CN220621782U - Geological drill rod for coal mine mining - Google Patents

Abstract

The utility model provides a geological drill rod for coal mining, and particularly relates to the technical field of coal mining. The geological drill stem for coal mine mining comprises: the drill rod main body of water hole has been seted up to inside, the one end fixedly connected with screw thread face of drill rod main body, threaded connection between screw thread face and the water hole, multiunit first spout and second spout have been seted up respectively at the both ends of drill rod main body, the drill rod main body is located the position sliding connection of second spout surface and has the protective housing. According to the utility model, the first sliding grooves and the second sliding grooves of the two groups of drill rod main bodies are connected through the whole combination of the sliding blocks and the protective shell, when the drill rod main bodies rotate at a high speed, the sliding blocks are matched with the first sliding grooves and the second sliding grooves to bear a part of torque generated when the drilling machine suddenly stops and rotates at a rapid acceleration, so that the pressure of the joint of the two groups of drill rod main bodies is weakened, and the service life of the drill rod main bodies is prolonged.

Description

Geological drill rod for coal mine mining

Technical Field

The utility model relates to the technical field of coal mining, in particular to a geological drill rod for coal mining.

Background

The drill pipe is a rod connected in the drilling tool for transmitting power, the purpose of which is to carry drilling mud to the drill bit and to raise, lower or rotate the bottom hole assembly with the drill bit. The drill pipe must be able to withstand significant internal and external pressure, twisting, bending and vibration.

Under the conditions of smaller facing drilling holes but larger drilling depth, multiple groups of drill rods are often required to be connected together, threaded connection is often used at the connection position, and under the condition that a drilling tool rotates at a high speed, when a drilling machine suddenly stops and rapidly accelerates, larger torque can be generated by threads at the connection position, so that damage can be generated to the threads at the connection position.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a geological drill rod for coal mine mining.

The geological drill rod for coal mine mining provided by the utility model comprises the following components: the drill rod main body of water hole has been seted up to inside, the one end fixedly connected with screw thread face of drill rod main body, threaded connection between screw thread face and the water hole, multiunit first spout and second spout have been seted up respectively at the both ends of drill rod main body, the drill rod main body is located the position sliding connection of second spout surface and has the protective housing.

Preferably, the length of the first chute is smaller than that of the second chute, and the widths of the first chute and the second chute are the same.

Preferably, the top end of the sliding block is fixedly connected with a clamping block.

Preferably, a clamping groove matched with the clamping block for use is formed in the bottom of the first sliding groove.

Preferably, the protection shell is fixedly connected with the sliding blocks, and the number of the sliding blocks is the same as that of the first sliding grooves and the second sliding grooves.

Preferably, the protective sleeve slides along the length direction of the first chute and the second chute through the sliding block.

Compared with the related art, the geological drill rod for coal mine mining has the following beneficial effects: the user is with the screw thread face of drilling rod main part one end, with the water hole threaded connection of drilling rod main part other end, make the multiunit first spout of a drilling rod main part and the second spout of another drilling rod main part be in same level and vertical position, then remove the protective housing, make the protective housing remove to the junction surface of two sets of drilling rod main parts, the inside fixed connection multiunit slider of protective housing, the inside of first spout is in part of slider this moment, the inside of second spout is in part of slider, the slider is connected two sets of drilling rod main parts respectively in colloquially, when the drilling rod main part is rotatory at high speed, through the cooperation between slider and first spout and the second spout, bear the moment of torsion that produces when partly rig suddenly stops and the quick acceleration is rotatory, weaken the pressure of two sets of drilling rod main parts junction, increase the life of drilling rod main part.

Drawings

FIG. 1 is a schematic view of a geological drill rod for coal mining according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic view of the structure of the first chute and the clamping slot of the present utility model;

fig. 3 is a schematic structural view of the protective case and the slider of the present utility model.

Reference numerals in the drawings:

1. a drill pipe body; 2. a first chute; 3. a protective shell; 4. a thread; 5. a slide block; 6. a clamping block; 7. a second chute; 8. a clamping groove; 9. and water holes.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. In the present specification, "plurality" means two or more.

In the description of the present specification, the descriptions of the terms "embodiment," "one embodiment," and the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or embodiment is included in at least one embodiment or illustrated embodiment of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same examples or implementations. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or implementations.

Referring to fig. 1 to 3, an embodiment of the present utility model provides a geological drill rod for coal mining, including: the inside drilling rod main part 1 of seting up water hole 9, the one end fixedly connected with screw thread 4 face of drilling rod main part 1, screw thread 4 is connected between screw thread 4 face and the water hole 9, and multiunit first spout 2 and second spout 7 have been seted up respectively at the both ends of drilling rod main part 1, and drilling rod main part 1 is located the position sliding connection of second spout 7 surface and has protective housing 3.

It should be noted that: the protective housing 3 can slide through the slide bar in the inside of first spout 2 and second spout 7, when two sets of drilling rod main part 1 need be connected, need with protective housing 3 sliding connection in the inside of second spout 7 on a set of drilling rod main part 1 surface, carry out screw thread 4 with two sets of drilling rod main part 1 again and connect the back, slide protective housing 3 for protective housing 3 covers the junction at two sets of drilling rod main part 1, namely the junction of first spout 2 and second spout 7.

Wherein, the length of the first chute 2 is smaller than the length of the second chute 7, and the widths of the first chute 2 and the second chute 7 are the same.

Also to be described is: the length of the first sliding groove 2 is slightly smaller than that of the sliding groove 5, the length of the second sliding groove 7 is greater than that of the sliding groove 5, when a user moves the protective shell 3, the protective shell 3 drives the plurality of groups of sliding grooves 5 to move from the second sliding groove 7 to the first sliding groove 2, when the sliding groove 5 moves to the bottom of the first sliding groove 2, the sliding groove cannot move, at the moment, a part of the sliding groove 5 is positioned in the first sliding groove 2, and the rest of the sliding groove 5 is positioned in the second sliding groove 7.

Wherein, the top fixedly connected with fixture block 6 of slider 5, draw-in groove 8 that uses with fixture block 6 cooperation is seted up to the bottom of first spout 2.

Also to be described is: when the sliding block 5 moves to the bottom of the first sliding groove 2, the clamping block 6 at the top of the sliding block is clamped with the clamping groove 8, so that the position of the sliding block 5 is fixed, and the sliding block 5 is prevented from falling off from the inside of the first sliding groove 2 during rotation.

Wherein, fixed connection between protective housing 3 and the slider 5, the quantity of slider 5 is the same with the quantity of first spout 2 and second spout 7.

Also to be described is: the number of the sliding blocks 5, the first sliding grooves 2 and the second sliding grooves 7 are consistent, and the specific number can be customized and adjusted according to the needs of a user so as to increase the applicability of the device.

Wherein, the protective sleeve slides along the length direction of the first chute 2 and the second chute 7 through the sliding block 5.

Also to be described is: the plurality of groups of sliding blocks 5 are connected into a whole through the protective shell 3, so that connectivity is enhanced.

The working principle provided by the utility model is as follows: the user connects the screw thread 4 face of drilling rod main part 1 one end, with the water hole 9 screw thread 4 of drilling rod main part 1 other end together, make the multiunit first spout 2 of a drilling rod main part 1 and the second spout 7 of another drilling rod main part 1 be in same horizontal and vertical position, then remove protective housing 3, make protective housing 3 remove to the junction surface of two sets of drilling rod main parts 1, the inside fixed connection multiunit slider 5 of protective housing 3, at this moment, the part of slider 5 is in the inside of first spout 2, the other part of slider 5 is in the inside of second spout 7, conveniently speaking, slider 5 connects two sets of drilling rod main parts 1 respectively, when drilling rod main part 1 is rotatory at a high speed, through the cooperation between slider 5 and first spout 2 and the second spout 7, bear the moment of torsion that produces when a part rig is stopped and the quick acceleration is rotated, come the pressure of two sets of drilling rod main part 1 junction, increase the life of drilling rod main part 1.

Although the present disclosure is described above, the scope of protection of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the utility model.

Claims (6)

1. A geological drill stem for coal mining, comprising: the novel water-saving drill rod is characterized in that one end of the drill rod body (1) is fixedly connected with a thread (4) surface, the thread (4) surface is connected with the thread (4) between the water-saving drill rod body (1) and the water-saving drill rod (9), two ends of the drill rod body (1) are respectively provided with a plurality of groups of first sliding grooves (2) and second sliding grooves (7), and the drill rod body (1) is located on the surface of the second sliding grooves (7) and is slidably connected with a protective shell (3).

2. Geological drill rod for coal mining according to claim 1, characterized in that the length of the first runner (2) is smaller than the length of the second runner (7), the widths of the first runner (2) and the second runner (7) being the same.

3. Geological drill rod for coal mining according to claim 2, characterized in that the protective housing (3) is slid by means of a slide (5) along the length direction of the first runner (2) and the second runner (7).

4. A geological drill rod for coal mining according to claim 3, characterized in that the top end of the slide block (5) is fixedly connected with a clamping block (6).

5. Geological drill rod for coal mining according to claim 4, characterized in that the bottom of the first chute (2) is provided with a clamping groove (8) used in cooperation with the clamping block (6).

6. A geological drill rod for coal mining according to claim 3, characterized in that the protective shell (3) is fixedly connected with the sliding blocks (5), and the number of the sliding blocks (5) is the same as that of the first sliding grooves (2) and the second sliding grooves (7).