CN207553978U - It is a kind of to revolve the drill bit device for expanding radius and alterable height - Google Patents
It is a kind of to revolve the drill bit device for expanding radius and alterable height Download PDFInfo
- Publication number
- CN207553978U CN207553978U CN201721651937.0U CN201721651937U CN207553978U CN 207553978 U CN207553978 U CN 207553978U CN 201721651937 U CN201721651937 U CN 201721651937U CN 207553978 U CN207553978 U CN 207553978U
- Authority
- CN
- China
- Prior art keywords
- auger spindle
- soil body
- support plate
- cutting member
- drill bit
- 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.)
- Expired - Fee Related
Links
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses a kind of drill bit devices for revolving expansion radius and alterable height, include the drill boom of auger spindle, soil body cutting member and connection auger spindle and soil body cutting member；Soil body cutting member includes support plate and the blade in support plate, and soil body cutting member is circumferentially provided with multiple around auger spindle；Drill boom is set between support plate and auger spindle, and support plate band cutting blade is radially moved back and forth along auger spindle.The utility model device can be according to the complicated flexible tip arrangement support plate of soil layer situation on auger spindle position, without need for the drilling more bit change of piles with different diameter, and then influence construction efficiency and project progress；The soil body cutting member of the utility model is circumferentially evenly arranged with multiple around auger spindle so that cut soil it is efficient, pore-forming effect is good, and support plate uniform force is good, and be not susceptible to force bearing disk landslide or soil block fall cause force bearing disk lose bearing capacity the problems such as.
Description
Technical field
The utility model belongs to branch pile foundation construction technical field, and in particular to a kind of revolve expands radius and alterable height
Drill bit device.
Background technology
Support disk pile is to increase setting force bearing disk on the basis of former common filling pile or arrange branch to form.Support disk pile have with
Lower advantage：First, significant economic benefit, in the case where providing equal bearing capacity, support disk pile can be big than traditional equal-diameter pile
It is big to save material.2nd, suitable for the soil layer of a variety of situations.Disk and branch can be neatly arranged according to complicated soil layer situation
Position is long so as to reduce a diameter, stake.3rd, caused solum settlement deformation is smaller, and is capable of providing the bottom bearing of bigger.4th,
The work progress of support disk pile branch will not generate excessive noise compares isodiametric bored concrete pile with vibration will not increase to environment
Caused by pollution.
Therefore, it greatly develops support disk pile technology and current superstructure rapid development is met for building and traffic engineering industry
Requirements at the higher level are proposed for basic foundation and save material, reduce project cost, social economy's fast development is promoted to have very
Big meaning.At present, in branch pile foundation construction to there are many expanding methods of stake holes, according to the difference of construction technology, China
Predominantly two kinds of " squeezed " and " rotation is expanded ", although squeezed into disk method comparative maturity, and being put into effect in many provinces and cities and industry
Associated construction and design discipline, but traditional squeezed method has the following disadvantages：
First, it is squeezed that there is the problems such as molding is lack of standardization, size is inaccurate, fullness coefficient is big into disk.
2nd, be molded when, under many geological conditions, soil layer be not by it is compacted but it is destroyed after fall, occur landslide leads
Cause the problems such as coelosis is irregular, and force bearing disk discontinuity causes force bearing disk to lose bearing capacity.
3rd, drill bit is needed replacing for the drilling of piles with different diameter, disk can not be neatly arranged when encountering soil layer situation complexity
With the position of branch.
4th, for specific bit, the supporting disk of single shape and height is can be only formed, and can not be according to requirement of engineering and reality
Border geology landform situation is adjusted.
Larger limitation is there is in the application of engineering in practice in this way, therefore greatly develop rotation expansion into disk technology just to have
Very important realistic meaning.
Invention content
In order to solve the above-mentioned technical problem, the purpose of this utility model is to provide a kind of collection reaming and integrated rotation of fetching earth
Turn drilling and forming hole device, solve size caused by damage of soil body falls or even collapses in existing apparatus squeezing process and molding is not advised
The problem of model.
To achieve these goals, the utility model adopts the following technical solution is achieved：
It is a kind of to revolve the drill bit device for expanding radius and alterable height, including auger spindle, soil body cutting member and drill boom；The soil body
Cutting member is circumferentially provided with multiple around auger spindle；The drill boom is set between support plate and auger spindle, and the drill boom band is broken ground
Body cutting member is radially moved back and forth along auger spindle.
