CN215332645U

CN215332645U - Power transmission structure of rotary drilling rig

Info

Publication number: CN215332645U
Application number: CN202121771113.3U
Authority: CN
Inventors: 汪培恒; 于斌; 於武
Original assignee: Anhui Tongzhu Construction Machinery Co ltd
Current assignee: Anhui Tongzhu Construction Machinery Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2021-12-28
Anticipated expiration: 2031-08-02

Abstract

The utility model belongs to the technical field of dig the rig soon, a dig rig power transmission structure soon is disclosed, including the drill bit and the drilling rod that is located the drill bit upside, the first cylinder of top fixedly connected with of drill bit, the bottom fixedly connected with second cylinder of drilling rod, the round hole with first cylinder looks adaptation is seted up to the cylindrical bottom of second, fixedly connected with is the gusset plate of vertical state in the round hole, the rectangular hole with gusset plate looks adaptation is seted up at first cylindrical top, the screw rod is worn to be equipped with the junction of first cylinder and second cylinder, first notch has all been seted up on the outer wall of the first cylinder left and right sides, threaded connection has an intraoral nut that is located on the outer wall of screw rod. Under the mutually supporting of first cylinder, second cylinder, gusset plate, screw rod and nut, realized the fixed connection between drill bit and drilling rod, the dismouting of this structure is comparatively simple and firm.

Description

Power transmission structure of rotary drilling rig

Technical Field

The application relates to the technical field of rotary drilling rigs, in particular to a power transmission structure of a rotary drilling rig.

Background

The rotary digging machine is also called a rotary drilling rig, a pile driver and a comprehensive drilling rig. The material is widely used for foundation construction engineering and the like of municipal construction, highway bridges, high-rise buildings and the like, and has the main performance characteristics that: the maneuverability is strong, and the field can be rapidly transferred; the drilling tool is suitable for various stratums and has high speed, and compared with a percussion drill, the drilling tool is about eighty percent faster; the environmental pollution is small, and the slag does not need to be taken circularly; can correspond to various types of piles.

The existing rotary drilling rig has the disadvantages that the connection mode of a drill bit and a drill rod is complex, when the drill bit is damaged, a worker is difficult to detach the drill bit from the bottom of the drill rod, and the rotary drilling rig is inconvenient.

SUMMERY OF THE UTILITY MODEL

In order to solve current rotary drilling rig, its drill bit is comparatively complicated with the connected mode of drilling rod, and when the drill bit damaged the back, the staff is difficult to pull down the drill bit from the bottom of drilling rod, comparatively inconvenient problem, this application provides a rotary drilling rig power transmission structure.

The application provides a dig rig power transmission structure soon adopts following technical scheme:

the utility model provides a dig rig power transmission structure soon, includes the drill bit and is located the drilling rod of drill bit upside, the first cylinder of top fixedly connected with of drill bit, the bottom fixedly connected with second cylinder of drilling rod, the round hole with first cylinder looks adaptation is seted up to the cylindrical bottom of second, fixedly connected with is the gusset plate of vertical state in the round hole, the rectangular hole with gusset plate looks adaptation is seted up at first cylindrical top, the screw rod is worn to be equipped with in the junction of first cylinder and second cylinder, first notch has all been seted up on the outer wall of the first cylinder left and right sides, threaded connection has a intraoral nut that is located on the outer wall of screw rod.

Furthermore, the outside of first cylinder is provided with locking subassembly, locking subassembly is including the activity lag of cup jointing on first cylinder outer wall and the first spring that is located between lag and the nut.

Through above-mentioned technical scheme, set up locking subassembly, avoid producing between nut and the screw rod not hard up.

Furthermore, the top of lag is provided with spacing subassembly, spacing subassembly includes spacing ring and the internal thread sleeve of fixed connection at the spacing ring top.

Through above-mentioned technical scheme, set up spacing subassembly, avoid the lag landing from first cylindrical outer wall.

Furthermore, the outer wall of the drill rod is provided with an external thread in threaded connection with the internal thread sleeve, and the reinforcing plate is provided with a through hole convenient for the screw rod to penetrate through.

