CN219158910U - Punching hammer for forming pile hole of filling pile - Google Patents
Punching hammer for forming pile hole of filling pile Download PDFInfo
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- CN219158910U CN219158910U CN202223598941.9U CN202223598941U CN219158910U CN 219158910 U CN219158910 U CN 219158910U CN 202223598941 U CN202223598941 U CN 202223598941U CN 219158910 U CN219158910 U CN 219158910U
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Abstract
The application relates to the technical field of building construction, in particular to a punch hammer for forming a pile hole of a cast-in-place pile. The device comprises a support, a plurality of hammers are arranged on the support along the circumferential direction of the support, a plurality of teeth are arranged at the bottoms of the hammers, a scraping strip is arranged between two adjacent hammers, and a slag discharging hole is formed between the scraping strip and two adjacent hammers. According to the utility model, the scraping strip is arranged between the two hammerheads, so that the scraping strip can clean soil between the two hammerheads in the process of moving the hammerheads up and down, the soil is prevented from being attached to the inner wall of the bored concrete pile, and the subsequent lowering of the reinforcement cage is facilitated.
Description
Technical Field
The application relates to the technical field of building construction, in particular to a punch hammer for forming a pile hole of a cast-in-place pile.
Background
The bored pile is a pile foundation which is formed by forming pile holes in foundation soil by means of mechanical drilling, punching, steel pipe soil squeezing or manual excavation and the like on an engineering site, placing reinforcement cages in the pile holes and pouring concrete. The bored pile has the characteristics of mature construction process, high bearing capacity, less use limiting conditions and the like, and is widely applied to engineering projects with poor geological conditions. The improvement of the pore-forming efficiency on the premise of maintaining the stability of the pore wall is an important index for evaluating the process quality of the impact pore-forming cast-in-place pile.
Chinese patent No. CN203362023U discloses a large diameter drill hammer for bored pile drilling machine, on which a group of leaf fans are arranged; the end part of the leaf fan is provided with a vertical lengthened iron casting, and the bottom of the vertical lengthened iron casting is provided with a horizontal iron casting. According to the utility model, the diameter of the common drilling hammer is increased in a mode of welding a vertical lengthened iron casting at the end part of each leaf fan of the common drilling hammer with the existing diameter of 2.8m, so that the drilling requirement of a large-diameter cast-in-place pile in the construction engineering is met.
The drilling hammer can realize the construction of a pile hole of the cast-in-situ pile, but has the corresponding problems in the use process:
when constructing to soil layer that earth viscosity is great, there is the clearance between two flabellums, at the in-process that the drill hammer moved down, earth between two flabellums can not be fine broken, and this can make earth between two flabellums glue on the inner wall of bored concrete pile, causes the interference to follow-up reinforcement cage that drops to because earth between two flabellums can not fine broken, this has just led to the irregular shape of bored concrete pile stake hole shaping back.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a punch hammer for forming a pile hole of a cast-in-place pile, which is used for cleaning soil between two hammers.
The technical scheme adopted by the utility model for solving the technical problem is that the impact hammer for forming the pile hole of the cast-in-place pile comprises a support, wherein the support is provided with a plurality of hammers along the circumferential direction of the support, the bottoms of the hammers are provided with a plurality of teeth, a scraping strip is arranged between two adjacent hammers, and a slag discharging hole is formed between the scraping strip and the two adjacent hammers.
Further, the scraping strip is arc-shaped, the outer end of the hammer head is arc-shaped, and the projection formed by the scraping strip and the hammer head on the horizontal plane is circular.
Further, the scraping strip is connected with the hammer head through a detachable structure.
Further, detachable construction is including setting up the first connecting plate on scraping the strip, first connecting plate is parallel with the lateral wall of tup, be provided with the through-hole on the first connecting plate, be provided with the bolt hole on the tup lateral wall, lateral wall and the first connecting plate through bolted connection tup.
Further, detachable construction still includes the second connecting plate that sets up on scraping the strip, be provided with the through-hole on the second connecting plate, the outer end of tup is provided with the bolt hole, through the outer end and the second connecting plate of bolted connection tup.
Further, the bottom of the scraping strip is provided with a cutting edge angle.
Further, the projection of the support on the horizontal plane is in a cross shape, and the hammer head is arranged on four vertexes of the support.
Further, a plurality of lifting holes are formed in the support.
The beneficial effects of the utility model are as follows: through setting up between two tups and scrape the strip, at the in-process that the tup reciprocated, scrape the strip and can clear up the earth between two tups, avoid earth to adhere to on bored concrete pile's inner wall, make things convenient for follow-up steel reinforcement cage of transferring down.
Drawings
FIG. 1 is a top view of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is an enlarged view at A in FIG. 1;
FIG. 4 is a top view of a wiper strip;
fig. 5 is a cross-sectional view of fig. 4.
Reference numerals: 1-a support; 101-a slag discharging hole; 102-lifting holes; 2-hammer head; 201-tooth; 3-scraping strips; 301-a first connection plate; 302-a second connection plate; 303-edge angle.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
As shown in fig. 1 and 2, the impact hammer for forming a pile hole of a cast-in-place pile comprises a support 1, wherein a plurality of hammers 2 are arranged on the support 1 along the circumferential direction of the support, a plurality of teeth 201 are arranged at the bottom of each hammers 2, a scraping strip 3 is arranged between two adjacent hammers 2, and a slag discharge hole 101 is formed between each scraping strip 3 and two adjacent hammers 2.
The support 1 is used for installing the hammer head 2, the hammer head 2 and the support 1 can be connected in a welding or integrated forming mode, the hammer head 2 is used for being in contact with soil on the ground, and pile holes are formed in the ground by utilizing the self gravity of the hammer head 2; here, a gap exists between the two hammerheads 2, and the gap and the corresponding scraping strip 3 serve as a slag discharging hole 101, and crushed soil is discharged through the slag discharging hole 101; the bottom of the hammer head 2 is provided with teeth 201, and the teeth 201 are triangular pyramid or cone-shaped and are used for breaking up soil on the ground; the scraping strip 3 can adopt the common reinforcing bar or the steel sheet on the building site, tailors the reinforcing bar or the steel sheet into suitable length, can adopt the welded mode to weld the scraping strip 3 between two hammers 2, and at the in-process that hammers 2 moved down, the scraping strip 3 can clear up the inner wall of the stake hole that forms, scrapes the earth of adhesion at stake hole inner wall or the earth in place that hammers 2 do not contact. The outline shape formed by the hammer head 2 and the scraping strip 3 is the shape of the pile hole.
In order to make the pile hole forming more regular, referring to fig. 1, further, the scraping strip 3 is arc-shaped, the outer end of the hammer head 2 is arc-shaped, and the projection of the scraping strip 3 and the hammer head 2 on the horizontal plane is circular. The circle centers of the scraping strips 3 are overlapped, the outer end of the hammer head 2 is the end part of the hammer head 2 far away from the support 1, the projection of the scraping strips 3 and the hammer head 2 on the horizontal plane is circular, then the pile hole formed by the punching hammer is also circular, and the subsequent manufacturing of the reinforcement cage is more convenient.
Because there are some hard substances such as stones in the soil inevitably, the scraping strip 3 may contact with the stones during the falling process of the impact hammer, which results in abrasion of the scraping strip 3, and further, the scraping strip 3 is connected with the hammer head 2 through a detachable structure in order to facilitate replacement of the scraping strip 3.
Referring to fig. 3 and 4, further, the detachable structure includes a first connection plate 301 disposed on the scraping strip 3, the first connection plate 301 is parallel to the side wall of the hammer head 2, a through hole is disposed on the first connection plate 301, a bolt hole is disposed on the side wall of the hammer head 2, and the side wall of the hammer head 2 and the first connection plate 301 are connected through a bolt. The first connecting plate 301 is a steel plate and can be connected with the scraping strip 3 through welding or an integrally formed mode, the two first connecting plates 301 are respectively arranged at two ends of the scraping strip 3, the first connecting plate 301 is connected with the side wall of the hammer head 2 through a bolt connection mode, and after the scraping strip 3 is worn, the first connecting plate 301 is detached from the hammer head 2 to be replaced.
