CN212958465U - Reaming device of rotary drilling rig - Google Patents
Reaming device of rotary drilling rig Download PDFInfo
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- CN212958465U CN212958465U CN202021788224.0U CN202021788224U CN212958465U CN 212958465 U CN212958465 U CN 212958465U CN 202021788224 U CN202021788224 U CN 202021788224U CN 212958465 U CN212958465 U CN 212958465U
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Abstract
The utility model relates to a dig reaming device of rig soon, it includes digs reaming piece soon, drives reaming piece pivoted and bores the body, provides the power shaft of power and the drill bit of digging soon, the power shaft passes and bores body up end and lower terminal surface, it is fixed in the power shaft to bore the body, the drill bit is fixed in the power shaft lower extreme, bore the body lateral wall and be the slope setting and the lower extreme keeps away from the power shaft, the reaming piece connect in bore the body, bore the body lateral wall and be connected with the dead lever of fixed reaming piece, the reaming piece is close to the side of boring the body and has seted up the main part groove, its open-ended lateral wall is kept away from in the main part groove and is fixed with a plurality of fixed blocks, and the dead lever inserts the main part inslot, and the. The effect dead lever that this application has inserts the clearance between the adjacent fixed block of difference to change the interval of reaming piece and power shaft, make and dig the bottom hole that the different apertures also can be dug soon to the drill bit when the machine operation soon, improve the efficiency effect of executing the work.
Description
Technical Field
The application relates to the field of rotary drilling rigs, in particular to a hole expanding device of a rotary drilling rig.
Background
The rotary drilling rig is also called a pile driver, is a comprehensive drilling rig and has the characteristics of high hole forming speed, less pollution, strong maneuverability and the like. Short auger bits perform dry excavation operations, and rotary drill bits may also be used to perform wet excavation operations with mud dado. The rotary excavator can be matched with a hammer to drill and dig holes in hard stratum. If the reamer is matched with a reaming head drilling tool, reaming operation can be carried out at the bottom of the hole.
The rotary drill is a construction process suitable for hole forming operation in building foundation engineering, is widely applied to foundation construction engineering such as municipal construction, highway bridges, high-rise buildings and the like, and is suitable for hole forming operation of dry (short spiral) or wet (rotary bucket) and rock strata (core drill) by matching with different drilling tools. At present, the diameter of a rotary drill of a rotary drilling rig is fixed, and only a hole with a certain diameter can be rotary drilled.
In view of the above-mentioned related technologies, the inventor thinks that there is a defect that it takes too long time to frequently replace the drill bit when the rotary drilling machine performs reaming, and the construction efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
In order to reduce and change the drill bit number of times when digging the reaming of machine soon, increase the efficiency of construction this application provides a reaming device who digs the machine soon.
The application provides a reaming device of machine of digging soon adopts following technical scheme:
the utility model provides a reaming device of machine of digging soon, includes that dig reaming piece soon, drive reaming piece pivoted and bore the body, provide the power shaft of power and carry out the drill bit of digging soon, the power shaft passes and bores body up end and lower terminal surface, bore the body and be fixed in the power shaft, the drill bit is fixed in the power shaft lower extreme, bore the body lateral wall and be the slope setting and the lower extreme keeps away from the power shaft, reaming piece connect in bore the body, bore the body lateral wall and be connected with the dead lever of fixed reaming piece, the reaming piece is close to the side of boring the body and has seted up the main part groove, its open-ended lateral wall is kept away from in the main part groove and is fixed with a plurality of fixed blocks, and the dead lever inserts the main part inslot.
By adopting the technical scheme, the fixing rod is inserted into the gap between different adjacent fixing blocks, so that the distance between the hole expanding block and the power shaft is changed, the bottom holes with different apertures can be dug without changing the drill bit during the operation of the rotary drilling machine, and the construction efficiency is improved.
Preferably, the top surface and the bottom surface of the fixing block are provided with inclined planes convenient for inserting the fixing rod, and one ends of the two inclined planes of the same fixing block, which are close to the drill body, are close to each other.
Through adopting above-mentioned technical scheme, make the dead lever better insert the clearance of adjacent fixed block, reduce the dead lever and insert the clearance time of adjacent fixed block, improve the efficiency of construction.
Preferably, the main part groove is adjacent to the opening thereof and is vertical both sides wall and has seted up the sliding tray respectively, the lateral wall that bores the body is kept away from in the main part groove and the lateral wall that bores the body is kept away from with the sliding tray and is the coplanar, the dead lever slides in the sliding tray, and is adjacent interval between the fixed block is greater than the dead lever up-and-down terminal surface distance, the side that the fixed block is close to boring the body and the lateral surface interval that the sliding tray is close to boring the body are greater than the parallel both sides wall distance that bores the body lateral wall.
By adopting the technical scheme, the fixing rod can be ensured to slide in the sliding groove and be inserted into the gap between the adjacent fixing blocks, the arranged sliding groove limits the reaming block to be separated from the drill body, so that the drill body and the reaming block can slide or be fixed with each other, and the distance between the reaming block and the power shaft is different, thereby being capable of rotary excavating bottom holes with different apertures.
Preferably, the main body groove and the two vertical side walls adjacent to the opening of the main body groove are respectively fixed with a pressing plate, the side wall of the drill body is provided with a limiting groove for limiting the position of the reaming block, the pressing plate is inserted into the limiting groove, and the two sides of the limiting groove are respectively connected with sliding parts for fixing the pressing plate.
By adopting the technical scheme, the sliding part fixes the pressing plate, so that the reaming block is connected with the drill body more firmly, and the reaming block is fixed with the drill body during rotary drilling operation, thereby improving the reaming precision.
Preferably, the sliding part comprises a sliding plate sliding on the side wall of the drill body and a connecting plate for fixing the sliding plate, the connecting plate is fixed on one side of the sliding plate close to the reaming block, a plurality of through holes penetrating through the connecting plate are formed in the side wall of the connecting plate close to the reaming block, the through holes are connected with penetrating columns for fixing the connecting plates on two sides of the limiting groove, and the penetrating columns simultaneously penetrate through the reaming block and the through holes on two sides of the limiting groove.
By adopting the technical scheme, the sliding plates on the two sides of the reaming block are fixed, the positions of the reaming block and the drill body are further limited, and the reaming precision is improved.
Preferably, dovetail grooves for guiding the sliding plate are formed in two sides of the limiting groove, and protective shells for protecting the dovetail grooves are fixed to two sides of the limiting groove respectively.
By adopting the technical scheme, the broken slag is reduced from entering the dovetail groove, the sliding plate slides stably, and the relative position of the reaming block and the drill body is convenient to adjust.
Preferably, the lower end of the side wall, far away from the drill body, of the hole expanding block inclines towards the drill body, and the side wall, far away from the drill body, of the hole expanding block is connected with a plurality of cutters for rotary drilling operation.
By adopting the technical scheme, the cutter is easier to dig the hole in a rotary mode, and the construction efficiency is improved.
Preferably, the main body groove and the sliding groove penetrate through the lower end of the reaming block, and the lower end of the reaming block is provided with a protective door capable of opening and closing the lower end openings of the main body groove and the sliding groove.
Through adopting above-mentioned technical scheme, the dead lever passes through main part groove and sliding tray lower extreme opening can thoroughly separate with the reaming piece, and the shutter prevents that the piece from entering into the main part inslot, the independent maintenance of the reaming piece of being convenient for and the drill body.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the distance between the hole expanding block and the power shaft is changed, so that the bottom holes with different apertures can be rotatably excavated without changing a drill bit during the operation of the rotary excavating machine, and the construction efficiency is improved;
2. the sliding part fixes the pressing plate, so that the reaming block is connected with the drill body more tightly, the fixed rod is directly separated from the gap of the fixed block when the rotary drilling machine works, and the fixed rod slides in the sliding groove to influence the working condition.
Drawings
Fig. 1 is a schematic view illustrating a reaming device of a rotary drilling machine according to an embodiment of the present application;
FIG. 2 is a schematic diagram illustrating the connection structure of the drill body and the reamer block according to an embodiment of the present disclosure;
fig. 3 is an enlarged schematic view of an embodiment of the present application for showing a in fig. 1.
Description of reference numerals: 1. a drill body; 11. a limiting groove; 12. fixing the rod; 13. a connecting rod; 2. a reaming block; 21. a body groove; 22. a sliding groove; 23. a fixed block; 24. a through hole; 25. a cutter; 26. a protective door; 3. pressing a plate; 4. a slider; 41. a sliding plate; 42. a connecting plate; 421. A through hole; 43. a slider; 5. penetrating the column; 6. a power shaft; 7. a drill bit; 71. a chip groove; 8. a dovetail groove; 9. a protective shell; 91. and (4) protecting the groove.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses reaming device of rotary drilling rig, when the rotary drilling rig drills the bottom holes with different sizes, the rotary drilling radius is directly changed, the number of times of replacing the rotary drilling bit is reduced, and construction efficiency is improved.
