CN219840587U - Hole-guiding reaming bit for cement concrete mixing pile roadbed - Google Patents
Hole-guiding reaming bit for cement concrete mixing pile roadbed Download PDFInfo
- Publication number
- CN219840587U CN219840587U CN202321201924.9U CN202321201924U CN219840587U CN 219840587 U CN219840587 U CN 219840587U CN 202321201924 U CN202321201924 U CN 202321201924U CN 219840587 U CN219840587 U CN 219840587U
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- plate
- movable
- thick bamboo
- cement concrete
- concrete mixing
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- 239000004568 cement Substances 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 16
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 16
- 241001330002 Bambuseae Species 0.000 claims description 16
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 16
- 239000011425 bamboo Substances 0.000 claims description 16
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000005553 drilling Methods 0.000 abstract description 29
- 238000000034 method Methods 0.000 abstract description 9
- 239000002893 slag Substances 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- Earth Drilling (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The utility model relates to the technical field of reaming drills, in particular to a cement concrete mixing pile subgrade hole guiding reaming drill bit which comprises a drilling cylinder and a cutting head, wherein guide circular grooves are formed in the drilling cylinder, through side square grooves are formed in symmetrical positions of the guide circular grooves of the drilling cylinder, extension arms are rotatably connected to two ends of the side square grooves, which are positioned outside the drilling cylinder, of the side square grooves, cutting plates are detachably connected to the extension arms, limiting ring plates are arranged in symmetrical positions of the drilling cylinder, a plurality of limiting ring plates are respectively embedded with a sealing slide plate in a sliding mode, and a plurality of sealing slide plates positioned on the same side are respectively clamped with a movable assembly. According to the utility model, in the moving process of the movable assembly, the closed sliding plate on one side is pulled out of the limiting ring plate along with the movement of the movable assembly, and the closed sliding plate on the other side is plugged into the corresponding limiting ring plate, so that the closed sliding plate on two sides always closes the side groove in the moving process of the movable assembly along the guide circular groove, and the broken slag generated in the drilling process can be prevented from entering the drilling cylinder along with the open side groove.
Description
Technical Field
The utility model relates to the technical field of reaming bits, in particular to a cement concrete mixing pile roadbed hole guiding reaming bit.
Background
The foundation pit is an important component in the construction engineering, in order to ensure the safety of the foundation pit, a foundation pit supporting system is indispensable, when the supporting system is established, supporting pile driving is needed in advance, a mechanical drilling mode is generally used for hole guiding, when the cement concrete mixing pile roadbed is drilled, a corresponding reaming bit is needed for hole guiding in the process of penetrating the roadbed, and the hole guiding has the function of penetrating and damaging the constructed cement concrete mixing pile roadbed; secondly, prevent silt geology shrinkage cavity, reduce steel-pipe pile and insert the resistance of beating, in order to improve drilling efficiency, designed a drilling and reaming combined drill bit, when drilling, still can carry out reaming bottom operation, satisfy the drilling demand to cement concrete mixing pile road bed.
The existing cement concrete mixing pile roadbed hole-guiding reaming drill bit drills holes by utilizing a cutting head and reams a bottom by utilizing a cutting plate, in order to meet the reaming operation of different diameters, the cutting position of the cutting plate needs to be continuously adjusted, the cutting position of the cutting plate is generally adjusted by controlling the position of a movable component in a drilling cylinder and matching with a diagonal-pulling arm to change the position and angle of an expansion arm, so that the cutting position of the cutting plate is adjusted, but in the actual drilling process, the broken slag generated by drilling can enter a movable space of the movable component in the drilling cylinder to block the movable component, so that the movable component is limited in movement, and can be blocked and can not move any more directly when serious, so that the angle and position adjustment of the cutting plate are invalid, and the movable component can not drive the cutting plate to reset and is difficult to exit from the drilling hole because of blocking.
Therefore, it is necessary to invent a cement concrete mixing pile subgrade pilot hole reaming bit to solve the above problems.
Disclosure of Invention
The utility model aims to solve the defects of the prior art, and provides a cement concrete mixing pile roadbed hole-guiding reaming bit, which solves the problems that in the prior art, the slag generated by drilling can enter a movable space of a movable component in a drilling cylinder to block the movable component, so that the movable component is limited in movement, and can be blocked and can not move any more directly when serious, the angle and position adjustment of a cutting plate can be invalid, and the movable component can not drive the cutting plate to reset and can not be withdrawn from the drilling hole because of the blocking.
