CN211230217U

CN211230217U - Single-drill-bit type pneumatic down-the-hole hammer rotary digging device of positive circulation system

Info

Publication number: CN211230217U
Application number: CN201921654484.6U
Authority: CN
Inventors: 汪黎花
Original assignee: Habahe Huatai Gold Co ltd
Current assignee: Habahe Huatai Gold Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-08-11
Anticipated expiration: 2029-09-30

Abstract

The utility model discloses a device is dug soon to single drill bit formula pneumatic down-the-hole hammer of positive circulation system relates to the rig field in the building engineering trade, and this device is dug soon to single drill bit formula pneumatic down-the-hole hammer of positive circulation system, accept the board including the drill bit, the top fixedly connected with mounting panel of board is accepted to the drill bit, the equal swing joint in top both ends of mounting panel has the limiting plate, the bottom fixedly connected with inserted bar of limiting plate, the slot has been seted up at the top that the board was accepted to the drill bit, the spacing protruding pole of both sides lower part fixed connection of inserted bar, the interior surface fixed connection of slot has the baffle. The utility model discloses a mounting panel has made things convenient for the change that the board and drill bit were accepted to the drill bit, prevents that drill bit live time overlength from causing wearing and tearing to influence the pneumatic down-the-hole hammer and dig the result of use of device soon, can guarantee mounting panel and limiting plate connection's stability through the connection of inserted bar and slot, prevents that mounting panel and limiting plate from separating when using.

Description

Single-drill-bit type pneumatic down-the-hole hammer rotary digging device of positive circulation system

Technical Field

The utility model relates to a rig field in the building engineering trade, in particular to positive circulation system's pneumatic down-the-hole hammer of single drill head formula digs device soon.

Background

The pneumatic down-the-hole hammer is formed by combining and matching a pneumatic impactor and a drill bit, is a construction tool for building foundation engineering and is mainly configured on a common drilling machine. The device utilizes compressed air as power to push the down-the-hole hammer to work, utilizes the reciprocating impact effect of the down-the-hole hammer on the drill bit to break rock, and broken rock debris is carried to the ground along with waste gas discharged after the down-the-hole hammer works. However, the drill bit of the conventional rotary drilling device of the pneumatic down-the-hole hammer is easy to wear after being used for too long time, and is inconvenient to replace after being worn.

Therefore, it is necessary to provide a rotary excavating device of a single-drill-bit pneumatic down-the-hole hammer of a positive circulation system to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a device is dug soon to pneumatic down-the-hole hammer of single drill formula of positive circulation system to solve the pneumatic down-the-hole hammer that provides among the above-mentioned background art and dig the device drill bit live time overlength easy wearing and tearing soon, change not too convenient problem after the wearing and tearing.

In order to achieve the above object, the utility model provides a following technical scheme: a single-drill-bit pneumatic down-the-hole hammer rotary excavating device of a positive circulation system comprises a drill bit bearing plate, wherein the top of the drill bit bearing plate is fixedly connected with a mounting plate, two ends of the top of the mounting plate are movably connected with limiting plates, the bottom of each limiting plate is fixedly connected with an insertion rod, the top of the drill bit bearing plate is provided with an insertion slot, and the lower parts of two sides of the insertion rod are fixedly connected with limiting convex rods;

the internal surface fixed connection of slot has the baffle, the through-hole has been seted up to the inside of baffle, the top fixedly connected with front joint of mounting panel, the surface swing joint of front joint has the shock attenuation cushion, the pneumatic down-the-hole hammer of top fixedly connected with of shock attenuation cushion, the outside swing joint of pneumatic down-the-hole hammer has the sediment bucket that connects.

Optionally, the upper part of the outer surface of the inserted bar is movably connected with the mounting plate;

the bottom of the inserted bar is positioned inside the slot.

Optionally, a plurality of the limiting convex rods are arranged at equal intervals from top to bottom;

the top of the limiting convex rod is attached to the bottom of the baffle.

Optionally, the lower part of the outer surface of the inserted rod is movably connected with the through hole;

the limiting convex rods are all located inside the slots.

Optionally, the outer surface of the shock-absorbing rubber pad is fixedly connected with a lower flange;

the top of the lower flange is fixedly connected with the bottom of the slag receiving barrel.

Optionally, the top of the pneumatic down-the-hole hammer is fixedly connected with a damping type air inlet rotary device;

and the outer surface of the damping type air inlet rotary device is fixedly connected with a damping outer pipe.

Optionally, the outer surface of the shock absorption outer pipe is fixedly connected with an upper flange;

the bottom of the upper flange is fixedly connected with the top of the slag receiving barrel.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a mounting panel has made things convenient for the change that the board and drill bit were accepted to the drill bit, prevents that drill bit live time overlength from causing wearing and tearing to influence the pneumatic down-the-hole hammer and dig the result of use of device soon, can guarantee mounting panel and limiting plate connection's stability through the connection of inserted bar and slot, prevents that mounting panel and limiting plate from separating when using, has guaranteed that it is fixed.

2. The utility model discloses a spacing nose bar and baffle can carry on spacingly to the inserted bar, prevent that the inserted bar from breaking away from the slot when using, have made things convenient for inserting of inserted bar and spacing nose bar through the through-hole, conveniently fix the drill bit on pneumatic down-the-hole hammer through the front connector, can reduce the vibration through the shock attenuation cushion and dig the influence of device soon to pneumatic down-the-hole hammer.

Drawings

FIG. 1 is a schematic view of the inside of the slag receiving barrel structure of the present invention.

Fig. 2 is a schematic view of the structure of the present invention.

Fig. 3 is the internal schematic view of the drill bit receiving plate structure of the present invention.

Fig. 4 is a schematic view of the baffle structure of the present invention.

In the figure: 1. a drill bit receiving plate; 2. mounting a plate; 3. a limiting plate; 4. inserting a rod; 5. a slot; 6. a limit convex rod; 7. a baffle plate; 8. a through hole; 9. a front joint; 10. a shock-absorbing rubber pad; 11. a pneumatic down-the-hole hammer; 12. a slag receiving barrel; 13. a lower flange; 14. an upper flange; 15. a shock absorbing outer tube; 16. shock attenuation formula air inlet rotary device.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The utility model provides a single-drill pneumatic down-the-hole hammer rotary digging device of a positive circulation system as shown in figures 1-4, which comprises a drill bit bearing plate 1, as shown in figures 1 and 2, a mounting plate 2 is fixedly connected with the top of the drill bit bearing plate 1, the replacement of the drill bit bearing plate 1 and a drill bit is facilitated through the mounting plate 2, the use effect of the pneumatic down-the-hole hammer rotary digging device is prevented from being influenced by abrasion caused by overlong use time of the drill bit, both ends of the top of the mounting plate 2 are movably connected with a limiting plate 3, an inserted link 4 is fixedly connected with the bottom of the limiting plate 3, a slot 5 is arranged at the top of the drill bit bearing plate 1, the stability of the connection of the mounting plate 2 and the limiting plate 3 can be ensured through the connection of the inserted link 4 and the slot 5, the mounting plate 2 and the limiting plate 3 are prevented from being separated, the internal surface fixedly connected with baffle 7 of slot 5 can be spacing to inserted bar 4 through spacing nose bar 6 and baffle 7, prevents that inserted bar 4 from breaking away from slot 5 when using, and through-hole 8 has been seted up to the inside of baffle 7, has made things convenient for inserting of inserted bar 4 and spacing nose bar 6 through-hole 8.

As shown in fig. 4 and 3, a front joint 9 is fixedly connected to the top of the mounting plate 2, a shock-absorbing rubber mat 10 is movably connected to the outer surface of the front joint 9, the influence of vibration on the rotary drilling device of the pneumatic down-the-hole hammer can be reduced through the shock-absorbing rubber mat 10, a pneumatic down-the-hole hammer 11 is fixedly connected to the top of the shock-absorbing rubber mat 10, a drill bit is conveniently fixed on the pneumatic down-the-hole hammer 11 through the front joint 9, a slag receiving barrel 12 is movably connected to the outer side of the pneumatic down-the-hole hammer 11, the influence of external factors on the use of the pneumatic down-the-hole hammer 11 can be prevented through the slag receiving barrel 12, a lower flange 13 is fixedly connected to the outer surface of the shock-absorbing rubber mat 10, a shock-absorbing air intake rotary device 16 is fixedly connected to the top of the pneumatic down-the-, the outer surface of the damping outer pipe 15 is fixedly connected with an upper flange 14, and the slag receiving barrel 12 and the pneumatic down-the-hole hammer 11 are conveniently installed through a lower flange 13 and the upper flange 14.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

This practical theory of operation: when the drill bit bearing plate 1 and the drill bit need to be replaced due to overlong service time of the drill bit, the limiting plate 3 is rotated, the limiting plate 3 drives the inserted rod 4 and the limiting convex rod 6 to rotate, when the limiting convex rod 6 corresponds to the through hole 8, the drill bit bearing plate 1 is taken down, when the limiting convex rod 6 is taken down, the inserted rod 4 and the limiting convex rod 6 are separated from the slot 5 through the through hole 8, after the replacement, the inserted rod 4 and the limiting convex rod 6 penetrate through the through hole 8 and are inserted into the slot 5, then the limiting plate 3 is rotated, the limiting plate 3 drives the inserted rod 4 and the limiting convex rod 6 to rotate, the limiting convex rod 6 and the through hole 8 are staggered, the drill bit bearing plate 1 is fixed by the limiting convex rod 6 and the baffle 7, the replacement is completed, the influence of external factors on the use of the pneumatic down-the-hole hammer 11 can be prevented by the slag receiving barrel 12, and the installation of the slag receiving barrel 12 and the, the influence of vibrations on the vibration-damped inlet swirl device 16 can be reduced by means of the damping outer tube 15.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a device is dug soon to pneumatic down-the-hole hammer of single drill bit of positive circulation system, includes that the drill bit accepts board (1), its characterized in that: the drill bit bearing plate is characterized in that a mounting plate (2) is fixedly connected to the top of the drill bit bearing plate (1), limiting plates (3) are movably connected to two ends of the top of the mounting plate (2), an inserting rod (4) is fixedly connected to the bottom of each limiting plate (3), an inserting groove (5) is formed in the top of the drill bit bearing plate (1), and limiting convex rods (6) are fixedly connected to the lower portions of two sides of each inserting rod (4);

the utility model discloses a pneumatic down-the-hole hammer, including slot (5), internal surface fixedly connected with baffle (7), through-hole (8) have been seted up to the inside of baffle (7), top fixedly connected with front connector (9) of mounting panel (2), the surface swing joint of front connector (9) has shock attenuation cushion (10), pneumatic down-the-hole hammer (11) of top fixedly connected with of shock attenuation cushion (10), the outside swing joint of pneumatic down-the-hole hammer (11) has and connects sediment bucket (12).

2. The single-drill-bit pneumatic down-the-hole hammer rotary excavating device of the positive circulation system according to claim 1, characterized in that:

the upper part of the outer surface of the inserted rod (4) is movably connected with the mounting plate (2);

the bottom of the inserted bar (4) is positioned inside the slot (5).

3. The single-drill-bit pneumatic down-the-hole hammer rotary excavating device of the positive circulation system according to claim 1, characterized in that:

the limiting convex rods (6) are arranged at equal intervals from top to bottom;

the top of the limiting convex rod (6) is attached to the bottom of the baffle (7).

4. The single-drill-bit pneumatic down-the-hole hammer rotary excavating device of the positive circulation system according to claim 1, characterized in that:

the lower part of the outer surface of the inserted rod (4) is movably connected with the through hole (8);

the limiting convex rods (6) are all positioned inside the slot (5).

5. The single-drill-bit pneumatic down-the-hole hammer rotary excavating device of the positive circulation system according to claim 1, characterized in that:

the outer surface of the shock absorption rubber cushion (10) is fixedly connected with a lower flange (13);

the top of the lower flange (13) is fixedly connected with the bottom of the slag receiving barrel (12).

6. The single-drill-bit pneumatic down-the-hole hammer rotary excavating device of the positive circulation system according to claim 1, characterized in that:

the top of the pneumatic down-the-hole hammer (11) is fixedly connected with a damping type air inlet rotary device (16);

and the outer surface of the damping type air inlet rotary device (16) is fixedly connected with a damping outer pipe (15).

7. The single-drill-bit pneumatic down-the-hole hammer rotary excavating device of the positive circulation system according to claim 6, characterized in that:

the outer surface of the shock absorption outer pipe (15) is fixedly connected with an upper flange (14);

the bottom of the upper flange (14) is fixedly connected with the top of the slag receiving barrel (12).