CN-224214128-U - Drill rod reversing anti-falling device

Abstract

The utility model discloses a drill rod reversing anti-falling device which comprises a male drill rod main body, a female drill rod main body and a toothed groove arranged on the end face of the female drill rod main body, wherein a pore canal is arranged in the male drill rod main body and used for placing a locking assembly, and the locking assembly consists of an integral rod, a spring, an inner clamping spring I, a hollow cylinder, an inner clamping spring II, a pin shaft and a rotating rod. The integral rod consists of a square lock tongue, a large-diameter cylindrical rod and a small-diameter cylindrical rod. The spring, the first inner clamping spring, the hollow cylinder and the second inner clamping spring are all sleeved on the small-diameter cylinder rod, and the first inner clamping spring and the second inner clamping spring are also clamped in the pore canal clamping groove. According to the reversing anti-drop device for the drill rod, compared with the conventional fastener without the device, the reversing anti-drop device is connected through the clamping lock assembly, and free conversion between reversing anti-drop and disassembly is achieved.

Inventors

• LIU XIN
• ZHENG ZIJIE
• YUAN JINHONG
• WU HUIFANG
• CHEN QIANG
• PEI GUOXING
• XUE HAIWEI
• ZHENG YITONG

Assignees

• 邯郸市众信岩土工程有限公司

Dates

Publication Date

20260508

Application Date

20250416

Claims (6)

1. 1. The utility model provides a drilling rod reversal anti-drop device which characterized by includes: The novel drilling rod comprises a box drilling rod main body (1), wherein tooth grooves (12) are formed in the periphery of the end section of the box drilling rod main body (1), a box (11) is arranged at the end part of the box drilling rod main body (1), a pin is arranged at the end part of the pin drilling rod main body (2), a hole channel (25) is formed in the pin drilling rod main body (2) and used for placing a clamping lock assembly (22), and a shelving platform (24) is arranged at the diameter-changing position of the drilling rod of the pin drilling rod main body (2).
2. 2. The drill rod reverse rotation anti-drop device according to claim 1, wherein the locking assembly (22) comprises an integral rod (221), a spring (222), an inner clamping spring one (223), a hollow cylinder (224), an inner clamping spring two (225), a pin shaft (226) and a rotating rod (227).
3. 3. The drill rod reverse rotation anti-drop device according to claim 2, wherein the integrated rod (221) is composed of a square lock tongue (2211), a large-diameter cylindrical rod (2212), and a small-diameter cylindrical rod (2213).
4. 4. A drill rod reversing anti-drop device according to claim 3, wherein the end of the square bolt (2211) is a ramp surface.
5. 5. The drill rod reverse rotation anti-drop device according to claim 1, wherein the hole (25) is a square hole (26) near the end surface of the male drill rod main body (2) and is used for penetrating through the square lock tongue (2211), and the far-away end surface is a circular hole (27) with the diameter equal to that of the large-diameter cylindrical rod (2212).
6. 6. The anti-falling device for reversing drill rod according to claim 5, wherein the circular hole channel (27) is internally provided with an inner clamping spring first clamping groove (28) and an inner clamping spring second clamping groove (29).

Description

Drill rod reversing anti-falling device Technical Field The utility model belongs to the technical field of machinery and engineering, and particularly relates to a drill rod reversing anti-falling device. Background The drill rod is used as a multifunctional industrial device, has wide and various application fields, and is often used as an important tool for drilling operations in the fields of petroleum and natural gas drilling, geological exploration and the like. The performance of the device is directly related to the operation safety and efficiency, and the device is indispensable equipment in the fields of petroleum, energy and engineering. In the actual drilling process, the drilling sticking is often caused by factors such as geological factors, drilling fluid performance problems, manual misoperation and the like. Drill rod stuck is a common and serious problem in the drilling process, when stuck is processed, positive and negative rotation alternate stuck releasing is often adopted, but the phenomenon of tripping and falling off can occur when the drill rod is rotated in a reverse rotation mode, and huge economic loss, safety risk and environmental hazard are caused for drilling operation. The present utility model has been made in view of this. Disclosure of utility model In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that: the drill rod reversing anti-falling device comprises a female buckle drill rod main body and a male buckle drill rod main body, wherein the female buckle drill rod main body is provided with a tooth-shaped groove along the circumference of the section; The end part of the male buckle drill rod main body is provided with a male buckle, a pore canal is arranged in the male buckle drill rod main body, a clamping lock component is placed in the pore canal, and a placing platform is arranged at the diameter-changing position of the male buckle drill rod main body. The locking assembly consists of an integral rod, a spring, an inner clamping spring I, a hollow cylinder, an inner clamping spring II, a pin shaft and a rotating rod. The spring, the first inner clamping spring, the hollow cylinder and the second inner clamping spring are sleeved on the small-diameter cylinder rod in sequence, and the first inner clamping spring and the second inner clamping spring are clamped in the pore canal clamping groove. The integral rod consists of a square lock tongue, a large-diameter cylindrical rod and a small-diameter cylindrical rod. The end part of the square spring bolt is a slope surface. The side, close to the end face of the main body of the pin joint drill rod, of the pore channel is a square pore channel used for penetrating through the square lock tongue, and the far-away end face is a circular pore channel with the diameter equal to that of the large-diameter cylindrical rod. The circular duct is internally provided with an inner clamping spring first clamping groove and an inner clamping spring second clamping groove. Compared with the prior art, the utility model has the following beneficial effects: The utility model discloses a drill rod reverse rotation anti-falling device, which is characterized in that a spring bolt on an integrated rod passes through a hole and contacts with a tooth-shaped groove on a main body of a female drill rod when the male drill rod and the female drill rod are connected in a forward rotation manner through the male and female buttons, the spring bolt rain tooth-shaped groove is blocked under spring pressure in the reverse rotation process, the male drill rod and the female drill rod can not trip in the same direction, the male drill rod and the female drill rod are pulled in the direction away from the end face of a drill rod joint, a rotating rod is pulled out of a circular hole and supported on a shelving platform after rotating for 90 degrees around a pin shaft, the spring bolt is separated from the tooth-shaped groove, and the male drill rod and the female drill rod can trip after rotating in the reverse direction, so that the free conversion between disassembly and anti-trip is realized. The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings. Drawings In the drawings: FIG. 1 is a schematic diagram of the overall structure of the present utility model; FIG. 2 is a schematic view of section A-A of the present utility model; FIG. 3 is a schematic view of a section B-B of the present utility model; FIG. 4 is a schematic view of a C-C cross section of the present utility model; fig. 5 is an enlarged view of 22 in fig. 1. In the figure, a main body of a box drill rod, 11, a box, 12, a tooth-shaped groove, 2, a main body of a pin drill rod, 21, a pin, 22, a clamping component, 221, an integral rod, 2211, a square lock tongue, 2212, a large-diameter cylindrical rod, 2213, a small-diameter cylindrical rod, 222,