Permanent steel sleeve and pre-embedded exempt cutting steel bracket based auxiliary pile cantilever stable pile platform structure and construction method

Abstract

This invention relates to the field of pile stabilization platform technology, specifically to a cantilever pile stabilization platform structure and construction method based on a permanent steel sleeve and pre-embedded, non-removable steel brackets. The platform includes: legs, support components, and an overlapping platform. Each leg comprises an outer sleeve and an inner sleeve housed within the outer sleeve, and a reinforcing connection mechanism between the inner and outer sleeves. The support components include steel brackets mounted on the outer sleeve and a Bailey bridge support mechanism mounted on the steel brackets. The overlapping platform includes a fixed bracket mounted on the Bailey bridge support mechanism and a steel plate laid on the fixed bracket. This invention connects the outer and inner sleeves into a single unit through the installation of a fixed reinforcing cage, a concrete layer, and an elastic connection mechanism, thereby improving structural strength. Simultaneously, the outer sleeve is inserted into the artificial foundation layer, and the inner sleeve is inserted into the seabed rock layer to hold it abutting against the seabed rock layer, reducing the probability of platform subsidence or displacement due to seawater erosion.

Description

Technical Field

[0001] This invention relates to the field of pile stabilization platform technology, specifically to a cantilever pile stabilization platform structure and construction method based on a permanent steel sleeve and a pre-embedded, non-cutting-removable steel bracket. Background Technology

[0002] A pile stabilizing platform, disclosed in CN201810493695.X, is described. The platform consists of a truss structure composed of transverse steel pipes, longitudinal steel pipes, and diagonal steel pipes. The four corners of the truss structure are pile leg passages for the pile legs to pass through. The bottom of the pile leg is fixed inside the pile shoe, and a ring beam is fitted on the pile leg. A spiral buckle is fixedly connected to the lower end of the ring beam. Connecting rods are vertically installed on the first, second, third, and fourth transverse steel pipes. When the pile stabilizing platform is adjusted to any position of the pile leg, the pile stabilizing platform and the pile leg are fixedly connected by the connecting rods and the spiral buckle.

[0003] However, when the aforementioned type of stabilizing platform is used, it is fixed by inserting the bottom pile shoe into the seabed. In the existing technology, the pile shoe or casing is generally inserted into the silt layer on the surface of the seabed, which has a poor fixing effect and is prone to settlement and displacement under the scouring of seawater. Summary of the Invention

[0004] The purpose of this invention is to provide a cantilevered pile stabilization platform structure and construction method based on a permanent steel sleeve and a pre-embedded, non-cutting steel bracket, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: On the one hand, a cantilevered pile-stabilizing platform structure without auxiliary piles is provided based on a permanent steel sleeve and a pre-embedded, non-removable steel bracket, including: The outrigger includes an outer sleeve and an inner sleeve disposed in the outer sleeve, and a reinforcing connection mechanism between the inner sleeve and the outer sleeve; The support assembly includes a steel bracket disposed on the outer sleeve and a Bailey support mechanism disposed on the steel bracket; The overlapping platform includes a fixed bracket set on the Bailey support mechanism and a steel plate laid on the fixed bracket.

[0006] Preferably, the outer sleeve is inserted into the artificial base bed, the artificial base bed is laid on the seabed rock layer, and the inner sleeve is inserted into the seabed rock layer.

[0007] Preferably, the steel bracket includes an upper connecting plate and a bottom plate disposed on the outer sleeve, and a support plate disposed between the upper connecting plate and the bottom plate.

[0008] Preferably, the Bailey support mechanism includes a Bailey frame erected on an adjacent upper connecting plate, a fixed pressure plate disposed on the upper connecting plate and passing through the Bailey frame, and a connector and a plug respectively provided at both ends of the Bailey frame.

[0009] Preferably, multiple Bailey bridges are arranged side by side on the same upper connecting plate, and the multiple Bailey bridges are connected in a row, so that the plug is inserted into the connector of the adjacent Bailey bridge, the fixing bracket is erected on the Bailey bridge on the adjacent support leg, and the fixing brackets are staggered.

[0010] Preferably, the outer sleeve has a first connecting groove, the inner sleeve has a second connecting groove, the outer sleeve has an alignment rail, the bottom end of the alignment rail has a first limiting baffle, and the inner sleeve has a second limiting baffle.

[0011] Preferably, the reinforcing connection mechanism includes a filling layer disposed between the inner sleeve and the outer sleeve and located below the first and second limiting baffles, a filling base plate disposed above the first and second limiting baffles, a waterproof adhesive layer disposed on the filling base plate, a fixed reinforcing cage disposed on the waterproof adhesive layer, a first connecting slider disposed in the first connecting groove, a second connecting slider disposed in the second connecting groove, an elastic connection mechanism disposed on the reinforcing cage and respectively connected to the first or second connecting slider, and a concrete layer poured between the outer sleeve and the inner sleeve and located above the waterproof adhesive layer. The filling base plate is provided with an alignment groove that mates with the alignment rail.

[0012] Preferably, the fixed reinforcing cage includes vertical reinforcing bars, a first ring reinforcing bar and a second ring reinforcing bar disposed on the vertical reinforcing bars, a connecting reinforcing bar disposed between the first ring reinforcing bar and the second ring reinforcing bar, and retaining rings disposed on both the first ring reinforcing bar and the second ring reinforcing bar.

[0013] Preferably, the elastic connection mechanism includes a connecting ring tube sleeved on the first or second annular steel bar and located between the retaining rings, a base cylinder disposed on the connecting ring tube, an inner embedded rod disposed in the base cylinder, a spring disposed between the inner embedded rod and the base cylinder, a rotating connecting rod disposed on the inner embedded rod, and a rotating base rod disposed on the rotating connecting rod and connected to the first or second connecting slider.

[0014] On the other hand, a construction method for a cantilevered, pile-stabilized platform structure without auxiliary piles based on a permanent steel sleeve and a pre-embedded, non-cutting steel bracket, as described in any of the above claims, is also provided, comprising: S1: Bagged gravel is dumped onto the seabed rock layer to form the artificial substrate layer; S2: The piling vessel drives the inner sleeve into the artificial foundation bed until it contacts the seabed rock layer; S3: Insert the drill bit from the inner sleeve, drill a hole in the seabed rock layer, and then drive the inner sleeve into the hole in the seabed rock layer. S4: The outer sleeve is fitted onto the inner sleeve, and the piling vessel drives the outer sleeve into the artificial foundation bed; S5; Drain the water between the inner sleeve and the outer sleeve, and then pour the gravel into the space below the first limiting baffle and the second limiting baffle to form the filling layer; S6: Align the alignment groove with the alignment slide rail, move the filling substrate down along the alignment slide rail until it contacts the limiting baffle, and pour waterproof adhesive onto the filling substrate to form a waterproof adhesive layer. S7: Hoist the fixed steel cage above the outer sleeve, align the first connecting slider with the first connecting groove and the second connecting slider with the second connecting groove, and move the fixed steel cage down along the first connecting groove and the second connecting groove until it contacts the waterproof adhesive layer. S8: Pour concrete between the inner sleeve and the outer sleeve to wrap the fixed steel cage, forming the concrete layer; S9: Weld the steel bracket to the outer wall of the outer sleeve, then hoist the Bailey frame onto the steel bracket, connect the steel bracket and the Bailey frame by welding the fixing plate, and insert the plug of the adjacent Bailey frames in the same column into the connector of the other Bailey frame and fix it with bolts; S10: Hoist the fixed bracket onto the Bailey bridge frame and secure it with bolts; S11: Lay the steel plate on the fixed bracket and fix it with bolts.

[0015] Compared with the prior art, the beneficial effects of the present invention are: This invention connects the outer sleeve and inner sleeve into a whole by setting up a fixed steel cage, concrete layer and elastic connection mechanism, thereby improving the structural strength. At the same time, the outer sleeve is inserted into the artificial foundation layer and the inner sleeve is inserted into the seabed rock layer to hold it against the seabed rock layer, which reduces the probability of the platform sinking or shifting under the scouring of seawater.