Referring to fig. 1, the drilling device comprises a reaming block 2 for rotary drilling and reaming, a drill body 1 for driving the reaming block 2 to rotate, a power shaft 6 for providing power, and a drill bit 7 for rotary drilling. The power shaft 6 penetrates through the upper end face and the lower end face of the drill body 1, the drill body 1 is fixed on the power shaft 6 through bolts, the upper end of the drill bit 7 is fixed at the lower end of the power shaft 6 in a welding mode, the drill bit 7 is conical, the conical top faces downwards, chip discharge grooves 71 for discharging chips during operation are formed in the drill bit 7, and the chip discharge grooves 71 are spirally distributed on the surface of the drill bit 7. The power shaft 6 is rotated to drive the drill bit 7 to rotate, the power shaft 6 moves downwards to enable the drill bit 7 to move downwards, and chips generated during rotation are discharged through the chip discharge grooves 71.
Referring to fig. 2, the lateral wall of the drill body 1 is trapezoidal and the upper side is shorter than the lower side, four side faces of the drill body 1 are respectively provided with a limiting groove 11 for limiting the sliding of the reaming block 2, the limiting groove 11 is far away from the open-ended lateral wall and is welded and fixed with a connecting rod 13, the connecting rod 13 is far away from one end of the rotation axis of the drill body 1 and is welded and fixed with a fixing rod 12 for fixing the reaming block 2, and the fixing rod 12 is horizontally arranged. The reaming piece 2 sets up respectively in spacing groove 11, and reaming piece 2 is close to the lateral wall of boring body 1 and offers main part groove 21, and main part groove 21 runs through reaming piece 2 lower extreme, and main part groove 21 is adjacent rather than the opening and be vertical both sides wall and has offered sliding tray 22 respectively, and sliding tray 22 runs through reaming piece 2 lower extreme, and the lateral wall that boring body 1 was kept away from in main part groove 21 and the lateral wall that boring body 1 was kept away from to sliding tray 22 are the coplanar. The sliding groove 22 and the main body groove 21 are jointly welded and fixed with a plurality of fixing blocks 23 which are vertically arranged, the distance between every two adjacent fixing blocks 23 is equal, the distance between every two adjacent fixing blocks 23 is larger than the distance between the upper end face and the lower end face of the fixing rod 12, the distance between the side face, close to the drill body 1, of each fixing block 23 and the distance between the side face, close to the drill body 1, of the sliding groove 22 are larger than the distance between the two side walls, parallel to the side wall of the drill body 1, of the fixing rod 12, the inclined faces 231 are formed in the top face and the bottom face of each fixing. The fixing rod 12 is inserted into the main body groove 21 and slides in the sliding groove 22 to adjust the height of the reaming block 2, the fixing rod 12 is inserted into the gap between the adjacent fixing blocks 23, the top wall of the fixing rod 12 abuts against the bottom wall of the fixing block 23, the bottom wall of the fixing rod 12 abuts against the top wall of the adjacent fixing block 23, the side wall of the fixing rod 12 far away from the drill body 1 abuts against the side wall of the main body groove 21 far away from the opening of the main body groove 21, and therefore relative displacement between the reaming block 2 and the drill body 1 is limited.
Referring to fig. 1, a protective door 26 for opening and closing the lower end openings of the main body groove 21 and the sliding groove 22 to prevent debris from entering the inner cavity of the reaming block 2 is fixedly connected to the lower end of the reaming block 2 through bolts. The side wall of the reaming block 2 far away from the drill body 1 is arc-surface-shaped, the lower end of the reaming block inclines towards the drill body 1, and a plurality of cutters 26 are fixedly welded on the side wall of the reaming block 2 far away from the drill body 1.