In order to achieve the above object, the present utility model adopts the following technical scheme:
the utility model provides a cement concrete mixing pile road bed draws hole reaming drill bit, includes bore section of thick bamboo and can dismantle the connection in the cutting head that bores the section of thick bamboo bottom, the direction circular slot has all been seted up in the bore section of thick bamboo, bore a section of thick bamboo with direction circular slot symmetry position and all seted up the side square slot that runs through, communicate between direction circular slot and the side square slot, vertical slip wears to be equipped with movable assembly in the direction circular slot, the movable assembly both ends pass side square slot and extend to outside, the both ends that side square slot is located bore the section of thick bamboo all can dismantle the rotation and be connected with the extension arm, the extension arm other end rotates and is connected with the arm to one side, the arm other end that draws to one side is connected with the rotation of bore a section of thick bamboo periphery lateral wall, the extension arm can dismantle and be connected with the cutting board, bore a periphery lateral wall all is provided with the spacing ring board with the side square slot symmetry position, a plurality of spacing ring board all slides and inlays and is equipped with the closure slide in one side that is close to each other, is located the homonymy the closure slide all with movable assembly joint.
As a preferable scheme of the utility model, the movable assembly comprises a movable circular plate longitudinally sliding and penetrating through the guide circular groove and a movable square plate symmetrically arranged on the peripheral side wall of the movable circular plate and longitudinally sliding along the side square groove, the movable square plate extends to the outside of the drill cylinder, and a plurality of closed sliding plates positioned on the same side are all clamped with the same movable square plate.
As a preferable scheme of the utility model, the end part of the limiting ring plate is connected with a clamping ring, the clamping ring is detachably sleeved on the side wall of the periphery of the drill cylinder, and a chute for sliding the sealing slide plate is arranged in the limiting ring plate.
As a preferable scheme of the utility model, one end of the expansion arm is connected with a first clamping seat, the first clamping seat is detachably connected with one end of the movable square plate, which is positioned outside the drill cylinder, one end of the inclined pull arm, which is far away from the expansion arm, is rotatably connected with a second clamping seat, and the second clamping seat is detachably connected with the side wall of the periphery of the drill cylinder.
As a preferable scheme of the utility model, the symmetrical positions of the non-cutting ends of the cutting plates are respectively connected with a mounting stud penetrating through the extension arm, and nuts are sleeved on the end parts of the mounting studs.
As a preferable scheme of the utility model, one end of the drill cylinder far away from the cutting head is provided with a placing round groove, the placing round groove is communicated with the guiding round groove, a driving piece is detachably embedded in the placing round groove, and the driving piece is detachably connected with the movable circular plate.
In the technical scheme, the utility model has the technical effects and advantages that:
according to the utility model, the position and angle of one end of the expansion arm are changed by driving the movable assembly to slide along the guide circular groove, and the cutting angle and position of the cutting plate are changed by limiting the inclined pulling arm so as to adapt to reaming operations with different diameters.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic plan elevation view of the present utility model;
fig. 3 is a schematic diagram of the overall structure of a certain assembly of the present utility model.
Reference numerals illustrate:
1. drilling a cylinder; 2. cutting the head; 3. placing a round groove; 4. a guide circular groove; 5. a side square groove; 6. a driving member; 7. a movable circular plate; 8. a movable square plate; 9. a first clamping seat; 10. a second clamping seat; 11. a clasp; 12. a limiting ring plate; 13. a closed slide plate; 14. a nut; 15. an extension arm; 16. a cable-stayed arm; 17. a cutting plate; 18. and (5) installing a stud.
Detailed Description
The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.
