CN109577856B - Anchoring power head assembly and anchoring power head mechanism - Google Patents
Anchoring power head assembly and anchoring power head mechanism Download PDFInfo
- Publication number
- CN109577856B CN109577856B CN201811503098.7A CN201811503098A CN109577856B CN 109577856 B CN109577856 B CN 109577856B CN 201811503098 A CN201811503098 A CN 201811503098A CN 109577856 B CN109577856 B CN 109577856B
- Authority
- CN
- China
- Prior art keywords
- hole
- power head
- expansion
- anchoring
- dowel bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/003—Machines for drilling anchor holes and setting anchor bolts
Abstract
The invention discloses an anchoring power head assembly and an anchoring power head mechanism, wherein the assembly comprises a power head capable of rotating circumferentially and a drill bit arranged at the lower end of the power head; the expansion dowel bar can axially move, and at least one expansion pin is connected to the lower end of the expansion dowel bar; the power head is provided with a first hole along the axial direction, the drill bit is provided with a second hole along the axial direction, and the first hole and the second hole are communicated to form a guide hole for the expansion dowel bar to axially move; the expansion dowel bar is slidably arranged in the guide hole; at least one third hole that communicates with the second hole is seted up to the side of drill bit, and the third hole sets up for the slope of second hole, expands the one end of tight round pin and the tight dowel bar swing joint that expands, and the other end of the tight round pin that expands is slided and is located in the third hole and can stretch out outside the third hole. The invention can realize two functions of drilling and anchoring, and the anchoring component can not interfere with the drilling and forming, has good anchoring effect, small resistance to anchor removal and reversibility, and achieves the economical efficiency of repeated use.
Description
Technical Field
The invention relates to the technical field of engineering machinery, in particular to an anchoring power head assembly and an anchoring power head mechanism.
Background
At present, the common pile nails are directly nailed into the medium in the mode of fixing objects in construction and equipment, and the anchor is small in anchoring force or insufficient in bearing capacity, can be anchored once and cannot be disassembled although the structure is simple and the operation is convenient, so that the material utilization rate is greatly reduced.
The existing power head for engineering only has a rotary cutting function and mainly drills through torque, but cannot bear axial force; the anchoring mechanism for common engineering usually has only a one-off expansion function and does not have a rotary cutting hole forming function, and in order to improve efficiency, a power head is urgently needed and is mechanically locked by self through self-cutting forming so as to achieve the effect of quick anchoring.
Chinese patent application publication No. CN 108726400 a discloses an anchoring mechanism for a construction vehicle, which is configured to expand and anchor a hole drilled by a power head by sleeving an expansion sleeve with an outer diameter larger than the diameter of a cutting part on a handle section between the power head and the cutting part. However, the outer diameter of the expansion sleeve is larger than the diameter of the drilled hole, so that the power head is hindered from moving forwards in the drilling process, the drilling efficiency is influenced, and the drilling energy consumption is increased; on the other hand, the diameter of the drilled hole can be increased in the process of advancing the follow-up power head, so that the anchoring effect of the expansion sleeve is poor, and the expansion sleeve is easy to loosen. In addition, the expansion sleeve has larger friction with the drill hole, and the resistance of the drill hole and the anchor withdrawal is large.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides an anchoring power head assembly which has good drilling and anchoring effects and can be reused, and also correspondingly provides an anchoring power head mechanism with the assembly.
In order to solve the technical problems, the invention adopts the following technical scheme:
an anchoring power head assembly comprises a power head capable of rotating circumferentially and a drill bit arranged at the lower end of the power head; the expansion dowel bar can axially move, and at least one expansion pin is arranged at the lower part of the expansion dowel bar;
the power head is provided with a first hole along the axial direction, the drill bit is provided with a second hole along the axial direction, and the first hole and the second hole are communicated to form a guide hole for the expansion dowel bar to axially move; the expansion dowel bar is arranged in the guide hole in a sliding manner; at least one third hole that communicates with the second hole is seted up to the side of drill bit, the third hole for the second hole slope sets up, the one end and the tight dowel bar swing joint that expands of tight round pin, the other end smooth the locating of tight round pin that expands in the third hole, can drive in the tight dowel bar axial motion process that expands the tight round pin stretches out outside the third hole or retraction in the third hole.
By above-mentioned structure, the unit head passes through power input and realizes rotatory and feed, realizes then that the drill bit drills into ground, and after the unit head drilling reached the predetermined degree of depth, the tight dowel bar axial motion that expands drives and stretches out along the third hole, extrudes into the pore wall of drilling, is barb form and fixes the drill bit in the underground, reaches the anchor effect.
In a similar way, when removing the anchor, the tight dowel bar axial motion that expands drives and expands in the tight round pin withdrawal third hole of drive, and the anchor hole is withdrawn from this subassembly to the outside mechanism of rethread to the anchor is removed in the realization.
As a further improvement of the above technical solution:
for specifically realizing that the tight dowel bar axial motion in-process that expands drives tight round pin that expands stretch out outside the third hole or during the retraction third hole, the one end of tight round pin that expands with tight dowel bar swing joint expand the round pin and be equipped with the portion of holding with the one end of tight dowel bar swing joint that expands, the lower part of tight dowel bar expand seted up with the complex holding tank of portion of holding, hold the portion put in the holding tank, the confession has in the holding tank the space that the portion of holding verted.
In order to improve the anchoring effect of the assembly, the expansion pin and the third hole are provided with a plurality of holes, and the expansion pin corresponds to the third hole one to one.
In order to improve the anchoring effect of the assembly and prolong the average service life of the expansion pin, the expansion pin is arranged along the circumferential interval of the drill bit.
The third hole is disposed obliquely with respect to an upper portion of the second hole, or the third hole is disposed obliquely with respect to a lower portion of the second hole.
In order to reduce anchoring resistance, the end part of one end of the expansion pin, which is arranged in the third hole in a sliding mode, is an inclined plane with a taper.
The expansion dowel bar can rotate along the circumferential direction so as to ensure that the expansion dowel bar rotates along with the power head without twisting in the drilling process.
As a general inventive concept, the present invention further provides an anchoring power head mechanism, which includes a first driving member, a second driving member and the anchoring power head assembly, wherein the first driving member is disposed at an upper end of the power head and is used for driving the power head to rotate, and the second driving member is disposed at an upper end of the expansion dowel bar and is used for driving the expansion dowel bar to axially move.
As a further improvement of the above technical solution:
for the circumferential direction rotary motion of the expansion dowel steel, the expansion dowel steel is connected with the second driving piece through a universal shaft hinge so as to ensure that the expansion dowel steel rotates along with the power head in the drilling process without twisting.
In order to realize the axial movement of the expansion dowel bar, the second driving piece is a telescopic oil cylinder and can also be a linear electric cylinder or a thread pair and other mechanisms capable of realizing linear movement.
In order to realize the rotary motion of the power head, the first driving piece is a hydraulic motor, and can also be a motor and a speed reducer.
Compared with the prior art, the invention has the advantages that:
the anchoring power head mechanism can realize two functions of drilling and anchoring, the anchoring assembly cannot interfere drilling forming, the anchoring effect is good, the anchoring resistance is small, the anchoring assembly is reversible, and the economical efficiency of repeated use is achieved.
Compared with the anchoring power head disclosed in CN 108726400 a, the anchoring part, i.e. the expansion pin, in the invention can be adjusted to be placed in the third hole through the axial movement of the expansion dowel bar in the drilling process, so that the drilling efficiency is not influenced, and the drilled anchoring hole is not damaged. After the drill hole is formed, the axial movement of the expansion dowel bar drives the expansion pin to extend out along the third hole and extrude into the hole wall of the drill hole, the drill bit is fixed underground in a barb shape, and the anchoring effect is greatly improved.
In addition, after the anchoring construction is completed, the expansion pin can be driven to retract into the third hole by the axial movement of the expansion dowel bar, and the assembly is withdrawn from the anchoring hole through an external mechanism, so that the anchor is withdrawn, and the anchor withdrawing resistance is smaller than that of the anchoring power head disclosed by CN 108726400A.
Drawings
Fig. 1 is a working schematic diagram of an anchoring power head mechanism in a drilling state according to embodiment 1 of the present invention.
Fig. 2 is an operation schematic diagram of the anchoring power head mechanism according to embodiment 1 of the present invention in an anchoring state.
Fig. 3 is a working schematic diagram of the anchoring power head mechanism in the drilling state according to embodiment 2 of the present invention.
Fig. 4 is an operation schematic diagram of the anchoring power head mechanism in the anchoring state according to embodiment 2 of the present invention.
