CN211312516U - Hammer drop preventing device of impact hammer for cast-in-situ bored pile - Google Patents
Hammer drop preventing device of impact hammer for cast-in-situ bored pile Download PDFInfo
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- CN211312516U CN211312516U CN201921377337.9U CN201921377337U CN211312516U CN 211312516 U CN211312516 U CN 211312516U CN 201921377337 U CN201921377337 U CN 201921377337U CN 211312516 U CN211312516 U CN 211312516U
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Abstract
The utility model discloses an impact hammer drop-proof device for a cast-in-situ bored pile, which comprises a hanging ring, a threaded column, a limiting disc, a supporting table and a supporting plate; limiting rods are symmetrically and vertically welded on the left side and the right side of the top of the supporting plate, and the tops of the two groups of limiting rods penetrate through the middle of the clamping block; the two groups of clamping blocks are symmetrically welded to the middle parts of the left side and the right side of the supporting table, the clamping gaps are symmetrically formed in one side, away from each other, of the two groups of clamping blocks, and the tops of the two groups of limiting rods penetrate through one sides, close to each other, of the two groups of clamping gaps respectively. The utility model discloses at the in-process that this device was hoisted, spacing dish passes through the slide bar and rises along the slide bar, spacing dish compression spring A simultaneously, and spring A can effectually cushion the sudden ascending power that receives spacing dish this moment for this device is for the tup of traditional pile driver, and this device can effectually avoid the tup to receive the fracture of the tup that the impact of the traction force that rises leads to suddenly and drop at the in-process of in-service use.
Description
Technical Field
The utility model relates to a pile driver and tup are connected technical field, specifically are a hammer device is prevented falling by jump bit for bored concrete pile.
Background
In the cast-in-situ bored pile construction process, a hole of a pile foundation needs to be drilled in the ground, and then the pile foundation is driven into the drilled hole by a pile driver.
The pile driver that has now is at the in-process of in-service use, and the connection structure between pile driver and the tup is comparatively complicated, easy to assemble inadequately and dismantles, and pile driving in-process, the continuous rising of tup and decline hammering pile foundation, the connection structure of the in-process tup that rises again and descend receives great impact force, causes connection structure's fracture easily in the past for a long time, causes the tup to drop.
In order to solve the problem, the utility model provides a hammer device is prevented falling by jump bit for drilling bored concrete pile.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hammer device is prevented falling by jump bit for bored concrete pile has solved the problem that proposes in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: an impact hammer drop-proof device for a bored pile comprises a lifting ring, a threaded column, a limiting disc, a supporting table and a supporting plate;
limiting rods are symmetrically and vertically welded on the left side and the right side of the top of the supporting plate, and the tops of the two groups of limiting rods penetrate through the middle of the clamping block;
the two groups of clamping blocks are symmetrically welded to the middle parts of the left side and the right side of the supporting table, the sides, far away from each other, of the two groups of clamping blocks are symmetrically provided with clamping seams, the tops of the two groups of limiting rods respectively penetrate through the sides, close to each other, of the two groups of clamping seams, the top of the supporting table is perpendicularly welded with a sliding rod, and a limiting disc is arranged on the top of the supporting table;
a sliding hole is vertically formed between the edge of the top surface and the edge of the bottom surface of the limiting disc in a penetrating mode, the sliding rod vertically penetrates through the middle of the sliding hole, a spring A and a spring B are wound on the outer wall of the sliding rod, a limiting circular plate is welded to the top of the sliding rod, and a threaded column vertically penetrates through the middle of the limiting disc;
the threaded column top is perpendicularly and fixedly welded at the bottom of the hanging ring, the bottom of the threaded column penetrates through the middle of the connecting disc, the connecting disc is fixedly connected with the limiting disc through a connecting bolt, and the connecting bolt penetrates through the limiting disc and the connecting disc.
As an embodiment of the present invention, it is two sets of fastening bolts are all penetrated through the one end that both sides were kept away from each other around the clamp splice, and are two sets of fastening bolts are respectively penetrated through two sets of one side that the crack was kept away from each other.
As a preferred embodiment of the present invention, the spring a is located between the limiting disc and the limiting circular plate, and the spring B is located between the limiting disc and the supporting table.
As a preferred embodiment of the present invention, the connection pad is connected to the threaded post by a screw.
As a preferred embodiment of the present invention, the connection pad is located below the middle portion of the limiting plate.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model relates to a hammer device is prevented falling by jump bit for bored concrete pile, at the in-process that this device was hoisted, spacing dish passes through the slide opening and rises along the slide bar, spacing dish compression spring A simultaneously, spring A can effectually cushion the sudden ascending power that spacing dish received this moment, make this device for the tup of traditional pile driver, this device can effectually avoid the tup to receive the fracture of the tup that the impact of ascending traction force leads to suddenly and drop at the in-process of in-service use.
