CN213360014U - Auxiliary device for threaded drill - Google Patents
Auxiliary device for threaded drill Download PDFInfo
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- CN213360014U CN213360014U CN202021619806.6U CN202021619806U CN213360014U CN 213360014 U CN213360014 U CN 213360014U CN 202021619806 U CN202021619806 U CN 202021619806U CN 213360014 U CN213360014 U CN 213360014U
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- drill
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- rod
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Abstract
The embodiment of the application provides a threaded drill auxiliary device, including first screwed pipe and second screwed pipe, the internal surface of first screwed pipe is equipped with the internal thread, the internal thread revolves to the revolving to opposite with the screw thread on the drill bit that the screw thread bored, the surface of second screwed pipe is equipped with the external screw thread, the revolving to of external screw thread is to opposite with the revolving to of the screw thread on the drill bit that the screw thread bored, first screwed pipe cover establish the outside of second screwed pipe and with second screwed pipe threaded connection, the second screwed pipe still is used for the drilling rod fixed connection with the screw thread is bored. Adopt the screw drill auxiliary device of this application embodiment can reduce the lifting degree of difficulty that the screw bored.
Description
Technical Field
The application relates to the technical field of geotechnical engineering investigation, especially, relate to a threaded drill auxiliary device.
Background
The threaded drill has the obvious advantages of lightness, rapidness, easy operation and the like, and is widely applied to drilling operations of line engineering, mountain exploration operation, light mountain engineering and the like.
In the related art solutions, it is often necessary for an operator to perform drilling operations while holding a threaded drill at a location where drilling is desired. However, when the drilling depth reaches a certain value, the threaded drill is difficult to lift due to the self weight of the drill rod of the threaded drill and the soil resistance, and the larger the drilling depth is, the greater the lifting difficulty is.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a threaded drill auxiliary device, which is mainly used for solving the problem of difficulty in lifting and pulling a threaded drill in the related art.
According to a first aspect of embodiments of the present application, there is provided a thread drill assisting device for performing a drilling operation in cooperation with a thread drill, including:
the inner surface of the first threaded pipe is provided with internal threads, and the rotating direction of the internal threads is opposite to that of the threads on the drill bit of the threaded drill;
the second screwed pipe, the surface of second screwed pipe is equipped with the external screw thread, the soon of external screw thread to with the spiral of the screw thread on the drill bit of screw drill is opposite, first screwed pipe cover is established the outside of second screwed pipe and with second screwed pipe threaded connection, the second screwed pipe still be used for with the drilling rod fixed connection that the screw thread bored.
Optionally, the second threaded pipe is sleeved outside the drill rod, and the second threaded pipe is connected with the drill rod through a fastener.
The thread drilling auxiliary device as described above, optionally, the fastener is a slip, the slip is inserted between the second threaded pipe and the drill rod to make the second threaded pipe and the drill rod interference fit, and an arc-shaped steel tooth is provided on a side of the slip facing the drill rod.
Optionally, the projection of the slip on the vertical section is wedge-shaped, and the projection of the slip on the cross section is arc-shaped.
The thread drilling auxiliary device is characterized in that a plurality of fastening pieces are arranged between the second threaded pipe and the drill rod, and the plurality of fastening pieces are uniformly distributed along the circumferential direction of the second threaded pipe.
The thread drilling aid as described above, optionally, further comprising a bracket for supporting the first threaded pipe, the first threaded pipe being fixed to the bracket.
The thread drill auxiliary device as described above, optionally, the bracket has a prism shape, and the first threaded pipe is fixedly arranged in the middle of the bracket.
The thread drill assisting device as described above, optionally, the bracket includes:
a first plane comprising a plurality of first rods connected end to end;
a second plane, the second plane being opposite to the first plane, the second plane comprising a plurality of second rod members connected end to end;
a plurality of third rod pieces, wherein two ends of each third rod piece are respectively connected with the first plane and the second plane;
a plurality of fourth rod pieces, one end of each fourth rod piece is connected with the first plane, and the other end of each fourth rod piece is connected with the first threaded pipe;
and one end of each fifth rod piece is connected with the second plane, and the other end of each fifth rod piece is connected with the first threaded pipe.
Optionally, the first plane is similar to the second plane, the area of the second plane is larger than that of the first plane, and two ends of the third rod are respectively connected to an intersection of two adjacent first rods and an intersection of two corresponding adjacent second rods.
The thread drill assisting device as described above, optionally, the first threaded pipe is welded and fixed to the bracket.
The utility model provides a threaded drill auxiliary device includes first screwed pipe and second screwed pipe, the internal surface of first screwed pipe is equipped with the internal thread, the internal thread revolves to revolving to opposite with the screw thread on the drill bit of threaded drill, the surface of second screwed pipe is equipped with the external screw thread, the revolving of external screw thread is to revolving to opposite with the screw thread on the drill bit of threaded drill, first screwed pipe cover establish the outside of second screwed pipe and with second screwed pipe threaded connection, the second screwed pipe still be used for with the drilling rod fixed connection that the screw thread bored. By adopting the auxiliary device for the threaded drill in the embodiment of the application, when drilling operation is carried out, the drill rod rotates to drive the drill bit to move downwards, and meanwhile, as the drill rod is fixedly connected with the second threaded pipe, the drill rod drives the second threaded pipe to rotate together; because second screwed pipe and first screwed pipe screw-thread fit to the screw thread of second screwed pipe and first screwed pipe is revolved to opposite with the screw thread on the drill bit soon, consequently the second screwed pipe can provide an ascending reaction lifting force for the drilling rod, makes things convenient for operating personnel to promote the drilling rod, reduces and promotes the degree of difficulty.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of a thread drilling aid provided by an embodiment of the present application in a use state;
FIG. 2 is a schematic diagram of the outer side of a first threaded tubular provided by an embodiment of the present application;
FIG. 3 is a schematic view of the inside of a first threaded tubular provided by an embodiment of the present application;
FIG. 4 is a schematic diagram of the outside of a second threaded tubular provided by an embodiment of the present application;
FIG. 5 is a schematic view of the inside of a second threaded tubular provided by an embodiment of the present application;
FIG. 6 is a schematic view of the outer side of the slips provided by an embodiment of the present application;
FIG. 7 is a schematic view of the inside of a slip as provided by an embodiment of the present application;
a schematic illustration of a stent provided in accordance with an embodiment of the present application is shown in fig. 8.
Reference numerals:
10-a thread drill aid; 110-a first threaded pipe; 120-a second threaded pipe; 130-a fastener; 140-a scaffold; 141-a first bar; 142-a second rod; 143-a third bar; 144-a fourth rod; 145-a fifth bar;
20-thread drilling; 210-a drill bit; 220-drill rod.
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Example one
Fig. 1 is a schematic structural diagram of a thread drilling aid provided by an embodiment of the present application in a use state; FIG. 2 is a schematic diagram of the outer side of a first threaded tubular provided by an embodiment of the present application; FIG. 3 is a schematic view of the inside of a first threaded tubular provided by an embodiment of the present application; FIG. 4 is a schematic diagram of the outside of a second threaded tubular provided by an embodiment of the present application; FIG. 5 is a schematic view of the inside of a second threaded tubular provided by an embodiment of the present application; please refer to fig. 1-5.
The present embodiment provides a screw drill assisting device 10 for performing a drilling operation in cooperation with a screw drill 20, including:
the first threaded pipe 110, the inner surface of the first threaded pipe 110 is provided with internal threads, and the rotation direction of the internal threads is opposite to the rotation direction of the threads on the drill head 210 of the auger 20.
The outer surface of the second threaded pipe 120 is provided with external threads, the turning direction of the external threads is opposite to that of the threads on the drill head 210 of the threaded drill 20, the first threaded pipe 110 is sleeved on the outer side of the second threaded pipe 120 and is in threaded connection with the second threaded pipe 120, and the second threaded pipe 120 is also used for being fixedly connected with a drill rod 220 of the threaded drill 20.
Specifically, in the present embodiment, both the first threaded pipe 110 and the second threaded pipe 120 may be steel pipes made of high-strength steel. The pitch and size of the internal thread on the inner surface of the first threaded pipe 110 and the pitch and size of the external thread on the outer surface of the second threaded pipe 120 are matched, and can be specifically set according to actual needs. The second threaded pipe 120 and the drill rod 220 may be fixed by any suitable means, and typically, may be fixed by a detachable connection for easy installation and removal.
In use, the first threaded pipe 110 may be secured with an external device to prevent its movement; the second threaded pipe 120 is fixed inside the first threaded pipe 110 by means of a threaded connection, and the drill rod 220 vertically passes through the second threaded pipe 120 and then is fixedly connected to the second threaded pipe 120. During drilling operation, the drill rod 220 rotates to drive the drill bit 210 to move downwards, and meanwhile, as the drill rod 220 is fixedly connected with the second threaded pipe 120, the drill rod 220 drives the second threaded pipe 120 to rotate together; because the second threaded pipe 120 is in threaded fit with the first threaded pipe 110, and the thread direction of the second threaded pipe 120 and the first threaded pipe 110 is opposite to the thread direction of the drill bit 210, the second threaded pipe 120 provides an upward reactive lifting force for the drill rod 220, so that the operator can conveniently lift the drill rod 220, and the difficulty in lifting is reduced.
The device can save the lifting time of the threaded drill and improve the working efficiency. In addition, the device can also improve the drilling depth of the threaded drill, thereby avoiding the work of replacing the mechanical drill for drilling and avoiding the waste of workload.
The embodiment of the application rotates in the direction of the screw thread when the threaded drill is lifted upwards, and the problems that joints between the drill bit 210 and the drill rod 220 and between the adjacent drill rod 220 and the drill rod 220 are loosened and fall off can be avoided when the threaded drill is lifted.
This embodiment can be carried out with the help of external instrument when rotating the auger bit, and external instrument is for example parts such as breakout tongs, and the breakout tongs has bayonet of adjustable size, and the bayonet inboard sets up the steel tooth to the stability of reinforcing connection.
Referring to fig. 1, optionally, in the present embodiment, the second threaded pipe 120 is sleeved on the outside of the drill rod 220, and the second threaded pipe 120 is connected to the drill rod 220 by the fastener 130.
Preferably, FIG. 6 is a schematic view of the outer side of the slips provided by an embodiment of the present application; FIG. 7 is a schematic view of the inside of a slip as provided by an embodiment of the present application; please refer to fig. 6-7. In this embodiment, the fastening element 130 is a slip, the slip is inserted between the second threaded pipe 120 and the boring bar 220 to make the second threaded pipe 120 and the boring bar 220 have an interference fit, and an arc-shaped steel tooth is disposed on one side of the slip facing the boring bar 220.
Furthermore, the projection of the slip on the vertical section is wedge-shaped, and the projection of the slip on the cross section is arc-shaped; i.e., the slips are contoured to conform to the inner surface of the second threaded pipe 120.
Optionally, in the present embodiment, a plurality of fastening members 130 may be disposed between the second threaded pipe 120 and the drill rod 220, and the plurality of fastening members 130 are uniformly distributed along the circumferential direction of the second threaded pipe 120.
In order to fix the first threaded pipe 110, the present embodiment further includes a bracket 140 for supporting the first threaded pipe 110, and the first threaded pipe 110 is fixed to the bracket.
FIG. 8 is a simplified structural diagram of a stent according to an embodiment of the present application; please refer to fig. 8. Alternatively, the bracket 140 has a prism shape, and the first threaded pipe 110 is fixedly disposed at the middle of the bracket 140.
The bracket 140 includes:
a first plane including a plurality of first bars 141 connected end to end;
a second plane disposed opposite to the first plane, the second plane including a plurality of second rod members 142 connected end to end;
a plurality of third bars 143, both ends of the third bars 143 being connected to the first plane and the second plane, respectively;
a plurality of fourth bar members 144, one end of the fourth bar members 144 being connected to the first plane, and the other end thereof being connected to the first threaded pipe 110;
and a plurality of fifth pins 145, one end of the fifth pins 145 being connected to the second plane and the other end being connected to the first threaded pipe 110.
