Leakage-proof sleeve for end-plate-free pile

Abstract

The utility model relates to the technical field of anti-leakage sleeves, and discloses an end-plate-free pile anti-leakage sleeve which comprises an end-plate-free pile, a sealing plate detachably installed at one end of the end-plate-free pile, a plurality of anti-leakage sleeve bodies, a plurality of anti-leakage sleeve bodies fixedly connected with one end of the end-plate-free pile in an annular mode, and a plurality of anti-leakage sleeve bodies detachably installed at the other end of the end-plate-free pile. A plurality of fastening bolts are detachably installed at one end of the sealing plate in an annular distribution mode, threaded grooves matched with the fastening bolts are formed in the inner walls of the multiple leakage-proof sleeves correspondingly, the alignment pieces are arranged in inner cavities of the leakage-proof sleeves, the installation positions of the fastening bolts can be calibrated through the alignment pieces, and the alignment pieces are arranged in the inner cavities of the leakage-proof sleeves correspondingly. The central axis of the fastening bolt coincides with the central axis of the leakage-proof sleeve. According to the utility model, the mounting position of the fastening bolt can be calibrated through the alignment piece, so that the situation that slurry or underground water enters the inner cavity of the end-plate-free pile through the joint of the sealing plate and the end-plate-free pile to cause holes or honeycombs in the poured concrete is prevented, and the bearing capacity of the end-plate-free pile meets the expected standard; and the influence on the construction progress of the project is avoided.

Description

Technical Field

[0001] This utility model relates to the field of anti-leakage sleeve technology, and in particular to an anti-leakage sleeve for endless sheet piles. Background Technology

[0002] Endless sheet piles typically refer to pile structures without end reinforcement plates (end plates) at the ends of the pile body, and are mostly used in specific engineering scenarios.

[0003] In pile foundation engineering, the anti-leakage sleeve for endless sheet piles is mainly used to solve problems such as leakage, soil loss or concrete leakage that may occur during the construction or use of endless sheet piles. Its core function is to seal the gaps at the pile ends or around the pile to ensure structural integrity and construction quality.

[0004] Currently, during the driving or concrete pouring of sheet piles without ends, it is necessary to use leak-proof sleeves to seal the bottom of the sheet piles to prevent mud, groundwater, or soil from entering the pile. The specific sealing steps are as follows: Before driving or pouring concrete, a sealing plate is first installed at the bottom of the sheet pile. A bolt is inserted into the inner wall of the through hole at one end of the sealing plate, and then the bolt is inserted into the leak-proof sleeve. The bolt is then continuously rotated until the large end of the bolt is in close contact with the sealing plate. This process is repeated, and multiple bolts are installed into multiple leak-proof sleeves in sequence to achieve the connection and fixation between the sealing plate and the bottom of the sheet pile. However, in the existing technology, the small end of the bolt is... When inserting the anti-leakage sleeve, it is always done manually, which can easily lead to an angular deviation (even a small one) between the centerline of the anti-leakage sleeve and the bolt insertion direction. When the bolt tip contacts the edge of the hole, it tilts due to lateral separation, resulting in different areas of the sealing plate being subjected to different compressive forces from the bolt. This causes uneven pressure on the sealing gasket, allowing mud, groundwater, or soil to pass through the space between the sealing gasket and the sealing plate and enter the endless sheet pile. This reduces the strength of the concrete poured inside the endless sheet pile and may even form defects such as honeycomb or voids, resulting in the endless sheet pile failing to meet the bearing capacity standards and affecting the construction progress of the project. Utility Model Content

[0005] To overcome the above deficiencies, this utility model provides an endless sheet pile anti-leakage sleeve, which aims to improve the problems in the prior art.

[0006] To achieve the above objectives, this utility model adopts the following technical solution: a leak-proof sleeve for endless sheet piles, comprising:

[0007] Endless sheet pile, with a sealing plate detachably installed at one end;

[0008] Multiple leak-proof sleeves are fixedly connected at one end to one end of the endless sheet pile, and the multiple leak-proof sleeves are arranged in a ring. One end of the sealing plate is arranged in a ring and can be detachably installed with multiple fastening bolts. The inner wall of the multiple leak-proof sleeves is provided with threaded grooves that are compatible with the fastening bolts.

[0009] The alignment component is installed inside the leak-proof sleeve. The alignment component can be used to calibrate the installation position of the fastening bolt, so that the central axis of the fastening bolt coincides with the central axis of the leak-proof sleeve.

[0010] As a further description of the above technical solution:

[0011] One end of the sealing plate has multiple through holes arranged in a ring, and multiple fastening bolts can be detachably installed in the inner cavity of the multiple through holes.

[0012] As a further description of the above technical solution:

[0013] The open end of the leak-proof sleeve is flush with one end of the endless sheet pile. A sealing ring is fixedly installed at one end of the endless sheet pile. The sealing ring has multiple through holes that are compatible with the leak-proof sleeve, distributed in a ring shape at one end.

[0014] As a further description of the above technical solution:

[0015] The alignment component includes an alignment plate and a top plate. Multiple alignment plates are fixedly installed in a ring on the inner wall of the leak-proof sleeve. All alignment plates are configured as L-shaped structures, and one end of each alignment plate points to the bottom of the inner cavity of the leak-proof sleeve. A top plate is fixedly installed on the side of each alignment plate near the central axis of the leak-proof sleeve. The end of the top plate away from the alignment plate is inclined towards the opening end of the leak-proof sleeve.

[0016] As a further description of the above technical solution:

[0017] A calibration column is fixedly installed on the inner wall of the leak-proof sleeve away from the opening. The small end of the fastening bolt has a receiving groove that matches the calibration column. Multiple elastic plates are fixedly installed in a ring on the outer wall of the calibration column, and all the elastic plates are inclined.

[0018] As a further description of the above technical solution:

[0019] The receiving groove is designed as a T-shaped structure, and the small end of the receiving groove and the small end of the fastening bolt are connected to each other.

[0020] This utility model has the following beneficial effects:

[0021] In this invention, the alignment component can be used to calibrate the installation position of the fastening bolts, ensuring that the central axis of the fastening bolts coincides with the central axis of the leak-proof sleeve. This prevents gaps between the sealing ring and the sealing plate, as well as between the sheet pile and the endless sheet pile, thus preventing mud or groundwater from entering the inner cavity of the endless sheet pile through the connection between the sealing plate and the endless sheet pile, which could lead to voids or honeycombing in the poured concrete. This ensures that the bearing capacity of the endless sheet pile meets the expected standards and avoids affecting the construction progress of the project. Attached Figure Description

[0022] Figure 1 This is a perspective view of the present utility model;

[0023] Figure 2 This is an assembly drawing of the endless sheet pile and sealing plate of this utility model;

[0024] Figure 3 This is an assembly drawing of the leak-proof sleeve and sealing plate of this utility model;

[0025] Figure 4 This is a perspective view of the leak-proof sleeve of this utility model;

[0026] Figure 5 This is a cross-sectional view of the fastening bolt of this utility model;

[0027] Figure 6 This is an assembly drawing of the fastening bolts and calibration column of this utility model;

[0028] Figure 7 This utility model Figure 6 Enlarged view of the structure at point A in the middle.

[0029] Legend:

[0030] 1. Endless sheet pile; 2. Sealing plate; 3. Fastening bolt; 4. Sealing ring; 5. Leak-proof sleeve; 6. Top plate; 7. Alignment plate; 8. Receiving groove; 9. Elastic plate; 10. Calibration column. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] Reference Figure 1-7 One embodiment of this utility model is a leak-proof sleeve for endless sheet piles, comprising:

[0033] Endless sheet piles 1 are used for foundation pit construction to provide support for the bottom of buildings such as bridges, preventing the bridges and other buildings from sinking or collapsing during use, and improving the stability and strength of the buildings (this is existing technology and will not be elaborated on here).

[0034] Multiple leak-proof sleeves 5 are fixedly connected at one end to one end of the endless sheet pile 1. The multiple leak-proof sleeves 5 are arranged in a ring, and a sealing plate 2 is detachably installed at one end. Multiple through holes are opened at one end of the sealing plate 2 in a ring arrangement. Multiple fastening bolts 3 are detachably installed in the cavities of the multiple through holes. The inner walls of the multiple leak-proof sleeves 5 are all provided with threaded grooves that match the fastening bolts 3. Before driving the endless sheet pile 1 or pouring concrete, one end of the sealing plate 2 is connected to one end of the endless sheet pile 1. When connecting the two, first align the central axis of the open ends of the multiple through holes with... The central axes of the open ends of multiple leak-proof sleeves 5 coincide with each other. Then, fastening bolts 3 are inserted into the inner cavities of multiple through holes until the small end of the fastening bolt 3 penetrates the through hole and extends into the inner cavity of the thread groove. Then, the large end of the fastening bolt 3 is continuously rotated. At this time, the sealing plate 2 is pushed by the large end of the fastening bolt 3 and fits against the open end of the leak-proof sleeve 5. At the same time, the large end of the fastening bolt 3 fits against one end of the sealing plate 2, which can limit the sealing plate 2 and connect the sealing plate 2 to one end of the fastening bolt 3 (this is the prior art and will not be described in detail here).

[0035] The open end of the anti-leakage sleeve 5 is flush with one end of the endless sheet pile 1. A sealing ring 4 is fixedly installed at one end of the endless sheet pile 1. The sealing ring 4 has multiple through holes that are compatible with the anti-leakage sleeve 5 in a ring shape at one end. Under the pressure of the fastening bolt 3, the sealing plate 2 will continuously move closer to the endless sheet pile 1 until one end of the sealing plate 2 is in contact with it. Under the continuous pressure of the fastening bolt 3 on the sealing plate 2, the sealing ring 4 is continuously compressed until the small end of the fastening bolt 3 is in contact with the inner wall of the thread groove away from its own open end. At this time, the compression of the sealing ring 4 is at its maximum value, thus sealing the connection between the sealing plate 2 and one end of the endless sheet pile 1. This prevents mud or groundwater from entering the inner cavity of the endless sheet pile 1 through the connection between the sealing plate 2 and the endless sheet pile 1 when concrete is poured inside the endless sheet pile 1.

[0036] The sealing ring 4 is made of rubber material, which gives it good plastic deformation ability, preventing it from breaking or being damaged when squeezed, and extending its service life.

[0037] Based on the applicant's understanding of the prior art, in the prior art, when the small end of the fastening bolt 3 is inserted into the threaded groove inside the leak-proof sleeve 5, it is always inserted manually. This can easily lead to an angular deviation between the centerline of the leak-proof sleeve 5 and the insertion direction of the fastening bolt 3. When the tip of the fastening bolt 3 contacts the edge of the hole, it tilts due to lateral separation, resulting in different areas of the sealing plate 2 being subjected to different compressive forces from the fastening bolt 3. This causes uneven pressure on the sealing ring 4, making it easy for gaps to exist between the sealing ring 4, the sealing plate 2, and the endless sheet pile 1. Mud or groundwater can easily enter the interior of the endless sheet pile 1 through the gaps, leading to a decrease in the strength of the concrete poured inside the endless sheet pile 1, or even the formation of defects such as honeycomb or holes. This results in the endless sheet pile 1 failing to meet the bearing capacity standards, affecting the construction progress of the project.

[0038] The alignment components include alignment plates 7 and top plates 6. Multiple alignment plates 7 are fixedly installed in a ring-shaped arrangement on the inner wall of the leak-proof sleeve 5. Each alignment plate 7 has an L-shaped structure, with one end pointing towards the bottom of the inner cavity of the leak-proof sleeve 5. A top plate 6 is fixedly installed on the side of each alignment plate 7 closest to the central axis of the leak-proof sleeve 5. The end of the top plate 6 away from the alignment plates 7 is inclined towards the opening end of the leak-proof sleeve 5. Before the small end of the fastening bolt 3 is inserted into the threaded groove, it first contacts the inclined sidewall of the multiple top plates 6. As the fastening bolt 3 moves continuously, the small end of the fastening bolt 3 moves along the inclined sidewall of the top plate 6, applying pressure to the inclined sidewall of the top plate 6, causing the multiple alignment plates 7 to deform simultaneously until the multiple top plates 6 move away from the alignment plates. One end of plate 7 contacts the outer wall of the fastening bolt 3, and multiple top plates 6 simultaneously apply pressure to the outer wall of the fastening bolt 3. If the fastening bolt 3 deviates slightly during movement, the multiple top plates 6 will correct the fastening bolt 3, ensuring that the central axis of the fastening bolt 3 always coincides with the central axis of the leak-proof sleeve 5. This prevents the fastening bolt 3 from tilting when positioning the sealing plate 2, which would cause uneven force on the sealing ring 4. It also prevents gaps between the sealing ring 4, the sealing plate 2, and the endless sheet pile 1, preventing mud or groundwater from entering the inner cavity of the endless sheet pile 1 through the connection between the sealing plate 2 and the endless sheet pile 1, which would cause holes or honeycomb in the poured concrete. This ensures that the bearing capacity of the endless sheet pile 1 meets the expected standards and avoids affecting the construction progress of the project.

[0039] The alignment plate 7 is made of stainless steel spring sheet, which enables the alignment plate 7 to have good plastic deformation ability. When the fastening bolt 3 is inserted into the threaded groove and comes into contact with one end of the top plate 6, the alignment plate 7 undergoes elastic deformation and applies strong pressure to the outer wall of the fastening bolt 3, thereby correcting the installation position of the fastening bolt 3.

[0040] A calibration column 10 is fixedly installed on the inner wall of the leak-proof sleeve 5 away from the opening end. The small end of the fastening bolt 3 has a receiving groove 8 that matches the calibration column 10. Multiple elastic plates 9 are fixedly installed in a ring on the outer wall of the calibration column 10. The multiple elastic plates 9 are all inclined. Before the small end of the fastening bolt 3 is inserted into the threaded groove, the end of the calibration column 10 near the opening end of the leak-proof sleeve 5 enters the inner cavity of the receiving groove 8. As the insertion end of the fastening bolt 3 moves continuously, the outer walls of the multiple elastic plates 9 fit against the inner wall of the receiving groove 8 and undergo elastic deformation under the pressure of the inner wall of the receiving groove 8. The multiple elastic plates 9 apply pressure evenly to the inner wall of the receiving groove 8, which can correct the deviation of the fastening bolt 3 from the inside. With the cooperation of the multiple elastic plates 9 and the multiple top plates 6, the movement trajectory of the fastening bolt 3 is always moved along the central axis of the leak-proof sleeve 5, which further limits the movement trajectory of the fastening bolt 3.

[0041] The alignment plate 7, top plate 6, elastic plate 9, and calibration column 10 form the alignment component. The alignment component can be used to calibrate the installation position of the fastening bolt 3, so that the central axis of the fastening bolt 3 coincides with the central axis of the leak-proof sleeve 5. This avoids gaps between the sealing ring 4 and the sealing plate 2 and the endless sheet pile 1, and prevents mud or groundwater from entering the inner cavity of the endless sheet pile 1 through the connection between the sealing plate 2 and the endless sheet pile 1, which could cause holes or honeycomb in the poured concrete. This ensures that the bearing capacity of the endless sheet pile 1 meets the expected standard and avoids affecting the construction progress of the project.

[0042] The receiving groove 8 is designed as a T-shaped structure, and the small end of the receiving groove 8 is connected to the small end of the fastening bolt 3. When the small end of the fastening bolt 3 and the threaded groove are close to the inner wall of the opening end of the leak-proof sleeve 5, the multiple elastic plates 9 move to the large end of the receiving groove 8, thereby converting the elastic potential energy into the kinetic energy of reset, so that the multiple elastic plates 9 can quickly reset. When the concrete is poured into the endless sheet pile 1 and causes it to vibrate, one end of the multiple elastic plates 9 is close to the inner wall of the receiving groove 8, thereby preventing the fastening bolt 3 from rotating and avoiding the loosening of the fastening bolt 3 due to the vibration of the endless sheet pile 1, thus improving the sealing of the bottom when the concrete is poured into the endless sheet pile 1.

[0043] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A sheet pile leak protection sleeve without end plate, characterized in that: include Endless sheet pile (1), with a sealing plate (2) detachably installed at one end; Multiple leak-proof sleeves (5) are fixedly connected at one end to one end of the endless sheet pile (1), and the multiple leak-proof sleeves (5) are arranged in a ring. The sealing plate (2) is arranged in a ring and can be detachably installed with multiple fastening bolts (3). The inner wall of the multiple leak-proof sleeves (5) is provided with threaded grooves that are compatible with the fastening bolts (3). The alignment component is installed in the inner cavity of the leak-proof sleeve (5). The installation position of the fastening bolt (3) can be calibrated by the alignment component so that the central axis of the fastening bolt (3) coincides with the central axis of the leak-proof sleeve (5).

2. A leakproof sleeve for sheet piles without end plates according to claim 1, characterized in that: The sealing plate (2) has multiple through holes arranged in a ring at one end, and multiple fastening bolts (3) are detachably installed in the inner cavity of the multiple through holes.

3. A leakproof sleeve for sheet piles without end plates according to claim 1, characterized in that: The open end of the anti-leakage sleeve (5) is flush with one end of the endless sheet pile (1). A sealing ring (4) is fixedly installed at one end of the endless sheet pile (1). One end of the sealing ring (4) is provided with multiple through holes that are compatible with the anti-leakage sleeve (5) in a ring-shaped distribution.

4. A leakproof sleeve for sheet piling without end plate according to claim 1, characterized in that: The alignment component includes an alignment plate (7) and a top plate (6). Multiple alignment plates (7) are fixedly installed in a ring on the inner wall of the leak-proof sleeve (5). The multiple alignment plates (7) are all set in an L-shaped structure, and one end of the multiple alignment plates (7) points to the bottom of the inner cavity of the leak-proof sleeve (5). The top plate (6) is fixedly installed on the side of the multiple alignment plates (7) near the central axis of the leak-proof sleeve (5). The end of the top plate (6) away from the alignment plate (7) is inclined towards the opening end of the leak-proof sleeve (5).

5. A leakproof sleeve for sheet piles without end plates according to claim 4, characterized in that: The leak-proof sleeve (5) has a calibration column (10) fixedly installed on the inner wall away from the opening end. The small end of the fastening bolt (3) has a receiving groove (8) that matches the calibration column (10). The outer wall of the calibration column (10) has multiple elastic plates (9) fixedly installed in a ring. All the multiple elastic plates (9) are inclined.

6. A leakproof sleeve for sheet piles without end plates according to claim 5, characterized in that: The receiving groove (8) is configured as a T-shaped structure, and the small end of the receiving groove (8) and the small end of the fastening bolt (3) are connected to each other.

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