CN207974768U - Rotary excavating extruding expanding drilling head and rotary drilling rig including it - Google Patents
Rotary excavating extruding expanding drilling head and rotary drilling rig including it Download PDFInfo
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- CN207974768U CN207974768U CN201820091451.4U CN201820091451U CN207974768U CN 207974768 U CN207974768 U CN 207974768U CN 201820091451 U CN201820091451 U CN 201820091451U CN 207974768 U CN207974768 U CN 207974768U
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- 238000005553 drilling Methods 0.000 title claims abstract description 76
- 239000002689 soil Substances 0.000 claims abstract description 36
- 238000005520 cutting process Methods 0.000 claims abstract description 12
- 239000007787 solid Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 14
- 238000009434 installation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 3
- 238000005429 filling process Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a kind of rotary excavating extruding expanding drilling heads, including：Drill main body and hydraulic system, the drill main body include cylinder, and the cylinder includes fixed part and movable part, and the interior axial direction along the cylinder of the fixed part is provided with frame；The hydraulic system is located at the radial direction setting in the cylinder and along the cylinder, and the hydraulic system includes hydraulic pump and the telescopic shaft that connect with the hydraulic pump, and the hydraulic pump fixed installation is on said frame；The movable part is connected to the outside of the fixed part by the telescopic shaft, horizontally moveable relative to the fixed part.The invention also discloses a kind of rotary drilling rigs including the rotary excavating extruding expanding drilling head.The utility model can the rotary cutting soil body and squeezed aperture；It is simple in structure, it is easy to operate；Can fast pore-creating, improve pile foundation construction quality and bearing capacity, reduce dregs discharge, energy-saving and emission-reduction reduce engineering cost, avoid that collapse hole accident occurs.
Description
Technical field
The utility model is related to engineering construction technology fields, more particularly to a kind of rotary excavating extruding expanding drilling head and including
Its rotary drilling rig.
Background technology
In civil construction foundation engineering, in all drilling pouring pile hole operations, rotary drilling rig is filled in drilling at present
Stake is noted, extensive use in a variety of foundation basic constructions such as diaphram wall, strengthening of foundation is primarily adapted for use in sandy soil, cohesive soil, powder
The soil layers drilling construction such as matter soil has the characteristics that pore-forming is fast, operation is light, comfortable.
But whether the rock core drill of short spiral or rotary bucket or rock stratum can only all creep into shoveling to current drilling tool,
Cannot be squeezed to the hole well progress of small-bore, can not be by soil layer dense extrusion loose around the borehole wall of hole, and it is unable to reach raising
Pile foundation quality reduces shoveling amount, reduces dregs discharge and stacks, environmental protection and soil resource avoid the effect of environmental pollution.
Therefore, it is necessary to one kind spiral-digging pore but also squeezing expansion aperture, and can reach raising pile foundation quality, reduce and dig
The drill bit apparatus of soil amount purpose.
Utility model content
Based on drawbacks described above existing in the prior art, the purpose of this utility model is to provide one kind can rotary cutting
The soil body, and the rotary excavating extruding expanding drilling head in the squeezed aperture of energy.The utility model rotary excavating extruding expanding drilling header structure is simple, easy to operate；Energy
Enough fast pore-creatings, improve pile foundation construction quality, improve the bearing capacity of pile foundation, reduce engineering cost, avoid collapse hole in filling process
The generation of accident, reduces dregs discharge capacity, and soil protection resource reduces environmental pollution.
The another object of the utility model is to provide a kind of rotary drilling rig including the rotary excavating extruding expanding drilling head.
Above-mentioned purpose is achieved through the following technical solutions：
One side according to the present utility model, a kind of rotary excavating extruding expanding drilling head provided by the utility model, which is characterized in that
Including：Drill main body and hydraulic system, the drill main body include cylinder, and the cylinder includes fixed part and movable part, institute
It states the axial direction in fixed part along the cylinder and is provided with frame；The hydraulic system is located in the cylinder and along the cylinder
Radial setting, the hydraulic system include hydraulic pump and the telescopic shaft that connect with the hydraulic pump, the hydraulic pump fixed installation
On said frame；The movable part is connected to the outside of the fixed part by the telescopic shaft, relative to the fixed part
It is horizontally moveable.
