CN211715050U - Drilling and reaming drilling tool convenient for high-pressure grouting - Google Patents
Drilling and reaming drilling tool convenient for high-pressure grouting Download PDFInfo
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- CN211715050U CN211715050U CN202020173108.1U CN202020173108U CN211715050U CN 211715050 U CN211715050 U CN 211715050U CN 202020173108 U CN202020173108 U CN 202020173108U CN 211715050 U CN211715050 U CN 211715050U
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Abstract
The utility model relates to a high pressure grout drilling reaming drilling tool of being convenient for, the utility model relates to a pile foundation construction utensil's technical field has solved the reaming back that finishes, needs to change the problem that influences the efficiency of construction with the drill bit is manual down. Including the drilling tool body, the connecting block that the one end fixedly connected with of drilling tool body and drilling rod are connected, the inside coaxial screw hole of seting up with drilling rod threaded connection of connecting block, the drilling tool body keeps away from a plurality of drilling swoves of one end fixedly connected with of connecting block, the week side of drilling tool body is flexible to be provided with a plurality of reaming swoves, the inside one end that is close to the connecting block of drilling tool body sets up the slip casting chamber with the screw hole intercommunication, the inside one end that is close to the reaming sword of drilling tool body runs through the slip casting hole of seting up a plurality of and slip casting chamber intercommunication, the utility model discloses after the reaming finishes, can directly realize carrying out the slip casting to the stake downthehole portion, reduce the step of mention.
Description
Technical Field
The utility model belongs to the technical field of the technique of pile foundation construction utensil and specifically relates to a high pressure grout drilling reaming drilling tool is convenient for.
Background
The anti-floating anchor rod is one kind of anti-floating measure for underground structure in building engineering, and is used to resist the upward shift of the upper building and to form structural member, the foundation pile is usually compression resisting pile, the pile body bears load pressure and the stress is transferred from the pile top to the pile bottom, and the stress on the pile top changes with the change of building load.
The prior Chinese patent with the publication number of CN205743733U provides a drill rod assembly for a drillable enlarged head of a pile machine, which comprises a main drill rod with a main drill bit and at least one auxiliary drill bit and an auxiliary drill rod, wherein the main drill rod and the auxiliary drill rod are arranged in parallel, the main drill rod and the auxiliary drill rod are connected with a power driving mechanism, the main drill bit is provided with a reducing arm mechanism, the reducing arm mechanism can move towards the direction close to or far away from the axial lead of the main drill rod so as to change the rotating range of the reducing arm mechanism, and when the reducing arm mechanism rotates, the reducing arm mechanism rotates.
The above prior art solutions have the following drawbacks: after the bottom expanding operation is carried out on the soil pile body, the main drill rod and the auxiliary drill rod are required to be lifted, the drill bit is replaced, and then the main drill rod and the auxiliary drill rod are placed into the pile hole for grouting operation, so that the replacement process is complicated, more manpower and time are consumed, the construction efficiency is influenced, and the improvement is needed.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, one of the purposes of the utility model is to provide a high pressure grout drilling reaming drilling tool of being convenient for expand end back direct grouting, reducing artifical labour cost, effectively improving efficiency of construction.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
drilling reaming drilling tool convenient to high pressure grout, including the drilling tool body, the connecting block that the one end fixedly connected with and the drilling rod of drilling tool body are connected, the inside coaxial screw hole of seting up with drilling rod threaded connection of connecting block, the drilling tool body is kept away from a plurality of drilling swoves of one end fixedly connected with of connecting block, the week side of drilling tool body is flexible and is provided with a plurality of reaming swoves, the drilling tool body is inside to be close to the one end of connecting block seted up with the slip casting chamber of screw hole intercommunication, the drilling tool body is inside to be close to the one end of reaming sword run through set up a plurality of with the slip casting hole of slip.
Through adopting above-mentioned technical scheme, with drilling rod and this body coupling of drilling tool back, high-speed rotation drilling rod utilizes the drilling sword to bore the stake hole to appointed degree of depth after, stretches out a plurality of reaming swoves, continues to rotate drilling rod and drilling tool body, accomplishes the reaming back, mentions drilling rod and drilling tool body, through drilling rod orientation slip casting intracavity slip casting to through slip casting hole orientation reaming bottom hole and stake downthehole slip casting, the utility model discloses after the reaming finishes, can directly realize carrying out the slip casting to stake downthehole portion, reduce the step of mentioning the drilling rod and changing the drilling tool body, reduce the waste of artifical labour for the efficiency of construction is higher.
