CN208252040U - A kind of drilling bit of rotary-digging drilling rig being easy to slag dumping - Google Patents
A kind of drilling bit of rotary-digging drilling rig being easy to slag dumping Download PDFInfo
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- CN208252040U CN208252040U CN201820771631.7U CN201820771631U CN208252040U CN 208252040 U CN208252040 U CN 208252040U CN 201820771631 U CN201820771631 U CN 201820771631U CN 208252040 U CN208252040 U CN 208252040U
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- slag dumping
- drilling
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- push rod
- slag
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Abstract
The utility model discloses a kind of drilling bit of rotary-digging drilling rig for being easy to slag dumping, including drill bit pedestal and drilling pipe, the drilling pipe lower end is connected by latching device with the drill bit pedestal, drilling pipe upper end is equipped with power head interface and the locking bar for triggering latching device, rotary drilling rig further includes slag dumping push plate and slag dumping push rod, the slag dumping push plate is located in the drilling pipe, and the slag dumping push rod is actively arranged in the drilling pipe upper end, and slag dumping push rod lower end is connected with the slag dumping push plate.The utility model has many advantages, such as that structure is simple, improvement cost is low, is easy to slag dumping.
Description
Technical field
The utility model relates to engineering machinery more particularly to a kind of drilling bit of rotary-digging drilling rig for being easy to slag dumping.
Background technique
Foundation engineering is the main object of building trade research, and various regions lead to difficulty of construction not since rock structure is different
One.And cast-in-situ bored pile is that infrastructure is most conventional, most common construction technology, pore-forming equipment generallys use rotary digging drill bit.
The structure of rotary digging drill bit is as shown in Fig. 1, including drill bit pedestal and drilling pipe, and drilling pipe bottom passes through latching device and drill bit pedestal phase
Even, the setting of drilling pipe upper end is for the locking bar of unlock and for connecting the power head interface of power head, when power head moves downward
When compressing locking bar, locking bar triggers latching device, and drill bit pedestal is opened and starts slag dumping.This rotary drilling rig bores on common stratum
Kong Shi, one-tenth porosity is high, progress is fast, at low cost, work efficiency is high, but when encountering stronger cohesive soil, dregs tends to be sticked to drilling pipe
Interior and be difficult to lay down, at this moment generally requiring human assistance carries out drawing slag, and processing efficiency is caused to substantially reduce, and the pore-forming time extends,
Collapse hole hidden danger increases, and is unable to satisfy the requirement of engineering.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies of the prior art and provide that a kind of structure is simple, cost
Drilling bit of rotary-digging drilling rig that is low, being easy to slag dumping.
In order to solve the above technical problems, the utility model uses following technical scheme:
A kind of drilling bit of rotary-digging drilling rig being easy to slag dumping, including drill bit pedestal and drilling pipe, the drilling pipe lower end pass through locking machine
Structure is connected with the drill bit pedestal, and drilling pipe upper end is equipped with power head interface and the locking bar for triggering latching device, rotary drilling rig
It further include slag dumping push plate and slag dumping push rod, the slag dumping push plate is located in the drilling pipe, and the slag dumping push rod is actively arranged in
The drilling pipe upper end, and slag dumping push rod lower end is connected with the slag dumping push plate.
As a further improvement of the above technical scheme: elastic component, the slag dumping push rod are arranged on the slag dumping push rod
Upper end is equipped with limiting section, and the elastic component upper end leans on the limiting section support, elastic component lower end and the slag dumping push plate against.
As a further improvement of the above technical scheme: slag dumping push rod lower end actively passes through the slag dumping push plate,
Slag dumping push rod lower end is equipped with stop nut, and the slag dumping push plate is positioned on the stop nut.
As a further improvement of the above technical scheme: the elastic component is spring.
As a further improvement of the above technical scheme: the slag dumping push plate is equipped with the evacuation for avoiding the locking bar
Notch.
As a further improvement of the above technical scheme: the slag dumping push plate is equipped with multiple air holes.
As a further improvement of the above technical scheme: the latching device includes the latch hook on the drill bit pedestal
And it is articulated with the closing piece on the drilling pipe side wall, described closing piece one end and the slag dumping push rod are hinged, the closing piece other end and institute
State latch hook overlap joint.
Compared with the prior art, the advantages of the utility model are: the churning driven disclosed by the utility model for being easy to slag dumping
Slag dumping push plate is arranged in machine drill head in drilling pipe, and a movable slag dumping push rod, slag dumping push rod upper end and slag dumping is arranged in drilling pipe upper end
Push plate upper end, structure is simple, and improving cost is low.When encountering the very strong dregs of stickiness, first power head interface and power head are connected
It connects, then triggers latching device using power head compression locking bar, open drill bit pedestal, power head is finally made to continue to move downward pressure
Contracting slag dumping push rod drives slag dumping push plate that the dregs in drilling pipe is discharged, cooperates twisting, the whipping bit operation of power head, completes
Slag dumping work, it is time saving and energy saving without manually drawing slag, improve production efficiency and construction quality.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing rotary drilling rig.
Fig. 2 is the side structure schematic view for the drilling bit of rotary-digging drilling rig that the utility model is easy to slag dumping.
Fig. 3 is the overlooking structure diagram of the slag dumping push plate in the utility model.
Each label indicates in figure: 1, drill bit pedestal；2, drilling pipe；21, power head interface；3, latching device；31, latch hook；
32, closing piece；4, locking bar；5, slag dumping push plate；51, notch is avoided；52, air hole；6, slag dumping push rod；61, elastic component；62, it limits
Portion；63, stop nut.
Specific embodiment
The utility model is described in further detail below in conjunction with Figure of description and specific embodiment.
Fig. 2 to Fig. 3 shows an embodiment of the present invention, the rotary drilling rig for being easy to slag dumping of the present embodiment, packet
Drill bit pedestal 1 and drilling pipe 2 are included, 2 lower end of drilling pipe is connected by latching device 3 with drill bit pedestal 1, and 2 upper end of drilling pipe is equipped with power head
Interface 21 and locking bar 4 for triggering latching device 3, rotary drilling rig further includes slag dumping push plate 5 and slag dumping push rod 6, slag dumping push plate 5
In drilling pipe 2, slag dumping push rod 6 is actively arranged in 2 upper end of drilling pipe, and 6 lower end of slag dumping push rod is connected with slag dumping push plate 5.When
When encountering the very strong dregs of stickiness, first power head interface 21 is connect with power head (not shown), then utilizes power head
It compresses locking bar 4 and triggers latching device 3, open drill bit pedestal 1, power head is finally made to continue to move downward compression slag dumping push rod 6, band
Dregs in drilling pipe 2 is discharged for dynamic slag dumping push plate 5, cooperates twisting, the whipping bit operation of power head, completes slag dumping work, nothing
Slag need to be manually drawn, it is time saving and energy saving, improve production efficiency and construction quality.
Further, elastic component 61 is arranged on slag dumping push rod 6,6 upper end of slag dumping push rod is equipped with limiting section 62, elastic component 61
Upper end and limiting section 62 against, 61 lower end of elastic component and slag dumping push plate 5 against.Elastic component 61 is set, its pressure on the one hand can be utilized
Elastic force after contracting realizes automatically reseting for slag dumping push rod 6, is conducive to be repeated a number of times and pushes away slag, on the other hand realizes slag dumping push plate
5 buffering.In the present embodiment, elastic component 61 is spring, and certainly in other embodiments, elastic rubber can also be used in elastic component 61
Function is realized Deng other elastic elements.
Further, in the present embodiment, 6 lower end of slag dumping push rod actively passes through slag dumping push plate 5,6 lower end of slag dumping push rod
Equipped with stop nut 63 (namely 6 lower end of slag dumping push rod is equipped with external screw thread), slag dumping push plate 5 is positioned on stop nut 63.It can be with
The height that slag dumping push plate 5 is adjusted by rotary stopper nut 63 meets the requirement that drilling pipe 2 under different operating conditions fills slag, slag dumping, structure
Simply, use is more flexible.
Further, in this embodiment slag dumping push plate 5 is equipped with the evacuation notch 51 for avoiding locking bar 4.The structure makes
The entire cross section of drilling pipe 2 can be covered as far as possible by obtaining slag dumping push plate 5, not stay dead angle, improve slag dumping effect, while will not influence locking bar
4 movement.
Further, slag dumping push plate 5 is equipped with multiple air holes 52.When slag dumping push plate 5 moves downward, setting air hole 52 has
Conducive to ventilation decompression, stickiness dregs is prevented to be pressed further by, slag dumping difficulty is caused to increase.
Further, latching device 3 includes the latch hook 31 on drill bit pedestal 1 and is articulated on 2 side wall of drilling pipe
Closing piece 32,32 one end of closing piece and slag dumping push rod 6 are hinged, and 32 other end of closing piece and latch hook 31 overlap.When slag dumping push rod 6 is transported downwards
When dynamic, closing piece 32 is driven to rotate around the hinge joint of itself and drilling pipe 2,32 other end of closing piece is separated with latch hook 31, realizes unlock, structure
Simply, reliably.In the present embodiment, closing piece 32 uses V-structure, and middle part tip location and drilling pipe 2 are side walls hinged.
Although the utility model has been disclosed with preferred embodiment as above, it is not intended to limit the utility model.It is any
Those skilled in the art, in the case where not departing from technical solutions of the utility model range, all using the disclosure above
Technology contents many possible changes and modifications are made to technical solutions of the utility model, or be revised as the equivalent of equivalent variations
Embodiment.Therefore, all contents without departing from technical solutions of the utility model, according to the utility model technical spirit to the above reality
Any simple modifications, equivalents, and modifications that example is done are applied, should all be fallen in the range of technical solutions of the utility model protection.
Claims (7)
1. a kind of drilling bit of rotary-digging drilling rig for being easy to slag dumping, including drill bit pedestal (1) and drilling pipe (2), drilling pipe (2) lower end passes through
Latching device (3) is connected with the drill bit pedestal (1), and drilling pipe (2) upper end is equipped with power head interface (21) and for triggering lock
The locking bar (4) of mechanism (3), it is characterised in that: rotary drilling rig further includes slag dumping push plate (5) and slag dumping push rod (6), and the slag dumping pushes away
Plate (5) is located in the drilling pipe (2), and the slag dumping push rod (6) is actively arranged in the drilling pipe (2) upper end, and slag dumping push rod
(6) lower end is connected with the slag dumping push plate (5).
2. the drilling bit of rotary-digging drilling rig according to claim 1 for being easy to slag dumping, it is characterised in that: on the slag dumping push rod (6)
It is arranged with elastic component (61), slag dumping push rod (6) upper end is equipped with limiting section (62), elastic component (61) upper end and the limit
Position portion (62) against, elastic component (61) lower end and the slag dumping push plate (5) against.
3. the drilling bit of rotary-digging drilling rig according to claim 2 for being easy to slag dumping, it is characterised in that: under the slag dumping push rod (6)
End actively passes through the slag dumping push plate (5), and slag dumping push rod (6) lower end is equipped with stop nut (63), and the slag dumping push plate (5) is fixed
On the stop nut (63).
4. the drilling bit of rotary-digging drilling rig according to claim 2 for being easy to slag dumping, it is characterised in that: the elastic component (61) is bullet
Spring.
5. the drilling bit of rotary-digging drilling rig according to claim 1 for being easy to slag dumping, it is characterised in that: on the slag dumping push plate (5)
Equipped with the evacuation notch (51) for avoiding the locking bar (4).
6. the drilling bit of rotary-digging drilling rig according to any one of claim 1 to 5 for being easy to slag dumping, it is characterised in that: described to unload
Slag push plate (5) is equipped with multiple air holes (52).
7. the drilling bit of rotary-digging drilling rig according to any one of claim 1 to 5 for being easy to slag dumping, it is characterised in that: the lock
Buckle mechanism (3) includes the latch hook (31) being set on the drill bit pedestal (1) and the closing piece being articulated on the drilling pipe (2) side wall
(32), hingedly, closing piece (32) other end and the latch hook (31) overlap for described closing piece (32) one end and the slag dumping push rod (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820771631.7U CN208252040U (en) | 2018-05-22 | 2018-05-22 | A kind of drilling bit of rotary-digging drilling rig being easy to slag dumping |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820771631.7U CN208252040U (en) | 2018-05-22 | 2018-05-22 | A kind of drilling bit of rotary-digging drilling rig being easy to slag dumping |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208252040U true CN208252040U (en) | 2018-12-18 |
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ID=66481435
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820771631.7U Active CN208252040U (en) | 2018-05-22 | 2018-05-22 | A kind of drilling bit of rotary-digging drilling rig being easy to slag dumping |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110318701A (en) * | 2019-05-09 | 2019-10-11 | 潍坊学院 | Large capacity speed unloads type rotary drilling digger |
| CN110984863A (en) * | 2019-11-25 | 2020-04-10 | 江苏安能钻掘设备科技有限公司 | Drill bit for digging drilling machine |
| CN111794686A (en) * | 2020-06-23 | 2020-10-20 | 天明(南京)智能装备科技有限公司 | Well drilling auxiliary tool |
| CN112267839A (en) * | 2020-11-13 | 2021-01-26 | 中铁四局集团建筑工程有限公司 | Drill bit for rotary drilling rig |
| CN113982490A (en) * | 2021-11-26 | 2022-01-28 | 山东高速路桥装备工程有限公司 | Rotary drilling bit suitable for mudstone stratum and rotary drilling construction method |
-
2018
- 2018-05-22 CN CN201820771631.7U patent/CN208252040U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110318701A (en) * | 2019-05-09 | 2019-10-11 | 潍坊学院 | Large capacity speed unloads type rotary drilling digger |
| CN110984863A (en) * | 2019-11-25 | 2020-04-10 | 江苏安能钻掘设备科技有限公司 | Drill bit for digging drilling machine |
| CN111794686A (en) * | 2020-06-23 | 2020-10-20 | 天明(南京)智能装备科技有限公司 | Well drilling auxiliary tool |
| CN111794686B (en) * | 2020-06-23 | 2022-05-03 | 天明(南京)智能装备科技有限公司 | Well drilling auxiliary tool |
| CN112267839A (en) * | 2020-11-13 | 2021-01-26 | 中铁四局集团建筑工程有限公司 | Drill bit for rotary drilling rig |
| CN113982490A (en) * | 2021-11-26 | 2022-01-28 | 山东高速路桥装备工程有限公司 | Rotary drilling bit suitable for mudstone stratum and rotary drilling construction method |
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