In the utility model, the fixed part and the movable part are detachably connected, when carrying out rotary digging drilling hole operation,
The fixed part and the movable part constitute complete cylindrical tube, and device to hole well depth direction carries out rotary digging drilling hole；Carry out
When squeezed operation, the movable part is with the fixed part from the movable part is upheld outward, and the device to hole borehole wall carries out squeezed aperture
Operation.
Preferably, the cylinder is cylindrical tube, is made of a fixed part and two movable parts, wherein two institutes
State the both sides that movable part is symmetrically connected to the fixed part.
Preferably, the drill main body further include be located at the cylinder at the top of upper plate and positioned at the cylinder body bottom
Lower plate, the lower plate are fixed at the bottom of the fixed part.
Preferably, the lower plate is fixed with the pick of multiple cutting soil bodys.It is highly preferred that the pick is welded on the cylinder
In body lower plate.Preferably, the pick and the lower plate are at an angle, facilitate the cutting soil body.
Preferably, the hydraulic pump is set as four, respectively symmetrically is fixed on the top of the both sides of the frame under
Portion.
Preferably, the hydraulic system further includes operating display, and squeezed stroke is shown on the operating display and is squeezed
Expand stress.
Other side according to the present utility model, a kind of rotary drilling rig provided by the utility model, which is characterized in that packet
Rotary excavating extruding expanding drilling head described in the utility model is included, and
Drilling rod is connect with the rotary excavating extruding expanding drilling head,
Oil pipe and oil return pipe are sent, is connect with the hydraulic system in the rotary excavating extruding expanding drilling head by the drilling rod, is led to
Cross send oil pipe and the oil return pipe described in the HYDRAULIC CONTROL SYSTEM send oil and oil return.
Preferably, the rotary excavating extruding expanding drilling head is connect by joint flange disk with the drilling rod.It is highly preferred that the connector
Ring flange is square knuckle ring flange.
Include using the method that rotary drilling rig described in the utility model is constructed multiple strokes rotary digging it is squeezed,
In,
The rotary digging of each stroke is squeezed to be included the following steps：
The rotary drilling rig is put into Kong Jing by the first step, and pick cuts the soil body, the soil body of cutting is received described
In cylinder, the drilling rod is above carried, the rotary excavating extruding expanding drilling head is proposed into ground, the soil body of cutting is thrown away, by the rotary digging
Extruding-enlarging aiguille is reentered into Kong Jing；
Second step, starts hydraulic system, and movable part upholds squeezed aperture outward under the driving of telescopic shaft；
Third walks, and bounce back the telescopic shaft, rotates the cylinder with the angle less than 360 °；
4th step repeats second step and third step operation, until squeezed to design aperture.
Preferably, in second step, the stroke that the movable part upholds squeezed aperture outward is 5cm~10cm.
Preferably, in the third step, the angle for rotating the cylinder is 60 degree, 90 degree or 120 degree.
It is highly preferred that in the third step, the angle for rotating the cylinder is 120 degree, and in the 4th step, is repeated twice
Second step and third step operation, to which the cylinder is had rotated 360 °.
Rotary drilling rig described in the utility model is constructed, and it is squeezed to carry out rotary digging using the multiple angles of multiple strokes,
So that the surrounding soil of the hole borehole wall is uniformly squeezed and closely knit firm, squeezed quality is improved, ensure that the circularity in aperture.
Advantageous effect：
The utility model rotary excavating extruding expanding drilling header structure is simple, easy to operate, can the rotary cutting soil body and squeezed hole
Diameter；Can fast pore-creating, improve pile foundation construction quality, improve the bearing capacity of pile foundation, reduce engineering cost, avoid in filling process
The loose collapse hole accident of the hole wall soil body；Dregs discharge capacity is reduced, soil protection resource reduces environmental pollution.