The auger spindle is internally provided with hydraulic control system, and auger spindle is equipped with the hydraulic valve connected with hydraulic control system
Door；The drill boom is internally provided with the cavity of closing, and the drill boom cavity is connect with the hydraulic control system inside auger spindle to be made
Obtaining soil body cutting member can move relative to drill boom.
Connecting rod piston is equipped between the drill boom and soil body cutting member, one end of the connecting rod piston is set on drill boom sky
Drill boom is divided into two independent the first cavitys and the second cavity by intracavitary, and the other end of connecting rod piston is connect with soil body cutting member；
First cavity and the second cavity is connected respectively by tube body with hydraulic control system.
The rod end of the connecting rod piston is equipped with flange, and the flange is fixed on soil body cutting member.
The auger spindle is the cylindrical housings of closing, and the hydraulic control system is fixed in housing.
The auger spindle bottom is equipped with slag-drip opening；It is equipped with to connect auger spindle top and drilling rod bottom at the top of the auger spindle
Ring flange.
The soil body cutting member includes support plate and the blade in support plate.
The one side that the support plate is connected with blade is arc, after multiple support plates circumferentially distributed along auger spindle are shunk
Exterior contour for circle.
The arcwall face of the support plate is equipped with multiple grooves for concaving towards support plate, the groove and blade clearance cloth
It puts.
Multiple soil body cutting members are axially provided with along the auger spindle.
Compared with prior art, the beneficial effects of the utility model are：
The utility model device can be according to the complicated flexible tip arrangement support plate of soil layer situation on auger spindle position
It puts, without need for the drilling more bit change of piles with different diameter, and then influences construction efficiency and project progress；
Hydraulic control system is equipped in the utility model auger spindle, can individually control each soil body cutting member along auger spindle diameter
To collapsing length, and then control blade support plate shape, height and the radius of gyration, meet various working requirement；
The soil body cutting member of the utility model is circumferentially evenly arranged with multiple around auger spindle so that cuts native efficient, pore-forming
Effect is good, and support plate uniform force is good, and be not susceptible to force bearing disk landslide or soil block fall cause force bearing disk lose bearing capacity
The problems such as.
Description of the drawings
Fig. 1 is the overall structure front view of the utility model.
Fig. 2 is the overall structure vertical view of the utility model.
Fig. 3 is the connection detail drawing of blade and drill boom.
Fig. 4 is the assembly dia progressive formation figure of the utility model, and (a) original state, (b) half retracted position, (c) stretches entirely
Contracting state.
Each label is expressed as in figure：1- auger spindles, 2- soil body cutting members, 3- drill booms, 4- hydraulic control systems, 5- hydraulic valves
Door, 6- connecting rod pistons, 7- tube bodies；
11- slag-drip openings, 12- ring flanges；
21- support plates, 22- blades；211- grooves；
The first cavitys of 31-, the second cavitys of 32-；61- flanges.
Explanation is further explained in detail to the particular content of the utility model below in conjunction with the drawings and specific embodiments.
Specific embodiment
Be given below specific embodiment of the present utility model, it should be noted that the utility model be not limited to it is following
Specific embodiment, all equivalents done on the basis of technical scheme each fall within the scope of protection of the utility model.
