Civil engineering composite pile

Abstract

The utility model discloses a civil engineering composite pile, relates to composite pile technical field, including Larsen steel plate, round pipe pile, insert, jack shoe, first sloping block, first cooperation block, second sloping block and second cooperation block, Larsen steel plate left and right sides are connected with insert, the insert is T-shaped setting, round pipe pile left and right sides are connected with jack shoe, second sloping block and second cooperation block are connected with jack shoe. The clamping shoe is composed of two pieces of L-shaped angle steel symmetrically, the inserting pieces are matched with the clamping shoe, the two sides of the lower portion of the inserting piece on the right side are both connected with first inclined blocks, the two sides of the lower portion of the clamping shoe on the left side are both connected with first matching blocks, the two sides of the lower portion of the clamping shoe on the right side are both connected with second inclined blocks, and the first matching blocks are matched with the second inclined blocks. Second matching blocks are connected to the two sides of the lower portion of the inserting piece on the left side. When the pile is inserted from top to bottom, the friction between two adjacent pile bodies is reduced when the two adjacent pile bodies have a certain moving space, so that the pile bodies can be quickly and smoothly moved downwards to be spliced until the pile bodies reach the bottom, and the tight splicing is completed.

Description

Technical Field

[0001] The utility model relates to the technical field of combined piles, in particular to a civil engineering combined pile. Background Art

[0002] The PC method combined steel pipe pile is a new type of retaining pile technology. Its predecessor is the traditional Larsen steel plate. The PC method combined steel pipe is to combine Larsen piles with steel pipes, steel sections and other materials to form a combination of various cross-sections for retaining soil and stopping water. During the construction process, the method combination form suitable for the construction can be selected according to the actual situation of the foundation pit project. It is suitable for retaining structures of deep foundation pit projects with poor soil quality and various complex structures that need support and protection. It is also suitable for cofferdams, urban underground pipeline integrated pipeline corridors, trenches, corridor shafts, subway foundation pits and other projects

[0003] Traditional Larsen combination piles are connected by locks. Due to the tight fit between the locks, when the pile bodies are inserted and assembled one by one, the friction is too great to be smoothly assembled, and multiple corrections are required. Utility Model Content

[0004] In view of the above problems, the utility model provides a civil engineering composite pile, in which two adjacent pile bodies have a certain movable space, which reduces the friction between them and enables them to move down and splice quickly and smoothly until the pile bodies reach the bottom and complete the tight splicing.

[0005] The technical solution adopted to solve the above technical problems is: a civil engineering composite pile, including a Larsen steel plate, a circular tube pile, a plug-in, a clamping shoe, a first oblique block, a first matching block, a second oblique block and a second matching block, the Larsen steel plate is connected to the left and right sides of the plug-in, the plug-in is arranged in a "T" shape, the left and right sides of the circular tube pile are connected to the clamping shoe, the clamping shoe is symmetrically composed of two "L"-shaped angle steels, the plug-in is matched with the clamping shoe, the two sides below the plug-in on the right side are connected to the first oblique block, the two sides below the clamping shoe on the left side are connected to the first matching block, the two sides below the clamping shoe on the right side are connected to the second oblique block, and the two sides below the plug-in on the left side are connected to the second matching block.

[0006] Furthermore, it also includes a sealing steel bar, which is integrally connected to the plug-in, and the sealing steel bar is provided with an arc surface, and the sealing steel bar is in contact with the outer wall of the circular tube pile.

[0007] Furthermore, it also includes a first locking block and a second locking block. The first locking blocks are connected to both sides above the plug-in on the right side, and the second locking blocks are connected to both sides above the card shoe on the right side.

[0008] Furthermore, it also includes a circular lock buckle and a short pull plate. The circular lock buckle is connected to the front side of the circular tube pile. The short pull plate is arranged in a semicircle. The short pull plate is connected to the circular lock buckle through a circular tube pin.

[0009] Furthermore, it also includes: a reinforcement ring is provided at the upper end of the circular tube pile.

[0010] When the pile body is inserted from top to bottom, the two adjacent pile bodies have a certain movable space, which reduces the friction and enables them to move down and be spliced quickly and smoothly until the pile body reaches the bottom, completing the tight splicing. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0012] Figure 2 This is a schematic diagram of the plug-in structure of the utility model.

[0013] Figure 3 For the utility model Figure 1 Enlarged view of point A in the middle.

[0014] Figure 4 This is a schematic diagram of the short pull plate structure of the present utility model.

[0015] Figure 5 This is a schematic diagram of the position of the first inclined block of the present utility model.

[0016] Figure 6 This is a schematic diagram of the position of the second inclined block of the present invention.

[0017] Figure numerals: 1. Larsen steel plate; 2. Round tube pile; 3. Plug-in; 4. Cardan shoe; 5. First oblique block; 6. First matching block; 7. Second oblique block; 8. Second matching block; 9. Sealing steel strip; 10. First locking block; 11. Second locking block; 12. Round lock buckle; 13. Short pull plate; 14. Round tube pin; 15. Reinforcement ring. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0019] like Figures 1-6 As shown, a civil engineering composite pile provided in this embodiment includes a Larsen steel plate 1, a circular tube pile 2, a plug-in 3, a card shoe 4, a first oblique block 5, a first matching block 6, a second oblique block 7 and a second matching block 8. The Larsen steel plate 1 is connected to the left and right sides of the plug-in 3, and the plug-in 3 is arranged in a "T" shape. The circular tube pile 2 is connected to the left and right sides of the card shoe 4, and the card shoe 4 is symmetrically composed of two "L"-shaped angle steels. The plug-in 3 cooperates with the card shoe 4. The two sides below the right plug-in 3 are connected to the first oblique blocks 5, and the two sides below the left card shoe 4 are connected to the first matching blocks 6. After the first oblique block 5 moves downward, it is squeezed against the first matching block 6 for tightening the plug-in 3 and the card shoe 4. The two sides below the right card shoe 4 are connected to the second oblique blocks 7, and the two sides below the left plug-in 3 are connected to the second matching blocks 8. The second oblique block 7 and the second matching block 8 are squeezed against each other for tightening the plug-in 3 and the card shoe 4.

[0020] In the above embodiments, the 'left' and 'right' directions of the present invention are as follows: Figure 1 The installation direction shown is used as a reference, and the Larsen steel plate 1 and the round tube pile 2 are spliced from right to left. Taking the round tube pile 2 as the first pile body, the first round tube pile 2 is inserted into the foundation, and then the Larsen steel plate 1 is inserted and spliced with the first round tube pile 2. The plug-in 3 on the right is inserted into the card shoe 4 on the left side of the round tube pile 2. When the plug-in 3 moves down and is not completely inserted to the bottom, the plug-in 3 has a certain range of movement in the card shoe 4 to prevent it from having a large friction force. The splicing operation can be completed smoothly and quickly. When the plug-in 3 moves to the bottom, the first inclined block below the right plug-in 3 5 abuts against the first matching block 6 of the left clamping shoe 4, so that the two are tightened against each other, thereby forming a tight structure. Similarly, when inserting the second round tube pile 2, the second oblique block 7 on the right clamping shoe 4 abuts against the second matching block 8 on the left plug-in 3, and the two are squeezed against each other, so that the clamping shoe 4 and the plug-in 3 are tightened against each other. The insertion is repeated to complete the assembly. Through the above components, when inserting piles from top to bottom, the two adjacent piles have a certain amount of movement space, which reduces their friction and enables them to move down quickly and smoothly for splicing until the piles reach the bottom and complete the tight splicing.

[0021] Specifically, it also includes a sealing steel bar 9 , which is integrally connected to the plug-in 3 , has an arc surface, and fits the sealing steel bar 9 to the outer wall of the circular tube pile 2 .

[0022] In the above embodiment, after the plug-in 3 and the card shoe 4 are completely spliced together, the arc surface of the sealing steel strip 9 completely abuts against the outer wall of the circular tube pile 2, and the plug-in 3 and the card shoe 4 themselves form a good waterproof structure. The sealing steel strip and the plug-in 3 cooperate to realize a multi-layer waterproof structure.

[0023] Specifically, it also includes a first locking block 10 and a second locking block 11. The first locking blocks 10 are connected to both sides above the right plug-in 3, and the second locking blocks 11 are connected to both sides above the right card shoe 4.

[0024] In the above embodiments, when plugging from top to bottom, the first locking block 10 and the second locking block 11 play an auxiliary role to improve the stability of the pile body.

[0025] Specifically, it also includes a circular lock buckle 12 and a short pull plate 13. The circular lock buckle 12 is connected to the front side of the circular tube pile 2. The short pull plate 13 is arranged in a semicircular shape. The short pull plate 13 is connected to the circular lock buckle 12 through a circular tube pin 14.

[0026] In the above embodiments, double-row piles are required in some cases, but the cost of double-row piles is high and the construction is difficult. By replacing the double-row piles with short pull plates 13, a quick pile insertion operation is achieved with good stability.

[0027] Specifically, the upper end of the circular tube pile 2 is provided with a reinforcement ring 15 .

[0028] In the above embodiment, the upper end of the conventional round tubular pile 2 will be deformed after being pulled out. The reinforcement ring 15 is provided to facilitate the clamping of the pile puller and to increase the service life of the round tubular pile 2.

[0029] The working principle of this utility model is as follows: Figure 1 The installation direction shown is used as a reference, and the Larsen steel plate 1 and the round tube pile 2 are spliced from right to left. Taking the round tube pile 2 as the first pile body, the first round tube pile 2 is inserted into the foundation, and then the Larsen steel plate 1 is inserted and spliced with the first round tube pile 2. The plug-in 3 on the right is inserted into the card shoe 4 on the left side of the round tube pile 2. When the plug-in 3 moves down and is not completely inserted to the bottom, the plug-in 3 has a certain range of movement in the card shoe 4 to prevent it from having a large friction force. The splicing operation can be completed smoothly and quickly. When the plug-in 3 moves to the bottom, the first inclined block below the right plug-in 3 5 abuts against the first matching block 6 of the left clamping shoe 4, so that the two are tightened against each other, thereby forming a tight structure. Similarly, when inserting the second round tube pile 2, the second oblique block 7 on the right clamping shoe 4 abuts against the second matching block 8 on the left plug-in 3, and the two are squeezed against each other, so that the clamping shoe 4 and the plug-in 3 are tightened against each other. The insertion is repeated to complete the assembly. Through the above components, when inserting piles from top to bottom, the two adjacent piles have a certain amount of movement space, which reduces their friction and enables them to move down quickly and smoothly for splicing until the piles reach the bottom and complete the tight splicing.

[0030] The above description is merely a preferred embodiment of the present invention and is not intended to limit the scope of protection of the present invention.

Claims

1. A civil engineering composite pile, comprising a Larsen steel plate (1) and a circular tube pile (2), characterized in that: Also includes: Plug-in (3), the left and right sides of the Larsen steel plate (1) are both connected with plug-in (3), and the plug-in (3) is arranged in a "T" shape; Clamping shoes (4), the left and right sides of the circular tube pile (2) are both connected with clamping shoes (4), the clamping shoes (4) are symmetrically composed of two "L"-shaped angle steels, and the plug-in (3) is matched with the clamping shoes (4); A first oblique block (5), both sides of the lower portion of the right plug-in unit (3) are connected to the first oblique block (5); A first matching block (6), both sides below the left-side card shoe (4) are connected to the first matching block (6); A second inclined block (7), with both sides below the right-side card shoe (4) being connected to a second inclined block (7); The second matching block (8) is connected to both sides of the lower side of the left plug-in unit (3).

2. A civil engineering composite pile according to claim 1, characterized in that: Also includes: A sealing steel strip (9) is integrally connected to the plug-in unit (3), and the sealing steel strip (9) is provided with an arc surface; The sealing steel strip (9) is in contact with the outer wall of the circular tube pile (2).

3. A civil engineering composite pile according to claim 1, characterized in that: Also includes: A first locking block (10), with first locking blocks (10) connected to both sides above the plug-in unit (3) on the right side; A second locking block (11) is connected to both sides of the upper portion of the card shoe (4) on the right side.

4. A civil engineering composite pile according to claim 1, characterized in that: Also includes: A circular lock buckle (12) connected to the front side of the circular tube pile (2); The short pull plate (13) is arranged in a semicircular shape, and the short pull plate (13) is connected to the circular lock buckle (12) via a round tube latch (14).

5. The civil engineering composite pile according to claim 1, characterized in that: Also includes: A reinforcement ring (15) is provided at the upper end of the circular tube pile (2).

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