CN209556925U - The outer pipe device of hammer in a kind of - Google Patents
The outer pipe device of hammer in a kind of Download PDFInfo
- Publication number
- CN209556925U CN209556925U CN201920012847.XU CN201920012847U CN209556925U CN 209556925 U CN209556925 U CN 209556925U CN 201920012847 U CN201920012847 U CN 201920012847U CN 209556925 U CN209556925 U CN 209556925U
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- CN
- China
- Prior art keywords
- frustum
- cone
- cylindrical weight
- outer pipe
- hammer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses outer pipe device, including casing (1) is hammered in one kind into shape, cylindrical weight (2) is equipped in the casing (1), cylindrical weight (2) end is equipped with the frustum of a cone (3)；Using technical solution above due to being equipped with the frustum of a cone in cylindrical weight end, power vertically downward is assigned to two sides by the inclined-plane of the frustum of a cone when hammering soil compaction, improve working efficiency, enlarged footing can be made to increase the diameter of enlarged footing to transverse shear stress when hammering enlarged footing in pile foundation simultaneously, improve the quality of pile foundation.
Description
Technical field
The utility model relates to a kind of pile foundation equipment, more particularly to a kind of piling equipment of interior hammer outer tube.
Background technique
Cylindrical weight end face in the outer tube apparatus of traditional interior hammer is plane, when driving piles or hammering enlarged footing in pile foundation
Since the depth for only having plane contact to hammer every time and the dynamics squeezed to two sides are inadequate, working efficiency is low, and enlarged footing is straight
Diameter is not big enough, influences pile foundation quality.
Utility model content
In order to solve deficiency in the prior art, a kind of outer pipe device of the interior hammer that work efficiency is high, the utility model are provided
Used technical solution is:
The outer pipe device of hammer in a kind of, including casing are equipped with cylindrical weight, the cylinder weight in the casing
Hammer tip portion is equipped with the frustum of a cone.
The frustum of a cone height is 3-4mm, and the frustum of a cone end face diameter is 40- smaller than cylindrical weight diameter
50mm。
Feeding port is equipped on the sleeve side walls.
Using technical solution above due to being equipped with the frustum of a cone in cylindrical weight end, frustum of a cone when hammering
Power vertically downward is assigned to two sides by inclined-plane soil compaction, improves working efficiency, while expanding in hammering pile foundation
Enlarged footing can be made to increase the diameter of enlarged footing to transverse shear stress when head, improve the quality of pile foundation.
Detailed description of the invention
Fig. 1 is the utility model partial sectional view.
Specific embodiment
The outer pipe device of interior hammer as shown in Figure 1, including casing 1, are equipped with cylindrical weight 2 in casing 1, in cylinder weight
2 ends are hammered into shape equipped with the frustum of a cone 3.
3 height of the frustum of a cone is 3-4mm, and the diameter of 3 end face of the frustum of a cone is 40-50mm smaller than cylindrical 2 diameter of weight.For
Filler is facilitated to be equipped with feeding port 4 in casing 1 side.
Casing 1 is placed in pile foundation hole when its work, unclamps freely falling body after being lifted cylindrical weight 2 with lifting equipment
Whereabouts hammers pile foundation hole, and with continuous hammering, the depth of pile foundation hole also gradually increases, and casing 1 is therewith to moving down
It is dynamic to know projected depth, when needing to do enlarged footing, dry concrete is poured into from feeding port 4, continues to hammer into shape using cylindrical weight 2
It hits to form enlarged footing.
Claims (3)
1. the outer pipe device of hammer in a kind of, including casing (1) are equipped with cylindrical weight (2), feature in the casing (1)
Be: cylindrical weight (2) end is equipped with the frustum of a cone (3).
2. a kind of interior outer pipe device of hammer according to claim 1, it is characterised in that: the frustum of a cone (3) is highly 3-
4mm, the frustum of a cone (3) end face diameter are 40-50mm smaller than cylindrical weight (2) diameter.
3. a kind of interior outer pipe device of hammer according to claim 1 or 2, it is characterised in that: on described casing (1) side wall
Equipped with feeding port (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920012847.XU CN209556925U (en) | 2019-01-04 | 2019-01-04 | The outer pipe device of hammer in a kind of |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920012847.XU CN209556925U (en) | 2019-01-04 | 2019-01-04 | The outer pipe device of hammer in a kind of |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209556925U true CN209556925U (en) | 2019-10-29 |
Family
ID=68305372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920012847.XU Active CN209556925U (en) | 2019-01-04 | 2019-01-04 | The outer pipe device of hammer in a kind of |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209556925U (en) |
-
2019
- 2019-01-04 CN CN201920012847.XU patent/CN209556925U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |