CN211370297U

CN211370297U - Cylindrical drilling bucket for rotary drilling rig

Info

Publication number: CN211370297U
Application number: CN201922213445.9U
Authority: CN
Inventors: 田阚锋; 杨大春
Original assignee: Nanjing Gebai Construction Machinery Co ltd
Current assignee: Nanjing Gebai Construction Machinery Co ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-08-28
Anticipated expiration: 2029-12-12

Abstract

The utility model discloses a dig cylinder drill bucket for rig soon, the large-scale ladle comprises a ladle body, the positive fixed mounting at bucket body inner wall top has the drive shaft, the bottom fixedly connected with spliced pole of drive shaft, the bottom symmetry of the drive shaft left and right sides is provided with the antifriction post, the bottom of drive shaft is provided with the connection cap, the bottom symmetry fixedly connected with drill bit of connecting the cap left and right sides, the middle part symmetry fixedly connected with of connecting the cap left and right sides supports the cover, the middle part of supporting the cover inner chamber is provided with the reference column, the middle part symmetry fixedly connected with slider of two reference columns top and bottom, reset spring has been cup jointed to the middle part symmetry of. A dig for rig cylinder soon and bore fill, through the reference column at the joint of moving-trough inside, make the drive shaft stable with being connected of cap, the reference column can shift out the moving-trough through the pulling of pulling the ring simultaneously, it is convenient to make the dismouting of connecting the cap, gives strong support in the work of need high-efficient change drill bit.

Description

Cylindrical drilling bucket for rotary drilling rig

Technical Field

The utility model relates to a dig the rig field soon, in particular to dig cylinder drill bucket for rig soon.

Background

The rotary drilling rig is a construction machine suitable for hole forming operation in building foundation engineering, is mainly suitable for soil layer construction of sandy soil, cohesive soil, silty soil and the like, and is widely applied to foundation construction of various foundations such as cast-in-place piles, continuous walls, foundation reinforcement and the like, the rated power of the rotary drilling rig is generally 125-450 kW, the power output torque is 120-400 kN.m, the maximum hole forming diameter can reach 1.5-4 m, and the maximum hole forming depth is 60-90 m, so that the requirements of various large-scale foundation construction can be met, and the construction process of the occlusive pile comprises the working procedures of adopting a pipe rolling machine to lower a grinding hole, pressing a sleeve, taking soil by a grab bucket in the sleeve, pouring concrete in situ and the like; along with the increase of underground space development strength in recent years, the depth of a foundation pit is deeper and deeper, the length of an occlusive pile construction pile is increased, a hard stratum is often encountered in the construction process, and a pile casing and a grab bucket are difficult to be successfully pressed down to take soil; in this construction process, the rotary drilling machine adopts the barrel drill bit earlier to cut both sides concrete, adopts the pick slag-off drilling bucket of taking the valve to drag for the downthehole soil body and concrete disintegrating slag again, need to switch over barrel drill bit and pick slag-off drill bit repeatedly during the hard interlock cutting construction, and the auxiliary operation time increases, and is time-consuming, influences greatly and creeps into efficiency.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a cylindrical drilling bucket for a rotary drilling rig, which can effectively solve the problems in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a dig cylinder for rig soon and bore fill, includes the bucket body, the positive fixed mounting at bucket body inner wall top has the drive shaft, the bottom fixedly connected with spliced pole of drive shaft, the bottom symmetry of drive shaft left and right sides is provided with the antifriction post, the bottom of drive shaft is provided with the connection cap, the bottom symmetry fixedly connected with drill bit of connecting the cap left and right sides, the middle part symmetry fixedly connected with of connecting the cap left and right sides supports the cover, the middle part of supporting the cover inner chamber is provided with reference column, two the middle part symmetry fixedly connected with slider of reference column top and bottom, the middle part symmetry of two reference columns has cup jointed reset spring, and the spacing collar has been cup jointed to the relative one end symmetry of two reference columns, and the one end symmetry fixedly connected with of two.

Preferably, the quantity of spliced pole is no less than three, the spread groove has been seted up to the bottom symmetry of drive shaft left and right sides, and the shifting chute has been seted up to the wall body symmetry of two spread groove bottom drive shafts, and two opposite one ends of antifriction post extend to the inside of two spread grooves respectively and agree with the inner wall of spread groove.

Preferably, the inner chamber of bucket is linked together with the external world by the centre of its bottom, the one end of connecting the cap bottom extends to the outside of bucket by the opening of bucket bottom, the inner chamber of connecting the cap is linked together with the external world by the centre at its top, the draw-in groove has been seted up to the bottom of connecting the cap inner wall, the mounting groove has been seted up to the top symmetry of connecting the cap left and right sides inner wall, and the outside at cap top is connected in the inner chamber intercommunication of mounting groove.

Preferably, the one end of drive shaft bottom extends to the inside of connecting the cap by the opening of connecting the cap top, and the inner wall of cap is connected in the one end laminating of drive shaft bottom, the quantity of draw-in groove and the quantity looks adaptation of spliced pole, the one end of spliced pole bottom extend to the inside and inner wall of laminating draw-in groove of the draw-in groove that corresponds, and the other end bottom of two antifriction posts extends to the inner wall of two mounting grooves and the inner wall of laminating mounting groove respectively.

Preferably, the inner cavity of the support sleeve is communicated with the outside from the center of the left side and the right side of the inner cavity of the support sleeve, sliding grooves are symmetrically formed in the center of the inner walls of the top and the bottom of the support sleeve, one ends, away from the positioning columns, of the two sliding blocks extend to the insides of the two sliding grooves respectively and are matched with the inner walls of the sliding grooves, the limiting ring is attached to the inner wall of the support sleeve and is fixedly connected with the inner wall of the positioning column, and the limiting ring is.

Preferably, two the one end of reference column extends to the outside of supporting the cover by the opening that supports the cover, and reset spring's one end fixed mounting is on the slider, and reset spring's other end fixed mounting circles at the spacing, two the other end of reference column runs through the outer wall of connecting the cap and extends to the inside of two shifting chutes respectively, and the reference column is laminated with the wall body of connecting the cap mutually, and the other end of reference column closely laminates with the inner wall of shifting chute.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, through the reference column joint in the moving chute inside, make the drive shaft stable with being connected of cap, the reference column can shift out the moving chute through the pulling of pulling the ring simultaneously, it is convenient to make the dismouting of connecting the cap, give strong support in the work of the drill bit is changed to the needs high efficiency, slider through setting up, the spout, the cooperation work of spacing collar, provide the direction for the removal of reference column, through setting up, the spliced pole, the antifriction post, the spread groove, the draw-in groove, the cooperation work of mounting groove, provide the location when changing the erection joint cap, and make the drive shaft drive the connection cap rotate smoothly, the practicality of this application has been strengthened.

Drawings

Fig. 1 is a schematic structural view of a front sectional view of the present invention;

FIG. 2 is an enlarged view of the present invention at A in FIG. 1;

fig. 3 is an enlarged view of the present invention at B in fig. 2.

In the figure: 1. a bucket body; 2. a drive shaft; 3. connecting columns; 4. a wear reducing column; 5. connecting grooves; 6. a moving groove; 7. a connecting cap; 8. a drill bit; 9. a card slot; 10. mounting grooves; 11. a support sleeve; 12. a chute; 13. a positioning column; 14. a slider; 15. a return spring; 16. a limiting ring; 17. the ring is pulled.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. 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 invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 invention can be understood in specific cases to those skilled in the art.

