CN209670916U - An anti-jamming anchor cable drill pipe for directional drilling - Google Patents

Abstract

The utility model discloses a kind of directional drilling anchor cable drill stems of preventing sticking, including drilling rod ontology, drilling rod ontology one end is equipped with threaded section of male end, the other end is equipped with threaded female end, drilling rod hollow hole is equipped among male end, the side of female end is equipped with the cylindricality body of rod, the cylindricality body of rod other side is equipped with taper orienting device, the taper orienting device other side is equipped with cylindricality orienting device, spiral dump tank is equipped among orienting device, unidirectional dump tank is additionally provided among orienting device, ventilative/water hole is additionally provided in unidirectional dump tank notch, cylindricality orienting device is additionally provided with broken cash pick and broken cash cutter far from the other side of the cylindricality body of rod, the beneficial effects of the utility model are: broken cash pick and broken cash cutter are crushed broken cash, drilling rod orienting device can reduce drilling rod rocking tendency and frequency in drilling, in the effect of gas water Under, broken cash is discharged with gas water along spiral dump tank, unidirectional dump tank, realizes directional drilling, the broken cash, deslagging of drilling construction.

Description

An anti-jamming anchor cable drill pipe for directional drilling

technical field

The utility model relates to an application field of mine roadway support, in particular to an anti-jamming directional drilling anchor cable drill rod.

Background technique

At present, due to the advantages of low cost, high efficiency, and low labor intensity, anchor cable support has become one of the most commonly used support methods for coal mine roadways, especially in deep, dynamic pressure, soft rock and other roadways that are difficult to maintain. Lengthen the anchor cable to control the stability of the surrounding rock of the roadway, so the anchor cable drilling depth is usually relatively large, and there are often phenomena such as drill pipe swinging and broken gangue blocking the drilling hole, which greatly increases the construction time of the anchor cable drilling and reduces the anchor cable support. Efficiency affects the tunneling speed of the roadway.

Utility model content

The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide an anti-jamming directional drilling anchor cable drill pipe.

The utility model provides an anti-jamming directional drilling anchor cable drill pipe, which comprises a drill pipe body, one end of the drill pipe body is provided with an external threaded end with a threaded section, and the other end of the drill pipe body is provided with a The internal threaded end of the thread, the hollow hole of the drill pipe is provided in the middle of the external threaded end, a cylindrical rod body is provided on one side close to the internal threaded end, and a tapered orientation device is provided on the other side of the cylindrical rod body. The other side of the conical orienting device is provided with a cylindrical orienting device, and a spiral slagging groove is arranged between the conical orienting device and the cylindrical orienting device, and there is also a A one-way slag discharge tank is provided, and a ventilation/water hole is provided in the notch of the one-way slag discharge tank. gangue knife.

Preferably, the drill pipe body is a hexagonal steel segmented drill pipe.

Preferably, the drill pipe body, the cylindrical rod body, the conical orientation device, the cylindrical orientation device, the spiral slag discharge groove, the one-way slag discharge groove, the air/water hole , The gangue crushing pick and the gangue crushing cutter are integrally set.

Preferably, the cone-shaped orienting device, the column-shaped orienting device, the gangue-breaking pick and the gangue-breaking tool are in the shape of a shuttle, and the diameter of the shuttle-shaped cylinder is smaller than that of the drill bit.

Preferably, there are four crushing picks arranged on one side of the cylindrical orientation device, and two crushing knives are arranged on one side of the crushing pick.

Preferably, the column orientation device is provided with multiple sets of orientation columns.

The beneficial effect of the utility model is

During the drilling construction process, the crushing picks and crushing tools break the larger fragments in the borehole, and the drill pipe orientation device with a certain length can reduce the swing amplitude and frequency of the drill pipe in the borehole. Under the action of the action, the broken gangue in the borehole is discharged along the spiral slag discharge groove and the one-way slag discharge groove along with the air/water to prevent the drilling from being blocked, thereby realizing directional drilling, crushing gangue and slag discharge in the drilling construction.

Description of drawings

Fig. 1 is a three-dimensional structure schematic diagram of the present utility model.

Fig. 2 is a three-dimensional structural schematic diagram of the gangue crushing pick, the gangue crushing cutter, the conical orienting device and the cylindrical orienting device of the present invention.

Fig. 3 is a three-dimensional structure schematic diagram of the gangue crushing pick and the gangue crushing cutter of the present invention.

reference sign

1. Drill pipe body, 2. Hollow hole of drill pipe, 3. External thread end, 4. Internal thread end, 5. Cylindrical rod body, 6. Crushing pick, 7. Crushing tool, 8. Spiral slag discharge groove , 9, one-way slag discharge tank, 10, air/water hole, 11, cylindrical directional device, 12, conical directional device.

