Pile-soil load regulator for composite pile foundation

Abstract

The utility model belongs to the technical field of composite pile foundations of non-soft soil foundations, and particularly relates to a pile-soil load regulator for a composite pile foundation, which comprises a bearing platform and an end bearing pile, a load regulator is fixedly mounted between the bearing platform and the end bearing pile, and the load regulator comprises an upper end plate and a lower end plate. The bottom of the upper end plate is fixedly provided with an upper pile casing, the top of the lower end plate is fixedly provided with a lower pile casing, the lower pile casing is connected into the upper pile casing in a sliding mode, and a plurality of bevel plates are detachably connected between the upper end plate and the lower end plate through connecting assemblies. The connecting assembly is arranged to detachably connect the bevel plate between the upper end plate and the lower end plate, so that when the bevel plate is damaged and the like, a worker can conveniently replace the bevel plate and the like, and the convenience is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of composite pile foundations for non-soft soil foundations, and particularly relates to a pile-soil load regulator for a composite pile foundation. Background Technique

[0002] Pile foundations usually include conventional pile foundations and composite pile foundations; when designing and calculating conventional pile foundations, the bearing capacity of a single pile takes the characteristic value or design value, without considering the bearing performance of the soil around the pile, and the load of the superstructure is completely borne by the pile; while a composite pile foundation is a form of pile foundation with sparse arrangement, which can make full use of the bearing capacity of the soil around the pile. Compared with conventional pile foundations, the amount of piles used in the project is greatly reduced, and the cost investment can be greatly saved.

[0003] In the existing composite pile foundation, a load regulator is usually installed between the pile cap and the pile top of the end-bearing pile. When the upper load acting on the pile cap is small, the load regulator and the soil around the pile start to bear the load at the same time. Since the stiffness of the load regulator is much greater than that of the soil around the pile, the bearing capacity of the soil around the pile can be ignored. At this time, the load regulator bears the upper load; when the upper load reaches the adjustment tonnage of the load regulator, the load regulator starts to be compressed and deformed together with the soil around the pile. At this time, the stiffness of the load regulator is at a relatively low level, and the load regulator no longer bears the excess load. By coordinating the deformation with the soil around the pile, the increased load will be borne by the soil around the pile, so as to achieve the purpose of the common action of the pile and the soil; when the load regulator reaches the predetermined deformation, the stiffness of the load regulator is restored to the initial stiffness through the limit device on it, and the load regulator exits the work. Then, through secondary grouting, the load regulator becomes a part of the end-bearing pile. The vertical stiffness of the end-bearing pile is extremely large, much greater than the stiffness of the soil around the pile, and the bearing capacity of the soil around the pile can be ignored, that is, the soil around the pile no longer plays a role and exits the work, and the subsequent increased upper load is borne by the end-bearing pile. This load regulator achieves a dual regulation effect through coordinated deformation and secondary grouting.

[0004] Therefore, when designing and calculating the existing composite pile foundation, it is mainly based on the established compression deformation curve of the load regulator, so as to replace the calculation based on the deformation of the soil body, avoid the calculation errors caused by the complexity and uncertainty of the soil body, and accurately design the bearing ratio of the soil around the pile and the end-bearing pile under the action of the upper load, and then accurately calculate the bearing capacity of the composite pile foundation.

[0005] However, through observation, it is found that the compression deformation of the existing load regulator is torsional knee-bending deformation, which is still an indeterminate deformation. The compression deformation curve of the load regulator has uncertainty, resulting in relatively large errors in the design and calculation of composite pile foundations. Although there is currently a solution to the above problem by setting a folding plate in the load regulator, there is a problem that it is difficult to disassemble and assemble the folding plate in the load regulator, which will, to a certain extent, make it inconvenient for personnel to replace the folding plate. Therefore, a pile-soil load regulator for composite pile foundations is invented. Summary of the Utility Model

[0006] In view of the above and / or existing problems in a pile-soil load regulator for composite pile foundations, the present utility model is proposed.

[0007] Therefore, the purpose of the present utility model is to provide a pile-soil load regulator for composite pile foundations, which can solve the above-mentioned existing problems.

[0008] To solve the above technical problems, according to one aspect of the present utility model, the following technical solutions are provided:

[0009] A pile-soil load regulator for composite pile foundations, which includes a bearing platform and an end-bearing pile. A load regulator is fixedly installed between the bearing platform and the end-bearing pile. The load regulator includes an upper end plate and a lower end plate. An upper casing is fixedly installed at the bottom of the upper end plate, and a lower casing is fixedly installed at the top of the lower end plate. The lower casing is slidably connected in the upper casing. The upper end plate and the lower end plate are detachably connected with a plurality of folding plates through a connecting component.

[0010] As a preferred solution of a pile-soil load regulator for composite pile foundations according to the present utility model, wherein: the connecting component includes:

[0011] Positioning blocks, positioning blocks are fixedly installed at both ends of the folding plate;

[0012] Positioning grooves, the positioning grooves are opened in the positioning blocks;

[0013] Limit blocks, a plurality of limit blocks are fixedly installed at the relative ends of the upper end plate and the lower end plate, and the limit blocks are inserted into the positioning grooves.

[0014] As a preferred solution of a pile-soil load regulator for composite pile foundations according to the present utility model, wherein: it further includes:

[0015] A fixing component for fixing the limit block in the positioning groove;

[0016] The fixing component includes:

[0017] The first sliding groove, the outer sides of the positioning block and the limiting block are both provided with the first sliding groove;

[0018] The second sliding groove, both ends of the outer sides of the positioning block and the limiting block are provided with the second sliding groove, the second sliding groove is located on both sides of the first sliding groove, and the second sliding groove is communicated with the first sliding groove;

[0019] The circular groove, the circular groove is opened in the middle of the limiting block, and the circular groove is communicated with the second sliding groove and the first sliding groove.

[0020] As a preferred scheme of a pile-soil load regulator for a composite pile foundation according to the present invention, wherein: the fixing component further includes:

[0021] The sliding rod, the sliding rod is slidably connected in the first sliding groove;

[0022] The limiting rod, both sides of one end of the sliding rod are fixedly installed with the limiting rods, and the limiting rods are located in the circular groove through the second sliding groove.

[0023] As a preferred scheme of a pile-soil load regulator for a composite pile foundation according to the present invention, wherein: the fixing component further includes:

[0024] The hollow tube, the hollow tube is fixedly installed on the outer surface of the positioning block;

[0025] The circular plate, the circular plate is fixedly installed on the other end of the sliding rod.

[0026] As a preferred scheme of a pile-soil load regulator for a composite pile foundation according to the present invention, wherein: the fixing component further includes:

[0027] The driving plate, the driving plate is fixedly installed on one side of the circular plate;

[0028] The spring, the spring is sleeved on the sliding rod, and both ends of the spring are fixedly connected with the circular plate and the positioning block respectively.

[0029] As a preferred scheme of a pile-soil load regulator for a composite pile foundation according to the present invention, wherein: the fixing component further includes:

[0030] The square plate, two groups of square plates are fixedly installed at both ends of the outer surface of the circular plate;

[0031] The connecting plate, the connecting plate is fixedly installed on the inner surface of the hollow tube.

[0032] As a preferred scheme of a pile-soil load regulator for a composite pile foundation according to the present invention, wherein: the fixing component further includes:

[0033] The rubber plate, the rubber plate is fixedly installed on one end of the connecting plate;

[0034] A U-shaped plate, which is fixedly installed on the outer side of the inner cavity of the hollow tube.

[0035] Compared with the prior art:

[0036] By providing a connecting component to detachably connect the angled plate member between the upper end plate and the lower end plate, it is possible to facilitate operations such as replacing the angled plate member when the angled plate member is damaged, etc., improving convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 It is a front view schematic diagram of the structure of the present utility model;

[0038] Figure 2 For the present utility model Figure 1 An enlarged schematic diagram of the structure at A in the present utility model;

[0039] Figure 3 It is a side view schematic diagram of the positioning block of the present utility model;

[0040] Figure 4 It is a side view schematic diagram of the limiting block of the present utility model;

[0041] Figure 5 It is a side view schematic diagram of the circular groove of the present utility model;

[0042] Figure 6 It is a side view schematic diagram of the hollow tube of the present utility model;

[0043] Figure 7 It is a front view schematic diagram of the hollow tube of the present utility model;

[0044] Figure 8 It is a schematic diagram of the usage state of the structure of the present utility model.

[0045] In the figure: bearing platform 10, end-bearing pile 20, load regulator 30, upper end plate 31, lower end plate 32, upper casing 33, lower casing 34, angled plate member 35, positioning block 40, positioning groove 41, limiting block 42, first sliding groove 50, second sliding groove 51, circular groove 52, sliding rod 53, limiting rod 54, hollow tube 55, circular plate 56, driving plate 57, spring 58, square plate 59, connecting plate 591, rubber plate 592, U-shaped plate 593. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0046] To make the objectives, technical solutions, and advantages of the present utility model clearer, the following will further describe the embodiments of the present utility model in detail with reference to the accompanying drawings.

[0047] The present utility model provides a pile-soil load regulator for a composite pile foundation. Please refer to Figures 1-8, including a bearing platform 10 and end-bearing piles 20. A load regulator 30 is fixedly installed between the bearing platform 10 and the end-bearing piles 20. The load regulator 30 includes an upper end plate 31 and a lower end plate 32. An upper casing 33 is fixedly installed at the bottom of the upper end plate 31, and a lower casing 34 is fixedly installed at the top of the lower end plate 32. The lower casing 34 is slidably connected in the upper casing 33. A number of angled plate members 35 are detachably connected between the upper end plate 31 and the lower end plate 32 through a connecting assembly.

[0048] The connecting assembly includes: a positioning block 40, a positioning groove 41, and a limiting block 42;

[0049] Positioning blocks 40 are fixedly installed at both ends of the angled plate member 35. The positioning groove 41 is opened in the positioning block 40. A number of limiting blocks 42 are fixedly installed at the opposite ends of the upper end plate 31 and the lower end plate 32, and the limiting blocks 42 are inserted into the positioning groove 41.

[0050] It also includes: a fixing assembly for fixing the limiting block 42 in the positioning groove 41;

[0051] The fixing assembly includes: a first sliding groove 50, a second sliding groove 51, a circular groove 52, a sliding rod 53, a limiting rod 54, a hollow tube 55, a circular plate 56, a driving plate 57, a spring 58, a square plate 59, a connecting plate 591, a rubber plate 592, and a U-shaped plate 593;

[0052] First sliding grooves 50 are opened on the outer sides of both the positioning block 40 and the limiting block 42. Second sliding grooves 51 are opened at both ends of the outer sides of the positioning block 40 and the limiting block 42. The second sliding grooves 51 are located on both sides of the first sliding groove 50, and the second sliding grooves 51 are connected to the first sliding groove 50. The circular groove 52 is opened in the middle of the limiting block 42, and the circular groove 52 is connected to the second sliding groove 51 and the first sliding groove 50. The sliding rod 53 is slidably connected in the first sliding groove 50. Limiting rods 54 are fixedly installed on both sides of one end of the sliding rod 53, and the limiting rods 54 pass through the second sliding groove 51 and are located in the circular groove 52. The hollow tube 55 is fixedly installed on the outer surface of the positioning block 40. The circular plate 56 is fixedly installed at the other end of the sliding rod 53. The driving plate 57 is fixedly installed on one side of the circular plate 56. The spring 58 is sleeved on the sliding rod 53, and both ends of the spring 58 are fixedly connected to the circular plate 56 and the positioning block 40 respectively. Two groups of square plates 59 are fixedly installed at both ends of the outer surface of the circular plate 56. The connecting plate 591 is fixedly installed on the inner surface of the hollow tube 55. The rubber plate 592 is fixedly installed at one end of the connecting plate 591. The U-shaped plate 593 is fixedly installed on the outer side of the inner cavity of the hollow tube 55; wherein, the two groups of square plates 59 can be inserted into the U-shaped plate 593 with an interference fit, and the generated insertion force is greater than the elastic force of the spring 58.

[0053] When the angled plate member 35 needs to be installed, the specific steps are as follows:

[0054] Step 1: Through the driving plate 57, the limiting rod 54 is located in the second chute 51 on the positioning block 40, and the square plate 59 is inserted into the U-shaped plate 593. During this process, the spring 58 will deform;

[0055] Step 2: Insert the limiting block 42 into the positioning groove 41. After the limiting block 42 is completely inserted, the first chute 50 and the second chute 51 on the positioning block 40 will be aligned with the first chute 50 and the second chute 51 on the limiting block 42 one by one;

[0056] Step 3: Make the limiting rod 54 pass through the second chute 51 and be located in the circular groove 52. Then, rotate the sliding rod 53 through the driving plate 57 until the rubber plate 592 is located between the two square plates 59. At this time, the limiting rod 54 will be misaligned with the second chute 51. Thus, the folding angle plate 35 can be installed. Among them, when the rubber plate 592 enters between the two square plates 59 or exits from between the two square plates 59, a blocking force will be generated.

[0057] Although the present invention has been described above with reference to the embodiments, various improvements can be made to it and its components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the disclosed embodiments of the present invention can be combined with each other in any way. The exhaustive description of these combinations is not given in this specification only for the sake of saving space and resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A pile-soil load regulator for a composite pile foundation, comprising a cap (10) and an end bearing pile (20), wherein a load regulator (30) is fixedly installed between the cap (10) and the end bearing pile (20), wherein the load regulator (30) comprises an upper end plate (31) and a lower end plate (32), wherein an upper casing (33) is fixedly installed at the bottom of the upper end plate (31), and a lower casing (34) is fixedly installed at the top of the lower end plate (32), and the lower casing (34) is slidably connected to the upper casing (33), wherein the load regulator (30) comprises an upper end plate (31) and a lower end plate (32), wherein the upper end plate (31) and the lower end plate (32) are ... and wherein the load regulator (30) comprises an upper end plate (31) and a lower end plate (32), wherein the upper end plate (31) and the lower end plate (32) are fixedly installed at the bottom of the upper end plate (31), and the lower casing (34) is slidably connected to the upper casing (33), and wherein the load regulator (30) comprises an upper end plate (31) and a lower end plate (32), wherein the upper end plate (31) and the lower end plate (32) are fixedly installed at the top of the lower end plate (32), and the lower casing (34) is slidably connected to the upper casing (33), and wherein the load regulator (30) comprises an upper end plate (31) and a A plurality of angled plate members (35) are detachably connected between the upper end plate (31) and the lower end plate (32) via a connecting assembly.

2. A pile-soil load regulator for composite pile foundation according to claim 1, characterized in that: The connection component comprises: Positioning blocks (40), with positioning blocks (40) being fixedly mounted on both ends of the angled plate (35); A positioning groove (41), wherein the positioning groove (41) is formed in the positioning block (40); Limit blocks (42), a plurality of limit blocks (42) are fixedly mounted on opposite ends of the upper end plate (31) and the lower end plate (32), and the limit blocks (42) are inserted into the positioning grooves (41).

3. A pile-soil load regulator for composite pile foundation according to claim 2, characterized in that: Also includes: A fixing assembly for fixing the limit block (42) in the positioning groove (41); The fixing assembly comprises: A first sliding groove (50), wherein the outer sides of the positioning block (40) and the limiting block (42) are both provided with a first sliding groove (50); A second slide groove (51), wherein the second slide grooves (51) are provided at both ends of the outer sides of the positioning block (40) and the limiting block (42), the second slide grooves (51) are located on both sides of the first slide groove (50), and the second slide groove (51) is connected to the first slide groove (50); A circular groove (52), wherein the circular groove (52) is formed in the middle of the limiting block (42), and the circular groove (52) is connected to the second sliding groove (51) and the first sliding groove (50).

4. A pile-soil load regulator for composite pile foundation according to claim 3, characterized in that: The fixing assembly also includes: A sliding rod (53), the sliding rod (53) being slidably connected in the first sliding groove (50); A limiting rod (54), wherein the limiting rods (54) are fixedly mounted on both sides of one end of the sliding rod (53), and the limiting rod (54) passes through the second sliding groove (51) and is located in the circular groove (52).

5. The pile-soil load regulator for composite pile foundation according to claim 4, characterized in that: The fixing assembly also includes: A hollow tube (55), wherein the hollow tube (55) is fixedly mounted on the outer surface of the positioning block (40); A circular plate (56) is fixedly mounted on the other end of the sliding rod (53).

6. A pile-soil load regulator for composite pile foundation according to claim 5, characterized in that: The fixing assembly also includes: A driving plate (57), wherein the driving plate (57) is fixedly mounted on one side of the circular plate (56); A spring (58) is sleeved on the slide rod (53), and two ends of the spring (58) are respectively fixedly connected to the circular plate (56) and the positioning block (40).

7. A pile-soil load regulator for composite pile foundation according to claim 6, characterized in that: The fixing assembly also includes: Square plates (59), two sets of square plates (59) are fixedly mounted on both ends of the outer surface of the circular plate (56); A connecting plate (591), wherein the connecting plate (591) is fixedly mounted on the inner surface of the hollow tube (55).

8. The pile-soil load regulator for composite pile foundation according to claim 7, characterized in that: The fixing assembly also includes: A rubber plate (592), wherein the rubber plate (592) is fixedly mounted on one end of the connecting plate (591); A U-shaped plate (593), wherein the U-shaped plate (593) is fixedly mounted on the outer side of the inner cavity of the hollow tube (55).

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