As shown in figures 1-3, a cylindrical drilling bucket for a rotary drilling rig comprises a bucket body 1, wherein a driving shaft 2 is fixedly installed in the center of the top of the inner wall of the bucket body 1, connecting columns 3 are fixedly connected to the bottom of the driving shaft 2, at least three connecting columns 3 are symmetrically arranged at the bottoms of the left side and the right side of the driving shaft 2, connecting grooves 5 are symmetrically formed in the bottoms of the left side and the right side of the driving shaft 2, moving grooves 6 are symmetrically formed in the wall bodies of the driving shaft 2 at the bottoms of the two connecting grooves 5, opposite ends of the two reducing columns 4 respectively extend into the two connecting grooves 5 and fit with the inner walls of the connecting grooves 5, a connecting cap 7 is arranged at the bottom of the driving shaft 2, drill bits 8 are symmetrically and fixedly connected to the bottoms of the left side and the right side of the connecting cap 7, the inner cavity of the bucket body 1 is communicated with the outside through the center of, connect cap 7's inner chamber by the centre at its top be linked together with the external world, draw-in groove 9 has been seted up to the bottom of connecting cap 7 inner wall, mounting groove 10 has been seted up to the top symmetry of connecting cap 7 left and right sides inner wall, the outside at cap 7 top is connected in the inner chamber intercommunication of mounting groove 10, the middle part symmetry fixedly connected with of connecting cap 7 left and right sides supports cover 11, the middle part of supporting cover 11 inner chamber is provided with reference column 13, the middle part symmetry fixedly connected with slider 14 of two reference column 13 tops and bottoms, reset spring 15 has been cup jointed to the middle part symmetry of two reference columns 13, spacing ring 16 has been cup jointed to the one end symmetry that two reference columns 13 are relative, the one end symmetry fixedly.

One end of the bottom of the driving shaft 2 extends to the inside of the connecting cap 7 from an opening at the top of the connecting cap 7, one end of the bottom of the driving shaft 2 is attached to the inner wall of the connecting cap 7, the number of the clamping grooves 9 is matched with the number of the connecting columns 3, one end of the bottom of the connecting columns 3 extends to the inside of the corresponding clamping grooves 9 and is attached to the inner wall of the clamping grooves 9, the bottoms of the other ends of the two antifriction columns 4 respectively extend to the inner walls of the two mounting grooves 10 and are attached to the inner walls of the mounting grooves 10, the inner cavity of the supporting sleeve 11 is communicated with the outside through the centers of the left side and the right side of the supporting sleeve 11, sliding grooves 12 are symmetrically arranged in the centers of the top inner walls and the bottom inner walls of the supporting sleeve 11, one ends of the two sliding blocks 14 far away from the positioning columns 13 respectively extend to the insides of the two sliding grooves 12 and are engaged with the inner walls of the sliding grooves 12, one end fixed mounting of reset spring 15 is on slider 14, and reset spring 15's other end fixed mounting is on spacing collar 16, and the other end of two reference columns 13 runs through the outer wall of connecting cap 7 and extends to the inside of two shifting chutes 6 respectively, and reference column 13 is laminated mutually with the wall body of connecting cap 7, and the other end of reference column 13 closely laminates with the inner wall of shifting chute 6.

It should be noted that, the utility model relates to a dig cylinder drilling bucket for rig soon, during the use, through reference column 13 at the inside joint of travelling chute 6, make drive shaft 2 stable with being connected of cap 7, reference column 13 can shift out travelling chute 6 through the pulling of pulling ring 17 simultaneously, it is convenient to make the dismouting of connecting cap 7, give strong support in the work of the high-efficient change drill bit of needs, slider 14 through the setting, spout 12, spacing collar 16's cooperation work, provide the direction for reference column 13's removal, through setting up, spliced pole 3, antifriction post 4, spread groove 5, draw-in groove 9, the cooperation work of mounting groove 10, provide the location when changing installation connecting cap 7, and make drive shaft 2 drive connecting cap 7 rotate smoothly, the practicality of this application has been strengthened.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a dig cylinder drilling bucket for rig soon, includes bucket body (1), its characterized in that: the middle of the top of the inner wall of the bucket body (1) is fixedly provided with a driving shaft (2), the bottom of the driving shaft (2) is fixedly connected with a connecting column (3), the bottoms of the left side and the right side of the driving shaft (2) are symmetrically provided with antifriction columns (4), the bottom of the driving shaft (2) is provided with a connecting cap (7), the bottoms of the left side and the right side of the connecting cap (7) are symmetrically and fixedly connected with drill bits (8), the middle of the left side and the right side of the connecting cap (7) is symmetrically and fixedly connected with a supporting sleeve (11), the middle of the inner cavity of the supporting sleeve (11) is provided with positioning columns (13), the middle of the top and the bottom of the two positioning columns (13) is symmetrically and fixedly connected with slide blocks (14), the middle of the two positioning columns (13) is symmetrically sleeved with a, one ends of the two positioning columns (13) are symmetrically and fixedly connected with pulling rings (17).

2. The cylindrical drilling bucket for the rotary drilling rig according to claim 1, wherein the cylindrical drilling bucket comprises: the quantity of spliced pole (3) is no less than three, spread groove (5) have been seted up to the bottom symmetry of drive shaft (2) left and right sides, and shifting chute (6) have been seted up to the wall body symmetry of two spread grooves (5) bottom drive shaft (2), and two relative one ends of antifriction post (4) extend to the inside of two spread grooves (5) respectively and agree with the inner wall of spread groove (5).

3. The cylindrical drilling bucket for the rotary drilling rig according to claim 1, wherein the cylindrical drilling bucket comprises: the inner chamber of bucket body (1) is linked together by the centre of its bottom with the external world, the one end of connecting cap (7) bottom extends to the outside of bucket body (1) by the opening of bucket body (1) bottom, the inner chamber of connecting cap (7) is linked together by the centre at its top and external world, draw-in groove (9) have been seted up to the bottom of connecting cap (7) inner wall, mounting groove (10) have been seted up to the top symmetry of connecting cap (7) left and right sides inner wall, and the outside at cap (7) top is connected in the inner chamber intercommunication of mounting groove (10).

4. The cylindrical drilling bucket for the rotary drilling rig according to claim 3, wherein the cylindrical drilling bucket comprises: the one end of drive shaft (2) bottom extends to the inside of connecting cap (7) by the opening of connecting cap (7) top, and the inner wall of connecting cap (7) is connected in the one end laminating of drive shaft (2) bottom, the quantity of draw-in groove (9) and the quantity looks adaptation of spliced pole (3), the one end of spliced pole (3) bottom extends to the inner wall of the inside and laminating draw-in groove (9) of draw-in groove (9) that corresponds, and the other end bottom of two antifriction columns (4) extends to the inner wall of two mounting grooves (10) and the inner wall of laminating mounting groove (10) respectively.

5. The cylindrical drilling bucket for the rotary drilling rig according to claim 1, wherein the cylindrical drilling bucket comprises: the inner chamber of supporting sleeve (11) is linked together with the external world by the centre of its left and right sides, spout (12) have been seted up to the centre symmetry of supporting sleeve (11) top and bottom inner wall, and the one end that reference column (13) were kept away from in two sliders (14) extends to the inside of two spout (12) respectively and agrees with the inner wall of spout (12), inner wall and fixed connection of spacing collar (16) laminating support sleeve (11), and spacing collar (16) laminate mutually with the wall body of reference column (13).

6. The cylindrical drilling bucket for the rotary drilling rig according to claim 1, wherein the cylindrical drilling bucket comprises: the one end of two reference column (13) is extended to the outside of supporting cover (11) by the opening that supports cover (11), and the one end fixed mounting of reset spring (15) is on slider (14), and the other end fixed mounting of reset spring (15) is on spacing collar (16), two the other end of reference column (13) runs through the outer wall of connecting cap (7) and extends to the inside of two shifting chutes (6) respectively, and reference column (13) are laminated mutually with the wall body of connecting cap (7), and the other end of reference column (13) closely laminates with the inner wall of shifting chute (6).