CN218509415U - Full-hydraulic bottom-expanding drill bit - Google Patents
Full-hydraulic bottom-expanding drill bit Download PDFInfo
- Publication number
- CN218509415U CN218509415U CN202222155370.5U CN202222155370U CN218509415U CN 218509415 U CN218509415 U CN 218509415U CN 202222155370 U CN202222155370 U CN 202222155370U CN 218509415 U CN218509415 U CN 218509415U
- Authority
- CN
- China
- Prior art keywords
- oil cylinder
- hydraulic
- drill bit
- rod
- main transmission
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model discloses a full hydraulic bottom-expanding drill bit, which belongs to the technical field of foundation engineering construction, and comprises a connecting flange, wherein the upper part of the connecting flange is connected with an equipment drill rod, the transmission drives the rotary torque and the drilling pressure of the hydraulic bottom-expanding drill bit, the bottom of the connecting flange is fixed at the top end of a main transmission rod, and one end of the main transmission rod is fixedly provided with a cylinder fixing seat; the connecting flange, the main transmission rod, the oil cylinder fixing seat, the hydraulic oil cylinder and other components are arranged and matched for use, so that the real-time monitoring of the reaming process and the random control of the reaming size in the corresponding stroke of a single drill bit can be realized, namely the action range of the single drill bit is wider; the hole enlarging angle is fixed, so that the hole enlarging size can completely meet the condition that the hole enlarging size is completely the same as the preset hole enlarging size, the deviation is extremely small, and the method has great significance for the subsequent construction convenience and the pile body bearing capacity reaching the design value.
Description
Technical Field
The utility model relates to a foundation engineering construction technical field specifically is a full-hydraulic bellout drill bit.
Background
The bottom-expanding drill bit is used for constructing a bottom-expanding pile in rotary drilling and generally comprises a bottom-expanding wing, a pressurizing frame, a connecting rod, a base, a pin shaft and the like. When using according to current hydraulic pressure bellout drill bit, have some technical problem and need solve: application No.: 202110593355.6 (a hydraulic underreaming bit), however, the old underreaming cannot be preset, real-time monitoring during its underreaming process is not possible, and a single bit can only be used to individually enlarge one gauge of bore diameter.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an all-hydraulic bellout drill bit to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: the full-hydraulic bottom-expanding drill bit comprises a connecting flange, wherein the bottom of the connecting flange is fixed to the top end of a main transmission rod, one end of the main transmission rod is fixedly provided with a cylinder fixing seat, a hydraulic cylinder with a sensor is fixedly arranged on the cylinder fixing seat, the hydraulic cylinder is connected with an external hydraulic source through a hydraulic pipeline, and a centering cylinder is arranged outside the cylinder fixing seat and the hydraulic cylinder.
Preferably, a movable block is arranged in the middle of the main transmission rod, the movable end of the hydraulic oil cylinder is connected with the movable block, and three or more groups of connecting rods are arranged on the movable block.
Preferably, the other end of the connecting rod is movably connected with the corresponding reaming wing, and the middle position of the connecting rod is connected through the corresponding retaining rod.
Preferably, the lower extreme fixed mounting of main transfer line has the base, be equipped with the otic placode that at least three groups are used for the joint support pole on the base.
Preferably, a support rod is installed inside the ear plate, and the other end of the support rod is connected to the holding rod.
Preferably, the upper end and the lower end of the inner side surface of the reaming wing are provided with positioning plates.
Compared with the prior art, the beneficial effects of the utility model are that:
the connecting flange, the main transmission rod, the oil cylinder fixing seat, the hydraulic oil cylinder and other components are arranged and matched for use, so that the real-time monitoring of the reaming process can be realized, the reaming size can be randomly controlled within the corresponding stroke of a single drill bit, and the action range of the single drill bit is wider; the reaming angle is fixed, so that the reaming size can completely accord with the fact that the size after reaming is completely the same as the pre-designed reaming size, the deviation is extremely small, and the method has great significance for subsequent construction convenience and the design value of the bearing capacity of the pile body.
Drawings
FIG. 1 is a schematic view of a full hydraulic bottom-expanding drill bit structure of the present invention;
fig. 2 is the utility model discloses the inner structure schematic diagram is opened to the reaming wing.
