the annular guide frame (1) and rotate around the center of the annular guide frame (1) to excavate annular isolation grooves for isolating excavated rock stratum (01) and surrounding rock stratum (02);
-a propulsion device (3) for driving the drilling device (2) to feed the rock formation;
a guiding device (4) connected with the propelling device (3) and used for penetrating through the annular guide frame (1) until the annular guide frame is abutted against the rock stratum so as to guide the propelling device (3) to feed along the axial direction;
each set of said drilling devices (2) comprising:
a long drill rod (21) and a short drill rod (22) extending in the axial direction and having unequal axial lengths, the drill hole drilled by the long drill rod (21) intersecting the drill hole drilled by the short drill rod (22) to form a cross isolation slot (03);
the correcting plate (23) is fixedly connected with the long drill rod (21) and the short drill rod (22) respectively and used for finishing the cross isolation groove (03) into an arc isolation groove (04);
a drill rod support (24) mounted to the annular guide frame (1) and supporting the long drill rod (21) and the short drill rod (22);
and the limiting assembly is arranged between the drill rod support (24) and the annular guide frame (1) and used for limiting the drill rod support (24) to prevent the long drill rod (21) and the short drill rod (22) from inclining relative to the annular guide frame (1).
2. Shaft excavation aid according to claim 1, characterized in that the guide means (4) comprise:
a guide rod (41) fixedly connected with the propelling device (3);
and the guide sleeve (42) is fixedly arranged at the center of the annular guide frame (1) and is used for the guide rod (41) to pass through.
3. The auxiliary excavation equipment for the vertical shaft according to claim 2, wherein the annular guide frame (1) comprises at least two coaxially arranged annular guide sleeves (11) which are distributed in an axially staggered manner, the drill rod support (24) is provided with at least two guide shoes (25) which are correspondingly matched with the annular guide sleeves (11) in a one-to-one correspondence manner, and the limiting assembly comprises a limiting groove and a limiting protrusion which are arranged between the annular guide sleeves (11) and the guide shoes (25) and are matched with each other.
4. The vertical shaft excavation assisting equipment as claimed in claim 3, further comprising a control device connected with the propelling device (3), wherein the control device is used for controlling the propelling device (3) to simultaneously drive the long drill rod (21) and the short drill rod (22) to propel towards the rock stratum within a preset time according to an input preset time so as to form the crossed isolation slot (03), and controlling the propelling device (3) to simultaneously drive the long drill rod (21) and the short drill rod (22) to reset after the propelling device (3) operates for the preset time.
5. Shaft excavation assisting apparatus according to claim 4, wherein each set of drilling devices (2) further comprises:
the rotary driving piece is connected with the drill rod support (24) and is used for driving the drill rod support (24) to rotate along the annular guide frame (1);
a reset detection member for detecting whether the propulsion device (3) is reset;
the rotary driving piece and the reset detection piece are respectively connected with the control device, and the control device is used for controlling the rotary driving piece to drive the drill rod support (24) to rotate by the preset angle after the propelling device (3) is reset according to the input preset angle and a signal sent by the reset detection piece.
CN202010138055.4A 2020-03-03 2020-03-03 Shaft excavation assisting equipment Active CN110984997B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010138055.4A CN110984997B (en) 2020-03-03 2020-03-03 Shaft excavation assisting equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010138055.4A CN110984997B (en) 2020-03-03 2020-03-03 Shaft excavation assisting equipment

Publications (2)

Publication Number Publication Date
CN110984997A CN110984997A (en) 2020-04-10
CN110984997B true CN110984997B (en) 2020-06-12

Family

ID=70081374

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010138055.4A Active CN110984997B (en) 2020-03-03 2020-03-03 Shaft excavation assisting equipment

Country Status (1)

Country Link
CN (1) CN110984997B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104389607A (en) * 2014-10-22 2015-03-04 中铁工程装备集团有限公司 Novel drilling and blasting method vertical shaft drilling machine
CN209195246U (en) * 2018-09-26 2019-08-02 中国铁建重工集团股份有限公司 A kind of device for lithostratigraphy slotting
CN110529050A (en) * 2019-09-27 2019-12-03 中煤矿山建设集团有限责任公司 A kind of all-hydraulic intelligent vertical shaft umbrella brill
CN110607989A (en) * 2019-10-25 2019-12-24 中国铁建重工集团股份有限公司 Rock drilling trolley and tunnel tunneling construction method for reducing surrounding rock disturbance

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014078878A1 (en) * 2012-11-19 2014-05-22 Aveng Africa Ltd Shaft sinking apparatus and method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104389607A (en) * 2014-10-22 2015-03-04 中铁工程装备集团有限公司 Novel drilling and blasting method vertical shaft drilling machine
CN209195246U (en) * 2018-09-26 2019-08-02 中国铁建重工集团股份有限公司 A kind of device for lithostratigraphy slotting
CN110529050A (en) * 2019-09-27 2019-12-03 中煤矿山建设集团有限责任公司 A kind of all-hydraulic intelligent vertical shaft umbrella brill
CN110607989A (en) * 2019-10-25 2019-12-24 中国铁建重工集团股份有限公司 Rock drilling trolley and tunnel tunneling construction method for reducing surrounding rock disturbance

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
国外竖井掘进机械化概况及发展趋势;长沙矿山研究院竖井组;《有色金属(采矿部分)》;19741031(第5期);第20-32页 *

Also Published As

Publication number Publication date
CN110984997A (en) 2020-04-10

Similar Documents

Publication Publication Date Title
US4548443A (en) Tunnel boring machine
CN107916937A (en) Drilling tool, drilling machine and drilling method
EP0268188B1 (en) Shielded tunnel excavator
KR101276216B1 (en) A bit assembly of ground excavating apparatus
US3477762A (en) Mining machine and method
CN110984997B (en) Shaft excavation assisting equipment
US3917010A (en) Small diameter horizontal tunneling machine
CN103256048A (en) Mining method of coal drilling unit for comprehensive mechanized coal mining
CN104265315A (en) Novel hard rock tunnel tunneling machine capable of expanding excavation
JP2013108232A (en) Buried pipe propelling device
KR101636720B1 (en) Tunnel boring apparatus to move back and forth
JP4156582B2 (en) Underground excavation equipment
JP4797124B2 (en) Excavation mechanism and machine
US7192093B2 (en) Excavation apparatus and method
US4013319A (en) Tunneling machine with massive guide for impact tools
CN105863662A (en) Tunnel boring machine tunneling method and trenchless tunnel boring machine applying same
KR20100113480A (en) Equipment for drilling secant holes
CN207598246U (en) drilling tool and drilling machine
EP3405648B1 (en) Mining machine and method for operating a mining machine
JP2611896B2 (en) Tunnel excavator
KR100529355B1 (en) Non-vibration multi-core drilling machine
CN113217004A (en) Construction device and construction method for releasing high ground stress by using impact vibration
EP2350420B1 (en) Rock drilling device
CN212479236U (en) Development machine
CN112343610A (en) Pilot tunnel reaming overhang cutting TBM for inclined shaft and construction method

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant