CN214221106U

CN214221106U - Special guide sleeve for drill rod

Info

Publication number: CN214221106U
Application number: CN202023299952.8U
Authority: CN
Inventors: 苏玉
Original assignee: Xuzhou Yiou Heavy Industry Machinery Co ltd
Current assignee: Xuzhou Yiou Heavy Industry Machinery Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-17
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to a drilling rod technical field specifically indicates a dedicated uide bushing of drilling rod, including the uide bushing body, the uide bushing body sets up between connection pad and the interior drilling rod of square head end, the uide bushing body is including deflector and the stand pipe that links together, deflector and stand pipe axle center department are equipped with the direction through-hole, the deflector is contradicted in the connection pad, stand pipe one end welds in interior drilling rod, the stand pipe evenly is provided with a plurality of breachs with the link of interior drilling rod. The utility model, through the combined action with the connecting disc, avoids the problem of easy fracture when the drill pipe body and the square head are directly welded; additionally, the utility model discloses a plate-like setting of positioning disk and connection pad can alleviate the atress of square head, reaches the effect of protection square head, improves the life of square head.

Description

Special guide sleeve for drill rod

Technical Field

The utility model relates to a drilling rod technical field specifically indicates a dedicated uide bushing of drilling rod.

Background

The drill rod is mainly applied to the process of drilling underground during the construction of large-scale foundation arrangement. The mechanical locking type drill rod is one of the mechanical locking type drill rods, the square head is connected with a drill rod pipe body in a welding mode at present, so that the problem that the square head and the drill rod pipe body are broken due to large stress is generally caused in the using process, the service life of the square head is influenced, and the construction efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome the defect of above-mentioned technique, provide a dedicated uide bushing of drilling rod.

The utility model provides a dedicated uide bushing of drilling rod, includes the uide bushing body, the uide bushing body sets up between connection pad and the interior drilling rod of square head end, the uide bushing body is including deflector and the stand pipe that links together, deflector and stand pipe axle center department are equipped with the direction through-hole, the deflector is contradicted in the connection pad, stand pipe one end welds in interior drilling rod, the stand pipe evenly is provided with a plurality of breachs with the link of interior drilling rod.

Further, the number of the notches is not less than 3.

Furthermore, the uide bushing body adopts wear-resisting metal material preparation.

Further, the guide plate can be connected with the connecting disc in a welding mode.

The utility model discloses the advantage: the utility model, through the combined action with the connecting disc, avoids the problem of easy fracture when the drill pipe body and the square head are directly welded; additionally, the utility model discloses a plate-like setting of positioning disk and connection pad can alleviate the atress of square head, reaches the effect of protection square head, improves the life of square head.

Drawings

Fig. 1 is a first perspective view of a guide sleeve specially used for a drill rod according to the present invention;

fig. 2 is a second perspective view of the guide sleeve specially used for the drill rod of the present invention;

fig. 3 is a schematic view of the guide sleeve special for the drill rod.

As shown in the figure: 1. a guide sleeve body; 2. a square head; 3. a connecting disc; 4. an inner drill rod; 101. a guide plate; 102. a guide tube; 103. a guide through hole; 104. and (4) a notch.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 3, a dedicated uide bushing of drilling rod, including uide bushing body 1, uide bushing body 1 sets up between connection pad 3 and the interior drilling rod 4 of square head 2 end, uide bushing body 1 is including deflector 101 and stand pipe 102 that link together, deflector 101 and stand pipe 102 axle center department are equipped with direction through-hole 103, deflector 101 contradicts in connection pad 3, stand pipe 102 one end welds in interior drilling rod 4, the link of stand pipe 102 and interior drilling rod 4 evenly is provided with 3 breach 104, uide bushing body 1 adopts wear-resisting metal material preparation, and wherein the setting of breach 104 also makes things convenient for clearance and drainage effect in the uide bushing body 1 after the butt joint.

The guide plate 101 may be connected to the connecting plate 3 by soldering.

The utility model is used for the drilling rod, in the drilling rod working process, square head 2, connection pad 3, uide bushing body 1 are connected with interior drilling rod 4 to cup joint damping device in the uide bushing body 1 outside, and connect other annex of drilling rod in other relevant positions can, because the plate-like design of deflector 101 and connection pad 3 in the use, can effectively reduce the effort of whole drilling rod to square head 2, effectively improve square head 2's life, help improving the efficiency of construction indirectly.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The special guide sleeve for the drill rod is characterized in that: including uide bushing body (1), uide bushing body (1) sets up between connection pad (3) and interior drilling rod (4) of square head (2) end, uide bushing body (1) is including deflector (101) and stand pipe (102) that link together, deflector (101) and stand pipe (102) axle center department are equipped with direction through-hole (103), deflector (101) are contradicted in connection pad (3), stand pipe (102) one end welds in interior drilling rod (4), stand pipe (102) evenly is provided with a plurality of breachs (104) with the link of interior drilling rod (4).

2. The guide sleeve special for the drill rod as claimed in claim 1, wherein: the number of the notches (104) is not less than 3.

3. The guide sleeve special for the drill rod as claimed in claim 1, wherein: the guide sleeve body (1) is made of wear-resistant metal materials.

4. The guide sleeve special for the drill rod as claimed in claim 1, wherein: the guide plate (101) can be connected with the connecting disc (3) in a welding mode.