Pile foundation structure of wharf

By setting positioning components and adjusting components on the pouring formwork, the problem of steel cage offset during the casting process of prefabricated pile foundation is solved, ensuring the quality of pile foundation and construction efficiency.

CN119859992AActive Publication Date: 2025-04-22CHINA STATE CONSTR HARBOR CONSTR

Patent Information

Application Number
CN202510155297.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-12
Publication Date
2025-04-22
Estimated Expiration
2045-02-12

AI Technical Summary

Technical Problem

During casting, due to errors in the alignment of the steel bars at the center of the formwork, it is prone to offset, affecting the quality of the prefabricated foundation piles.

Method used

The positioning assembly is provided on the pouring formwork, including the positioning ring, L-shaped slide, screw and baffle, to ensure that the center of the steel cage coincides with the center of the pouring formwork by adjusting the assembly and mounting the assembly.

Benefits of technology

It effectively avoids the deviation of the steel cage during the pouring process, ensures the quality of prefabricated pile foundations, meets the needs of dock construction, and improves the efficiency of the structure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a wharf pile foundation structure which comprises a pouring formwork used for conducting prefabricated pile foundation pouring, a positioning assembly is arranged on the pouring formwork and comprises a positioning ring, an L-shaped sliding seat is arranged on the positioning ring in a sliding mode, and a screw rod in threaded connection with the L-shaped sliding seat is further rotationally arranged on the positioning ring. According to the pile foundation structure of the wharf, the positioning assembly is assembled on the pouring formwork, so that the center of a reinforcement cage and the center of the pouring formwork are overlapped through the center round hole of the positioning ring, and the quality of a precast pile foundation after pouring is guaranteed; and meanwhile, an adjusting assembly is further arranged on the positioning ring and used for adjusting the size of the space used for limiting the steel reinforcement cage, so that application in different use scenes is met, and the performance of the overall structure is further improved.
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Description

Technical Field

[0001] The invention relates to the technical field of construction engineering, in particular to a pile foundation structure of a dock. Background Art

[0002] The pile foundation structure of the wharf is an important supporting part of the wharf building. Depending on the type of wharf, the design and selection of the pile foundation structure will also vary. At the same time, in order to improve efficiency, prefabricated pile foundations will be used for construction.

[0003] However, when pouring the precast pile foundation, the user needs to manually align the steel bars with the center of the pile foundation casting template, which causes errors and is prone to offset, affecting the quality of the precast piles after pouring. For this reason, we propose a pile foundation structure for the wharf. Summary of the invention

[0004] The object of the present invention is to provide a pile foundation structure for a dock to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a pile foundation structure of a dock, comprising a casting template for casting prefabricated pile foundations, the casting template being provided with a positioning assembly, the positioning assembly comprising a positioning ring, an L-shaped sliding seat being slidably provided on the positioning ring, and a screw being rotatably provided on the positioning ring and being threadedly connected to the L-shaped sliding seat, a baffle being fixedly installed on the end of the L-shaped sliding seat, the baffle being located in the inner cavity of the positioning ring, and an adjusting assembly and a mounting assembly being provided on the positioning ring; the adjusting assembly comprising a first connecting shaft and a second connecting shaft rotatably provided inside the positioning ring, a first bearing provided on the outer surface of the positioning ring, and a connecting ring rotatably connected to the positioning ring through the first bearing, a first transmission gear and a main bevel gear being fixedly installed on both ends of the first connecting shaft, one end of the second connecting shaft being fixedly connected to the screw, and a secondary bevel gear being fixedly installed on the other end of the second connecting shaft, and the top of the connecting ring The first gear is fixedly mounted on the surface, and the first gear is also meshed with the first transmission gear. A connecting rod is also slidably arranged on the connecting ring, and a first movable ring is fixedly mounted on the lower end of the connecting rod. A return spring is arranged between the first movable ring and the connecting ring, and a stop ring is arranged below the first movable ring, and the stop ring is fixedly connected to the positioning ring; the mounting assembly includes a disc-shaped shaft rotatably arranged inside the positioning ring, a second bearing, and a second movable ring rotatably connected to the positioning ring by the second bearing, a connecting rod is also fixedly mounted on the second movable ring, and a second ring gear is fixedly mounted on the end of the connecting rod, a second transmission gear is fixedly mounted on the outer surface of the disc-shaped shaft, and a sliding rod is fixedly mounted on the bottom surface of the disc-shaped shaft, a connecting bolt is slidably arranged on the sliding rod, a fixing nut is threadedly connected to the connecting bolt, the fixing nut is fixedly connected to the positioning ring, and the second ring gear is meshed with the second transmission gear.

[0006] Preferably, the main bevel gear and the auxiliary bevel gear are both located in the inner cavity of the positioning ring, and the main bevel gear and the auxiliary bevel gear are meshingly connected with each other.

[0007] Preferably, the side surface of the stop ring adjacent to the first movable ring is provided with friction patterns for enhancing friction.

[0008] Preferably, a through hole is provided on the first ring gear, and the first ring gear can be meshed and connected with the connecting rod through the through hole.

[0009] Preferably, the upper end of the return spring is fixedly connected to the connecting ring, and the lower end of the return spring is fixedly connected to the first movable ring.

[0010] Preferably, the outer surface of the first movable ring is provided with a convex button, and the surface of the convex button is also provided with anti-slip grooves.

[0011] Preferably, a convex strip is provided on the outer surface of the slide rod, and a stopper is fixedly mounted on the lower end of the slide rod.

[0012] Preferably, the stopper is located in the inner cavity of the connecting bolt, and the connecting bolt can also be threadedly connected to the casting template.

[0013] Preferably, a special-shaped hole for cooperating with the slide rod is formed on the connecting bolt, and the size of the stopper is larger than the size of the special-shaped hole.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The present invention assembles the positioning component on the casting template, so that the center of the steel cage is placed in overlap with the center of the casting template by using the central circular hole of the positioning ring, so as to ensure the quality of the prefabricated pile foundation after casting, thereby meeting the subsequent construction requirements of the wharf. At the same time, an adjustment component is also set on the positioning ring to adjust the size of the steel cage space to meet the application of different usage scenarios and further improve the performance of the overall structure.

[0016] 2. The present invention further adds a mounting assembly to the positioning ring to quickly connect the positioning ring to the casting template, further improving the use efficiency of the overall structure, thereby simplifying the operation steps of the overall structure and improving the overall efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0018] Figure 2 This is an exploded view of the casting template structure of the present invention;

[0019] Figure 3 It is a front view of the positioning ring structure of the present invention;

[0020] Figure 4 It is a schematic cross-sectional view of the positioning ring structure of the present invention;

[0021] Figure 5 This is an exploded view of the positioning ring structure of the present invention;

[0022] Figure 6 for Figure 5 A schematic diagram of the structure enlargement in the middle;

[0023] Figure 7 This is a schematic diagram of the structure of the second movable ring of the present invention;

[0024] Figure 8 This is an exploded view of the connecting bolt structure of the present invention.

[0025] In the figure: 1. casting template; 2. positioning assembly; 21. positioning ring; 22. baffle; 23. L-shaped slide; 24. screw; 3. adjustment assembly; 31. first transmission gear; 32. first ring gear; 33. first movable ring; 34. connecting ring; 35. first bearing; 36. stop ring; 37. first connecting shaft; 38. main bevel gear; 39. secondary bevel gear; 310. second connecting shaft; 311. connecting rod; 312. return spring; 4. installation assembly; 41. second movable ring; 42. second bearing; 43. second ring gear; 44. second transmission gear; 45. disc shaft; 46. slide rod; 47. fixing nut; 48. connecting bolt; 49. connecting rod; 410. convex strip; 411. block. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] See also Figure 1-8 The present invention provides a technical solution: a pile foundation structure of a dock, comprising a casting template 1 for casting a prefabricated pile foundation, a positioning component 2 is arranged on the casting template 1, the positioning component 2 comprises a positioning ring 21, an L-shaped slide 23 is slidably arranged on the positioning ring 21, and a screw 24 threadedly connected to the L-shaped slide 23 is rotatably arranged on the positioning ring 21, a baffle 22 is fixedly installed at the end of the L-shaped slide 23, the baffle 22 is located in the internal cavity of the positioning ring 21, and an adjustment component 3 and an installation component 4 are also arranged on the positioning ring 21; the addition of such structures can ensure the degree of center overlap between the steel cage and the casting template 1, thereby achieving the quality of the prefabricated pile foundation after casting.

[0028] The adjusting assembly 3 includes a first connecting shaft 37 and a second connecting shaft 310 rotatably arranged inside the positioning ring 21, a first bearing 35 arranged on the outer surface of the positioning ring 21, and a connecting ring 34 rotatably connected to the positioning ring 21 through the first bearing 35, the first connecting shaft 37 has a first transmission gear 31 and a main bevel gear 38 fixedly installed at both ends, one end of the second connecting shaft 310 is fixedly connected to the screw rod 24, and the other end of the second connecting shaft 310 is fixedly installed with a secondary bevel gear 39, the top surface of the connecting ring 34 is fixedly installed with a first ring gear 32, the first ring gear 32 is also meshed with the first transmission gear 31, a connecting rod 311 is also slidably arranged on the connecting ring 34, the lower end of the connecting rod 311 is fixedly installed with a first movable ring 33, a reset spring 312 is arranged between the first movable ring 33 and the connecting ring 34, a stop ring 36 is arranged below the first movable ring 33, and the stop ring 36 is fixedly connected to the positioning ring 21 The main bevel gear 38 and the secondary bevel gear 39 are both located in the internal cavity of the positioning ring 21, and the main bevel gear 38 and the secondary bevel gear 39 are meshed and connected in transmission. The side of the stop ring 36 adjacent to the first movable ring 33 is provided with friction patterns for enhancing friction. A through hole is provided on the first ring gear 32, and the first ring gear 32 can be meshed and connected with the connecting rod 311 through the through hole. The upper end of the return spring 312 is fixedly connected to the connecting ring 34, and the lower end of the return spring 312 is fixedly connected to the first movable ring 33. The elastic force of the return spring 312 can cooperate with the friction patterns on the stop ring 36, so that sufficient friction is formed between the first movable ring 33 and the stop ring 36, thereby locking the structures and ensuring the stability of the overall device. The outer surface of the first movable ring 33 is provided with a convex button, and the surface of the convex button is also provided with anti-slip patterns, which is convenient for users to actually operate and prevent their hands from slipping, so as to improve the performance of the overall device.

[0029] The mounting assembly 4 includes a disc-shaped shaft 45 rotatably arranged inside the positioning ring 21, a second bearing 42, and a second movable ring 41 rotatably connected to the positioning ring 21 by the second bearing 42. A connecting rod 49 is also fixedly installed on the second movable ring 41, and a second ring gear 43 is fixedly installed on the end of the connecting rod 49. A second transmission gear 44 is fixedly installed on the outer surface of the disc-shaped shaft 45, and a sliding rod 46 is fixedly installed on the bottom surface of the disc-shaped shaft 45. A connecting bolt 48 is slidably arranged on the sliding rod 46, and a fixing nut 47 is threadedly connected to the connecting bolt 48. The fixing nut 47 is fixedly connected to the positioning ring 21, and the second ring gear 43 is fixedly installed on the second transmission gear 44. The movable gear 44 is meshedly connected, and a convex strip 410 is provided on the outer surface of the slide rod 46. The convex strip 410 can make the slide rod 46 and the connecting bolt 48 have a stable sliding connection relationship, thereby meeting the actual transmission effect, and a stopper 411 is fixedly installed on the lower end of the slide rod 46. The stopper 411 is located in the internal cavity of the connecting bolt 48. The connecting bolt 48 can also be threadedly connected to the casting template 1. A special-shaped hole for cooperating with the slide rod 46 is provided on the connecting bolt 48. The size of the stopper 411 is larger than the size of the special-shaped hole. The design of the stopper 411 can avoid the connection bolt 48 from detaching, thereby ensuring the stability of the connection bolt 48.

[0030] Working principle: first assemble the positioning ring 21 on the casting template 1, rotate the second movable ring 41 rotatably connected to the positioning ring 21 by the second bearing 42, and the second ring gear 43 fixedly connected to the second movable ring 41 through the connecting rod 49 rotates inside the positioning ring 21, and the second transmission gear 44 fixed on the disc shaft 45 is meshed with the second ring gear 43, so that the sliding rod 46 fixedly connected to the disc shaft 45 rotates together, and the connecting bolt 48 slidably connected to the sliding rod 46 is also threadedly connected to the fixing nut 47, so After the disc-shaped shaft 45 drives the sliding rod 46 to rotate, the connecting bolt 48 can be screwed out from the inside of the positioning ring 21 and then screwed into the inside of the casting template 1 to fix the positioning ring 21 on the casting template 1; then the first movable ring 33 is pulled to create a gap between the first movable ring 33 and the stop ring 36 fixed on the casting template 1, and then the first movable ring 33 is rotated, and the connecting rod 311 fixed on the first movable ring 33 is slidably connected with the connecting ring 34, and the connecting ring 34 is fixed on the first ring gear 32, and the first ring gear 32 A first bearing 35 is also used to be rotatably connected with the positioning ring 21, and the first ring gear 32 can rotate with the rotation of the first movable ring 33, wherein the first ring gear 32 is meshed with the first transmission gear 31, and the first connecting shaft 37 is fixed to the first transmission gear 31. The main bevel gear 38 at the end of the first connecting shaft 37 is meshed and connected with the auxiliary bevel gear 39, and the auxiliary bevel gear 39 is fixedly connected with the screw rod 24 using the second connecting shaft 310, so that the screw rod 24 can rotate with the rotation of the first transmission gear 31, and the screw rod 24 can rotate with the rotation of the first transmission gear 31. The threaded L-shaped slide 23 can drive the baffle 22 to slide on the positioning ring 21, and the first ring gear 32 can be meshed and connected with multiple first transmission gears 31 at the same time, so as to change the distance between the multiple baffles 22, so that the space between the baffles 22 can accommodate the steel cage. Because the multiple baffles 22 can slide synchronously, the center of the steel cage can coincide with the center of the casting formwork 1 below it, so that the steel cage can be placed inside the casting formwork 1, thereby ensuring the quality of the subsequent casting of the prefabricated pile foundation and meeting the subsequent construction requirements of the wharf.

[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pile foundation structure for a dock, comprising a casting template (1) for casting a prefabricated pile foundation, characterized in that: The casting template (1) is provided with a positioning assembly (2), the positioning assembly (2) comprising a positioning ring (21), an L-shaped sliding seat (23) being slidably provided on the positioning ring (21), and a screw (24) being rotatably provided on the positioning ring (21) and being threadedly connected to the L-shaped sliding seat (23), a baffle (22) being fixedly installed at the end of the L-shaped sliding seat (23), the baffle (22) being located in the inner cavity of the positioning ring (21), and an adjustment assembly (3) and a mounting assembly (4) being also provided on the positioning ring (21); The adjustment assembly (3) comprises a first connecting shaft (37) and a second connecting shaft (310) rotatably arranged inside the positioning ring (21), a first bearing (35) arranged on the outer surface of the positioning ring (21), and a connecting ring (34) rotatably connected to the positioning ring (21) via the first bearing (35), wherein the first connecting shaft (37) is respectively fixedly mounted with a first transmission gear (31) and a main bevel gear (38), one end of the second connecting shaft (310) is fixedly connected to the screw rod (24), and the other end of the second connecting shaft (310) is fixedly mounted with a secondary bevel gear (38). The connecting ring (34) is provided with a first ring gear (32) fixedly mounted on the top surface thereof, the first ring gear (32) is also meshedly connected with the first transmission gear (31), the connecting ring (34) is also slidably provided with a connecting rod (311), the lower end of the connecting rod (311) is fixedly mounted with a first movable ring (33), a return spring (312) is provided between the first movable ring (33) and the connecting ring (34), a stop ring (36) is provided below the first movable ring (33), and the stop ring (36) is fixedly connected with the positioning ring (21); The mounting assembly (4) comprises a disc-shaped shaft (45) rotatably arranged inside the positioning ring (21), a second bearing (42), and a second movable ring (41) rotatably connected to the positioning ring (21) by means of the second bearing (42); a connecting rod (49) is also fixedly mounted on the second movable ring (41); a second ring gear (43) is fixedly mounted on the end of the connecting rod (49); a second transmission gear (44) is fixedly mounted on the outer surface of the disc-shaped shaft (45); and a sliding rod (46) is fixedly mounted on the bottom surface of the disc-shaped shaft (45); a connecting bolt (48) is slidably arranged on the sliding rod (46); a fixing nut (47) is threadedly connected to the connecting bolt (48); the fixing nut (47) is fixedly connected to the positioning ring (21); and the second ring gear (43) is meshingly connected to the second transmission gear (44).

2. A pile foundation structure for a dock according to claim 1, characterized in that: The main bevel gear (38) and the secondary bevel gear (39) are both located in the inner cavity of the positioning ring (21), and the main bevel gear (38) and the secondary bevel gear (39) are meshed and transmission-connected.

3. The pile foundation structure of a dock according to claim 1, characterized in that: The side surface of the stop ring (36) adjacent to the first movable ring (33) is provided with friction patterns for enhancing frictional force.

4. The pile foundation structure of a dock according to claim 1, characterized in that: The first ring gear (32) is provided with a through hole, and the first ring gear (32) can be meshed and connected with the connecting rod (311) through the through hole.

5. The pile foundation structure of a dock according to claim 1, characterized in that: The upper end of the return spring (312) is fixedly connected to the connecting ring (34), and the lower end of the return spring (312) is fixedly connected to the first movable ring (33).

6. The pile foundation structure of a dock according to claim 1, characterized in that: The outer surface of the first movable ring (33) is provided with a convex button, and the surface of the convex button is also provided with anti-slip grooves.

7. The pile foundation structure of a dock according to claim 1, characterized in that: The outer surface of the slide rod (46) is provided with a convex strip (410), and a stopper (411) is fixedly mounted on the lower end of the slide rod (46).

8. The pile foundation structure of a dock according to claim 7, characterized in that: The stopper (411) is located in the inner cavity of the connecting bolt (48), and the connecting bolt (48) can also be threadedly connected to the casting template (1).

9. The pile foundation structure of a dock according to claim 7, characterized in that: The connecting bolt (48) is provided with a special-shaped hole for cooperating with the sliding rod (46), and the size of the stopper (411) is larger than the size of the special-shaped hole.

Citation Information

Patent Citations

  • Steel pipe pile construction positioning structure for long-pile wharf

    CN215052908U

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