As depicted in figs. 1 and 2, the utility model discloses a kind of revolve to expand the drill bit device of radius and alterable height, including
Auger spindle 1, soil body cutting member 2 and drill boom 3；Soil body cutting member 2 is circumferentially provided with multiple around auger spindle 1；Drill boom 3 is set on support plate
Between 21 and auger spindle 1, generally, drill boom is fixed in by welding machine or the fixed mode of bolt on auger spindle outer wall.The drill boom soil body is cut
Cutter member 2 is radially moved back and forth along auger spindle 1.Generally, blade 22 is that a kind of intensity is high, good toughness, and corrosion-resistant and service life is long
Material.It during drilling, is directly contacted with the soil body or sillar, and extruding cutting is carried out to soil body rubble, rotation expands stake
Body supports the space of disk shape.Its surface has fold raised on the direction perpendicular with auger spindle direction of rotation, and soil cutting effect is bright
Aobvious, it is efficient to cut soil, saves the time.It is detachably installed between support plate 21 and drill boom, convenience in transport according to engineering is practical with adjusting
Whole cutterhead size.The soil body cutting member of the utility model is circumferentially evenly arranged with multiple around auger spindle so that cut soil it is efficient, into
Hole effect is good, and support plate uniform force is good, and be not susceptible to force bearing disk landslide or soil block fall cause force bearing disk lose carrying
The problems such as power；The utility model device can be according to the complicated flexible tip arrangement support plate of soil layer situation on auger spindle position
It puts, without need for the drilling more bit change of piles with different diameter,
Further, auger spindle 1 is internally provided with hydraulic control system 4, and auger spindle is equipped with the liquid connected with hydraulic control system 4
Pressure valve 5；Drill boom 3 is internally provided with the cavity of closing, and drill boom cavity is connect with the hydraulic control system 4 inside auger spindle so that the soil body
Cutting member 2 can be moved relative to drill boom 3.Hydraulic control system 4 is as the core equipment inside auger spindle 1, and stretching for drill bit, it is dynamic to provide
Power adjusts by sensor and hydraulic pump, the hydraulic oil in hydraulic cylinder is pressed into 3 inner sealing of drill boom by hydraulic valve 5
Cavity；The collapsing length along auger spindle radial direction of each soil body cutting member can be individually controlled, and then controls the shape of blade support plate
Shape, height and the radius of gyration meet various working requirement.
Further, connecting rod piston 6 is equipped between drill boom 3 and soil body cutting member 2, one end of connecting rod piston 6 is set on drill boom
Drill boom is divided into two independent the first cavitys 31 and the second cavity 32 in 3 cavitys, the other end and the soil body of connecting rod piston 6 are cut
Cutter member connects；First cavity 31 and the second cavity 32 are connected respectively by tube body 7 with hydraulic control system 4.Connecting rod piston 6 exists
The pressure effect of hydraulic oil is lower in first cavity 31 and the second cavity 32 moves back and forth, and then the rotation for changing support plate cutter is expanded
Radius.The body of rod surface of connecting rod piston 6 improves the wearability on bar surface using rolling and processing, to solid when reducing piston motion
Determine the frictionally damage of 3 inner surface of drill boom.Further, in one layer of exposed 7 outer wrapping of tube body outside drill boom 3 protection iron plate,
With the position of fixer pressure pipe, generally make to be fixed by bolts to 3 surface of drill boom, for tube body 7 and external soil layer is isolated, prevent
Boring mud and external soil layer are tangled with tube body 7 during rotary drilling, to ensure that brake fluid system is working properly.
Further, the rod end of connecting rod piston 6 is equipped with flange 61, and flange 61 is fixed on soil body cutting member 2.By adding
Flange enhances connective stability to increase the contact area of connecting rod piston 6 and soil body cutting member 2；Specifically, flange passes through bolt
The mode of connection or welding is fixed on the supporting plate, and during using being bolted, gasket is set in the junction of nut and flange,
The gap between nut and flange can be reduced, ensure that being completely embedded between the support plate of connecting rod piston and soil body cutting member
Property.
Auger spindle 1 is the cylindrical housings of closing, and hydraulic control system 4 is fixed in housing.1 bottom of auger spindle is equipped with deslagging
Mouth 11；The ring flange 12 for connecting auger spindle top and drilling rod bottom is equipped at the top of auger spindle.Hydraulic control system 4 passes through high-strength spiral shell
Bolt is fixed on the top of auger spindle 1, prevents from damaging inside when hydraulic system being caused acutely to be shaken when drill bit cuts soil rotation with drilling rod
Work original paper, and then can not play hydraulic power effect.The brill that the slag-drip opening 11 of auger spindle bottom will generate during rotary drilling
The discharge in time such as slag and soil bits rubble, in order to avoid siltation blocks, hinders drill bit normally to cut native operation, slag-drip opening 11 and auger spindle inner cavity
It is independent.
Specifically, soil body cutting member 2 includes support plate 21 and the blade 22 in support plate.
Further, support plate 21 is connected with the one side of blade 22 as arc, the multiple supports circumferentially distributed along auger spindle 1
Exterior contour after plate 21 is shunk is circle.The side that support plate 21 is contacted with the soil body is set as arcuate structure, facilitates cutting,
It is with obvious effects to cut figure.