Furthermore, a second notch is formed in the outer wall of the drill bit in a penetrating mode, two side plates are symmetrically arranged in the second notch, and a second spring is fixedly connected between the side plates.

Furthermore, the lower side of the drill bit is provided with a guide sleeve, and one side of each side plate close to the guide sleeve is provided with a round angle.

Through above-mentioned technical scheme, set up the uide bushing, the person of being convenient for fixes a position the drill bit.

To sum up, the application comprises the following beneficial technical effects:

(1) the fixed connection between the drill bit and the drill rod is realized under the mutual matching of the first cylinder, the second cylinder, the reinforcing plate, the screw and the nut, the disassembly and assembly of the structure are simpler and firmer, and the looseness between the nut and the screw and the sliding of the protective sleeve from the outer wall of the first cylinder are avoided under the mutual matching of the protective sleeve, the first spring, the limiting ring and the internal thread sleeve;

(2) with uide bushing fixed mounting in the soil, the in-process that the drill bit descends, the curb plate on the outer wall of the drill bit left and right sides extrudes each other with the uide bushing, and the shrink behind the second spring extrusion for the drill bit can directly pass the uide bushing and carry out drilling, and the in-process that the drill bit rised, the curb plate on the outer wall of the drill bit left and right sides drives the uide bushing and extracts from the soil, need not the manual work and demolishs it, has saved manpower and material resources.

Drawings

FIG. 1 is a schematic diagram of an axial structure of the present application;

FIG. 2 is a first schematic cross-sectional view of the present application;

FIG. 3 is a schematic cross-sectional structural view II of the present application;

fig. 4 is an enlarged structural diagram of a in fig. 2 of the present application.

The reference numbers in the figures illustrate:

1. a drill bit; 2. a drill stem; 3. a first cylinder; 4. a second cylinder; 5. a reinforcing plate; 6. a screw; 7. a nut; 8. a protective sleeve; 9. a first spring; 10. a limiting ring; 11. an internally threaded sleeve; 12. a side plate; 13. a second spring; 14. and a guide sleeve.

Detailed Description

The technical solution in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application; it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all embodiments, and all other embodiments obtained by those of ordinary skill in the art without any inventive work based on the embodiments in the present application belong to the protection scope of the present application.

In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Example (b):

the present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses dig rig power transmission structure soon, drilling rod 2 including drill bit 1 and the 1 upside that is located the drill bit, the first cylinder 3 of top fixedly connected with of drill bit 1, the bottom fixedly connected with second cylinder 4 of drilling rod 2, the round hole with 3 looks adaptations of first cylinder is seted up to second cylinder 4's bottom, fixedly connected with is the gusset plate 5 of vertical state in the round hole, the rectangular hole with 5 looks adaptations of gusset plate is seted up at first cylinder 3's top, screw rod 6 is worn to be equipped with in first cylinder 3 and second cylinder 4's junction, first notch has all been seted up on the outer wall of the 3 left and right sides of first cylinder, threaded connection has a intraoral nut 7 that is located on the outer wall of screw rod 6. More specifically, under the mutual cooperation of first cylinder 3, second cylinder 4, gusset plate 5, screw rod 6 and nut 7, realized the fixed connection between drill bit 1 and drilling rod 2, the dismouting of this structure is comparatively simple and firm.

The outside of first cylinder 3 is provided with locking subassembly, locking subassembly cup joints lag 8 on first cylinder 3 outer wall and is located the first spring 9 between lag 8 and the nut 7 including the activity, the top of lag 8 is provided with spacing subassembly, spacing subassembly includes spacing ring 10 and the internal thread sleeve 11 of fixed connection at spacing ring 10 top, set up the external screw thread with 11 threaded connection of internal thread sleeve on the outer wall of drilling rod 2, set up the through-hole that the screw rod 6 of being convenient for wore to establish on gusset plate 5. More specifically, under the mutual cooperation among the protective sleeve 8, the first spring 9, the limiting ring 10 and the internal thread sleeve 11, the looseness between the nut 7 and the screw rod 6 and the sliding of the protective sleeve 8 from the outer wall of the first cylinder 3 are avoided.