In this embodiment, the first plane is similar to the second plane, and the area of the second plane is larger than that of the first plane, so as to provide a stable supporting force. The two ends of the third rod 143 are respectively connected to the intersection point of two adjacent first rods 141 and the intersection point of two corresponding adjacent second rods 142.
Alternatively, the first threaded pipe 110 may be fixed to the bracket 140 by means of a welded connection. The bracket 140 can be formed by welding steel bars, the steel bars are HPB235 and above steel bars, and the diameter is not less than 20 mm. Of course, it will be apparent to those skilled in the art that the bracket 140 may be made of any suitable material such as steel pipe, steel plate, etc.
In the description of the present application, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. A thread drill assisting device for use with a thread drill for performing drilling operations, comprising:
the inner surface of the first threaded pipe is provided with internal threads, and the rotating direction of the internal threads is opposite to that of the threads on the drill bit of the threaded drill;
the second screwed pipe, the surface of second screwed pipe is equipped with the external screw thread, the soon of external screw thread to with the spiral of the screw thread on the drill bit of screw drill is opposite, first screwed pipe cover is established the outside of second screwed pipe and with second screwed pipe threaded connection, the second screwed pipe still be used for with the drilling rod fixed connection that the screw thread bored.
2. The thread drill auxiliary device according to claim 1, wherein the second threaded pipe is sleeved on the outer side of the drill rod, and the second threaded pipe is connected with the drill rod through a fastener.
3. The thread drilling aid as claimed in claim 2, wherein the fastener is a slip inserted between the second threaded pipe and the drill rod to cause the second threaded pipe to be in interference fit with the drill rod, and an arc-shaped steel tooth is provided on a side of the slip facing the drill rod.
4. The apparatus of claim 3, wherein the slips are wedge-shaped in vertical cross-section and arc-shaped in cross-section.
5. The thread drilling aid as claimed in claim 2, wherein a plurality of said fasteners are provided between said second threaded pipe and said drill rod, said plurality of said fasteners being evenly distributed along a circumference of said second threaded pipe.
6. The thread drill assisting device according to any one of claims 1 to 5, further comprising a bracket for supporting the first threaded pipe, the first threaded pipe being fixed to the bracket.
7. The thread drilling aid of claim 6, wherein the holder is prism-shaped, and the first threaded tube is fixedly disposed in a middle portion of the holder.
8. The thread drill assisting device according to claim 7, wherein the bracket includes:
a first plane comprising a plurality of first rods connected end to end;
a second plane, the second plane being opposite to the first plane, the second plane comprising a plurality of second rod members connected end to end;
a plurality of third rod pieces, wherein two ends of each third rod piece are respectively connected with the first plane and the second plane;
a plurality of fourth rod pieces, one end of each fourth rod piece is connected with the first plane, and the other end of each fourth rod piece is connected with the first threaded pipe;
and one end of each fifth rod piece is connected with the second plane, and the other end of each fifth rod piece is connected with the first threaded pipe.
9. The thread drilling aid as claimed in claim 8, wherein the first plane is similar to the second plane, the area of the second plane is larger than that of the first plane, and the two ends of the third rod are connected to the intersection point of two adjacent first rods and the intersection point of two corresponding adjacent second rods.
10. The thread drill aid of claim 9, wherein the first threaded tube is welded to the bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021619806.6U CN213360014U (en) | 2020-08-06 | 2020-08-06 | Auxiliary device for threaded drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021619806.6U CN213360014U (en) | 2020-08-06 | 2020-08-06 | Auxiliary device for threaded drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213360014U true CN213360014U (en) | 2021-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021619806.6U Active CN213360014U (en) | 2020-08-06 | 2020-08-06 | Auxiliary device for threaded drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213360014U (en) |
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2020
- 2020-08-06 CN CN202021619806.6U patent/CN213360014U/en active Active
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