CN211648021U - Lifting lug and baffle ring connecting structure, rotary drilling rig drill rod and rotary drilling rig - Google Patents
Lifting lug and baffle ring connecting structure, rotary drilling rig drill rod and rotary drilling rig Download PDFInfo
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- CN211648021U CN211648021U CN202020216843.6U CN202020216843U CN211648021U CN 211648021 U CN211648021 U CN 211648021U CN 202020216843 U CN202020216843 U CN 202020216843U CN 211648021 U CN211648021 U CN 211648021U
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- lifting lug
- baffle ring
- hole
- rod
- pin shaft
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Abstract
The utility model discloses a lifting lug and baffle ring connecting structure, a rotary drilling rig drill rod and a rotary drilling rig, wherein the lifting lug and baffle ring connecting structure comprises a lifting lug, a baffle ring, a fourth rod and a connecting piece; the lifting lug is arranged at the end part of the fourth section rod, and the lifting lug and the fourth section rod are fixed together; the baffle ring is arranged on the outer wall of the fourth section rod and the outer wall of the lifting lug, and the baffle ring is connected with the lifting lug through the connecting piece, so that the stress mode of the lifting lug during working is changed into the stress mode of the connecting piece. The utility model discloses simple structure, reliable practical changes the during operation atress mode into round pin axle atress and need not weld the dog on the lug, has avoided lug department to cause the accident of fracture initiation because of the welding.
Description
Technical Field
The utility model relates to a dig the rig drilling rod soon, especially related to a lug and kept off connection structure of ring belongs to engineering technical field.
Background
The rotary drilling rig is mechanical equipment for constructing an earth-taking and hole-forming cast-in-place pile, and is matched with a drill rod and a drilling tool to perform construction operation. The drilling rod is the necessary supporting tool of rotary drilling rig construction, in the construction, can produce the impact force along with stretching out of each section drilling rod to still often can appear pounding the phenomenon of pole owing to reasons such as operation, pounding the impact force that the pole produced very big, lug department is because the reason of welding dog, breaks easily in welding seam department when receiving the impact, leads to the drilling rod to fall in the hole, influences the construction progress, causes economic loss.
The drill rod lifting lug of the existing rotary drilling rig is mostly a flat block with a certain thickness, the fourth rod steel pipe is embedded into the rod body in a slotting part, four stop blocks are welded on the upper surface and the lower surface of the lifting lug, and a baffle is arranged between the stop blocks and the rod body to fix the peripheral stop ring of the rod body. Because the welding of dog, easily produce stress concentration in the welding department, because strike can break off at the lug welding department in the work progress, lead to whole drilling rod to fall into the hole and cause the accident.
Disclosure of Invention
According to prior art's not enough, the utility model provides a lug, fender ring connection structure effectively avoid because the part fracture that the welding leads to and the accident that causes.
The utility model discloses realize according to following technical scheme:
a connecting structure of a lifting lug and a baffle ring comprises the lifting lug, the baffle ring, a fourth rod and a connecting piece; the lifting lug is arranged at the end part of the fourth section rod, and the lifting lug and the fourth section rod are fixed together; the baffle ring is arranged on the outer wall of the fourth section rod and the outer wall of the lifting lug, and the baffle ring is connected with the lifting lug through the connecting piece, so that the stress mode of the lifting lug during working is changed into the stress mode of the connecting piece.
Furthermore, the connecting piece is a pin shaft, and the pin shaft penetrates through the baffle ring and the lifting lug to be connected.
Furthermore, the upper part of the lifting lug is flat, and the lower part of the lifting lug is a cylinder; a through hole is formed in the upper flat part, and a pin shaft through hole I is formed in the radial surface of the lower cylinder; a pin shaft through hole II is formed in the radial surface of the baffle ring; the pin shaft penetrates through the pin shaft through hole I and the pin shaft through hole II to connect the baffle ring and the lifting lug.
Furthermore, an elastic pin through hole I is formed in the radial surface of the lower cylinder; an elastic pin through hole II is formed in the radial surface of the baffle ring; an elastic pin through hole III is formed in the pin shaft; the elastic pin penetrates through the elastic pin through hole I, the elastic pin through hole II and the elastic pin through hole III to connect the lifting lug, the baffle ring and the pin shaft, so that the pin shaft is prevented from moving.
