CN213016211U

CN213016211U - Locking device is prevented to water rig

Info

Publication number: CN213016211U
Application number: CN202022043719.7U
Authority: CN
Inventors: 华永明
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-04-20
Anticipated expiration: 2030-09-17

Abstract

The utility model discloses a locking device is prevented to water drilling machine, including a changeover part with the butt joint of water drilling machine output shaft, changeover part one end with the output shaft spiro union, the other end are provided with the assembly section with the butt joint of water drilling machine drill bit, be provided with the external screw thread on the assembly section, be provided with the water drainage way in the changeover part, the outside of changeover part is regular polygon, the cover that slides on the changeover part and do not deviate from is equipped with synchronous sleeve, be provided with in the synchronous sleeve with changeover part sliding fit's slip section and with the fixed synchronizing section of drill bit circumference. The beneficial effects of the above technical scheme are: after drill bit and the spiro union fastening of converting part, the synchronous sleeve that will set up slides to the drill bit direction for synchronous sleeve is fixed output shaft and drill bit circumference, avoids drill bit and output shaft to take place the relative motion of circumference when punching, and then can avoid drill bit and output shaft to become tighter because the rotation of punching.

Description

Locking device is prevented to water rig

Technical Field

The utility model relates to a drilling equipment technical field, concretely relates to locking device is prevented to water rig.

Background

The existing water drilling machine or engineering drilling machine is connected with a drill bit, and simple thread rotary butt joint is adopted. This connection can make the drill bit harder to drill, making disassembly difficult. In severe cases, the disassembly can not be carried out without professional tools and professionals.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a locking device is prevented to water rig can avoid the drill bit to bore more tight, convenient dismantlement.

The utility model provides a technical scheme be: the utility model provides a locking device is prevented to water drilling machine, includes a converting part with the butt joint of water drilling machine output shaft, converting part one end be provided with the linkage segment of output shaft spiro union, the other end is provided with the assembly segment with water drilling machine drill bit butt joint, be provided with the external screw thread on the assembly segment, be provided with the drain in the converting part, the outside of converting part is regular polygon, the cover that slides on the converting part and do not deviate from is equipped with synchronous sleeve, be provided with in the synchronous sleeve with converting part sliding fit's slip segment and with the fixed synchronization segment of drill bit circumference, the synchronization segment be with the outside assorted regular polygon of drill bit, the size of synchronization segment is greater than the slip segment, still be provided with the locating part between synchronous sleeve and the converting part.

The beneficial effects of the above technical scheme are: at first screw up the output shaft with the converting part on, then fixed with the external screw thread of drill bit and converting part, after drill bit and converting part spiro union fastening, the synchronizing sleeve that will set up slides to the drill bit direction, make synchronizing sleeve fixed with output shaft and drill bit circumference, specifically synchronizing sleeve's synchronizing segment cover is established in the connecting portion outside of drill bit, the outside of the connecting portion of drill bit is regular hexagon, drill bit and output shaft take place circumferential relative motion when avoiding punching, and then can avoid drill bit and output shaft to become tighter because the rotation of punching.

Furthermore, the outside of the conversion piece is a regular hexagon, and the synchronization section and the sliding section in the synchronization sleeve are both regular hexagons. The mutual cooperation of regular hexagon can restrict the circumferential direction between synchronous sleeve and output shaft and the drill bit, and then makes drill bit and converting element rotate in step.

Furthermore, the locating part includes two sets of spring card pearls that the inboard symmetry of synchronous sleeve set up, it is provided with the fixed orifices to correspond on the converting element spring card pearl, the fixed orifices is including being located the converting element and keeping away from the unlocking hole of drill bit one end and being located the converting element and being close to the locking hole of drill bit one end. The synchronous sleeve and the conversion piece can be axially fixed by the cooperation of the spring clamping beads and the fixing holes, and the axial movement of the synchronous sleeve can be completed by manually applying force when the adjustment is needed.

Furthermore, each group of spring clamping beads comprises clamping beads which are movably arranged on the inner wall of the synchronous sleeve and cannot be separated from each other, a concave cavity matched with the clamping beads is arranged on the inner wall of the synchronous sleeve, a spring tightly abutting against the clamping beads is arranged in the concave cavity, and the diameter of an opening of the concave cavity is slightly smaller than that of the clamping beads.

Further, the diameter of the external thread of the conversion piece is consistent with that of the external thread of the output shaft. So that the drill bit and the conversion piece can be perfectly adapted.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is an installation diagram of an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a transition piece in an embodiment of the invention;

FIG. 3 is a cross-sectional view of a synchronizing sleeve in an embodiment of the present invention;

FIG. 4 is a side view of a synchronizing sleeve in an embodiment of the present invention;

fig. 5 is a schematic structural view of the embodiment of the present invention in which the synchronizing sleeve is in a locked state.

Reference numerals: the water drilling machine 100, the output shaft 110, the conversion piece 200, the assembling section 220, the connecting section 210, the water discharge passage 230, the synchronizing sleeve 300, the sliding section 310, the synchronizing section 320, the spring clamping bead 330, the drill bit 400 and the connecting part 410.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.

As shown in fig. 1 to 5, the present embodiment provides an anti-locking device for a water drilling machine, including a converter 200 abutting against an output shaft 110 of the water drilling machine 100, one end of the conversion member 200 is provided with a connection section 210 screwed with the output shaft 110, the other end is provided with an assembly section 220 butted with the drill bit 400 of the water drilling machine 100, the fitting section 220 is provided with external threads, the conversion member 200 is provided with a drain passage 230 therein, the outer part of the conversion element 200 is a regular polygon, a synchronous sleeve 300 is sleeved on the conversion element 200 in a sliding and non-separating manner, a sliding section 310 which is in sliding fit with the conversion piece 200 and a synchronous section 320 which is fixed with the drill bit 400 in the circumferential direction are arranged in the synchronous sleeve 300, the synchronizing segment 320 is a regular polygon matched with the outside of the drill bit 400, the size of the synchronizing segment 320 is larger than that of the sliding segment 310, and a limiting member is further disposed between the synchronizing sleeve 300 and the converting member 200.

Firstly, the conversion part 200 is screwed on the output shaft 110, then the drill bit 400 is fixed with the external thread of the conversion part 200, after the drill bit 400 and the conversion part 200 are screwed and fastened, the arranged synchronous sleeve 300 slides towards the drill bit 400, so that the synchronous sleeve 300 circumferentially fixes the output shaft 110 and the drill bit 400, specifically, the synchronous section 320 of the synchronous sleeve 300 is sleeved outside the connecting part 410 of the drill bit 400, the outer side of the connecting part 410 of the drill bit 400 is in a regular hexagon shape, the circumferential relative movement between the drill bit 400 and the output shaft 110 during punching is avoided, and the drill bit 400 and the output shaft 110 can be prevented from becoming tighter due to the rotation of punching.

In another preferred embodiment, the exterior of the transition piece 200 is a regular hexagon, and the synchronization segment 320 and the sliding segment 310 in the synchronization sleeve 300 are regular hexagons. The hexagonal interfitting limits circumferential rotation between the synchronization sleeve 300 and the output shaft 110 and bit 400, thereby allowing the bit 400 and transition piece 200 to rotate in synchronization.

As another preferred embodiment, the limiting member includes two sets of spring locking balls 330 symmetrically disposed inside the synchronizing sleeve 300, and the converting member 200 is provided with fixing holes corresponding to the spring locking balls 330, and the fixing holes include an unlocking hole located at an end of the converting member 200 far from the drill 400 and a locking hole located at an end of the converting member 200 close to the drill 400. The cooperation of the spring clip 330 and the fixing hole can axially fix the synchronization sleeve 300 and the converter 200, and the synchronization sleeve 300 can axially move by manually applying force when adjustment is needed.

As another preferred embodiment, each set of spring clamping beads 330 includes a movable and non-detachable clamping bead disposed on the inner wall of the synchronization sleeve 300, a concave cavity matched with the clamping bead is disposed on the inner wall of the synchronization sleeve 300, a spring abutting against the clamping bead is disposed in the concave cavity, and the opening diameter of the concave cavity is slightly smaller than the diameter of the clamping bead.

As another preferred embodiment, the diameter of the external thread of the conversion member 200 is identical to the diameter of the external thread of the output shaft 110. Enabling a perfect fit of the drill bit 400 and the transition piece 200.

In the description of the present application, it is to be understood that the terminology used herein is for the purpose of description only and is not intended to be interpreted as indicating or implying any relative importance or implicit indication of the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral combinations thereof; may be an electrical connection; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, systems, and techniques have not been shown in detail in order not to obscure an understanding of this description.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The anti-locking device of the water drilling machine is characterized by comprising a conversion piece (200) butted with an output shaft (110) of the water drilling machine (100), wherein one end of the conversion piece (200) is provided with a connecting section (210) in threaded connection with the output shaft (110), the other end of the conversion piece is provided with an assembling section (220) butted with a drill bit (400) of the water drilling machine (100), an external thread is arranged on the assembling section (220), a drainage channel (230) is arranged in the conversion piece (200), the outside of the conversion piece (200) is a regular polygon, a synchronous sleeve (300) is sleeved on the conversion piece (200) in a sliding and non-separating mode, a sliding section (310) in sliding fit with the conversion piece (200) and a synchronous section (320) circumferentially fixed with the drill bit (400) are arranged in the synchronous sleeve (300), and the synchronous section (320) is a regular polygon matched with the outside of the drill bit (400), the size of the synchronous section (320) is larger than that of the sliding section (310), and a limiting piece is further arranged between the synchronous sleeve (300) and the conversion piece (200).

2. The locking prevention device of a water drilling machine according to claim 1, wherein the outer portion of the transition piece (200) is a regular hexagon, and the synchronizing section (320) and the sliding section (310) in the synchronizing sleeve (300) are regular hexagons.

3. The locking prevention device of the water drilling machine according to claim 1, wherein the limiting member comprises two sets of spring clamping beads (330) symmetrically arranged on the inner side of the synchronizing sleeve (300), the converting member (200) is provided with a fixing hole corresponding to the spring clamping beads (330), and the fixing hole comprises an unlocking hole at one end of the converting member (200) far away from the drill bit (400) and a locking hole at one end of the converting member (200) close to the drill bit (400).

4. The anti-locking device of the water drilling machine as claimed in claim 3, wherein each group of spring clamping beads (330) comprises movable and non-detachable clamping beads arranged on the inner wall of the synchronizing sleeve (300), a concave cavity matched with the clamping beads is arranged on the inner wall of the synchronizing sleeve (300), a spring abutting against the clamping beads is arranged in the concave cavity, and the diameter of an opening of the concave cavity is slightly smaller than that of the clamping beads.

5. The locking prevention device of a water drilling machine as claimed in claim 1, wherein the diameter of the external thread of the fitting section (220) of the conversion member (200) is identical to the diameter of the external thread of the output shaft (110).