CN219674969U - Rotary drilling bit positioning device - Google Patents
Rotary drilling bit positioning device Download PDFInfo
- Publication number
- CN219674969U CN219674969U CN202321003397.0U CN202321003397U CN219674969U CN 219674969 U CN219674969 U CN 219674969U CN 202321003397 U CN202321003397 U CN 202321003397U CN 219674969 U CN219674969 U CN 219674969U
- Authority
- CN
- China
- Prior art keywords
- drill bit
- fixed
- locating rack
- bit
- positioning frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005553 drilling Methods 0.000 title claims abstract description 17
- 238000009434 installation Methods 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims 1
- 238000005299 abrasion Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a rotary drilling bit positioning device which comprises a bit positioning frame, wherein the bit positioning frame is in an annular arrangement, a plurality of centering structures are fixedly arranged on the side wall of the bit positioning frame, each centering structure is fixedly connected to the top end of the side wall of the bit positioning frame, each centering structure comprises a fixed base fixedly connected to the side wall of the bit positioning frame, the top end of the fixed base is fixedly connected with a fixed plate, the fixed plate is positioned above the bit positioning frame, and a fixed scale is arranged on the fixed plate. The four mutually perpendicular scales of the device are connected and fixed with the middle part of the drill bit, so that the problem of difficult centering caused by abrasion or deformation of the lower part of the drill bit is avoided, the inclination angle of the transmitter can be automatically corrected in a certain range, the transmitter transmits two perpendicular positioning laser projection surfaces, the point where the two laser projection surfaces intersect on the ground is the central line of the device, and the positioning efficiency is improved.
Description
Technical Field
The utility model relates to the field of drill bit positioning, in particular to a rotary drilling bit positioning device.
Background
The rotary drilling is a common construction pore-forming machine for cutting soil downwards through the rotation of a drill bit, the rotary drilling is required to be used for digging holes when a bored pile is drilled, and meanwhile, the control of pile positions is required to be focused in the construction process.
Four base lines are generally led out from the center point of the pile foundation to four vertical directions for positioning the bit position and retaining the pile position.
The traditional positioning method is characterized in that the pile position is determined by manually and visually observing the relative position between the intersection point of the drill bit and the ground and a base line when the drill bit descends to the ground, but uneven abrasion of the drill bit is often caused due to uneven stratum and hard objects such as stones exist underground in the excavation process, and the shape of the drill bit is influenced, so that the formed shape center point after the drill bit contacts the ground is not the post-drilling pile position center point; the newer locating mode is to place the locating rack on the ground, but because the locating rack needs to be connected with the drill bit through devices such as calipers and screws, the drill bit can cause the deviation of the whole locating rack when adjusting the position, the locating rack position needs to be adjusted repeatedly, and the locating efficiency is greatly reduced.
Disclosure of Invention
The utility model aims to solve the defects existing in the prior art, such as: the pile position is confirmed through the relative position of the intersection point of the drill bit and the ground and the base line when the drill bit descends to the ground by artificial vision, uneven abrasion of the drill bit is often caused, the shape of the drill bit is influenced, the shape center point formed after the drill bit is contacted with the ground is not the pile position center point after drilling, the positioning frame is connected with the drill bit through devices such as a caliper, a screw and the like, the whole positioning frame can deviate when the position of the drill bit is adjusted, the position of the positioning frame is required to be adjusted repeatedly, the positioning efficiency is greatly reduced, and the positioning device for the rotary drilling drill bit is provided.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a dig soon and bore drill bit positioner, includes the drill bit locating rack, the drill bit locating rack is the annular setting, fixedly provided with a plurality of centering structures on the lateral wall of drill bit locating rack, every equal fixed connection of centering structure is in the top department of drill bit locating rack lateral wall, every centering structure all includes fixed connection at the unable adjustment base of drill bit locating rack lateral wall, the top fixedly connected with fixed plate of fixed base, the fixed plate is located the top department of drill bit locating rack, be provided with fixed scale on the fixed plate, fixed scale runs through the fixed plate and stretches to the inboard setting of drill bit locating rack, fixed scale is located the fixed scale point that sets up of one end of drill bit locating rack inboard, fixed being provided with bearing structure on the drill bit locating rack.
Preferably, the supporting structure comprises a plurality of installation bases fixedly connected to the side wall of the drill bit positioning frame, each installation base is fixedly connected with a fixing rod on the side wall of one side of the drill bit positioning frame, each fixing rod is provided with a telescopic rod, a positioning laser emitter is fixedly connected to the bottom end of the side wall of each telescopic rod, and each positioning laser emitter is arranged towards the inner side of the drill bit positioning frame.
Preferably, the telescopic slot has been seted up to the inside of dead lever, the telescopic link runs through the lower inner wall of telescopic slot and stretches into the inside setting of telescopic slot, the lateral wall rope threaded connection of dead lever has adjusting bolt, adjusting bolt runs through the inside wall setting of telescopic slot.
Preferably, the centering structures and the supporting structures are staggered, and each centering structure and each supporting structure are uniformly distributed on the drill bit positioning frame.
Preferably, the top of fixed plate is provided with fixing bolt, fixing bolt runs through the fixed plate and pastes the setting mutually with the top of fixed scale, just fixing bolt and fixed plate threaded connection.
Preferably, a protection pad is fixedly arranged at the bottom end of the supporting structure.
Compared with the prior art, the utility model has the beneficial effects that: the device uses four mutually perpendicular scales to be connected and fixed with the middle part of the drill bit, so that the problem of difficult centering caused by abrasion or deformation of the lower part of the drill bit is avoided; meanwhile, the device is provided with two positioning laser projection devices which are arranged in the vertical direction, the positioning laser transmitters are self-leveling transmitters, the inclination angles of the transmitters can be automatically corrected within a certain range, the transmitters emit two vertical positioning laser projection surfaces, and the point where the two laser projection surfaces intersect on the ground is the central line of the device, so that the positioning efficiency is improved.
Drawings
Fig. 1 is a schematic perspective view of a positioning device for a rotary drilling bit according to the present utility model;
fig. 2 is a schematic perspective view of a centering structure of a rotary drilling bit positioning device according to the present utility model;
fig. 3 is a schematic perspective view of a supporting structure of a rotary drilling bit positioning device according to the present utility model.
In the figure: 1 drill bit locating rack, 2 bearing structure, 3 centering structure, 4 unable adjustment base, 5 fixed scale, 6 scale point, 7 fixed plate, 8 fixing bolt, 9 installation base, 10 dead lever, 11 telescopic link, 12 location laser emitter, 13 adjusting bolt.
Description of the embodiments
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.
Referring to fig. 1-3, a rotary drilling bit positioning device comprises a bit positioning frame 1, wherein the bit positioning frame 1 is in an annular arrangement, a plurality of centering structures 3 are fixedly arranged on the side wall of the bit positioning frame 1, each centering structure 3 is fixedly connected to the top end of the side wall of the bit positioning frame 1, each centering structure 3 comprises a fixed base 4 fixedly connected to the side wall of the bit positioning frame 1, a fixed plate 7 is fixedly connected to the top end of the fixed base 4, the fixed plate 7 is positioned above the bit positioning frame 1, a fixed scale 5 is arranged on the fixed plate 7, the fixed scale 5 penetrates through the fixed plate 7 and extends to the inner side of the bit positioning frame 1, a scale tip 6 is fixedly arranged at one end of the fixed scale 5 positioned on the inner side of the bit positioning frame 1, a supporting structure 2 is fixedly arranged on the bit positioning frame 1, the device is supported by the supporting structure 2, the fixed scale 5 is adjusted, and is fixedly connected to the middle part of the bit, the middle part of the bit is clamped by the fixed scale tip 6, and the problem of difficult centering caused by abrasion or deformation of the lower part of the bit is avoided;