The utility model uses split type drill main body, facilitates operation, described solid when carrying out rotary digging drilling hole operation
Determine portion and the movable part constitutes cylindrical tube, device to hole well depth direction carries out rotary digging drilling hole；When carrying out squeezed operation, institute
Movable part is stated with the fixed part from extension, carries out squeezed aperture operation outward；The utility model is multiple using multiple strokes
It is squeezed to carry out rotary digging to angle so that the surrounding soil of the hole borehole wall is uniformly squeezed, closely knit firm, improves squeezed hole well surrounding
Soil body quality ensure that aperture circularity；The utility model uses Hydraulic guide control, and squeezed power is strong, easy to use.
Description of the drawings
Usage state diagram when Fig. 1 is the rotary digging drilling hole of the utility model rotary excavating extruding expanding drilling head；
Usage state diagram when Fig. 2 is the squeezed aperture of the utility model rotary excavating extruding expanding drilling head；
When Fig. 3 is the utility model rotary excavating extruding expanding drilling head rotary digging drilling hole, the structural schematic diagram on drill main body top；
When Fig. 4 is the utility model rotary excavating extruding expanding drilling head squeezed aperture, the structural schematic diagram on drill main body top.
Specific implementation mode
Below in conjunction with the accompanying drawings and the specific embodiments, the technical solution of the utility model is clearly and completely described：
As shown in Figs 1-4, the utility model provides a kind of rotary excavating extruding expanding drilling head, including：Drill main body and hydraulic system,
The drill main body includes cylinder 5, and the cylinder 5 includes fixed part 52 and movable part 51, the interior axial direction along cylinder 5 of fixed part 52
It is provided with frame 7；The hydraulic system is located at the radial direction setting in cylinder 5 and along cylinder 5, hydraulic system include hydraulic pump and with
The telescopic shaft 6 of hydraulic pump connection, hydraulic pump are fixedly mounted on frame 7；Movable part 51 is connected to fixed part 52 by telescopic shaft 6
Outside, it is horizontally moveable relative to fixed part 52.
In the utility model, fixed part 52 and movable part 51 are detachably connected, split type setting, are carrying out rotary digging drilling hole
When operation, fixed part 52 and movable part 51 constitute cylindrical tube 5, and the depth direction of device to hole well 11 carries out rotary digging drilling hole；Into
When the squeezed operation of row, movable part 51 is detached with fixed part 52, is upheld the borehole wall of extruded hole well 11 outward, is carried out squeezed aperture behaviour
Make.Further, cylinder 5 is cylindrical tube 5, is made of a fixed part 52 and two movable parts 51, wherein two activities
Portion 51 is symmetrically connected to the both sides of fixed part 52.
In the present embodiment, drill main body further includes being located at the upper plate 10 at the top of cylinder and the lower plate 9 positioned at cylinder body bottom,
Lower plate 9 is fixed at the bottom of fixed part 52.Further, lower plate 9 is fixed with the pick 8 of multiple cutting soil bodys.More into one
Step ground, pick 8 is at an angle to be welded in 5 lower plate 9 of cylinder, and the cutting soil body is facilitated.
In the present embodiment, hydraulic pump is set as four, respectively symmetrically is fixed on the upper and lower part of the both sides of frame 7.
Further, the hydraulic system further includes operating display (not shown), shown on the operating display squeezed stroke with
Squeezed stress.
A kind of rotary drilling rig provided by the utility model includes the rotary excavating extruding expanding drilling head of the utility model, and
Drilling rod 1 is connect with rotary excavating extruding expanding drilling head,
Oil pipe 2 and oil return pipe 3 are sent, is connect with the hydraulic system in rotary excavating extruding expanding drilling head by drilling rod 1, passes through hydraulic system
What oil pipe 2 and oil return pipe 3 were sent in control send oil and oil return.
Further, rotary excavating extruding expanding drilling head is connect by joint flange disk 4 with drilling rod 1.It is highly preferred that the joint flange
Disk 4 is square knuckle ring flange 4.
