CN210738473U

CN210738473U - Anti-drop drill bit is used in mineral exploration

Info

Publication number: CN210738473U
Application number: CN201921906340.5U
Authority: CN
Inventors: 应燕青
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-06-12
Anticipated expiration: 2029-11-07

Abstract

The utility model discloses an anti-drop drill bit is used in mineral exploration, including main drill bit, rig bottom output is equipped with and presss from both sides tight dish, the pivot hole endotheca that presss from both sides tight dish is equipped with the pivot, pivot bottom overcoat is equipped with the shaft coupling, shaft coupling bottom endotheca is equipped with the borer sleeve, be equipped with main drill bit in the borer sleeve, be equipped with the external gear ring on the main drill bit inner wall, the internal toothing of external gear ring is equipped with the internal gear ring, install the bearing in the bearing hole of internal gear ring, be equipped with vice drill bit in the bearing. The utility model discloses, simple structure is quick detachable, under the prerequisite of guaranteeing the security, has increased the fastening nature and the stability of drill bit, has alleviateed the degree of difficulty of user's operation simultaneously, has increased work efficiency.

Description

Anti-drop drill bit is used in mineral exploration

Technical Field

The utility model relates to a drill bit technical field especially relates to an anti-drop drill bit is used in mineral exploration.

Background

In the mineral exploration process, mineral rocks needing to be sampled and drilled are frequently encountered, the rotary drill bit can rotate under the drive of machinery, so that the whole drill bit is driven to move centripetally, the rocks are cracked and broken through cutting and grinding, and the effect of drilling downwards is achieved.

When the old-fashioned drilling machine drills, if the drill bit is broken off, the broken part is remained in the hole and is difficult to take out, so that the drilled hole is wasted, the time and the cost are increased, and great inconvenience is brought to a user. Therefore, the anti-falling drill bit for mineral exploration is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an anti-drop drill bit for mineral exploration.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an anti-drop drill bit for mineral exploration, includes main drill bit, rig bottom output is equipped with and presss from both sides tight dish, it has the pivot hole to press from both sides tight dish to cave in for ring plate shape and centre, the pivot downthehole cover is equipped with the pivot, pivot bottom overcoat is equipped with the shaft coupling, shaft coupling bottom endotheca is equipped with the borer sleeve, the borer sleeve has the open slot for cylinder cylindric and bottom are sunken, be equipped with main drill bit in the borer sleeve, main drill bit is upper end cylindric bottom infundibulate drill bit, be equipped with outer gear ring on the main drill bit inner wall, outer gear intra-annular meshing is equipped with the internal gear ring, the vertical sunkenly has the dead eye on the internal gear ring, install the bearing in the dead eye.

Preferably, the clamping disc is provided with first screw holes uniformly distributed on the side surface, each first screw hole is internally and spirally connected with a first bolt, the rotating shaft is provided with a first positioning hole corresponding to the first screw hole in a concave mode, and the inner end of each bolt is located in the corresponding first positioning hole.

Preferably, the two sides of the drill sleeve are transversely recessed with second positioning holes, the main drill bit is recessed with second threaded holes corresponding to the second positioning holes, each second threaded hole is internally and spirally connected with a second bolt, the outer ends of the second bolts are located in the corresponding second positioning holes, and the outer sides of the second positioning holes are provided with dust caps.

Preferably, the inner side wall of the drill sleeve is provided with an external thread, the outer side wall of the upper part of the main drill is provided with an internal thread corresponding to the external thread, and the external thread is meshed with the internal thread.

Preferably, the bottom end of the main drill bit is provided with a main drill tooth, the bottom end of the auxiliary drill bit is provided with an auxiliary drill tooth, and the outer wall of the main drill bit is longitudinally recessed to form a pair of heat dissipation holes.

Preferably, the bottom of the rotating shaft is fixedly connected with the inner wall of the upper end of the coupler, and the top of the drill sleeve is fixedly connected with the inner wall of the lower end of the coupler.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the main drill bit and the internal and external thread locking assembly are locked through the first bolt, the second bolt, the rotating shaft and the internal and external thread locking assembly, so that the fastening performance and the stability of the drill bit are improved, and meanwhile, the situation that the drill bit falls off can be effectively avoided;

2. by adding the coupler and the main and auxiliary double drill bits, the drill bit falling is prevented from being interrupted under the condition of overhigh rotating speed, and meanwhile, the double drill bits increase the working efficiency and the working safety;

to sum up, the utility model discloses, simple structure is quick detachable, under the prerequisite of guaranteeing the security, has increased the fastening nature and the stability of drill bit, has alleviateed the degree of difficulty of user's operation simultaneously, has increased work efficiency.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limitation. In the drawings:

FIG. 1 is a front sectional view of an anti-drop drill for mineral exploration according to the present invention;

FIG. 2 is a cross-sectional view of the main drill bit of the anti-drop drill bit for mineral exploration according to the present invention;

FIG. 3 is a bottom view of the main drill bit of the anti-drop drill bit for mineral exploration according to the present invention;

FIG. 4 is a front view of the anti-drop drill for mineral exploration according to the present invention;

FIG. 5 is an enlarged view of the point A in FIG. 1 of the anti-drop drill for mineral exploration according to the present invention;

number in the figure: the drill bit comprises a first bolt 1, a rotating shaft 2, a drill sleeve 3, an external thread 4, a heat dissipation hole 5, a main drill bit 6, a drilling machine 7, a clamping disc 8, a coupling 9, an internal thread 10, a main drill bit 11, a second thread hole 12, an external gear ring 13, an internal gear ring 14, a bearing 15, an auxiliary drill bit 16, an auxiliary drill bit 17, a second bolt 18 and a dust cap 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example (b): referring to fig. 1-5, an anti-drop drill bit for mineral exploration comprises a main drill bit 6 and a drilling machine 7, wherein the output end of the bottom of the drilling machine 7 is provided with a clamping disc 8, the clamping disc 8 is in a circular ring plate shape, the middle of the clamping disc is provided with a rotating shaft hole, a rotating shaft 2 is sleeved in the rotating shaft hole, the clamping disc 8 clamps the rotating shaft 2 through the rotating shaft hole, so that the rotating shaft 2 is not easy to drop off after rotating at high speed, the bottom end of the rotating shaft 2 is sleeved with a coupler 9, the bottom end of the coupler 9 is sleeved with a drill rod sleeve 3, the drill rod sleeve 3 is in a cylindrical barrel shape, the bottom end of the drill rod sleeve 3 is provided with an open slot, the coupler 9 increases the buffering, vibration damping and shafting dynamic performance improvement of the rotating shaft 2 and the drill rod sleeve 3, the main drill bit 6 is provided with an upper-end cylindrical funnel-shaped drill bit, the inner wall of, outer gear ring 13 and internal gear ring 14 are rotatory through the meshing, have increased the stability when high-speed rotation, and vertical sunken have the dead eye on the internal gear ring 14, installs bearing 15 in the dead eye, and bearing 15 is XRU3515UCC0P5 slewing bearing, is equipped with vice drill bit 16 in the

bearing

15, and 16 tops of vice drill bit are equipped with the shock pad, and the shock pad has increased 16 stabilities of vice drill bit and firmness.

The utility model discloses in, 8 side equipartitions of clamping disk are sunken to have first silk hole, and the quantity in first silk hole is four, and every first silk is downthehole equal threaded connection has first bolt 1, and 2 shanks sunken first locating holes that have and correspond with first silk hole, and 1 the inner all is located the first locating hole that corresponds of every bolt, and first bolt 1 locks pivot 2 and clamping disk 8 through first silk hole, can effectively avoid pivot 2 to drop when high-speed operation.

The utility model discloses in, the equal horizontal sunken second locating hole that has in 3 both sides of drill sleeve, sunken second silk hole 12 that has and correspond with the second locating hole on the main drill bit 6, equal screwed connection has second bolt 18 in every

second silk hole

12, and 18 outer ends of second bolt all are located the second locating hole that corresponds, and dustproof cap 19 is installed in the second locating hole outside, and dustproof cap 19 has avoided second bolt 18 to go up the ponding dust and is difficult to normally twist and move.

The utility model discloses in, be equipped with external screw thread 4 on the 3 inside walls of drill sleeve, be equipped with the internal thread 10 that corresponds with external screw thread 4 on the 6 upper portion lateral walls of main drill bit, external screw thread 4 is connected with the meshing of internal thread 10, has increased the fastening nature and the stability of main drill bit 6, can effectively avoid the condition that main drill bit 6 appears droing simultaneously.

In the utility model, the bottom end of the main drill bit 6 is provided with five main drill teeth 11, the bottom end of the auxiliary drill bit 16 is provided with three auxiliary drill teeth 17, and the outer wall of the main drill bit 6 is longitudinally recessed with a pair of heat dissipation holes 5; the bottom of the rotating shaft 2 is fixedly connected with the inner wall of the upper end of the coupler 9, and the top of the drill sleeve 3 is fixedly connected with the inner wall of the lower end of the coupler 9.

