CN214787223U

CN214787223U - Horizontal directional drilling rod with strong torque

Info

Publication number: CN214787223U
Application number: CN202120905398.9U
Authority: CN
Inventors: 罗宏利; 陈维彬; 甘芷华; 谭耀华
Original assignee: Foshan Huachanneng Gas Design Co ltd
Current assignee: Foshan Huachanneng Gas Design Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-11-19
Anticipated expiration: 2031-04-28

Abstract

The utility model discloses a horizontal directional drilling rod with strong torque, which comprises a rod body and a joint part arranged at the end part of the rod body; the joint part is provided with a threaded connection structure and a torque reinforcement, the threaded connection structure is an external thread or an internal thread, and the torque reinforcement is arranged on the circumferential surface of the joint part; the torque reinforcing parts on the two drill rods to be connected are correspondingly arranged in a staggered mode, and when the two drill rods are connected, the torque reinforcing parts on the two drill rods are matched and abutted tightly to prevent slipping. The utility model discloses a drilling rod passes through the setting of moment of torsion reinforcement, realizes behind two drilling rod butt joints cooperations, carries on spacingly to the rotation of two drilling rods to prevent that the connection position of two drilling rods from skidding or damaging, effectively improve moment of torsion intensity, thereby the great geology of adaptation intensity need not to change the main equipment, is favorable to ensureing going on smoothly of construction process, reduce cost.

Description

Horizontal directional drilling rod with strong torque

Technical Field

The utility model relates to a horizontal directional drill, concretely relates to horizontal directional drilling rod of strong moment of torsion.

Background

The horizontal directional drilling machine is a construction machine for laying various underground utilities (pipelines, cables and the like) under the condition of not excavating the ground surface, is widely applied to the laying construction of flexible pipelines of water supply, electric power, telecommunication, natural gas, petroleum and the like, and is particularly suitable for the ground conditions of sandy soil, clay and the like. Aiming at different construction requirements, the length requirements of the drill rods of the horizontal directional drilling machine are different, and in order to improve the adaptation flexibility, a connecting structure is generally arranged at the end parts of the drill rods, so that the two drill rods can be mounted and dismounted conveniently. In the prior art, the end parts of two drill rods are detachably connected through a threaded connection structure so as to conveniently lengthen or shorten the total length of the drill rods at any time, but the connection structure between the two drill rods is easy to slip and cannot smoothly carry out drilling construction due to the fact that the torque borne by the drill rods is large when a horizontal directional drilling machine works, and particularly under the condition of large geological hardness; in view of the above circumstances, the general method is to directly replace a larger-tonnage horizontal directional drilling machine and a drill rod, but such a treatment method is obviously complicated and tedious, and the replacement of construction equipment has a great influence on the construction progress and the construction cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome prior art's is not enough, provides a horizontal directional drilling rod of strong moment of torsion, and this drilling rod is convenient for connect, and can bear great moment of torsion to adapt to the geological construction of strong hardness.

The purpose of the utility model is realized through the following technical scheme:

a horizontal directional drilling rod with strong torque comprises a rod body and a joint part arranged at the end part of the rod body; the connector is characterized in that a threaded connection structure and a torque reinforcement piece are arranged on the connector part, the threaded connection structure is an external thread or an internal thread, and the torque reinforcement piece is arranged on the circumferential surface of the connector part; the torque reinforcing parts on the two drill rods to be connected are correspondingly arranged in a staggered mode, and when the two drill rods are connected, the torque reinforcing parts on the two drill rods are matched and abutted tightly to prevent slipping.

The working principle of the horizontal directional drilling rod with strong torque is as follows:

when two drill rods are required to be connected, the drill rod with the joint part provided with external threads and the drill rod with the joint part provided with internal threads are connected in a matched mode, and the two drill rods are detachably connected through a threaded connection structure; simultaneously, the moment of torsion reinforcement on two drilling rods after accomplishing the connection supports tightly each other, and when two drilling rods accomplished the assembly through threaded connection structure promptly, the moment of torsion reinforcement on two drilling rods then supports tightly together each other just, prevents two drilling rod transitional fitting, can prevent simultaneously that the threaded connection structure between two drilling rods from damaging and leading to skidding when creeping into the construction, is favorable to improving the moment of torsion between two drilling rods to realize the stronger geology of machining hardness.

The utility model discloses a preferred scheme, threaded connection structure is the bull screw.

The utility model discloses a preferred scheme, joint portion is the toper setting, and along the direction of connection, the screw thread section diameter of joint portion reduces gradually.

The utility model discloses a preferred scheme, the moment of torsion reinforcement extends the setting along the axial direction of joint portion.

Preferably, the torque reinforcement is provided in plurality.

Preferably, the plurality of torque reinforcing members are arranged at equal intervals in a circumferential direction of the joint portion.

The utility model discloses a preferred scheme works as when threaded connection structure is external screw thread, the moment of torsion reinforcement sets up the inner at the joint portion.

The utility model discloses a preferred scheme works as when threaded connection structure is built-in screw thread, the moment of torsion reinforcement sets up the outer end at joint portion.

The utility model discloses a preferred scheme, body of rod and joint portion formula structure as an organic whole.

In a preferred embodiment of the present invention, the joint portions are disposed at both ends of the rod body; the threaded connection structure on the joint part at one end of the rod body is an external thread, and the threaded connection joint on the joint part at the other end of the rod body is an internal thread.

Compared with the prior art, the utility model following beneficial effect has:

the utility model discloses a drilling rod passes through the setting of moment of torsion reinforcement, realizes behind two drilling rod butt joints cooperations, carries on spacingly to the rotation of two drilling rods to prevent that the connection position of two drilling rods from skidding or damaging, effectively improve moment of torsion intensity, thereby the great geology of adaptation intensity need not to change the main equipment, is favorable to ensureing going on smoothly of construction process, reduce cost.

Drawings

Fig. 1-3 are the structural schematic diagram of the horizontal directional drilling rod with strong torque of the present invention, wherein fig. 1 is the schematic diagram when the threaded connection structure is an external thread, fig. 2 is the schematic diagram when the threaded connection structure is an internal thread, and fig. 3 is the schematic diagram when two drilling rods are assembled.

Detailed Description

The present invention will be further described with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.

Example 1

Referring to fig. 1 and 3, the horizontal directional drilling rod with strong torque of the present embodiment includes a rod body 4 and a joint part 1 disposed at an end of the rod body 4; the joint part 1 is provided with a threaded connection structure and a torque reinforcement part 2, the threaded connection structure is an external thread 3, and the torque reinforcement part 2 is arranged on the circumferential surface of the joint part 1; the torque reinforcing parts 2 on the two drill rods to be connected are correspondingly arranged in a staggered mode, and when the two drill rods are connected, the torque reinforcing parts 2 on the two drill rods are matched and tightly abutted to prevent slipping. In the present embodiment, the torque reinforcement 2 is provided at the inner end of the joint portion 1; the rod body 4 and the joint part 1 are of an integrated structure.

Referring to fig. 1 and 3, the threaded connection is a multi-start thread; this embodiment specifically employs a triple start thread. By adopting a three-head thread structure, the process of three thread pitches can be completed every time the rotating rod body is screwed for a circle, and the assembly and disassembly are convenient.

Referring to fig. 1 and 3, the joint part 1 is tapered, and the diameter of the threaded section of the joint part 1 is gradually reduced along the connecting direction. Specifically, when the threaded connection structure on the joint part 1 is an external thread, the outer diameter of the joint part 1 provided with the threaded section is gradually reduced; when the threaded connection structure on the joint portion 1 is an internal thread, the inside diameter of the joint portion 1 provided with the thread segment is gradually reduced. The joint part 1 is arranged to be conical, so that connection and installation are facilitated.

Referring to fig. 1 and 3, the torque reinforcement 2 is provided extending in the axial direction of the joint portion 1. Like this, can be when two drilling rods cooperate, the area is supported tightly to the correspondence of the moment of torsion reinforcement 2 on two drilling rods is bigger to more be favorable to improving the moment of torsion after two drilling rods are connected.

Referring to fig. 1 and 3, the torque reinforcement 2 is provided in plurality. By providing a plurality of torque reinforcement 2 on the joint portion 1 of the drill rod, it is advantageous to improve the torque between two assembled drill rods.

