CN204436263U - The double-deck diameter-enlarging drill bit of a kind of civil engineering pile foundation construction - Google Patents
The double-deck diameter-enlarging drill bit of a kind of civil engineering pile foundation construction Download PDFInfo
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- CN204436263U CN204436263U CN201520061510.XU CN201520061510U CN204436263U CN 204436263 U CN204436263 U CN 204436263U CN 201520061510 U CN201520061510 U CN 201520061510U CN 204436263 U CN204436263 U CN 204436263U
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- drill bit
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- pile foundation
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Abstract
The double-deck diameter-enlarging drill bit of a kind of civil engineering pile foundation construction, it relates to a kind of civil engineering pile foundation construction diameter-enlarging drill bit, is specifically related to the double-deck diameter-enlarging drill bit of a kind of civil engineering pile foundation construction.The utility model is all that employing single layer bit is expanding or inclined-plane brill tooth is expanding to solve existing pile foundation construction diameter-enlarging drill bit, and expanding efficiency is lower, and the hole wall quality after expanding is poor, affects the problem of subsequent construction.The utility model comprises framework, slip cap, guide peg, two drill bit platforms, two one deck drill bits, two two layers of drill bits, two one deck drill bit drive rods and two two layers of drill bit drive rods, guide peg is vertically inserted in framework, slip cap suit on the guide bar, two drill bit platforms are symmetricly set on the both sides in framework, each vertical edge of framework has two drill guide bore from top to bottom, each drill bit platform is arranged respectively two layers of drill bit.The utility model is used for field of civil engineering.
Description
Technical field
The utility model relates to a kind of civil engineering pile foundation construction diameter-enlarging drill bit, is specifically related to the double-deck diameter-enlarging drill bit of a kind of civil engineering pile foundation construction, belongs to field of civil engineering.
Background technology
Pile foundation is made up of jointly foundation pile and the cushion cap being connected to stake top.If pile body is all embedded in soil, cushion cap bottom surface contacts with the soil body, be then called embedded footing on piles, low capped pile foundation, if pile body top basset and cushion cap lower than more than ground, be then called elevated footing on piles.Building pile foundation is generally embedded footing on piles, low capped pile foundation plinth.In pile foundation construction ground punching and expanding be important operation, especially expanding, it directly affects stability and the fastness of pile foundation.Existing pile foundation construction diameter-enlarging drill bit is all that employing single layer bit is expanding or inclined-plane brill tooth is expanding, and expanding efficiency is lower, and the hole wall quality after expanding is poor, affects subsequent construction.
Summary of the invention
The utility model is all that employing single layer bit is expanding or inclined-plane brill tooth is expanding for solving existing pile foundation construction diameter-enlarging drill bit, expanding efficiency is lower, hole wall quality after expanding is poor, affects the problem of subsequent construction, and then proposes the double-deck diameter-enlarging drill bit of a kind of civil engineering pile foundation construction.
The utility model is the technical scheme taked that solves the problem: the utility model comprises framework, slip cap, guide peg, two drill bit platforms, two one deck drill bits, two two layers of drill bits, two one deck drill bit drive rods and two two layers of drill bit drive rods, guide peg is vertically inserted in framework, slip cap suit on the guide bar, two drill bit platforms are symmetricly set on the both sides in framework, each vertical edge of framework has two drill guide bore from top to bottom, each drill bit platform is arranged respectively two layers of drill bit, and each two layers of drill bit are inserted in a corresponding drill guide bore, two one deck drill bits are symmetricly set on the bottom girder two ends of framework, and each one deck drill bit is inserted in a corresponding drill guide bore, the head end of each one deck drill bit and each two layers of drill bit is all towards the outside of framework, the root end of each one deck drill bit is rotationally connected with one end of one deck drill bit drive rod respectively, the other end of each one deck drill bit drive rod is all rotationally connected with the lateral wall of slip cap, the root end of each two layers of drill bit is rotationally connected with one end of two layers of drill bit drive rod respectively, the other end of each two layers of drill bit drive rod is all rotationally connected with the lateral wall of slip cap.
The beneficial effects of the utility model are: expanding the while that the utility model can carrying out two-layer hole wall, expanding efficiency is high, and can realize the reconditioning repeatedly of same layer hole wall, improve hole wall quality, for postorder construction provides quality assurance; The utility model dismounting drill bit is convenient and swift, drill bit all can be taken in framework under off working state, and protection drill bit is not frayed under non-Construction State, extends drilling life of bit.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Detailed description of the invention
Detailed description of the invention one: composition graphs 1 illustrates present embodiment, described in present embodiment, the double-deck diameter-enlarging drill bit of a kind of civil engineering pile foundation construction comprises framework 1, slip cap 2, guide peg 3, two drill bit platforms 4, two one deck drill bits 5, two two layers of drill bits 6, two one deck drill bit drive rods 7 and two two layers of drill bit drive rods 8, guide peg 3 is vertically inserted in framework 1, slip cap 2 is sleeved on guide peg 3, two drill bit platforms 4 are symmetricly set on the both sides in framework 1, each vertical edge 1-1 of framework 1 has two drill guide bore 1-2 from top to bottom, each drill bit platform 4 is arranged respectively two layers of drill bit 6, and each two layers of drill bit 6 are inserted in a corresponding drill guide bore 1-2, two one deck drill bits 5 are symmetricly set on the bottom girder 1-3 two ends of framework 1, and each one deck drill bit 5 is inserted in a corresponding drill guide bore 1-2, the head end of each one deck drill bit 5 and each two layers of drill bit 6 is all towards the outside of framework 1, the root end of each one deck drill bit 5 is rotationally connected with one end of one deck drill bit drive rod 7 respectively, the other end of each one deck drill bit drive rod 7 is all rotationally connected with the lateral wall of slip cap 2, the root end of each two layers of drill bit 6 is rotationally connected with one end of two layers of drill bit drive rod 8 respectively, the other end of each two layers of drill bit drive rod 8 is all rotationally connected with the lateral wall of slip cap 2.