Referring to fig. 1, as shown in fig. 3, two vertical sidewalls adjacent to the reaming block 2 and the main body groove 21 are respectively welded and fixed with a pressing plate 3, the pressing plate 3 is inserted into the limiting groove 11, sidewalls of the two pressing plates 3 far away from the reaming block 2 are respectively abutted to sidewalls adjacent to the opening of the limiting groove 11 and vertically arranged, and the sidewalls of the pressing plate 3 close to the opening of the limiting groove 11 and the sidewalls of the drill body 1 are in the same plane. The side wall of the drill body 1 is provided with 4 dovetail grooves 8, and the two dovetail grooves 8 are positioned on one side of the reaming block 2 and are vertical to the rotation axis of the drill body 1. The two dovetail grooves 8 on the same side are connected with a sliding piece 4 for fixing the pressure plate 3, and the sliding piece 4 comprises a sliding plate 41 and a connecting plate 42 which slide back and forth on the side wall of the drill body 1. The upper end and the lower end of the side wall of the sliding plate 41, which are close to the drill body 1, are respectively welded and fixed with a sliding block 43, the sliding block 43 slides in the dovetail groove 8 to drive the sliding plate 41 to move, the reaming block 2 is inserted into the limiting groove 11, the side surface of the pressing plate 3, which is close to the rotation axis of the drill body 1, abuts against the side surface of the limiting groove 11, which is far away from the opening of the limiting groove 11, the side surface of the pressing plate 3, which is far away from the reaming block 2, abuts against the side surface of the limiting groove 11, which is vertical to the dovetail groove 8, the sliding plate 41 is pulled to enable the side surface of the sliding plate 41, which is close to the rotation axis of. The connecting plate 42 is welded and fixed on the sliding plate 41 near the side wall of the reaming block 2, a plurality of through holes 421 are opened on the connecting plate 42 near the side wall of the reaming block 2, the through holes 421 penetrate through the connecting plate 42, the through holes 421 are arranged along the length direction of the connecting plate 42, and the distance between adjacent through holes 421 is equal. The side wall of the pressing plate 3 fixed on the hole expanding block 2 is provided with a through hole 24, the through hole 24 penetrates through the hole expanding block 2, the through hole 24 is connected with a through column 5, and the through column 5 simultaneously penetrates through the through hole 24 and through holes 421 at two sides of the limiting groove 11 and is fixed on the through holes 421 through nuts. Thereby fixing the sliding plates 41 at the two ends of the limiting groove 11 and avoiding the failure of the separation equipment of the reaming block 2 and the drill body 1 caused by the movement of the reaming block 2 towards the direction far away from the axis of the rotating shaft of the drill body 1 due to the sliding of the sliding plates 41.
Referring to fig. 1, the side wall of the drill body 1 is connected with two groups of protective cases 9 for protecting the dovetail grooves 8, the protective cases 9 are respectively welded and fixed on two sides of the limiting groove 11 and cover the dovetail grooves 8, a protective groove 91 is formed in the side wall of the protective case 9 close to the reaming block 2, the protective groove 91 penetrates through the protective case 9 and is close to the side wall of the drill body 1, and the sliding plate 41 penetrates through the protective case 9. The dovetail groove 8 is located the protective housing 9 inner chamber, reduces the piece that the during operation produced and gets into and block up the dovetail groove 8 in the dovetail groove 8.
The implementation principle of the reaming device of the rotary drilling rig in the embodiment of the application is as follows: when bottom holes with different apertures need to be dug in a rotary mode, the hole expanding block 2 is made to move in the direction away from the rotating axis of the drill body 1, the fixed rod 12 abuts against the side face, close to the rotating axis of the drill body 1, of the sliding groove 22, the hole expanding block 2 slides on the side wall of the drill body 1 to adjust the size of the aperture needing to be dug in a rotary mode, the fixed rod 12 is made to be inserted into the fixed block 23, the sliding plates 41 on the two sides of the limiting groove 11 are pulled to penetrate through the column 5 through the through holes 421 and 24 on the two ends and fixed through the spiral mode, the power shaft 6 is started. And stopping the power shaft 6, separating the penetrating column 5 to reset the sliding plate 41, and adjusting the position of the hole expanding block 2 again so as to adjust the size of the rotary drilling hole.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a reaming device of rotary drilling rig which characterized in that: comprises a reaming block (2) for rotary drilling and reaming, a drill body (1) for driving the reaming block to rotate, a power shaft (6) for providing power and a drill bit (7) for rotary drilling, the power shaft (6) penetrates through the upper end surface and the lower end surface of the drill body (1), the drill body (1) is fixed on the power shaft (6), the drill bit (7) is fixed at the lower end of the power shaft (6), the side wall of the drill body (1) is obliquely arranged, the lower end of the drill body is far away from the power shaft (6), the reaming block (2) is connected with the drill body (1), the side wall of the drill body (1) is connected with a fixing rod (12) for fixing the reaming block (2), a main body groove (21) is arranged on the side surface of the reaming block (2) close to the drill body (1), the side wall of the main body groove (21) far away from the opening is fixedly provided with a plurality of fixing blocks (23), the fixing rod (12) is inserted into the main body groove (21), and the fixing rod (12) is abutted to the gap between the adjacent fixing blocks (23).