Illustration of the drawings: 1. a telescopic oil cylinder; 2. a universal shaft hinge; 3. a hydraulic motor; 4. a power head; 41. a first hole; 5. a drill bit; 51. a second hole; 52. a third aperture; 6. a tensioning pin; 7. and expanding the dowel bar.
Detailed Description
The invention is further described below with reference to specific preferred embodiments, without thereby limiting the scope of protection of the invention.
Example 1:
as shown in fig. 1 and 2, the anchoring power head mechanism of the present embodiment includes a hydraulic motor 3, a telescopic cylinder 1, and the anchoring power head assembly of the present embodiment.
The anchoring power head assembly comprises a power head 4, a drill bit 5 installed at the lower end of the power head 4, an expansion dowel bar 7 and six expansion pins 6 connected to the lower end of the expansion dowel bar 7.
The hydraulic motor 3 is arranged at the upper end of the power head 4 and used for driving the power head 4 to rotate, and the telescopic oil cylinder 1 is arranged at the upper end of the expansion dowel bar 7 through the universal shaft hinge 2 and used for driving the expansion dowel bar 7 to axially move. Due to the action of the universal shaft hinge 2, the expansion dowel bar 7 can rotate along with the power head 4 without twisting.
The power head 4 is provided with a first hole 41 along the axial direction, the drill bit 5 is provided with a second hole 51 along the axial direction, and the first hole 41 and the second hole 51 are communicated to form a guide hole for the expansion dowel bar 7 to axially move; the expansion dowel bar 7 is arranged in the guide hole in a sliding manner; six third holes 52 communicated with the second hole 51 are opened on the side surface of the drill bit 5, the six third holes 52 are uniformly distributed at intervals along the circumferential direction of the drill bit 5, and the third holes 52 are arranged obliquely upward relative to the second hole 51.
Six holding tanks 71 with 6 one-to-one of tight round pin of expanding are seted up to tight dowel steel 7 expands, and the one end that tight round pin 6 and tight dowel steel 7 of expanding correspond is equipped with the portion of holding 61, and the portion of holding 61 is arranged in holding tank 71, has the space that supplies the portion of holding 61 to vert in the holding tank 71. The other end of the expansion pin 6 is slidably arranged in the corresponding third hole 52, and the expansion pin 6 can be driven to extend out of the third hole 52 or retract into the third hole 52 by the up-and-down action of the expansion dowel 7. Wherein, the end of one end of the expansion pin 6 which is arranged in the third hole 52 in a sliding way is a bevel with taper.
The working process of the anchoring power head mechanism of the embodiment is as follows:
the power head 4 is driven by the hydraulic motor 3 to rotate, the drill bit 5 is installed at the lower end of the power head 4, and the drill bit 5 is driven to drill into the ground by the power of the hydraulic motor 3 and the feeding of external force.
After the drill hole of the power head 4 reaches the preset depth, the telescopic oil cylinder 1 contracts, force is transmitted to the expansion dowel bar 7 through the universal hinge shaft 2, the 6 expansion pins 6 move outside the hole 52 in the hole, and the drill bit 5 is drilled into the ground, so that the expansion pins 6 extend out of the hole wall of the drill hole and continue to be extruded into the ground, the expansion pins 6 are barbed to fix the cutting drill bit 5 underground, and the contact surfaces of the tail ends of the expansion pins 6 and the hole wall can be made into sawtooth sections, so that the anchoring effect is achieved.
In a similar way, when removing the anchor, flexible hydro-cylinder 1 stretches out, passes to the tight dowel steel 7 that expands through universal hinge 2 to power, and 6 tight round pins that expand move towards the 52 downthehole removals in third hole 52, and the tight round pin 6 that expands like this retracts the 52 downthehole toward the third hole completely, and forward rotation unit head 4 again slowly removes the hole through external mechanism, reaches the effect of removing the anchor.
Example 2:
as shown in fig. 3 and 4, the anchoring power head mechanism of the present embodiment is substantially the same as that of embodiment 1, and its differences are only: the third hole 52 is provided obliquely downward with respect to the second hole 51.
The operation process of the anchoring power head mechanism of this embodiment is the same as that of embodiment 1, and is not described herein again.
The above description is only for the preferred embodiment of the present application and should not be taken as limiting the present application in any way, and although the present application has been disclosed in the preferred embodiment, it is not intended to limit the present application, and those skilled in the art should understand that they can make various changes and modifications within the technical scope of the present application without departing from the scope of the present application, and therefore all the changes and modifications can be made within the technical scope of the present application.