When the utility model is used, in the first step, whether the main drill bit 6 and the auxiliary drill bit 16 are in a wear state or not is checked, and if so, the main drill bit and the auxiliary drill bit are timely replaced; secondly, the top end of the rotating shaft 2 is placed into a rotating shaft hole of the clamping disc 8, the rotating shaft 2 and the clamping disc 8 are locked through the first bolt 1, the rotating shaft 2 can be effectively prevented from falling off during high-speed operation, a coupler 9 is sleeved outside the bottom end of the rotating shaft 2, and a drill sleeve 3 is sleeved inside the bottom end of the coupler 9; thirdly, the external thread 4 on the drill sleeve 3 is meshed with the internal thread 10 on the main drill bit 6, and the drill sleeve 3 and the main drill bit 6 are locked by the second bolt 18, so that the tightness and stability of the drill sleeve 3 and the main drill bit 6 are improved, and the main drill bit 6 can be effectively prevented from falling off; fourthly, the outer gear ring 13 and the inner gear ring 14 rotate in a meshed mode, the auxiliary drill bit 16 is arranged in the bearing 15 to increase stability during high-speed rotation, and the shock pad at the top end of the auxiliary drill bit 16 increases stability and firmness of the auxiliary drill bit 16; the fifth step, 7 circular telegrams of rig carry out work, the utility model discloses simple structure is quick detachable, under the prerequisite of guaranteeing the security, has increased the fastening nature and the stability of drill bit, has alleviateed the degree of difficulty of user's operation simultaneously, has increased work efficiency.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a mineral exploration is with anti-drop drill bit, includes main drill bit (6), rig (7), its characterized in that: the output end of the bottom of the drilling machine (7) is provided with a clamping disc (8), the clamping disc (8) is in a circular plate shape, the middle of the clamping disc is sunken with a rotating shaft hole, a rotating shaft (2) is sleeved in the rotating shaft hole, a coupler (9) is sleeved outside the bottom end of the rotating shaft (2), a drill rod sleeve (3) is sleeved in the bottom end of the coupler (9), the drill rod sleeve (3) is cylindrical, an open slot is formed in the bottom end of the drill rod sleeve in a concave mode, a main drill bit (6) is arranged in the drill sleeve (3), the main drill bit (6) is a cylindrical drill bit with the upper end and the funnel-shaped bottom end, an outer gear ring (13) is arranged on the inner wall of the main drill bit (6), an inner gear ring (14) is arranged in the outer gear ring (13) in an engaged manner, a bearing hole is vertically sunken on the inner gear ring (14), a bearing (15) is arranged in the bearing hole, an auxiliary drill bit (16) is arranged in the bearing (15), and a shock pad is arranged at the top end of the auxiliary drill bit (16).

2. The anti-drop drill bit for mineral exploration according to claim 1, wherein: press from both sides tight dish (8) side equipartition and cave in and have first silk hole, every first silk downthehole equal screwed connection has first bolt (1), pivot (2) go up to cave in and have the first locating hole that corresponds with first silk hole, every first bolt (1) inner all is located corresponding first locating hole.

3. The anti-drop drill bit for mineral exploration according to claim 1, wherein: the drill sleeve is characterized in that second positioning holes are transversely formed in two sides of the drill sleeve (3), second screw holes (12) corresponding to the second positioning holes are formed in the main drill bit (6) in a sunken mode, each second screw hole (12) is internally provided with a second bolt (18) in a spiral connection mode, the outer end of each second bolt (18) is located in the corresponding second positioning hole, and a dust cap (19) is installed on the outer side of each second positioning hole.

4. The anti-drop drill bit for mineral exploration according to claim 1, wherein: the drill rod is characterized in that an external thread (4) is arranged on the inner side wall of the drill rod sleeve (3), an internal thread (10) corresponding to the external thread (4) is arranged on the outer side wall of the upper portion of the main drill bit (6), and the external thread (4) is meshed with the internal thread (10).

5. The anti-drop drill bit for mineral exploration according to claim 1, wherein: the drill bit is characterized in that a main drill tooth (11) is arranged at the bottom end of the main drill bit (6), an auxiliary drill tooth (17) is arranged at the bottom end of the auxiliary drill bit (16), and a pair of heat dissipation holes (5) are longitudinally formed in the outer wall of the main drill bit (6).

6. The anti-drop drill bit for mineral exploration according to claim 1, wherein: the bottom of the rotating shaft (2) is fixedly connected with the inner wall of the upper end of the coupler (9), and the top of the drill sleeve (3) is fixedly connected with the inner wall of the lower end of the coupler (9).