CN212130400U

CN212130400U - Drill bit with supporting structure for stratum exploitation

Info

Publication number: CN212130400U
Application number: CN202020826630.5U
Authority: CN
Inventors: 郑芳芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2020-12-11
Anticipated expiration: 2030-05-18

Abstract

The utility model discloses a drill bit with a supporting structure for stratum exploitation in the technical field of drill bits, which comprises a drill bit body, wherein the right end of the drill bit body is fixedly connected with a driving rod, the joint of the driving rod and the drill bit body is provided with a limiting ring, the outer wall of the driving rod is provided with a limiting cylinder, the right end of the limiting cylinder is connected with a supporting disk through a connecting rod, the inner cavity of the supporting disk is provided with a fixed disk, a movable block is arranged in the inner cavity of a recess, the side walls of the two ends of the movable block are provided with buffer springs, the inner cavity of the movable block is penetrated with a limiting rod, the two ends of the limiting rod are fixedly connected with the inner wall of the recess, the middle part of the supporting seat is provided with two groups of parallel chutes, the utility model provides a certain supporting function for the driving, long service life and high working efficiency.

Description

Drill bit with supporting structure for stratum exploitation

Technical Field

The utility model discloses a drill bit is adopted in stratum exploitation with bearing structure specifically is drill bit technical field.

Background

The drill is a tool for drilling through holes or blind holes in solid materials and reaming existing holes. Commonly used drill bits mainly include twist drills, flat drills, center drills, deep hole drills, and trepanning drills. Reamers and reamers are not capable of drilling solid materials, but they are also traditionally classified as drills.

The existing drill bit works, the produced violent vibration can cause deviation of drilling and damage of a drill rod, the force application direction is unstable, the progress of drilling can be influenced, the working efficiency is reduced, the damage degree of the drill bit is high, the using effect is not good, and therefore the stratum development drill bit with the supporting structure is put into use, and the problems are solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drill bit is adopted in stratigraphic development with bearing structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a drill bit with a supporting structure for stratum excavation comprises a drill bit body, wherein a driving rod is fixedly connected to the right end of the drill bit body, a limiting ring is arranged at the joint of the driving rod and the drill bit body, a limiting cylinder is arranged on the outer wall of the driving rod, the right end of the limiting cylinder is connected with a supporting disk through a connecting rod, the inner cavity of the supporting disk is provided with a fixed disk, the right side wall of the fixed disk is fixedly connected with two groups of fixed rods, the right ends of the fixed rods are fixedly connected with movable blocks, the movable blocks are arranged in the inner cavity of a recess, buffer springs are arranged on the side walls at two ends of the movable blocks, limiting rods penetrate through the inner cavity of the movable blocks, two ends of each limiting rod are fixedly connected with the inner wall of the recess, a supporting seat is arranged, the folding support rod is characterized in that the tail end of the folding support rod is fixedly connected with a fixing foot, and a limiting hole is formed in the sliding groove.

Preferably, the recess is provided with a groove matched with the movable block, the movable block is slidably connected with the groove on the side wall of the recess, a spring gasket is arranged at the connecting end of the buffer spring and the movable block, and the fixed rod is arranged on two sides of the supporting seat.

Preferably, the fixed disk is embedded in the right side wall of the supporting disk, the fixing rod is obliquely arranged, the diameter of the supporting disk is larger than that of the concave seat, and the supporting disk and the limiting cylinder are both in sliding connection with the outer wall of the driving rod.

Preferably, sliding block one end is equipped with the elastic component, the supporting seat lateral wall is seted up with the breach of folding bracing piece looks adaptation, folding bracing piece rotates through the pivot with the sliding block to be connected.

Preferably, the surface of the drill bit body is provided with a chip removal groove, and the front end of the drill bit body is provided with a cooling hole.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses simple structure, reasonable in design through the setting of a spacing section of thick bamboo, supporting disk and concave seat, can make the drill bit keep the stability of drilling angle in drilling process, can have certain supporting role to the drilling rod simultaneously, can not make the drilling rod take place to break away from or fragile problem because violent vibrations, utilize bracing piece and fixed foot on the supporting seat, can improve the support stability of drill bit, be convenient for improve drilling accuracy, improve work efficiency, long service life, the practicality is strong.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 2 according to the present invention;

fig. 3 is a schematic view of the recess structure of the present invention.

In the figure: the drill bit comprises a drill bit body 1, a driving rod 2, a limiting ring 3, a limiting cylinder 4, a connecting rod 5, a supporting disk 6, a fixed disk 7, a fixed rod 8, a movable block 9, a concave seat 10, a buffer spring 11, a limiting rod 12, a supporting seat 13, a sliding groove 14, a sliding block 15, a folding supporting rod 16, a fixing pin 17 and a limiting hole 18.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a drill bit with a supporting structure for stratum excavation comprises a drill bit body 1, wherein a driving rod 2 is fixedly connected to the right end of the drill bit body 1, a limiting ring 3 is arranged at the joint of the driving rod 2 and the drill bit body 1, a limiting cylinder 4 is arranged on the outer wall of the driving rod 2, the right end of the limiting cylinder 4 is connected with a supporting disc 6 through a connecting rod 5, a fixed disc 7 is arranged in an inner cavity of the supporting disc 6, two groups of fixing rods 8 are fixedly connected to the right side wall of the fixed disc 7, two groups of movable blocks 9 are fixedly connected to the right end of the fixing rods 8, the movable blocks 9 are arranged in an inner cavity of a recess 10, buffer springs 11 are arranged on the side walls of two ends of each movable block 9, a limiting rod 12 penetrates through the inner cavity of each movable block 9, two ends of each limiting rod 12 are fixedly connected with, be provided with sliding block 15 in the spout 14, sliding block 15 one end is connected with folding bracing piece 16, folding bracing piece 16 end fixedly connected with fixed foot 17, be equipped with spacing hole 18 in the spout 14.

