CN213540266U - Rotary drilling bit with noise reduction function - Google Patents
Rotary drilling bit with noise reduction function Download PDFInfo
- Publication number
- CN213540266U CN213540266U CN202022699701.2U CN202022699701U CN213540266U CN 213540266 U CN213540266 U CN 213540266U CN 202022699701 U CN202022699701 U CN 202022699701U CN 213540266 U CN213540266 U CN 213540266U
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- Prior art keywords
- barrels
- lamella formula
- buffer block
- spring
- noise reduction
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- 238000005553 drilling Methods 0.000 title claims abstract description 22
- 241000446313 Lamella Species 0.000 claims abstract description 61
- 230000036346 tooth eruption Effects 0.000 claims abstract description 13
- 230000003139 buffering effect Effects 0.000 claims abstract description 8
- 239000000872 buffer Substances 0.000 claims description 44
- 239000012790 adhesive layer Substances 0.000 claims description 5
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 4
- 238000013016 damping Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 11
- 230000004630 mental health Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 5
- 229920000297 Rayon Polymers 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000006173 Good's buffer Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model relates to a dig drill bit soon with function of making an uproar falls relates to the field of drill bit, and it includes and digs the square head that rig drilling rod lower extreme is connected soon, the square head lower extreme is provided with two lamella formula barrels through two connecting pin symmetries, the lower extreme interval of two lamella formula barrels is equipped with a plurality of cutting teeth, one two lamella formula barrels are close to another the relative both sides of two lamella formula barrels are equipped with a plurality of buffering subassemblies, and are a plurality of the buffering subassembly is laid along vertical direction interval. This application has the noise that produces when reducing two lamella barrels and fold, reduces the noise pollution among the construction environment, does not influence constructor's physical and mental health's effect.
Description
Technical Field
The application relates to the field of drill bits, in particular to a rotary drilling bit with a noise reduction function.
Background
With the rapid development of national economy, China has huge market demands in the construction field of the industries such as traffic, electric power and municipal engineering, and the construction of environment-friendly pile foundation engineering by adopting a rotary drilling rig becomes an unprecedented construction technology. When clay excavation construction is carried out, a two-bucket rotary drilling bit is usually adopted.
A chinese patent with application number CN201920619082.6 discloses a bottomless two-bucket rotary drilling bit. This drill bit, including the square head, the square head lower extreme is provided with two lamella formula barrels through two connecting pin symmetries, and two barrel inner walls of two lamella formula barrels all are equipped with the breather pipe, and breather pipe upper end opening is located the stack shell lateral wall, and the lower extreme is equipped with the apron. The cover plate is arranged at the lower end of the vent pipe through a spring and a pin shaft. The spring is compressed during normal drilling, and the cover plate is closed; in the drill lifting process, annular mud enters the vent pipe from the upper opening of the vent pipe, and the lower cover plate is forced to be opened under the action of the pressure of the mud liquid column, so that the mud enters the lower part of the drill bit, and a vacuum negative pressure area is prevented from being generated below the drill bit in the drill lifting process.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: the two-petal type cylinder body is continuously opened and closed during working, when the two-petal type cylinder body is closed, the two-petal type cylinder body can collide to generate larger noise, the noise not only pollutes the construction environment, but also influences the physical and mental health of constructors.
SUMMERY OF THE UTILITY MODEL
In order to reduce the noise that produces when two lamella barrels fold, reduce the noise pollution among the construction environment, do not influence constructor's physical and mental health, this application provides a dig drill bit soon with function of making an uproar falls.
The application provides a dig drill bit soon with function of making an uproar falls adopts following technical scheme:
the utility model provides a dig drill bit soon with function of making an uproar falls, includes the square head of being connected with the drilling rod lower extreme of digging the rig soon, the square head lower extreme is provided with two lamella formula barrels through two connecting pin symmetries, the lower extreme interval of two lamella formula barrels is equipped with a plurality of cutting teeth, one two lamella formula barrels are close to another the relative both sides of two lamella formula barrels are equipped with a plurality of buffering subassemblies, and are a plurality of the buffering subassembly is laid along vertical direction interval.
Through adopting above-mentioned technical scheme, when two lamella formula barrels close up, the buffering subassembly has the cushioning effect between two lamella formula barrels, can enough guarantee two normal foling of two lamella formula barrels, also can reduce the impact when two lamella formula barrels close up, thereby reduce the noise that produces when two lamella formula barrels close up, reduce the noise pollution in the construction environment, avoid noise influence constructor's physical and mental health, the impact when two lamella formula barrels of slowing down that a plurality of buffering subassemblies can be better, the noise that abundant reduction collision produced.
Optionally, the buffer assembly includes: a spring and a buffer block;
one two lamella formula barrels and another the fixed slot has been seted up on the lateral wall that two lamella formula barrels laminated mutually, the spring is located in the fixed slot, the one end of spring with the interior diapire fixed connection of fixed slot, the buffer block is located the other end of spring, the buffer block is close to the one end of spring is located all the time in the fixed slot, works as two lamella formula barrels fold the back, the buffer block sinks in the fixed slot.
Through adopting above-mentioned technical scheme, when two lamella formula barrels open, the buffer block is under the effect of spring restoring force, keep away from the one end protrusion of spring in the fixed slot, when two lamella formula barrels fold, keep away from two lamella formula barrels and buffer block looks butt of buffer block, at the folding in-process, the spring is compressed gradually, the spring has good cushioning effect, reduce the impact of two lamella formula barrels, make folding together of two lamella formula barrels comparatively gently together, thereby reduce the noise pollution among the construction environment.
Optionally, the two opposite sides of the two-piece cylinder body far away from the buffer block are provided with grooves, rubber pads are detachably connected in the grooves, one side, close to the buffer block, of each rubber pad slightly protrudes out of the corresponding groove, and after the two-piece cylinder bodies are closed, the rubber pads are attached to one end face, far away from the springs, of the buffer block.
Through adopting above-mentioned technical scheme, the rubber pad also has good cushioning effect, can further slow down the impact when two lamella formula barrels close up, and when two lamella formula barrels close up, the rubber pad is compressed, and two lamella formula barrels are laminated mutually, makes two lamella formula barrels close up the back middle difficult gap that leaves, guarantees to dig going on smoothly of work soon.
Optionally, an adhesive layer is arranged on the inner wall of the groove, and the rubber pad is detachably connected with the groove through the adhesive layer.
Through adopting above-mentioned technical scheme, when the rubber pad damaged through collision emergence many times, the rubber pad passes through the viscose layer to be connected with recess detachable, and the constructor of being convenient for changes the rubber pad.
Optionally, the rubber gasket further comprises a plurality of fixing bolts, a plurality of thread grooves are formed in the inner bottom wall of the groove at intervals in the vertical direction, fixing through holes are formed in positions of the rubber gasket corresponding to the thread grooves, and the plurality of fixing bolts penetrate through the plurality of fixing through holes and are assembled with the thread grooves in a threaded manner.
Through adopting above-mentioned technical scheme, through twisting fixing bolt, can enough realize the removable of rubber pad, also can make the rubber pad firm be fixed in the recess, be difficult for with the recess phase separation.
Optionally, a sinking groove is formed in a position, corresponding to the fixing through hole, of the rubber pad, the sinking groove is communicated with the fixing through hole, and one end, close to the buffer block, of the fixing bolt is located in the sinking groove.
Through adopting above-mentioned technical scheme, the heavy groove makes fixing bolt be difficult for bumping with the two lamella formula barrels at buffer block place, also can make the better laminating of two lamella formula barrels close up.
Optionally, the peripheral wall of two lamella formula barrels is equipped with many screw thread form sand grips that revolve to unanimity.
Through adopting above-mentioned technical scheme, the sand grip has the guard action, can prevent that the periphery wall is excessively worn and torn when two lamella formula barrels are drilled, and the frictional force when two lamella formula barrels are dug soon can be reduced to the sand grip of screw thread form, more is favorable to cutting teeth dig the drilling soon.
Optionally, the cutting teeth are made of alloy steel.
By adopting the technical scheme, the cutting teeth made of alloy steel can improve the strength of the cutting teeth, so that the cutting teeth are not easy to damage during rotary drilling, and the service life of the cutting teeth is prolonged.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the two-piece type cylinder bodies are folded, the buffer assembly has a buffer effect between the two-piece type cylinder bodies, so that the two-piece type cylinder bodies can be normally folded, and the collision force when the two-piece type cylinder bodies are folded can be reduced, so that the noise generated when the two-piece type cylinder bodies are folded is reduced, the noise pollution in a construction environment is reduced, and the influence of the noise on the physical and mental health of construction personnel is avoided;
2. when the two-piece barrel bodies are folded, the two-piece barrel bodies far away from the buffer block are abutted to the buffer block, the spring is gradually compressed in the folding process, the spring has a good buffer effect, the collision force of the two-piece barrel bodies is reduced, the two-piece barrel bodies are slightly folded together, and therefore noise pollution in the construction environment is reduced;
3. when the rubber pad damages through collision many times, the rubber pad passes through the viscose layer and is connected with recess detachable, and the constructor of being convenient for changes the rubber pad.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a folded two-piece barrel in the embodiment of the present application;
FIG. 3 is a schematic structural diagram of a cushion assembly in an embodiment of the present application;
fig. 4 is a schematic view of a connection structure between a rubber pad and a two-petal cylinder in the embodiment of the application.
Reference numerals: 1. a square head; 2. a two-petal cylinder; 21. a groove; 3. cutting teeth; 4. a buffer assembly; 41. a spring; 42. a buffer block; 5. a rubber pad; 51. sinking a groove; 6. an adhesive layer; 7. fixing the bolt; 8. and (4) raised strips.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a dig drill bit soon with function of making an uproar falls. Referring to fig. 1 and 2, the rotary drilling bit with the noise reduction function comprises a square head 1 connected with the lower end of a drill rod of the rotary drilling rig, two petal type cylinders 2 are symmetrically arranged at the lower end of the square head 1 through two connecting pins, the two petal type cylinders 2 are made of steel, the two petal type cylinders 2 are cylindrical when being folded, a plurality of protruding strips 8 rotating to the same thread form are welded on the outer peripheral walls of the two petal type cylinders 2, the rotating direction of the protruding strips 8 is the same as that of the two petal type cylinders 2, a plurality of cutting teeth 3 are welded at intervals at the lower ends of the two petal type cylinders 2, and the cutting teeth 3 are made of alloy steel.
Referring to fig. 1 and 3, a plurality of buffer assemblies 4 are arranged on two opposite sides of one two-petal cylinder 2 close to the other two-petal cylinder 2, and the buffer assemblies 4 are arranged at intervals along the vertical direction.
The cushion assembly 4 includes: a spring 41 and a buffer block 42; the fixed slot has been seted up on the lateral wall that two lamella formula barrel 2 and another two lamella formula barrel 2 were laminated mutually, spring 41 locates in the fixed slot, spring 41's one end is fixed with the interior diapire welded of fixed slot, buffer block 42 welds in spring 41's the other end, buffer block 42 is located the fixed slot all the time near spring 41's one end, when two lamella formula barrels 2 open, under the effect of spring 41 restoring force, spring 41's one end is kept away from to buffer block 42 outside popping out the fixed slot, after two lamella formula barrels 2 fold, buffer block 42 did not go into in the fixed slot.
Referring to fig. 1 and 4, two lamella formula barrel 2 relative both sides of keeping away from buffer block 42 are seted up flutedly 21, recess 21 is equipped with two and is located two lamella formula barrel 2's upper and lower both ends respectively, detachable connection has rubber pad 5 in the recess 21, the length of recess 21 is greater than the length of rubber pad 5 so that rubber pad 5 can submerge in recess 21 when being extruded deformation, the coating has viscose layer 6 on the inner wall of recess 21, rubber pad 5 is connected with recess 21 detachable through viscose layer 6, the one side that rubber pad 5 is close to buffer block 42 slightly protrudes in recess 21, after two lamella formula barrel 2 foldd, rubber pad 5 is submerged in recess 21 by the extrusion, rubber pad 5 and buffer block 42 keep away from a terminal surface of spring 41 and laminate mutually.
Be equipped with fixing bolt 7 between rubber pad 5 and the two lamella formula barrels 2, the interior diapire of recess 21 is equipped with a plurality of thread grooves along vertical direction spaced apart, and fixing hole has been seted up with the corresponding department of thread groove to rubber pad 5, and fixing bolt 7 is equipped with a plurality ofly, and a plurality of fixing bolt 7 run through a plurality of fixing hole respectively and with thread groove screw assembly.
