CN114109267B - Anchor cable pore-forming construction pad and anchor cable pore-forming construction method - Google Patents
Anchor cable pore-forming construction pad and anchor cable pore-forming construction method Download PDFInfo
- Publication number
- CN114109267B CN114109267B CN202111342307.6A CN202111342307A CN114109267B CN 114109267 B CN114109267 B CN 114109267B CN 202111342307 A CN202111342307 A CN 202111342307A CN 114109267 B CN114109267 B CN 114109267B
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- China
- Prior art keywords
- cushion block
- stage
- stage cushion
- anchor cable
- spline
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B25/00—Apparatus for obtaining or removing undisturbed cores, e.g. core barrels, core extractors
-
- 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
Abstract
The invention discloses an anchor cable pore-forming construction pad and an anchor cable pore-forming construction method, which comprise the following steps: the first-stage cushion block A and the first-stage cushion block B are controllably and rotatably hinged with the first-stage cushion block A; the middle cushion block A can telescopically slide with the first cushion block A; a final-stage cushion block A which can telescopically slide with the middle-stage cushion block A; the middle cushion block B can telescopically slide with the first cushion block B; and the final cushion block B can telescopically slide with the intermediate cushion block B. Because the first-stage cushion block A, the first-stage cushion block B, the telescopic middle-stage cushion block A, the last-stage cushion block A, the middle-stage cushion block B and the last-stage cushion block B can all be located at a high-strength point on a side slope body, when the force supported by the force application foot for deepening the drill anchor cable hole is increased, the side slope body can not be instantly extruded or instantly collapsed, and the problem that a drill rig is subjected to sudden change vibration and can drive a drill rod sleeve to deviate or break and damage is solved.
Description
Technical Field
The invention relates to an anchor cable pore-forming construction pad and an anchor cable pore-forming construction method, and belongs to the technical field of anchor cable construction.
Background
During anchor cable pore-forming construction, need drill the anchor rope hole 1 of placing the anchor rope earlier, before drilling anchor rope hole 1 on the side slope body 2, in order to facilitate rig 3 application of force, need support the application of force foot 31 of rig 3 in the drill way of anchor rope hole 1, at present when the construction, can use rectangular beam 4 to support earlier on the side slope body 2 after through bolt and application of force foot 31 be connected, as shown in fig. 1.
Although the stress support for the force application foot 31 can be achieved, when the rectangular beam 4 abuts against the slope body 2 with uneven strength distribution, once the anchor cable hole 1 is drilled to be deeper, the force required to be supported by the force application foot 31 is increased, the part, with low stress strength, of the slope body 2 contacted with the rectangular beam 4 is instantly extruded or instantly collapsed, so that the drilling machine 3 is subjected to sudden vibration, and the drilling machine 3 can carry the drill rod sleeve 5 to shift or break and damage.
Disclosure of Invention
In order to solve the technical problems, the invention provides an anchor cable hole-forming construction pad and an anchor cable hole-forming construction method.
The invention is realized by the following technical scheme.
The invention provides an anchor cable pore-forming construction pad, comprising:
the first-stage cushion block A and the first-stage cushion block B are controllably and rotatably hinged with the first-stage cushion block A;
the middle cushion block A can telescopically slide with the first cushion block A; a final-stage cushion block A which can telescopically slide with the middle-stage cushion block A;
the middle cushion block B can telescopically slide with the first cushion block B; and the final cushion block B can telescopically slide with the intermediate cushion block B.
The middle cushion blocks A can be one or a plurality of mutually telescopic sliding blocks; the middle cushion block B can be one or a plurality of blocks which can telescopically slide mutually.
The first-stage cushion block A, the middle-stage cushion block A and the last-stage cushion block A are sequentially reduced; the first-stage cushion block B, the middle-stage cushion block B and the last-stage cushion block B are sequentially reduced; the sizes of the first-stage cushion block A and the first-stage cushion block B which are positioned at the bottom of the force application foot are the largest, and the stable stress supporting at the bottom of the force application foot is realized.
And telescopic assemblies are fixedly mounted on any or all side edges of the first-stage cushion block A, the middle-stage cushion block A, the last-stage cushion block A, the first-stage cushion block B, the middle-stage cushion block B and the last-stage cushion block B, and the telescopic assemblies are fixedly provided with base plates.
The telescopic assembly comprises a nut and a bolt screwed with the nut, a base plate is fixed at the bottom of the bolt, and the height of a supporting point of the side slope body and the expansion of each level of structural cushion blocks are adjusted by screwing the bolt and the nut, so that the telescopic assembly can be in contact with the high-strength supporting point of the side slope body for supporting fast.