Wherein, set up the recess with the adaptation of movable block 9 on the concave seat 10, the recess sliding connection of movable block 9 and concave seat 10 lateral wall, buffer spring 11 is equipped with the spring shim with the 9 link of movable block, the both sides of supporting seat 13 are located to dead lever 8, fixed disk 7 inlays and locates the 6 right side walls of supporting disk, the slope of dead lever 8 sets up, the diameter of supporting disk 6 is greater than the diameter of concave seat 10, supporting disk 6 and spacing section of thick bamboo 4 all with 2 outer wall sliding connection of actuating lever, 15 one end of sliding block is equipped with the elastic component, the breach with 16 looks adaptations of folding bracing piece is seted up to the supporting seat 13 lateral wall, folding bracing piece 16 rotates through the pivot with sliding block 15 and is connected, chip groove has been seted up on 1 surface of drill bit body, and the cooling hole has been seted.

The working principle is as follows: when the utility model is used, the drill bit body 1 contacts the rock surface to start the drilling work, along with the penetration of the drill bit, until the limiting cylinder 4 contacts the rock surface, the limiting cylinder 4 moves backwards along the surface of the driving rod 2, the connecting rod 5 drives the supporting disk 6 to synchronously move backwards, the fixed disk 7 pushes the sliding block 15 to move in the groove on the concave seat 10, the buffer spring 11 can slow down the movement of the sliding block 15, the driving rod 2 is supported and simultaneously has the damping function, before the drill bit works, the two groups of folding supporting rods 16 are taken out from the inner cavity of the supporting seat 13, the fixing feet 17 at the tail ends of the folding supporting rods 16 are fixed with the surface of the rock stratum, the drill bit has the advantages that the whole drill bit can be supported, force can be applied more easily, the drill bit can work more stably, drilling accuracy is improved, the use is convenient and fast, the service life is long, and the practicability is high.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An earth boring drill bit with a support structure, comprising a bit body (1), characterized in that: the drill bit comprises a drill bit body (1), wherein a driving rod (2) is fixedly connected to the right end of the drill bit body (1), a limiting ring (3) is arranged at the joint of the driving rod (2) and the drill bit body (1), a limiting cylinder (4) is arranged on the outer wall of the driving rod (2), the right end of the limiting cylinder (4) is connected with a supporting disk (6) through a connecting rod (5), a fixed disk (7) is arranged in the inner cavity of the supporting disk (6), two groups of fixed rods (8) are fixedly connected to the right side wall of the fixed disk (7), two groups of fixed rods (8) are fixedly connected with a movable block (9), the movable block (9) is arranged in the inner cavity of a recess (10), buffer springs (11) are arranged on the side walls of the two ends of the movable block (9), a limiting rod (12) penetrates through the inner cavity of the movable block (9), the two, two sets of parallel chutes (14) are formed in the middle of the supporting seat (13), sliding blocks (15) are arranged in the chutes (14), one ends of the sliding blocks (15) are connected with folding supporting rods (16), fixing feet (17) are fixedly connected to the tail ends of the folding supporting rods (16), and limiting holes (18) are formed in the chutes (14).

2. A subterranean formation mining drill bit with a support structure according to claim 1, wherein: the movable support is characterized in that a groove matched with the movable block (9) is formed in the concave seat (10), the movable block (9) is connected with the groove in the side wall of the concave seat (10) in a sliding mode, a spring gasket is arranged at the connecting end of the buffer spring (11) and the movable block (9), and the fixed rods (8) are arranged on two sides of the supporting seat (13).

3. A subterranean formation mining drill bit with a support structure according to claim 1, wherein: fixed disk (7) inlay and locate supporting disk (6) right side wall, dead lever (8) slope sets up, the diameter of supporting disk (6) is greater than the diameter of dimple (10), supporting disk (6) and spacing section of thick bamboo (4) all with actuating lever (2) outer wall sliding connection.

4. A subterranean formation mining drill bit with a support structure according to claim 1, wherein: sliding block (15) one end is equipped with the elastic component, supporting seat (13) lateral wall offer with the breach of folding bracing piece (16) looks adaptation, folding bracing piece (16) are connected through the pivot rotation with sliding block (15).

5. A subterranean formation mining drill bit with a support structure according to claim 1, wherein: the drill bit body (1) is provided with a chip removal groove on the surface, and the front end of the drill bit body (1) is provided with a cooling hole.