Further, the arcwall face of support plate 21 is equipped with multiple grooves 211 for concaving towards support plate 21, groove 211 and knife
22 arranged for interval of piece.The existing tooth-like recesses between blade and blade, with the stretching of piston rod, cutterhead in drilling process
Groove 211 can be sticked into partly in the soil body, the shearing force that can generate bigger when power carries out rotary-cut to the soil body is provided in drilling machine, and right
Original soil body generates the release effect of bigger, and the soil body is promoted quickly to fall.
Illustrate that the process into disk is expanded in the drill bit rotation of the utility model device herein：
After pile body pore-forming, drill bit is sunk to designed force bearing disk position using drilling machine, starts drilling machine work
System, under the adjusting of hydraulic control system 4, the oil in hydraulic cylinder is pressed into drill boom in specified hydraulic valve 5 by tube body 7
In second cavity 32, connecting rod piston 6 is pushed to move out, and then piston rod stretching is caused to reach required diameter, drilling machine starts
Operating so that soil body cutting member 2 in the case where the drive of fluid pressure type auger spindle 1 is expanded in rotation rotary cutting soil into disk.
After load disc molding, under the adjusting of hydraulic control system 4, the oil in hydraulic cylinder passes through in specified hydraulic valve
Tube body 7 is pressed into the first cavity 31 of drill boom, connecting rod piston 6 is pushed inwardly to move, and then piston rod is caused to withdraw.At this point, i.e.
Primary rotation is completed to expand into disk.It repeats the above process, completes reaming.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the disclosure to it is various can
The combination of energy no longer separately illustrates.
Claims (10)
1. a kind of revolve the drill bit device for expanding radius and alterable height, which is characterized in that including auger spindle (1), soil body cutting member (2) and
Drill boom (3)；The soil body cutting member (2) is circumferentially provided with multiple around auger spindle (1)；The drill boom (3) is cut set on the soil body
Between cutter member (2) and auger spindle (1), the drill boom (3) drives soil body cutting member (2) radially to be moved back and forth along auger spindle (1).
2. the drill bit device of radius and alterable height is expanded in rotation as described in claim 1, which is characterized in that the auger spindle (1)
Hydraulic control system (4) is internally provided with, auger spindle is equipped with the hydraulic valve (5) connected with hydraulic control system (4)；The brill
Arm (3) is internally provided with the cavity of closing, and the drill boom cavity is connect with the hydraulic control system (4) inside auger spindle so that the soil body
Cutting member (2) is mobile relative to drill boom (3).
3. the drill bit device of radius and alterable height is expanded in rotation as claimed in claim 2, which is characterized in that the drill boom (3)
Connecting rod piston (6) is equipped between soil body cutting member (2), one end of the connecting rod piston (6) is set in drill boom (3) cavity will
Drill boom is divided into two independent the first cavitys (31) and the second cavity (32), the other end and the support plate (21) of connecting rod piston (6)
Connection；First cavity (31) and the second cavity (32) are connected respectively by tube body (7) with hydraulic control system (4).
4. the drill bit device of radius and alterable height is expanded in rotation as claimed in claim 3, which is characterized in that the connecting rod piston
(6) rod end is equipped with flange (61), and the flange (61) is fixed on soil body cutting member (2).
5. the drill bit device of radius and alterable height is expanded in rotation as claimed in claim 2, which is characterized in that the auger spindle (1)
For the cylindrical housings of closing, the hydraulic control system (4) is fixed in housing.
6. the drill bit device of radius and alterable height is expanded in the rotation as described in claim 1 or 5 is any, which is characterized in that described
Auger spindle (1) bottom is equipped with slag-drip opening (11)；The flange for connecting auger spindle top and drilling rod bottom is equipped at the top of the auger spindle
Disk (12).
7. the drill bit device of radius and alterable height is expanded in rotation as claimed in claim 1 or 2, which is characterized in that the soil body
Blade (22) of the cutting member (2) including support plate (21) and in support plate.
8. the drill bit device of radius and alterable height is expanded in rotation as claimed in claim 7, which is characterized in that the support plate
(21) one side for being connected with blade (22) is arc, outer after multiple support plates (21) contraction circumferentially distributed along auger spindle (1)
Contouring is circle.
9. the drill bit device of radius and alterable height is expanded in rotation as claimed in claim 8, which is characterized in that the support plate
(21) arcwall face is equipped with multiple grooves (211) for concaving towards support plate (21), and the groove (211) is spaced with blade (22)
Arrangement.
10. the drill bit device of radius and alterable height is expanded in rotation as described in claim 1, which is characterized in that along the auger spindle
(1) it is axial to be provided with multiple soil body cutting members (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721651937.0U CN207553978U (en) | 2017-12-01 | 2017-12-01 | It is a kind of to revolve the drill bit device for expanding radius and alterable height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721651937.0U CN207553978U (en) | 2017-12-01 | 2017-12-01 | It is a kind of to revolve the drill bit device for expanding radius and alterable height |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207553978U true CN207553978U (en) | 2018-06-29 |
Family
ID=62678873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721651937.0U Expired - Fee Related CN207553978U (en) | 2017-12-01 | 2017-12-01 | It is a kind of to revolve the drill bit device for expanding radius and alterable height |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207553978U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538212A (en) * | 2018-12-06 | 2019-03-29 | 中建地下空间有限公司 | A kind of rotary reducing envelope forming tunneling boring drilling tool |
| CN112431598A (en) * | 2021-01-28 | 2021-03-02 | 中交四公局第一工程有限公司 | Automatic cutting device and method for inside of surrounding rock excavated by expanding small section of built tunnel |
-
2017
- 2017-12-01 CN CN201721651937.0U patent/CN207553978U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109538212A (en) * | 2018-12-06 | 2019-03-29 | 中建地下空间有限公司 | A kind of rotary reducing envelope forming tunneling boring drilling tool |
| CN112431598A (en) * | 2021-01-28 | 2021-03-02 | 中交四公局第一工程有限公司 | Automatic cutting device and method for inside of surrounding rock excavated by expanding small section of built tunnel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104763328B (en) | A kind of hydraulic pressure reaming circulation drilling machine and its reaming pile constructing process | |
| CN205100880U (en) | Crowded counterboring machine is dug soon to horizontal application of force formula | |
| CN102678040A (en) | Drilling device and method for baseplate in coal mine roadway | |
| CN207553978U (en) | It is a kind of to revolve the drill bit device for expanding radius and alterable height | |
| CN205117214U (en) | Rotary digging, jostling and enlarging drill | |
| CN215211016U (en) | Anchor rod drilling bottom-expanding grouting complete device | |
| CN104763324A (en) | Large-diameter hole forming construction equipment for core drilling rock entering and construction method thereof | |
| CN213743227U (en) | One-step forming excavation drill bit for shallow layer square foundation pit | |
| CN204530407U (en) | Device is dug in a kind of milling | |
| CN109914396A (en) | A kind of borehole filling pile cage of reinforcement tectonic sieving and production construction method | |
| CN109555523A (en) | A kind of low clearance shaft excavation machine | |
| CN212958633U (en) | Green's shield tunnel entry driving machine cutter device | |
| CN105673026A (en) | Automatic soil pressure compensating device for adjusting quasi-rectangular shield soil pressure | |
| CN101086160B (en) | Rotary-digging stillage truck | |
| CN204511291U (en) | A kind ofly get the major diameter drilling construction equipment that core type enters rock | |
| CN205100881U (en) | Side direction is smashed formula and is dug crowded counterboring machine soon | |
| CN105569572A (en) | Square drill bit | |
| CN202017464U (en) | Long spiral squeezed branch pile drilling tool | |
| CN209838406U (en) | Well wall pipe | |
| CN108222837A (en) | Rotary excavating extruding expanding drilling head, the rotary drilling rig and construction method for including it | |
| CN210003276U (en) | swing type variable diameter envelope forming full-section drilling tool | |
| CN210714468U (en) | Large drilling tool system with variable diameter | |
| CN210152695U (en) | Novel anchor rod shell expansion head and anchor rod adopting same | |
| CN207974768U (en) | Rotary excavating extruding expanding drilling head and rotary drilling rig including it | |
| CN205677629U (en) | A kind of direct-connected transmission belly is unearthed formula screw conveyor machine |
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: 20180629 Termination date: 20191201 |