The present invention may be further configured in a preferred embodiment as: the reamer comprises an upper cutter plate and a lower cutter plate which are hinged to each other, the lower cutter plate is hinged to the drilling tool body, and the drilling tool body is internally driven to be provided with a hydraulic cylinder which is driven by the upper cutter plate to move up and down.
Through adopting above-mentioned technical scheme, before the reaming, through the one end lift activity of pneumatic cylinder drive upper slitter plate, drive upper slitter plate and lower slitter plate and use articulated hookup location to the axle swing to the orientation of keeping away from the drilling tool body simultaneously expandes.
The present invention may be further configured in a preferred embodiment as: and a connecting block is fixedly connected to a piston rod of the hydraulic cylinder, and the connecting block is respectively hinged to the plurality of upper knife boards.
Through adopting above-mentioned technical scheme, utilize the connecting block to realize the simultaneous drive of a plurality of upper slitter boards, simple structure, power loss is low.
The present invention may be further configured in a preferred embodiment as: and a positioning block is fixed at one end of the lower cutting board close to the upper cutting board and at one side close to the drilling tool body.
Through adopting above-mentioned technical scheme, when going up cutting board and lower cutting board and outwards expanding simultaneously, utilize the butt of locating piece and last cutting board, realize going up the location of cutting board and lower cutting board expansion angle, make simultaneously go up cutting board and lower cutting board more stable at the reaming in-process.
The present invention may be further configured in a preferred embodiment as: the peripheral wall of the drilling tool body is provided with a containing groove for containing the upper cutting board and the lower cutting board.
Through adopting above-mentioned technical scheme, when not using cutting board and lower cutting board, utilize the holding tank to accomodate last cutting board and lower cutting board, it is more simple and convenient.
The present invention may be further configured in a preferred embodiment as: the plurality of grouting holes, the plurality of accommodating grooves and the plurality of expanding cutters are arranged at equal intervals.
Through adopting above-mentioned technical scheme to reduce the interact of slip casting hole, holding tank, reamer between.
The present invention may be further configured in a preferred embodiment as: and a hole sealing plate used for sealing the grouting hole is hinged to one end of the grouting hole close to the drilling cutter.
Through adopting above-mentioned technical scheme, the drilling in-process utilizes the hole plugging plate to close the one end that the slip casting hole is close to the drilling sword, reduces earth and scurries into the slip casting hole and leads to the confined condition of slip casting hole, when mentioning drilling tool body slip casting, the downthehole mud of slip casting dashes out the hole plugging plate and realizes the slip casting.
The present invention may be further configured in a preferred embodiment as: the drilling cutter, the upper cutting board and the lower cutting board are made of diamond.
By adopting the technical scheme, the diamond has better hardness and toughness, so that the drilling and bottom expanding effects are stable, and the working efficiency is indirectly and effectively improved.
To sum up, the utility model discloses a following at least one kind benefits technological effect:
1. the upper cutter plate and the lower cutter plate are driven to stretch and retract by the hydraulic cylinder, so that the reaming work is facilitated, and the dual functions of drilling and reaming are realized;
2. after drilling and reaming finish, through drilling rod slip casting to slip casting intracavity, through the slip casting hole guide mud injection stake downthehole, realize that the reaming is accomplished the back and directly slip casting, it is swift convenient, reduce to take out drilling rod and drilling tool body from the stake hole and change, slip casting's step again effectively improves the efficiency of construction.
Drawings
Fig. 1 is a first schematic structural diagram of the present invention;
FIG. 2 is a second schematic structural diagram of the present invention;
fig. 3 is a sectional view taken along line a-a of fig. 2.
Reference numerals: 1. a drilling tool body; 2. connecting blocks; 3. a threaded hole; 4. a drilling cutter; 5. a hole expanding cutter; 6. a grouting cavity; 7. grouting holes; 8. an upper knife board; 9. a lower knife board; 10. a hydraulic cylinder; 12. positioning blocks; 13. accommodating grooves; 14. and (5) sealing the hole plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a be convenient for high pressure grout drilling reaming drilling tool, including drilling tool body 1, the connecting block 2 that the one end fixedly connected with of drilling tool body 1 is connected with the drilling rod, the inside coaxial screw hole 3 of seting up with drilling rod threaded connection of connecting block 2, connecting block 2 and screw hole 3 all with the coaxial setting of drilling tool body 1. In the practical application process, the threaded hole 3 of the drill rod is coaxially connected in a threaded manner, so that the connection between the drill rod and the drilling tool body 1 is realized.