The utility model provides a cement concrete mixing pile subgrade hole-guiding reaming bit as shown in fig. 1-3, which comprises a drilling barrel 1 and a cutting head 2 detachably connected to the bottom end of the drilling barrel 1, wherein a guide circular groove 4 is formed in the drilling barrel 1, through side square grooves 5 are formed in symmetrical positions of the drilling barrel 1 and are communicated with each other through the guide circular groove 4 and the side square grooves 5, a movable assembly longitudinally slides in the guide circular groove 4, two ends of the movable assembly penetrate through the side square grooves 5 and extend to the outside, two ends of the side square grooves 5, which are positioned at the outer end of the drilling barrel 1, are detachably connected with extension arms 15, the other ends of the extension arms 15 are rotatably connected with diagonal-pulling arms 16, the other ends of the diagonal-pulling arms 16 are rotatably connected with the peripheral side walls of the drilling barrel 1, the extension arms 15 are detachably connected with cutting plates 17, limit ring plates 12 are respectively arranged on the peripheral side walls of the drilling barrel 1 in symmetrical positions of the side square grooves 5, one sides, which are mutually close to each other limit ring plate 12 is respectively embedded in a sliding way, and a plurality of seal slide plates 13 positioned at the same side are respectively clamped with the movable assembly, and the two ends of the seal slide plates 2 can be used for reaming the hole-guiding reaming of the hole.
The movable assembly comprises a movable circular plate 7 longitudinally sliding in the guide circular groove 4 and a movable square plate 8 symmetrically arranged on the peripheral side wall of the movable circular plate 7 and capable of longitudinally sliding along the side square groove 5, the movable square plate 8 extends to the outside of the drill cylinder 1, a plurality of closed sliding plates 13 positioned on the same side are clamped with the same movable square plate 8, the movable circular plate 7 slides in the guide circular groove 4 to drive the movable square plate 8 to slide in the side square groove 5, the position and the angle of one end of the expansion arm 15 are changed, the position and the angle of the cutting plate 17 are changed, and the reaming operation of different diameters is adapted to requirements.
The end part of the limiting ring plate 12 is connected with a clamping ring 11, the clamping ring 11 is detachably sleeved on the peripheral side wall of the drill cylinder 1, a sliding groove for the sealing sliding plate 13 to slide is formed in the limiting ring plate 12, and the clamping ring 11 can fix the position of the limiting ring plate 12 on the drill cylinder 1.
One end of the expansion arm 15 is connected with a first clamping seat 9, one end of the first clamping seat 9, which is located outside the drill barrel 1, of the movable square plate 8 is detachably connected, one end, which is far away from the expansion arm 15, of the inclined pulling arm 16 is rotationally connected with a second clamping seat 10, the second clamping seat 10 is detachably connected with the peripheral side wall of the drill barrel 1, and the first clamping seat 9 and the second clamping seat 10 can improve the rotation smoothness of the expansion arm 15 and the inclined pulling arm 16.
The symmetrical positions of the non-cutting ends of the cutting plates 17 are respectively connected with a mounting stud 18 penetrating through the extension arm 15, nuts 14 are sleeved on the end portions of the mounting studs 18 in a threaded mode, and the cutting plates 17 are mounted on the extension arm 15 in a mode of the mounting studs 18 and the nuts 14, so that the mounting and the dismounting are convenient.
The one end that the bit 2 was kept away from to bore section of thick bamboo 1 has been seted up and has been placed circular slot 3, and communicates between placing circular slot 3 and the direction circular slot 4, and the placing circular slot 3 can dismantle and inlay and be equipped with driving piece 6, and driving piece 6 can dismantle with movable plectane 7 and be connected, and driving piece 6 self drive is in order to stretch out and draw back, and then drives movable plectane 7 and vertically slide along direction circular slot 4.
According to the utility model, the position and angle of one end of the expansion arm 15 are changed by driving the movable assembly to slide along the guide circular groove 4, and the cutting angle and position of the cutting plate 17 are changed by limiting the inclined pulling arm 16 so as to adapt to reaming operations with different diameters, in the moving process of the movable assembly, the closed sliding plate 13 on one side is pulled out of the limiting ring plate 12 along with the movement of the movable assembly, and the closed sliding plate 13 on the other side is plugged into the corresponding limiting ring plate 12, so that the closed sliding plate 13 on both sides always seals the side groove 5 in the moving process of the movable assembly along with the guide circular groove 4, and slag generated in the drilling process can be prevented from entering the drill cylinder 1 along with the opened side groove 5, so that not only is the free space of the movable assembly ensured, but also the stability of the moving process of the movable assembly can be improved by the time clamping of the closed sliding plate 13.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.
Claims (6)
1. Cement concrete mixing pile road bed draws hole reaming bit, its characterized in that: including boring section of thick bamboo (1) and can dismantle and connect in cutting head (2) of boring section of thick bamboo (1) bottom, set up direction circular slot (4) in boring section of thick bamboo (1), boring section of thick bamboo (1) all sets up side square slot (5) that run through with direction circular slot (4) symmetry position, communicate between direction circular slot (4) and a plurality of side square slot (5), vertical slip wears to be equipped with movable assembly in direction circular slot (4), movable assembly both ends pass side square slot (5) and extend to outside, side square slot (5) are located the both ends that bore section of thick bamboo (1) outside and all can dismantle rotation and be connected with extension arm (15), extension arm (15) other end rotation is connected with oblique pull arm (16), oblique pull arm (16) other end and boring section of thick bamboo (1) periphery lateral wall rotation are connected, extension arm (15) can dismantle and are connected with cutting board (17), boring section of thick bamboo (1) periphery lateral wall all is provided with spacing crown plate (12) with side square slot (5) symmetry position, a plurality of crown plates (12) are located and close one side slip all and seal up side slip and seal slide assembly (13) each other.
2. The cement concrete mixing pile subgrade pilot hole reaming bit according to claim 1, characterized in that: the movable assembly comprises a movable circular plate (7) longitudinally sliding in the guide circular groove (4) and a movable square plate (8) symmetrically arranged on the peripheral side wall of the movable circular plate (7) and capable of longitudinally sliding along the side square groove (5), the movable square plate (8) extends to the outside of the drill cylinder (1), and a plurality of closed sliding plates (13) located on the same side are clamped with the same movable square plate (8).
3. The cement concrete mixing pile subgrade pilot hole reaming bit according to claim 1, characterized in that: the end part of the limiting ring plate (12) is connected with a clamping ring (11), the clamping ring (11) is detachably sleeved on the outer peripheral side wall of the drill cylinder (1), and a sliding groove for the sliding of the sealing sliding plate (13) is formed in the limiting ring plate (12).
4. The cement concrete mixing pile subgrade pilot hole reaming bit according to claim 2, characterized in that: the extension arm (15) one end is connected with first cassette (9), first cassette (9) are located the one end of boring outside section of thick bamboo (1) with movable square board (8) and can dismantle and be connected, one end that extension arm (15) was kept away from to one side to cable-stayed arm (16) rotates and is connected with second cassette (10), second cassette (10) can dismantle with boring the peripheral lateral wall of section of thick bamboo (1) and be connected.
5. The cement concrete mixing pile subgrade pilot hole reaming bit according to claim 1, characterized in that: the symmetrical positions of the non-cutting ends of the cutting plates (17) are respectively connected with a mounting stud (18) penetrating through the extension arm (15), and nuts (14) are sleeved on the end parts of the mounting studs (18) in a threaded manner.
6. The cement concrete mixing pile subgrade pilot hole reaming bit according to claim 2, characterized in that: the drill cylinder (1) is far away from one end of the cutting head (2) and is provided with a placing round groove (3), the placing round groove (3) and the guiding round groove (4) are communicated, a driving piece (6) is detachably embedded in the placing round groove (3), and the driving piece (6) is detachably connected with the movable circular plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321201924.9U CN219840587U (en) | 2023-05-18 | 2023-05-18 | Hole-guiding reaming bit for cement concrete mixing pile roadbed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321201924.9U CN219840587U (en) | 2023-05-18 | 2023-05-18 | Hole-guiding reaming bit for cement concrete mixing pile roadbed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219840587U true CN219840587U (en) | 2023-10-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321201924.9U Active CN219840587U (en) | 2023-05-18 | 2023-05-18 | Hole-guiding reaming bit for cement concrete mixing pile roadbed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219840587U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117449758A (en) * | 2023-12-21 | 2024-01-26 | 山西建筑工程集团有限公司 | Concrete pile bores and digs device |
-
2023
- 2023-05-18 CN CN202321201924.9U patent/CN219840587U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117449758A (en) * | 2023-12-21 | 2024-01-26 | 山西建筑工程集团有限公司 | Concrete pile bores and digs device |
| CN117449758B (en) * | 2023-12-21 | 2024-03-08 | 山西建筑工程集团有限公司 | Concrete pile bores and digs device |
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| GR01 | Patent grant |