Include using the method that the rotary drilling rig of the utility model is constructed multiple strokes rotary digging it is squeezed, wherein it is every
The rotary digging of a stroke is squeezed to be included the following steps：
Rotary drilling rig is put into hole well 11 by the first step, and pick 8 cuts the soil body, the soil block of cutting is received in cylinder 5,
Drilling rod 1 is above carried, rotary excavating extruding expanding drilling head is proposed into ground, the soil block of cutting is thrown away, rotary excavating extruding expanding drilling head is reentered into hole Jing Chu；
Second step, starts hydraulic system, and movable part 51 upholds squeezed aperture outward under the driving of telescopic shaft 6；
Third walks, and bounce back telescopic shaft 6, with the angle rotary barrel 5 less than 360 °；
4th step repeats second step and third step operation, until squeezed to design aperture.
In the present embodiment, in second step, the stroke that movable part 51 upholds squeezed aperture outward is 5cm~10cm, described
The stroke in squeezed aperture can be calculated according to the compactness of soil property and be obtained.In the third step, cylinder 5 can rotate 60 degree, 90 degree or
120 degree, preferably rotate 120 degree.
Further, in the third step, the angle of rotary barrel 5 is 120 degree, and in the 4th step, is repeated twice the
Two steps and third step operation, to which the cylinder is had rotated 360 °.
In the utility model, before construction, construction section hop count is calculated according to crown height, according to selected bit diameter meter
Squeezed stroke is calculated, using the multiple angles of multiple strokes it is squeezed to carry out rotary digging for construction method so that the soil body quilt around Kong Jing
It uniformly squeezes and closely knit firm, improves squeezed quality, ensure that the circularity in aperture.
Below with certain municipal works science of bridge building drilled pile, for be described in detail：The drilled pile Pile Diameter 1.5
Rice, 40 meters of stake beam, pile foundation geology are cohesive soil, and underground water is at 2 meters of below ground, and selection is slightly less than the rotation of design Pile Diameter
Drill bit is dug, distance is required squeezed stroke between rotary digging drill bit and stake holes, and 5 a diameter of 1.2 meters of cylinder is selected in the present embodiment
The utility model Spiral digging machine enlarging aiguille, crown height be 1.5 meters.It is applied using multiple according to the height of drill bit in the present embodiment
Workshop section constructs.
When construction, carry out in accordance with the following steps：
1. surveying and locating stake position (centre coordinate), embedding steel pile casting, wherein steel pile casting is 2 meters long；
2. then carrying out the rotary digging drilling hole operation of the first construction section：The center of drill bit is aligned with the center of stake, drilling bore hole
Diameter is 1.2 meters, then drill bit is extracted ground by the hole well 11 that depth is 3.2 meters, and the soil block in cylinder 5 is transported and is stacked outside hole, then
Drill bit is replaced at 3.2 meters of hole depth；
3. the squeezed aperture operation of multi-angle：Start hydraulic system, up and down four hydraulic pumps for being fixed on frame 7 are same
Shi Qidong, telescopic shaft 6 drive movable part 51 to uphold outward, and the stroke in squeezed aperture, squeezed aperture can be according to the compactness of soil property
And depending on the diameter of selected drill bit, squeezed stroke is 5cm in the present embodiment；Bounce back movable part 51, and cylinder 5 resets, rotation 120
Degree；Restart hydraulic pump, 51 squeezed aperture of driving movable part, squeezed stroke is 5cm；Then bounce back movable part 51, resets, rotation
120 degree；Continue to start hydraulic pump, 51 squeezed aperture of driving movable part, squeezed stroke is 5cm；
4. according to above-mentioned steps 2, continue repeatedly above-mentioned two cycle of squeezed aperture operation so that stake holes is by original 1.2
1.5 meters of meter Bian Cheng；
5. carrying out the rotary digging drilling hole of next construction section again：Drill bit is restored to the state for the cylinder 5 that aperture is 1.2 meters, after
Continuous lower 1.2 meters of brill, takes out drill bit, throws away soil block or soil；
6. squeezed aperture again：Continue points three weeks, and carries out squeezed aperture operation to 120 degree of angle three-times-weekly, it will
Stake holes 1.2m is squeezed to 1.5m；
7. according to above-mentioned steps 2-6, creep into repeatedly, it is repeatedly squeezed, until stake bottom absolute altitude pore-forming is completed.