Further, the outermost side diameter of the lifting lug is the same as the outer diameter of the fourth rod.
Furthermore, the inner diameter of the baffle ring is slightly larger than the outer diameter of the fourth section rod.
Furthermore, a welding groove is formed in the bottom of the lifting lug, and the bottom surface of the lifting lug is welded with the end of the fourth section rod.
A rotary drilling rig drill rod comprises the lifting lug and the baffle ring connecting structure.
Further, the drill rod of the rotary drilling rig comprises a mechanical locking type drill rod and a friction type drill rod.
A rotary drilling rig comprises the drill rod of the rotary drilling rig.
The utility model discloses beneficial effect:
the utility model discloses simple structure, reliable practical changes the during operation atress mode into round pin axle atress and need not weld the dog on the lug, has avoided lug department to cause the accident of fracture initiation because of the welding.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a structural diagram of an embodiment of a connecting structure of a lifting lug and a baffle ring of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is an assembly view of the connecting structure of the lifting lug and the baffle ring;
figure 4 is a cross-sectional view of a lifting lug;
fig. 5 is a cross-sectional view of the retainer ring.
Detailed Description
In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to perform more detailed description on the technical solution in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. 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. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
The drill rod lifting lug of the existing rotary drilling rig is mostly a flat block with a certain thickness, the fourth rod steel pipe is embedded into the rod body in a slotting part, four stop blocks are welded on the upper surface and the lower surface of the lifting lug, and a baffle is arranged between the stop blocks and the rod body to fix the peripheral stop ring of the rod body. Because the welding of dog, easily produce stress concentration in the welding department, because strike can break off at the lug welding department in the work progress, lead to whole drilling rod to fall into the hole and cause the accident. Therefore, the utility model provides a lug, fender ring connection structure effectively avoid because the part fracture that the welding leads to and the accident that causes. The specific scheme is as follows:
as shown in fig. 1 and 2, a lifting lug and baffle ring connecting structure comprises a lifting lug 1, a baffle ring 2, a fourth rod 3 and a connecting piece; the lifting lug 1 is arranged at the end part of the fourth rod 3, and the lifting lug and the fourth rod are fixed together; the baffle ring 2 is arranged on the outer wall of the fourth rod 3 and the outer wall of the lifting lug 1, and the baffle ring 2 is connected with the lifting lug 1 through a connecting piece, so that the stress mode of the lifting lug 1 in the working process is changed into the stress mode of the connecting piece.
With continued reference to fig. 1 and 2, the connecting member is a pin 4, and the pin 4 passes through the baffle ring 2 and the lifting lug 1 for connection.
As shown in fig. 4 and 5, the upper part of the lifting lug 1 is flat, and the lower part is a cylinder; a through hole 101 is formed in the upper flat part, and a pin shaft through hole I102 is formed in the radial surface of the lower cylinder; a pin shaft through hole II 104 is formed in the radial surface of the baffle ring 2; the pin shaft 4 penetrates through the pin shaft through hole I102 and the pin shaft through hole II 104 to connect the baffle ring 2 and the lifting lug 1.
Continuing to refer to fig. 3 and 4, an elastic pin through hole I103 is further formed on the radial surface of the lower cylinder; an elastic pin through hole II 105 is formed in the radial surface of the baffle ring 2; an elastic pin through hole III is formed in the pin shaft 4; the elastic pin 5 penetrates through the elastic pin through hole I103, the elastic pin through hole II 105 and the elastic pin through hole III to connect the lifting lug 1, the baffle ring 2 and the pin shaft 4, so that the pin shaft 4 is prevented from moving.
The outer diameter of the lower cylinder is the same as the outer diameter of the fourth rod 3. The inner diameter of the baffle ring 2 is slightly larger than the outer diameter of the fourth section rod 3.
Further scheme: the bottom of the lower cylinder is provided with a welding bevel 6, and the bottom surface of the lifting lug 1 is welded with the end part of the fourth rod 3.
