Full-pile-length sectional bolt connection type steel casing

Abstract

The utility model relates to a full-pile-length sectional bolt connection type steel casing, and relates to the technical field of pile foundation engineering, steel casing manufacturing and connecting technologies. The pile casing comprises a pile casing connector, an upper pile casing arranged below the pile casing connector and a lower pile casing arranged below the pile casing connector. According to the full-pile-length segmental bolt connection type steel casing, the connecting steel plate and a pile driver are clamped and fixed, so that the full-pile-length segmental bolt connection type steel casing is conveniently connected with the pile driver, concrete filling is convenient, the upper casing body is connected with the casing connector through the first connecting component and the first positioning component, and the whole-pile-length segmental bolt connection type steel casing is formed. The upper pile casing and the pile casing connector can be conveniently positioned in the connecting process, the upper pile casing and the pile casing connector can be conveniently and rapidly disassembled and assembled, the upper pile casing and the lower pile casing are connected through the second connecting component and the second positioning component, the upper pile casing and the lower pile casing can be conveniently positioned in the connecting process, and the connecting efficiency is improved. And the upper pile casing and the lower pile casing can be conveniently and rapidly disassembled and assembled.

Description

Technical Field

[0001] The present application relates to the technical field of pile foundation engineering, steel casing manufacturing and connection technology, and in particular to a full-pile-length segmented bolt-connected steel casing. Background Art

[0002] In pile foundation projects, steel casings are widely used to protect pile bodies, prevent collapse and improve the bearing capacity of piles. Traditional steel casings are usually connected by welding or bolts, but these connection methods have problems such as low construction efficiency and high cost.

[0003] At present, there are some segmented steel casings on the market, which are connected by flanges and bolts. However, this connection method still requires a lot of bolt installation work on site, and the construction efficiency needs to be improved. Utility Model Content

[0004] In order to solve the problem that the current full-length segmented pin-connected steel casing is connected by flanges and bolts due to its own design characteristics, the present inventors have proposed a segmented steel casing, which is connected by flanges and bolts. However, this connection method still requires a large amount of bolt installation work on site, and the construction efficiency is low. The present application provides a full-length segmented pin-connected steel casing.

[0005] The present application provides a full-pile-length segmented bolt-connected steel casing, which adopts the following technical solution: it comprises a casing joint, an upper casing arranged below the casing joint, and a lower casing arranged below the casing joint;

[0006] Optionally, it also includes a connecting steel plate arranged on the upper end surface of the casing joint, and the connecting steel plate is arranged as an "H"-shaped steel plate. Such a design facilitates clamping and fixing the connecting steel plate to the pile driver.

[0007] By adopting the above technical solution, it is convenient to connect the casing joint with the pile driver, so as to ensure the overall stability of the casing joint.

[0008] Optionally, a support steel plate is provided in the inner cavity of the casing joint, and the support steel plate is arranged in a "well" shape.

[0009] By adopting the above technical solution, the supporting steel plate facilitates all-round support of the inner cavity of the casing joint, thereby effectively ensuring the overall insertion stability of the casing joint.

[0010] Optionally, it also includes a first connecting member and a first positioning member for connecting the casing joint to the upper casing;

[0011] The first connecting member includes a first connecting sleeve fixedly arranged at the other end of the casing joint, first connecting holes evenly arranged on the first connecting sleeve, a first positioning hole arranged on the upper casing corresponding to the first connecting hole, and a first plug for connecting the first connecting hole and the first positioning hole.

[0012] By adopting the above technical solution, the first plug facilitates connecting the first connecting hole and the first positioning hole, thereby facilitating connecting the casing joint with the upper casing;

[0013] Optionally, the first positioning member includes first positioning blocks uniformly arranged on the outer circumference above the upper casing and a first positioning groove arranged in the inner cavity of the first connecting sleeve.

[0014] By adopting the above technical solution, the first positioning groove and the first positioning block complement each other, which facilitates the positioning of the upper casing and the casing joint during the connection process, thereby facilitating the centering of the first connecting hole and the first positioning hole, and facilitating the first plug to quickly connect the casing joint with the upper casing.

[0015] Optionally, it further includes a second connecting member and a second positioning member arranged between the upper casing and the lower casing;

[0016] The second connecting member includes a second connecting sleeve fixedly arranged at the other end of the upper protective tube, second connecting holes evenly arranged on the second connecting sleeve, a second positioning hole arranged on the lower protective tube corresponding to the second connecting hole, and a second plug for connecting the second connecting hole and the second positioning hole.

[0017] By adopting the above technical solution, the second plug facilitates connecting the second connection hole and the second positioning hole, thereby facilitating connecting the upper casing with the lower casing;

[0018] Optionally, the second positioning member includes second positioning blocks uniformly arranged on the outer circumference above the lower casing and a second positioning groove arranged in the inner cavity of the second connecting sleeve.

