Concrete pouring enclosure device for pile foundation construction

Abstract

The utility model relates to the technical field of pile foundation construction, and discloses a pile foundation construction concrete pouring enclosure device which comprises a first lower enclosure plate and a second lower enclosure plate, the right side of the first lower enclosure plate is provided with the second lower enclosure plate, the top end of the first lower enclosure plate is provided with a first upper enclosure plate, and the right side of the first upper enclosure plate is provided with a second upper enclosure plate. According to the pile foundation construction concrete pouring enclosure device, when the enclosure device is used, a first arc-shaped enclosure plate and a second arc-shaped enclosure plate can be installed in a first lower enclosure plate and a first upper enclosure plate and in a second upper enclosure plate and a second lower enclosure plate correspondingly; a complete cylinder can be formed inside the pouring device, some cylindrical pile foundations can be poured and used, the using state of the pouring device can be flexibly switched and adjusted, and the problem that the pouring shape state of an enclosure inside the enclosure device is inconvenient to adjust and switch is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of pile foundation construction, in particular to a concrete pouring and enclosing device for pile foundation construction. Background Technique

[0002] A pile foundation is a deep foundation composed of several piles and a pile cap on the top of the piles, which is mainly used to transfer all or part of the loads of a building to the foundation soil and has a certain stiffness and bending resistance. During the construction and pouring of concrete in the pile columns inside the pile foundation, in order to shape the pile columns and ensure the accuracy of the pouring construction of the pile columns, a concrete pouring and enclosing device is needed to preset and enclose the pouring shape of the pile columns.

[0003] However, when the concrete pouring and enclosing device for pile foundation construction is used to enclose the concrete during the pouring of the pile foundation, it can generally only enclose and pour some fixed shapes, such as square pile foundations. When it is necessary to pour and process some cylindrical pile foundations, different enclosures need to be replaced, and the pouring process is very cumbersome, which has deficiencies and is not convenient to adjust and switch the enclosing and pouring shape states inside the enclosing device.

[0004] Now, a new type of concrete pouring and enclosing device for pile foundation construction is proposed to solve the above deficiencies. Content of the Utility Model

[0005] The purpose of the utility model is to provide a concrete pouring and enclosing device for pile foundation construction to solve the problem of inconvenient adjustment and switching of the enclosing and pouring shape states inside the enclosing device as proposed in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A concrete pouring and enclosing device for pile foundation construction, including a first lower enclosing plate and a second lower enclosing plate. The second lower enclosing plate is arranged on the right side of the first lower enclosing plate. The top end of the first lower enclosing plate is provided with a first upper enclosing plate, and the second upper enclosing plate is arranged on the right side of the first upper enclosing plate. First arc enclosing plates are respectively arranged inside the first lower enclosing plate and the first upper enclosing plate. Second arc enclosing plates are respectively arranged inside the second upper enclosing plate and the second lower enclosing plate. Threaded holes are respectively opened inside the left side of the first arc enclosing plate and the right side of the second arc enclosing plate. Through holes are respectively opened inside the left side of the first lower enclosing plate and the first upper enclosing plate and the right side of the second upper enclosing plate and the second lower enclosing plate, and locking rods are penetrated through the inside of the through holes.

[0007] Further, three groups of through holes and locking rods are equidistantly arranged on the left sides of the first lower enclosing plate and the first upper enclosing plate and on the right sides of the second upper enclosing plate and the second lower enclosing plate respectively. Three groups of threaded holes are equidistantly arranged inside the left side of the first arc enclosing plate and inside the right side of the second arc enclosing plate respectively. The locking rods are respectively rotatably connected inside the through holes and the threaded holes.

[0008] Preferably, fixing frames are respectively fixed on the left sides, both ends of the first lower enclosing plate and the first upper enclosing plate, and on the right sides, both ends of the second upper enclosing plate and the second lower enclosing plate. A fixing bolt is arranged at the front end of the fixing frame. The rear end of the fixing bolt penetrates through the inside of the fixing frame and is rotatably connected with a fixing nut. A support cylinder is arranged at the bottom end of the fixing frame. A support rod is arranged inside the top end of the support cylinder. A connecting head is fixedly welded at the top end of the support rod. The bottom end of the support cylinder is hinged to a bottom plate. A plug rod penetrates through the inside of the bottom plate. A convex strip is fixed at the top end outside the support cylinder. Two groups of fixing frames are symmetrically arranged on the left sides of the first lower enclosing plate and the first upper enclosing plate and on the right sides of the second upper enclosing plate and the second lower enclosing plate respectively.

[0009] Further, the rear end of the fixing bolt penetrates through the inside of the connecting head, and the connecting head is hingedly connected between the inside of the fixing frame through the fixing bolt.

[0010] Further, an external thread is provided on the outside of the support rod, an internal thread matched with the external thread is arranged inside the support cylinder, and four groups of convex strips are fixedly arranged at equal intervals in a ring shape on the outside of the support cylinder.

[0011] Preferably, inserting blocks are respectively fixed at both ends of the left bottom sides of the first lower enclosing plate and the first upper enclosing plate and at both ends of the right bottom sides of the second upper enclosing plate and the second lower enclosing plate. Insertion holes are provided inside the inserting blocks. Slots are respectively provided at both ends of the left top sides of the first lower enclosing plate and the first upper enclosing plate and at both ends of the right top sides of the second upper enclosing plate and the second lower enclosing plate. Mounting frames are respectively fixed at both ends of the left top sides of the first lower enclosing plate and the first upper enclosing plate and at both ends of the right top sides of the second upper enclosing plate and the second lower enclosing plate. A pulling plate is arranged on the left side of the mounting frame. Top rods are respectively fixed at both ends of the right side of the pulling plate. A compression spring is arranged inside the mounting frame. A top ring is fixed on the right side of the compression spring. The right sides of the top rods respectively penetrate through the inside of the mounting frame, the compression spring and the top ring. The top rods respectively penetrate through the inside of the left sides of the first lower enclosing plate and the first upper enclosing plate and the inside of the right sides of the second upper enclosing plate and the second lower enclosing plate.

[0012] Further, the left side of the compression spring is fixedly connected to the left side inside the mounting frame.

[0013] Preferably, first connecting plates are respectively fixed to the right sides of both ends of the first lower enclosing plate and the first upper enclosing plate, second connecting plates are respectively fixed to the left sides of both ends of the second upper enclosing plate and the second lower enclosing plate, connection bolts are respectively arranged at the top and bottom of the right side of the second connecting plate, and the left sides of the connection bolts respectively penetrate through the interiors of the second connecting plate and the first connecting plate and are threadedly rotatably connected with connection nuts.

[0014] Preferably, fixing blocks are respectively fixed to the bottoms of the left sides of both ends of the first lower enclosing plate and the first upper enclosing plate and the bottoms of the right sides of both ends of the second upper enclosing plate and the second lower enclosing plate, handles are respectively arranged at the bottom ends of the left sides of the first lower enclosing plate and the first upper enclosing plate and the bottom ends of the right sides of the second upper enclosing plate and the second lower enclosing plate, and both ends inside the handle are respectively inserted into the fixing blocks.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows: the concrete pouring enclosing device for pile foundation construction not only realizes the convenient adjustment and switching of the enclosing pouring shape state inside the enclosing device, realizes the convenient auxiliary support for the enclosing device, realizes the convenient splicing, connection and heightening between the enclosing devices, but also realizes the improvement of the portability of the enclosing device components;

[0016] (1) By providing the first lower enclosing plate, the first upper enclosing plate, the second upper enclosing plate, the second lower enclosing plate, the first arc enclosing plate, the locking rod, the through hole and the threaded hole, when the enclosing device is used, the first arc enclosing plate and the second arc enclosing plate can be respectively clamped into the interiors of the first lower enclosing plate and the first upper enclosing plate and the second upper enclosing plate and the second lower enclosing plate, and then, by respectively using a plurality of groups of locking rods to threadedly rotate through the through holes on the left side of the first lower enclosing plate and the first upper enclosing plate and the right side of the second upper enclosing plate and the second lower enclosing plate and screwing them into the threaded holes, the first arc enclosing plate and the second arc enclosing plate can be respectively installed, positioned and fixed inside the first lower enclosing plate and the first upper enclosing plate and the second upper enclosing plate and the second lower enclosing plate. After the first arc enclosing plate and the second arc enclosing plate are provided and the mold is closed, a complete cylinder can be formed inside, which can be used for pouring some cylindrical pile foundations. The use state of the pouring device can be flexibly adjusted, which is convenient for adjusting and pouring pile foundations of different shapes;

[0017] (2) By providing a first lower enclosing plate, a first upper enclosing plate, a support cylinder, a fixing frame, a second upper enclosing plate, fixing bolts, connecting heads, support rods, convex strips, a bottom plate, insertion rods, a second lower enclosing plate and fixing nuts, when the device is installed and used for enclosing, the connecting heads at the tops of the provided support rods can be inserted into the fixing frame on the outer sides of the first lower enclosing plate, the first upper enclosing plate, the second upper enclosing plate and the second lower enclosing plate respectively, and the connecting heads are used to penetrate through the inside of the fixing frame and the connecting heads. Then, after screwing the fixing nuts onto the outside of the fixing bolts, the support rods and the support cylinders can be hinged and installed on the outer side of the enclosing device. Then, the bottom plate is flatly attached to the ground, and the insertion rods penetrate through the inside of the bottom plate and are inserted into the ground to complete the installation of the support assembly. The multiple groups of support cylinders and support rods provided can assist in pushing, supporting and fixing the four sides of the device, improving the stability of the enclosing device when pouring pile foundations;

[0018] (3) By providing a first lower enclosing plate, a first upper enclosing plate, a second upper enclosing plate, a second lower enclosing plate, an installation frame, a pull plate, a locking rod, a top rod, a top ring and a compression spring, when the enclosing device is installed and used, the pull plates can be simultaneously pulled outwards on the tops of both sides of the first lower enclosing plate and the second lower enclosing plate to drive the top rods to withdraw from the inside of the slots. Then, the insertion blocks fixed to the bottoms of the first upper enclosing plate and the second upper enclosing plate are inserted into the slots respectively. Finally, when the pull plates are released, the provided compression springs will rebound and can push the top rods out and insert them into the inside of the jacks in the insertion blocks for locking, facilitating the convenient and rapid disassembly and assembly operation between the upper and lower enclosing devices;

[0019] (4) By providing fixing blocks and handles, the provided handles are respectively movably connected to the bottoms of the left sides of the first lower enclosing plate and the first upper enclosing plate and the bottoms of the right sides of the second upper enclosing plate and the second lower enclosing plate through the fixing blocks. By using the movable handles, the enclosing device components can be quickly and conveniently lifted, transferred and installed in place. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is the front view sectional structure diagram of the present utility model;

[0021] Figure 2 is the top view partial sectional structure diagram of the installation frame of the present utility model;

[0022] Figure 3 is the present utility model Figure 1 the enlarged structure diagram at A in;

[0023] Figure 4 is the side view structure diagram of the first lower enclosing plate of the present utility model;

[0024] Figure 5 is the top view structure diagram of the handle of the present utility model.

[0025] In the figure: 1. First lower enclosing plate; 2. Support cylinder; 3. Connecting nut; 4. Fixing frame; 5. Mounting frame; 6. First upper enclosing plate; 7. First connecting plate; 8. Second connecting plate; 9. Second upper enclosing plate; 10. Fixing bolt; 11. Connecting head; 12. Support rod; 13. Rib; 14. Bottom plate; 15. Insert rod; 16. Second lower enclosing plate; 17. Connecting bolt; 18. First arc enclosing plate; 19. Slot; 20. Pulling plate; 21. Locking rod; 22. Through hole; 23. Jacking rod; 24. Fixing nut; 25. Top ring; 26. Threaded hole; 27. Insert block; 28. Insertion hole; 29. Second arc enclosing plate; 30. Compression spring; 31. Fixing block; 32. Handle. Detailed implementation manner

[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0027] Embodiment 1: Please refer to Figures 1-5 , a concrete pouring enclosure device for pile foundation construction, including a first lower enclosing plate 1 and a second lower enclosing plate 16. The second lower enclosing plate 16 is arranged on the right side of the first lower enclosing plate 1. The top end of the first lower enclosing plate 1 is provided with a first upper enclosing plate 6, and the second upper enclosing plate 9 is arranged on the right side of the first upper enclosing plate 6. First arc enclosing plates 18 are respectively arranged inside the first lower enclosing plate 1 and the first upper enclosing plate 6, and second arc enclosing plates 29 are respectively arranged inside the second upper enclosing plate 9 and the second lower enclosing plate 16. Threaded holes 26 are respectively opened inside the left side of the first arc enclosing plate 18 and the right side of the second arc enclosing plate 29. Through holes 22 are respectively opened inside the left side of the first lower enclosing plate 1 and the first upper enclosing plate 6 and the right side of the second upper enclosing plate 9 and the second lower enclosing plate 16, and a locking rod 21 is arranged through the inside of the through hole 22;

[0028] Three groups of the through holes 22 and the locking rods 21 are equidistantly arranged on the left side of the first lower enclosing plate 1 and the first upper enclosing plate 6 and the right side of the second upper enclosing plate 9 and the second lower enclosing plate 16 respectively. Three groups of the threaded holes 26 are equidistantly arranged inside the left side of the first arc enclosing plate 18 and the right side of the second arc enclosing plate 29 respectively. The locking rods 21 are respectively rotatably connected inside the through holes 22 and the threaded holes 26;

[0029] Specifically, as Figure 1 and Figure 2As shown, the first arc-shaped enclosing plate 18 and the second arc-shaped enclosing plate 29 can be respectively snapped into the interiors of the first lower enclosing plate 1 and the first upper enclosing plate 6, and the second upper enclosing plate 9 and the second lower enclosing plate 16. Then, by respectively using multiple groups of locking rods 21 to threadedly rotate through the through holes 22 on the left side of the first lower enclosing plate 1 and the first upper enclosing plate 6 and on the right side of the second upper enclosing plate 9 and the second lower enclosing plate 16 and screwing them into the internal thread holes 26, the first arc-shaped enclosing plate 18 and the second arc-shaped enclosing plate 29 can be respectively installed, positioned and fixed inside the first lower enclosing plate 1 and the first upper enclosing plate 6, and the second upper enclosing plate 9 and the second lower enclosing plate 16. After the first arc-shaped enclosing plate 18 and the second arc-shaped enclosing plate 29 are provided and the mold is closed, a complete cylinder can be formed inside, which can be used for pouring some cylindrical pile foundations, and the use state of the pouring device can be flexibly switched and adjusted.

[0030] Embodiment 2: Fixing frames 4 are respectively fixed on the left side, both ends of the first lower enclosing plate 1 and the first upper enclosing plate 6, and the right side, both ends of the second upper enclosing plate 9 and the second lower enclosing plate 16. A fixing bolt 10 is provided at the front end of the fixing frame 4. The rear end of the fixing bolt 10 penetrates through the interior of the fixing frame 4 and is rotatably connected with a fixing nut 24. A support cylinder 2 is provided at the bottom end of the fixing frame 4. A support rod 12 is provided inside the top end of the support cylinder 2. The top end of the support rod 12 is welded and fixed with a connecting head 11. The bottom end of the support cylinder 2 is hingedly connected with a bottom plate 14. A plug rod 15 penetrates through the interior of the bottom plate 14. Four convex strips 13 are fixedly arranged at equal intervals in a ring on the outside of the support cylinder 2. Two groups of fixing frames 4 are symmetrically arranged on the left side of the first lower enclosing plate 1 and the first upper enclosing plate 6 and on the right side of the second upper enclosing plate 9 and the second lower enclosing plate 16 respectively;

[0031] The rear end of the fixing bolt 10 penetrates through the interior of the connecting head 11. The connecting head 11 is hingedly connected with the interior of the fixing frame 4 through the fixing bolt 10. External threads are provided on the outside of the support rod 12. Internal threads matching the external threads are provided inside the support cylinder 2.

[0032] Specifically, as Figure 1 and Figure 2As shown in the figure, the connection head 11 at the top of the provided support rod 12 can be inserted into the fixing bracket 4 on the outer sides of the first lower enclosure plate 1, the first upper enclosure plate 6, the second upper enclosure plate 9, and the second lower enclosure plate 16 respectively. Then, use the connection head 11 to penetrate the inside of the fixing bracket 4 and the connection head 11. After that, screw the fixing nut 24 onto the outside of the fixing bolt 10, and the support rod 12 and the support cylinder 2 can be hingedly installed on the outer side of the enclosure device. Then, place the bottom plate 14 flat on the ground, and insert the insertion rod 15 through the inside of the bottom plate 14 and into the ground to complete the installation of the support assembly. Through the provided multiple groups of support cylinders 2 and support rods 12, the four sides of the device can be supported and fixed by auxiliary pushing, improving the stability of the enclosure device when pouring pile foundations. At the same time, the support cylinder 2 can be rotated on the outside of the support rod 12 by using the rib 13 to adjust the support height of the support rod 12 and the support cylinder 2.

[0033] Embodiment 3: At both ends of the left side of the bottom of the first lower enclosure plate 1 and the first upper enclosure plate 6, and at both ends of the right side of the bottom of the second upper enclosure plate 9 and the second lower enclosure plate 16, insertion blocks 27 are respectively fixed. And insertion holes 28 are provided inside the insertion blocks 27. Slots 19 are respectively provided at both ends of the left side of the top of the first lower enclosure plate 1 and the first upper enclosure plate 6, and at both ends of the right side of the top of the second upper enclosure plate 9 and the second lower enclosure plate 16. Mounting brackets 5 are respectively fixed at both ends of the left side of the top of the first lower enclosure plate 1 and the first upper enclosure plate 6, and at both ends of the right side of the top of the second upper enclosure plate 9 and the second lower enclosure plate 16. A pull plate 20 is provided on the left side of the mounting bracket 5, and ejector rods 23 are respectively fixed at both ends of the right side of the pull plate 20. A compression spring 30 is provided inside the mounting bracket 5, and a top ring 25 is fixed on the right side of the compression spring 30. The right sides of the ejector rods 23 respectively penetrate the inside of the mounting bracket 5, the compression spring 30, and the top ring 25. The ejector rods 23 respectively penetrate the inside of the first lower enclosure plate 1, the left side of the first upper enclosure plate 6, and the right side of the second upper enclosure plate 9 and the second lower enclosure plate 16. A fixed connection is made between the left side of the compression spring 30 and the left side inside the mounting bracket 5;

[0034] Specifically, as Figures 1-4 shown, when the enclosure device is installed and used, the pull plates 20 can be simultaneously pulled outwards on both sides of the top of the first lower enclosure plate 1 and the second lower enclosure plate 16 to drive the ejector rods 23 to withdraw from the inside of the slots 19. Then, the insertion blocks 27 fixed at the bottom of the first upper enclosure plate 6 and the second upper enclosure plate 9 are respectively inserted into the slots 19. Finally, release the pull plates 20. The provided compression spring 30 will rebound and can push the ejector rods 23 out and insert them into the insertion holes 28 inside the insertion blocks 27 for locking, enabling convenient and rapid disassembly and assembly between the upper and lower enclosure devices. The functions of the first lower enclosure plate 1 and the second lower enclosure plate 16, as well as the first upper enclosure plate 6 and the second upper enclosure plate 9, are the same. Multiple groups can be provided for flexible splicing and heightening use.

[0035] Embodiment 4: Fixing blocks 31 are respectively fixed at the bottoms of the left sides of both ends of the first lower enclosing plate 1 and the first upper enclosing plate 6, and at the bottoms of the right sides of both ends of the second upper enclosing plate 9 and the second lower enclosing plate 16. Handles 32 are respectively arranged at the bottom ends of the left sides of the first lower enclosing plate 1 and the first upper enclosing plate 6, and at the bottom ends of the right sides of the second upper enclosing plate 9 and the second lower enclosing plate 16. Both ends inside the handle 32 are respectively inserted into the inside of the fixing block 31.

[0036] Specifically, as Figure 1 and Figure 5 shown, the handles 32 are respectively movably connected to the bottom ends of the left sides of the first lower enclosing plate 1 and the first upper enclosing plate 6, and to the bottom ends of the right sides of the second upper enclosing plate 9 and the second lower enclosing plate 16 through the fixing blocks 31. By using the movable handles 32, the enclosure device assembly can be quickly and conveniently lifted, transferred, and installed in place.

[0037] First connecting plates 7 are respectively fixed at the right sides of both ends of the first lower enclosing plate 1 and the first upper enclosing plate 6. Second connecting plates 8 are respectively fixed at the left sides of both ends of the second upper enclosing plate 9 and the second lower enclosing plate 16. Connecting bolts 17 are respectively arranged at the top and bottom of the right side of the second connecting plate 8. The left sides of the connecting bolts 17 respectively penetrate through the inside of the second connecting plate 8 and the first connecting plate 7 and are threadedly rotatably connected with connecting nuts 3.

[0038] Working principle: When the enclosing device of the utility model is in use, the provided handles 32 are respectively movably connected to the bottom ends on the left side of the first lower enclosing plate 1 and the first upper enclosing plate 6, as well as the bottom ends on the right side of the second upper enclosing plate 9 and the second lower enclosing plate 16 through the fixed blocks 31. By using the movable handles 32, the enclosing device components can be quickly and conveniently lifted, transferred, installed and aligned. When the enclosing device is installed and used, the pull plates 20 can be simultaneously pulled outwards on the top ends on both sides of the first lower enclosing plate 1 and the second lower enclosing plate 16, driving the ejector rods 23 to withdraw from the inside of the slots 19. Then, the insertion blocks 27 fixed to the bottoms of the first upper enclosing plate 6 and the second upper enclosing plate 9 are respectively inserted into the slots 19. Finally, when the pull plates 20 are released, the provided compression springs 30 will rebound and push the ejector rods 23 out to be inserted into the internal jacks 28 of the insertion blocks 27 for locking, realizing the quick installation operation between the upper and lower enclosing devices. When the enclosing device is in use, the first arc enclosing plate 18 and the second arc enclosing plate 29 can be respectively snapped into the inside of the first lower enclosing plate 1 and the first upper enclosing plate 6, as well as the second upper enclosing plate 9 and the second lower enclosing plate 16. Then, by respectively using multiple groups of locking rods 21 to threadedly rotate through the through holes 22 on the left side of the first lower enclosing plate 1 and the first upper enclosing plate 6, as well as on the right side of the second upper enclosing plate 9 and the second lower enclosing plate 16 and screwing them into the internal threaded holes 26, the first arc enclosing plate 18 and the second arc enclosing plate 29 can be respectively installed, positioned and fixed inside the first lower enclosing plate 1 and the first upper enclosing plate 6, as well as the second upper enclosing plate 9 and the second lower enclosing plate 16. After the first arc enclosing plate 18 and the second arc enclosing plate 29 are set and the mold is closed, a complete cylinder can be formed inside, which can be used for pouring some cylindrical pile foundations. The use state of the pouring device can be flexibly switched and adjusted. And when the device is installed and used for enclosing, the connecting heads 11 at the top ends of the provided support rods 12 can be respectively inserted into the fixing frames 4 on the outer sides of the first lower enclosing plate 1, the first upper enclosing plate 6, the second upper enclosing plate 9 and the second lower enclosing plate 16, and the connecting heads 11 are used to penetrate through the inside of the fixing frames 4 and the connecting heads 11. Then, after using the fixing nuts 24 to screw onto the outside of the fixing bolts 10, the support rods 12 and the support cylinders 2 can be hingedly installed on the outer side of the enclosing device. Then, the bottom plate 14 is laid flat on the ground, and the insertion rods 15 penetrate through the inside of the bottom plate 14 and are inserted into the ground to complete the installation of the support assembly. Through the provided multiple groups of support cylinders 2 and support rods 12, the periphery of the device can be assisted in pushing, supporting and fixing.

[0039] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

1. A concrete pouring enclosure device for pile foundation construction, comprising a first lower enclosure plate (1) and a second lower enclosure plate (16), characterized in that: A second lower enclosure plate (16) is arranged on the right side of the first lower enclosure plate (1), a first upper enclosure plate (6) is arranged on the top of the first lower enclosure plate (1), and a second upper enclosure plate (9) is arranged on the right side of the first upper enclosure plate (6), first arc-shaped enclosure plates (18) are arranged inside the first lower enclosure plate (1) and the first upper enclosure plate (6), second arc-shaped enclosure plates (29) are arranged inside the second upper enclosure plate (9) and the second lower enclosure plate (16), threaded holes (26) are respectively provided inside the left side of the first arc-shaped enclosure plate (18) and inside the right side of the second arc-shaped enclosure plate (29), through holes (22) are respectively provided inside the left side of the first lower enclosure plate (1) and the first upper enclosure plate (6) and inside the right side of the second upper enclosure plate (9) and the second lower enclosure plate (16), and a locking rod (21) is provided through the through hole (22).

2. A pile foundation construction concrete pouring enclosure device according to claim 1, characterized in that: The through holes (22) and the locking rods (21) are respectively arranged in three groups at equal intervals on the left sides of the first lower enclosure (1) and the first upper enclosure (6) and on the right sides of the second upper enclosure (9) and the second lower enclosure (16); the threaded holes (26) are respectively arranged in three groups at equal intervals inside the left side of the first arc-shaped enclosure (18) and inside the right side of the second arc-shaped enclosure (29); the locking rods (21) are respectively rotatably connected inside the through holes (22) and the threaded holes (26).

3. A pile foundation construction concrete pouring enclosure device according to claim 1, characterized in that: A fixing frame (4) is fixed to the left side and both ends of the first lower enclosure plate (1) and the first upper enclosure plate (6) and the right side and both ends of the second upper enclosure plate (9) and the second lower enclosure plate (16), respectively, and a fixing bolt (10) is provided at the front end of the fixing frame (4), and the rear end of the fixing bolt (10) passes through the interior of the fixing frame (4) and is rotatably connected to a fixing nut (24), and a support tube (2) is provided at the bottom end of the fixing frame (4), and a fixing bolt (10) is provided at the top end of the fixing frame (2). A support rod (12), the top end of which is welded and fixed with a connecting head (11), the bottom end of the support tube (2) is hingedly connected with a bottom plate (14), and an insert rod (15) is provided inside the bottom plate (14), a convex strip (13) is fixed at the top end of the outside of the support tube (2), and two groups of the fixing frame (4) are symmetrically provided on the left side of the first lower enclosure plate (1) and the first upper enclosure plate (6) and on the right side of the second upper enclosure plate (9) and the second lower enclosure plate (16).

4. A concrete pouring enclosure device for pile foundation construction according to claim 3, characterized in that: The rear end of the fixing bolt (10) passes through the interior of the connecting head (11), and the connecting head (11) is hingedly connected to the interior of the fixing frame (4) via the fixing bolt (10).

5. A pile foundation construction concrete pouring enclosure device according to claim 3, characterized in that: The support rod (12) is provided with an external thread on the outside, the support tube (2) is provided with an internal thread matching the external thread on the inside, and four groups of convex strips (13) are fixed in an annular manner at equal intervals on the outside of the support tube (2).

6. A pile foundation construction concrete pouring enclosure device according to claim 1, characterized in that: Insert blocks (27) are fixed to the two ends of the left side of the bottom of the first lower enclosure plate (1) and the first upper enclosure plate (6) and the two ends of the right side of the bottom of the second upper enclosure plate (9) and the second lower enclosure plate (16), and the insert blocks (27) are provided with insertion holes (28) inside. Slots (19) are provided to the two ends of the left side of the top of the first lower enclosure plate (1) and the first upper enclosure plate (6) and the two ends of the right side of the top of the second upper enclosure plate (9) and the second lower enclosure plate (16). The two ends of the mounting frame (5) are respectively fixed with mounting frames (5), a pull plate (20) is arranged on the left side of the mounting frame (5), and two ends of the right side of the pull plate (20) are respectively fixed with push rods (23), a compression spring (30) is arranged inside the mounting frame (5), and a push ring (25) is fixed on the right side of the compression spring (30), and the right side of the push rod (23) respectively penetrates the interior of the mounting frame (5), the compression spring (30) and the push ring (25), and the push rod (23) respectively penetrates the interior of the left side of the first lower enclosure plate (1) and the first upper enclosure plate (6) and the interior of the right side of the second upper enclosure plate (9) and the second lower enclosure plate (16).

7. A pile foundation construction concrete pouring enclosure device according to claim 6, characterized in that: The left side of the compression spring (30) is fixedly connected to the left side inside the mounting frame (5).

8. The concrete pouring enclosure device for pile foundation construction according to claim 1, characterized in that: A first connecting plate (7) is fixed to the right side of both ends of the first lower enclosure plate (1) and the first upper enclosure plate (6), and a second connecting plate (8) is fixed to the left side of both ends of the second upper enclosure plate (9) and the second lower enclosure plate (16), and connecting bolts (17) are provided at the top and bottom of the right side of the second connecting plate (8), and the left side of the connecting bolt (17) passes through the inside of the second connecting plate (8) and the first connecting plate (7) and is threadedly connected with a connecting nut (3).

9. A pile foundation construction concrete pouring enclosure device according to claim 1, characterized in that: Fixed blocks (31) are fixed to the bottom of the left sides of both ends of the first lower enclosure (1) and the first upper enclosure (6) and to the right sides of both ends of the bottom of the second upper enclosure (9) and the second lower enclosure (16), respectively; handles (32) are provided at the bottom of the left side of the first lower enclosure (1) and the first upper enclosure (6) and at the bottom of the right side of the second upper enclosure (9) and the second lower enclosure (16), respectively; and the two ends of the handle (32) are respectively inserted into the inside of the fixed block (31).

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