In the figure: 1. a connecting flange; 2. a main drive rod; 3. an oil cylinder fixing seat; 4. a hydraulic cylinder; 5. a righting cylinder; 6. a movable block; 7. a connecting rod; 8. reaming wings; 9. a holding rod; 10. a support bar; 11. a base; 12. and (7) positioning the plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a full hydraulic bottom-expanding drill bit comprises a connecting flange 1, wherein the connecting flange is connected with an external drill rod, so that active torque is conveniently provided; the bottom of the connecting flange 1 is fixed at the top end of the main transmission rod 2, one end of the main transmission rod 2 is fixedly provided with an oil cylinder fixing seat 3, and the oil cylinder fixing seat 3 is arranged, so that the hydraulic oil cylinder 4 on the connecting flange can be conveniently and fixedly installed and placed; the hydraulic oil cylinder 4 with a sensor is fixedly arranged on the oil cylinder fixing seat 3, and the hydraulic oil cylinder is arranged, so that the rotary working of the drill bit is conveniently driven by the hydraulic oil cylinder; a sensor is arranged in the hydraulic oil cylinder 4, the sensor can transmit the current state of the sensor to an external control console, the current drill bit state is displayed on the control console, and the drill bit can be controlled; therefore, the real-time monitoring of the reaming process can be realized, and the reaming size can be randomly controlled in the corresponding stroke of a single drill bit, namely the action range of the single drill bit is wider; the hydraulic oil cylinder 4 is connected with an external hydraulic source through a hydraulic pipeline, so that the hydraulic oil cylinder can conveniently move up and down through the external hydraulic source; the righting cylinders 5 are arranged outside the oil cylinder fixing seat 3 and the hydraulic oil cylinder 4, and the righting cylinders 5 are arranged, so that the oil cylinder fixing seat 3 and the hydraulic oil cylinder 4 are protected conveniently;
the middle position of the main transmission rod 2 is provided with a movable block 6, the movable end of the hydraulic oil cylinder 4 is connected with the movable block 6, and the main transmission rod 2, the movable block 6 and the hydraulic oil cylinder 4 are matched for use, so that the movable block can reciprocate along the main transmission rod 2; three or more groups of connecting rods 7 are arranged on the movable block 6;
the other end of the connecting rod 7 is movably connected with the corresponding reaming wing 8, the reaming wing 8 can reciprocate along with the movable block 6 by movably connecting the other end of the connecting rod 7 with the corresponding reaming wing 8, and meanwhile, the middle part of the connecting rod 7 is connected by the retaining rod 9, so that the movement of the connecting rod 7 is more reliable; the middle positions of the connecting rods 7 are connected through corresponding retaining rods 9; the upper end and the lower end of the inner side surface of the reaming wing 8 are provided with positioning plates 12; the positioning plate 12 is mainly convenient for the reaming wings 8 to play a positioning role when being closed, so that the accuracy is improved;
the lower end of the main transmission rod 2 is fixedly provided with a base 11, and the base 11 mainly plays a role in fixedly installing and placing the main transmission rod 2 on the base; at least three groups of ear plates for connecting the support rods 10 are arranged on the base 11, and the ear plates mainly play a role of rotatably supporting the support rods 10 thereon; the supporting rod 10 is arranged on the inner side of the ear plate, the other end of the supporting rod 10 is connected to the retaining rod 9, and the other end of the supporting rod 10 is connected to the retaining rod 9 in the middle of the connecting rod 7, so that the movement track of the supporting rod 10 can be conveniently limited, the connecting rod 7 reciprocating along with the movable block 6 is opened and tightened, and the supporting rod 10 drives the reaming wings 8 arranged on the supporting rod to be opened and tightened;
when the drill bit is used, the sensor is arranged in the hydraulic oil cylinder 4, the sensor can transmit the current state of the sensor to an external control console, the current drill bit state is displayed on the control console, and the drill bit can be controlled; therefore, the real-time monitoring of the reaming process can be realized, the reaming size can be randomly controlled in the corresponding stroke of a single drill bit, and the action range of the single drill bit is wider.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a full hydraulic pressure underreamed drill bit, includes flange (1), its characterized in that: the bottom of the connecting flange (1) is fixed to the top end of the main transmission rod (2), an oil cylinder fixing seat (3) is fixedly mounted at one end of the main transmission rod (2), a hydraulic oil cylinder (4) with a sensor is fixedly mounted on the oil cylinder fixing seat (3), the hydraulic oil cylinder (4) is connected with an external hydraulic source through a hydraulic pipeline, and a centering cylinder (5) is arranged outside the oil cylinder fixing seat (3) and the hydraulic oil cylinder (4).
