Drilling pile steel casing
By designing a flexible connection mechanism and sealing structure on the drilled pile steel casing, the problem of easy damage to exposed bolts is solved, stable connection and convenient disassembly are achieved, and construction safety and sealing are improved.
Patent Information
- Application Number
- CN202323621574.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-28
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2033-12-28
AI Technical Summary
The exposed bolts when buried underground are susceptible to erosion damage, affecting the stability of the connection and inconvenient for later disassembly.
A drilled pile steel casing is designed. By setting three equally distributed connection mechanisms on the outer wall of the cylinder, including mounting seats, connecting seats, trapezoidal blocks, screws, worm gears and worms, the trapezoidal blocks and screws are used. The sliding and rotating fit enables flexible assembly and disassembly of the cylinder through the synchronous rotation of the worm gear and the worm, and improves sealing through the sealing ring.
It effectively protects the screw from easy to damage, improves the stability and sealing of the cylinder connection, facilitates the assembly and disassembly of the cylinder, and reduces construction risks and costs.
Smart Images
Figure CN222206321U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of construction equipment, and in particular to a bored pile steel casing. Background Art
[0002] In the field of housing construction and municipal construction, the construction scope of bored piles is getting wider and wider. When constructing bored piles in karst areas, caves are often encountered. Due to the complex underground environment, it is difficult to find out the location, size and direction of the caves. There is a risk of cave collapse, which often causes great difficulty in construction, increases the danger of construction and cost loss.
[0003] After searching, the Chinese patent publication number CN209368815U discloses a steel casing for a cast-in-place pile, which is assembled into a steel casing by arranging a first fixing block and a second fixing block on the barrel, screwing the first fixing block and the second fixing block together with bolts to connect the barrels together, and assembling the steel casing by connecting multiple barrels, which is convenient for installation and transportation, and can prevent the barrel-shaped steel casing from being too long and causing inconvenience in transportation. At the same time, a plurality of first spring pieces abutting against each other are arranged in the first groove, and a plurality of second spring pieces abutting against each other are arranged in the second groove. When the steel casing is vibrated by external force, the first spring piece and the second spring piece have a certain buffering effect, thereby reducing damage to the steel casing.
[0004] The above patent has the following shortcomings: in the above patent, the steel casing of the cast-in-place pile is connected by bolts between the fixed blocks, but the casing is buried underground when in use, and the exposed bolts will be corroded and easily damaged, thereby affecting the stability of the connection between the casings, and it is inconvenient to disassemble the casing later. Utility Model Content
[0005] In order to improve the problem that exposed bolts connecting cylinders are easily damaged by corrosion, the present application provides a bored pile steel casing.
[0006] The present application provides a bored pile steel casing, comprising a cylinder body, wherein the outer wall of the cylinder body is provided with three equidistantly distributed connection mechanisms, the outer wall of the cylinder body is fixedly connected with three equidistantly distributed clamping seats, the connection mechanism comprises a mounting seat, and the mounting seat is fixedly connected to the outer wall of the cylinder body, the outer wall at the bottom of the mounting seat is fixedly connected with a connecting seat, both sides of the outer walls of the connecting seat are provided with openings, and the inner walls of the two openings are slidably connected with trapezoidal blocks, the inner wall of the connecting seat is fixedly connected with a mounting frame, and both sides of the outer walls of the mounting frame are rotatably connected with screws, threaded holes are provided on the outer walls of the two trapezoidal blocks on the opposite sides, and the two screws are respectively screwed on the inner walls of the two threaded holes, a clamping groove is provided on the top outer wall of the clamping seat, and both sides of the inner walls of the clamping groove are provided with trapezoidal grooves.
[0007] By adopting the above structure, the two cylinders can be conveniently connected and assembled through the cooperation between the connecting mechanism on the cylinder and the clamping seat. When the screw in the connecting mechanism rotates, it is convenient to directly drive the two trapezoidal blocks to move toward or away from each other. When the trapezoidal block is extended, it is inserted into the trapezoidal groove in the clamping groove, thereby facilitating the assembly and connection of the cylinder.
[0008] The inner walls on both sides of the installation frame are rotatably connected with a same worm gear, and the two ends of the worm gear transmission shaft are respectively fixedly connected to two screw rods.
[0009] With the above structure, the two screws can be conveniently connected through the setting of the worm gear, thereby facilitating the synchronous rotation of the two screws.
[0010] The inner walls on both sides of the installation frame are rotatably connected with a worm, and the worm and the worm wheel are meshed with each other.
[0011] With the above structure, the worm can be rotated to drive the worm wheel to rotate, and the rotation of the worm wheel can directly drive the two screws to rotate.
[0012] The outer wall at the top of the mounting seat is rotatably connected with a rotating column, and one end of a transmission shaft of the rotating column is fixedly connected to the worm.
[0013] With the above structure, the worm can be directly driven to rotate by the setting of the rotating column.
[0014] The outer wall at the bottom of the connecting seat is provided with a groove, and the inner wall of the groove is slidably connected with a pressing seat.
[0015] With the above structure, the pressing seat is arranged to facilitate sliding in the groove.
[0016] A plurality of springs are fixedly connected to the inner wall of the top of the groove, and one end of the spring is fixedly connected to the pressing seat.
[0017] With the above structure, the spring is provided to facilitate the direct pushing of the pressing seat into the clamping groove.
[0018] An annular groove is provided on the outer wall of the top of the cylinder, and a sealing ring is fixedly connected to the inner wall of the annular groove.
[0019] With the above structure, the sealing performance between the cylinders is improved by setting the sealing ring.
[0020] The specifications of the trapezoidal groove match those of the trapezoidal block, and the rotating column is a prism structure.
[0021] With the above structure, the rotating column of the prismatic structure can be used to drive the worm to rotate conveniently through an electric wrench, thereby facilitating direct adjustment of the positions of the two trapezoidal blocks.
[0022] In summary, the beneficial effects of this application are as follows:
[0023] 1. The present application arranges a connecting mechanism and a clamping seat on the outer wall of the protective cylinder, and two adjustable trapezoidal blocks in the connecting mechanism. When the trapezoidal blocks are extended, they are directly inserted into the trapezoidal grooves in the clamping grooves, thereby facilitating the connection of the two protective cylinders. At the same time, the connecting seat in the connecting mechanism protects the trapezoidal blocks and the screw to prevent the screw from being exposed and easily damaged by looking down.
[0024] 2. The present application arranges a sealing ring on the cylinder, which facilitates improving the seal between the cylinders. The arrangement of a rotating column on the mounting seat facilitates driving the screw to rotate by an electric tool, thereby facilitating direct and rapid adjustment of the two trapezoidal blocks. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 It is a schematic diagram of the entire application;
[0026] Figure 2 It is a three-dimensional schematic diagram of this application;
[0027] Figure 3 It is a schematic diagram of the connection mechanism of this application;
[0028] Figure 4 It is a cross-sectional schematic diagram of the connection seat of this application.
[0029] Explanation of the reference numerals: 1. Cylinder; 2. Connecting mechanism; 3. Snap-fit seat; 4. Snap-fit groove; 5. Trapezoidal groove; 6. Sealing ring; 7. Mounting seat; 8. Rotating column; 9. Connecting seat; 10. Trapezoidal block; 11. Mounting frame; 12. Worm; 13. Worm wheel; 14. Screw; 15. Groove; 16. Pressing seat; 17. Spring. DETAILED DESCRIPTION
[0030] The following is combined with Figure 1-4 This application is described in further detail.
[0031] See also Figure 1-3 A bored pile steel casing comprises a cylinder 1, the outer wall of the cylinder 1 is provided with three equidistantly distributed connecting mechanisms 2, the outer wall of the cylinder 1 is fixedly connected with three equidistantly distributed clamping seats 3, the connecting mechanism 2 comprises a mounting seat 7, and the mounting seat 7 is fixedly connected to the outer wall of the cylinder 1, the outer wall of the bottom of the mounting seat 7 is fixedly connected with a connecting seat 9, both sides of the outer walls of the connecting seat 9 are provided with openings, and the inner walls of the two openings are slidably connected with trapezoidal blocks 10, the inner wall of the connecting seat 9 is fixedly connected with a mounting frame 11, and both sides of the outer walls of the mounting frame 11 are rotatably connected with screws 14, the outer walls of the opposite sides of the two trapezoidal blocks 10 are provided with threaded holes, and the two screws 14 are respectively screwed on the inner walls of the two threaded holes, the top outer wall of the clamping seat 3 is provided with a clamping groove 4, and both sides of the inner walls of the clamping groove 4 are provided with trapezoidal grooves 5.
[0032] When in use, the two cylinders 1 can be conveniently connected and assembled through the cooperation between the connecting mechanism 2 and the clamping seat 3 on the cylinder 1. When the screw 14 in the connecting mechanism 2 rotates, it is convenient to directly drive the two trapezoidal blocks 10 to move toward or away from each other. When the trapezoidal block 10 is extended, it is inserted into the trapezoidal groove 5 in the clamping groove 4, thereby facilitating the assembly and connection of the cylinder 1.
[0033] Reference Figure 4 The inner walls on both sides of the mounting frame 11 are rotatably connected with a worm gear 13, and the two ends of the worm gear 13 transmission shaft are respectively fixedly connected to two screw rods 14. The setting of the worm gear 13 facilitates the connection of the two screw rods 14, thereby facilitating the synchronous rotation of the two screw rods 14.
[0034] Reference Figure 4 The inner walls on both sides of the mounting frame 11 are rotatably connected with a worm 12, and the worm 12 and the worm wheel 13 are meshed with each other. The worm 12 is arranged so that the worm 12 can rotate to drive the worm wheel 13 to rotate. When the worm wheel 13 rotates, it is convenient to directly drive the two screws 14 to rotate.
[0035] Reference Figure 3 The outer wall of the top of the mounting seat 7 is rotatably connected with a rotating column 8, and one end of the transmission shaft of the rotating column 8 is fixedly connected to the worm 12. The setting of the rotating column 8 facilitates the direct rotation of the worm 12.
[0036] Reference Figure 4 A groove 15 is provided on the outer wall of the bottom of the connecting seat 9 , and a pressing seat 16 is slidably connected to the inner wall of the groove 15 , so that the pressing seat 16 is convenient for sliding in the groove 15 .
[0037] Reference Figure 4 A plurality of springs 17 are fixedly connected to the inner wall at the top of the groove 15 , and one end of the spring 17 is fixedly connected to the pressing seat 16 . The setting of the spring 17 facilitates directly pushing the pressing seat 16 to be pressed in the clamping groove 4 .
[0038] Reference Figure 2 An annular groove is provided on the outer wall of the top of the cylinder 1, and a sealing ring 6 is fixedly connected to the inner wall of the annular groove. The sealing performance between the cylinder 1 is improved by the setting of the sealing ring 6.
[0039] Reference Figure 3-4 The specifications of the trapezoidal groove 5 match those of the trapezoidal block 10 , and the rotating column 8 is a prismatic structure. The rotating column 8 with a prismatic structure facilitates the rotation of the worm 12 through an electric wrench, thereby facilitating direct adjustment of the positions of the two trapezoidal blocks 10 .
[0040] The implementation principle of the present application is as follows: during use, when the two cylinders 1 need to be assembled, first insert the connecting seat 9 in the connecting mechanism 2 into the clamping groove 4 in the clamping seat 3, and press the two spliced cylinders 1 at the same time, so that the clamping seat 16 compresses the spring 17, and then drive the rotating column 8 to rotate through an electric tool. When the rotating column 8 rotates, it directly drives the worm 12 to rotate, and when the worm 12 rotates, it directly drives the worm wheel 13 to rotate. When the worm wheel 13 rotates, it directly drives the two screws 14 to rotate. When the screw 14 rotates, it is convenient to drive the trapezoidal block 10 to move. When the trapezoidal block 10 is extended, it is directly inserted into the trapezoidal groove 5, thereby ensuring the assembly connection of the two cylinders 1.
[0041] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. A bored pile steel casing, comprising a casing (1), Features: The outer wall of the cylinder (1) is provided with three connection mechanisms (2) distributed at equal distances. The outer wall of the cylinder (1) is fixedly connected to three clamping seats (3) distributed at equal distances. The connection mechanism (2) comprises a mounting seat (7), and the mounting seat (7) is fixedly connected to the outer wall of the cylinder (1). The bottom outer wall of the mounting seat (7) is fixedly connected to a connection seat (9). Both sides of the outer wall of the connection seat (9) are provided with openings, and the inner walls of the two openings are slidably connected to trapezoidal blocks (10). The inner wall of the connection seat (9) is fixedly connected to a mounting frame (11), and both sides of the outer walls of the mounting frame (11) are rotatably connected to screw rods (14). The outer walls of the two trapezoidal blocks (10) on the opposite sides are provided with threaded holes, and the two screw rods (14) are respectively screwed on the inner walls of the two threaded holes. The top outer wall of the clamping seat (3) is provided with a clamping groove (4), and both sides of the inner walls of the clamping groove (4) are provided with trapezoidal grooves (5).
2. A bored pile steel casing according to claim 1, Features: The inner walls on both sides of the installation frame (11) are rotatably connected to a same worm gear (13), and the two ends of the transmission shaft of the worm gear (13) are respectively fixedly connected to two screw rods (14).
3. A bored pile steel casing according to claim 2, Features: The inner walls on both sides of the installation frame (11) are rotatably connected to a worm (12), and the worm (12) and the worm wheel (13) are meshed with each other.
4. A bored pile steel casing according to claim 3, Features: The top outer wall of the mounting seat (7) is rotatably connected to a rotating column (8), and one end of a transmission shaft of the rotating column (8) is fixedly connected to the worm (12).
5. A bored pile steel casing according to claim 4, Features: The outer wall at the bottom of the connecting seat (9) is provided with a groove (15), and the inner wall of the groove (15) is slidably connected to a pressing seat (16).
6. A bored pile steel casing according to claim 5, Features: A plurality of springs (17) are fixedly connected to the inner wall at the top of the groove (15), and one end of the spring (17) is fixedly connected to the pressing seat (16).
7. A bored pile steel casing according to claim 6, Features: An annular groove is provided on the outer wall of the top of the cylinder (1), and a sealing ring (6) is fixedly connected to the inner wall of the annular groove.
8. A bored pile steel casing according to claim 6, Features: The specifications of the trapezoidal groove (5) match those of the trapezoidal block (10), and the rotating column (8) is a prism structure.