CN114233192B - Guiding device for horizontal drilling of ultrahigh steep slope and high-precision horizontal drilling method - Google Patents

Guiding device for horizontal drilling of ultrahigh steep slope and high-precision horizontal drilling method Download PDF

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Publication number
CN114233192B
CN114233192B CN202111589189.9A CN202111589189A CN114233192B CN 114233192 B CN114233192 B CN 114233192B CN 202111589189 A CN202111589189 A CN 202111589189A CN 114233192 B CN114233192 B CN 114233192B
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drilling
sliding
pile foundation
steep slope
rod
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CN114233192A (en
Inventor
黄茂兴
谢志杰
冯宝珍
刘志军
罗海腾
梁何龙
刘忠干
龚文江
陈运彬
邱财元
翁政曙
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Guangdong Yuantian Engineering Co Ltd
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Guangdong Yuantian Engineering Co Ltd
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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/046—Directional drilling horizontal drilling
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B15/00—Supports for the drilling machine, e.g. derricks or masts
    • E21B15/04—Supports for the drilling machine, e.g. derricks or masts specially adapted for directional drilling, e.g. slant hole rigs
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/24—Guiding or centralising devices for drilling rods or pipes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
    • Y02A10/23—Dune restoration or creation; Cliff stabilisation

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (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 relates to the technical field of foundation pit slope horizontal drilling, in particular to a guiding device for ultra-high steep slope horizontal drilling and a high-precision horizontal drilling method, wherein the guiding device comprises a foundation pit steep slope, a pile foundation column is vertically inserted in the foundation pit steep slope, the upper end of one side, close to the pile foundation column, of the pile foundation column is fixed through an upper connecting rod, an inclined frame is slidably mounted at the lower end of the other side of the pile foundation column, a guiding device is vertically slidably mounted on the pile foundation column, and a motor-driven double-head support with a pair of winding rollers which are vertically symmetrical is arranged on the upper connecting rod, and has the advantages that: accurate level adjustment is realized through setting up laser instrument and receiver, simultaneously through the cooperation that sets up motor drive's cam and supporting screw to the realization carries out the rigidity to guider and drilling equipment behind the altitude mixture control, and then provides stable horizontal feed drilling, has improved the precision and the stability of drilling.

Description

Guiding device for horizontal drilling of ultrahigh steep slope and high-precision horizontal drilling method
Technical Field
The invention relates to the technical field of foundation pit slope horizontal drilling, in particular to a guiding device for ultrahigh steep slope horizontal drilling and a high-precision horizontal drilling method.
Background
Along with the construction of high-rise buildings, the higher the number of high-rise layers is, the deeper the foundation pit depth required to be excavated in the construction process is, and in order to improve the protection of the foundation pit, a hole is usually drilled horizontally on the slope surface of the foundation pit and is externally connected with a protection frame, so that the collapse is prevented.
In the work progress of carrying out foundation ditch slope face drilling, because domatic steeper, constructor is difficult to the accurate construction, and current automatic drilling equipment is when unsettled installation, because the rigidity difficulty, positioning accuracy is poor to lead to causing the offset at the drilling in-process, and the vibration of rig causes drilling accuracy lower.
Therefore, the guiding device for the horizontal drilling of the ultra-high steep slope and the method for the high-precision horizontal drilling are provided, and the problems of positioning and precision of the horizontal drilling of the slope surface of the foundation pit are solved.
Disclosure of Invention
The invention aims to provide a guiding device for horizontal drilling on an ultra-high steep slope and a method for horizontal drilling with high precision, so as to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
the guiding device for the horizontal drilling of the ultrahigh steep slope comprises a foundation pit steep slope, a pile foundation column is vertically inserted into the foundation pit steep slope in an inserted manner, the upper end of one side, close to the pile foundation column, of the pile foundation column is fixed through an upper connecting rod, an inclined frame is slidably mounted at the lower end of the other side of the pile foundation column, a guiding assembly is vertically slidably mounted on the pile foundation column, a motor-driven double-end support with a pair of vertically symmetrical winding rollers is arranged on the upper connecting rod, the guiding assembly is connected with the lower winding roller of the double-end support through a second traction rope, and the guiding assembly comprises a guiding sleeve with the upper end transversely penetrating through and a mounting block with a laser instrument, and the lower end of the guiding sleeve is slidably mounted on the pile foundation column;
sliding mounting has drilling equipment on the sloping frame, drilling equipment's upper end is through the upper end wind-up roll of first haulage rope connection double-end support, and drilling equipment includes horizontal telescopic link of horizontal drive, the drilling rod that the rig rotation is connected, and drilling equipment's lower extreme passes through the supporting screw to be fixed on the sloping frame, and drilling equipment's lower extreme and the lower extreme of drilling point on the abrupt slope inclined plane of foundation ditch all are provided with the receiver, last laser instrument of direction subassembly and the receiver cooperation aligning.
Preferably, the lower extreme transverse connection of pile foundation stand has the guide rail, the lower extreme of tipper is provided with the base of slidable mounting on the guide rail, and both sides run through and are provided with the open slot around the guide rail, the screw thread rotates on the outer wall around the base and pegs graft and have the extension rod that runs through the open slot, be provided with the lock nut of pressfitting on the guide rail outer wall that the screw thread rotated the installation on the extension rod.
Preferably, an inner cavity of the upper end of the pile foundation upright post is provided with a pair of second sliding grooves which are symmetrical front and back, a cam driven by a built-in motor is arranged in an inner cavity of the lower end mounting block of the guide assembly, a pair of laser instruments are arranged on the left side and the right side of the lower end mounting block of the guide assembly, and a pair of sliding rods are inserted into the front side and the back side of the lower end mounting block of the guide assembly.
Preferably, end blocks are arranged at two ends of the sliding rod, the end blocks outside the sliding rod are inserted in the second sliding grooves in a sliding mode, the end blocks inside the sliding rod are provided with rotating grooves attached to the arc outer wall of the cam, and the end blocks are attached to the outer wall of the cam.
Preferably, the inner side of the sliding rod is sleeved with a spring, and the spring is pressed between the inner wall of the guide assembly and the end block at the inner side of the sliding rod.
Preferably, the upper end of sloping frame is provided with the kicking block, and the lower extreme of kicking block is provided with a pair of branch that extends to on the base of longitudinal symmetry, all be provided with the directive wheel on the branch with the one end that the upper connecting rod is close to the pile foundation stand, first haulage rope and second haulage rope extend to on the double-end support through the directive wheel smoothness respectively.
Preferably, the inner side of the inclined frame is provided with a first sliding groove, the lower end of the drilling device is provided with a cross beam which is in sliding fit with the inclined outer wall of the inclined frame, the lower end of the cross beam is in sliding insertion in the first sliding groove, the lower end of the cross beam is vertically provided with a supporting screw rod, an upper end bearing of the supporting screw rod is rotatably installed on the cross beam, and the lower end of the supporting screw rod is in insertion connection with a sliding sleeve which is in sliding installation on the inclined frame.
Preferably, the upper end of the base is provided with a transverse sliding groove which transversely penetrates through the base, the lower end of the sliding sleeve is slidably mounted in the transverse sliding groove, the outer wall of the lower end of the supporting screw rod is rotatably provided with a supporting nut in a threaded manner, and the supporting nut is pressed on the upper end face of the sliding sleeve.
Preferably, the distance from the center of the circle of the inner cavity of the guide sleeve on the guide assembly to the laser instrument is equal to the distance from the drill rod to the receiver on the drilling device, and the vertical height from the receiver on the steep slope inclined surface of the foundation pit to the drilling point is equal to the distance from the drill rod to the receiver on the drilling device.
