CN220791139U - Underground tunneling drill bit - Google Patents
Underground tunneling drill bit Download PDFInfo
- Publication number
- CN220791139U CN220791139U CN202322414046.5U CN202322414046U CN220791139U CN 220791139 U CN220791139 U CN 220791139U CN 202322414046 U CN202322414046 U CN 202322414046U CN 220791139 U CN220791139 U CN 220791139U
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- Prior art keywords
- drill bit
- groove
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- spring
- drill
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- 230000005641 tunneling Effects 0.000 title abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 17
- 238000005553 drilling Methods 0.000 abstract description 19
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000001739 rebound effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model discloses an underground tunneling drill bit, and relates to the technical field of tunneling drill bits. This underground tunneling drill bit, including drilling rod, stop gear and buckle mechanism, the one end of drilling rod is provided with the drill bit body, and the top fixed mounting of drill bit body has the installation piece, and the mounting groove has been seted up to the one end of drilling rod, and the installation piece is laminated mutually with the inner wall of mounting groove, and the surface screw thread of drilling rod is installed and is protected the pipe, and buckle mechanism sets up in the mounting groove, and buckle mechanism includes the recess and supports the piece, and the surface of drilling rod is seted up flutedly, and the inside of recess is provided with supports the piece. This underground tunneling drill bit through the cooperation of installation piece, protection tube and buckle mechanism, can need not on the one hand with the help of the instrument and can carry out quick replacement to the drill bit body, on the other hand can protect buckle mechanism through the protection tube, guarantees buckle mechanism's stability, has improved the change efficiency of drill bit body, has promoted the practicality of drill bit.
Description
Technical Field
The utility model relates to the technical field of tunneling drill bits, in particular to an underground tunneling drill bit.
Background
The utility model discloses a tunnelling drill bit for colliery is disclosed to publication number CN215520800U, concretely relates to tunnelling drill bit technical field, including drilling rod and three drill bit, the drill bit is close to the fixed connecting block that is equipped with in one side of drilling rod tip, set up fixed screw on the connecting block, the drilling rod outer end is equipped with three fixing bolt, the drilling rod outer end is equipped with and shelters from the pipe, shelter from the pipe outer end fixedly and be equipped with helical blade. According to the utility model, the extended fixing groove and the fixing bolt are protected through the shielding pipe, the condition that the inside of the extended fixing groove and the inner hexagonal hole of the fixing bolt are blocked by soil, sand and the like is avoided, so that the fixing bolt is easy and convenient to detach, the detaching speed is high, the drill bit is independently arranged in a plurality of ways, only one damaged bit can be replaced when one of the drill bit is damaged, the use cost is saved, the resources are saved, broken materials can be discharged upwards through the arrangement of the spiral blades, the drilling speed is accelerated, and the tunneling efficiency is improved.
However, when the tunneling drill bit is used, when the drill bit needs to be replaced, the corresponding fixing bolt still needs to be detached by using the tool, so that the replacement of the drill bit needs to be guaranteed to be carried, and the replacement efficiency is low.
Disclosure of Invention
The utility model aims to provide an underground tunneling drill bit, which can solve the problem that the existing part of drill bit is troublesome to operate when being replaced.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a subterranean tunnelling drill bit comprising:
one end of the drill rod is provided with a drill bit body, the top of the drill bit body is fixedly provided with a mounting block, one end of the drill rod is provided with a mounting groove, the mounting block is attached to the inner wall of the mounting groove, and the outer surface of the drill rod is provided with a protective tube in a threaded manner;
the limiting mechanism is arranged in the drill rod and used for limiting the protection pipe so as to ensure the stability of the installation of the drill bit body;
the buckling mechanism is arranged in the mounting groove and comprises a groove and a supporting block, the outer surface of the drill rod is provided with the groove, and the supporting block is arranged in the groove.
Preferably, the buckle mechanism further comprises a clamping rod, a spring groove and a first spring, the clamping rod is fixedly installed on the abutting block, the spring groove is formed in the inner wall of the installation groove, the first spring is fixedly installed on the inner wall of the spring groove, the clamping hole is formed in the installation block, and one end of the clamping rod extends to the inside of the spring groove through the clamping hole and is attached to the first spring.
Preferably, the stop gear is including accomodating groove, stopper, second spring, spout and slider, and two sets of accomodates the groove in the surface of drilling rod, and the inside of two sets of accomodates the groove respectively is provided with a set of limit piece, and two sets of limit pieces respectively with two sets of inboard between accomodating the inner wall of groove fixed mounting have a set of second spring, and a set of spout has respectively been seted up to the inboard top and inboard bottom of two sets of accomodates the groove, and each slidable mounting has a set of slider in every group spout, and every group slider respectively passes through every group spout and stopper fixed connection.
Preferably, the top fixed mounting of installation piece has two sets of locating pieces, and two sets of constant head tanks have been seted up to the inner wall of mounting groove, and two sets of locating pieces respectively laminate with the inner wall of two sets of constant head tanks, have reached the effect of the effort that further stabilizes the drill bit body and rotate and produce.
Preferably, the helical blade is fixedly arranged on the outer surface of the protection tube, so that the effect of preventing accumulation of broken materials in lifting mode during the working of the drill bit is achieved.
Preferably, at least two groups of buttons are fixedly arranged on the outer surface of the drill bit body, so that the effect of more effectively drilling holes is achieved.
Preferably, the outer surface of the drill rod is provided with external threads.
Compared with the prior art, the utility model has the beneficial effects that:
(1) This underground tunneling drill bit, through the cooperation of installation piece, protection tube and buckle mechanism, on the one hand can need not to carry out quick replacement to the drill bit body with the help of the instrument, on the other hand can protect buckle mechanism through the protection tube, guarantee buckle mechanism's stability, when having solved current part tunneling drill bit when using, still need use the instrument to dismantle corresponding fixing bolt when needing to change the drill bit, lead to the change of drill bit to need guarantee the carrying of instrument, and change the not high problem of efficiency, improved the change efficiency of drill bit body, promoted the practicality of drill bit.
(2) This underground tunneling drill bit can carry out the position through stop gear and prescribe a limit to the protection tube, prevents to take place relative rotation between protection tube and the drilling rod at the in-process of drill bit rotation work and leads to the protection tube to can not protect buckle mechanism, has further guaranteed the stability that the drill bit body was installed through buckle mechanism, has also further guaranteed the result of use of drill bit, is favorable to the popularization and the use of drill bit.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a cross-sectional view of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is an enlarged view of the portion A of the present utility model;
fig. 4 is an enlarged view of the B site of the present utility model.
Reference numerals: 1. a drill rod; 2. a bit body; 3. a mounting block; 4. an external thread; 5. a protective tube; 6. a buckle mechanism; 601. a groove; 602. abutting blocks; 603. a clamping rod; 604. a spring groove; 605. a first spring; 7. a limiting mechanism; 701. a storage groove; 702. a limiting block; 703. a second spring; 704. a chute; 705. a slide block; 8. a positioning block; 9. a helical blade; 10. ball teeth.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides an underground tunneling drill bit, including drilling rod 1, stop gear 7 and buckle mechanism 6, the one end of drilling rod 1 is provided with drill bit body 2, the top fixed mounting of drill bit body 2 has installation piece 3, the mounting groove has been seted up to one end of drilling rod 1, installation piece 3 is laminated with the inner wall of mounting groove mutually, protection tube 5 is installed to the surface screw thread of drilling rod 1, stop gear 7 sets up in the inside of drilling rod 1, stop gear 7 is used for carrying out spacing to protection tube 5 in order to guarantee the stability of drill bit body 2 installation, two sets of locating pieces 8 are installed to the top fixed mounting of installation piece 3, two sets of constant head tanks have been seted up to the inner wall of mounting groove, two sets of locating pieces 8 are laminated with the inner wall of two sets of constant head tanks respectively, the surface fixed mounting of protection tube 5 has helical blade 9, the surface fixed mounting of drill bit body 2 has button 10 of two sets of at least, external screw thread 4 has been seted up to the surface of drilling rod 1;
the buckle mechanism 6 is arranged in the mounting groove, the buckle mechanism 6 comprises a groove 601 and a supporting block 602, the groove 601 is formed in the outer surface of the drill rod 1, and the supporting block 602 is arranged in the groove 601.
The buckle mechanism 6 still includes clamping rod 603, spring groove 604 and first spring 605, fixed mounting has clamping rod 603 on supporting piece 602, spring groove 604 has been seted up to the inner wall of mounting groove, the inner wall fixed mounting of spring groove 604 has first spring 605, the card hole has been seted up on the mounting piece 3, the one end of clamping rod 603 extends to the inside of spring groove 604 through the card hole and laminate mutually with first spring 605, under the cooperation of mounting piece 3, protection tube 5 and buckle mechanism 6, on the one hand can need not to carry out quick replacement to drill bit body 2 with the help of the instrument, on the other hand can protect buckle mechanism 6 through protection tube 5, the stability of buckle mechanism 6 is guaranteed, the change efficiency of drill bit body 2 has been improved, the practicality of drill bit has been promoted.
The limiting mechanism 7 comprises storage grooves 701, limiting blocks 702, second springs 703, sliding grooves 704 and sliding blocks 705, two groups of storage grooves 701 are formed in the outer surface of the drill rod 1, one group of limiting blocks 702 are respectively arranged in the two groups of storage grooves 701, one group of second springs 703 are fixedly arranged between the two groups of limiting blocks 702 and the inner walls of the two groups of storage grooves 701, one group of sliding grooves 704 are respectively formed in the top and the bottom of the inner side of the two groups of storage grooves 701, one group of sliding blocks 705 are respectively and slidably arranged in each group of sliding grooves 704, each group of sliding blocks 705 is fixedly connected with the limiting blocks 702 through each group of sliding grooves 704, the position of the protection tube 5 can be limited under the action of the limiting mechanism 7, the protection tube 5 cannot protect the buckling mechanism 6 due to relative rotation between the protection tube 5 and the drill rod 1 in the rotating process of the drill bit, the stability of the installation of the drill bit body 2 through the buckling mechanism 6 is further guaranteed, the using effect of the drill bit is further guaranteed, and the drill bit is facilitated to be popularized and used.
Working principle: when the drill bit works, the drill rod 1 is driven to rotate, the drill bit body 2 is driven to rotate, the spiral blade 9 on the protection tube 5 which rotates simultaneously lifts the broken material of the drill bit body 2, when the drill bit body 2 needs to be replaced, the limiting block 702 is pressed to the inside of the containing groove 701, the second spring 703 is compressed, after the limiting block 702 does not block the protection tube 5, the protection tube 5 is rotated to enable the protection tube 5 to move upwards on the drill rod 1 until the abutting block 602 is exposed, after the abutting block 602 is not abutted against by the inner wall of the protection tube 5, under the rebound effect of the first spring 605, the abutting block 602 is taken down by a clamping rod 603 in the ejection groove 601, after the clamping rod 603 on the abutting block 602 is not clamped with the installation block 3, the drill bit body 2 can be taken down for replacement, and the drill bit body 2 is installed according to the steps after replacement.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (7)
1. An underground boring bit, comprising:
one end of the drill rod (1) is provided with a drill bit body (2), the top of the drill bit body (2) is fixedly provided with a mounting block (3), one end of the drill rod (1) is provided with a mounting groove, the mounting block (3) is attached to the inner wall of the mounting groove, and the outer surface of the drill rod (1) is provided with a protection pipe (5) in a threaded manner;
the limiting mechanism (7) is arranged in the drill rod (1), and the limiting mechanism (7) is used for limiting the protection pipe (5) so as to ensure the stability of the installation of the drill bit body (2);
the buckling mechanism (6) is arranged in the mounting groove, the buckling mechanism (6) comprises a groove (601) and a supporting block (602), the groove (601) is formed in the outer surface of the drill rod (1), and the supporting block (602) is arranged in the groove (601).
2. An underground boring bit according to claim 1, wherein: the buckle mechanism (6) further comprises a clamping rod (603), a spring groove (604) and a first spring (605), the clamping rod (603) is fixedly installed on the abutting block (602), the spring groove (604) is formed in the inner wall of the installation groove, the first spring (605) is fixedly installed on the inner wall of the spring groove (604), the clamping hole is formed in the installation block (3), and one end of the clamping rod (603) extends to the inside of the spring groove (604) through the clamping hole and is attached to the first spring (605).
3. An underground boring bit according to claim 2, wherein: the limiting mechanism (7) comprises storage grooves (701), limiting blocks (702), second springs (703), sliding grooves (704) and sliding blocks (705), two groups of storage grooves (701) are formed in the outer surface of the drill rod (1), one group of limiting blocks (702) are respectively arranged in the two groups of storage grooves (701), one group of second springs (703) are fixedly arranged between the two groups of limiting blocks (702) and the inner walls of the two groups of storage grooves (701), one group of sliding grooves (704) are respectively formed in the top and the bottom of the inner side of the two groups of storage grooves (701), one group of sliding blocks (705) are respectively slidably arranged in each group of sliding grooves (704), and each group of sliding blocks (705) are fixedly connected with the limiting blocks (702) through each group of sliding grooves (704).
4. A subterranean tunnelling drill bit as claimed in claim 3, wherein: two groups of positioning blocks (8) are fixedly arranged at the top of the mounting block (3), two groups of positioning grooves are formed in the inner wall of the mounting groove, and the two groups of positioning blocks (8) are respectively attached to the inner walls of the two groups of positioning grooves.
5. An underground boring bit according to claim 4, wherein: the outer surface of the protection tube (5) is fixedly provided with a helical blade (9).
6. An underground boring bit according to claim 5, wherein: at least two groups of buttons (10) are fixedly arranged on the outer surface of the drill bit body (2).
7. An underground boring bit according to claim 6, wherein: an external thread (4) is arranged on the outer surface of the drill rod (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322414046.5U CN220791139U (en) | 2023-09-05 | 2023-09-05 | Underground tunneling drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322414046.5U CN220791139U (en) | 2023-09-05 | 2023-09-05 | Underground tunneling drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220791139U true CN220791139U (en) | 2024-04-16 |
Family
ID=90663557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322414046.5U Active CN220791139U (en) | 2023-09-05 | 2023-09-05 | Underground tunneling drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220791139U (en) |
-
2023
- 2023-09-05 CN CN202322414046.5U patent/CN220791139U/en active Active
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| GR01 | Patent grant |