The implementation principle of the rotary drilling bit with the noise reduction function in the embodiment of the application is as follows: when two lamella formula barrels 2 open, the buffer block 42 is under the effect of spring 41 restoring force, the one end protrusion in the fixed slot of keeping away from spring 41, when two lamella formula barrels 2 fold, two lamella formula barrels 2 and the buffer block 42 looks butt of keeping away from buffer block 42, in folding the in-process, spring 41 is compressed gradually, spring 41 has good cushioning effect, can enough guarantee two normal foldings of two lamella formula barrels 2, also can reduce the impact when two lamella formula barrels 2 fold, thereby reduce the noise that produces when two lamella formula barrels 2 fold, reduce the noise pollution in the construction environment, avoid the noise to influence constructor's physical and mental health.
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 dig drill bit soon with function of making an uproar falls, includes square head (1) of being connected with the drilling rod lower extreme of digging the rig soon, square head (1) lower extreme is provided with two lamella formula barrels (2) through two connecting pin symmetries, the lower extreme interval of two lamella formula barrels (2) is equipped with a plurality of cutting teeth (3), its characterized in that: one two lamella formula barrel (2) are close to another two relative both sides of two lamella formula barrel (2) are equipped with a plurality of buffering subassemblies (4), and are a plurality of buffering subassembly (4) are laid along vertical direction interval.
2. The rotary drilling bit with the noise reduction function according to claim 1, characterized in that: the damping assembly (4) comprises: a spring (41) and a buffer block (42);
one two lamella formula barrels (2) and another the fixed slot has been seted up on the lateral wall that two lamella formula barrels (2) laminated mutually, spring (41) are located in the fixed slot, the one end of spring (41) with the interior diapire fixed connection of fixed slot, buffer block (42) are located the other end of spring (41), buffer block (42) are close to the one end of spring (41) is located all the time in the fixed slot, work as two lamella formula barrels (2) fold the back, buffer block (42) sink into in the fixed slot.
3. The rotary drilling bit with the noise reduction function according to claim 2, characterized in that: keep away from buffer block (42) two lamella formula barrel (2) relative both sides are seted up recess (21), can dismantle in recess (21) and be connected with rubber pad (5), rubber pad (5) are close to one side of buffer block (42) slightly bulge in recess (21), work as two lamella formula barrel (2) fold the back, rubber pad (5) with buffer block (42) are kept away from a terminal surface of spring (41) is laminated mutually.
4. The rotary drilling bit with the noise reduction function according to claim 3, characterized in that: be equipped with adhesive layer (6) on the inner wall of recess (21), rubber pad (5) pass through adhesive layer (6) with recess (21) detachable is connected.
5. The rotary drilling bit with the noise reduction function according to claim 4, characterized in that: the rubber gasket is characterized by further comprising fixing bolts (7), a plurality of thread grooves are formed in the inner bottom wall of the groove (21) at intervals in the vertical direction, fixing through holes are formed in the positions, corresponding to the thread grooves, of the rubber gasket (5), the fixing bolts (7) are arranged in a plurality, and the fixing bolts (7) penetrate through the fixing through holes respectively and are assembled with the thread grooves in a threaded mode.
6. The rotary drilling bit with the noise reduction function according to claim 5, characterized in that: the rubber pad (5) is provided with a sinking groove (51) at the position corresponding to the fixing through hole, the sinking groove (51) is communicated with the fixing through hole, and one end of the fixing bolt (7) close to the buffer block (42) is positioned in the sinking groove (51).
7. The rotary drilling bit with the noise reduction function according to claim 6, characterized in that: the periphery wall of the two-petal cylinder body (2) is provided with a plurality of thread-shaped convex strips (8) with consistent turning directions.
8. The rotary drilling bit with the noise reduction function according to claim 7, characterized in that: the cutting teeth (3) are made of alloy steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022699701.2U CN213540266U (en) | 2020-11-20 | 2020-11-20 | Rotary drilling bit with noise reduction function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022699701.2U CN213540266U (en) | 2020-11-20 | 2020-11-20 | Rotary drilling bit with noise reduction function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213540266U true CN213540266U (en) | 2021-06-25 |
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ID=76483603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022699701.2U Expired - Fee Related CN213540266U (en) | 2020-11-20 | 2020-11-20 | Rotary drilling bit with noise reduction function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213540266U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233207A (en) * | 2021-12-29 | 2022-03-25 | 扬州市育英钣金机械有限公司 | Rotary drilling bit capable of realizing quick insertion type connection |
-
2020
- 2020-11-20 CN CN202022699701.2U patent/CN213540266U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114233207A (en) * | 2021-12-29 | 2022-03-25 | 扬州市育英钣金机械有限公司 | Rotary drilling bit capable of realizing quick insertion type connection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210625 |