During installation, the lifting lug 1 is welded to the top end of the fourth section rod 3, the rod body provided with the lifting lug 1 is arranged in the front three section rod according to the drawing shown in figure 3, the baffle ring 2 is sleeved into the fourth section rod 3 and the top end of the lifting lug 1, the pin shaft through hole II corresponds to the pin shaft through hole I in the lifting lug 1, then the baffle ring 3 and the lifting lug 2 are fixed through the connecting pin shaft 4, and finally the elastic pin 5 is inserted to prevent the pin shaft 4 from moving.
The utility model also provides a dig rig drilling rod soon, including foretell lug, fender ring connection structure. The drill rod of the rotary drilling rig comprises a mechanical lock type drill rod and a friction type drill rod.
The utility model also provides a dig the rig soon, including foretell dig the rig drilling rod soon.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (10)
1. The utility model provides a lug, fender ring connection structure which characterized in that: the lifting lug, the baffle ring, the fourth section rod and the connecting piece are included;
the lifting lug is arranged at the end part of the fourth section rod, and the lifting lug and the fourth section rod are fixed together;
the baffle ring is arranged on the outer wall of the fourth section rod and the outer wall of the lifting lug, and the baffle ring is connected with the lifting lug through the connecting piece, so that the stress mode of the lifting lug during working is changed into the stress mode of the connecting piece.
2. The shackle, baffle ring connection structure as defined by claim 1, wherein: the connecting piece is a pin shaft which penetrates through the baffle ring and the lifting lug to be connected.
3. The shackle, baffle ring connection structure as defined by claim 2, wherein: the upper part of the lifting lug is flat, and the lower part of the lifting lug is a cylinder; a through hole is formed in the upper flat part, and a pin shaft through hole I is formed in the radial surface of the lower cylinder;
a pin shaft through hole II is formed in the radial surface of the baffle ring;
the pin shaft penetrates through the pin shaft through hole I and the pin shaft through hole II to connect the baffle ring and the lifting lug.
4. A shackle and shackle connecting structure as claimed in claim 3, wherein: an elastic pin through hole I is further formed in the radial surface of the lower cylinder; an elastic pin through hole II is formed in the radial surface of the baffle ring; an elastic pin through hole III is formed in the pin shaft;
the elastic pin penetrates through the elastic pin through hole I, the elastic pin through hole II and the elastic pin through hole III to connect the lifting lug, the baffle ring and the pin shaft, so that the pin shaft is prevented from moving.
5. The shackle, baffle ring connection structure as defined by claim 1, wherein: the outermost side diameter of the lifting lug is the same as the outer diameter of the fourth section rod.
6. The shackle, baffle ring connection structure as defined by claim 1, wherein: the inner diameter of the baffle ring is slightly larger than the outer diameter of the fourth section rod.
7. The shackle, baffle ring connection structure as defined by claim 1, wherein: and a welding groove is formed at the bottom of the lifting lug, and the bottom surface of the lifting lug is welded with the end part of the fourth section rod.
8. The utility model provides a dig rig drilling rod soon which characterized in that: the lifting lug and baffle ring connecting structure as claimed in any one of claims 1 to 7.
9. The drill rod of the rotary drilling rig according to claim 8, wherein: the drill rod of the rotary drilling rig comprises a mechanical locking type drill rod and a friction type drill rod.
10. A rotary drilling rig is characterized in that: comprising the rotary drilling rig drill rod of claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020216843.6U CN211648021U (en) | 2020-02-27 | 2020-02-27 | Lifting lug and baffle ring connecting structure, rotary drilling rig drill rod and rotary drilling rig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020216843.6U CN211648021U (en) | 2020-02-27 | 2020-02-27 | Lifting lug and baffle ring connecting structure, rotary drilling rig drill rod and rotary drilling rig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211648021U true CN211648021U (en) | 2020-10-09 |
Family
ID=72685700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020216843.6U Active CN211648021U (en) | 2020-02-27 | 2020-02-27 | Lifting lug and baffle ring connecting structure, rotary drilling rig drill rod and rotary drilling rig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211648021U (en) |
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2020
- 2020-02-27 CN CN202020216843.6U patent/CN211648021U/en active Active
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