CN215595501U

CN215595501U - Triangular arc special-shaped drill rod

Info

Publication number: CN215595501U
Application number: CN202023038308.5U
Authority: CN
Inventors: 王孟玉; 车景矿; 王为东; 魏娟; 郝学锋; 张松林
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: 2022-01-21
Anticipated expiration: 2030-12-17

Abstract

The utility model relates to the technical field of drill rods, in particular to a triangular arc special-shaped drill rod convenient to connect and maintain, which 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 cone connecting part a; the axis position of the rod body is provided with a cooling hole; the connector comprises a middle body and a cone connecting part b which are fixedly connected; a first channel and a second channel which are communicated with the cooling holes are arranged in the intermediate body; a screw rod is fixedly arranged in the first channel; and a water spray opening and a water inlet are formed in the second channel, the water spray opening is positioned in the cooling hole, and the water inlet is positioned between the rod body and the connecting part b. According to the utility model, adjacent rod bodies are connected through the connector, and the connector is provided with the water inlet and the water spray nozzle for spraying water in the through hole, so that the processing and the operation are convenient; when the cooling hole needs to be cleaned, the water inlet is connected with an external water source, and the water is sprayed into the cooling hole through the water spraying opening, so that the flushing effect of the cooling hole is improved.

Description

Triangular arc special-shaped drill rod

Technical Field

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

Background

A large amount of drilling operations are performed in the mining process, one of the most important devices in the drilling operations is a drill rod, wherein the three-edged drill rod is used for stirring by utilizing the three-edged differential diameter to enable coal cinder not to be precipitated, so that the coal cinder can be efficiently discharged in the drilling process, the drilling tool is prevented from being locked by a soft coal seam, the drilling tool is prevented from being stuck, the gas pumping and discharging efficiency of a coal mine is improved, and the safety production of the coal mine is ensured. The existing triangular drill rod has various structures, and for example, Chinese patent CN201420461555.1 discloses an efficient triangular drill rod, which comprises a drill rod body, wherein the drill rod body is a triangular prism, the edge angle of the triangular prism is an arc angle, and the front section of the drill rod body is a cone-shaped outer cone wire; an inner cone wire is arranged inside the tail section of the drill rod body; the outer surface of the edge of the drill rod body is provided with a discontinuous concave spiral groove; the depth of the spiral groove is not less than 5 mm; the diameter of the tail section of the drill rod body is larger than that of the middle section of the drill rod body. The utility model discloses a creep into when the construction of soft coal seam efficiently, arrange the sediment efficient, the pore-forming rate is high. The CN201520057086.1 trigone integrated into one piece drilling rod comprises a drilling rod body of an integrated structure, wherein the outer surface of the drilling rod body is of a triangular prism structure, and the arc of the edge angle position on the surface of the triangular prism is excessive; a through hole is formed in the axis position of the drill rod body; the upper end and the lower end of the drill rod body are provided with integrally formed necking parts for necking down after heating, the necking part at the upper end is provided with external threads, and the inner hole at the necking part at the lower end is provided with internal threads, so that the problem of the strength bottom of the triangular drill rod provided by the existing similar patents is solved. But is not easy to process and maintain due to the monolithic structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a triangular arc special-shaped drill rod convenient to connect and maintain.

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

a triangular arc special-shaped drill rod 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 cone connecting part a matched with the connector; the axis position of the rod body is provided with a cooling hole; the connector comprises an intermediate body and a cone connecting part b fixedly connected with the intermediate body; a first channel and a second channel which are communicated with the cooling holes are arranged in the intermediate body; a screw rod is fixedly arranged in the first channel and extends to the other end of the cooling hole; the second channel is provided with a plurality of water spray nozzles and a plurality of water inlets, the water spray nozzles are positioned in the cooling holes, and the water inlets are positioned between the rod body and the connecting part b; the outer wall of one end of the intermediate body is provided with an external thread a, and the cone connecting part b is provided with an external thread b; an internal thread a matched with the external thread a is arranged inside one end of the rod body, and an internal thread b matched with the external thread b is arranged at the other end of the rod body; the rod body is connected with the connector through an internal thread a and an external thread a. The adjacent rod bodies are connected through a connector, and a water inlet and a water spray nozzle for spraying water in the through hole are arranged on the connector, so that the processing and the operation are convenient; when the cooling hole needs to be cleaned, the water inlet is connected with an external water source, and the water is sprayed into the cooling hole through the water spraying opening, so that the flushing effect of the cooling hole is improved.