Referring to fig. 1 and 2, one end of the drilling tool body 1, which is far away from the connecting block 2, is fixedly connected with a plurality of drilling knives 4, the drilling knives 4 are arranged in a wedge-shaped block shape, preferably three drilling knives 4 are arranged, and the three drilling knives 4 are arranged at equal intervals along the circumferential direction of the drilling tool body 1. In the drilling process, the drill rod and the drilling tool body 1 are rotated, and the drilling purpose is realized by the drilling cutter 4.
A plurality of reamer blades 5 are telescopically provided on the circumferential side of the drill body 1, and preferably three reamer blades 5 are provided, and the three reamer blades 5 are arranged at equal intervals in the circumferential direction of the drill body 1. Referring to fig. 3, the reamer 5 includes an upper cutting board 8 and a lower cutting board 9 which are hinged to each other, the lower cutting board 9 is hinged to the drilling tool body 1, a hydraulic cylinder 10 which is far away from the lower cutting board 9 to move up and down is driven inside the drilling tool body 1, a piston rod of the hydraulic cylinder 10 is fixedly connected with a connecting block 2, and the connecting block 2 is hinged to the upper cutting boards 8 respectively. Utilize connecting block 2 to realize a plurality of drives when going up cutting board 8, moreover, the steam generator is simple in structure, power loss is low, drilling finishes and before the reaming, through the one end lift activity of cutting board 8 in the pneumatic cylinder 10 drive, it uses articulated hookup location as the axle swing to drive cutting board 8 and lower cutting board 9, and the orientation is kept away from drilling tool body 1's direction and is expanded simultaneously, form three V type reamer 5 in 1 week side of drilling tool body, through rotating drilling rod and drilling tool body 1, realize the reaming.
The drilling knife 4, the upper knife board 8 and the lower knife board 9 are all made of diamond. The diamond has better hardness and toughness, so that the drilling and bottom expanding effects are stable, and the working efficiency is indirectly and effectively improved.
The one end that lower cutting board 9 is close to last cutting board 8 and is fixed with locating piece 12 in the one side that is close to drilling tool body 1, and locating piece 12 is the triangular prism shape, and locating piece 12 is the sharp horn shape setting in the junction of last cutting board 8 and lower cutting board 9. When going up cutting board 8 and lower cutting board 9 and outwards expanding simultaneously, utilize locating piece 12 and 8 butt of last cutting board, realize going up cutting board 8 and the location of lower cutting board 9 expansion angle, make simultaneously go up cutting board 8 and lower cutting board 9 more stable at the reaming in-process.
The peripheral wall of the drilling tool body 1 is provided with an accommodating groove 13 for accommodating the upper cutter plate 8 and the lower cutter plate 9, and the accommodating groove 13 extends along the axial direction of the drilling tool body 1. When not using last cutting board 8 and lower cutting board 9, utilize holding tank 13 to accomodate last cutting board 8 and lower cutting board 9, it is more simple and convenient.
The grouting cavity 6 that communicates with threaded hole 3 is seted up to the inside one end that is close to connecting block 2 of drilling tool body 1, a plurality of injected holes 7 have been seted up to the inside one end that is close to reamer 5 of drilling tool body 1, the one end and the grouting cavity 6 intercommunication setting of injected hole 7, the other end runs through the one end setting that drilling tool body 1 kept away from grouting cavity 6, injected hole 7 is preferably three, three injected hole 7 sets up along the equidistant range of the circumference direction of drilling tool body 1, and three injected hole 7 and three holding tank 13 and the setting of the equipartition interval arrangement of three reamer 5. After reaming finishes, lifting up drilling rod and drilling tool, grouting in 6 towards grouting cavity, direct grouting after the reaming is realized in guiding mud to pour into to the stake hole through grouting hole 7, effectively improve work efficiency, grouting hole 7, holding tank 13, reamer 5 interval arrangement set up, can reduce the mutual influence between grouting hole 7, holding tank 13, reamer 5.
Referring to fig. 2, a hole sealing plate 14 for sealing the grout hole 7 is hingedly connected to one end of the grout hole 7 near the drilling blade 4. In the drilling process, one end of the grouting hole 7 close to the drilling cutter 4 is sealed by the hole sealing plate 14, the condition that the grouting hole 7 is sealed due to the fact that soil enters the grouting hole 7 is reduced, and when the drilling tool body 1 is lifted for grouting, slurry in the grouting hole 7 rushes out the hole sealing plate 14 to achieve grouting.
The implementation principle of the embodiment is as follows:
in-process of practical application, be connected the back with drilling rod and drilling tool body 1, put into the soil body that will punch, high-speed rotation drilling rod, utilize drilling cutter 4 with the stake hole bore to appointed degree of depth after, through pneumatic cylinder 10 drive connecting block 2 descends, the one end that drives three last cutting board 8 descends, thereby cutting board 8 and lower cutting board 9 use the articulated shaft as the axle swing and expand in the drive, form V type reamer 5, continue to rotate drilling rod and drilling tool body 1, accomplish behind the reaming, mention drilling rod and drilling tool body 1, through the drilling rod towards slip casting in slip casting chamber 6, and through slip casting hole 7 orientation bottom expanding hole and stake downthehole slip casting, the utility model discloses after the reaming finishes, can directly realize carrying out the slip casting to stake downthehole portion, reduce the step of mentioning the drilling rod and changing body 1, reduce the waste of artifical drilling tool, make the efficiency higher.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. Including drilling tool body (1), connecting block (2) that the one end fixedly connected with of drilling tool body (1) is connected with the drilling rod, inside coaxial screw hole (3) of seting up with drilling rod threaded connection of connecting block (2), drilling tool body (1) is kept away from a plurality of drilling sword (4) of one end fixedly connected with of connecting block (2), the week side of drilling tool body (1) is flexible to be provided with a plurality of reaming sword (5), drilling tool body (1) inside is close to the one end of connecting block (2) set up with slip casting chamber (6) of screw hole (3) intercommunication, drilling tool body (1) inside in being close to the one end of reaming sword (5) run through set up a plurality of with slip casting hole (7) of slip casting chamber (6) intercommunication.
2. The reaming drilling tool for drilling and expanding under high pressure grouting according to claim 1, wherein the reaming tool (5) comprises an upper cutting board (8) and a lower cutting board (9) which are hinged to each other, the lower cutting board (9) is hinged to the drilling tool body (1), and a hydraulic cylinder (10) which is far away from the upper cutting board (8) and can lift and move up and down from the lower cutting board (9) is driven inside the drilling tool body (1).
3. The high-pressure grouting-facilitated drilling and reaming drilling tool as claimed in claim 2, wherein a connecting block (2) is fixedly connected to a piston rod of the hydraulic cylinder (10), and the connecting block (2) is respectively hinged to the upper cutter plates (8).
4. The high-pressure grouting-facilitated borehole reaming drill according to claim 3, characterized in that a positioning block (12) is fixed to one end of the lower cutting plate (9) close to the upper cutting plate (8) and one side close to the drill body (1).
5. The high-pressure grouting-facilitated borehole reaming drill according to claim 2, characterized in that a receiving groove (13) for receiving the upper cutter plate (8) and the lower cutter plate (9) is opened on the peripheral wall of the drill body (1).
6. The reamer tool for drilling and reaming a hole by facilitating high pressure grouting according to claim 5, wherein the plurality of grouting holes (7) are arranged at equal intervals with the plurality of accommodating grooves (13) and the plurality of reamer blades (5).
7. The high pressure grouting-facilitated borehole reamer tool according to claim 6, wherein a hole sealing plate (14) for sealing the grouting hole (7) is hingedly connected to one end of the grouting hole (7) near the drilling blade (4).
8. The high-pressure grouting-facilitated drilling and reaming tool as claimed in claim 2, wherein the drilling cutter (4), the upper cutter plate (8) and the lower cutter plate (9) are made of diamond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020173108.1U CN211715050U (en) | 2020-02-16 | 2020-02-16 | Drilling and reaming drilling tool convenient for high-pressure grouting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020173108.1U CN211715050U (en) | 2020-02-16 | 2020-02-16 | Drilling and reaming drilling tool convenient for high-pressure grouting |
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| Publication Number | Publication Date |
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| CN211715050U true CN211715050U (en) | 2020-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020173108.1U Active CN211715050U (en) | 2020-02-16 | 2020-02-16 | Drilling and reaming drilling tool convenient for high-pressure grouting |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112096293A (en) * | 2020-11-17 | 2020-12-18 | 胜利油田固邦石油装备有限责任公司 | Variable-diameter drill bit for oil field drilling |
| CN113445922A (en) * | 2021-09-01 | 2021-09-28 | 江苏旌翔建材科技有限公司 | Foundation pile hole expands aperture device |
-
2020
- 2020-02-16 CN CN202020173108.1U patent/CN211715050U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112096293A (en) * | 2020-11-17 | 2020-12-18 | 胜利油田固邦石油装备有限责任公司 | Variable-diameter drill bit for oil field drilling |
| CN112096293B (en) * | 2020-11-17 | 2021-02-09 | 胜利油田固邦石油装备有限责任公司 | Variable-diameter drill bit for oil field drilling |
| CN113445922A (en) * | 2021-09-01 | 2021-09-28 | 江苏旌翔建材科技有限公司 | Foundation pile hole expands aperture device |
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