CN217976092U

CN217976092U - Screw pile drilling tool with extruding and expanding integrated function

Info

Publication number: CN217976092U
Application number: CN202221232696.7U
Authority: CN
Inventors: 王勤伟
Original assignee: Shandong Zhuoli Pile Machine Co ltd
Current assignee: Shandong Zhuoli Pile Machine Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-12-06
Anticipated expiration: 2032-05-23

Abstract

The utility model discloses a screw thread stake drilling tool with crowded integrative function that expands belongs to building engineering technical field, and its technical scheme main points include the drill bit main part, and the upper end of drill bit main part is provided with the drilling tool joint, and the lower extreme of drill bit main part is provided with the drilling rod, and the lower extreme fixedly connected with point of drill of drilling rod, the surface of drilling rod are provided with helical blade. The threaded sleeve is driven to move by rotating the limiting block, so that the moving block is driven to move up and down, the first movable plate and the second movable plate move mutually, the first movable plate is ejected outwards in the downward movement process of the second movable plate, the expansion plate is of a triangular structure and protrudes outwards, and the size of the cross section of a drilled hole is changed. After the moving block moves upwards and resets, the first movable plate and the second movable plate are unfolded to be horizontal and vertical, so that the expansion plate is located in the accommodating groove, the drilling tool is a cylinder with the same diameter from top to bottom, the drilling, soil squeezing and hole expanding requirements of the drilling tool are conveniently met, and the functionality is improved.

Description

Screw pile drilling tool with extruding and expanding integrated function

Technical Field

The utility model relates to a building engineering technical field, in particular to screw thread pile drilling tool with crowded integrative function that expands.

Background

Along with economic development and land resource scarcity, buildings gradually develop towards high-rise direction, the loads of the buildings and the structures are increasingly large, so that piles with high bearing capacity are formed, pile forming devices and construction methods are widely applied to foundation engineering, and the piles can be divided into three types, namely soil-squeezing piles, partial soil-squeezing piles and non-soil-squeezing piles according to the influence of the pile forming construction method on soil layers.

The existing screw pile drilling tool with the extruding and expanding integrated function is fixed in structure and single in overall structure, and when digging, spirally extruding and expanding are carried out, the drilling tool needs to be replaced as required, so that time and labor are consumed, and the working efficiency is reduced.

Disclosure of Invention

The utility model discloses to above problem, provide a screw thread stake drilling tool with crowded integrative function that expands and solve above-mentioned problem.

The utility model discloses a realize like this, a screw pile drilling tool with crowded integrative function that expands, including the drill bit main part with adjust the structure, the upper end of drill bit main part is provided with the drilling tool joint, and the lower extreme of drill bit main part is provided with the drilling rod, the lower extreme fixedly connected with drill point of drilling rod, the surface of drilling rod is provided with helical blade. The adjusting structure is arranged on the surface of the drill bit main body and is positioned at the lower end of the drilling tool joint for connecting a drill rod.

In order to realize the extrusion reaming of drilling tool, as the utility model discloses a screw pile drilling tool is preferred with crowded integrative function that expands, adjust the structure including the extension barrel, accomodate the groove, the activity cavity, the threaded sleeve pipe, the stopper, expansion board and movable block, the groove has been seted up and has been accomodate on the surface of extension barrel, be provided with movable cavity between the inboard of extension barrel and the drill bit main part, the threaded sleeve pipe is installed to the upper end of activity cavity, the upper end of threaded sleeve pipe extends to the outside fixedly connected with stopper of extension barrel, accomodate and install the expansion board in the groove, the movable block is installed to the upper end of expansion board.

In order to adjust conveniently, as the utility model discloses a screw pile drilling tool with crowded integrative function of expanding is preferred, accomodates the centre of a circle annular array distribution of groove in order to expand the barrel, activity cavity and threaded sleeve swing joint, drill bit main part and threaded sleeve threaded connection.

In order to realize crowded function of expanding, as the utility model discloses a screw pile drilling tool is preferred with crowded integrative function of expanding, the expansion board includes first fly leaf and second fly leaf, and the one end and the expansion barrel of first fly leaf pass through the hinge and rotate the connection, and the other end and the second fly leaf of first fly leaf pass through the hinge and rotate the connection, and the one end and the movable block that first fly leaf was kept away from to the second fly leaf pass through the hinge rotation connection.

In order to adjust reaming external diameter for the convenience, as the utility model discloses a screw pile drilling tool is preferred with crowded integrative function that expands, the movable block is kept away from the one end of second fly leaf and is extended to the activity cavity in, and passes through the bearing rotation with screw-thread sleeve's lower extreme and connect.