the support structure 2 comprises a plurality of mounting bases 9 fixedly connected to the side wall of the drill bit positioning frame 1, a fixing rod 10 is fixedly connected to the side wall of one side, far away from the drill bit positioning frame 1, of each mounting base 9, a telescopic rod 11 is arranged at the bottom end of each fixing rod 10, a positioning laser emitter 12 is fixedly connected to the bottom end of the side wall of each telescopic rod 11, each positioning laser emitter 12 is arranged towards the inner side of the drill bit positioning frame 1, each positioning laser emitter 12 is a self-leveling emitter, the inclination angle of the emitter can be automatically corrected within a certain range, the positioning laser emitters 12 emit two vertical positioning laser projection surfaces, and the point where the two laser projection surfaces intersect on the ground is the central line of the device;
the telescopic slot is formed in the fixing rod 10, the telescopic rod 11 penetrates through the lower inner wall of the telescopic slot and stretches into the telescopic slot, an adjusting bolt 13 is connected with a side wall rope of the fixing rod 10 in a threaded mode, the adjusting bolt 13 penetrates through the inner wall of the telescopic slot, the adjusting bolt 13 is rotated, the telescopic rod 11 can be adjusted, the length of the telescopic rod 11 is changed, the height of the drill bit locating frame 1 is adjusted conveniently, and the adjusting bolt 13 is rotated after adjustment is completed, so that the telescopic rod 11 is fixed; the centering structures 3 and the supporting structures 2 are arranged in a staggered manner, and each centering structure 3 and each supporting structure 2 are uniformly distributed on the drill bit positioning frame 1;
the top end of the fixed plate 7 is provided with a fixed bolt 8, the fixed bolt 8 penetrates through the fixed plate 7 and is adhered to the top end of the fixed scale 5, the fixed bolt 8 is in threaded connection with the fixed plate 7, the fixed bolt 8 is rotated to unscrew the fixed bolt, the fixed scale 5 is moved, the scale tip 6 clamps a drill bit, and the fixed bolt 8 is screwed again to fix the fixed scale 5; the bottom end fixing of the supporting structure 2 is provided with a protection pad.
In the utility model, when the device is used, the adjusting bolt 13 is firstly unscrewed, the telescopic rod 11 is adjusted, so that the length of the telescopic rod 11 is changed, the height of the drill bit positioning frame 1 is adjusted, the adjusting bolt 13 is rotated after the adjustment is finished, the telescopic rod 11 is fixed, then a drill bit is arranged at the drill bit positioning frame 1 for adjustment, the fixing bolt 8 is firstly rotated to unscrew the fixing bolt, the fixing scale 5 is moved, the scale tip 6 clamps the middle part of the drill bit, the fixing bolt 8 is screwed, the fixing scale 5 is fixed, the problem of difficult centering caused by abrasion or deformation of the lower part of the drill bit is avoided, and finally, two perpendicular positioning laser projection surfaces are emitted through the positioning laser emitter 12, and the point where the two laser projection surfaces intersect on the ground is the center line of the device.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a dig soon and bore drill bit positioner, includes drill bit locating rack (1), drill bit locating rack (1) is annular setting, its characterized in that, fixedly on the lateral wall of drill bit locating rack (1) be provided with a plurality of centering structures (3), every centering structure (3) all fixed connection is in the top department of drill bit locating rack (1) lateral wall, every centering structure (3) all include unable adjustment base (4) of fixed connection at drill bit locating rack (1) lateral wall, unable adjustment base (4)'s top fixedly connected with fixed plate (7), fixed plate (7) are located the top department of drill bit locating rack (1), be provided with fixed scale (5) on fixed plate (7), fixed scale (5) run through fixed plate (7) and stretch to the inboard setting of drill bit locating rack (1), fixed scale (5) are located the inboard one end fixed scale point (6) that sets up of drill bit locating rack (1), fixed support structure (2) are provided with on drill bit locating rack (1).