Further, the central point of hob and solid fixed ring puts fixed connection, gu fixed ring outer wall and midbody inner wall fixed connection, the hob passes through the fixed setting of fixed ring in the cooling hole, makes the hob more firm.

Further, the screw rod is coaxially arranged with the cooling hole,

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 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 outside of the rod body is provided with three convex edges, the edges of the convex edges are arc angles, open grooves are formed in the convex edges, and the open grooves are formed along the convex edges at intervals.

The utility model has the technical effects that:

compared with the prior art, the triangular arc special-shaped drill rod has the advantages that the adjacent rod bodies are connected through the connector, and the water inlet and the water spray nozzle are arranged on the connector, so that the flushing effect on the inner part of the rod body is improved, the processing and the maintenance operation are convenient, the structure of the rod body is not required to be modified, and the application range is wide; the utility model arranges the spiral rod in the cooling hole, which improves the cooling effect, and the utility model has simple structure design, convenient disassembly and assembly, and the connecting quantity of the rod bodies can be controlled at will.

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 right side view of FIG. 2 of the present invention;

FIG. 4 is a schematic view of the connector and the screw rod of the present invention;

FIG. 5 is an enlarged view of the retaining ring structure of the present invention.

In the figure, a rod body 1, a connecting part a2, a cooling hole 4, a sealing ring 5, a rib 6, an open groove 7, an internal thread a101, an internal thread b102, an intermediate body 301, a connecting part b302, a channel I303, a channel II 304, a spiral rod 305, a water spray opening 306, a water inlet 307, an external thread a308, an external thread b309, a fixing ring 3010, a cover body 3011 and an annular baffle 3012.

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 triangular arc special-shaped drill rod comprises a rod body 1, a connecting part a2 and a connecting head; one end of the rod body 1 is in threaded connection with the connector, and the other end of the rod body is provided with a cone connecting part a2 matched with the connector; the axis position of the rod body 1 is provided with a cooling hole 4; the connector comprises a middle body 301 and a cone connecting part b302 fixedly connected with the middle body 301; a first channel 303 and a second channel 304 which are communicated with the cooling hole 4 are arranged in the middle body 301; a screw rod 305 is fixedly arranged in the first channel 303, and the screw rod 305 extends to the other end of the cooling hole 4; 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 cooling holes 4, and the water inlets 307 are positioned between the rod body 1 and the connecting part b 302; an external thread a308 is arranged on the outer wall of one end of the middle body 301, and an external thread b309 is arranged on the cone connecting part b 302; an internal thread a101 matched with the external thread a308 is arranged in one end of the rod body 1, and an internal thread b102 matched with the external thread b309 is arranged at the other end of the rod body; the rod body 1 is connected with the connector through an internal thread a101 and an external thread a 308. The adjacent rod bodies 1 are connected through a connector, and a water inlet 307 and a water spray outlet 306 for spraying water in the through hole are arranged on the connector, so that the processing and the operation are convenient; when the cooling hole 4 needs to be cleaned, the water inlet 307 is connected with an external water source, and the water is sprayed into the cooling hole 4 through the water spraying port 306, so that the flushing effect on the cooling hole 4 is improved.

The central point of hob 305 and solid fixed ring 3010 puts fixed connection, gu fixed ring 3010 outer wall and intermediate 301 inner wall fixed connection, hob 305 is fixed through solid fixed ring 3010 and is set up in cooling hole 4, makes hob 305 more firm.

The screw 305 is arranged coaxially with the cooling hole 4,

the water inlet 307 is in threaded connection with a cover body 3011 for plugging the water inlet 307, and the operation is convenient and fast; an annular baffle 3012 is fixedly arranged on the intermediate body 301, the annular baffle 3012 is located between the cover body 3011 and the rod body 1, and the annular baffle 3012 is matched with the internal thread a101 and the external thread a308 to complete connection between the rod body 1 and the connector.

A sealing ring 5 is arranged at the joint of the rod body 1 and the connector, and the sealing ring 5 is positioned between the rod body 1 and the annular baffle 3012, so that the joint of the connector and the rod body 1 is in sealing connection; the cross section of the intermediate body 301 is circular; the cross section of the connecting part b302 is circular.

The outside of the rod body 1 is provided with three convex edges 6, the edges of the convex edges 6 are arc angles, open grooves 7 are formed in the convex edges 6, and the open grooves 7 are formed along the convex edges 6 at intervals.

The working principle is as follows: in the embodiment, the adjacent rod bodies 1 are connected through the connector, and the connector is provided with the water inlet 307 and the water spray nozzle 306 for spraying water into the through hole, so that the processing and the operation are convenient; when the cooling hole 4 needs to be cleaned, the water inlet 307 is connected with an external water source, and the cooling hole 4 is sprayed through the water spraying port 306, so that the cleaning effect on the cooling hole 4 is improved; the spiral rod 305 is arranged in the cooling hole 4, so that the cooling water flows in the cooling hole 4, and the cooling effect is improved; the arrangement of the open slot 7 ensures that the drill rod has better slag discharging effect when drilling.

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 arc special-shaped drill rod comprises a rod body (1), a connecting part a (2) and a connector; the method is characterized in that: one end of the rod body (1) is in threaded connection with the connector, and the other end of the rod body is provided with a cone connecting part a (2) matched with the connector; the axis position of the rod body (1) is provided with a cooling hole (4); the connector comprises a middle body (301) and a cone connecting part b (302) fixedly connected with the middle body (301); a first channel (303) and a second channel (304) which are communicated with the cooling hole (4) are arranged in the middle body (301); a screw rod (305) is fixedly arranged in the first channel (303), and the screw rod (305) extends to the other end of the cooling hole (4); 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 cooling holes (4), and the water inlets (307) are positioned between the rod body (1) and the connecting part b (302); an external thread a (308) is arranged at one end of the middle body (301), and an external thread b (309) is arranged on the cone connecting part b (302); an internal thread a (101) matched with the external thread a (308) is arranged in one end of the rod body (1), and an internal thread b (102) matched with the external thread b (309) is arranged at the other end of the rod body; the rod body (1) is connected with the connector through an internal thread a (101) and an external thread a (308).

2. The triangular arc special-shaped drill rod as claimed in claim 1, wherein: the central position fixed connection of hob (305) and solid fixed ring (3010), gu fixed ring (3010) outer wall and midbody (301) inner wall fixed connection.

3. The triangular arc special-shaped drill rod according to claim 1 or 2, characterized in that: the screw rod (305) is arranged coaxially with the cooling hole (4).

4. The triangular arc special-shaped drill rod according to claim 1 or 2, characterized in that: the water inlet (307) is in threaded connection with a cover body (3011).

5. The triangular arc special-shaped drill rod as claimed in claim 4, wherein: an annular baffle (3012) is fixedly arranged on the intermediate body (301), and the annular baffle (3012) is located between the cover body (3011) and the rod body (1).

6. The triangular arc special-shaped drill rod as claimed in claim 5, wherein: a sealing ring (5) is arranged at the joint of the rod body (1) and the connector, and the sealing ring (5) is located between the rod body (1) and the annular baffle (3012).

7. The triangular arc special-shaped drill rod as claimed in any one of claims 1, 2, 5 and 6, wherein: the cross section of the intermediate body (301) is circular, triangular, quadrilateral or hexagonal; the cross section of the connecting part b (302) is circular, triangular, quadrangular or hexagonal.

8. The triangular arc special-shaped drill rod as claimed in claim 7, wherein: the novel rod is characterized in that three convex edges (6) are arranged on the outer portion of the rod body (1), the edges of the convex edges (6) are arc-shaped angles, open grooves (7) are formed in the convex edges (6), and the open grooves (7) are formed at intervals along the convex edges (6).