CN221118474U - Screw-thread steel pile casing of mechanical bored pile under high backfill soil - Google Patents
Screw-thread steel pile casing of mechanical bored pile under high backfill soil Download PDFInfo
- Publication number
- CN221118474U CN221118474U CN202322504543.4U CN202322504543U CN221118474U CN 221118474 U CN221118474 U CN 221118474U CN 202322504543 U CN202322504543 U CN 202322504543U CN 221118474 U CN221118474 U CN 221118474U
- Authority
- CN
- China
- Prior art keywords
- steel casing
- steel
- casing main
- main body
- backfill soil
- 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.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 80
- 239000010959 steel Substances 0.000 title claims abstract description 80
- 239000002689 soil Substances 0.000 title claims abstract description 19
- 238000001125 extrusion Methods 0.000 claims abstract description 22
- 238000005553 drilling Methods 0.000 claims description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- 238000010276 construction Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 239000002002 slurry Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model provides a screw steel casing of a mechanical bored pile under high backfill soil, which comprises a steel casing main body, wherein a spiral steel plate is arranged on the outer wall of the steel casing main body, an orifice stiffening steel plate is arranged at one end of the steel casing main body, clamping teeth are arranged at two ends of the steel casing main body, and an auxiliary supporting structure is arranged on the inner side of the steel casing main body; according to the utility model, the fixed block is extruded through the four groups of extrusion blocks, the threaded rods, the threaded connecting blocks, the rotating disc and the connecting rods on the outer wall of the connecting seat, so that the function of supporting the inner wall of the steel casing main body is achieved, the threaded rods are driven to rotate through the rotating disc according to the size of the openings of the steel casing main body, the extrusion blocks are driven to extrude the fixed block at the inner sides of the limiting grooves under the action of threaded connection of the threaded rods and the threaded connecting blocks, and then the other three extrusion blocks are extruded towards the fixed block in the mode, so that the deformation of the openings of the steel casing main body is avoided.
Description
Technical Field
The utility model belongs to the field of buildings, and particularly relates to a screw steel casing of a mechanical bored pile under high backfill soil.
Background
The rotary drilling rig is a construction process suitable for pore-forming operation in building foundation engineering. The rotary drilling rig is widely used for foundation construction projects such as municipal construction, highway bridges, high-rise buildings and the like, is matched with different drilling tools, is suitable for dry (short spiral) or wet (rotary bucket) and rock stratum (core drill) pore-forming operation, and has the characteristics of high installed power, high output torque, high axial pressure, flexibility, high construction efficiency and multifunction. The rotary drilling rig is suitable for soil geological conditions of most areas in China, has wide application range, and can basically meet the use of projects such as bridge construction, high-rise building foundation and the like. At present, a rotary drilling rig is widely popularized in various bored pile projects. However, in China, the territory is wide, the stratum condition is complex, and the construction process of rotary drilling and pore-forming operation is generally adopted in the construction of foundation of municipal construction, highway bridges, high-rise buildings and the like. The rotary drilling rig is suitable for soil geological conditions in most areas of China, has a wide application range, and needs to be matched with a steel casing for construction operation when the rotary drilling rig is constructed under high backfill soil.
In the use process of the existing steel pile casing, as the inner side of the steel pile casing is of a hollow structure, the steel pile casing is used for a long time and under the continuous impact of slurry water pressure, deformation of the orifice of the steel pile casing can occur, so that the whole service life of the steel pile casing is influenced, and certain potential safety hazards can exist when the deformed steel pile casing at the orifice is used.
In summary, the present utility model provides a screw steel casing for mechanical bored piles under high backfill soil to solve the above problems.
Disclosure of utility model
The utility model aims to provide a screw steel casing of a mechanical bored pile under high backfill soil, which solves the problems that in the prior art, the inner side of the steel casing is of a hollow structure in the use process, so that the steel casing is used for a long time and under the continuous impact of slurry water pressure, the deformation of an orifice of the steel casing possibly occurs, the whole service life of the steel casing is influenced, and a certain potential safety hazard exists in the use process of the deformed steel casing at the orifice;
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a mechanical bored pile screw thread steel protects a section of thick bamboo under high backfill soil matter, includes the steel protects a section of thick bamboo main part, the outer wall of steel protects a section of thick bamboo main part is provided with the spiral steel sheet, the one end of steel protects a section of thick bamboo main part is provided with the drill way stiffening steel sheet, the both ends of steel protects a section of thick bamboo main part are provided with the latch, the inboard of steel protects a section of thick bamboo main part is provided with auxiliary support structure.
Preferably, the auxiliary supporting structure comprises a fixed block, a limit groove, a squeezing block, a threaded rod, a threaded connecting block, a rotating disc, a connecting rod and a connecting seat, wherein the fixed block is fixedly connected with the inner wall of the steel casing main body.
Preferably, the limiting groove is formed in one end of the fixing block, the extrusion block is arranged on the inner side of the limiting groove, the threaded rod is arranged on the inner side of the steel casing body, and the threaded connection block is in threaded connection with the outer wall of the threaded rod.
Preferably, the rotating disc is fixedly connected with one end of the threaded rod, the connecting rod is fixedly connected with the outer wall of the threaded connecting block, and the connecting seat is fixedly connected with one end of the connecting rod.
Preferably, the fixing blocks are four, and the four fixing blocks are distributed on the inner side of the steel casing main body in an equidistant annular mode.
Preferably, one end of the threaded rod and the extrusion block form a rotary connection structure through a bearing.
Preferably, the limiting groove and the extrusion block are arc-shaped.
Compared with the prior art, the utility model has the following beneficial effects:
According to the utility model, the fixed block is extruded through the four groups of extrusion blocks, the threaded rods, the threaded connecting blocks, the rotating disc and the connecting rods on the outer wall of the connecting seat, so that the function of supporting the inner wall of the steel casing main body is achieved, the threaded rods are driven to rotate through the rotating disc according to the size of the openings of the steel casing main body, the extrusion blocks are driven to extrude the fixed block at the inner sides of the limiting grooves under the action of threaded connection of the threaded rods and the threaded connecting blocks, and then the other three extrusion blocks are extruded towards the fixed block in the mode, so that the deformation of the openings of the steel casing main body is avoided.
Drawings
FIG. 1 is a schematic diagram of the front view of the present utility model;
FIG. 2 is a schematic perspective view of the present utility model;
FIG. 3 is a schematic top view of the present utility model;
Fig. 4 is an enlarged schematic view of the present utility model a.
In the figure:
1. A steel casing body; 2. a spiral steel plate; 3. an orifice stiffening steel plate; 4. latch teeth; 5. an auxiliary support structure; 51. a fixed block; 52. a limit groove; 53. extruding a block; 54. a threaded rod; 55. a threaded connecting block; 56. a rotating disc; 57. a connecting rod; 58. and a connecting seat.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
As shown in fig. 1-4, the utility model provides a screw steel casing of a mechanical bored pile under high backfill soil, which comprises a steel casing main body 1, wherein a spiral steel plate 2 is arranged on the outer wall of the steel casing main body 1, an orifice stiffening steel plate 3 is arranged at one end of the steel casing main body 1, clamping teeth 4 are arranged at two ends of the steel casing main body 1, and an auxiliary supporting structure 5 is arranged on the inner side of the steel casing main body 1.
Referring to fig. 1, the auxiliary supporting structure 5 includes a fixing block 51, a limiting groove 52, an extrusion block 53, a threaded rod 54, a threaded connection block 55, a rotating disc 56, a connection rod 57 and a connection seat 58, wherein the fixing block 51 is fixedly connected with the inner wall of the steel casing body 1, and the extrusion block 53, the threaded rod 54, the threaded connection block 55, the rotating disc 56 and the connection rod 57 are four groups.