Referring to fig. 1 and 3, the plurality of torque reinforcing members 2 are arranged at equal intervals in the circumferential direction of the joint portion 1. Specifically, a peripheral notch is formed between every two torque reinforcements 2 in the embodiment, and the peripheral notch is arranged corresponding to the torque reinforcements 2 on another drill rod, so that after the two drill rods are installed in a matched manner, the torque reinforcements 2 on the two drill rods are abutted in a one-to-one correspondence manner, and an integral drill rod with strong torque is formed. In addition, the torque reinforcement 2 in the present embodiment is disposed obliquely, which is advantageous for further improving the torque strength. In this embodiment, combine to adopt three thread structure for the periphery breach that forms can set up more deeply, thereby further improve two drilling rods after the assembly the moment of torsion intensity that is increased by the moment of torsion reinforcement, thereby be favorable to improving the moment of torsion intensity of whole drilling rod.

Referring to fig. 1 to 3, the working principle of the strong-torque horizontal directional drilling rod of the present embodiment is as follows:

when two drill rods are required to be connected, the drill rod with the joint part 1 provided with the external thread 3 is matched and connected with the drill rod with the joint part 1 provided with the internal thread 5, and the two drill rods are detachably connected through a thread connecting structure; simultaneously, the moment of torsion reinforcement 2 on two drilling rods after accomplishing the connection supports tightly each other, and when two drilling rods accomplished the assembly through threaded connection structure promptly, moment of torsion reinforcement 2 on two drilling rods then supports tightly together each other just, prevents two drilling rod transitional fitting, can prevent simultaneously that the threaded connection structure between two drilling rods from damaging and leading to skidding when creeping into the construction, is favorable to improving the moment of torsion between two drilling rods to realize the stronger geology of machining hardness.

Example 2

Referring to fig. 2, the present embodiment is different from embodiment 1 in that the thread on the joint part 1 in the present embodiment is a female thread 5. The torque reinforcement 2 of the present embodiment is provided at the outer end of the joint portion 1.

Example 3

The difference between the present embodiment and

embodiments

1 and 2 is that the joint portions 1 are provided at both ends of the rod body 4; the threaded connection structure on the joint part 1 at one end of the rod body 4 is an external thread 3, and the threaded connection joint on the joint part 1 at the other end of the rod body 4 is an internal thread 5. Therefore, the joint parts 1 are arranged at the two ends of one drill rod, so that the two ends of the drill rod can be connected with other drill rods. Of course, the screw connection structures on the joint parts 1 at the two ends of the rod body 4 can be set to be external screw threads 3 or internal screw threads 5.

The above is the preferred embodiment of the present invention, but the embodiment of the present invention is not limited by the above, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims

1. A horizontal directional drilling rod with strong torque comprises a rod body and a joint part arranged at the end part of the rod body; the connector is characterized in that a threaded connection structure and a torque reinforcement piece are arranged on the connector part, the threaded connection structure is an external thread or an internal thread, and the torque reinforcement piece is arranged on the circumferential surface of the connector part; the torque reinforcing parts on the two drill rods to be connected are correspondingly arranged in a staggered mode, and when the two drill rods are connected, the torque reinforcing parts on the two drill rods are matched and abutted tightly to prevent slipping.

2. A high torque, horizontal directional drill rod according to claim 1, characterized in that the threaded connection is a multi-start thread.

3. A high torque horizontal directional drill rod according to claim 1, wherein the coupling portion is tapered and the threaded section of the coupling portion has a decreasing diameter along the direction of connection.

4. A high torque horizontal directional drill rod according to claim 1, wherein the torque reinforcement extends in the axial direction of the joint portion.

5. A high torque horizontal directional drill rod according to claim 4 wherein there are a plurality of said torque reinforcing members.

6. A high torque horizontal directional drill rod according to claim 5, wherein the plurality of torque reinforcement members are equally spaced along the circumferential direction of the joint portion.

7. A high torque horizontal directional drill rod according to claim 1 wherein the torque reinforcement is provided at the inner end of the joint portion when the threaded connection is an externally threaded connection.

8. A high torque horizontal directional drill rod according to claim 1, wherein the torque reinforcement is provided at the outer end of the joint portion when the threaded connection is an internal thread.

9. A high torque horizontal directional drill stem according to claim 1 wherein the stem and the adapter portion are of a unitary construction.

10. A high torque horizontal directional drill rod according to claim 1, wherein the joint portions are provided at both ends of the rod body; the threaded connection structure on the joint part at one end of the rod body is an external thread, and the threaded connection joint on the joint part at the other end of the rod body is an internal thread.