Detailed ways

During the drilling construction process, the crushing picks and crushing tools break the larger fragments in the borehole, and the drill pipe orientation device with a certain length can reduce the swing amplitude and frequency of the drill pipe in the borehole. Under the action of water), the broken gangue in the borehole will be discharged along the spiral slag discharge groove and one-way slag discharge groove along with the gas (or water) to prevent the drilling from being blocked, so as to realize the directional drilling and crushing of gangue in the drilling construction. , Slagging.

Example

As shown in Figure 1-3, an anti-jamming directional drilling cable anchor drill pipe includes a drill pipe body 1, one end of the drill pipe body 1 is provided with an external threaded end 3 with a threaded section, and the other end of the drill pipe body 1 A threaded internal thread end 4 is provided inside, a drill pipe hollow hole 2 is provided in the middle of the external thread end 3, a cylindrical rod body 5 is provided on one side close to the internal thread end 4, and a tapered rod body 5 is provided on the other side of the cylindrical rod body 5. Orientation device 12, a cylindrical orientation device 11 is provided on the other side of the conical orientation device 12, and a spiral slag discharge groove 8 is arranged between the conical orientation device 12 and the cylindrical orientation device 11, and the conical orientation device 12 and the cylindrical orientation device There is also a one-way slag discharge tank 9 in the middle of 11, and a ventilation/water hole 10 is provided in the notch of the one-way slag discharge tank 9, and the other side of the cylindrical orientation device 11 away from the cylindrical rod body 5 is also provided with a crushing pick 6 and broken gangue cutter 7.

Preferably, the drill pipe body 1 is a hexagonal steel segmented drill pipe.

Preferably, the drill pipe body 1, the cylindrical rod body 5, the conical orientation device 12, the cylindrical orientation device 11, the spiral slag discharge groove 8, the one-way slag discharge groove 9, the ventilation/water hole 10, the crushing gangue pick 6 and Crushing gangue cutter 7 is set in one piece.

Preferably, the cone-shaped orienting device 12, the column-shaped orienting device 11, the crushing pick 6 and the crushing tool 7 are in the shape of a shuttle as a whole, and the diameter of the shuttle-shaped cylinder is smaller than the diameter of the drill bit.

Preferably, there are four crushing picks 6 arranged on one side of the column orientation device 11 , and two crushing knives 7 are arranged on one side of the crushing picks 6 .

Preferably, the column orientation device 11 is provided with multiple sets of orientation columns.

Finally, it should be noted that: the above is only a preferred embodiment of the utility model, and is not intended to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art , it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the content of the utility model within the scope of protection of the utility model.

Claims (6)

1. An anti-jamming directional drilling cable anchor drill pipe, comprising a drill pipe body (1), is characterized in that: one end of the drill pipe body (1) is provided with an external threaded end (3) with a threaded section, The drill pipe body (1) at the other end is provided with a threaded internal thread end (4), and a drill pipe hollow hole (2) is provided in the middle of the external thread end (3), close to the internal thread end (4). ) is provided with a cylindrical rod (5) on one side, the other side of the cylindrical rod (5) is provided with a tapered orientation device (12), and the other side of the tapered orientation device (12) is provided with a cylindrical An orientation device (11), a spiral slagging groove (8) is provided between the conical orientation device (12) and the columnar orientation device (11), and the conical orientation device (12) is connected to the columnar orientation device (11). A one-way slag discharge tank (9) is also provided in the middle of the orientation device (11), and a ventilation/water hole (10) is also provided in the notch of the one-way slag discharge tank (9). The cylindrical orientation device (11) The other side far away from the cylindrical rod body (5) is also provided with a gangue crushing pick (6) and a gangue crushing cutter (7). 2. The anti-jamming drill pipe for directional drilling and cable anchor according to claim 1, characterized in that: the drill pipe body (1) is a hexagonal steel segmented drill pipe. 3. The anti-jamming directional drilling anchor cable drill pipe according to claim 1, characterized in that: the drill pipe body (1), the cylindrical rod body (5), the tapered directional device ( 12), the columnar orientation device (11), the spiral slag discharge tank (8), the one-way slag discharge tank (9), the air/water hole (10), the gangue crushing pick (6) integrated device with crushing gangue cutter (7). 4. The anti-jamming directional drilling cable anchor drill pipe according to claim 1, characterized in that: the conical directional device (12), the columnar directional device (11), the crushed gangue cutter Teeth (6) and the gangue crushing tool (7) are integrally shuttle-shaped, and the diameter of the shuttle-shaped cylinder is smaller than that of the drill bit. 5. The anti-jamming directional drilling anchor cable drill rod according to claim 1, characterized in that: the crushing picks (6) arranged on one side of the columnar orientation device (11) are four There are two gangue-breaking knives (7) arranged on one side of the gangue-breaking pick (6). 6. The anti-jamming directional drilling cable anchor drill pipe according to claim 1, characterized in that: the cylindrical directional device (11) is provided with multiple sets of directional cylinders.