In order to further ensure the connection stability of the scraping strip 3 and the hammer head 2, see fig. 3 and 4, the detachable structure further comprises a second connecting plate 302 arranged on the scraping strip 3, a through hole is arranged on the second connecting plate 302, a bolt hole is arranged at the outer end of the hammer head 2, and the outer end of the hammer head 2 is connected with the second connecting plate 302 through a bolt. Likewise, the second connecting plate 302 is a steel plate and can be connected with the scraping strip 3 through welding or an integrated forming mode, the second connecting plate 302 is two, the two second connecting plates 302 are respectively arranged at two ends of the scraping strip 3, at this time, the second connecting plate 302 is positioned outside the hammer head 2, and the outer ends of the second connecting plate 302 and the hammer head 2 are connected through a bolt connection mode, so that two connecting positions of the first connecting plate 301 and the second connecting plate 302 are arranged between the scraping strip 3 and the hammer head 2, and the scraping strip 3 and the hammer head 2 are more stable.
To further ensure the scraping effect of the soil on the inner wall of the pile hole, referring to fig. 5, the bottom of the scraping strip 3 is provided with a cutting edge angle 303.
For further improvement of the slag removal capacity, see fig. 1; the projection of the support 1 on the horizontal plane is in a cross shape, and the hammer heads 2 are arranged on four vertexes of the support 1. The support 1 is arranged in a cross shape, so that the deslagging space between the hammers 2 is increased.
In order to facilitate the hoisting of the impact hammer by the hoist, referring to fig. 2, further, a plurality of hoisting holes 102 are provided above the support 1.
The embodiments of the present utility model are all preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. Be used for fashioned hammer of bored concrete pile stake hole, including support (1), support (1) are provided with a plurality of tup (2) along its circumferencial direction, the bottom of tup (2) is provided with a plurality of teeth (201), its characterized in that: a scraping strip (3) is arranged between two adjacent hammers (2), and a slag discharging hole (101) is formed between the scraping strip (3) and the two adjacent hammers (2).
2. A ram for use in the formation of a pile hole in a cast-in-place pile as defined in claim 1, wherein: the scraping strip (3) is arc-shaped, the outer end of the hammer head (2) is arc-shaped, and the projection of the scraping strip (3) and the hammer head (2) on the horizontal plane is circular.
3. A ram for use in the formation of a pile hole in a cast-in-place pile as defined in claim 2, wherein: the scraping strip (3) is connected with the hammer head (2) through a detachable structure.
4. A ram for use in the formation of a pile hole in a cast-in-place pile as defined in claim 3, wherein: the detachable structure comprises a first connecting plate (301) arranged on the scraping strip (3), the first connecting plate (301) is parallel to the side wall of the hammer head (2), a through hole is formed in the first connecting plate (301), a bolt hole is formed in the side wall of the hammer head (2), and the side wall of the hammer head (2) is connected with the first connecting plate (301) through a bolt.
5. A ram for use in the formation of a pile hole in a cast-in-place pile as defined in claim 4, wherein: the detachable structure further comprises a second connecting plate (302) arranged on the scraping strip (3), a through hole is formed in the second connecting plate (302), a bolt hole is formed in the outer end of the hammer head (2), and the outer end of the hammer head (2) is connected with the second connecting plate (302) through a bolt.
6. A hammer for use in the formation of a pile hole for a cast-in-place pile as defined in any one of claims 1 to 5, wherein: the bottom of the scraping strip (3) is provided with a cutting edge angle (303).
7. A ram for use in the formation of a pile hole in a cast-in-place pile as defined in claim 6, wherein: the projection of the support (1) on the horizontal plane is in a cross shape, and the hammer heads (2) are arranged on four vertexes of the support (1).
8. A ram for use in the formation of a pile hole in a cast-in-place pile as defined in claim 6, wherein: a plurality of lifting holes (102) are formed in the support (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223598941.9U CN219158910U (en) | 2022-12-30 | 2022-12-30 | Punching hammer for forming pile hole of filling pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223598941.9U CN219158910U (en) | 2022-12-30 | 2022-12-30 | Punching hammer for forming pile hole of filling pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219158910U true CN219158910U (en) | 2023-06-09 |
Family
ID=86620144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223598941.9U Active CN219158910U (en) | 2022-12-30 | 2022-12-30 | Punching hammer for forming pile hole of filling pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219158910U (en) |
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2022
- 2022-12-30 CN CN202223598941.9U patent/CN219158910U/en active Active
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