CN210013668U - Reaming drilling rod mechanical device in deep foundation pit supporting anchor rod pore-forming - Google Patents
Reaming drilling rod mechanical device in deep foundation pit supporting anchor rod pore-forming Download PDFInfo
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- CN210013668U CN210013668U CN201920789957.7U CN201920789957U CN210013668U CN 210013668 U CN210013668 U CN 210013668U CN 201920789957 U CN201920789957 U CN 201920789957U CN 210013668 U CN210013668 U CN 210013668U
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Abstract
The utility model discloses a deep foundation pit supporting anchor rod pore-forming inner reaming drill rod mechanical device, which comprises a drill rod with helical blades, wherein a cavity leading to an installation end is arranged at the axis of the drill rod; a top rod is arranged in the cavity in an axial sliding manner and comprises a front top rod and a rear top rod which are rotatably connected; one end of the ejector rod penetrating out of the cavity is connected with an oil cylinder, one end of the ejector rod positioned in the cavity is hinged with a connecting rod, and the other end of the connecting rod is hinged with a reaming cutter assembly; the reaming cutter assembly comprises a first transmission rod and a second transmission rod which are hinged to the outer surface of the drill rod, the first transmission rod comprises a transmission part and a working part which are connected, and the ends of the working part and the second transmission rod are respectively hinged to the two ends of the reaming cutter blade. The utility model drives the connecting rod to open the reaming cutter component by pushing the ejector rod through the oil cylinder, so that the rotating radius of the reaming blade is increased for reaming; after pressure grouting, the end part of the anchor rod forms a large head, the anchor rod is prevented from being pulled out from the small-diameter end of the drilled hole, and the tensile resistance of the anchor rod is increased.
Description
Technical Field
The utility model relates to a drilling rod machinery especially relates to a reaming drilling rod mechanical device in deep basal pit support stock pore-forming.
Background
Traditional stock drilling pore-forming back interior tip is the same with hole outside diameter, produces frictional force through pressure slip casting and original soil layer and satisfies the stability ability of side slope in order to reach the stock tensile, and this kind mainly relies on frictional force to come tensile mode tensile ability less than. Therefore, there is an urgent need for a mechanical device for an inner reaming drill rod for supporting anchor rod in deep foundation pit, which enlarges the end hole of the anchor rod according to the requirement, forms a big head at the end of the anchor rod after pressure grouting, can effectively improve the tension of the anchor rod, and more effectively meet the stability of the side slope.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a reaming drilling rod mechanical device in deep basal pit support stock pore-forming, the drilling diameter of solving current drilling rod is the same, causes the not enough problem of stock stretching resistance.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model relates to a deep foundation pit support anchor rod pore-forming inner reaming drill rod mechanical device, which comprises a drill rod with helical blades, wherein a cavity leading to an installation end is arranged at the axis of the drill rod; a top rod is arranged in the cavity in an axial sliding manner and comprises a front top rod and a rear top rod which are rotatably connected; one end of the ejector rod penetrating through the cavity is connected with an oil cylinder, one end of the ejector rod positioned in the cavity is hinged with a connecting rod, and the other end of the connecting rod is hinged with a reaming cutter assembly; the reaming cutter assembly comprises a first transmission rod and a second transmission rod which are hinged to the outer surface of the drill rod, the first transmission rod comprises a transmission part and a working part which are connected, the transmission part penetrates through the side wall of the drill rod, the end of the transmission part is hinged to the connecting rod, and the ends of the working part and the second transmission rod are hinged to the two ends of the reaming cutter blade respectively.
Further, the working part and the second transmission rod are equal in length and parallel to each other.
Furthermore, a fixed block and a movable block which slides along the axial direction are arranged in the cavity, and a return spring is connected between the fixed block and the movable block; an adjusting plate is hinged between the movable block and the end of the connecting rod.
Still further, a sliding sleeve is arranged on the inner wall of the drill rod, and the ejector rod penetrates through the sliding sleeve to slide.
Still further, the drill rod comprises a front drill rod and a rear drill rod which are fixedly connected.
Compared with the prior art, the utility model discloses a beneficial technological effect as follows:
the utility model drives the connecting rod to open the reaming cutter component by pushing the ejector rod through the oil cylinder, so that the rotating radius of the reaming blade is increased for reaming; after pressure grouting, the end part of the anchor rod forms a large head, the anchor rod is prevented from being pulled out from the small-diameter end of the drilled hole, and the tensile resistance of the anchor rod is increased.
Drawings
The present invention will be further explained with reference to the following description of the drawings.
Fig. 1 is a schematic structural view of the deep foundation pit support anchor rod in-hole reaming drill rod mechanical device of the utility model;
fig. 2 is a schematic structural view of the reamer assembly of the present invention;
description of reference numerals: 1. a drill stem; 11. a cavity; 101. a front drill rod; 102. a rear drill rod; 2. a top rod; 201. a front ejector rod; 202. a rear ejector rod; 3. an oil cylinder; 4. a connecting rod; 5. a reamer assembly; 501. a first drive lever; 5011. a transmission section; 5012. a working part; 502. a second transmission rod; 503. reaming the blade; 6. a fixed block; 7. a movable block; 8. a return spring; 9. an adjusting plate; 10. a sliding sleeve.
Detailed Description
As shown in fig. 1 and 2, a specific embodiment of a deep foundation pit support anchor rod hole-forming internal reaming drill rod mechanical device comprises a drill rod 1 with a helical blade, wherein a cavity 11 leading to an installation end is formed in the axis of the drill rod 1. A sliding sleeve 10 is fixed on the inner wall of the drill rod 1, and the ejector rod 2 penetrates through the sliding sleeve 10 to slide. The top rod 2 comprises a front top rod 201 and a rear top rod 202, the front top rod and the rear top rod are connected through a rotating joint (not shown in the figure), so that the rear top rod can drive the front top rod to move back and forth, but the rear top rod cannot rotate together with the front top rod when the front top rod rotates. In this embodiment, in order to facilitate the connection between the front ejector rod and the rear ejector rod, the drill rod 1 is also divided into a front drill rod 101 and a rear drill rod 102, and the front drill rod 101 and the rear drill rod 102 are fixedly connected and move synchronously. The ejector rod 2 penetrates out of one end of the cavity 11 and is connected with an oil cylinder 3, one end of the ejector rod located inside the cavity 11 is hinged with a connecting rod 4, and the other end of the connecting rod 4 is hinged with a reamer component 5. Reamer subassembly 5 is including articulating first transfer line 501 and second transfer line 502 at drilling rod 1 surface first transfer line 501 is including transmission portion 5011 and the work portion 5012 that is connected, transmission portion 5011 passes the lateral wall and the end of drilling rod 1 and articulates with connecting rod 4, the both ends of reaming blade 503 are articulated respectively to the end of work portion 5012 and second transfer line 502, work portion 5012 and second transfer line 502 length equal, and are parallel to each other. When the oil cylinder pushes the ejector rod to drive the transmission part of the first transmission rod to move rightwards, the working part of the first transmission rod and the second transmission rod rotate upwards to drive the reaming blade to be far away from the axis of the drill rod, and the rotating diameter is enlarged.
The cavity 11 internal fixation has fixed block 6 and installs along endwise slip's movable block 7, be connected with return spring 8 between fixed block 6 and the movable block 7, it has regulating plate 9 to articulate between the end of movable block 7 and connecting rod 4. When the ejector rod pushes rightwards to drive the chambering knife assembly to be unfolded, the return spring is compressed. When the oil cylinder drives the ejector rod to retract, the return spring extends to help the reaming cutter assembly to retract.
The drill rod of the device is driven to rotate by the hollow shaft power output speed reducer, and the rear end of the ejector rod penetrates through the hollow shaft of the hollow shaft power output speed reducer and then is connected with the oil cylinder. This device is after the rig pore-forming degree of depth satisfies the design requirement, pressurize through equipment mechanical power output tip hydraulic cylinder, utilize the inside slip ejector pin of hydro-cylinder power promotion drilling rod, push away the reaming cutter subassembly of mechanical connection through the inside slip ejector pin power of drilling rod, ejector pin and reaming cutter subassembly form effective controllable macropore to anchor rod hole bottom inside before the rotation drive of auger stem, the reaming satisfies the pneumatic cylinder pressure release behind the geometric dimensions as required, the reaming blade return of drilling rod mechanical connection is made to the inside return spring of drilling rod, the drilling rod is extracted through machinery, the reaming of anchor rod downthehole tip finishes.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.
Claims (5)
1. The utility model provides a reaming drilling rod mechanical device in deep basal pit support stock pore-forming, includes drilling rod (1) of taking helical blade, its characterized in that: a cavity (11) leading to the mounting end is formed in the axis of the drill rod (1); a push rod (2) is axially arranged in the cavity (11) in a sliding manner, and the push rod (2) comprises a front push rod (201) and a rear push rod (202) which are rotatably connected; one end of the ejector rod (2) penetrating through the cavity (11) is connected with an oil cylinder (3), one end of the ejector rod positioned in the cavity (11) is hinged with a connecting rod (4), and the other end of the connecting rod (4) is hinged with a reaming cutter assembly (5); reaming cutter subassembly (5) is including articulating first transfer line (501) and second transfer line (502) at drilling rod (1) surface, first transfer line (501) are including transmission portion (5011) and the work portion (5012) that are connected, lateral wall and end that transmission portion (5011) passed drilling rod (1) are articulated with connecting rod (4), the both ends of reaming blade (503) are articulated respectively to the end of work portion (5012) and second transfer line (502).
2. The mechanical device for boring and reaming the drill rod in the deep foundation pit supporting anchor rod hole according to claim 1, characterized in that: the working portion (5012) and the second transmission rod (502) are equal in length and parallel to each other.
3. The mechanical device for boring and reaming the drill rod in the deep foundation pit supporting anchor rod hole according to claim 1, characterized in that: a fixed block (6) and a movable block (7) which slides along the axial direction are arranged in the cavity (11), and a return spring (8) is connected between the fixed block (6) and the movable block (7); an adjusting plate (9) is hinged between the movable block (7) and the end of the connecting rod (4).
4. The mechanical device for boring and reaming the drill rod in the deep foundation pit supporting anchor rod hole according to claim 1, characterized in that: the inner wall of the drill rod (1) is provided with a sliding sleeve (10), and the ejector rod (2) penetrates through the sliding sleeve (10) to slide.
5. The mechanical device for boring and reaming the drill rod in the deep foundation pit supporting anchor rod hole according to claim 1, characterized in that: the drill rod (1) comprises a front drill rod (101) and a rear drill rod (102) which are fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920789957.7U CN210013668U (en) | 2019-05-29 | 2019-05-29 | Reaming drilling rod mechanical device in deep foundation pit supporting anchor rod pore-forming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920789957.7U CN210013668U (en) | 2019-05-29 | 2019-05-29 | Reaming drilling rod mechanical device in deep foundation pit supporting anchor rod pore-forming |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210013668U true CN210013668U (en) | 2020-02-04 |
Family
ID=69318088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920789957.7U Active CN210013668U (en) | 2019-05-29 | 2019-05-29 | Reaming drilling rod mechanical device in deep foundation pit supporting anchor rod pore-forming |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210013668U (en) |
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2019
- 2019-05-29 CN CN201920789957.7U patent/CN210013668U/en active Active
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