2. The utility model relates to a hammer device is prevented falling by jump bit for bored concrete pile, at the in-process that this device descends, layer board bottom striking concrete pile for concrete pile inserts in the bored concrete hole, in the twinkling of an eye in layer board and concrete pile contact, spring B can cushion the trend of the decline of spacing dish, for traditional pile driver tup, this device can effectually cushion the connection structure between tup and the pile driver lifting rope at the in-process of in-service use, avoid connection structure to damage and lead to the tup to drop from the pile driver.
3. The utility model relates to a hammer device is prevented falling by jump bit for bored concrete pile pulls down connecting bolt, screws off the connection pad from the screw thread post again, then just can take off screw thread post and rings from this device top, for traditional pile driver and the connection structure between the hammerhead, the mode of connection between this device in-process hammerhead and the pile driver of in-service use is more simple, and connects more conveniently.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a front view of the impact hammer drop prevention device for a bored pile according to the present invention;
fig. 2 is a front sectional view of the impact hammer drop prevention device for a bored pile according to the present invention;
fig. 3 is a top sectional view of a support table and a clamping block of the impact hammer drop prevention device for a bored pile according to the present invention;
fig. 4 is a top view of a supporting table of the impact hammer drop prevention device for a cast-in-situ bored pile according to the present invention;
fig. 5 is the utility model relates to a top view of the spacing dish of hammer drop prevention device of jump bit for bored concrete pile.
In the figure: the device comprises a supporting plate 1, a limiting rod 2, a clamping block 3, a supporting table 4, a crack 5, a sliding hole 6, a sliding rod 7, a connecting disc 8, a limiting disc 9, a connecting bolt 10, a limiting circular plate 11, a hanging ring 12, a spring A13, a spring B14, a threaded column 15 and a fastening bolt 16.
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.
Referring to fig. 1-5, the present invention provides a technical solution: an impact hammer drop-proof device for a bored pile comprises a lifting ring 12, a threaded column 15, a limiting disc 9, a supporting table 4 and a supporting plate 1;
limiting rods 2 are symmetrically and vertically welded on the left side and the right side of the top of the supporting plate 1, and the tops of the two groups of limiting rods 2 penetrate through the middle of the clamping block 3;
the two groups of clamping blocks 3 are symmetrically welded with the middle parts of the left side and the right side of the supporting table 4, the sides, far away from each other, of the two groups of clamping blocks 3 are symmetrically provided with clamping gaps 5, the tops of the two groups of limiting rods 2 respectively penetrate through the sides, near to each other, of the two groups of clamping gaps 5, the top of the supporting table 4 is perpendicularly welded with a sliding rod 7, and the top of the supporting table 4 is provided with a limiting disc 9;
a sliding hole 6 vertically penetrates between the edge of the top surface and the edge of the bottom surface of the limiting disc 9, the sliding rod 7 vertically penetrates through the middle of the sliding hole 6, a spring A13 and a spring B14 are wound on the outer wall of the sliding rod 7, a limiting circular plate 11 is welded at the top of the sliding rod 7, and a threaded column 15 vertically penetrates through the middle of the limiting disc 9;
the top of the threaded column 15 is vertically fixed and welded at the bottom of the hanging ring 12, the bottom of the threaded column 15 penetrates through the middle of the connecting disc 8, the connecting disc 8 is fixedly connected with the limiting disc 9 through a connecting bolt 10, and the connecting bolt 10 penetrates through the limiting disc 9 and the connecting disc 8.
Fastening bolts 16 penetrate through the ends, far away from each other, of the front side and the rear side of the two groups of clamping blocks 3, and the two groups of fastening bolts 16 penetrate through the sides, far away from each other, of the two groups of gaps 5 respectively.
The spring A13 is located between the limiting disk 9 and the limiting circular plate 11, and the spring B14 is located between the limiting disk 9 and the supporting platform 4.
Wherein, the connecting disc 8 is in threaded connection with the threaded column 15.
Wherein, the connecting disc 8 is positioned below the middle part of the limiting disc 9.
It should be noted that the utility model relates to a hammer device is prevented falling by jump bit for bored concrete pile, including layer board 1, gag lever post 2, clamp splice 3, brace table 4, crack 5, slide opening 6, slide bar 7, connection pad 8, spacing dish 9, connecting bolt 10, spacing plectane 11, rings 12, spring A13, spring B14, threaded column 15, fastening bolt 16, the part is the general standard component or the part that technical staff in the field knows, its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.
The working principle is as follows: the lifting rope of the pile driver is tied on the lifting ring 12, the lifting rope on the pile driver can lift the device through the lifting ring 12, in the process of lifting the device, the limiting disc 9 rises along the sliding rod 7 through the sliding hole 6, meanwhile, the limiting disc 9 compresses the spring A13, the spring A13 can effectively buffer sudden upward force received by the limiting disc 9, compared with the hammer head of the traditional pile driver, the device can effectively avoid the hammer head from being broken and dropped caused by impact of the suddenly rising traction force in the actual use process, in the descending process of the device, the bottom of the supporting plate 1 impacts a concrete pile, the concrete pile is inserted into a filling hole, in the moment that the supporting plate 1 is in contact with the concrete pile, the spring B14 can buffer the descending trend of the limiting disc 9, compared with the hammer head of the traditional pile driver, the device can effectively buffer the connection structure between the hammer head and the lifting rope of the pile driver in the actual use process The buffering of going, avoid connection structure to damage and lead to the tup to drop from the pile driver, pull down connecting bolt 10, unscrew connection pad 8 from threaded column 15 again, then just can take off threaded column 15 and rings 12 from this device top, for traditional pile driver and the connection structure between the sash weight, the connected mode of this device between in-process sash weight and pile driver of in-service use is simpler, and it is more convenient to connect.
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 evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. An impact hammer drop prevention device for a cast-in-situ bored pile is characterized by comprising a lifting ring (12), a threaded column (15), a limiting disc (9), a support table (4) and a supporting plate (1);
limiting rods (2) are symmetrically and vertically welded on the left side and the right side of the top of the supporting plate (1), and the tops of the two groups of limiting rods (2) penetrate through the middle of the clamping block (3);
the two groups of clamping blocks (3) are symmetrically welded with the middle parts of the left side and the right side of the supporting table (4), clamping seams (5) are symmetrically formed on the sides, away from each other, of the two groups of clamping blocks (3), the tops of the two groups of limiting rods (2) penetrate through the sides, close to each other, of the two groups of clamping seams (5), sliding rods (7) are perpendicularly welded to the top of the supporting table (4), and a limiting disc (9) is arranged on the top of the supporting table (4);
a sliding hole (6) vertically penetrates through the position between the edge of the top surface and the edge of the bottom surface of the limiting disc (9), the sliding rod (7) vertically penetrates through the middle of the sliding hole (6), a spring A (13) and a spring B (14) are wound on the outer wall of the sliding rod (7), a limiting circular plate (11) is welded at the top of the sliding rod (7), and a threaded column (15) vertically penetrates through the middle of the limiting disc (9);
the top of the threaded column (15) is vertically fixed and welded at the bottom of the lifting ring (12), the bottom of the threaded column (15) penetrates through the middle of the connecting disc (8), the connecting disc (8) is fixedly connected with the limiting disc (9) through a connecting bolt (10), and the connecting bolt (10) penetrates through the limiting disc (9) and the connecting disc (8).
2. The hammer drop preventing device for the impact hammer for the cast-in-situ bored pile according to claim 1, wherein: fastening bolts (16) penetrate through the ends, far away from each other, of the front side and the rear side of the two groups of clamping blocks (3), and the two groups of fastening bolts (16) penetrate through the two groups of sides, far away from each other, of the clamping gaps (5) respectively.
3. The hammer drop preventing device for the impact hammer for the cast-in-situ bored pile according to claim 1, wherein: the spring A (13) is positioned between the limiting disc (9) and the limiting circular plate (11), and the spring B (14) is positioned between the limiting disc (9) and the supporting table (4).
4. The hammer drop preventing device for the impact hammer for the cast-in-situ bored pile according to claim 1, wherein: the connecting disc (8) is in threaded connection with the threaded column (15).
5. The hammer drop preventing device for the impact hammer for the cast-in-situ bored pile according to claim 1, wherein: the connecting disc (8) is positioned below the middle part of the limiting disc (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921377337.9U CN211312516U (en) | 2019-08-23 | 2019-08-23 | Hammer drop preventing device of impact hammer for cast-in-situ bored pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921377337.9U CN211312516U (en) | 2019-08-23 | 2019-08-23 | Hammer drop preventing device of impact hammer for cast-in-situ bored pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211312516U true CN211312516U (en) | 2020-08-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921377337.9U Active CN211312516U (en) | 2019-08-23 | 2019-08-23 | Hammer drop preventing device of impact hammer for cast-in-situ bored pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211312516U (en) |
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2019
- 2019-08-23 CN CN201921377337.9U patent/CN211312516U/en active Active
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