Shoveling 25.434m is reduced through analyzing the pile foundation boring3, shoveling slip is 36%, reduces dregs soil amount 37m3
(void side's amount), while the quality of pile foundation is improved, the bearing power increase of pile foundation, is avoided in filling process because of hole well 11
The borehole wall soil body it is loose and caused by collapse hole accident.
It is easy to operate in conclusion the rotary excavating extruding expanding drilling header structure of the utility model is simple, can fast and effective pore-forming,
Pile foundation construction quality is improved, engineering cost is reduced, reduces shoveling amount.
The preferred embodiment in the utility model is described above in association with attached drawing, but the utility model is not limited to
The specific implementation mode stated, the above mentioned embodiment is only schematical, be not it is restrictive, this field it is common
Technical staff is not departing from the utility model aims and scope of the claimed protection situation under the enlightenment of the utility model
Under, many forms can also be made, these are belonged within scope of protection of the utility model.
Claims (6)
1. a kind of rotary excavating extruding expanding drilling head, which is characterized in that including：Drill main body and hydraulic system,
The drill main body includes cylinder, and the cylinder includes fixed part and movable part, and the fixed part is interior along the cylinder
Axially it is provided with frame；
The hydraulic system is located at the radial direction setting in the cylinder and along the cylinder, the hydraulic system include hydraulic pump and
The telescopic shaft being connect with the hydraulic pump, the hydraulic pump are fixedly mounted on said frame；
The movable part is connected to the outside of the fixed part by the telescopic shaft, horizontal can be moved relative to the fixed part
It is dynamic.
2. rotary excavating extruding expanding drilling head as described in claim 1, which is characterized in that the cylinder is cylindrical tube, solid by one
Determine portion and two movable parts are constituted, wherein two movable parts are symmetrically connected to the both sides of the fixed part.
3. rotary excavating extruding expanding drilling head as described in claim 1, which is characterized in that the drill main body further includes being located at the cylinder
The upper plate at top and lower plate positioned at the cylinder body bottom, the lower plate is fixedly connected with the bottom of the fixed part, described
Lower plate is fixed with the pick of multiple cutting soil bodys.
4. rotary excavating extruding expanding drilling head as described in claim 1, which is characterized in that the hydraulic pump is set as four, respectively symmetrically
Ground is fixed on the upper and lower part of the both sides of the frame.
5. a kind of rotary drilling rig, which is characterized in that including：
Claim 1-4 any one of them rotary excavating extruding expanding drilling heads；And
Drilling rod is connect with the rotary excavating extruding expanding drilling head,
Oil pipe and oil return pipe are sent, is connect with the hydraulic system in the rotary excavating extruding expanding drilling head by the drilling rod, passes through institute
State send oil pipe and the oil return pipe described in HYDRAULIC CONTROL SYSTEM send oil and oil return.
6. rotary drilling rig as claimed in claim 5, which is characterized in that the rotary excavating extruding expanding drilling head passes through joint flange disk and institute
State drilling rod connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820091451.4U CN207974768U (en) | 2018-01-19 | 2018-01-19 | Rotary excavating extruding expanding drilling head and rotary drilling rig including it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820091451.4U CN207974768U (en) | 2018-01-19 | 2018-01-19 | Rotary excavating extruding expanding drilling head and rotary drilling rig including it |
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| Publication Number | Publication Date |
|---|---|
| CN207974768U true CN207974768U (en) | 2018-10-16 |
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| CN201820091451.4U Active CN207974768U (en) | 2018-01-19 | 2018-01-19 | Rotary excavating extruding expanding drilling head and rotary drilling rig including it |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108222837A (en) * | 2018-01-19 | 2018-06-29 | 中冶交通建设集团有限公司 | Rotary excavating extruding expanding drilling head, the rotary drilling rig and construction method for including it |
-
2018
- 2018-01-19 CN CN201820091451.4U patent/CN207974768U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108222837A (en) * | 2018-01-19 | 2018-06-29 | 中冶交通建设集团有限公司 | Rotary excavating extruding expanding drilling head, the rotary drilling rig and construction method for including it |
| CN108222837B (en) * | 2018-01-19 | 2024-08-16 | 中冶交通建设集团有限公司 | Rotary drilling extrusion expansion drill bit, rotary drilling rig comprising same and construction method |
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