CN214532797U

CN214532797U - Flat bottom cleaning drill bit of rotary drilling rig

Info

Publication number: CN214532797U
Application number: CN202022813091.4U
Authority: CN
Inventors: 胡凯
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-10-29
Anticipated expiration: 2030-11-27

Abstract

The utility model belongs to dig the machine field soon, concretely relates to dig flat clear end drill bit of rig soon, which comprises a housin, the inside fixed cup joint of the upper end of casing has the sliding sleeve, the inside sliding connection of sliding sleeve has the telescopic link, the lower extreme fixedly connected with push pedal of telescopic link, the hold up tank has been seted up to the inside of casing, the inner wall of hold up tank with the outside sliding connection of push pedal, the spring has been cup jointed in the outside slip of telescopic link, there is the installation shell the lower extreme of casing through bolted connection, the inside sliding connection of the lower extreme of installation shell has the drill bit, the inside sliding connection of installation shell has screw one. The utility model discloses a through add on the casing and establish sliding sleeve, push pedal and telescopic link isotructure for when needs are cleared up the rubble of hold up tank inside and earth, can be through promoting the telescopic link, the telescopic link promotes the push pedal, thereby can convenient and fast release the inside earth of hold up tank, can avoid strikeing the casing.

Description

Flat bottom cleaning drill bit of rotary drilling rig

Technical Field

The utility model relates to a dig quick-witted technical field soon, specifically be a dig flat clear end drill bit of rig soon.

Background

The rotary drilling machine is a comprehensive drilling machine, can be used for various bottom layers, and has the characteristics of high hole forming speed, less pollution, strong maneuverability and the like. Short auger bits perform dry excavation operations, and rotary drill bits may also be used to perform wet excavation operations with mud dado. The rotary excavator can be matched with a hammer to drill and dig holes in hard stratum. If the reamer is matched with a reaming head drilling tool, reaming operation can be carried out at the bottom of the hole. The rotary excavating machine adopts a plurality of layers of telescopic drill rods, has less drilling auxiliary time and low labor intensity, does not need slurry to discharge slag circularly, saves cost and is particularly suitable for the basic construction of urban construction.

When clearing up the flat end of the clear drill bit of the machine of digging soon among the prior art, can deposit the rubble that gets off and earth in the casing of drill bit, when clearing up the inside earth of casing, need strike the casing and make inside earth shake out, lead to the junction emergence fracture of pivot and casing easily when striking to the drill bit of lower extreme is not convenient for change for wearing and tearing the piece when clearing up the bottom surface. Accordingly, there is a need for improvements in the art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dig flat clear end drill bit of rig soon has solved the problem of the clearance earth of not being convenient for and the change drill bit of not being convenient for.

In order to achieve the above object, the utility model provides a following technical scheme: a flat bottom cleaning drill bit of a rotary drilling rig comprises a shell, a sliding sleeve is fixedly sleeved inside the upper end of the shell, the inner part of the sliding sleeve is connected with a telescopic rod in a sliding way, the lower end of the telescopic rod is fixedly connected with a push plate, the inner part of the shell is provided with a storage groove, the inner wall of the storage groove is connected with the outer side of the push plate in a sliding way, the outer side of the telescopic rod is sleeved with a spring in a sliding way, the lower end of the shell is connected with an installation shell through a bolt, a drill bit is connected to the inner part of the lower end of the mounting shell in a sliding manner, a first screw is connected to the inner part of the mounting shell in a sliding manner, the outer side of the first screw is connected with the inner side of the drill bit through threads, a limiting sleeve is fixedly connected inside the mounting shell, the lower extreme fixedly connected with gag lever post of casing, the outside of gag lever post with the internal contact of stop collar is connected, the upper end fixedly connected with support column of casing.

Preferably, a second screw is slidably connected to the inside of the mounting shell, and the outer side of the second screw is in threaded connection with the inside of the housing.

Preferably, the upper end of the spring is fixedly connected with the upper end of the telescopic rod, and the lower end of the spring is fixedly connected with the upper end of the sliding sleeve.

Preferably, the outside welding of support column has the strengthening rib, the lower extreme of strengthening rib with the upper end welding of casing.

Preferably, the upper end of the support column is fixedly connected with a connecting plate, and the upper end of the connecting plate is fixedly connected with a rotating shaft.

Preferably, the limiting rods are multiple in number and are uniformly distributed at the lower end of the shell.

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

1. the utility model discloses a through add on the casing and establish sliding sleeve, push pedal and telescopic link isotructure for when needs are cleared up the rubble of hold up tank inside and earth, can be through promoting the telescopic link, the telescopic link promotes the push pedal, thereby can convenient and fast release the inside earth of hold up tank, can avoid strikeing the casing.

2. The utility model discloses an add at the lower extreme of casing and establish installation shell, screw one and gag lever post isotructure, will weld originally the drill bit of casing lower extreme and change into and use the mounting screw to can will install the shell after the drill bit damages and dismantle the back, change solitary drill bit.

Drawings

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

fig. 2 is a right side view of fig. 1 of the present invention;

fig. 3 is an enlarged view of the structure of part a of fig. 1 according to the present invention;

fig. 4 is an enlarged view of the structure of the part B of fig. 1 according to the present invention.

In the figure: 1. a housing; 2. a sliding sleeve; 3. a telescopic rod; 4. pushing the plate; 5. a storage tank; 6. a spring; 7. mounting a shell; 8. a second screw; 9. a drill bit; 10. a first screw; 11. a limiting sleeve; 12. A limiting rod; 14. a support pillar; 15. a connecting plate; 16. a rotating shaft; 17. and (5) reinforcing ribs.