Referring to fig. 1, a limiting groove 52 is formed at one end of a fixed block 51, an extruding block 53 is disposed at the inner side of the limiting groove 52, a threaded rod 54 is disposed at the inner side of the steel casing body 1, and a threaded connection block 55 is in threaded connection with the outer wall of the threaded rod 54.
Referring to fig. 1, a rotating disc 56 is fixedly connected with one end of a threaded rod 54, a connecting rod 57 is fixedly connected with the outer wall of a threaded connecting block 55, and a connecting seat 58 is fixedly connected with one end of the connecting rod 57.
Referring to fig. 1, four fixing blocks 51 are provided, the four fixing blocks 51 are distributed on the inner side of the steel casing main body 1 in an equidistant annular manner, one end of a threaded rod 54 forms a rotating connection structure with an extrusion block 53 through a bearing, the limiting groove 52 and the extrusion block 53 are arc-shaped, the fixing blocks 51 are extruded through four groups of extrusion blocks 53, the threaded rod 54, a threaded connection block 55, a rotating disc 56 and a connecting rod 57 on the outer wall of a connecting seat 58, so that the inner wall of the steel casing main body 1 is supported, and the threaded rod 54 is driven to rotate through the rotating disc 56 according to the size between the orifices of the steel casing main body 1, so that the threaded rod 54 is driven to extrude the fixing blocks 51 on the inner side of the limiting groove 52 under the action of the threaded connection of the threaded rod 54 and the threaded connection block 55, and then the other three extrusion blocks 53 are extruded to the fixing blocks 51 through the above mode, so that the orifice deformation of the steel casing main body 1 is avoided.
The specific working principle is as follows: as shown in fig. 1 to 4, when the mechanical bored pile screw steel pile casing under high backfill soil is used, first, four groups of extrusion blocks 53, threaded rods 54, screw connection blocks 55, rotating discs 56 and connecting rods 57 on the outer wall of the connecting seat 58 extrude the fixed blocks 51, so that the inner wall of the steel casing main body 1 is supported, and according to the size between the orifices of the steel casing main body 1, the rotating discs 56 drive the threaded rods 54 to rotate, so that the threaded rods 54 and the screw connection blocks 55 are in screw connection, the extrusion blocks 53 are driven to extrude the fixed blocks 51 on the inner side of the limiting grooves 52, and then the other three extrusion blocks 53 extrude the fixed blocks 51 in the mode, so that deformation of the orifices of the steel casing main body 1 is avoided.
The embodiments of the present utility model have been shown and described for the purpose of illustration and description, it being understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made therein by one of ordinary skill in the art without departing from the scope of the utility model.
Claims (7)
1. The utility model provides a mechanical drilling bored concrete pile screw thread steel protects a section of thick bamboo under high backfill soil matter, includes steel protection a section of thick bamboo main part (1), its characterized in that: the outer wall of steel pile casing main part (1) is provided with spiral steel sheet (2), the one end of steel pile casing main part (1) is provided with drill way stiffening steel sheet (3), the both ends of steel pile casing main part (1) are provided with latch (4), the inboard of steel pile casing main part (1) is provided with auxiliary support structure (5).
2. The high backfill soil lower mechanical bored pile screw thread steel casing of claim 1, wherein: the auxiliary supporting structure (5) comprises a fixed block (51), a limiting groove (52), an extrusion block (53), a threaded rod (54), a threaded connection block (55), a rotating disc (56), a connecting rod (57) and a connecting seat (58), and the fixed block (51) is fixedly connected with the inner wall of the steel casing main body (1).
3. A high backfill soil lower mechanical bored pile screw thread steel casing as set forth in claim 2, wherein: the limiting groove (52) is formed in one end of the fixed block (51), the extrusion block (53) is arranged on the inner side of the limiting groove (52), the threaded rod (54) is arranged on the inner side of the steel casing main body (1), and the threaded connection block (55) is in threaded connection with the outer wall of the threaded rod (54).