Claims (8)
1. An anchoring power head assembly comprises a power head (4) capable of rotating circumferentially and a drill bit (5) arranged at the lower end of the power head (4); the device is characterized by also comprising an expansion dowel bar (7) capable of axially moving and at least one expansion pin (6) arranged at the lower part of the expansion dowel bar (7);
the power head (4) is provided with a first hole (41) along the axial direction, the drill bit (5) is provided with a second hole (51) along the axial direction, and the first hole (41) and the second hole (51) are communicated to form a guide hole for the expansion dowel bar (7) to axially move; the expansion dowel bar (7) is arranged in the guide hole in a sliding manner; the side surface of the drill bit (5) is provided with at least one third hole (52) communicated with the second hole (51), the third hole (52) is obliquely arranged relative to the second hole (51), one end of the expansion pin (6) is movably connected with the expansion dowel bar (7), the other end of the expansion pin (6) is slidably arranged in the third hole (52), and the expansion dowel bar (7) can drive the expansion pin (6) to extend out of the third hole (52) or retract into the third hole (52) in the axial movement process;
an accommodating part (61) is arranged at one end of the expansion pin (6) movably connected with the expansion dowel bar (7), an accommodating groove (71) corresponding to the accommodating part (61) is formed in the lower part of the expansion dowel bar (7), the accommodating part (61) is arranged in the accommodating groove (71), and a space for the accommodating part (61) to tilt is formed in the accommodating groove (71);
the expansion dowel bar (7) can rotate around the axis line thereof.
2. Anchoring power head assembly according to claim 1, characterized in that the expansion pin (6) and the third hole (52) are each provided in plurality, the expansion pin (6) and the third hole (52) corresponding one to one.
3. Anchoring power head assembly according to claim 2, characterized in that a plurality of expansion pins (6) are provided at intervals along the circumference of the drill bit (5).
4. Anchoring power head assembly according to any of claims 1-3, characterized in that the third bore (52) is arranged obliquely in relation to the upper part of the second bore (51) or that the third bore (52) is arranged obliquely in relation to the lower part of the second bore (51).
5. An anchoring power head mechanism, characterized by comprising a first driving member, a second driving member and an anchoring power head assembly according to any one of claims 1 to 4, wherein the first driving member is arranged at the upper end of the power head (4) and used for driving the power head (4) to rotate, and the second driving member is arranged at the upper end of the expansion dowel (7) and used for driving the expansion dowel (7) to axially move.
6. Anchoring head mechanism according to claim 5, characterized in that the expansion dowel (7) is connected to the second drive member by means of a cardan shaft joint (2).
7. The anchoring head mechanism according to claim 5 or 6, wherein the second drive member is a telescopic cylinder (1).
8. The anchoring head mechanism according to claim 5 or 6, characterized in that the first drive member is a hydraulic motor (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811503098.7A CN109577856B (en) | 2018-12-10 | 2018-12-10 | Anchoring power head assembly and anchoring power head mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811503098.7A CN109577856B (en) | 2018-12-10 | 2018-12-10 | Anchoring power head assembly and anchoring power head mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109577856A CN109577856A (en) | 2019-04-05 |
| CN109577856B true CN109577856B (en) | 2020-08-07 |
Family
ID=65929339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811503098.7A Active CN109577856B (en) | 2018-12-10 | 2018-12-10 | Anchoring power head assembly and anchoring power head mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109577856B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2108660U (en) * | 1991-01-30 | 1992-07-01 | 马劲巡 | Inertia anchor block for car |
| CN202596760U (en) * | 2012-06-07 | 2012-12-12 | 中铁西南科学研究院有限公司 | Multi-stage sectioned grouting-free self-anchoring ratchet type anchor rod |
| CN206815407U (en) * | 2017-06-22 | 2017-12-29 | 青岛海川建设集团有限公司 | A kind of anti-corrosion type mud geology steel sleeve pore-forming anti-float anchor rod |