2. The reaming device of the rotary drilling rig according to claim 1, wherein the reaming device comprises: the top surface and the bottom surface of the fixing block (23) are both provided with inclined surfaces (231) which are convenient for inserting the fixing rod (12), and one ends of the two inclined surfaces (231) of the same fixing block (23) which are close to the drill body (1) are close to each other.
3. The reaming device of the rotary drilling rig according to claim 1, wherein the reaming device comprises: main part groove (21) adjacent rather than the opening and be vertical both sides wall and seted up sliding tray (22) respectively, the lateral wall that bores body (1) is kept away from in main part groove (21) and sliding tray (22) is kept away from the lateral wall that bores body (1) and is the coplanar, dead lever (12) slide in sliding tray (22), and are adjacent the interval is greater than dead lever (12) terminal surface distance from top to bottom between fixed block (23), fixed block (23) are close to the side that bores body (1) and sliding tray (22) the side interval that is close to bore body (1) and are greater than dead lever (12) parallel bore the both sides wall distance of body (1) lateral wall.
4. The reaming device of the rotary drilling rig according to claim 1, wherein the reaming device comprises: the drill is characterized in that the main body groove (21) is adjacent to an opening of the main body groove and is provided with two vertical side walls which are respectively fixed with a pressing plate (3), the side wall of the drill body (1) is provided with a limiting groove (11) for limiting the position of the reaming block (2), the pressing plate (3) is inserted into the limiting groove (11), and two sides of the limiting groove (11) are respectively connected with a sliding part (4) for fixing the pressing plate (3).
5. The reaming device of the rotary drilling rig according to claim 4, wherein the reaming device comprises: the sliding piece (4) comprises a sliding plate (41) sliding on the side wall of the drill body (1) and a connecting plate (42) for fixing the sliding plate (41), the connecting plate (42) is fixed on one side, close to the reaming block (2), of the sliding plate (41), a plurality of through holes (421) penetrating through the connecting plate (42) are formed in the side wall, close to the reaming block (2), of the connecting plate (42), the through holes (421) are connected with penetrating columns (5) enabling the connecting plates (42) on the two sides of the limiting groove (11) to be fixed, and the penetrating columns (5) penetrate through the reaming block (2) and the through holes (421) on the two sides of the limiting groove (11) simultaneously.
6. The reaming device of the rotary drilling rig according to claim 4, wherein the reaming device comprises: dovetail grooves (8) for guiding the sliding plates (41) are formed in two sides of the limiting groove (11), and protective shells (9) for protecting the dovetail grooves (8) are fixed to two sides of the limiting groove (11) respectively.
7. The reaming device of the rotary drilling rig according to claim 1, wherein the reaming device comprises: the lower end of the side wall, far away from the drilling body (1), of the hole expanding block (2) inclines towards the drilling body (1), and the side wall, far away from the drilling body (1), of the hole expanding block (2) is connected with a plurality of cutters (25) used for rotary drilling operation.
8. The reaming device of the rotary drilling rig according to claim 1, wherein the reaming device comprises: the main body groove (21) and the sliding groove (22) penetrate through the lower end of the reaming block (2), and the lower end of the reaming block (2) is provided with a protective door (26) capable of opening and closing the lower end openings of the main body groove (21) and the sliding groove (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021788224.0U CN212958465U (en) | 2020-08-22 | 2020-08-22 | Reaming device of rotary drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021788224.0U CN212958465U (en) | 2020-08-22 | 2020-08-22 | Reaming device of rotary drilling rig |
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| CN212958465U true CN212958465U (en) | 2021-04-13 |
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| CN202021788224.0U Active CN212958465U (en) | 2020-08-22 | 2020-08-22 | Reaming device of rotary drilling rig |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117662177A (en) * | 2023-12-29 | 2024-03-08 | 中交城乡建设规划设计研究院有限公司 | Pipe shed construction method based on dragging process |
-
2020
- 2020-08-22 CN CN202021788224.0U patent/CN212958465U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117662177A (en) * | 2023-12-29 | 2024-03-08 | 中交城乡建设规划设计研究院有限公司 | Pipe shed construction method based on dragging process |
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