A high-precision horizontal drilling method realized according to the guiding device for the horizontal drilling of the ultrahigh steep slope comprises the following steps:
s1: an upper connecting rod is transversely fixed at the upper end of a pile foundation upright column vertically poured in a foundation pit, a double-end support with a pair of winding rollers driven by a motor is vertically installed, a guide rail is arranged at the lower end of the pile foundation upright column, and a receiver is fixed at the lower end of a drilling point of an abrupt slope inclined plane of the foundation pit at a vertical fixed-length position;
s2: the guide assembly is driven to move up and down through the second traction rope, the laser instrument is matched with the receiver on the steep slope inclined plane of the foundation pit, when laser is accurately aligned with the receiver, the cam is driven to rotate through the built-in motor, and then the spring is compressed, so that the end block at the outer side of the sliding rod is tightly abutted against the inner wall of the second sliding groove, and the accurate height adjustment of the guide assembly is realized;
s3: the drilling device is driven to ascend and descend by the aid of the first traction rope, the height of the drilling device is determined by means of matching of a laser instrument on the guide assembly and a receiver on the drilling device, the sliding sleeve is located at the lower end of the cross beam by means of transverse adjustment of the sliding sleeve, a support screw is vertically inserted between the cross beam and the sliding sleeve, the height of the support nut is adjusted, the drilling device is supported and fixed in height, and the drill rod, the guide sleeve of the guide assembly and a drilling point are in equal-height parallel;
s4: through the slip of the sloping frame on the guide rail, adjust the distance with the pile foundation stand for the drilling rod is pegged graft in the guide sleeve of direction subassembly, reaches the purpose of fixed sloping frame through extension rod and lock nut's cooperation, realizes the horizontal drilling to foundation ditch abrupt slope inclined plane drilling point under the effect of horizontal telescopic link and rig.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the automatic drilling device, the guide assembly is arranged at the front end of the automatic drilling device, so that the position of a drilling hole is limited, the guide assembly and the drilling device are conveniently and quickly adjusted in height by utilizing the matching of the upright post and the inclined frame, and meanwhile, the drilling hole and the guide structure are separately installed, so that the influence of vibration generated by the rotation of the drilling machine on the drilling hole is greatly reduced;
2. according to the invention, the laser instrument and the receiver are arranged to realize accurate horizontal height adjustment, and the motor-driven cam is matched with the supporting screw rod, so that the guide assembly and the drilling device after height adjustment are fixed in position, stable horizontal feeding drilling is further provided, and the accuracy and stability of drilling are improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a schematic view of the structure of the guiding device of the present invention;
FIG. 4 is a perspective view of the guiding device of the present invention;
FIG. 5 is a schematic perspective view of the drilling apparatus of the present invention;
FIG. 6 is a perspective view of the tilting frame of the present invention;
FIG. 7 is a schematic perspective view of a pillar according to the present invention;
fig. 8 is a front view of the drilling apparatus of the present invention.
In the figure: 1. a steep slope of the foundation pit; 2. pile foundation columns; 3. a guide rail; 4. an inclined frame; 5. a guide assembly; 6. a drilling device; 7. a transverse telescopic rod; 8. a drilling machine; 9. a drill stem; 10. a cross beam; 11. a support screw; 12. a sliding sleeve; 13. an open slot; 14. a base; 15. an extension rod; 16. locking the nut; 17. a receiver; 18. a laser instrument; 19. a double-ended bracket; 20. a wind-up roll; 21. an upper connecting rod; 22. a first pull cord; 23. a strut; 24. a transverse chute; 25. a first chute; 26. a support nut; 27. a second chute; 28. a second pull cord; 29. a top block; 30. a steering wheel; 31. a cam; 32. a spring; 33. a slide bar; 34. an end-block.
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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Referring to fig. 1 to 8, the present invention provides a technical solution:
guiding device of super high abrupt slope horizontal drilling, including foundation ditch abrupt slope 1, vertical grafting has pile foundation stand 2 in the foundation ditch abrupt slope 1, and pile foundation stand 2 is close to one side upper end of pile foundation stand 2 and is fixed through upper connecting rod 21, is connected with 1 upper end horizontal plane in foundation ditch abrupt slope through setting up upper connecting rod 21 to realize pile foundation stand 2's stable vertical installation.
