CN215632898U - Dredging tool for blocking central hole of rock drilling rod - Google Patents

Dredging tool for blocking central hole of rock drilling rod Download PDF

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Publication number
CN215632898U
CN215632898U CN202121166153.5U CN202121166153U CN215632898U CN 215632898 U CN215632898 U CN 215632898U CN 202121166153 U CN202121166153 U CN 202121166153U CN 215632898 U CN215632898 U CN 215632898U
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CN
China
Prior art keywords
sleeve
steel bar
drill rod
sliding
billet
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Active
Application number
CN202121166153.5U
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Chinese (zh)
Inventor
程继辉
张国龙
尚金泉
屈少卫
于建平
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Jinchuan Group Nickel Cobalt Co ltd
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Jinchuan Group Co Ltd
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Priority to CN202121166153.5U priority Critical patent/CN215632898U/en
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Publication of CN215632898U publication Critical patent/CN215632898U/en
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Abstract

The utility model discloses a dredging tool for blocking a central hole of a rock drilling rod, wherein a drill bit is arranged at one end of a steel bar, and when the steel bar is rotated by a driving assembly, the drill bit can drill away a blocking object in the rock drilling rod, so that the dredging tool is easier and more effective than the existing mode; the bush cover is established on the billet, and the sleeve passes through the bearing with the billet and is connected, can overlap the bush on the drill rod, the billet is deepened inside the drill rod centre bore and make its pivoted in-process can prevent to be in the stability of the billet of the outside portion of drill rod centre bore under drive assembly's effect, avoid the billet to bend by a wide margin and swing, the driving lever is located the notch rather than sliding connection, it can make the billet rotate with reciprocating through the cooperation of driving lever and notch to remove the sliding sleeve, the steam generator is simple in structure, it is convenient to use, can in time dredge the drill rod centre bore, guarantee the construction progress.