Detailed description of the invention two: composition graphs 1 illustrates present embodiment, described in present embodiment, the double-deck diameter-enlarging drill bit of a kind of civil engineering pile foundation construction also comprises two slip cap drive rods 9, two slip cap drive rods 9 are arranged side by side, and the lower end of each slip cap drive rod 9 is all fixedly connected with the upper end of slip cap 2 through the back timber 1-4 of framework 1.Other composition and annexation identical with detailed description of the invention one.
operating principle
During construction, the back timber 1-4 of framework 1 is connected with the rotating shaft of rig, framework 1 is put into and treats reaming, start rig, downward promotion slip cap drive rod 9, two slip cap drive rods 9 promote slip cap 2 and move down, and then promote one deck drill bit 5 and two layers of drill bit 6 outwards movement gradually, realize expanding.
Claims (2)
1. the double-deck diameter-enlarging drill bit of civil engineering pile foundation construction, it is characterized in that: the double-deck diameter-enlarging drill bit of described a kind of civil engineering pile foundation construction comprises framework (1), slip cap (2), guide peg (3), two drill bit platforms (4), two one deck drill bits (5), two two layers drill bit (6), two one deck drill bit drive rods (7) and two two layers drill bit drive rod (8), guide peg (3) is vertically inserted in framework (1), slip cap (2) is sleeved on guide peg (3), two drill bit platforms (4) are symmetricly set on the both sides in framework (1), each vertical edge (1-1) of framework (1) has two drill guide bore (1-2) from top to bottom, each drill bit platform (4) is arranged respectively one two layers drill bit (6), and each two layers of drill bit (6) are inserted in a corresponding drill guide bore (1-2), two one deck drill bits (5) are symmetricly set on bottom girder (1-3) two ends of framework (1), and each one deck drill bit (5) is inserted in a corresponding drill guide bore (1-2), the head end of each one deck drill bit (5) and each two layers of drill bit (6) is all towards the outside of framework (1), the root end of each one deck drill bit (5) is rotationally connected with one end of one deck drill bit drive rod (7) respectively, the other end of each one deck drill bit drive rod (7) is all rotationally connected with the lateral wall of slip cap (2), the root end of each two layers of drill bit (6) is rotationally connected with one end of one two layers drill bit drive rod (8) respectively, the other end of each two layers of drill bit drive rod (8) is all rotationally connected with the lateral wall of slip cap (2).
2. the double-deck diameter-enlarging drill bit of a kind of civil engineering pile foundation construction according to claim 1, it is characterized in that: the double-deck diameter-enlarging drill bit of described a kind of civil engineering pile foundation construction also comprises two slip cap drive rods (9), two slip cap drive rods (9) are arranged side by side, and the lower end of each slip cap drive rod (9) is all fixedly connected with the upper end of slip cap (2) through the back timber (1-4) of framework (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520061510.XU CN204436263U (en) | 2015-01-29 | 2015-01-29 | The double-deck diameter-enlarging drill bit of a kind of civil engineering pile foundation construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520061510.XU CN204436263U (en) | 2015-01-29 | 2015-01-29 | The double-deck diameter-enlarging drill bit of a kind of civil engineering pile foundation construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204436263U true CN204436263U (en) | 2015-07-01 |
Family
ID=53604141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520061510.XU Expired - Fee Related CN204436263U (en) | 2015-01-29 | 2015-01-29 | The double-deck diameter-enlarging drill bit of a kind of civil engineering pile foundation construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204436263U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989551A (en) * | 2017-12-12 | 2018-05-04 | 广西大学 | The broken rock reaming bit of pile sinking and the construction method of pile sinking |
| CN108843245A (en) * | 2018-05-29 | 2018-11-20 | 上海宝冶集团有限公司 | A kind of diameter-enlarging drill bit and pile foundation hole diameter enlarging method |
-
2015
- 2015-01-29 CN CN201520061510.XU patent/CN204436263U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107989551A (en) * | 2017-12-12 | 2018-05-04 | 广西大学 | The broken rock reaming bit of pile sinking and the construction method of pile sinking |
| CN108843245A (en) * | 2018-05-29 | 2018-11-20 | 上海宝冶集团有限公司 | A kind of diameter-enlarging drill bit and pile foundation hole diameter enlarging method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20170129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |