CN211715067U - Drilling rod for mining equipment - Google Patents

Drilling rod for mining equipment Download PDF

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Publication number
CN211715067U
CN211715067U CN201922264193.2U CN201922264193U CN211715067U CN 211715067 U CN211715067 U CN 211715067U CN 201922264193 U CN201922264193 U CN 201922264193U CN 211715067 U CN211715067 U CN 211715067U
Authority
CN
China
Prior art keywords
rod body
drilling rod
head
bolt head
drill rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201922264193.2U
Other languages
Chinese (zh)
Inventor
张晶
贺志城
廖恺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Wuzhong Mining Machinery Co ltd
Wuhan Heavy Duty Machine Tool Group Corp
Original Assignee
Wuhan Wuzhong Mining Machinery Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhan Wuzhong Mining Machinery Co ltd filed Critical Wuhan Wuzhong Mining Machinery Co ltd
Priority to CN201922264193.2U priority Critical patent/CN211715067U/en
Application granted granted Critical
Publication of CN211715067U publication Critical patent/CN211715067U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a drilling rod for mining equipment, including the drilling rod body, the one end of drilling rod body is provided with the bolt head, and the other end of drilling rod body is provided with the nut head, and the tip of bolt head is provided with the external screw thread, and the inside of nut head is provided with the internal thread of being connected with the external screw thread cooperation, and the pole portion diameter of drilling rod body all is less than the diameter of bolt head and nut head. The utility model discloses beneficial effect: the utility model discloses the one end of drilling rod body is provided with the bolt head, and the other end of drilling rod body is provided with the nut head, and the pole portion diameter of drilling rod body all is less than the diameter of bolt head and nut head, can increase the gap of drilling rod and ground hole like this, reduces area of contact, reduces frictional force, and then the power loss.

