CN215408497U

CN215408497U - Triangular drill rod

Info

Publication number: CN215408497U
Application number: CN202023048618.5U
Authority: CN
Inventors: 车景矿; 骆伟; 王兆义; 吕骁; 郝学锋; 王为东
Original assignee: Shandong Yuanyuntong Mining Equipment Science And Technology Co ltd
Current assignee: Shandong Yuanyuntong Mining Equipment Science And Technology Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2022-01-04
Anticipated expiration: 2030-12-17

Abstract

The utility model relates to the technical field of drill rods, in particular to a triangular drill rod which is convenient to connect and easy to clean a pressure relief channel, and comprises a rod body, a connecting part a and a connector; one end of the rod body is in threaded connection with the connector, and the other end of the rod body is provided with a connecting part a matched with the connector; a cooling channel and a pressure relief channel are arranged in the rod body; a plurality of pressure relief holes communicated with the pressure relief channel are formed in the outer side surface of the rod body; the connector comprises a middle body and a connecting part b; a first channel communicated with the cooling channel and a second channel communicated with the pressure relief channel are arranged in the intermediate body; the second channel is provided with a plurality of water spray ports and a plurality of water inlets, the water spray ports are positioned in the pressure relief channel, and the water inlets are positioned between the rod body and the connecting part b; when the pressure relief channel needs to be cleaned, the water inlet is connected with an external water source, and the pressure relief channel is sprayed through the water spraying opening, so that the flushing effect of the pressure relief channel is improved.

Description

Triangular drill rod

Technical Field

The utility model relates to the technical field of drill rods, in particular to a triangular drill rod.

Background

The triangular drill rod is one of tools widely used in engineering geology and mineral exploration drilling, and the existing triangular drill rod has various structures. For example, the chinese patent CN201320337080.0 discloses a triangular drill rod, which comprises a rod body with a regular triangle cross section, the three side surfaces of the rod body are provided with chip grooves along the length direction, one end of the rod body is provided with a connector, the other end is provided with a connecting hole, the connecting head consists of a fastening head with external threads and a positioning head fixed at the front end of the fastening head, the fastening head and the positioning head are both cylindrical, the diameter of the fastening head is larger than that of the positioning head, the length of the positioning head is larger than that of the fastening head, the connecting hole consists of a fastening hole with internal threads and a positioning hole arranged at the rear end of the fastening hole, the connector is matched with the connecting hole, through being provided with location structure, the accurate installation with the drilling rod reduces installation error, has seted up the chip groove, makes the chip removal more smooth and easy, is provided with the cooling hole, can let in cooling water pipe, convenient and fast. Chinese patent CN201020520384.7 discloses a mining quick-connection type triangular drill rod, which comprises a rod body and a connector, wherein one end of the connector is inserted into an inner hole at one end of the rod body and is fixedly connected through a pin (3), a spring pin is arranged on the wall surface of the other end of the connector and is perpendicular to the direction of a central line, the spring pin comprises a pressing seat, a compression spring and a screw plug, the pressing seat is T-shaped and consists of a base and an upward columnar protruding end, the bottom end of the pressing seat is connected with the compression spring, and the bottom end of the compression spring is connected with the screw plug; the columnar protruding end of the pressing seat vertically penetrates through the wall surface of the joint and is arranged outside the wall surface of the joint in a protruding mode; be provided with the pinhole on the wall of the other end of the body of rod, the pinhole with press the seat to cooperate, the chip removal is smooth and easy, connect fast firm and not hard. However, the existing triangular drill rod still has the problems of inconvenient connection and difficult cleaning of a pressure relief channel.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a triangular drill rod which is convenient to connect and easy to clean a pressure relief channel.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

a triangular drill rod comprises a rod body, a connecting part a and a connector; the cross section of the rod body is in a regular triangle shape, one end of the rod body is in threaded connection with the connector, and the other end of the rod body is provided with a connecting part a matched with the connector; a cooling channel and a pressure relief channel are arranged in the rod body; a plurality of pressure relief holes communicated with the pressure relief channel are formed in the outer side surface of the rod body; the connector comprises a middle body and a connecting part b; a first channel communicated with the cooling channel and a second channel communicated with the pressure relief channel are arranged in the intermediate body; the outer wall of one end of the cooling channel is provided with an external thread a, the inner wall of one end of the channel is provided with an internal thread a connected with the external thread a, and the rod body is connected with the connector through the internal thread a and the external thread a; the end part of the intermediate body is fixedly connected with a connecting part b with an external thread b, and the connecting part a is provided with an internal thread b matched with the external thread b; the second channel is provided with a plurality of water spray ports and a plurality of water inlets, the water spray ports are positioned in the pressure relief channel, and the water inlets are positioned between the rod body and the connecting part b; when the pressure relief channel needs to be cleaned, the water inlet is connected with an external water source, and the pressure relief channel is sprayed through the water spraying opening, so that the flushing effect of the pressure relief channel is improved.

Furthermore, the water spraying ports comprise a first water spraying port perpendicular to the pressure relief channel and a second water spraying port parallel to the pressure relief channel, and the pressure relief channel is flushed in an all-around mode.

Furthermore, the water inlet is connected with a cover body through threads, the cover body is used for plugging the water inlet, and the operation is convenient and fast.

Furthermore, an annular baffle is fixedly arranged on the intermediate body, is positioned between the cover body and the rod body and is matched with the internal thread a and the external thread a to complete the connection of the rod body and the connector.

Furthermore, a sealing ring is arranged at the joint of the rod body and the connector, and the sealing ring is positioned between the rod body and the annular baffle plate, so that the joint of the connector and the rod body is in sealing connection.

Further, the intermediate body is fixedly connected with the connecting part b through an intermediate block.

Further, the cross section of the intermediate body is circular, triangular, quadrilateral or hexagonal; the cross section of the connecting part b is circular, triangular, quadrangular or hexagonal.

Furthermore, the pressure relief holes form a spiral direction and are opposite to the rotating direction of the drilling rod body.

The utility model has the technical effects that:

compared with the prior art, the triangular drill rod has the advantages that the adjacent rod bodies are connected through the connectors, the structural design of the connectors can also realize flushing of the pressure relief channel, the water inlet and the water spray nozzle are arranged on the connectors, the processing and the operation are convenient, and the influence on the rod bodies is avoided; when the pressure relief hole disclosed by the utility model is drilled and collapsed, the action force of the coal cinder on the drill rod can be released, the damage to the inner wall of the rod body is avoided, the slag can be discharged when the pressure relief channel is cleaned, and the pressure relief hole has double functions and is flexible to use.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic view of a rod body structure according to the present invention;

FIG. 3 is a schematic view of a connector structure according to the present invention;

fig. 4 is a right side view of fig. 2 of the present invention.

In the figure, a rod body 1, a connecting part a2, a connector 3, a cooling channel 4, a pressure relief channel 5, a pressure relief hole 6, a sealing ring 7, an internal thread b201, an intermediate body 301, a connecting part b302, a channel I303, a channel II 304, an internal thread a305, a water spray opening 306, a water inlet 307, a cover body 308, an annular baffle 309, an intermediate block 3010, an external thread b3011, a water spray opening I3061, a water spray opening II 3062 and an external thread a 401.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings of the specification.

Example 1:

the angle drill rod related to the embodiment comprises a rod body 1, a connecting part a2 and a connecting head 3; the cross section of the rod body 1 is in a regular triangle shape, one end of the rod body 1 is in threaded connection with the connector 3, and the other end of the rod body is provided with a connecting part a2 matched with the connector 3; a cooling channel 4 and a pressure relief channel 5 are arranged in the rod body 1; a plurality of pressure relief holes 6 communicated with the pressure relief channel 5 are formed in the outer side surface of the rod body 1; the connector 3 comprises a middle body 301 and a connecting part b 302; a first channel 303 communicated with the cooling channel 4 and a second channel 304 communicated with the pressure relief channel 5 are arranged in the middle body 301; an external thread a401 is arranged on the outer wall of one end of the cooling channel 4, an internal thread a305 connected with the external thread a401 is arranged on the inner wall of the channel I303, and the rod body 1 is connected with the connector 3 through the internal thread a305 and the external thread a 401; the end part of the middle body 301 is fixedly connected with a connecting part b302 with an external thread b3011, and the connecting part a2 is provided with an internal thread b201 matched with the external thread b 3011; a plurality of water spray nozzles 306 and a plurality of water inlets 307 are formed in the second channel 304, the water spray nozzles 306 are positioned in the pressure relief channel 5, and the water inlets 307 are positioned between the rod body 1 and the connecting part b 302; when the pressure relief channel 5 needs to be cleaned, the water inlet 307 is connected with an external water source, and the water spraying port 306 sprays water into the pressure relief channel 5, so that the flushing effect of the pressure relief channel 5 is improved.

The water spraying ports 306 comprise a first water spraying port 3061 perpendicular to the pressure relief channel 5 and a second water spraying port 3062 parallel to the pressure relief channel 5, and the pressure relief channel 5 is flushed in an all-around mode.

The water inlet 307 is in threaded connection with a cover 308 for plugging the water inlet 307, and the operation is convenient and rapid; an annular baffle 309 is fixedly arranged on the intermediate body 301, the annular baffle 309 is positioned between the cover 308 and the rod body 1, and the annular baffle is matched with the internal thread a305 and the external thread a401 to complete the connection between the rod body 1 and the connector 3.

A sealing ring 7 is arranged at the joint of the rod body 1 and the connector 3, and the sealing ring 7 is positioned between the rod body 1 and the annular baffle 309, so that the joint of the connector 3 and the rod body 1 is hermetically connected; the intermediate body 301 and the connecting part b302 are fixedly connected through an intermediate block 3010; the cross section of the intermediate body 301 is circular, triangular, quadrilateral or hexagonal; the cross section of the connecting part b302 is circular, triangular, quadrangular or hexagonal; the pressure relief holes 6 form a spiral direction and are opposite to the rotation direction of the rod body 1 during drilling.

The working principle is as follows: when the coal cinder pressure relief device is used, when a hole is drilled and collapsed, coal cinder around the rod body 1 enters the pressure relief channel 5 through the pressure relief hole 6, so that the acting force of the coal cinder on a drill rod is released, and the inner wall of the rod body 1 is prevented from being damaged; when the pressure relief channel 5 needs to be washed, the cover body 308 is detached, the water inlet 307 is connected with an external water source, the interior of the pressure relief channel 5 is washed through the water spraying ports 306, the cleaning effect of the pressure relief channel 5 is improved, cleaning water and coal cinder can be discharged from the pressure relief holes 6, and the operation is convenient and rapid.

The above embodiments are only specific examples of the present invention, and the protection scope of the present invention includes but is not limited to the product forms and styles of the above embodiments, and any suitable changes or modifications made by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.

Claims

1. The triangular drill rod is characterized in that: comprises a rod body (1), a connecting part a (2) and a connector (3); the cross section of the rod body (1) is in a regular triangle shape, one end of the rod body (1) is in threaded connection with the connector (3), and the other end of the rod body is provided with a connecting part a (2) matched with the connector (3) for use; a cooling channel (4) and a pressure relief channel (5) are arranged in the rod body (1); a plurality of pressure relief holes (6) communicated with the pressure relief channel (5) are formed in the outer side surface of the rod body (1); the connector (3) comprises an intermediate body (301) and a connecting part b (302); a first channel (303) communicated with the cooling channel (4) and a second channel (304) communicated with the pressure relief channel (5) are arranged in the middle body (301); an external thread a (401) is arranged on the outer wall of one end of the cooling channel (4), an internal thread a (305) connected with the external thread a (401) is arranged on the inner wall of the channel I (303), and the rod body (1) is connected with the connector (3) through the internal thread a (305) and the external thread a (401); the end part of the intermediate body (301) is fixedly connected with a connecting part b (302) with an external thread b (3011), and the connecting part a (2) is provided with an internal thread b (201) matched with the external thread b (3011); and a plurality of water spray nozzles (306) and a plurality of water inlets (307) are formed in the second channel (304), the water spray nozzles (306) are positioned in the pressure relief channel (5), and the water inlets (307) are positioned between the rod body (1) and the connecting part b (302).

2. The kelly bar of claim 1, wherein: the water spray openings (306) comprise a first water spray opening (3061) perpendicular to the pressure relief channel (5) and a second water spray opening (3062) parallel to the pressure relief channel (5).

3. The kelly bar of claim 1 or 2, wherein: the water inlet (307) is in threaded connection with a cover body (308).

4. The kelly bar of claim 3, wherein: an annular baffle (309) is fixedly arranged on the intermediate body (301), and the annular baffle (309) is positioned between the cover body (308) and the rod body (1).

5. The kelly bar of claim 4, wherein: a sealing ring (7) is arranged at the joint of the rod body (1) and the connector (3), and the sealing ring (7) is located between the rod body (1) and the annular baffle (309).

6. The angle drill pipe of any one of claims 1, 2, 4, and 5, wherein: the intermediate body (301) is fixedly connected with the connecting part b (302) through an intermediate block (3010).

7. The angle drill pipe of any one of claims 1, 2, 4, and 5, wherein: the cross section of the intermediate body (301) is circular; the cross section of the connecting part b (302) is circular.

8. The kelly bar of claim 6, wherein: the pressure relief holes (6) form a spiral direction and are opposite to the rotating direction of the rod body (1) during drilling.

9. The kelly bar of claim 7, wherein: the pressure relief holes (6) form a spiral direction and are opposite to the rotating direction of the rod body (1) during drilling.