In order to facilitate the drilling and the digging, the utility model discloses a screw pile drilling tool with the squeezing and expanding integrated function is preferred, the length and the width of first fly leaf, second fly leaf and the length and the width of holding the groove are adapted each other.

Compared with the prior art, the beneficial effects of the utility model are that:

according to the screw pile drilling tool with the squeezing and expanding integrated function, the threaded sleeve is driven to move by rotating the limiting block, so that the moving block is driven to move up and down, and the first movable plate and the second movable plate move mutually; in the process that the second movable plate moves downwards, the first movable plate is ejected outwards, the expansion plate is of a triangular structure and protrudes outwards, and the section size of the drilled hole is changed. When the moving block moves upwards to reset, the first movable plate and the second movable plate are unfolded to be horizontal and vertical, so that the expansion plate is positioned in the accommodating groove; and, the drilling tool is the cylinder of upper and lower isodiametric, conveniently satisfies the drilling of drilling tool, crowds native and reaming demand, and is functional stronger.

Drawings

FIG. 1 is a structural diagram of a screw pile drilling tool with squeezing and expanding integrated functions according to the present invention;

fig. 2 is a drawing of a storage structure of an expansion plate of a screw pile drilling tool with an extruding and expanding integrated function of the utility model;

fig. 3 is the expansion structure diagram of the screw pile drilling tool expansion plate with the squeezing and expanding integrated function of the utility model.

In the figure, 1, a drill bit body; 101. a drill tool joint; 102. drilling a rod; 103. drilling a tip; 104. a helical blade; 2. an adjustment structure; 201. expanding the cylinder; 202. a receiving groove; 203. a movable cavity; 204. a threaded bushing; 205. a limiting block; 206. an expansion board; 207. a moving block; 2061. a first movable plate; 2062. a second movable plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. 1-3, a screw pile drilling tool with squeezing and expanding integrated function includes a drilling bit main body 1 and an adjusting structure 2, wherein a drilling tool joint 101 is disposed at the upper end of the drilling bit main body 1, a drilling rod 102 is disposed at the lower end of the drilling bit main body 1, a drilling tip 103 is fixedly connected to the lower end of the drilling rod 102, and a helical blade 104 is disposed on the surface of the drilling rod 102. The adjustment structure 2 is mounted on the surface of the bit body 1 at the lower end of the tool joint 101 for connecting the drill rod 102.

In this embodiment: the drill is fixedly installed through the drill collar 101, the drill tip 103 contacts the ground to drill a hole, so that the drill rod 102 rotates in cooperation with the helical blade 104 to perform earth boring and helical soil extrusion. The diameter of the drilling tool can be adjusted through the adjusting structure 2, and the functions of drilling, extruding and expanding are integrated.

Specifically, the adjusting structure 2 includes an extension cylinder 201, an accommodating groove 202, a movable cavity 203, a threaded sleeve 204, a limiting block 205, an extension plate 206 and a moving block 207, the accommodating groove 202 is formed in the surface of the extension cylinder 201, the movable cavity 203 is arranged between the inner side of the extension cylinder 201 and the drill bit main body 1, the threaded sleeve 204 is installed at the upper end of the movable cavity 203, the limiting block 205 is fixedly connected to the outer side of the upper end of the threaded sleeve 204 extending to the extension cylinder 201, the extension plate 206 is installed in the accommodating groove 202, and the moving block 207 is installed at the upper end of the extension plate 206. Through the movable cavity 203, the threaded sleeve 204 can move up and down conveniently, and the drilling tool can be adjusted and used.

The receiving grooves 202 are distributed in a circular array at the center of the expanding cylinder 201, the movable cavity 203 is movably connected with the threaded sleeve 204, and the drill bit body 1 is in threaded connection with the threaded sleeve 204. The limiting block 205 is rotated manually to drive the threaded sleeve 204 to rotate, so that the threaded sleeve 204 is located on the surface of the drill bit main body 1 to move up and down, and adjustment is achieved.

The expansion plate 206 includes a first movable plate 2061 and a second movable plate 2062, one end of the first movable plate 2061 is rotatably connected to the expansion cylinder 201 by a hinge, the other end of the first movable plate 2061 is rotatably connected to the second movable plate 2062 by a hinge, and one end of the second movable plate 2062 away from the first movable plate 2061 is rotatably connected to the moving block 207 by a hinge. In the downward movement process of the second movable plate 2062, the first movable plate 2061 is ejected outwards, the expansion plate 206 is in a triangular structure and protrudes outwards, and the cross section size of the drilled hole is changed; when the second movable plate 2062 drives the first movable plate 2061 to move upward, the first movable plate 2061 and the second movable plate 2062 are unfolded in a horizontal and vertical shape, so that the expansion plate 206 is located in the receiving groove 202.

An end of the moving block 207 remote from the second moving plate 2062 extends into the moving cavity 203, and is rotatably connected to a lower end of the threaded sleeve 204 through a bearing. The threaded sleeve 204 is used for driving the moving block 207 to move, so that the expansion plate 206 is adjusted, and the diameter of the section is adjusted.

The length and width of the first and second

movable plates

2061 and 2062 are adapted to the length and width of the receiving groove 202. The extension plate 206 is received by the receiving groove 202, so that the upper and lower parts of the drilling tool are cylinders with the same diameter.

The utility model discloses a theory of operation and use flow:

when the drilling tool is used, the threaded sleeve 204 is driven to move by rotating the limiting block 205, so that the moving block 207 is driven to move up and down, the first movable plate 2061 and the second movable plate 2062 move mutually, the first movable plate 2061 is ejected outwards in the downward moving process of the second movable plate 2062, the expansion plate 206 is in a triangular structure and protrudes outwards, and the size of the cross section of a drilled hole is changed. After the moving block 207 moves upward and resets, the first movable plate 2061 and the second movable plate 2062 are unfolded to be horizontal and vertical, so that the expansion plate 206 is located in the accommodating groove 202, and the drilling tool is a cylinder with the same diameter from top to bottom, thereby conveniently meeting the requirements of drilling, soil squeezing and hole expanding of the drilling tool and having stronger functionality.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a screw pile drilling tool with crowded integrative function that expands which characterized in that includes:

the drill bit comprises a drill bit main body (1), wherein a drill tool joint (101) is arranged at the upper end of the drill bit main body (1), a drill rod (102) is arranged at the lower end of the drill bit main body (1), a drill tip (103) is fixedly connected to the lower end of the drill rod (102), and a helical blade (104) is arranged on the surface of the drill rod (102);

the adjusting structure (2) is arranged on the surface of the drill bit main body (1), is positioned at the lower end of the drill tool joint (101) and is used for connecting a drill rod (102).

2. The screw pile drilling tool with the squeezing and expanding integrated function as claimed in claim 1, wherein: the adjustable structure (2) comprises an extension cylinder (201), a storage groove (202), a movable cavity (203), a threaded sleeve (204), a limiting block (205), an extension plate (206) and a moving block (207), wherein the storage groove (202) is formed in the surface of the extension cylinder (201), the movable cavity (203) is formed between the inner side of the extension cylinder (201) and the drill bit main body (1), the threaded sleeve (204) is installed at the upper end of the movable cavity (203), the upper end of the threaded sleeve (204) extends to the outer side of the extension cylinder (201) and is fixedly connected with the limiting block (205), the extension plate (206) is installed in the storage groove (202), and the moving block (207) is installed at the upper end of the extension plate (206).

3. The screw pile drilling tool with the squeezing and expanding integrated function as claimed in claim 2, wherein: the accommodating grooves (202) are distributed in an annular array mode according to the circle center of the expansion cylinder body (201), the movable cavity (203) is movably connected with the threaded sleeve (204), and the drill bit main body (1) is in threaded connection with the threaded sleeve (204).

4. The screw pile drilling tool with the squeezing and expanding integrated function as claimed in claim 2, wherein: the expansion plate (206) comprises a first movable plate (2061) and a second movable plate (2062), one end of the first movable plate (2061) is rotatably connected with the expansion cylinder (201) through a hinge, the other end of the first movable plate (2061) is rotatably connected with the second movable plate (2062) through a hinge, and one end, far away from the first movable plate (2061), of the second movable plate (2062) is rotatably connected with the moving block (207) through a hinge.

5. The screw pile drilling tool with the squeezing and expanding integrated function as claimed in claim 4, wherein: one end, far away from the second movable plate (2062), of the movable block (207) extends into the movable cavity (203), and is rotatably connected with the lower end of the threaded sleeve (204) through a bearing.

6. The screw pile drilling tool with the squeezing and expanding integrated function as claimed in claim 4, wherein: the length and width of the first movable plate (2061) and the second movable plate (2062) are matched with the length and width of the accommodating groove (202).