[0016] This invention connects the inner sleeve and outer sleeve by using a relatively sliding inner embedded rod and base cylinder, as well as rotatable connecting slider one, connecting slider two, and connecting ring pipe. This allows for the adaptation to the offset of the fixed reinforcing cage, reducing the precision requirements of construction. The inner sleeve and outer sleeve are further connected by pouring a concrete layer. By driving the smaller diameter inner sleeve into the seabed rock layer, the difficulty of drilling and driving the inner sleeve into the seabed rock layer is reduced, while the outrigger has greater erosion resistance. By setting the support components and overlapping platform on the larger diameter outer sleeve, the outrigger has greater load-bearing capacity. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a side view of the structure of the present invention when it is installed on the seabed; Figure 3 This is a schematic diagram of the structure of the fixing bracket of the present invention; Figure 4 This is a diagram showing the positional relationship of the outriggers of the present invention; Figure 5 This is a schematic diagram of the structure of the Bailey bridge of the present invention; Figure 6 This is a top view of the support leg of the present invention; Figure 7 This is a schematic diagram of the steel bracket structure of the present invention; Figure 8 This is a cross-sectional structural schematic diagram of the support leg of the present invention; Figure 9 This is a diagram showing the positional relationship of the fixed steel cage in this invention; Figure 10 This is a diagram showing the positional relationship between the fixed steel cage and the inner sleeve in this invention; Figure 11 This is a schematic diagram of the structure of the fixed steel cage of the present invention; Figure 12 This is a diagram showing the connection relationship between the elastic connecting mechanism and the connecting slider of the present invention. Figure 13 This is a cross-sectional view of the elastic connection mechanism of the present invention. Figure 14 This is a diagram showing the connection relationship between the elastic connecting mechanism and the connecting slider 2 of the present invention; Figure 15 This is a schematic diagram of the structure of the filling substrate of the present invention; Figure 16 This is a cross-sectional view of the outer sleeve of the present invention; Figure 17 This is a cross-sectional view of the inner sleeve of the present invention.

[0018] In the diagram: 1. Outer sleeve; 2. Inner sleeve; 3. Steel bracket; 301. Upper connecting plate; 302. Base plate; 303. Support plate; 4. Fixed bracket; 5. Steel plate; 6. Artificial foundation bed; 7. Seafloor rock layer; 8. Bailey bridge; 9. Fixed pressure plate; 10. Joint; 11. Plug; 12. Connecting slide groove one; 13. Connecting slide groove two; 14. Alignment slide rail; 15. Limiting baffle one; 16. Limiting baffle two; 17. Filling layer; 18. Filling base plate; 19. Waterproof adhesive layer; 20. Connecting slider one; 21. Connecting slider two; 22. Concrete layer; 23. Alignment groove; 24. Vertical reinforcement; 25. Ring reinforcement one; 26. Ring reinforcement two; 27. Connecting reinforcement; 28. Retaining ring; 29. ​​Connecting ring pipe; 30. Base cylinder; 31. Embedded rod; 32. Spring; 33. Rotating connecting rod; 34. Rotating base rod. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0020] Please see Figures 1 to 17 The present invention provides a technical solution: A cantilevered, pile-stabilized platform structure without auxiliary piles, based on permanent steel sleeves and pre-embedded, non-cutting steel brackets, includes legs, each comprising an outer sleeve 1 and an inner sleeve 2 housed within the outer sleeve 1, a reinforcing connection mechanism between the inner sleeve 2 and the outer sleeve 1, and an artificial foundation layer 6 laid on the seabed rock stratum 7. The artificial foundation layer 6 is formed by bagged gravel being dumped onto the seabed rock stratum 7, serving to fill the seabed rock stratum 7 while also acting as the foundation for inserting the outer sleeve 1 and the inner sleeve 2. The inner sleeve 2 is inserted into the seabed rock layer 7. First, the inner sleeve 2 is driven into the artificial foundation bed layer 6 using a piling vessel. Then, the drill bit is inserted from the inner sleeve 2 to drill a hole in the seabed rock layer 7 to reduce the difficulty of piling in the seabed rock layer 7. Next, the inner sleeve 2 is driven into the drill hole. The outer sleeve 1 is inserted into the artificial foundation bed layer 6. The outer sleeve 1 is hoisted and fitted onto the inner sleeve 2. The inner sleeve 2 is driven into the artificial foundation bed layer 6 using a piling vessel and abuts against the surface of the seabed rock layer 7.

[0021] The outer sleeve 1 has a connecting groove 12, and the inner sleeve 2 has a connecting groove 13. The outer sleeve 1 is provided with an alignment rail 14, which is fixedly connected to the inner wall of the outer sleeve 1 by welding or integral molding. The bottom end of the alignment rail 14 is provided with a limiting baffle 15, which is fixedly connected to the inner wall of the outer sleeve 1 by welding. The inner sleeve 2 is provided with a limiting baffle 16, which is fixedly connected to the outer wall of the inner sleeve 2 by welding. The limiting baffle 15 and the limiting baffle 16 are used to restrict and install the filling substrate 18 as the filling base of the waterproof adhesive layer 19. Ribs, reinforcing ribs, etc. can be provided below the limiting baffle 15 and the limiting baffle 16 to improve the strength of the limiting baffle 15 or the limiting baffle 16.

[0022] The reinforced connection mechanism includes a filling layer 17 disposed between the inner sleeve 2 and the outer sleeve 1 and located below the first limiting baffle 15 and the second limiting baffle 16; a filling base plate 18 disposed above the first limiting baffle 15 and the second limiting baffle 16; a waterproof adhesive layer 19 disposed on the filling base plate 18; a fixed reinforcing cage disposed on the waterproof adhesive layer 19; a connecting slider 20 disposed in the first connecting groove 12; a connecting slider 21 disposed in the second connecting groove 13; an elastic connection mechanism disposed on the reinforcing cage and connected to the first connecting slider 20 or the second connecting slider 21 respectively; and a concrete layer 22 poured between the outer sleeve 1 and the inner sleeve 2 and located above the waterproof adhesive layer 19. The filling layer 17 is formed by filling the space between the inner sleeve 2 and the outer sleeve 1 with crushed stone. The filling layer is used to improve the load-bearing capacity of the first limiting baffle 15, the second limiting baffle 16, and the filling base plate 18. The filling substrate 18 has an alignment groove 23 that mates with the alignment slide rail 14. The waterproof adhesive layer 19 can be made of epoxy resin or polyurethane. The waterproof adhesive layer 19 is formed by pouring the adhesive onto the filling substrate 18. The waterproof adhesive layer 19 is used to prevent water from seeping into the gap between the filling substrate 18 and the limiting baffle 15 or the limiting baffle 26 when the concrete layer 22 is not dry, and to prevent concrete from leaking from the gap. The filling substrate 18 slides down along the alignment slide rail 14 until it contacts the limiting baffle 15 and the limiting baffle 26. The connecting slider 10 and the connecting groove 12 are shaped to match, so that the connecting slider 10 can move along the connecting groove 12. The connecting slider 21 and the connecting slider 22 are shaped to match, so that the connecting slider 21 can move along the connecting slider 21. The concrete layer 22 is formed by pouring concrete between the outer sleeve 1 and the inner sleeve 2.

[0023] The fixed reinforcing cage includes vertical reinforcing bars 24, two annular reinforcing bars 25 and 26 arranged on the vertical reinforcing bars 24, connecting reinforcing bars 27 arranged between the two annular reinforcing bars 25 and 26, and retaining rings 28 arranged on both the annular reinforcing bars 25 and 26. The vertical reinforcing bars 24 are arranged in a ring to form two circular rings. The annular reinforcing bars 25 are arranged on the outer layer of vertical reinforcing bars 24 and are fixedly connected to the vertical reinforcing bars 24 by tying, lapping, or welding. The annular reinforcing bars 26 are arranged on the inner layer of vertical reinforcing bars 24. 4. The second ring-shaped steel bar 26 is fixedly connected to the vertical steel bar 24 by means of tying, lap splicing or welding. One end of the connecting steel bar 27 is fixedly connected to the first ring-shaped steel bar 25 by means of tying, lap splicing or welding. The other end of the connecting steel bar 27 is fixedly connected to the second ring-shaped steel bar 26 by means of tying, lap splicing or welding. The retaining ring 28 is fixedly connected to the first ring-shaped steel bar 25 or the second ring-shaped steel bar 26 by means of welding. The retaining rings 28 are in groups of two and are respectively set on both sides of the connecting ring tube 29 to restrict the position of the connecting ring tube 29 and prevent the connecting ring tube 29 from moving at will.

[0024] The elastic connection mechanism includes a connecting ring tube 29 sleeved on the first annular steel bar 25 or the second annular steel bar 26 and located between the retaining rings 28; a base cylinder 30 disposed on the connecting ring tube 29; an inner embedded rod 31 disposed in the base cylinder 30; a spring 32 disposed between the inner embedded rod 31 and the base cylinder 30; a rotating connecting rod 33 disposed on the inner embedded rod 31; and a rotating base rod 34 disposed on the rotating connecting rod 33 and connected to the first connecting slider 20 or the second connecting slider 21. The connecting ring tube 29 has two shapes: one that matches the shape of the first annular steel bar 25, and the other that matches the shape of the second annular steel bar 26. The shape of 26 matches, allowing the connecting ring pipe 29 to be rotatably connected to either the first annular steel bar 25 or the second annular steel bar 26. The base cylinder 30 is fixedly connected to the connecting ring pipe 29 by welding or other means. A slot is provided inside the base cylinder 30, and the embedded rod 31 matches the shape of the slot in the base cylinder 30, allowing the embedded rod 31 to be movably connected to the base cylinder 30 without detaching from it. One end of the spring 32 is fixedly connected to the embedded rod 31 by welding or other means, and the other end of the spring 32 is fixedly connected to the inner wall of the base cylinder 30 by welding or other means. The rotating connecting rod 33 is connected to the base cylinder 30 by welding or integral molding. The embedded rod 31 is fixedly connected, and the rotating base rod 34 is fixedly connected to the rotating connecting rod 33 by welding or integral molding. The rotating base rod 34 is rotatably connected to either the first connecting slider 20 or the second connecting slider 21. When the fixed steel cage is placed between the outer sleeve 1 and the inner sleeve 2, the first connecting slider 20 slides down along the first connecting groove 12, and the second connecting slider 21 slides down along the second connecting groove 13. The fixed steel cage shifts, and the embedded rod 31 can move along the base cylinder 30, stretching or compressing the spring 32 to adjust the length of the base cylinder 30 and the rotating connecting rod 33, and this is achieved through the rotatable connecting slider. 1. The connecting slider 21 and the connecting ring tube 29 adjust the angle of the base cylinder 30 and the rotating connecting rod 33 so that the elastic connection mechanism can adapt to the displacement of the fixed steel cage when it moves down. The spring 32 provides buffering and anti-excessive collision capability. The elastic connection mechanism is used to connect the inner sleeve 2, the outer sleeve 1 and the fixed steel cage to improve the overall strength. The elastic connection mechanism can adapt to the displacement of the fixed steel cage, reducing the accuracy requirements of construction. By driving the inner sleeve 2 with a smaller diameter into the seabed rock layer 7, the difficulty of drilling and driving the inner sleeve 2 into the seabed rock layer 7 is reduced.

[0025] The support assembly includes a steel bracket 3 mounted on the outer sleeve 1 and a Bailey support mechanism mounted on the steel bracket 3. The steel bracket 3 includes an upper connecting plate 301 and a bottom plate 302 mounted on the outer sleeve 1, and a support plate 303 mounted between the upper connecting plate 301 and the bottom plate 302. The upper connecting plate 301, the bottom plate 302, and the support plate 303 are fixedly connected to the outer sleeve 1 by welding or other means. The support plate 303 is fixedly connected to the upper connecting plate 301 and the bottom plate 302 by welding or other means.

[0026] The Bailey support mechanism includes a Bailey frame 8 erected on an adjacent upper connecting plate 301 and a fixed pressure plate 9 set on the upper connecting plate 301 and passing through the Bailey frame 8. The fixed pressure plate 9 is fixedly connected to the upper connecting plate 301 by welding or other means. The fixed pressure plate 9 is pressed onto the Bailey frame 8 and is used to improve the connection strength between the Bailey frame 8 and the upper connecting plate 301. The Bailey frame 8 can be fixedly connected to the fixed pressure plate 9 by welding or other means or by bolts. The two ends of the Bailey frame 8 are respectively provided with a connector 10 and a plug 11. The connector 10 and the plug 11 are used to connect two Bailey frames 8 end to end in a row. Four Bailey frames 8 are arranged side by side on the same upper connecting plate 301, and four Bailey frames 8 are connected in a row as a group. The plug 11 is inserted into the connector 10 of the adjacent Bailey frame 8 and fixed by bolts.

[0027] The lap platform includes a fixed support 4 set on the Bailey support mechanism and a steel plate 5 laid on the fixed support 4. The fixed support 4 is erected on the Bailey frame 8 on the adjacent legs. The fixed support 4 is fixedly connected to the Bailey frame 8 by means of bolts or welding. The fixed support 4 is an I-beam. The fixed supports 4 are staggered. The steel plate 5 is fixedly connected to the Bailey frame 8 by means of bolts or welding.

[0028] Construction method: Bagged gravel is dumped onto the seabed rock layer 7 to form an artificial base layer 6; The piling vessel drives the inner sleeve 2 into the artificial foundation bed 6 until it contacts the seabed rock layer 7; After inserting the drill bit into the inner sleeve 2 and drilling a hole in the seabed rock layer 7, continue to drive the inner sleeve 2 into the hole in the seabed rock layer 7. The outer sleeve 1 is hoisted and fitted onto the inner sleeve 2, and the outer sleeve 1 is driven into the artificial foundation bed 6 using a pile driving vessel; Drain the water between the inner sleeve 2 and the outer sleeve 1, and then pour the gravel into the space below the limiting baffle 15 and the limiting baffle 2 16 to form the filling layer 17. Align the alignment groove 23 with the alignment slide rail 14, and move the filling substrate 18 down along the alignment slide rail 14 until it contacts the limiting baffle 15. Pour the waterproof adhesive onto the filling substrate 18 to form a waterproof adhesive layer 19. Hoist the fixed steel cage above the outer sleeve 1, align the connecting slider 1 20 with the connecting groove 1 12 and the connecting slider 21 with the connecting groove 2 13, and move the fixed steel cage down along the connecting groove 1 12 and the connecting groove 2 13 until it contacts the waterproof adhesive layer 19. Concrete is poured between the inner sleeve 2 and the outer sleeve 1 to wrap and fix the steel cage, forming a concrete layer 22. The steel bracket is welded to the outer wall of the outer sleeve 1, and then the Bailey frame 8 is hoisted onto the steel bracket. The steel bracket 3 and the Bailey frame 8 are connected by welding and fixing the pressure plate 9. The plug 11 of the adjacent Bailey frames 8 in the same column is inserted into the connector 10 of another Bailey frame 8 and fixed by bolts. The fixed bracket 4 is hoisted onto the Bailey bridge 8 and secured with bolts; The steel plate 5 is laid on the fixed bracket 4 and fixed with bolts.

[0029] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A cantilevered pile-stabilizing platform structure without auxiliary piles, based on a permanent steel sleeve and pre-embedded, non-removable steel brackets, characterized in that... include: The outrigger includes an outer sleeve and an inner sleeve disposed in the outer sleeve, and a reinforcing connection mechanism between the inner sleeve and the outer sleeve; The support assembly includes a steel bracket disposed on the outer sleeve and a Bailey support mechanism disposed on the steel bracket; The overlapping platform includes a fixed bracket set on the Bailey support mechanism and a steel plate laid on the fixed bracket.

2. The cantilevered pile stabilizing platform structure without auxiliary piles based on permanent steel sleeves and pre-embedded, non-cutting steel brackets as described in claim 1, characterized in that: The outer sleeve is inserted into the artificial base bed, which is laid on the seabed rock layer, and the inner sleeve is inserted into the seabed rock layer.

3. The cantilevered pile stabilizing platform structure without auxiliary piles based on permanent steel sleeves and pre-embedded, non-removable steel brackets as described in claim 2, characterized in that: The steel bracket includes an upper connecting plate and a bottom plate disposed on the outer sleeve, and a support plate disposed between the upper connecting plate and the bottom plate.

4. The cantilevered pile stabilizing platform structure without auxiliary piles based on permanent steel sleeves and pre-embedded, non-cutting steel brackets as described in claim 3, characterized in that: The Bailey support mechanism includes a Bailey frame erected on an adjacent upper connecting plate, a fixed pressure plate disposed on the upper connecting plate and passing through the Bailey frame, and a connector and a plug respectively provided at both ends of the Bailey frame.

5. The cantilevered pile stabilizing platform structure without auxiliary piles based on permanent steel sleeves and pre-embedded, non-cutting steel brackets as described in claim 4, characterized in that: Multiple Bailey bridges are arranged side by side on the same upper connecting plate, and the multiple Bailey bridges are connected in a row, so that the plug is inserted into the connector of the adjacent Bailey bridge, and the fixing bracket is erected on the Bailey bridge on the adjacent support leg, and the fixing brackets are staggered.

6. The cantilevered pile stabilizing platform structure without auxiliary piles based on permanent steel sleeves and pre-embedded, non-cutting steel brackets as described in claim 5, characterized in that: The outer sleeve has a connecting groove one, the inner sleeve has a connecting groove two, the outer sleeve has an alignment rail, the bottom end of the alignment rail has a limit baffle one, and the inner sleeve has a limit baffle two.

7. The cantilevered pile stabilizing platform structure without auxiliary piles based on permanent steel sleeves and pre-embedded, non-cutting steel brackets as described in claim 6, characterized in that: The reinforcing connection mechanism includes a filling layer disposed between the inner sleeve and the outer sleeve and located below the first and second limiting baffles, a filling base plate disposed above the first and second limiting baffles, a waterproof adhesive layer disposed on the filling base plate, a fixed reinforcing cage disposed on the waterproof adhesive layer, a first connecting slider disposed in the first connecting groove, a second connecting slider disposed in the second connecting groove, an elastic connection mechanism disposed on the reinforcing cage and respectively connected to the first or second connecting slider, and a concrete layer poured between the outer sleeve and the inner sleeve and located above the waterproof adhesive layer. The filling base plate has an alignment groove that mates with the alignment rail.

8. The cantilevered pile stabilizing platform structure without auxiliary piles based on permanent steel sleeves and pre-embedded, non-cutting steel brackets as described in claim 7, characterized in that: The fixed steel cage includes vertical steel bars, a first ring steel bar and a second ring steel bar set on the vertical steel bars, a connecting steel bar set between the first ring steel bar and the second ring steel bar, and retaining rings set on both the first ring steel bar and the second ring steel bar.

9. The cantilevered pile stabilizing platform structure without auxiliary piles based on permanent steel sleeves and pre-embedded, non-cutting steel brackets as described in claim 8, characterized in that: The elastic connection mechanism includes a connecting ring tube sleeved on the first or second annular steel bar and located between the retaining rings, a base cylinder disposed on the connecting ring tube, an inner embedded rod disposed in the base cylinder, a spring disposed between the inner embedded rod and the base cylinder, a rotating connecting rod disposed on the inner embedded rod, and a rotating base rod disposed on the rotating connecting rod and connected to the first or second connecting slider.

10. A construction method for a cantilevered, pile-stabilized platform structure without auxiliary piles based on a permanent steel sleeve and a pre-embedded, non-cutting steel bracket as described in claim 9, characterized in that, include: S1: Bagged gravel is dumped onto the seabed rock layer to form the artificial substrate layer; S2: The piling vessel drives the inner sleeve into the artificial foundation bed until it contacts the seabed rock layer; S3: Insert the drill bit into the inner sleeve, drill a hole in the seabed rock layer, and then drive the inner sleeve into the hole in the seabed rock layer. S4: The outer sleeve is fitted onto the inner sleeve, and the piling vessel drives the outer sleeve into the artificial foundation bed; S5; Drain the water between the inner sleeve and the outer sleeve, and then pour the gravel into the space below the first limiting baffle and the second limiting baffle to form the filling layer; S6: Align the alignment groove with the alignment slide rail, move the filling substrate down along the alignment slide rail until it contacts the limiting baffle, and pour waterproof adhesive onto the filling substrate to form a waterproof adhesive layer. S7: Hoist the fixed steel cage above the outer sleeve, align the first connecting slider with the first connecting groove and the second connecting slider with the second connecting groove, and move the fixed steel cage down along the first connecting groove and the second connecting groove until it contacts the waterproof adhesive layer. S8: Pour concrete between the inner sleeve and the outer sleeve to wrap the fixed steel cage, forming the concrete layer; S9: Weld the steel bracket to the outer wall of the outer sleeve, then hoist the Bailey frame onto the steel bracket, connect the steel bracket and the Bailey frame by welding the fixing plate, and insert the plug of the adjacent Bailey frames in the same column into the connector of the other Bailey frame and fix it with bolts; S10: Hoist the fixed bracket onto the Bailey bridge frame and secure it with bolts; S11: Lay the steel plate on the fixed bracket and fix it with bolts.

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