CN215169750U - Connecting structure of guide rod and guide drill bit - Google Patents
Connecting structure of guide rod and guide drill bit Download PDFInfo
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- CN215169750U CN215169750U CN202121814874.2U CN202121814874U CN215169750U CN 215169750 U CN215169750 U CN 215169750U CN 202121814874 U CN202121814874 U CN 202121814874U CN 215169750 U CN215169750 U CN 215169750U
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Abstract
The utility model provides a connecting structure of a guide rod and a guide drill bit, which comprises the guide rod and the guide drill bit, wherein the guide drill bit comprises a first blade, a second blade, a first movable rod, a second movable rod and a connecting column, one end of the first movable rod is hinged with the first blade, the other end of the first movable rod is hinged with the upper end of the connecting column, one end of the second movable rod is hinged with the second blade, the other end of the second movable rod is hinged with the upper end of the connecting column, a first connecting rod is fixedly connected on the first blade, a second connecting rod is fixedly connected on the second blade, more than two first through holes are arranged on the first connecting rod, a first groove is arranged at one end of the second connecting rod, a second through hole communicated with the first groove is arranged at the top of the second connecting rod, one end of the first connecting rod extends into the first groove, more than two third through holes are arranged on the connecting column, a second groove is arranged at the upper end of the guide rod, the bottom of the second groove is provided with a third groove. The utility model discloses can adjust the pilot bit size.
Description
Technical Field
The utility model relates to a push pipe construction technical field, concretely relates to connection structure of guide bar and direction drill bit.
Background
The pipe-jacking construction is a non-excavation construction method, and is a pipeline burying construction technology without excavation or with few excavations. The pipe jacking construction is that the friction force between the pipeline and the surrounding soil is overcome by means of the jacking force generated by jacking equipment in a working well, the pipeline is jacked into the soil according to the designed gradient, and earthwork is transported away. After one section of pipe is pushed into the soil layer, the second section of pipe is pushed into the soil layer continuously. The principle is that by means of the thrust of the main jacking oil cylinder, the thrust between pipelines, the thrust between relays and the like, a tool pipe or a heading machine is pushed from a working well through a soil layer until the tool pipe or the heading machine is hoisted in a receiving well. The pipeline is buried between two wells after following the tool pipe or the heading machine.
In the pipe jacking construction, a guide drill bit and a guide rod need to be connected, the guide rod is driven into the soil through the guide drill bit, the traditional guide drill bit and guide rod are complex in disassembly and assembly steps, and the guide drill bit cannot adjust the size.
SUMMERY OF THE UTILITY MODEL
To the technical problem mentioned above, the utility model aims at providing a connection structure of guide bar and pilot bit, for solving above-mentioned technical problem, the utility model discloses a following technical scheme realizes:
a connecting structure of a guide rod and a guide drill bit comprises the guide rod and the guide drill bit, wherein the guide drill bit comprises a first blade, a second blade, a first movable rod, a second movable rod and a connecting column;
a first connecting rod is fixedly connected to the first blade, a second connecting rod is fixedly connected to the second blade, more than two first through holes are formed in the first connecting rod, a first groove is formed in one end of the second connecting rod, a second through hole communicated with the first groove is formed in the top of the second connecting rod, one end of the first connecting rod extends into the first groove, a first screw sequentially penetrates through the second through hole and one of the first through holes to enable the first connecting rod to be connected with the second connecting rod, and more than two third through holes are formed in the connecting rod;
the upper end of the guide rod is provided with a second groove, the bottom of the second groove is provided with a third groove,
the first blade and the second blade are arranged in the second groove, the connecting column is inserted into the third groove, a fourth through hole is formed in the side wall of the connecting column, the fourth through hole is communicated with the third groove, and the second screw penetrates through the fourth through hole and one of the third through holes in sequence.
Advantageously, the first connecting rod outer diameter is equal to the diameter of the first groove.
Advantageously, the connecting stud outer diameter is equal to the diameter of the third groove.
Advantageously, both the first blade and the second blade are made mainly of steel.
Advantageously, the first blade and the second blade are each shaped as a right triangle.
The utility model discloses it does to have following beneficial effect:
the size of the guide drill bit can be conveniently adjusted through the first movable rod, the second movable rod, the first connecting rod and the second connecting rod, and the guide rod and the guide drill bit can be quickly disassembled and assembled through the connecting column and the second screw.
Drawings
The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.
Fig. 1 is a schematic structural view of a connection structure of a guide rod and a pilot bit according to the present invention;
FIG. 2 is an enlarged view of the present invention at A in FIG. 1;
fig. 3 is a top view of the guide bar of the present invention.
Reference numerals: the cutting blade comprises a guide rod 1, a first blade 2, a second blade 3, a connecting column 4, a first movable rod 5, a second movable rod 6, a first connecting rod 7, a second connecting rod 8, a first through hole 9, a first groove 10, a second through hole 11, a first screw 12, a third through hole 13, a fourth through hole 14, a second groove 15, a second screw 16 and a third groove 17.
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.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected to the inside of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 1-3, a connecting structure of a guide rod and a guide drill bit comprises a guide rod 1 and a guide drill bit, wherein the guide drill bit comprises a first blade 2, a second blade 3, a first movable rod 5, a second movable rod 6 and a connecting column 4, one end of the first movable rod 5 is hinged with the first blade 2, the other end of the first movable rod 5 is hinged with the upper end of the connecting column 4, one end of the second movable rod 6 is hinged with the second blade 3, and the other end of the second movable rod 6 is hinged with the upper end of the connecting column 4;
a first connecting rod 7 is fixedly connected to the first blade 2, a second connecting rod 8 is fixedly connected to the second blade 3, more than two first through holes 9 are formed in the first connecting rod 7, a first groove 10 is formed in one end of the second connecting rod 8, a second through hole 11 communicated with the first groove 10 is formed in the top of the second connecting rod 8, one end of the first connecting rod 7 extends into the first groove 10, a first screw 12 sequentially penetrates through the second through hole 11 and one of the first through holes 9 to enable the first connecting rod 7 to be connected with the second connecting rod 8, and more than two third through holes 13 are formed in the connecting column 4;
the upper end of the guide rod 1 is provided with a second groove 15, the bottom of the second groove 15 is provided with a third groove 17,
the first blade 2 and the second blade 3 are arranged in the second groove 15, the connecting column 4 is inserted into the third groove 17, a fourth through hole 14 is formed in the side wall of the connecting column 4, the fourth through hole 14 is communicated with the third groove 17, and the second screw 16 sequentially penetrates through the fourth through hole 14 and one of the third through holes 13.
In an alternative embodiment of the present invention, the outer diameter of the first connecting rod 7 is equal to the diameter of the first groove 10.
In an alternative embodiment of the present invention, the outer diameter of the connecting column 4 is equal to the diameter of the third groove 17.
In an alternative embodiment according to the present invention, both the first blade 2 and the second blade 3 are mainly made of steel.
In an alternative embodiment of the present invention, the first blade 2 and the second blade 3 are both shaped as right triangles.
The implementation process comprises the following steps: can reciprocate spliced pole 4 according to the construction demand of reality, rethread second recess 16 is fixed spliced pole 4 on guide bar 1, fixes head rod 7 and second connecting rod 8 through first screw 12, and when spliced pole 4 up moved, first blade 2 and second blade 3 can the theory each other to make the grow of guide bit size, on the contrary, when spliced pole 4 down moved, the guide bit size diminishes.
When the guide rod 1 and the guide drill bit are disassembled, only the first screw 12 and the second screw 16 need to be disassembled, and the operation is convenient and fast.
The utility model discloses a first movable rod 5, second movable rod 6, head rod 7 and second connecting rod 8 make the pilot bit realize that the size can conveniently be adjusted, realize the swift dismouting of guide bar 1 and pilot bit through spliced pole 4 and second screw 16.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (5)
1. A connecting structure of a guide rod and a guide drill bit is characterized by comprising the guide rod (1) and the guide drill bit, wherein the guide drill bit comprises a first blade (2), a second blade (3), a first movable rod (5), a second movable rod (6) and a connecting column (4), one end of the first movable rod (5) is hinged with the first blade (2), the other end of the first movable rod (5) is hinged with the upper end of the connecting column (4), one end of the second movable rod (6) is hinged with the second blade (3), and the other end of the second movable rod (6) is hinged with the upper end of the connecting column (4);
a first connecting rod (7) is fixedly connected to the first blade (2), a second connecting rod (8) is fixedly connected to the second blade (3), more than two first through holes (9) are formed in the first connecting rod (7), a first groove (10) is formed in one end of the second connecting rod (8), a second through hole (11) communicated with the first groove (10) is formed in the top of the second connecting rod (8), one end of the first connecting rod (7) extends into the first groove (10), a first screw (12) sequentially penetrates through the second through hole (11) and one of the first through holes (9) to enable the first connecting rod (7) to be connected with the second connecting rod (8), and more than two third through holes (13) are formed in the connecting column (4);
the upper end of the guide rod (1) is provided with a second groove (15), the bottom of the second groove (15) is provided with a third groove (17),
in second recess (15) were all arranged in to first blade (2) and second blade (3), spliced pole (4) inserted in third recess (17), fourth through-hole (14) have been seted up to spliced pole (4) lateral wall, fourth through-hole (14) intercommunication third recess (17), second screw (16) pass fourth through-hole (14) and one of them third through-hole (13) in proper order.
2. A guide rod and guide bit connection according to claim 1, characterized in that the outer diameter of the first connecting rod (7) is equal to the diameter of the first recess (10).
3. A guide rod and pilot bit connection according to claim 2, characterized in that the outer diameter of the connection post (4) is equal to the diameter of the third recess (17).
4. A guide rod and pilot bit attachment structure as claimed in claim 3, wherein said first blade (2) and said second blade (3) are both made of steel.
5. A guide rod and pilot bit attachment as claimed in claim 4, wherein said first blade (2) and said second blade (3) are each in the shape of a right triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121814874.2U CN215169750U (en) | 2021-08-03 | 2021-08-03 | Connecting structure of guide rod and guide drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121814874.2U CN215169750U (en) | 2021-08-03 | 2021-08-03 | Connecting structure of guide rod and guide drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215169750U true CN215169750U (en) | 2021-12-14 |
Family
ID=79406166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121814874.2U Active CN215169750U (en) | 2021-08-03 | 2021-08-03 | Connecting structure of guide rod and guide drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215169750U (en) |
-
2021
- 2021-08-03 CN CN202121814874.2U patent/CN215169750U/en active Active
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