Description

Drilling rod for mining equipment
Technical Field
The utility model belongs to the technical field of the mining equipment technique and specifically relates to a drilling rod for mining equipment.
Background
The drill rod for the mining equipment is a transmission rod piece used for connecting a drill bit and drill bit driving equipment, the drill rod drills under the ground, the upper diameter and the lower diameter of the traditional drill rod are the same, no gap exists between the traditional drill rod and the inner wall of a ground hole, the contact area is enlarged, the friction force is increased, and the power loss is increased in the drilling process.
Therefore, it is necessary to provide a drill rod for mining equipment to solve the above problems.
SUMMERY OF THE UTILITY MODEL
To the not enough that exists among the above-mentioned prior art, the utility model aims to provide a drilling rod for mining equipment to solve above-mentioned problem.
The utility model provides a drilling rod for mining equipment, includes the drilling rod body, the one end of drilling rod body is provided with the bolt head, the other end of drilling rod body is provided with the nut head, the tip of bolt head is provided with the external screw thread, the inside of nut head is provided with the internal thread of being connected with the external screw thread cooperation, the pole portion diameter of drilling rod body all is less than the diameter of bolt head and nut head.
Preferably, the bolt head is externally provided with a first thread groove.
Preferably, a second thread groove is provided outside the nut head.
The beneficial effects of the preferable technical scheme are as follows: the first thread groove and the second thread groove play a spiral guiding role, and drilling and taking out of the drill rod are facilitated.
Preferably, the rod part of the drill rod body is provided with a plurality of raised rings distributed at intervals.
The beneficial effects of the preferable technical scheme are as follows: the raised ring reduces the contact area between the rod of the drill rod body and the inner wall of the ground hole.
Preferably, the diameter of the raised ring is smaller than the diameter of the bolt head and the nut head.
The beneficial effects of the preferable technical scheme are as follows: the contact area between the drill rod and the inner wall of the ground is reduced.
Preferably, the bolt head and the nut head are of the same diameter.
Preferably, the external and internal threads are both tapered.
The beneficial effects of the preferable technical scheme are as follows: the taper is convenient for the thread dismounting between the two drill rods.
Compared with the prior art, the utility model discloses beneficial effect: the utility model discloses the one end of drilling rod body is provided with the bolt head, and the other end of drilling rod body is provided with the nut head, and the pole portion diameter of drilling rod body all is less than the diameter of bolt head and nut head, can increase the gap of drilling rod and ground hole like this, reduces area of contact, reduces frictional force, and then the power loss.
Drawings
Fig. 1 and fig. 2 are the drill structure diagram for mining equipment provided by the present invention;
FIG. 3 is a schematic view of the connection between two drill rods of the present invention;
fig. 4 is a schematic view of the drill rod of the present invention in a state of drilling a ground hole.
Reference numbers in the figures: 1. a drill rod body; 2. a bolt head; 3. a nut head; 4. an external thread; 5. an internal thread; 6. a rod portion; 7. a first thread groove; 8. a second thread groove; 9. a raised ring; 10. a ground hole.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 and fig. 2 to 4, the drill rod for the mining equipment comprises a drill rod body 1, wherein a bolt head 2 is arranged at one end of the drill rod body 1, a nut head 3 is arranged at the other end of the drill rod body 1, an external thread 4 is arranged at the end part of the bolt head 2, an internal thread 5 which is in fit connection with the external thread is arranged inside the nut head 3, and the diameters of rod parts 6 of the drill rod body 1 are smaller than the diameters of the bolt head 2 and the nut head 3.
Further, the bolt head 2 is externally provided with a first thread groove 7.
Further, a second thread groove 8 is provided outside the nut head 3.
The beneficial effects of the further technical scheme are that: the first thread groove 7 and the second thread groove 8 play a role of spiral guiding, and drilling and taking out of the drill rod are facilitated.
Further, the rod part 6 of the drill rod body 1 is provided with a plurality of raised rings 9 distributed at intervals.
The beneficial effects of the further technical scheme are that: the raised ring 9 reduces the contact area of the shank of the drill shank body 1 with the inner wall of the ground hole 10.
Further, the diameter of the raised ring 9 is smaller than the diameter of the bolt head 2 and the nut head 3.
The beneficial effects of the further technical scheme are that: the contact area between the drill rod body 1 and the inner wall of the ground hole 10 is reduced.
Further, the bolt head 2 and the nut head 3 have the same diameter.
Further, the external thread 4 and the internal thread 5 are both tapered.
The beneficial effects of the further technical scheme are that: the taper is convenient for the thread dismounting between the two drill rods.
Compared with the prior art, the utility model discloses beneficial effect: the utility model discloses drilling rod body 1's one end is provided with bolt head 2, and drilling rod body 1's the other end is provided with nut head 3, and drilling rod body 1's pole portion diameter all is less than bolt head 2 and nut head 3's diameter, can increase the gap of drilling rod body 1 and ground hole 10 like this, reduces area of contact, reduces frictional force, and then the power loss.
The working principle is as follows: one end of the drill rod body 1 is provided with a bolt head 2, the other end of the drill rod body 1 is provided with a nut head 3, the end part of the bolt head 2 is provided with an external thread 4, and the inside of the nut head 3 is provided with an internal thread 5 which is connected with the external thread 4 in a matched mode.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.

Claims (3)

1. The utility model provides a drilling rod for mining equipment which characterized in that: the drill rod comprises a drill rod body (1), wherein a bolt head (2) is arranged at one end of the drill rod body (1), a nut head (3) is arranged at the other end of the drill rod body (1), an external thread (4) is arranged at the end part of the bolt head (2), an internal thread (5) which is in fit connection with the external thread is arranged inside the nut head (3), and the diameters of rod parts (6) of the drill rod body (1) are smaller than those of the bolt head (2) and the nut head (3); a first thread groove (7) is formed in the outer part of the bolt head (2); a second thread groove (8) is formed in the outer part of the nut head (3); a plurality of raised rings (9) distributed at intervals are arranged on the rod part (6) of the drill rod body (1); the diameters of the convex rings (9) are smaller than the diameters of the bolt head (2) and the nut head (3).
2. A drill rod for mining equipment as claimed in claim 1, wherein: the bolt head (2) and the nut head (3) have the same diameter.
3. A drill rod for mining equipment as claimed in claim 2, wherein: the external thread (4) and the internal thread (5) are both conical.
CN201922264193.2U 2019-12-16 2019-12-16 Drilling rod for mining equipment Active CN211715067U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922264193.2U CN211715067U (en) 2019-12-16 2019-12-16 Drilling rod for mining equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922264193.2U CN211715067U (en) 2019-12-16 2019-12-16 Drilling rod for mining equipment

Publications (1)

Publication Number Publication Date
CN211715067U true CN211715067U (en) 2020-10-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922264193.2U Active CN211715067U (en) 2019-12-16 2019-12-16 Drilling rod for mining equipment

Country Status (1)

Country Link
CN (1) CN211715067U (en)

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