Run through on the outer wall of drill bit 1 and seted up the second notch, the symmetry is provided with two curb plates 12 in the second notch, fixedly connected with second spring 13 between two curb plates 12, and the downside of drill bit 1 is provided with uide bushing 14, and the fillet has been seted up to one side that two curb plates 12 are close to uide bushing 14. More specifically, the side plates 12 on the outer walls of the left side and the right side of the drill bit 1 and the guide sleeve 14 are mutually extruded, and the second spring 13 is extruded and then contracted, so that the drill bit 1 can directly penetrate through the guide sleeve 14 to drill.

The implementation principle of the power transmission structure of the rotary drilling rig in the embodiment of the application is as follows: the fixed connection between the drill bit 1 and the drill rod 2 is realized under the mutual matching of the first cylinder 3, the second cylinder 4, the reinforcing plate 5, the screw rod 6 and the nut 7, the disassembly and assembly of the structure are simple and firm, under the mutual matching of the protective sleeve 8, the first spring 9, the limiting ring 10 and the internal thread sleeve 11, the looseness between the nut 7 and the screw rod 6 and the sliding of the protective sleeve 8 from the outer wall of the first cylinder 3 are avoided, the guide sleeve 14 is fixedly installed in the ground, in the descending process of the drill bit 1, one side of the side plate 12 close to the guide sleeve 14 is provided with a round corner, the side plate 12 on the outer wall of the left side and the right side of the drill bit 1 and the guide sleeve 14 are mutually extruded, the second spring 13 is extruded and then contracted, so that the drill bit 1 can directly pass through the guide sleeve 14 to drill, after the drilling is completed, in the process of the drill bit 1, the side plates 12 on the left side and the right side of the drill bit 1 drive the guide sleeve 14 to be pulled out from the ground, the manual dismantling of the device is not needed, and the manpower and material resources are saved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a dig rig power transmission structure soon which characterized in that: including drill bit (1) and drilling rod (2) that are located drill bit (1) upside, the first cylinder (3) of top fixedly connected with of drill bit (1), the bottom fixedly connected with second cylinder (4) of drilling rod (2), the round hole with first cylinder (3) looks adaptation is seted up to the bottom of second cylinder (4), reinforcing plate (5) that the downthehole fixedly connected with of round is vertical state, the rectangular hole with reinforcing plate (5) looks adaptation is seted up at the top of first cylinder (3), screw rod (6) are worn to be equipped with in first cylinder (3) and the junction of second cylinder (4), first notch has all been seted up on the outer wall of the first cylinder (3) left and right sides, threaded connection has a notch intraoral nut (7) that are located on the outer wall of screw rod (6).

2. The rotary drilling rig power transmission structure of claim 1, wherein: the anti-loosening assembly is arranged on the outer side of the first cylinder (3) and comprises a protective sleeve (8) movably sleeved on the outer wall of the first cylinder (3) and a first spring (9) located between the protective sleeve (8) and the nut (7).

3. The rotary drilling rig power transmission structure according to claim 2, characterized in that: the top of lag (8) is provided with spacing subassembly, spacing subassembly includes spacing ring (10) and fixed connection at the internal thread sleeve (11) at spacing ring (10) top.

4. The rotary drilling rig power transmission structure according to claim 3, characterized in that: the outer wall of the drill rod (2) is provided with an external thread in threaded connection with the internal thread sleeve (11), and the reinforcing plate (5) is provided with a through hole through which the screw rod (6) can penetrate conveniently.

5. The rotary drilling rig power transmission structure of claim 1, wherein: a second notch is formed in the outer wall of the drill bit (1) in a penetrating mode, two side plates (12) are symmetrically arranged in the second notch, and a second spring (13) is fixedly connected between the side plates (12).

6. The rotary drilling rig power transmission structure according to claim 5, characterized in that: the lower side of the drill bit (1) is provided with a guide sleeve (14), and one side of each side plate (12) close to the guide sleeve (14) is provided with a round angle.