Description

Dredging tool for blocking central hole of rock drilling rod
Technical Field
The utility model belongs to the field of rock drilling rods, and particularly relates to a dredging tool for blocking a central hole of a rock drilling rod.
Background
According to the technical standards of rock drilling tools for mining, roadway tunneling and various rock drilling operations, except for medium-deep hole drilling, a connecting rod drill rod is adopted, and shallow hole drilling generally adopts a hexagonal drill rod and a circular drill rod with a central hole. The drill rod is easy to cause the central hole of the drill rod to be blocked by rock powder due to the influence of factors such as improper operation, unstable water pressure and the like in the rock drilling process. The size of the central hole is small, so that the drill rod is not easy to dredge after being blocked by rock powder, once the central hole of the drill rod is blocked, the drill rod cannot be used continuously, and the blocked drill rod can only be scrapped. At present, no special dredging tool is arranged after a drill rod central hole is blocked, an iron wire is usually adopted on the site for dredging, time and labor are wasted when the iron wire is used for dredging, the drill rod central hole cannot be dredged in time after the iron wire is deformed insufficiently in strength, rock powder is condensed in the drill rod central hole, the drill rod cannot be used again after being blocked, serious waste of materials is caused, and construction progress is delayed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: the drill rod center hole dredging tool is simple in structure and convenient to use, and can dredge the drill rod center hole in time to guarantee construction progress.
The technical scheme adopted by the utility model is as follows:
a tool for dredging the blockage of a central hole of a rock drilling rod comprises a steel bar, a sleeve, a bearing and a driving assembly;
one end of the steel bar is provided with a drill bit;
the sleeve is sleeved on the steel bar and connected with the steel bar through a bearing, and the bearing is positioned at one end far away from the drill bit;
a gap is formed between the steel bar and the sleeve, the diameter of the steel bar is smaller than the center hole of the drill rod, and the inner diameter of the sleeve is larger than the outer diameter of the drill rod;
the driving assembly comprises a sliding sleeve, the sliding sleeve is sleeved on the sleeve, and the sliding sleeve is connected with the sleeve through a sliding structure; a driving lever is fixed at one end, close to the bearing, of the steel bar, a spiral notch is formed in the sliding sleeve, and the driving lever is located in the notch and is connected with the notch in a sliding mode.
The further technical scheme is as follows: the drill bit end is provided with a tip, and the tip is provided with threads.
The further technical scheme is as follows: the distance between the steel bar and the drill rod center hole is 0.5 mm.
The further technical scheme is as follows: and one end of the steel bar, which is close to the drill bit, is provided with a spiral convex rib part.
The further technical scheme is as follows: the free end of the sleeve is fixed with a handle.
The further technical scheme is as follows: the sliding structure comprises a sliding groove formed in the sleeve, and a sliding block matched with the sliding groove is arranged on the sliding sleeve, and the sliding block is located inside the sliding groove.
The further technical scheme is as follows: a support ring is fixed in the middle of the outer wall of the sleeve, a pressure spring is sleeved on the sleeve, one end of the pressure spring is in contact with the support ring, and the other end of the pressure spring is in contact with the end portion of the sliding sleeve.
In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:
1. one end of the steel bar is provided with a drill bit, and when the steel bar rotates through the driving assembly, the drill bit can drill away a plug in the drill rod, so that the drill rod is easier and more effective compared with the conventional mode;
2. the bush cover is established on the billet, and the sleeve passes through the bearing with the billet and is connected, can overlap the bush on the drill rod, and the billet is deepened inside the drill rod centre bore and make its pivoted in-process can prevent to be in the stability of the billet of the outside part of drill rod centre bore under drive assembly's effect, avoids the billet to bend by a wide margin and swing.
3. A gap is formed between the steel bar and the sleeve, so that blocking powder drilled by the drill bit can enter the gap, the diameter of the steel bar is smaller than that of the center hole of the drill rod, the inner diameter of the sleeve is larger than that of the drill rod, the steel bar can extend into the center hole of the drill rod, and the sleeve can be sleeved on the drill rod;
4. being connected with the help of sliding construction between sliding sleeve and the sleeve among the drive assembly, being fixed with the driving lever in the one end that is close to the bearing on the billet, having seted up on the sliding sleeve and being spiral helicine notch, the driving lever is located the notch rather than sliding connection, and it can make the billet rotate with reciprocating through the cooperation of driving lever and notch to remove the sliding sleeve, this simple structure, it is convenient to use, can in time dredge the drill rod centre bore, guarantees the construction progress.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a partial structural view of the end of the steel bar where the drill bit is located;
FIG. 3 is a schematic view of the structure of the present invention in which the steel bar is coupled to the sleeve via a bearing;
fig. 4 is a schematic sectional structure view of the connection between the sliding sleeve and the poking rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments.
As shown in fig. 1-4. A tool for dredging the blockage of a central hole of a rock drilling rod comprises a steel bar 1, a sleeve 2, a bearing 3 and a driving assembly; one end of the steel bar 1 is provided with a drill 4; the sleeve 2 is sleeved on the steel bar 1, the sleeve 2 is connected with the steel bar 1 through a bearing 3, and the bearing 3 is positioned at one end far away from the drill bit 4; a gap is arranged between the steel bar 1 and the sleeve 2, the diameter of the steel bar 1 is smaller than the center hole of the drill rod, and the inner diameter of the sleeve 2 is larger than the outer diameter of the drill rod; the driving assembly comprises a sliding sleeve 5, the sliding sleeve 5 is sleeved on the sleeve 2, and the sliding sleeve 5 is connected with the sleeve 2 through a sliding structure; the one end that is close to bearing 3 on billet 1 is fixed with driving lever 6, offers on the sliding sleeve 5 to be spiral helicine notch 7, and driving lever 6 is located notch 7 and its sliding connection.
According to the utility model, the steel bar 1 can be rotated by moving the sliding sleeve 5 of the driving assembly and by means of the matching of the deflector rod 6 on the steel bar 1 and the notch 7 on the sliding sleeve 5; after stretching into the billet 1 the drill rod centre bore, sleeve 2 cover is on the drill rod, make billet 1 rotate and continue to make billet 1 stretch into through drive assembly in this process, can drill the stopper through the drill bit 4 of billet 1 front end, the powder of stopper can be in the clearance between billet 1 and the drill rod centre bore, if the stopper is more can take out billet 1 at interval a period and pour out stopper powder.
One end of the steel bar 1 is provided with a drill bit 4, when the steel bar 1 rotates through the driving assembly, the drill bit 4 can drill a plug in the drill rod, and compared with the existing mode, the method is easier and more effective; the sleeve 2 is sleeved on the steel bar 1, the sleeve 2 is connected with the steel bar 1 through the bearing 3, the sleeve 2 can be sleeved on the drill rod, the steel bar 1 extends into a drill rod center hole and can prevent the stability of the steel bar 1 positioned outside the drill rod center hole in the process of rotating the steel bar 1 under the action of the driving assembly, and the steel bar 1 is prevented from being bent and swung greatly; a gap is formed between the steel bar 1 and the sleeve 2, so that blocking powder drilled by the drill bit 4 can enter the gap, the diameter of the steel bar 1 is smaller than that of a drill rod central hole, the inner diameter of the sleeve 2 is larger than the outer diameter of the drill rod, the steel bar 1 can extend into the drill rod central hole, and the sleeve 2 can be sleeved on the drill rod; being connected with the help of sliding structure between sliding sleeve 5 and the sleeve 2 among the drive assembly, being fixed with driving lever 6 in the one end that is close to bearing 3 on billet 1, having seted up on sliding sleeve 5 and being spiral helicine notch 7, driving lever 6 is located notch 7 rather than sliding connection, and it makes billet 1 reciprocating rotation through the cooperation of driving lever 6 with notch 7 to remove sliding sleeve 5, this simple structure, and it is convenient to use, can in time dredge the drill rod centre bore, guarantees the construction progress.
4 tip of drill bit is equipped with tip 8, has the screw thread on the tip 8, and 8 tips can bore into the plug when billet 1 rotates, avoid drill bit 4 to swing by a wide margin, improve 4 work efficiency of drill bit.
The distance between the steel bar 1 and the drill rod center hole is 0.5mm, the strength of the steel bar 1 can be guaranteed on the basis that the drilled powder has a placing space, and the thicker the steel bar 1 is, the higher the strength is.
The end of the steel bar 1 close to the drill bit 4 is provided with a spiral convex rib part 9, and the spiral convex rib of the spiral convex rib part 9 can continuously convey the drilled powder backwards.
A handle 10 is fixed to the free end of the sleeve 2 to facilitate movement of the sleeve 2 by the handle 10.
The sliding structure comprises a sliding groove 11 formed in the sleeve 2, and a sliding block 12 matched with the sliding groove 11 is arranged on the sliding sleeve 5, and the sliding block 12 is located inside the sliding groove 11 to realize sliding connection between the sliding sleeve 5 and the sleeve 2.
The fixed support ring 13 in outer wall middle part of sleeve 2, the cover is equipped with pressure spring 14 on this sleeve 2, pressure spring 14 one end and the contact of support ring 13, the tip contact of its other end and sliding sleeve 5, can be when moving sliding sleeve 5 and moving to sleeve 2 direction, produce pressure through pressure spring 14 to sleeve 2 and make it have the trend of removing to the drill rod direction, when moving sliding sleeve 5 drive billet 1 and rotating, billet 1 also can continue to stretch into the drill rod centre bore, make drill bit 4 withstand the jam.
The above are merely preferred embodiments of the present invention.

Claims (7)

1. The utility model provides a rock drilling rod centre bore blocks up dredging tool which characterized in that: the steel bar-type transmission device comprises a steel bar (1), a sleeve (2), a bearing (3) and a driving assembly;
one end of the steel bar (1) is provided with a drill bit (4);
the sleeve (2) is sleeved on the steel bar (1), the sleeve (2) is connected with the steel bar (1) through a bearing (3), and the bearing (3) is located at one end far away from the drill bit (4);
a gap is formed between the steel bar (1) and the sleeve (2), the diameter of the steel bar (1) is smaller than the center hole of the drill rod, and the inner diameter of the sleeve (2) is larger than the outer diameter of the drill rod;
the driving assembly comprises a sliding sleeve (5), the sliding sleeve (5) is sleeved on the sleeve (2), and the sliding sleeve (5) is connected with the sleeve (2) through a sliding structure; a driving lever (6) is fixed at one end, close to the bearing (3), of the steel bar (1), a spiral notch (7) is formed in the sliding sleeve (5), and the driving lever (6) is located in the notch (7) and is in sliding connection with the notch (7).
2. A rock drill rod central hole blockage removal tool as claimed in claim 1 wherein: the end part of the drill bit (4) is provided with a tip (8), and the tip (8) is provided with threads.
3. A rock drill rod central hole blockage removal tool as claimed in claim 1 wherein: the distance between the steel bar (1) and the drill rod center hole is (0) · (5) mm.
4. A rock drill rod central hole blockage removal tool as claimed in claim 1 wherein: one end of the steel bar (1) close to the drill bit (4) is provided with a spiral rib part (9).
5. A rock drill rod central hole blockage removal tool as claimed in claim 1 wherein: the free end of the sleeve (2) is fixed with a handle (10).
6. A rock drill rod central hole blockage removal tool as claimed in claim 1 wherein: the sliding structure comprises a sliding groove (11) formed in the sleeve (2), and a sliding block (12) matched with the sliding groove (11) is arranged on the sliding sleeve (5), and the sliding block (12) is located inside the sliding groove (11).
7. A rock drill rod central hole blockage removal tool as claimed in claim 1 wherein: a supporting ring (13) is fixed in the middle of the outer wall of the sleeve (2), a pressure spring (14) is sleeved on the sleeve (2), one end of the pressure spring (14) is in contact with the supporting ring (13), and the other end of the pressure spring is in contact with the end of the sliding sleeve (5).
CN202121166153.5U 2021-05-28 2021-05-28 Dredging tool for blocking central hole of rock drilling rod Active CN215632898U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121166153.5U CN215632898U (en) 2021-05-28 2021-05-28 Dredging tool for blocking central hole of rock drilling rod

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121166153.5U CN215632898U (en) 2021-05-28 2021-05-28 Dredging tool for blocking central hole of rock drilling rod

Publications (1)

Publication Number Publication Date
CN215632898U true CN215632898U (en) 2022-01-25

Family

ID=79939799

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121166153.5U Active CN215632898U (en) 2021-05-28 2021-05-28 Dredging tool for blocking central hole of rock drilling rod

Country Status (1)

Country Link
CN (1) CN215632898U (en)

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GR01 Patent grant
GR01 Patent grant
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TR01 Transfer of patent right

Effective date of registration: 20240223

Address after: 737100 No. 2 Lanzhou Road, Beijing Road Street, Jinchuan District, Jinchang City, Gansu Province

Patentee after: Jinchuan Group Nickel Cobalt Co.,Ltd.

Country or region after: China

Address before: 737100 Beijing Road, Jinchang City, Gansu Province

Patentee before: JINCHUAN GROUP Co.,Ltd.

Country or region before: China