There is the tipper 4 pile foundation column 2's opposite side lower extreme slidable mounting, pile foundation column 2's lower extreme transverse connection has guide rail 3, the lower extreme of tipper 4 is provided with slidable mounting base 14 on guide rail 3, both sides are run through and are provided with open slot 13 around guide rail 3, screw rotation pegs graft on the outer wall around base 14 has extension rod 15 that runs through open slot 13, be provided with lock nut 16 of pressfitting on 3 outer walls of guide rail of screw rotation installation on extension rod 15, base 14 through 4 lower extreme of tipper and guide rail 3's cooperation, realize the transverse sliding installation on pile foundation column 2 right side of tipper 4, realize fixing 4 transverse position of tipper through extension rod 15 and lock nut 16's cooperation simultaneously.
Vertical slidable mounting has direction subassembly 5 on pile foundation stand 2, the upper end inner chamber of pile foundation stand 2 is provided with a pair of second spout 27 of fore-and-aft symmetry, it has a pair of slide bar 33 to peg graft in both sides around the 5 lower extreme installation pieces of direction subassembly, the both ends of slide bar 33 all are provided with end block 34, end block 34 in the slide bar 33 outside slides and pegs graft in second spout 27, utilize end block 34 and second spout 27's cooperation, realize the vertical stable lift of direction subassembly 5, prevent to cause the skew of direction subassembly 5.
The guide assembly 5 comprises a guide sleeve with the upper end transversely penetrating through and an installation block with a laser instrument 18 and the lower end slidably installed on the pile foundation upright post 2, a cam 31 driven by a built-in motor is arranged in an inner cavity of the installation block at the lower end of the guide assembly 5, a pair of laser instruments 18 are arranged on the left side and the right side of the installation block at the lower end of the guide assembly 5, a rotary groove attached to the arc outer wall of the cam 31 is arranged on an end block 34 on the inner side of a sliding rod 33, the end block 34 is attached to the outer wall of the cam 31, a spring 32 is sleeved on the inner side of the sliding rod 33, the spring 32 is pressed between the inner wall of the guide assembly 5 and the end block 34 on the inner side of the sliding rod 33, the cam 31 is driven to rotate through the built-in motor, after the height of the guide assembly 5 is determined, the inner side end block 34 is pressed through the rotation of the cam 31, the spring 32 is further compressed, the sliding rod 33 is pressed to the outer side, the end block 34 on the second sliding groove 27 is fixed and pressed, a positional fixation of the guide assembly 5 is achieved while the lateral position of the drill rod 9 in the drilling device 6 is defined by means of the guide sleeve, a horizontal alignment being provided by means of the laser instrument 18.
The double-end support 19 which is driven by a motor and provided with a pair of winding rollers 20 which are symmetrical up and down is arranged on the upper connecting rod 21, the guide assembly 5 is connected with the lower end winding roller 20 of the double-end support 19 through a second traction rope 28, the upper end of the inclined frame 4 is provided with a top block 29, the lower end of the top block 29 is provided with a pair of support rods 23 which are symmetrical front and back and extend onto the base 14, a steering wheel 30 is arranged on each support rod 23 and one end, close to the pile foundation upright post 2, of the upper connecting rod 21, the first traction rope 22 and the second traction rope 28 extend onto the double-end support 19 smoothly through the steering wheels 30 respectively, the winding rollers 20 are driven by the motor to rotate, the second traction rope 28 is driven to contract or extend, height traction adjustment of the guide assembly 5 is achieved, and smooth steering extension of the first traction rope 22 and the second traction rope 28 is achieved through the steering wheels 30.
There is drilling equipment 6 sliding on the tilting frame 4, the first sliding groove 25 is arranged on the inner side of the tilting frame 4, the lower end of the drilling equipment 6 is provided with a beam 10 sliding and fitting the tilting wall of the tilting frame 4, the lower end of the beam 10 is inserted in the first sliding groove 25 in a sliding manner, and the limiting sliding of the drilling equipment 6 on the tilting frame 4 is realized through the matching of the beam 10 and the first sliding groove 25.
The upper end of the drilling device 6 is connected with the upper end winding roller 20 of the double-end support 19 through a first traction rope 22, and the height of the drilling device 6 on the inclined frame 4 is adjusted by the cooperation of the first traction rope 22 and the winding roller 20 on the double-end support 19.
The lower extreme of drilling equipment 6 and the lower extreme of the drilling point on the foundation ditch abrupt slope 1 inclined plane all are provided with receiver 17, and laser instrument 18 on the direction subassembly 5 is straightened with the cooperation of receiver 17, makes drilling equipment 6 and direction subassembly 5 wait equally flush through the cooperation of laser instrument 18 and receiver 17.
The lower end of the drilling device 6 is fixed on the inclined rack 4 through a support screw 11, the lower end of the beam 10 is vertically provided with the support screw 11, the upper end bearing of the support screw 11 is rotatably installed on the beam 10, the lower end of the support screw 11 is inserted on a sliding sleeve 12 which is slidably installed on the inclined rack 4, the upper end of the base 14 is provided with a transverse sliding chute 24 which transversely penetrates through, the lower end of the sliding sleeve 12 is slidably installed in the transverse sliding chute 24, the outer wall of the lower end of the support screw 11 is rotatably provided with a support nut 26, the support nut 26 is pressed on the upper end surface of the sliding sleeve 12, after the height of the drilling device 6 is determined, the sliding sleeve 12 is adjusted to transversely slide on the base 14, so that the sliding sleeve 12 is positioned right below the beam 10, the support screw 11 is vertically inserted between the sliding sleeve 12 and the beam 10, and the position of the support nut 26 on the support screw 11 is adjusted, so that the support nut 26 presses on the sliding sleeve 12, forming a stable support for the drilling device 6.
The drilling device 6 comprises a transverse telescopic rod 7 driven transversely, a drilling machine 9 connected with the drilling machine 8 in a rotating mode, the distance from the circle center of the inner cavity of a guide sleeve on the guide assembly 5 to a laser instrument 18 is equal to the distance from the drilling rod 9 to a receiver 17 on the drilling device 6, the distance from the receiver 17 on the inclined plane of the foundation pit steep slope 1 to a drilling point is equal to the distance from the drilling rod 9 to the receiver 17 on the drilling device 6, the vertical height from the receiver 17 to the drilling point is limited, and therefore after horizontal laser calibration, the guide sleeve and the drilling rod 9 of the guide assembly 5 are kept at the same height with the drilling point horizontally, and the purpose of improving the positioning accuracy of drilling is achieved.
A high-precision horizontal drilling method realized according to the guiding device for the horizontal drilling of the ultrahigh steep slope comprises the following steps:
s1: an upper connecting rod 21 is transversely fixed at the upper end of a pile foundation upright post 2 vertically poured in a foundation pit, a double-end bracket 19 with a pair of winding rollers 20 driven by a motor is vertically installed, a guide rail 3 is arranged at the lower end of the pile foundation upright post 2, and a receiver 17 is fixed at the lower end of a drilling point of an inclined plane of a foundation pit steep slope 1 in a vertical fixed-length position;
s2: the guide component 5 is driven to move up and down through the second traction rope 28, the laser instrument 18 is matched with the receiver 17 on the inclined plane of the foundation pit steep slope 1, when laser is accurately aligned with the receiver 17, the cam 31 is driven to rotate through the built-in motor, and then the spring 32 is compressed, so that the end block 34 outside the slide bar 33 is tightly abutted against the inner wall of the second chute 27, and the accurate height adjustment of the guide component 5 is realized;
s3: the drilling device 6 is driven to ascend and descend by the aid of the first traction rope 22, the height of the drilling device 6 is determined by means of matching of the laser instrument 18 on the guide assembly 5 and the receiver 17 on the drilling device 6, the sliding sleeve 12 is located at the lower end of the cross beam 10 by means of transversely adjusting the sliding sleeve 12, the supporting screw rod 11 is vertically inserted between the cross beam 10 and the sliding sleeve 12, the height of the supporting nut 26 is adjusted, supporting and height fixing of the drilling device 6 are achieved, and the drill rod 9, the guide sleeve of the guide assembly 5 and a drilling point are in equal height and parallel;
s4: through the slip of the outrigger 4 on the guide rail 3, adjust the distance with pile foundation column 2 for drilling rod 9 is pegged graft in the guide sleeve of direction subassembly 5, reaches the purpose of fixed outrigger 4 through the cooperation of extension rod 15 and lock nut 16, realizes the horizontal drilling to foundation ditch abrupt slope 1 inclined plane drilling point under the effect of horizontal telescopic link 7 and rig 8.
The working principle is as follows: at first, the upper end of a pile foundation upright post 2 vertically poured in a foundation pit is transversely fixed with an upper connecting rod 21, a double-end support 19 with a pair of winding rollers 20 driven by a motor is vertically installed, the upper connecting rod 21 is connected with the upper end horizontal plane of a foundation pit abrupt slope 1 through arrangement, so that the stable vertical installation of the pile foundation upright post 2 is realized, the transverse sliding installation of an inclined frame 4 on the right side of the pile foundation upright post 2 is realized through the matching of a base 14 at the lower end of the inclined plane drilling point of the foundation pit abrupt slope 4 and a guide rail 3, a receiver 17 is fixed at the lower end vertical fixed length position of the inclined plane drilling point of the foundation pit abrupt slope 1, and the vertical height is H1.
Utilize the cooperation of end block 34 and second spout 27, realize the vertical stable lift of direction subassembly 5, prevent to cause the skew of direction subassembly 5, decide wind-up roll 20 through the motor area and rotate, and then drive the shrink or extend of second haulage rope 28, realize the high traction control to direction subassembly 5, realize the smooth rotation of first haulage rope 22 and second haulage rope 28 through directive wheel 30 and extend, provide horizontal calibration through laser instrument 18, after the height is confirmed, extrude inboard end block 34 through the rotation of cam 31, and then make spring 32 compressed, slide bar 33 extrudees to the outside, make the fixed pressfitting of outside end block 34 on second spout 27, reach the fixed position to direction subassembly 5, utilize the guide sleeve to inject the horizontal position of drilling rod 9 in drilling equipment 6 simultaneously, wherein the distance of laser instrument 18 from the guide sleeve of direction subassembly 5 is H2.
The height of the drilling device 6 on the inclined rack 4 is adjusted through the cooperation of the cross beam 10 and the first sliding groove 25, the height of the drilling device 6 on the inclined rack 4 is adjusted through the cooperation of the first traction rope 22 and the winding roller 20 on the double-end support 19, the drilling device 6 and the guide assembly 5 are flush in height through the cooperation of the laser instrument 18 and the receiver 17, after the height of the drilling device 6 is determined, the sliding sleeve 12 is adjusted to slide on the base 14 in the transverse direction, the sliding sleeve 12 is located right below the cross beam 10, the supporting screw rod 11 is vertically inserted between the sliding sleeve 12 and the cross beam 10, the supporting nut 26 is pressed on the sliding sleeve 12 through adjusting the position of the supporting nut 26 on the supporting screw rod 11, and stable support for the drilling device 6 is formed, wherein the height of the receiver 17 on the drilling device 6 from the drill rod 9 is H3.
Wherein: H1H 2H 3, in which the drill rod 9, the guide sleeve of the guide assembly 5 and the drilling point are flush with each other.
Through the slip of the outrigger 4 on the guide rail 3, adjust the distance with pile foundation column 2 for drilling rod 9 is pegged graft in the guide sleeve of direction subassembly 5, reaches the purpose of fixed outrigger 4 through the cooperation of extension rod 15 and lock nut 16, realizes the horizontal drilling to foundation ditch abrupt slope 1 inclined plane drilling point under the effect of horizontal telescopic link 7 and rig 8.
The drilling machine 8, the laser instrument 18, the receiver 17 and the built-in motor are all common technical means in the prior art and are not described in detail.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. Guiding device of superelevation abrupt slope horizontal drilling, including foundation ditch abrupt slope (1), its characterized in that: the foundation pit steep slope is characterized in that a pile foundation column (2) is vertically inserted into the foundation pit steep slope (1), the upper end of one side, close to the pile foundation column (2), of the pile foundation column (2) is fixed through an upper connecting rod (21), an inclined frame (4) is slidably mounted at the lower end of the other side of the pile foundation column (2), a guide assembly (5) is vertically slidably mounted on the pile foundation column (2), a motor-driven double-end support (19) with a pair of winding rollers (20) which are symmetrical up and down is arranged on the upper connecting rod (21), the guide assembly (5) is connected with the lower winding roller (20) of the double-end support (19) through a second traction rope (28), and the guide assembly (5) comprises a guide sleeve with the upper end transversely penetrating through and a mounting block with a laser instrument (18) with the lower end slidably mounted on the pile foundation column (2);
slidable mounting has drilling equipment (6) on sloping frame (4), upper end wind-up roll (20) of double-end support (19) are connected through first haulage rope (22) to the upper end of drilling equipment (6), and drilling equipment (6) are including horizontal telescopic link (7), the drilling rod (9) of rig (8) rotation connection of horizontal drive, and the lower extreme of drilling equipment (6) is passed through supporting screw (11) and is fixed on sloping frame (4), and the lower extreme of drilling point all is provided with receiver (17) on the lower extreme of drilling equipment (6) and foundation ditch abrupt slope (1) inclined plane, laser instrument (18) on direction subassembly (5) and receiver (17) cooperation aligning.
2. The guiding device for the ultra-high steep slope horizontal drilling hole according to claim 1, wherein: the lower extreme transverse connection of pile foundation stand (2) has guide rail (3), the lower extreme of sloping frame (4) is provided with base (14) of slidable mounting on guide rail (3), and both sides are run through and are provided with open slot (13) around guide rail (3), screw thread rotation grafting has extension rod (15) that runs through open slot (13) around base (14) on the outer wall, be provided with lock nut (16) of pressfitting on guide rail (3) outer wall that the screw thread rotated the installation on extension rod (15).
3. The guiding device for the ultra-high steep slope horizontal drilling hole according to claim 1, wherein: the pile foundation upright post is characterized in that a pair of second sliding grooves (27) which are symmetrical front and back are formed in an inner cavity of the upper end of the pile foundation upright post (2), a cam (31) driven by a built-in motor is arranged in an inner cavity of a mounting block at the lower end of the guide assembly (5), a pair of laser instruments (18) are arranged on the left side and the right side of the mounting block at the lower end of the guide assembly (5), and a pair of sliding rods (33) are inserted into the front side and the back side of the mounting block at the lower end of the guide assembly (5).
4. The guiding device for the ultra-high steep slope horizontal drilling hole according to claim 3, wherein: end blocks (34) are arranged at two ends of the sliding rod (33), the end blocks (34) on the outer sides of the sliding rods (33) are inserted in the second sliding grooves (27) in a sliding mode, rotating grooves attached to the arc outer walls of the cams (31) are formed in the end blocks (34) on the inner sides of the sliding rods (33), and the end blocks (34) are attached to the outer walls of the cams (31).
5. The guiding device for the ultra-high steep slope horizontal drilling hole according to claim 4, wherein: the inner side of the sliding rod (33) is sleeved with a spring (32), and the spring (32) is pressed between the inner wall of the guide component (5) and the end block (34) at the inner side of the sliding rod (33).
6. The guiding device for the ultra-high steep slope horizontal drilling hole according to claim 2, wherein: the upper end of sloping frame (4) is provided with kicking block (29), and the lower extreme of kicking block (29) is provided with a pair of branch (23) that extend to on base (14) of front and back symmetry, the one end that is close to pile foundation stand (2) on branch (23) and last connecting rod (21) all is provided with directive wheel (30), first haulage rope (22) and second haulage rope (28) are respectively through directive wheel (30) smooth extension to on double-end support (19).
7. The guiding device for the ultra-high steep slope horizontal drilling hole according to claim 6, wherein: the drilling device is characterized in that a first sliding groove (25) is formed in the inner side of the inclined frame (4), a cross beam (10) which is attached to the inclined outer wall of the inclined frame (4) in a sliding mode is arranged at the lower end of the drilling device (6), the lower end of the cross beam (10) is inserted into the first sliding groove (25) in a sliding mode, a supporting screw rod (11) is vertically arranged at the lower end of the cross beam (10), an upper end bearing of the supporting screw rod (11) is installed on the cross beam (10) in a rotating mode, and the lower end of the supporting screw rod (11) is inserted into a sliding sleeve (12) which is installed on the inclined frame (4) in a sliding mode.
8. The guiding device for the ultra-high steep slope horizontal drilling hole according to claim 7, wherein: the upper end of the base (14) is provided with a transverse sliding groove (24) which transversely penetrates through, the lower end of the sliding sleeve (12) is slidably mounted in the transverse sliding groove (24), a supporting nut (26) is rotatably mounted on the outer wall of the lower end of the supporting screw rod (11) in a threaded mode, and the supporting nut (26) is pressed on the upper end face of the sliding sleeve (12).
9. The guiding device for the ultra-high steep slope horizontal drilling hole according to claim 1, wherein: the height of the circle center of the inner cavity of the guide sleeve on the guide assembly (5) from the laser instrument (18) is equal to the distance between the drill rod (9) and the receiver (17) on the drilling device (6), and the vertical height of the receiver (17) on the inclined surface of the foundation pit steep slope (1) from the drilling point is equal to the distance between the drill rod (9) and the receiver (17) on the drilling device (6).
10. A high-precision horizontal drilling method realized by the guiding device for the horizontal drilling of the ultra-high-steep slope according to any one of claims 1 to 9, wherein the guiding device comprises: the method comprises the following steps:
s1: an upper connecting rod (21) is transversely fixed at the upper end of a pile foundation upright post (2) vertically poured in a foundation pit, a double-end support (19) with a pair of winding rollers (20) driven by a motor is vertically installed, a guide rail (3) is arranged at the lower end of the pile foundation upright post (2), and a receiver (17) is fixed at the vertical fixed-length position at the lower end of an inclined plane drilling point of a foundation pit steep slope (1);
s2: the guide component (5) is driven to move up and down through a second traction rope (28), the laser instrument (18) is matched with the receiver (17) on the inclined plane of the foundation pit steep slope (1), when laser is accurately aligned to the receiver (17), the cam (31) is driven to rotate through the built-in motor, and then the spring (32) is compressed, so that the end block (34) on the outer side of the sliding rod (33) is tightly abutted to the inner wall of the second sliding groove (27), and accurate height adjustment of the guide component (5) is realized;
s3: the drilling device (6) is driven to lift and slide by a first traction rope (22), the height of the drilling device (6) is determined by matching a laser instrument (18) on the guide assembly (5) with a receiver (17) on the drilling device (6), and then the sliding sleeve (12) is transversely adjusted, so that the sliding sleeve (12) is positioned at the lower end of the cross beam (10), a support screw (11) is vertically inserted between the cross beam (10) and the sliding sleeve (12) and the height of a support nut (26) is adjusted, the drilling device (6) is supported and fixed in height, and the drill rod (9), the guide sleeve and a drilling point of the guide assembly (5) are in equal height and parallel;
s4: through the slip of sloping frame (4) on guide rail (3), adjust the distance with pile foundation stand (2) for drilling rod (9) are pegged graft in the guide sleeve of direction subassembly (5), reach the purpose of fixed sloping frame (4) through the cooperation of extension rod (15) and lock nut (16), realize under the effect of horizontal telescopic link (7) and rig (8) that to foundation ditch abrupt slope (1) inclined plane drilling point horizontal drilling.
CN202111589189.9A 2021-12-23 2021-12-23 Guiding device for horizontal drilling of ultrahigh steep slope and high-precision horizontal drilling method Active CN114233192B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080073121A1 (en) * 2006-09-27 2008-03-27 Jason Austin Cartwright Laser Control System and Apparatus for Drilling and Boring Operations
EA033958B1 (en) * 2017-05-11 2019-12-13 Общество С Ограниченной Ответственностью "Мемпэкс" Drilling machine with laser control of pilot drilling
CN207377491U (en) * 2017-10-31 2018-05-18 陈智峰 A kind of high gradient slope anchors boring constructing device
CN111794679A (en) * 2020-07-15 2020-10-20 中国水利水电第五工程局有限公司 Horizontal light blasting hole direction control device and use method thereof
CN113719272A (en) * 2021-09-01 2021-11-30 航天建筑设计研究院有限公司 Vertical measurement while drilling control device for drilled pile

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