2. A full hydraulic underreamer as claimed in claim 1, wherein: the middle position of the main transmission rod (2) is provided with a movable block (6), the movable end of the hydraulic oil cylinder (4) is connected with the movable block (6), and three or more groups of connecting rods (7) are arranged on the movable block (6).
3. A full hydraulic underreamer as claimed in claim 2, wherein: the other end of the connecting rod (7) is movably connected with the corresponding reaming wing (8), and the middle position of the connecting rod (7) is connected through the corresponding retaining rod (9).
4. A full hydraulic underreamer as claimed in claim 1, wherein: the lower extreme fixed mounting of owner transfer line (2) has base (11), be equipped with the otic placode that is used for joint support pole (10) of at least three groups on base (11).
5. The full hydraulic underreamer of claim 4, wherein: a support rod (10) is arranged on the inner side of the ear plate, and the other end of the support rod (10) is connected to the holding rod (9).
6. A full hydraulic underreamer as claimed in claim 3, wherein: and positioning plates (12) are arranged at the upper end and the lower end of the inner side surface of the reaming wing (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222155370.5U CN218509415U (en) | 2022-08-16 | 2022-08-16 | Full-hydraulic bottom-expanding drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222155370.5U CN218509415U (en) | 2022-08-16 | 2022-08-16 | Full-hydraulic bottom-expanding drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218509415U true CN218509415U (en) | 2023-02-21 |
Family
ID=85208726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222155370.5U Active CN218509415U (en) | 2022-08-16 | 2022-08-16 | Full-hydraulic bottom-expanding drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218509415U (en) |
-
2022
- 2022-08-16 CN CN202222155370.5U patent/CN218509415U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2023142542A1 (en) | Drilling apparatus for geotechnical engineering investigation | |
| CN205135430U (en) | Drill jumbo translation drill boom that stretches out and draws back | |
| CN218509415U (en) | Full-hydraulic bottom-expanding drill bit | |
| CN110924861A (en) | Walking type omnibearing rotary hydraulic pile foundation drilling machine | |
| CN110805400A (en) | Positioning device for petroleum drilling machine | |
| CN207160974U (en) | A kind of drill jumbo polar coordinates machinery translation drill arm mechanism | |
| CN206513311U (en) | Jumbolter | |
| CN201794514U (en) | Portable rotary drilling rig | |
| CN104847266A (en) | Anchor rod multi-cross-section chambering machine tool and application thereof | |
| CN201943579U (en) | Drill arm beam structure capable of rotating propelling beam by 360 degrees | |
| CN201306118Y (en) | Hydraulic shaft-well drill | |
| CN206737819U (en) | Rock drill forward beam is swung and rotating device | |
| CN204591142U (en) | A kind of anchor pole multi-section reaming facility | |
| CN114673459A (en) | Rock drilling device with buffer mechanism | |
| CN205135426U (en) | Soil-collecting type hydraulic bottom-expanding drilling machine | |
| CN210660075U (en) | Long-arm rotary forepoling machine installed on heading machine | |
| CN210659927U (en) | Disc connecting mechanism supported by multi-shaft sleeve and rotary drilling rig | |
| CN213087943U (en) | Reverse hole device of getting in narrow and small space in concrete engineering field | |
| CN2232069Y (en) | Short drilling rig | |
| CN220226719U (en) | Pile foundation bottom-enlarging construction device | |
| CN211874393U (en) | Drilling mechanism for tunnel contact net construction drilling machine | |
| CN220929292U (en) | Special-shaped pile drill bit based on rotary digging | |
| CN219521100U (en) | Rotary drilling machine drilling cylinder welding table | |
| CN213016171U (en) | Hydraulic drill floor with adjustable top hole | |
| CN218971122U (en) | Grouting drilling machine and grouting system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |