Pile cap pad
By designing a pile cap pad including a wire cage, wire pile cap pad, fixing ring, square lifting ring and adjustment components, the problem of insufficient compressive strength of concrete in PHC pile construction is solved, and better buffering effect and stability are achieved , ensuring the integrity and uniform stress of PHC piles.
Patent Information
- Application Number
- CN202420386531.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-29
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-02-28
AI Technical Summary
During the construction of PHC piles, due to insufficient compressive strength of concrete, the integrity of PHC piles cannot be guaranteed through pile cap buffering alone. It is usually necessary to add buffering materials to strengthen the buffering effect and uniform stress.
A pile cap pad is designed, including a wire cage, a wire pile cap pad, a fixing ring, a square suspending ring and an adjustment assembly. The wire cage is a container for holding the wire pile cap pads. It is connected by wire binding. Square lifting rings and adjustment components are provided on the fixing rings. The adjustment components can adjust the position of the lifting rings to accommodate spreaders of different sizes.
Through this pile cap pad, the use of buffer materials can be effectively increased, the stability and scope of application of pile caps can be improved, and the PHC piles can be subjected to uniform stress during construction, reducing damage to foundation piles.
Smart Images
Figure CN222477444U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of construction engineering tools, in particular to a pile cap pad. Background Art
[0002] When a pile-driving ship is driving piles, a pile cap is added between the pile hammer and the foundation pile to transfer the pile driving stress from the pile hammer to the foundation pile. The purpose is to ensure uniform force distribution and prevent the foundation pile from being damaged by huge impact force.
[0003] However, during the construction of PHC piles (PHC piles, the full name is prestressed high-strength concrete piles, which are slender hollow equal-section precast concrete components made by advanced processes such as prestressing by pre-tensioning method and adding ground materials, high-efficiency water reducing agent, etc.), since the compressive strength of concrete is far inferior to that of steel pipe piles, the integrity of the PHC piles cannot be guaranteed only by pile cap buffering. It is often necessary to add buffering materials to strengthen the buffering effect and evenly bear the force. For this reason, a pile cap pad is proposed. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides a pile cap pad to solve the problems mentioned in the above background.
[0005] The utility model provides the following technical solutions: a pile cap pad, comprising: a wire cage and a wire pile cap pad, the wire cage is used as a container for holding the wire pile cap pad, the wire pile cap pad and the wire cage are connected by wire binding, a fixing ring is fixedly installed on the wire cage, the fixing ring is slidably provided with eight square lifting rings, four lifting points are also provided on the fixing ring, each lifting point includes two square lifting rings; an adjusting component, the adjusting component is movably provided on the fixing ring, and the adjusting component can adjust the positions of the two square lifting rings in each lifting point.
[0006] Preferably, the adjustment assembly includes an operating handle, a first rotating ring, an insert block, a sliding ring, and a reset spring, the operating handle is threadedly arranged on the insert block, the insert block is fixedly mounted on the first rotating ring, the first rotating ring is movably arranged on the fixed ring, the sliding ring is slidably arranged on the fixed ring and is rotatably connected to the first rotating ring, and the two ends of the reset spring are respectively fixedly connected to the sliding ring and the fixed ring.
[0007] Preferably, the adjustment assembly also includes a second rotating block, an insertion rod, eight L-shaped racks and four center gears. The second rotating block is rotatably arranged inside the fixed ring, one end of the insertion rod is fixedly connected to the second rotating block, and the other end of the insertion rod is plugged into the first rotating ring, the L-shaped rack is slidably arranged on the fixed ring and meshes with the center gear, the center gear is rotatably arranged on the fixed ring, and an annular tooth meshing with the center gear is opened on the inner side of the second rotating block.
[0008] Preferably, each hanging point includes two L-shaped racks and a central gear in the adjustment assembly, wherein each L-shaped rack is fixedly connected to each square hanging ring, and the two L-shaped racks and the two square hanging rings are symmetrically arranged on both sides of the central gear.
[0009] Preferably, the two square lifting rings in each lifting point are horizontally staggered to form a cavity, and the cavity formed by the horizontal staggering is used to connect the lifting device.
[0010] Preferably, the second rotating block is located above the first rotating ring, and the sliding ring is located below the first rotating ring.
[0011] Preferably, a plurality of key slots are arranged in a circumferential array on the fixing ring, and each key slot cooperates with the plug block.
[0012] Preferably, there are two operating handles in total, and each operating handle is provided with anti-slip grooves.
[0013] Compared with the prior art, the utility model has the following beneficial effects:
[0014] 1. The pile cap pad is provided with a wire cage as a container for holding the pile cap pad, and a square lifting ring and a fixing ring are provided, so that workers can lift it to the top of the pile cap conveniently and take it out in time after use. Multiple layers of wire pile cap pads can be placed inside according to specific needs. The wire pile cap pad is made by welding discarded wire ropes. Specifically, the discarded wire ropes are cut into small sections according to size requirements, and the sections are arranged horizontally and vertically in sequence. The nodes are connected as a whole by binding with steel wires, so that the purpose of strengthening the buffering effect can be achieved with a lower production cost.
[0015] 2. The pile cap pad uses two cross-set square lifting rings as a lifting point of the whole device. During actual lifting, the lifting tool is passed through the cavity formed by the horizontal staggered two square lifting rings to improve the stability of the whole device during lifting. The adjustment component arranged on the fixed ring can adjust the size of the cavity formed by the intersection of the two square lifting rings, so that the whole device can be suitable for lifting tools of different sizes, thereby expanding the application range of the whole device and improving its practicability. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the structure of the operating handle of the utility model;
[0018] Figure 3 This is a schematic diagram of the structure of the reset spring of the utility model;
[0019] Figure 4 This is a schematic diagram of the L-shaped rack structure of the utility model;
[0020] Figure 5 This is a schematic diagram of the central gear structure of the utility model.
[0021] In the figure: 1. Wire cage; 2. Fixed ring; 3. Square lifting ring; 4. Wire pile cap pad; 5. Adjustment assembly; 51. Operating handle; 52. First rotating ring; 53. Insert block; 54. Sliding ring; 55. Reset spring; 56. Second rotating block; 57. Insert rod; 58. L-shaped rack; 59. Center gear. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] See also Figure 1-5 A pile cap pad comprises: a wire cage 1 and a wire pile cap pad 4, the wire cage 1 is used as a container for holding the wire pile cap pad 4, the wire pile cap pad 4 is connected to the wire cage 1 by wire binding, a fixing ring 2 is fixedly installed on the wire cage 1, and eight square lifting rings 3 are slidably provided on the fixing ring 2. Four lifting points are also provided on the fixing ring 2, and each lifting point includes two square lifting rings 3; the two square lifting rings 3 in each lifting point are horizontally staggered to form a cavity, and the cavity formed by the horizontal staggering is used to connect the lifting device to improve the stability of the overall lifting to achieve the pre-established purpose.
[0024] An adjusting component 5 is movably arranged on the fixed ring 2, and the adjusting component 5 can adjust the positions of the two square hanging rings 3 in each hanging point. The adjusting component 5 includes an operating handle 51, a first rotating ring 52, an insert block 53, a sliding ring 54, and a reset spring 55. The operating handle 51 is threadedly arranged on the insert block 53, and the insert block 53 is fixedly installed on the first rotating ring 52. The first rotating ring 52 is movably arranged on the fixed ring 2, the sliding ring 54 is slidably arranged on the fixed ring 2 and is rotatably connected to the first rotating ring 52, and the two ends of the reset spring 55 are respectively fixedly connected to the sliding ring 54 and the fixed ring 2. The adjusting component 5 also includes a second rotating block 56, an insert rod 57, eight L-shaped racks 58 and four central gears 59. The second rotating block 56 is rotatably arranged inside the fixed ring 2, one end of the insert rod 57 is fixedly connected to the second rotating block 56, and the other end of the insert rod 57 is fixedly connected to the first rotating ring 5 2 plug-in, the L-shaped rack 58 is slidably arranged on the fixed ring 2 and meshes with the central gear 59, the central gear 59 is rotatably arranged on the fixed ring 2, and an annular tooth meshing with the central gear 59 is provided on the inner side of the second rotating block 56. Each hanging point includes two L-shaped racks 58 and one central gear 59 in the adjustment component 5, wherein each L-shaped rack 58 is fixedly connected to each square hanging ring 3, and the two L-shaped racks 58 and the two square hanging rings 3 are symmetrically arranged on both sides of the central gear 59. The second rotating block 56 is located above the first rotating ring 52, and the sliding ring 54 is located below the first rotating ring 52. A plurality of key slots are arranged in a circumferential array on the fixed ring 2, and each key slot cooperates with the insert block 53. There are two operating handles 51 in total, and each operating handle 51 is provided with anti-slip grooves to ensure that the established structure can operate stably and reasonably, while enhancing the flexibility of the overall device.
[0025] Working principle: the wire cage 1 and the wire pile cap pad 4 are both made of steel wire. The wire cage 1 is used as a container for the pile cap pad. Multiple layers of wire pile cap pads 4 can be placed inside the cage according to specific needs. The whole device is placed on the top of the pile cap using a sling and a square lifting ring 3. The combined buffering effect of the wire pile cap pad 4 and the pile cap protects the foundation pile and evenly distributes the force.
[0026] The operating handle 51 is threadedly connected to the plug block 53, the plug block 53 is fixed on the first rotating ring 52 and is also plugged into the fixed ring 2, the first rotating ring 52 is movably set on the fixed ring 2, the sliding ring 54 is slidably set on the fixed ring 2, the first rotating ring 52 is also rotatably connected to the sliding ring 54, the two ends of the reset spring 55 are respectively fixedly connected to the sliding ring 54 and the fixed ring 2, the second rotating block 56 is also rotatably set on the fixed ring 2, one end of the plug rod 57 is fixed on the second rotating block 56, and the other end of the plug rod 57 is plugged into the first rotating ring 52, the L-shaped rack 58 is fixed on the square hanging ring 3, and the square hanging ring 3 also slides on the fixed ring 2 through the L-shaped rack 58, and the central gear 59 rotates inside the fixed ring 2 and is also connected to the two L-shaped racks 58 is engaged, and the inner side of the second rotating block 56 is provided with an annular tooth engaged with the central gear 59. The operating handle 51 is pressed downward so that the insert block 53 does not contact the fixed ring 2. At this time, the first rotating ring 52 can be rotated, and the second rotating block 56 rotates synchronously. Under the connection of the annular tooth on the inner side of the second rotating block 56, the central gear 59 rotates synchronously, and the two L-shaped racks 58 will drive the two square hanging rings 3 to slide in opposite directions, thereby changing the size of the cavity formed between the two square hanging rings 3 to meet the use of hangers of different sizes. After releasing the operating handle 51, under the action of the reset spring 55, the insert block 53 slides upward and is inserted into the fixed ring 2 again to limit the rotation of the first rotating ring 52, thereby limiting the position of the square hanging ring 3 and improving stability.
[0027] Although the 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 cap pad, characterized in that: include: A wire cage (1) and a wire pile cap pad (4), wherein the wire cage (1) is used as a container for holding the wire pile cap pad (4), the wire pile cap pad (4) and the wire cage (1) are connected by steel wire binding, a fixing ring (2) is fixedly mounted on the wire cage (1), the fixing ring (2) is slidably provided with eight square lifting rings (3), and four lifting points are also provided on the fixing ring (2), each lifting point includes two square lifting rings (3); An adjusting component (5) is movably arranged on the fixing ring (2), and the adjusting component (5) can adjust the positions of the two square hanging rings (3) in each hanging point.
2. A pile cap pad according to claim 1, characterized in that: The adjustment component (5) comprises an operating handle (51), a first rotating ring (52), an insert block (53), a sliding ring (54), and a reset spring (55); the operating handle (51) is threadedly arranged on the insert block (53); the insert block (53) is fixedly mounted on the first rotating ring (52); the first rotating ring (52) is movably arranged on the fixed ring (2); the sliding ring (54) is slidably arranged on the fixed ring (2) and is rotatably connected to the first rotating ring (52); and the two ends of the reset spring (55) are respectively fixedly connected to the sliding ring (54) and the fixed ring (2).
3. A pile cap pad according to claim 2, characterized in that: The adjustment assembly (5) also includes a second rotating block (56), an insert rod (57), eight L-shaped racks (58) and four center gears (59); the second rotating block (56) is rotatably arranged inside the fixed ring (2); one end of the insert rod (57) is fixedly connected to the second rotating block (56), and the other end of the insert rod (57) is plugged into the first rotating ring (52); the L-shaped rack (58) is slidably arranged on the fixed ring (2) and meshes with the center gear (59); the center gear (59) is rotatably arranged on the fixed ring (2); and an annular tooth meshing with the center gear (59) is provided on the inner side of the second rotating block (56).
4. A pile cap pad according to claim 3, characterized in that: Each of the hanging points comprises two L-shaped racks (58) and a central gear (59) in the adjustment component (5), wherein each of the L-shaped racks (58) is fixedly connected to each of the square hanging rings (3), and the two L-shaped racks (58) and the two square hanging rings (3) are symmetrically arranged on both sides of the central gear (59).
5. A pile cap pad according to claim 4, characterized in that: The two square lifting rings (3) in each lifting point are arranged horizontally and staggered to form a cavity, and the cavity formed by the horizontal staggering is used to connect the lifting device.
6. A pile cap pad according to claim 3, characterized in that: The second rotating block (56) is located above the first rotating ring (52), and the sliding ring (54) is located below the first rotating ring (52).
7. A pile cap pad according to claim 2, characterized in that: The fixing ring (2) is provided with a plurality of key slots in a circumferential array, and each key slot cooperates with an insert block (53).
8. A pile cap pad according to claim 2, characterized in that: There are two operating handles (51) in total, and each operating handle (51) is provided with anti-slip grooves.