| CN107701098A (en) * | 2017-09-07 | 2018-02-16 | 浙江水利水电学院 | Sand foundation bored concrete pile drilling pretreatment convolution drilling equipment and its construction method |
| CN108086334A (en) * | 2017-12-13 | 2018-05-29 | 大连交通大学 | A kind of recyclable quick prestress anchorage cable and its construction method |
| CN207749519U (en) * | 2017-12-28 | 2018-08-21 | 周泽楷 | Formula of taking root anchors dowel pin |
| CN108726400A (en) * | 2018-08-13 | 2018-11-02 | 山河智能装备股份有限公司 | A kind of automobile-used anchoring mechanism of engineering |
-
2018
- 2018-12-10 CN CN201811503098.7A patent/CN109577856B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2108660U (en) * | 1991-01-30 | 1992-07-01 | 马劲巡 | Inertia anchor block for car |
| CN202596760U (en) * | 2012-06-07 | 2012-12-12 | 中铁西南科学研究院有限公司 | Multi-stage sectioned grouting-free self-anchoring ratchet type anchor rod |
| CN206815407U (en) * | 2017-06-22 | 2017-12-29 | 青岛海川建设集团有限公司 | A kind of anti-corrosion type mud geology steel sleeve pore-forming anti-float anchor rod |
| CN107701098A (en) * | 2017-09-07 | 2018-02-16 | 浙江水利水电学院 | Sand foundation bored concrete pile drilling pretreatment convolution drilling equipment and its construction method |
| CN108086334A (en) * | 2017-12-13 | 2018-05-29 | 大连交通大学 | A kind of recyclable quick prestress anchorage cable and its construction method |
| CN207749519U (en) * | 2017-12-28 | 2018-08-21 | 周泽楷 | Formula of taking root anchors dowel pin |
| CN108726400A (en) * | 2018-08-13 | 2018-11-02 | 山河智能装备股份有限公司 | A kind of automobile-used anchoring mechanism of engineering |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109577856A (en) | 2019-04-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10633927B2 (en) | Internal reamer for anchor shaft hole for mining | |
| US3973409A (en) | Apparatus for establishing an anchor | |
| CN105888709B (en) | A kind of Self-propelled grouting anchoring-bolt | |
| CN109681123B (en) | Diameter-adjustable drill bit and sectional reaming method | |
| CN108756757B (en) | Liquid injection type mining drill bit reamer | |
| CN111075366B (en) | Device and method for post-centralizing drill rod of tunnel drilling rig and automatically loading and unloading water | |
| CN109577856B (en) | Anchoring power head assembly and anchoring power head mechanism | |
| CN107401375B (en) | Directional drilling machine capable of detecting installation condition of drill rod and drilling method | |
| CN103362440A (en) | Drill jumbo capable of cutting annular groove in rock mass of driving working face | |
| CN116357332A (en) | Multilayer liftable conical forward and reverse drilling equipment and construction method | |
| CN214787174U (en) | Crawler-type engineering drilling machine | |
| CN213016363U (en) | Novel power head for pipe jacking tunneling | |
| KR102082128B1 (en) | Boring apparatus with multi core-drill and method for securing free surface usinf the same | |
| PT1488071E (en) | Method and device for directional down-hole drilling | |
| CN212985114U (en) | Pretreatment drilling structure | |
| CN111425145A (en) | Drill bit device for pipe curtain construction | |
| CN218844334U (en) | Drilling, grouting and anchoring integrated anchor rod | |
| CN220267627U (en) | Drill bit of automatic rod connecting mechanism of drill jumbo | |
| EP3277914B1 (en) | System, method, core drill bit and hand held core drilling machine for hole drilling in an object | |
| CN219734720U (en) | Drilling pump for oilfield drilling | |
| CN215889896U (en) | Power mechanism of raise boring machine | |
| CN117328917A (en) | Multi-working condition one-step type anchor rod with built-in anchoring agent | |
| CN218624103U (en) | Clamping mechanism for gallery drilling machine | |
| CN219887978U (en) | Hole-expanding screw drill bit structure | |
| CN210799009U (en) | Self-drilling anchor rod wedge-expanding lock head |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220825 Address after: 410100 phase I of Shanhe industrial city, Xingsha industrial base, east of Changjie North Road and north of liangtang East Road, Changsha Economic and Technological Development Zone, Hunan Province Patentee after: SHANHE INTELLIGENT SPECIAL EQUIPMENT CO.,LTD. Patentee after: Sunward Intelligent Equipment Co.,Ltd. Address before: 410100 Shanhe intelligent industrial park, No.16 lixiangzhong Road, Xingsha Economic and Technological Development Zone, Changsha City, Hunan Province Patentee before: Sunward Intelligent Equipment Co.,Ltd. Patentee before: SHANHE INTELLIGENT SPECIAL EQUIPMENT CO.,LTD. |