2. The rotary drilling bit positioning device according to claim 1, wherein the supporting structure (2) comprises a plurality of installation bases (9) fixedly connected to the side walls of the bit positioning frame (1), a fixing rod (10) is fixedly connected to one side wall, far away from the bit positioning frame (1), of each installation base (9), a telescopic rod (11) is arranged at the bottom end of each fixing rod (10), a positioning laser emitter (12) is fixedly connected to the bottom end of the side wall of each telescopic rod (11), and each positioning laser emitter (12) is arranged towards the inner side of the bit positioning frame (1).
3. The rotary drilling bit positioning device according to claim 2, wherein the inside of the fixed rod (10) is provided with a telescopic groove, the telescopic rod (11) penetrates through the lower inner wall of the telescopic groove and stretches into the telescopic groove, the side wall rope of the fixed rod (10) is in threaded connection with an adjusting bolt (13), and the adjusting bolt (13) penetrates through the inner wall of the telescopic groove.
4. A rotary drilling bit positioning device according to claim 2, characterized in that the centering structures (3) and the supporting structures (2) are arranged in a staggered manner, and each centering structure (3) and each supporting structure (2) are uniformly distributed on the bit positioning frame (1).
5. The rotary drilling bit positioning device according to claim 1, wherein a fixing bolt (8) is arranged at the top end of the fixing plate (7), the fixing bolt (8) penetrates through the fixing plate (7) and is arranged in a manner of being attached to the top end of the fixing scale (5), and the fixing bolt (8) is in threaded connection with the fixing plate (7).
6. A rotary drill bit positioning device according to claim 1, characterized in that the bottom end of the support structure (2) is fixedly provided with a protective pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321003397.0U CN219674969U (en) | 2023-04-28 | 2023-04-28 | Rotary drilling bit positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321003397.0U CN219674969U (en) | 2023-04-28 | 2023-04-28 | Rotary drilling bit positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219674969U true CN219674969U (en) | 2023-09-12 |
Family
ID=87898410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321003397.0U Active CN219674969U (en) | 2023-04-28 | 2023-04-28 | Rotary drilling bit positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219674969U (en) |
-
2023
- 2023-04-28 CN CN202321003397.0U patent/CN219674969U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4747454A (en) | External axis parallel alignment system | |
| CN112554222B (en) | Pile foundation reinforcement cage elevation and centering positioning device and method | |
| CN111962505A (en) | Double-pile-casing positioning structure of collimation pile, double-pile-casing device, collimation pile and construction method | |
| CN219674969U (en) | Rotary drilling bit positioning device | |
| CN214640452U (en) | Assembled advance stock drilling positioner | |
| CN209928020U (en) | Drilling tool accurate measurement positioning device and rotary drilling rig | |
| CN210321605U (en) | Multifunctional measuring instrument | |
| CN109441352B (en) | Device for controlling drilling angle | |
| CN209228302U (en) | A kind of device for bore angle control | |
| CN213118160U (en) | Fixing device of laser emitter | |
| CN212427092U (en) | Ground anchor of assembled steel construction elevator | |
| CN220769361U (en) | Be used for pile foundation to draw hole straightness orthotic devices that hangs down | |
| CN210198257U (en) | Basic borer of civil engineering construction usefulness | |
| CN220705296U (en) | Irrigation control machine well house | |
| CN211648018U (en) | Deep hole cutting device for subway construction | |
| CN115125952B (en) | Device for installing spiral anchor foundation of transmission line iron tower and construction method | |
| CN110984258A (en) | Drilling, pile cutting and inclination correcting construction device and method for existing super high-rise building | |
| CN211954070U (en) | Multi-point displacement meter device for monitoring failure depth of bottom plate in coal mining engineering | |
| CN215215039U (en) | Miniature pipe jacking machine laying structure | |
| CN219343164U (en) | Bored pile reinforcing apparatus | |
| CN109680898A (en) | A kind of novel floor installation keel | |
| CN217652683U (en) | Anti-deviation device for rock and soil exploration drilling | |
| CN220620228U (en) | Underground base of foundation pit monitoring and sedimentation observation equipment | |
| CN115372937B (en) | Angle-adjustable laser ranging device | |
| CN220394540U (en) | Auxiliary positioning device is buried underground to protective casing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |