Stable locking mechanism for radial drill bit

By using a shaking sensor and a gear shaft tightening structure driven by a hydraulic cylinder, combined with a ring sleeve and protrusion design, the stability problem of the radial drill bit is solved, achieving drill bit stability and safety, and ensuring drilling quality.

CN223916733UActive Publication Date: 2026-02-17山东万运汽车配件有限公司
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Patent Information

Application Number
CN202520591972.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-01
Publication Date
2026-02-17
Estimated Expiration
2035-04-01

AI Technical Summary

Technical Problem

When the existing radial drill bit is in place, the bolts are prone to loosening, which may cause the drill bit to fall off and affect the drilling quality.

Method used

A sway sensor is used to capture the sway signal of the drill bit. The hydraulic cylinder drives the toothed plate to press down, the gear shaft tightens the drill bit, and the ring sleeve and protrusion structure prevent the drill bit from falling. Elastic metal and alloy materials are used to enhance stability.

Benefits of technology

It effectively prevents the drill bit from shaking and falling, ensuring that the drill bit remains firmly in place, thus improving drilling quality and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a radial drill bit stable locking mechanism which comprises a drilling mechanism and a pressing mechanism, the drilling mechanism comprises a main shaft box, a drill bit and a pressing mechanism, and the drill bit penetrates through the bottom end of the main shaft box in a sliding mode. The pressing mechanism comprises a gear shaft in threaded connection with the spindle box, a shaking sensor connected with the outer wall of the drill bit, a toothed plate meshed with one side of the gear shaft and a hydraulic cylinder connected between the spindle box and the toothed plate, the inner end of the gear shaft is in interference fit with the outer wall of the drill bit, and the shaking sensor is electrically connected with the hydraulic cylinder. In the utility model, once the drill bit shakes during operation, the shaking sensor captures shaking information and transmits a signal to the hydraulic cylinder, the movable end of the hydraulic cylinder downwards presses the toothed plate, the toothed plate descends, the gear shaft is screwed under mechanical transmission, and then the drill bit is firmly pressed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a drill steady locking mechanism technical field, specifically is a radial drilling machine drill steady locking mechanism. BACKGROUND

[0002] Radial drilling machine is a common metal processing drilling machine, and is mainly used for drilling operation on metal materials. In the radial drilling machine, the drill is a key component for performing drilling work. According to the size of drilling, different diameter drills need to be replaced.

[0003] Some radial drill bits seen at present adopt the traditional bolt abutting mode when being stabilized, and this structure is simple, and it is convenient to unscrew and replace the drill bit, but during abutting, the bolt is easily affected by the drill performing drilling, the bolt slowly loosens, and the drill has the risk of falling. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving one of the technical problems existing in the prior art or related art.

[0005] Therefore, the utility model adopts the technical scheme that:

[0006] A radial drilling machine drill steady locking mechanism, including drilling mechanism and pressure mechanism, the drilling mechanism includes the main shaft box, the drill that slides through the bottom end of the main shaft box, pressure mechanism, the pressure mechanism includes the gear shaft that is connected with the main shaft box screw, the wobble sensor that is connected with the drill outer wall, the toothed plate that is engaged in one side of the gear shaft, the hydraulic cylinder that is connected between the main shaft box and the toothed plate, the gear shaft inner end is combined with the drill outer wall, the wobble sensor is electrically connected with the hydraulic cylinder.

[0007] Through adopting the above technical scheme, once the drill operation appears the wobble condition, the wobble sensor will capture the wobble information, then signal transmission is given to the hydraulic cylinder, the movable end of the hydraulic cylinder presses down the toothed plate, the toothed plate drops down, then mechanical transmission is down, the gear shaft is screwed, then the drill is pressed tightly.

[0008] In a preferred example, the utility model can be further configured as: the main shaft box bottom is equipped with the anti-falling mechanism, the anti-falling mechanism includes the ring sleeve that is connected with the bottom end of the main shaft box, the sleeve that is connected with the ring sleeve screw, the two protrusions that are movably buckled with the sleeve inner wall, and the two protrusions are connected with the drill outer wall.

[0009] In a preferred example, the utility model can be further configured as: the ring sleeve is movably sleeved on the outer side of the drill, and the inner diameter of the ring sleeve is greater than the diameter of the drill.

[0010] In a preferred example, the utility model can be further configured as: the wobble sensor is located at the bottom of the sleeve, and the sleeve is made of elastic metal material.

[0011] The utility model discloses in a preferable example can be further configured as: two protrusions are about the vertical symmetry of drill bit, the protrusion is made of alloy material.

[0012] By adopting the above technical scheme, the utility model has the beneficial effects of:

[0013] 1. In the utility model, once the drill bit operation appears the shaking condition, the shaking sensor will catch the shaking information, then will signal transmission to the hydraulic cylinder, and the hydraulic cylinder movable end presses down the toothed plate, and the toothed plate drops, and then the mechanical transmission is down, and the gear shaft is screwed, and then the drill bit is pressed tightly.

[0014] 2. In the utility model, when the drill bit appears the shaking condition, because the protrusion of the both sides of drill bit is clamped by the sleeve, and then the sleeve is limited by the ring, so the drill bit cannot drop, when the gear shaft presses the drill bit, the drill bit is still in the original position, guaranteeing the follow-up drilling quality. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall structure perspective of the utility model;

[0016] Figure 2 It is the drilling mechanism schematic view of the utility model;

[0017] Figure 3 It is the locking mechanism schematic view of the utility model;

[0018] Figure 4 It is the anti-falling mechanism diagram of the utility model.

[0019] Reference signs:

[0020] 100, drilling mechanism; 110, main shaft box; 120, drill bit;

[0021] 200, pressing mechanism; 210, gear shaft; 220, shaking sensor; 230, toothed plate; 240, hydraulic cylinder;

[0022] 300, anti-falling mechanism; 310, ring; 320, sleeve; 330, protrusion. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantage of the utility model more clear and obvious, the utility model is further explained in detail below in combination with specific implementation manners and with reference to the drawings. It should be explained that the embodiment of the utility model and the features in the embodiment can be combined mutually without conflict.

[0024] It is understood that these descriptions are only exemplary, and not to limit the scope of the utility model.

[0025] Some embodiments of the utility model provide a kind of rock drill bit stable locking mechanism described below in conjunction with the drawings.

[0026] Embodiment one:

[0027] In conjunction with Figures 1-4 The utility model provides a kind of rock drill bit stable locking mechanism, including drilling mechanism 100 and pressure mechanism 200, the drilling mechanism 100 includes main shaft box 110, the drill bit 120 of slidingly penetrating the bottom end of main shaft box 110;

[0028] Pressure mechanism 200, the pressure mechanism 200 includes the gear shaft 210 of being connected with the main shaft box 110 screw thread, the wobble sensor 220 of being connected with the drill bit 120 outer wall, the toothed plate 230 engaged in one side of gear shaft 210, the hydraulic cylinder 240 connected between main shaft box 110 and toothed plate 230, the inner end of gear shaft 210 and drill bit 120 outer wall interference fit, the wobble sensor 220 and hydraulic cylinder 240 electrically connected.

[0029] Embodiment two:

[0030] In conjunction with Figure 1 And Figure 4 On the basis of embodiment one, the main shaft box 110 bottom is equipped with anti-falling mechanism 300, the anti-falling mechanism 300 includes the ring sleeve 310 of being connected with the bottom end of main shaft box 110, the set 320 of being connected with the ring sleeve 310 screw thread, two protrusions 330 of being movably buckled with the inner wall of set 320, two protrusions 330 are all connected with the outer wall of drill bit 120, when drill bit 120 appears wobble condition, since the protrusion 330 of both sides of drill bit 120 is clamped by set 320, then set 320 is again limited by ring sleeve 310, so drill bit 120 cannot fall, when gear shaft 210 is pressed tightly drill bit 120, drill bit 120 still is in situ.

[0031] Further, the ring sleeve 310 movably sleeve joint in the outside of drill bit 120, the inner diameter of ring sleeve 310 is greater than the diameter of drill bit 120, the diameter of ring sleeve 310 is designed, so that it will not be affected by drill bit 120, improve its connection firmness with main shaft box 110.

[0032] Further, the wobble sensor 220 is located at the bottom of set 320, the set 320 is made of elastic metal material, and the set 320 is clamped with the two protrusions 330 on the drill bit 120 by using elastic metal to manufacture the set 320.

[0033] Embodiment three:

[0034] In conjunction with Figure 4As shown in the above embodiment, two protrusions 330 are vertically symmetrical about the drill bit 120, the protrusions 330 are made of alloy material, and the layout of the protrusions 330 is designed so that the sleeve 320 can stably lock the drill bit 120.

[0035] The working principle and use process of the utility model: when the device is put into practical use, if the drill bit 120 shakes, the shaking sensor 220 will capture the shaking information, then transmit the signal to the hydraulic cylinder 240, the movable end of the hydraulic cylinder 240 presses down the toothed plate 230, the toothed plate 230 descends, then the gear shaft 210 is screwed down through mechanical transmission, then the drill bit 120 is pressed tightly.

[0036] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A robust locking mechanism for a radial drill bit, characterized by, The application relates to a drilling mechanism (100) comprising a main shaft box (110), a drill bit (120) sliding through the bottom end of the main shaft box (110), a pressing machine (200) comprising a gear shaft (210) screw-connected with the main shaft box (110), a shaking sensor (220) connected with the outer wall of the drill bit (120), a toothed plate (230) engaged with one side of the gear shaft (210), a hydraulic cylinder (240) connected between the main shaft box (110) and the toothed plate (230), the inner end of the gear shaft (210) being in interference fit with the outer wall of the drill bit (120), and the shaking sensor (220) being electrically connected with the hydraulic cylinder (240). The bottom of the main shaft box (110) is provided with a falling prevention mechanism (300) comprising a ring sleeve (310) connected with the bottom end of the main shaft box (110), a sleeve set (320) screw-connected with the ring sleeve (310), and two protrusions (330) movably buckled with the inner wall of the sleeve set (320), the two protrusions (330) being connected with the outer wall of the drill bit (120). The ring sleeve (310) is movably sleeved on the outer side of the drill bit (120), and the inner diameter of the ring sleeve (310) is larger than the diameter of the drill bit (120).

2. A stable locking mechanism for a radial drill bit according to claim 1, wherein, The shaking sensor (220) is located at the bottom of the sleeve set (320), and the sleeve set (320) is made of elastic metal material.

3. A stable locking mechanism for a radial drill bit according to claim 2, wherein, The two protrusions (330) are vertically symmetrical about the drill bit (120), and the protrusions (330) are made of alloy material.

4. A stable locking mechanism for a radial drill bit according to claim 2, wherein, ​ 5. A stable locking mechanism for a radial drill bit according to claim 2, wherein, ​