CN210239607U

CN210239607U - Drilling device

Info

Publication number: CN210239607U
Application number: CN201921002045.7U
Authority: CN
Inventors: Qing Xia; 夏清; Jiewei Zhao; 赵杰伟; Xiangdong Xia; 夏向东; Liteng Fa; 法立滕; Dan Zhang; 张丹; Jianbin Yuan; 袁建斌
Original assignee: China Ordnance Industry Survey And Geotechnical Institute Co ltd
Current assignee: China Ordnance Industry Survey And Geotechnical Institute Co ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-04-03
Anticipated expiration: 2029-06-28

Abstract

The utility model provides a bore and pass through ware relates to detecting instrument technical field, has solved the technical problem that exists among the prior art at the exploration ground in-process, work efficiency is lower. The device includes mark through ware, drilling tool and connection structure, wherein, cavity in the inside drilling tool that is provided with of drilling tool, mark through the ware is located cavity just mark through the ware with the drilling tool passes through connection structure can dismantle the connection, mark through the ware can be followed the length direction of drilling tool stretches out cavity in. The utility model is used for survey ground.

Description

Drilling device

Technical Field

The utility model belongs to the technical field of detecting instrument technique and specifically relates to a bore and run through ware is related to.

Background

The SPT is a dynamic sounding method, and is a method for measuring the foundation bearing capacity of sand or cohesive soil on site. And (3) freely dropping a 63.5kg penetrating hammer from a height of 0.76m to impact a hammer seat, vertically driving a standard penetration device into a soil layer for 15cm through a probe rod, and then starting to record the hammering number of 10cm per driving, wherein the accumulated hammering number of 30cm is the actually measured hammering number N of the standard penetration test. When the number of hammering had reached 50 strokes and the penetration depth was less than 30cm, the actual penetration depth was recorded and the experiment was terminated.

With the continuous development of the technology, the engineering geological construction period is required to be shorter and shorter, and the sampling density is higher and higher in order to obtain accurate, detailed and reliable geological data. In the process of exploring rock and soil, the traditional drilling tool is divided into the following steps for one round of drilling: 1) installing a drilling tool on the drill rod and aligning the drilling tool with a soil layer to be drilled; 2) drilling a drilling tool into the soil layer; 3) after the drilling tool reaches the designated position, lifting the drilling tool; 4) replacing the drilling tool with the standard penetration device and sending the standard penetration device to a specified position; 5) performing a standard penetration test; 6) after the test is completed, the standard penetration device is lifted. Wherein two thirds of the time of this operation step is used to raise and lower the drill and the standard.

The applicant has found that the prior art has at least the following technical problems:

in the prior art, in the process of rock and soil exploration, due to the fact that the drilling tool and the standard penetration device are repeatedly replaced in the traditional operation process, the time for lifting the drilling tool and the standard penetration device is long, the working efficiency is low, and the labor intensity is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bore and pass through ware to solve the technical problem that exists among the prior art at the exploration ground in-process, work efficiency is than low. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a pair of bore and run through ware, including marking through ware, drilling tool and connection structure, wherein, the cavity is gone up to inside being provided with of drilling tool, it is located to mark through the ware well cavity just mark through the ware with the drilling tool passes through connection structure can dismantle the connection, mark through the ware and can follow the length direction of drilling tool stretches out well cavity.

Optionally, the standard penetrometer and the drilling tool are in threaded connection through the connecting structure.

Optionally, the connection structure includes a first threaded sleeve and a second threaded sleeve, the first threaded sleeve and the second threaded sleeve are in threaded connection, the first threaded sleeve is located inside the drilling tool and connected with the inner wall of the drilling tool, and the second threaded sleeve is located outside the penetration indicator and connected with the outer wall of the penetration indicator.

Optionally, the first threaded sleeve is connected or welded with the inner wall of the drilling tool through a connecting piece, and the second threaded sleeve is connected or welded with the outer wall of the standard penetration device through a connecting piece.

Optionally, the connection structure is located in an upper region of the drill through.

Optionally, a mounting hole is formed in the standard penetration device, the mounting hole is located in the upper region of the standard penetration device, the mounting hole is connected with one end of a drill rod, and the other end of the drill rod can be connected with a motor or a through hammer.

Optionally, the mounting hole is threadedly connected with the drill rod.

Optionally, the drilling tool comprises a soil retaining structure, the soil retaining structure is rotatably connected with the drilling tool, and the soil retaining structure is located at the lower end of the drilling tool.

Optionally, the retaining structure includes two retaining plates, two retaining plates are both connected with the drilling tool in a rotating manner and two retaining plates are symmetrically distributed on the end portion of the drilling tool.

Optionally, a rotary hole is formed in the soil retaining plate, and a rotary rod passes through the rotary hole and is connected to the end of the drilling tool.

The utility model provides a pair of bore and run through ware, the drilling tool is inside to be provided with well cavity, and the mark runs through the ware and is located well cavity and mark and run through the ware and pass through connection structure can dismantle with the drilling tool and be connected, and the length direction that the ware can follow the drilling tool is run out well cavity to mark and run through the ware. The utility model provides a bore and pass through the ware and have drilling function and supplementary standard injection test function, at exploration ground in-process, need not be to traditional operation flow in, change drilling tool and mark and pass through the ware repeatedly for the time that occupies at lift drilling tool and mark and pass through the ware in-process is more, and work efficiency is lower, the utility model discloses can accomplish under the situation that does not need lift drilling tool and mark and pass through the ware again, through the connection state who changes mark and drilling tool, also can reach drilling and supplementary standard injection test, save a large amount of time, make work efficiency improve relatively, with the technical problem who exists in the solution prior art at exploration ground in-process, work efficiency is lower.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a semi-sectional view of a penetration indicator of a drill provided by an embodiment of the present invention in a drilling tool;

fig. 2 is a full-sectional view of a standard extension drilling tool of the drilling device provided by the embodiment of the invention;

fig. 3 is a full-sectional view of a connection structure of a drill through device according to an embodiment of the present invention;

fig. 4 is a side view of a drill bit of a drill penetration provided by an embodiment of the present invention;

FIG. 1 shows a standard penetration device; 11. mounting holes; 12. a standard penetration device joint; 13. semi-closing the pipe of the standard penetration device; 14. cutting edges of the standard penetrometer; 2. drilling tools; 21. a hollow cavity; 22. a soil retaining structure; 221. a soil guard plate; 2211. hole turning; 222. a rotating rod; 23. a drill tool joint; 24. a core barrel; 25. a drill bit; 3. a connecting structure; 31. a first threaded sleeve; 32. a second threaded sleeve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The utility model provides a bore and pass through ware, including marking through ware 1, drilling tool 2 and connection structure 3, wherein, cavity 21 in 2 inside being provided with of drilling tool, marking through ware 1 is located cavity 21 and marks through ware 1 and drilling tool 2 and can dismantle through connection structure 3 and be connected, and marking through ware 1 and drilling tool 2 can be for threaded connection through connection structure 3, and marking through ware 1 can stretch out cavity 21 along the length direction of drilling tool 2. The utility model provides a bore and pass through the ware and have drilling function and supplementary standard injection test function, at exploration ground in-process, need not be to traditional operation flow in, change drilling tool and mark and pass through the ware repeatedly for the time that occupies is more in lift drilling tool and mark and pass through the ware in-process, work efficiency is lower, the utility model discloses can accomplish again under the situation that does not use lift drilling tool 2 and mark and pass through ware 1, through changing the connection state of mark and pass through ware 1 and drilling tool 2, also can reach drilling and supplementary standard injection test, save a large amount of time, make work efficiency improve relatively, with the technical problem who exists among the solution prior art at exploration ground in-process, work efficiency is lower.

As an alternative embodiment, the connection structure 3 includes a first threaded sleeve 31 and a second threaded sleeve 32, the first threaded sleeve 31 and the second threaded sleeve 32 are in threaded connection, the first threaded sleeve 31 is located inside the drilling tool 2 and connected with the inner wall of the drilling tool 2, the second threaded sleeve 32 is located outside the penetration indicator 1 and connected with the outer wall of the penetration indicator 1, the first threaded sleeve 31 is connected or welded with the inner wall of the drilling tool 2 through a connecting piece, and the second threaded sleeve 32 is connected or welded with the outer wall of the penetration indicator 1 through a connecting piece.

As an alternative embodiment, the connection structure 3 is located in the upper region of the drill through. The standard device 1 comprises a standard device joint 12, a standard device semi-closed pipe 13 and a standard device cutting edge 14, the standard device joint 12 and the standard device cutting edge 14 are connected through the standard device semi-closed pipe 13 and are communicated with each other, and the outer wall of the standard device joint 12 is connected or welded with a second threaded sleeve 32 through a connecting piece; the drilling tool 2 comprises a tool joint 23, a core barrel 24 and a drill bit 25, the tool joint 23 and the drill bit 25 are connected through the core barrel 24 and communicated with each other, and the inner wall of the tool joint 23 is connected or welded with a first threaded sleeve 31 through a connecting piece.

As an alternative embodiment, the standard device 1 is provided with a mounting hole 11, the mounting hole 11 is located in the upper region of the standard device 1, i.e. the mounting hole 11 is located in the upper region of the standard device joint 12, the mounting hole 11 is connected with one end of a drill rod, and the other end of the drill rod can be connected with a motor or a through hammer.

As an alternative embodiment, the mounting hole 11 is threaded with the drill rod. When the drill rod rotates forwards, the first threaded sleeve 31 and the second threaded sleeve 32 are in a connected state, and the standard penetration device 1 and the drilling tool 2 rotate together; when the drill rod rotates reversely, the first threaded sleeve 31 and the second threaded sleeve 32 are disconnected, so that the target 1 is separated from the drilling tool 2, that is, the target 1 moves downwards until the lower end of the target 1 touches the bottom of the hole.

As an alternative embodiment, the drilling tool 2 comprises a retaining structure 22, the retaining structure 22 being rotatably connected to the drilling tool 2, the retaining structure 22 being located at the lower end of the drilling tool 2, the retaining structure 22, i.e. at the end of the drill bit 25, being rotatably connected to the drill bit 25. The function of the retaining structure 22 is to prevent the entry of earth into the standard 1 during drilling. Because the existence of retaining structure 22, before the separation of target ware 1 and drilling tool 2, need upwards improve with drilling tool 2 earlier for retaining structure 22 is in vertical state (can not block target ware 1 and stretch out drilling tool 2), after target ware 1 and drilling tool 2 separation, moves target ware 1 downwards again, touches the hole bottom until the lower extreme of target ware 1.

As an alternative embodiment, the retaining structure 22 comprises two retaining plates 221, both retaining plates 221 are rotatably connected with the drilling tool 2 and the two retaining plates 221 are symmetrically distributed on the end of the drilling tool 2. The drilling tool 2 rotates at a high speed during operation, and then drives the two soil retaining plates 221 to rotate, and the high-speed rotation can prevent soil from entering the alignment mark 1, so that a closed plate is formed.

In an alternative embodiment, the retaining plate 221 is provided with a rotation hole 2211, and the rotation rod 222 is connected to the end of the drilling tool 2 through the rotation hole 2211.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A drilling device is characterized by comprising a standard drilling device (1), a drilling tool (2) and a connecting structure (3), wherein,

drilling tool (2) inside is provided with well cavity (21), mark and pass through ware (1) and be located well cavity (21) just mark and pass through ware (1) with drilling tool (2) pass through connection structure (3) can dismantle the connection, mark and pass through ware (1) can be followed the length direction of drilling tool (2) stretches out well cavity (21).

2. The drill penetration device according to claim 1, wherein the standard penetration device (1) and the drilling tool (2) are in threaded connection through the connecting structure (3).

3. The drill penetration device according to claim 1 or 2, wherein the connecting structure (3) comprises a first threaded sleeve (31) and a second threaded sleeve (32), the first threaded sleeve (31) and the second threaded sleeve (32) are in threaded connection, the first threaded sleeve (31) is located inside the drilling tool (2) and connected with the inner wall of the drilling tool (2), and the second threaded sleeve (32) is located outside the penetration device (1) and connected with the outer wall of the penetration device (1).

4. The drill penetration device according to claim 3, wherein the first threaded sleeve (31) is connected or welded with the inner wall of the drill (2), and the second threaded sleeve (32) is connected or welded with the outer wall of the standard penetration device (1).

5. Drill collar according to claim 1 or 2, characterized in that the connection structure (3) is located in the upper region of the drill collar.

6. The drilling machine according to claim 1, characterized in that the standard boring device (1) is provided with a mounting hole (11), the mounting hole (11) is located in the upper region of the standard boring device (1), the mounting hole (11) is connected with one end of a drill rod, and the other end of the drill rod can be connected with a motor or a through hammer.

7. The drill penetration according to claim 6, wherein the mounting hole (11) is threadedly connected with the drill rod.

8. Drill penetration device according to claim 1, wherein the drilling tool (2) comprises a soil retaining structure (22), the soil retaining structure (22) being rotatably connected to the drilling tool (2), the soil retaining structure (22) being located at a lower end of the drilling tool (2).

9. Drill penetration device according to claim 8, wherein said retaining structure (22) comprises two retaining plates (221), both retaining plates (221) being rotatably connected to said drilling tool (2) and both retaining plates (221) being symmetrically distributed on the end of said drilling tool (2).

10. The drill penetration device according to claim 9, wherein the soil guard plate (221) is provided with a rotation hole (2211), and a rotation rod (222) is connected to the end of the drill (2) through the rotation hole (2211).