The bottom of the spline shaft is of a round shaft structure, the top of the spline shaft is of a spline structure, the primary cushion block A and the primary cushion block B are both provided with spline-shaped hinge through holes, the inner surface of the small diameter of each hinge through hole is circular and matched with the round shaft structure of the spline shaft, and the inner surface of the large diameter of each hinge through hole is of a spline shape matched with the spline structure of the spline shaft; when the spline shaft is circularly matched with the hinge through hole, the first-stage cushion block A and the first-stage cushion block B can be rotatably hinged; when the spline shaft is in spline fit with the hinge through hole, the first-stage cushion block A and the first-stage cushion block B cannot rotate.
The integral height of the spline shaft is less than or equal to the thickness of the matching section of the first-stage cushion block A and the first-stage cushion block B, so that the spline shaft can be completely embedded in the hinge through hole.
The top of the spline shaft is provided with a thread through hole, so that the spline shaft can be conveniently pulled out to a state of only matching the circular shaft structure or pulled out completely through screws or bolts.
The anchor cable pore-forming construction method realized by using the anchor cable pore-forming construction pad comprises the following steps:
the method comprises the following steps: determining points with high stress strength on the slope body at the periphery of the anchor cable hole;
step two: the hinge through holes in the first-stage cushion block A and the first-stage cushion block B are matched with the spline shaft round shaft structure to rotate, and the expansion amount of the middle-stage cushion block A, the last-stage cushion block A, the middle-stage cushion block B and the last-stage cushion block B is controlled, so that after the cushion plate corresponds to a point with high stress strength, the height of a supporting point of a slope body is adjusted by screwing a bolt and a nut to support;
step three: the force applying foot presses on the spline shaft, so that the hinge through holes in the first-stage cushion block A and the first-stage cushion block B are matched with the spline of the spline shaft and clamped tightly and cannot rotate, and the drilling machine is started to drive the drill rod sleeve to perform stable deep rotary coring on the drill rod sleeve.
The invention has the beneficial effects that: because the first-stage cushion block A, the first-stage cushion block B, the telescopic middle-stage cushion block A, the last-stage cushion block A, the middle-stage cushion block B and the last-stage cushion block B can be located at the high-strength point on the side slope body, when the force supported by the force application foot for deepening the drill anchor cable hole is increased, the side slope body can not be instantly extruded or instantly collapsed, and the problem that the drill rig is deviated or broken and damaged due to sudden vibration of the drill rig can be solved.
Drawings
FIG. 1 is a schematic view of a prior art support structure;
FIG. 2 is a schematic structural view of a support state of the anchor cable pore-forming construction pad of the present invention;
FIG. 3 is a schematic structural view of the anchor cable hole-forming construction pad of the present invention;
FIG. 4 is a schematic view of the assembly structure of the first-stage cushion block A, the first-stage cushion block B and the spline shaft of the invention
In the figure: 1-anchor cable holes; 2-side slope body; 3-a drilling machine; 31-a force application foot; 4-rectangular beam; 5-drill pipe casing; 6-anchor cable pore-forming construction bedding; 61-first stage cushion block A; 62-first stage pad B; 63-middle cushion block A; 64-middle cushion block B; 65-final stage cushion block A; 66-final stage cushion block B; 67-a spline shaft; 68-a hinge through hole; 69-threaded through hole; 71-a nut; 72-bolt; 73-backing plate.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 2-4.
The invention relates to an anchor cable pore-forming construction pad 6, which comprises:
when in use, the first-stage cushion block A61 is positioned on the force application foot 31 of the drilling machine 3, and the first-stage cushion block B62 is controllably and rotatably hinged with the first-stage cushion block A61;
the middle cushion block A63 can telescopically slide through a shaft hole matching structure with the first cushion block A61, and the middle cushion block A63 can be one or a plurality of telescopic sliding through shaft hole matching structures; the final-stage cushion block A65 which can telescopically slide is matched with the middle-stage cushion block A63 through the shaft hole;
the middle cushion block B64 can telescopically slide with the first cushion block B62 through a shaft hole matching structure, and the middle cushion blocks B64 can be one or a plurality of mutually telescopically slide through shaft hole matching structures; and the final-stage cushion block B66 can telescopically slide with the middle-stage cushion block B64 through a shaft hole matching structure.
When the force application foot 31 of the drilling machine 3 needs to be supported on the side slope body 2 with uneven strength distribution, a point with high strength on the side slope body 2 is selected, the first-stage cushion block A61 and the first-stage cushion block B62 are rotated to the point with high strength on the side slope body 2 close to the orifice of the anchor cable hole 1, the point with high strength on the side slope body 2 far away from the orifice of the anchor cable hole 1 is connected with the telescopic middle-stage cushion block A63, the last-stage cushion block A65, the middle-stage cushion block B64 and the last-stage cushion block B66 through the telescopic middle-stage cushion block A63, the last-stage cushion block A65 and the middle-stage cushion block B64, and the force application foot 31 is pressed on the hinge point of the first-stage cushion block A61 and the first-stage cushion block B62, the telescopic middle-stage cushion block A63, the last-stage cushion block A65, the middle-stage cushion block B64 and the last-stage cushion block B66, the point with high strength on the side slope body 2 can be positioned at the hinge point of the first-stage cushion block A61 and the first-stage cushion block B62, when the force application foot 31 supporting force with the drill anchor cable hole 1 with the depth, the side slope body 2 is increased, the side slope body 2 can not be extruded or collapsed instantaneously, and the problem that the drill rod 5 with the broken or the broken casing pipe is damaged can be solved.
The first-stage cushion block A61, the middle-stage cushion block A63 and the last-stage cushion block A65 are sequentially reduced; the first-stage cushion block B62, the middle-stage cushion block B64 and the last-stage cushion block B66 are sequentially reduced; the sizes of the primary cushion block A61 and the primary cushion block B62 which are positioned at the bottom of the force application foot 31 are maximized, so that the force application foot 31 is stressed and stably supported firstly.
The adjustable support device comprises a first-stage cushion block A61, a middle-stage cushion block A63, a last-stage cushion block A65, a first-stage cushion block B62, a middle-stage cushion block B64 and a last-stage cushion block B66, wherein any or all of the side edges of the first-stage cushion block A63, the last-stage cushion block A65, the first-stage cushion block B62, the middle-stage cushion block B64 and the last-stage cushion block B66 are fixedly welded with nuts 71 and bolts 72 screwed with the nuts 71, the bolts 72 and the nuts 71 form telescopic components, a cushion plate 73 is fixedly welded at the bottom of the bolts 72, the height of support points of the side slope body 2 and the telescopic structure of each-stage cushion block are adjusted through the screwed bolts 72 and the nuts 71, and the support device can be rapidly in contact with the high-strength support points of the side slope body 2.
The bottom of the spline shaft 67 is of a round shaft structure, the top of the spline shaft 67 is of a spline structure, the primary cushion block A61 and the primary cushion block B62 are respectively provided with a spline-shaped hinge through hole 68, the small-diameter inner surface of the hinge through hole 68 is round and is matched with the round shaft structure of the spline shaft 67, and the large-diameter inner surface of the hinge through hole 68 is of a spline shape matched with the spline structure of the spline shaft 67; when the spline shaft 67 is circularly matched with the hinge through hole 68, the first-stage cushion block A61 and the first-stage cushion block B62 can be rotatably hinged; when the spline shaft 67 is in spline fit with the hinge through hole 68, the primary cushion block A61 and the primary cushion block B62 cannot rotate; thereby realizing the primary cushion block B62 with controllable rotary hinge of the primary cushion block A61.
The integral height of the spline shaft 67 is less than or equal to the thickness of the matching section of the primary cushion block A61 and the primary cushion block B62, so that the spline shaft 67 can be completely embedded in the hinge through hole 68; the top of the spline shaft 67 is provided with a thread through hole 69, so that the spline shaft 67 can be pulled out to a state of only matching the round shaft structure or pulled out completely through screws or bolts.
The anchor cable pore-forming construction method realized by using the anchor cable pore-forming construction pad comprises the following steps:
the method comprises the following steps: determining points with high stress strength on the slope body 2 around the anchor cable hole 1;
step two: the hinge through holes 68 on the first-stage cushion block A61 and the first-stage cushion block B62 are matched with the round shaft structure of the spline shaft 67 to rotate, and the expansion amount of the middle-stage cushion block A63, the last-stage cushion block A65, the middle-stage cushion block B64 and the last-stage cushion block B66 is controlled, so that after the cushion plate 73 is correspondingly arranged on a point with high stress strength, the height of a supporting point of the side slope body 2 is adjusted by screwing the bolt 72 and the nut 71 to support;
step three: the force application foot 31 presses on the spline shaft 67, so that the hinge through holes 68 on the first-stage cushion block A61 and the first-stage cushion block B62 are in spline fit with the spline shaft 67 and are locked and can not rotate any more, and the drilling machine 3 is started to drive the drill rod casing 5 to perform stable deep rotary coring on the drill rod casing 5.
Claims (5)
1. The utility model provides an anchor rope pore-forming construction pad utensil which characterized in that includes:
the first-stage cushion block A (61) and the first-stage cushion block B (62) are in controllable rotary hinge connection with the first-stage cushion block A (61);
a middle cushion block A (63) which can telescopically slide with the first cushion block A (61); a final-stage cushion block A (65) which can telescopically slide with the middle-stage cushion block A (63);
a middle cushion block B (64) which can telescopically slide with the first cushion block B (62); a final stage cushion block B (66) which can telescopically slide with the intermediate stage cushion block B (64);
telescopic components are fixedly mounted on any or all side edges of the first-stage cushion block A (61), the middle-stage cushion block A (63), the last-stage cushion block A (65), the first-stage cushion block B (62), the middle-stage cushion block B (64) and the last-stage cushion block B (66), and a cushion plate (73) is fixed on each telescopic component;
the bottom of the spline shaft (67) is of a round shaft structure, the top of the spline shaft (67) is of a spline structure, the primary cushion block A (61) and the primary cushion block B (62) are respectively provided with a hinge through hole (68) in a spline shape, the small-diameter inner surface of the hinge through hole (68) is circular and matched with the round shaft structure of the spline shaft (67), and the large-diameter inner surface of the hinge through hole (68) is of a spline shape matched with the spline structure of the spline shaft (67);
the integral height of the spline shaft (67) is less than or equal to the thickness of the matching section of the first-stage cushion block A (61) and the first-stage cushion block B (62);
the top of the spline shaft (67) is provided with a thread through hole (69).
2. The anchor cable pore-forming construction pad of claim 1, wherein: the middle-stage cushion block A (63) can be one or a plurality of mutually telescopic sliding blocks; the middle cushion block B (64) can be one or a plurality of mutually telescopic sliding blocks.
3. The anchor cable pore-forming construction pad of claim 1, wherein: the first-stage cushion block A (61), the middle-stage cushion block A (63) and the last-stage cushion block A (65) are sequentially reduced; the first-stage cushion block B (62), the middle-stage cushion block B (64) and the last-stage cushion block B (66) are reduced in sequence.
4. The anchor cable pore-forming construction pad of claim 1, wherein: the telescopic assembly comprises a nut (71) and a bolt (72) screwed with the nut (71), and a backing plate (73) is fixed at the bottom of the bolt (72).
5. An anchor cable hole-forming construction method implemented by using the anchor cable hole-forming construction pad of any one of claims 1 to 4, comprising the following steps:
the method comprises the following steps: determining points with high stress strength on the slope body (2) at the periphery of the anchor cable hole (1);
step two: the hinge through holes (68) in the first-stage cushion block A (61) and the first-stage cushion block B (62) are matched with a round shaft structure of the spline shaft (67) to rotate, the expansion amount of the middle-stage cushion block A (63), the last-stage cushion block A (65), the middle-stage cushion block B (64) and the last-stage cushion block B (66) is controlled, so that after the cushion plate (73) is correspondingly arranged on a point with high stress strength, the height of a supporting point of the side slope body (2) is adjusted by screwing the bolt (72) and the nut (71) to support;
step three: the force application foot (31) is pressed on the spline shaft (67) to enable the hinge through holes (68) on the primary cushion block A (61) and the primary cushion block B (62) to be in spline fit with the spline shaft (67) and then locked and can not rotate, and the drilling machine (3) is started to drive the drill rod casing pipe (5) to perform stable deep rotation coring on the drill rod casing pipe (5).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111342307.6A CN114109267B (en) | 2021-11-12 | 2021-11-12 | Anchor cable pore-forming construction pad and anchor cable pore-forming construction method |
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| CN202111342307.6A CN114109267B (en) | 2021-11-12 | 2021-11-12 | Anchor cable pore-forming construction pad and anchor cable pore-forming construction method |
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| CN114109267A CN114109267A (en) | 2022-03-01 |
| CN114109267B true CN114109267B (en) | 2023-04-18 |
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| CN113513031A (en) * | 2021-08-26 | 2021-10-19 | 中建八局第二建设有限公司 | Foundation pit support anchorage device and anchor cable construction method |
| CN113529704A (en) * | 2021-06-23 | 2021-10-22 | 深圳市工勘岩土集团有限公司 | Construction method for forming anchor by using eccentric down-the-hole hammer full casing pipe of anchor cable on loose stone filling slope |
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2021
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| CN113529704A (en) * | 2021-06-23 | 2021-10-22 | 深圳市工勘岩土集团有限公司 | Construction method for forming anchor by using eccentric down-the-hole hammer full casing pipe of anchor cable on loose stone filling slope |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN114109267A (en) | 2022-03-01 |
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