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.

Examples

Referring to fig. 1-4, a flat bottom cleaning drill bit of a rotary drilling rig comprises a shell 1, a sliding sleeve 2 is fixedly sleeved inside the upper end of the shell 1, a telescopic rod 3 is slidably connected inside the sliding sleeve 2, a push plate 4 is fixedly connected to the lower end of the telescopic rod 3, a storage tank 5 is arranged inside the shell 1, the inner wall of the storage tank 5 is slidably connected with the outer side of the push plate 4, a spring 6 is slidably sleeved outside the telescopic rod 3, the lower end of the shell 1 is connected with an installation shell 7 through a bolt, a drill bit 9 is slidably connected inside the lower end of the installation shell 7, a screw 10 is slidably connected inside the installation shell 7, the outer side of the screw 10 is connected with the inner side of the drill bit 9 through a thread, a limit sleeve 11 is fixedly connected inside the installation shell 7, a limit rod 12 is fixedly connected to the lower end of the shell 1, and the outer side of the limit rod 12 is in contact connection with the inner side of the limit sleeve 11, a support column 14 is fixedly connected to the upper end of the housing 1.

Referring to fig. 3, a second screw 8 is slidably connected to the inside of the mounting housing 7, the outer side of the second screw 8 is connected to the inside of the housing 1 through a screw thread, and the second screw 8 is used for connecting and fixing the mounting housing 7.

Referring to fig. 4, the upper end of the spring 6 is fixedly connected with the upper end of the telescopic rod 3, the lower end of the spring 6 is fixedly connected with the upper end of the sliding sleeve 2, and the spring 6 can keep the push plate 4 at the highest position in the storage tank 5 all the time, so as to avoid affecting the internal sludge storage amount.

Referring to fig. 1, a reinforcing rib 17 is welded to the outer side of the supporting column 14, the lower end of the reinforcing rib 17 is welded to the upper end of the housing 1, and the reinforcing rib 17 can increase the connection strength between the supporting column 14 and the housing 1.

Referring to fig. 1, a connecting plate 15 is fixedly connected to an upper end of the supporting column 14, a rotating shaft 16 is fixedly connected to an upper end of the connecting plate 15, and the rotating shaft 16 can drive the casing 1 and the drill bit 9 to rotate.

Referring to fig. 3, the number of the limiting rods 12 is multiple, the limiting rods 12 are uniformly distributed at the lower end of the housing 1, and the shearing force applied to the second screw 8 can be reduced when the limiting rods 12 rotate.

The utility model discloses the concrete implementation process as follows: after the plane clearance of casing 1 to the hole bottom finishes, axis of rotation 16 pulls out casing 1 from downthehole, can move telescopic link 3 through pressing after pulling out, telescopic link 3 drives push pedal 4 and clears up the inside earth of hold up tank 5, telescopic link 3 rises under the elasticity promotion of spring 6 after the clearance is received, when needs are changed drill bit 9, can dismantle two 8 screws earlier, then dismantle the screw 10 of installing the inside of shell 7, can change drill bit 9, thereby can avoid drill bit 9 welding to be not convenient for demolish when casing 1's upper end.

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. The utility model provides a dig flat clear end drill bit of rig soon, includes casing (1), its characterized in that: the inner part of the upper end of the shell (1) is fixedly sleeved with a sliding sleeve (2), the inner part of the sliding sleeve (2) is connected with a telescopic rod (3) in a sliding manner, the lower end of the telescopic rod (3) is fixedly connected with a push plate (4), the inner part of the shell (1) is provided with a storage tank (5), the inner wall of the storage tank (5) is connected with the outer side of the push plate (4) in a sliding manner, the outer side of the telescopic rod (3) is sleeved with a spring (6) in a sliding manner, the lower end of the shell (1) is connected with an installation shell (7) through a bolt, the inner part of the lower end of the installation shell (7) is connected with a drill bit (9) in a sliding manner, the inner part of the installation shell (7) is connected with a first screw (10) in a sliding manner, the outer side of the first screw (10) is connected with the inner side of the drill bit (9) through a thread, and the inner part of the installation shell (7) is fixedly connected with a limiting sleeve (11), the lower extreme fixedly connected with gag lever post (12) of casing (1), the outside of gag lever post (12) with the internal contact of stop collar (11) is connected, the upper end fixedly connected with support column (14) of casing (1).

2. The flat bottom clearing drill bit of the rotary drilling rig according to claim 1, characterized in that: the inner part of the mounting shell (7) is connected with a second screw (8) in a sliding mode, and the outer side of the second screw (8) is connected with the inner part of the shell (1) through threads.

3. The flat bottom clearing drill bit of the rotary drilling rig according to claim 1, characterized in that: the upper end of the spring (6) is fixedly connected with the upper end of the telescopic rod (3), and the lower end of the spring (6) is fixedly connected with the upper end of the sliding sleeve (2).

4. The flat bottom clearing drill bit of the rotary drilling rig according to claim 1, characterized in that: the outside welding of support column (14) has strengthening rib (17), the lower extreme of strengthening rib (17) with the upper end welding of casing (1).

5. The flat bottom clearing drill bit of the rotary drilling rig according to claim 1, characterized in that: the upper end fixedly connected with connecting plate (15) of support column (14), the upper end fixedly connected with axis of rotation (16) of connecting plate (15).

6. The flat bottom clearing drill bit of the rotary drilling rig according to claim 1, characterized in that: the number of the limiting rods (12) is multiple, and the limiting rods (12) are uniformly distributed at the lower end of the shell (1).