4. A high backfill soil lower mechanical bored pile screw thread steel casing as set forth in claim 2, wherein: the rotating disc (56) is fixedly connected with one end of the threaded rod (54), the connecting rod (57) is fixedly connected with the outer wall of the threaded connecting block (55), and the connecting seat (58) is fixedly connected with one end of the connecting rod (57).
5. A high backfill soil lower mechanical bored pile screw thread steel casing as set forth in claim 2, wherein: four fixing blocks (51) are arranged, and the four fixing blocks (51) are distributed on the inner side of the steel casing main body (1) in an equidistant annular mode.
6. A high backfill soil lower mechanical bored pile screw thread steel casing as set forth in claim 2, wherein: one end of the threaded rod (54) and the extrusion block (53) form a rotary connection structure through a bearing.
7. A high backfill soil lower mechanical bored pile screw thread steel casing as set forth in claim 2, wherein: the limiting groove (52) and the extrusion block (53) are arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322504543.4U CN221118474U (en) | 2023-09-15 | 2023-09-15 | Screw-thread steel pile casing of mechanical bored pile under high backfill soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322504543.4U CN221118474U (en) | 2023-09-15 | 2023-09-15 | Screw-thread steel pile casing of mechanical bored pile under high backfill soil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221118474U true CN221118474U (en) | 2024-06-11 |
Family
ID=91338040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322504543.4U Active CN221118474U (en) | 2023-09-15 | 2023-09-15 | Screw-thread steel pile casing of mechanical bored pile under high backfill soil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221118474U (en) |
-
2023
- 2023-09-15 CN CN202322504543.4U patent/CN221118474U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203594367U (en) | Spiral half soil squeezing and dumping drilling tool | |
| CN102182180B (en) | Rotary extrusion sleeve anchor rod and construction method thereof | |
| CN221118474U (en) | Screw-thread steel pile casing of mechanical bored pile under high backfill soil | |
| CN209144799U (en) | Reaming slip casting screw pile and pile foundation | |
| CN216551933U (en) | Guide hole type static pile press with press-filling function | |
| CN213978945U (en) | Novel building engineering foundation ditch side slope support is from boring formula stock | |
| CN115613559A (en) | Telescopic steel spiral pile and construction method | |
| CN214169047U (en) | High-pressure jet grouting stiffening anchor pile for construction engineering | |
| CN210105746U (en) | Thread fit type composite drilling tool and profile pile | |
| CN212223846U (en) | Self-expansion fixing pile | |
| CN217129422U (en) | Rotary drilling rig power head convenient to mount and dismount | |
| CN220036634U (en) | Dig drill bit well word frame connection structure soon | |
| CN111520078A (en) | Mechanical enlarged head drilling device for anchor cable hole expanding section | |
| CN220977963U (en) | Foundation pile for building engineering | |
| CN212613091U (en) | Precast concrete wall body slip casting grout outlet plugging device | |
| CN114032884B (en) | Stable high-bearing recyclable twisted thread expanded steel pile | |
| CN219080294U (en) | Telescopic steel screw pile | |
| CN215108796U (en) | Spiral drill rod and drilling machine | |
| CN213683217U (en) | Can dismantle syllogic stagnant water split screw | |
| CN219344296U (en) | Baffle for foundation pit construction | |
| CN217870442U (en) | Rotary drilling type steel pipe pile | |
| CN219864871U (en) | Bidirectional spiral extrusion-expansion drill bit | |
| CN217439170U (en) | Assembled movable house for delicately building smooth wall surface | |
| LU505248B1 (en) | Blade screw pile and screw pile driving system | |
| CN111519640B (en) | Anchor rod supporting structure for reinforcing railway embankment side slope and construction method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |