CN220203802U - Reaming drilling tool for body-expanding anchor rod - Google Patents
Reaming drilling tool for body-expanding anchor rod Download PDFInfo
- Publication number
- CN220203802U CN220203802U CN202321588492.1U CN202321588492U CN220203802U CN 220203802 U CN220203802 U CN 220203802U CN 202321588492 U CN202321588492 U CN 202321588492U CN 220203802 U CN220203802 U CN 220203802U
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- reaming
- blade
- fixed column
- drilling
- fixedly connected
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- 238000005553 drilling Methods 0.000 title claims abstract description 46
- 238000005192 partition Methods 0.000 claims description 13
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 239000011435 rock Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 239000002245 particle Substances 0.000 abstract description 4
- 239000002689 soil Substances 0.000 abstract description 4
- 230000008602 contraction Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 241001074085 Scophthalmus aquosus Species 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses a reaming drilling tool for a body expanding anchor rod, which comprises a drilling barrel detachably connected with a drilling rod, wherein a fixed column is coaxially and fixedly connected with the bottom end of the drilling barrel, a drill bit mounting seat detachably connected with a drill bit is fixedly connected with the bottom end of the fixed column, the drilling barrel comprises a drilling rod connector at the upper end and a lower sleeve at the lower end, a sliding tool rest extending to the outer side of the fixed column and a driving assembly driving the sliding tool rest to move up and down are arranged in the lower sleeve, and a reaming tool is arranged between the bottom end of the sliding tool rest and the bottom end of the fixed column and moves along with the sliding tool rest to be unfolded or closed at the outer side of the fixed column. This expand body reamer tool for stock realizes the reaming and handles, and whole process reamer cutter's opening is more convenient with closing, and stability is higher, when having avoided the soil particle to disturb in the reaming, need not to use the spring, has still avoided the spring error that leads to in deformation process and the problem of being inconvenient for regulation and control.
Description
Technical Field
The utility model belongs to the technical field of civil engineering, and particularly relates to a reaming drilling tool for an expanded anchor rod.
Background
With the wide application of the anchoring technology in the civil engineering field, the problems of stability of the side slope, large scale of deep foundation pit, anti-floating structure and the like and stability of geotechnical engineering with higher technical difficulty and risk degree are increasingly prominent. Therefore, the engineering community proposes a body-expanding anchor rod technology which is different from the traditional anchor rod, and can obtain higher single anchor bearing capacity on the basis of reducing the overall engineering cost, thereby ensuring the safety, economy, high efficiency and environmental protection of the engineering construction.
The current reaming drilling tool for the anchor rod hole, such as the variable-diameter anchor rod reamer disclosed in the authorized bulletin No. CN212867414U, comprises a first reaming part, a second reaming part, a blade assembly and a spring; the first reaming part comprises a rod-shaped plug connector, and the outer peripheral wall of the first reaming part is provided with an axially arranged guide limit groove; the expansion and contraction of the springs are mainly used for realizing the adjustment of the reaming cutter, so that soil particles in the anchor rod holes are easy to interfere with the whole body in the whole use process, and deformation of the springs is easy to interfere with the expansion and contraction of the cutter in the contraction process of the springs, so that errors are easy to cause.
Disclosure of Invention
The utility model aims to provide a reaming drilling tool for a body-expanding anchor rod, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a expand body reamer for stock, includes and can dismantle the brill section of thick bamboo of being connected with the drilling rod, the coaxial fixedly connected with fixed column of bottom of brill section of thick bamboo, the drill bit mount pad that the bottom fixedly connected with of fixed column can dismantle with the drill bit, bore a section of thick bamboo including the drilling rod connector that is located the upper end and the lower sleeve that is located the lower extreme, wherein, telescopic inside down is equipped with the drive assembly who extends to the slip knife rest in the fixed column outside and drive slip knife rest reciprocates, install the reaming cutter between the bottom of slip knife rest and the bottom of fixed column, the reaming cutter moves and expands or be closed in the outside of fixed column along with the slip knife rest.
Preferably, a partition plate is arranged at the upper end of the inner part of the lower sleeve, the inner cavity of the lower sleeve is provided with an upper cavity at the upper end and a lower cavity at the lower end through the partition plate, and the top of the upper cavity is opened.
Preferably, the driving assembly comprises a screw rod rotatably arranged between the bottom surface of the partition plate and the bottom of the lower sleeve and a motor arranged on the top surface of the partition plate, and an output shaft of the motor penetrates through the partition plate and is coaxially fixed with the screw rod.
Preferably, the bottom fixedly connected with screw thread of drilling rod connector inserts the annular protrusion at sleeve top down, and the top surface of drilling rod connector runs through in the middle and is equipped with the connection upper hole with drilling rod threaded connection, just the bottom of drilling rod connector presses the top at the motor.
Preferably, the sliding tool rest comprises a sliding seat, a plurality of connecting rods and a supporting bottom ring, wherein the sliding seat is sleeved on the outer side of the screw rod through threads, the connecting rods are fixedly connected to the bottom end of the sliding seat, the supporting bottom ring is sleeved on the outer side of the fixed column through sliding, the connecting rods penetrate through the bottom end of the lower sleeve and are fixed on the supporting bottom ring, and a plurality of blade upper connecting seats vertically corresponding to the connecting rods are fixedly connected to the outer side surface of the supporting bottom ring.
Preferably, the bottom outside of the fixed column is fixedly connected with a plurality of blade lower connecting seats vertically corresponding to the blade upper connecting seats.
Preferably, the reaming cutter comprises a reaming upper blade and a reaming lower blade, the top end of the reaming upper blade is hinged to the upper blade connecting seat, the bottom end of the reaming upper blade is hinged to the top end of the reaming lower blade, and the bottom end of the reaming lower blade is hinged to the lower blade connecting seat.
The utility model has the technical effects and advantages that: compared with the existing device, the reaming drilling tool for the expanding anchor rod is provided with the lower sleeve, the fixed column, the sliding tool rest and the reaming tool, and the driving assembly for driving the sliding tool rest to move up and down is arranged in the lower sleeve, so that when reaming is needed, the driving assembly drives the sliding tool rest to move downwards, and then the reaming upper blade of the reaming tool and the reaming upper blade are driven to be converted into inclination from being vertical and parallel, reaming is realized, the whole process of reaming is more convenient to open and close, the stability is higher, the soil particle interference in reaming is avoided, a spring is not required, and the error caused in the deformation process of the spring and the problem of inconvenient regulation are avoided; in addition, the lower sleeve is detachably connected with the drill rod connector through threads, the drill rod connector is detachably connected with the drill rod through threads, and the drill bit mounting seat is detachably connected with the drill bit, so that the whole drilling tool is conveniently connected with the drill bit and the drill rod, and the operation is simpler, more convenient and quicker.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
FIG. 3 is a schematic view of a sliding tool holder according to the present utility model;
FIG. 4 is a schematic view of the structure of the blade lower connecting seat according to the present utility model;
fig. 5 is a schematic view of the reaming structure of the present utility model.
In the figure: 1. drilling a cylinder; 11. a lower sleeve; 1101. a lower chamber; 1102. an upper chamber; 1103. a motor; 1104. a screw; 12. a drill pipe connector; 1201. connecting with the upper hole; 1202. an annular protrusion; 2. fixing the column; 201. a blade lower connecting seat; 3. a drill bit mounting seat; 4. a sliding tool holder; 41. a slide; 42. a connecting rod; 43. a support bottom ring; 44. a blade upper connecting seat; 5. reaming tools; 51. reaming the upper blade; 52. reaming the lower blade.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to a reaming drilling tool for a body-expanding anchor rod as shown in fig. 1-2, the reaming drilling tool comprises a drilling barrel 1 detachably connected with a drilling rod, a fixed column 2 is coaxially and fixedly connected with the bottom end of the drilling barrel 1, a drill bit mounting seat 3 detachably connected with a drill bit is fixedly connected with the bottom end of the fixed column 2, the drill bit mounting seat 3 is coaxially arranged with the drilling barrel 1, the outer diameter of the drill bit mounting seat is the same as that of the drilling barrel 1, the drilling barrel 1 comprises a drilling rod connector 12 at the upper end and a lower sleeve 11 at the lower end, the drilling rod connector 12 is used for connecting the drilling rod, a sliding tool rest 4 extending to the outer side of the fixed column 2 and a driving assembly for driving the sliding tool rest 4 to move up and down are arranged in the lower sleeve 11, a reaming tool 5 is mounted between the bottom end of the sliding tool rest 4 and the bottom end of the fixed column 2, and the reaming tool 5 moves along the sliding tool rest 4 to be unfolded or closed at the outer side of the fixed column 2, so that reaming requirements are met.
Referring to fig. 2, a partition plate is provided at an inner upper end of the lower sleeve 11, and an inner cavity of the lower sleeve 11 is provided as an upper chamber 1102 at an upper end and a lower chamber 1101 at a lower end by the partition plate, and the upper chamber 1102 is opened at a top for connection with the drill rod coupling head 12.
Referring to fig. 2, the driving assembly includes a screw 1104 rotatably installed between the bottom surface of the partition plate and the bottom of the lower sleeve 11, and a motor 1103 installed on the top surface of the partition plate, wherein an output shaft of the motor 1103 is coaxially fixed with the screw 1104 through the partition plate, so that the motor 1103 drives the screw 1104 to rotate.
Referring to fig. 2, the bottom fixedly connected with screw thread of the drill rod connector 12 inserts the annular protruding 1202 at sleeve 11 top down, conveniently realize the detachable connection of drill rod connector 12 and sleeve 11 down, and can also follow the lateral surface of drill rod connector 12 through the bolt reinforcing with sleeve 11 down be connected, the top surface of drill rod connector 12 runs through in the middle and is equipped with the connection upper hole 1201 with drill rod threaded connection, and the bottom of drill rod connector 12 presses the top of motor 1103, further carries out the spacing of position to motor 1103, when avoiding whole drilling tool to rotate, motor 1103 takes place to rock.
Referring to fig. 2-3, the sliding tool rest 4 includes a sliding seat 41 screwed on the outer side of the screw 1104, a plurality of connecting rods 42 fixedly connected to the bottom end of the sliding seat 41, and a supporting bottom ring 43 slidingly sleeved on the outer side of the fixed column 2, at the same time, protrusions are symmetrically arranged on the outer side of the sliding seat 41, vertical sliding grooves matched with the protrusions are formed on the inner wall of the lower sleeve 11 to ensure that the sliding seat 41 slides on the screw 1104 to be stable when the screw 1104 rotates, the plurality of connecting rods 42 penetrate through the bottom end of the lower sleeve 11 and are fixed on the supporting bottom ring 43, a channel for the connecting rods 42 to slide and insert is formed at the bottom of the lower sleeve 11 to realize the sliding of the connecting rods 42 at the bottom end of the lower sleeve 11, the sealing of the bottom of the lower sleeve 11 is ensured to prevent soil particles from entering the lower sleeve 11, and a plurality of blade upper connecting seats 44 vertically corresponding to the connecting rods 42 are fixedly connected to the outer side surface of the supporting bottom ring 43.
Referring to fig. 4, a plurality of blade lower connection seats 201 vertically corresponding to the blade upper connection seats 44 are fixedly connected to the outer sides of the bottom ends of the fixing columns 2.
Referring to fig. 3 to 5, the reaming cutter 5 includes an upper reaming blade 51 and a lower reaming blade 52, the top end of the upper reaming blade 51 is hinged on the upper reaming blade connecting seat 44, the bottom end of the upper reaming blade 51 is hinged with the top end of the lower reaming blade 52, the bottom end of the lower reaming blade 52 is hinged on the lower reaming blade connecting seat 201, and the upper reaming blade 51 can be placed between the lower sleeve 11 and the drill bit mounting seat 3 when the lower reaming blade 52 is vertical.
Specifically, when the reaming drilling tool for the body-expanding anchor rod is used, firstly, a drill rod is connected with a drill rod connector 12, a drill bit is connected with a drill bit mounting seat 3, after connection is completed, the drill rod and the drill bit drive the drilling tool to extend downwards into an anchor rod hole until the drilling tool is moved to a position where reaming is required in the anchor rod hole, at the moment, a motor 1103 rotates to drive a screw 1104 to rotate, the screw 1104 rotates to drive a sliding seat 41 to move downwards, the sliding seat 41 moves downwards, a connecting rod 42 drives a supporting bottom ring 43 to move downwards, the supporting bottom ring 43 moves downwards to drive an upper reaming blade 51 to move downwards and press a lower reaming blade 52 downwards, so that an included angle between the upper reaming blade 51 and the lower reaming blade 52 is changed from vertical until the lower reaming blade 52 is horizontal, namely, from fig. 1 to fig. 5, at the moment, the reaming diameter reaches maximum, and the movement of the drill rod is regulated again, so that reaming can be completed;
after the reaming is completed, the motor 1103 is started to rotate reversely to drive the screw 1104 to rotate reversely, at this time, the sliding seat 41 starts to move upwards, the upper reaming blade 51 is pulled by the connecting rod 42 to move upwards until the upper reaming blade 51 and the lower reaming blade 52 are kept in the vertical state again, namely the state shown in fig. 1, and the restoration of the reaming tool 5 is completed, so that the reaming tool can be quickly taken out by the drill rod and the drill.
Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present utility model can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (7)
1. The utility model provides a reaming drilling tool for expanded body stock which characterized in that: including boring section of thick bamboo (1) of being connected with the drilling rod can be dismantled, the coaxial fixedly connected with fixed column (2) of bottom of boring section of thick bamboo (1), the bottom fixedly connected with of fixed column (2) can dismantle drill bit mount pad (3) of being connected with the drill bit, boring section of thick bamboo (1) including being located drilling rod connector (12) of upper end and being located lower sleeve (11) of lower extreme, wherein, the inside of lower sleeve (11) is equipped with the drive assembly that extends to slide knife rest (4) and drive slide knife rest (4) reciprocate in the outside of fixed column (2), install reaming cutter (5) between the bottom of slide knife rest (4) and the bottom of fixed column (2), reaming cutter (5) follow slide knife rest (4) and move and expand or be closed in the outside of fixed column (2).
2. A reaming boring tool for expanded anchor as claimed in claim 1, wherein: the upper end of the interior of the lower sleeve (11) is provided with a baffle, the inner cavity of the lower sleeve (11) is provided with an upper cavity (1102) positioned at the upper end and a lower cavity (1101) positioned at the lower end through the baffle, and the top of the upper cavity (1102) is opened.
3. A reaming boring tool for expanded anchor as claimed in claim 2, wherein: the driving assembly comprises a screw (1104) rotatably arranged between the bottom surface of the partition plate and the bottom of the lower sleeve (11) and a motor (1103) arranged on the top surface of the partition plate, and an output shaft of the motor (1103) penetrates through the partition plate and is coaxially fixed with the screw (1104).
4. A reaming drilling tool for a body expandable rock bolt according to claim 3, wherein: the bottom fixedly connected with screw thread of drilling rod connector (12) inserts annular protruding (1202) at lower sleeve (11) top, and the top surface of drilling rod connector (12) runs through in the middle and is equipped with and connects upper hole (1201) with drilling rod threaded connection, just the bottom of drilling rod connector (12) presses the top at motor (1103).
5. A reaming drilling tool for a body expandable rock bolt according to claim 3, wherein: the sliding tool rest (4) comprises a sliding seat (41) which is sleeved on the outer side of a screw rod (1104), a plurality of connecting rods (42) which are fixedly connected to the bottom end of the sliding seat (41) and a supporting bottom ring (43) which is sleeved on the outer side of the fixed column (2) in a sliding manner, wherein the plurality of connecting rods (42) penetrate through the bottom end of the lower sleeve (11) and are fixed on the supporting bottom ring (43), and a plurality of blade upper connecting seats (44) which vertically correspond to the connecting rods (42) are fixedly connected to the outer side surface of the supporting bottom ring (43).
6. The reaming drilling tool for a body expanding anchor of claim 5, further comprising: and a plurality of blade lower connecting seats (201) vertically corresponding to the blade upper connecting seats (44) are fixedly connected to the outer sides of the bottom ends of the fixing columns (2).
7. The reaming drilling tool for a body expanding anchor of claim 6, further comprising: the reaming cutter (5) comprises an reaming upper blade (51) and a reaming lower blade (52), the top end of the reaming upper blade (51) is hinged to a blade upper connecting seat (44), the bottom end of the reaming upper blade (51) is hinged to the top end of the reaming lower blade (52), and the bottom end of the reaming lower blade (52) is hinged to a blade lower connecting seat (201).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321588492.1U CN220203802U (en) | 2023-06-21 | 2023-06-21 | Reaming drilling tool for body-expanding anchor rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321588492.1U CN220203802U (en) | 2023-06-21 | 2023-06-21 | Reaming drilling tool for body-expanding anchor rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220203802U true CN220203802U (en) | 2023-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321588492.1U Active CN220203802U (en) | 2023-06-21 | 2023-06-21 | Reaming drilling tool for body-expanding anchor rod |
Country Status (1)
| Country | Link |
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| CN (1) | CN220203802U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117803316A (en) * | 2024-02-27 | 2024-04-02 | 中铁十九局集团第三工程有限公司 | Rotary drilling and reaming equipment capable of achieving multistage reaming |
-
2023
- 2023-06-21 CN CN202321588492.1U patent/CN220203802U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117803316A (en) * | 2024-02-27 | 2024-04-02 | 中铁十九局集团第三工程有限公司 | Rotary drilling and reaming equipment capable of achieving multistage reaming |
| CN117803316B (en) * | 2024-02-27 | 2024-05-03 | 中铁十九局集团第三工程有限公司 | Rotary drilling and reaming equipment capable of achieving multistage reaming |
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