[0019] By adopting the above technical solution, the second positioning groove and the second positioning block complement each other, which is convenient for positioning the lower casing and the upper casing during the connection process, thereby facilitating the centering of the second connecting hole and the second positioning hole, and facilitating the second plug to quickly connect the upper casing with the lower casing.

[0020] Optionally, the lower protective tube includes a first protective tube, a second protective tube mirroring the first protective tube, a first connecting wing edge arranged at the same height as both sides of the opening of the first protective tube, a second connecting wing edge arranged at the same height as both sides of the opening end of the second protective tube, and a connecting unit for connecting the first connecting wing edge and the second connecting wing edge;

[0021] The connecting unit includes a connecting bolt for connecting the upper end surfaces of the first connecting wing and the second connecting wing, a first connecting plate evenly and fixedly arranged on the inner side of the first connecting wing, a second connecting plate evenly and fixedly arranged on the inner side of the second connecting wing, and a connecting rod for connecting the first connecting plate and the second connecting plate, the first connecting plate and the second connecting plate are staggered with each other, and the first connecting plate and the second connecting plate are staggered with each other.

[0022] By adopting the above technical solution, it is convenient to connect the first connecting wing with the second connecting wing by connecting the rod, thereby effectively ensuring the stability of the connection between the first protective tube and the second protective tube.

[0023] Optionally, it further includes a reinforcing plate arranged at the connection between the first connecting wing and the first protective tube and at the connection between the second connecting wing and the second protective tube, and the reinforcing plate is arranged in a triangular shape.

[0024] By adopting the above technical solution, the reinforcing plate effectively ensures the rigidity of the connection between the first connecting wing and the first protective tube and the second connecting wing and the second protective tube.

[0025] In summary, this application includes the following beneficial technical effects:

[0026] 1. The connecting steel plate is clamped and fixed to the pile driver, so that the utility model is conveniently connected to the pile driver and convenient for pouring concrete.

[0027] 2. The upper casing is connected to the casing joint by the first connecting member and the first positioning member, so as to facilitate the positioning of the upper casing and the casing joint during the connection process and facilitate the rapid disassembly and assembly of the upper casing and the casing joint;

[0028] 3. The upper casing is connected to the lower casing by the second connecting member and the second positioning member, so as to facilitate positioning of the upper casing and the lower casing during the connection process and facilitate rapid disassembly and assembly of the upper casing and the lower casing. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a structural schematic diagram of the whole structure of the full-length segmented bolt-connected steel guard of the present application;

[0030] Figure 2 This is the application of the full-length segmented bolt connection type steel guard Figure 1 A structural schematic diagram of a partial exploded view;

[0031] Figure 3 It is a structural schematic diagram of a partial half-section view of the overall structure of the full-length segmented bolt-connected steel guard in the present application;

[0032] Figure 4 It is a structural schematic diagram of the lower casing in the full-length segmented pin-connected steel casing of the present application.

[0033] Explanation of the accompanying drawings: 11. casing joint; 12. upper casing; 121. first positioning hole; 122. first positioning block; 13. lower casing; 1301. second positioning hole; 1302. second positioning block; 21. supporting steel plate; 22. connecting steel plate; 31. first connecting sleeve; 311. first connecting hole; 32. second connecting sleeve; 321. second connecting hole; 41. first plug; 42. second plug; 131. first protective tube; 1311. first connecting wing; 132. second protective tube; 1321. second connecting wing; 51. connecting bolt; 521. first connecting plate; 522. second connecting plate; 6. connecting rod; 7. reinforcing plate. DETAILED DESCRIPTION

[0034] The present application is further described in detail below in conjunction with the accompanying drawings.

[0035] Please refer to Figure 1 and Figure 2 The embodiment of the present application discloses a full-pile-length segmented bolt-connected steel casing, which includes a casing joint 11, an upper casing 12 disposed below the casing joint 11, and a lower casing 13 disposed below the casing joint 11;

[0036] Please refer to Figure 1 and Figure 2 In order to facilitate the connection of the casing joint 11 with the pile driver, it also includes a connecting steel plate 22 arranged on the upper end surface of the casing joint 11, and the connecting steel plate 22 is set as an "H"-shaped steel plate. Such a design makes it easy to clamp and fix the connecting steel plate 22 and the pile driver, thereby facilitating the connection of the casing joint 11 with the pile driver. In order to ensure the overall stability of the casing joint 11, a supporting steel plate 21 is provided in the inner cavity of the casing joint 11, and the supporting steel plate 21 is set in a "well" shape. The supporting steel plate 21 facilitates all-round support for the inner cavity of the casing joint 11, thereby effectively ensuring the overall stability of the casing joint 11.

[0037] Please refer to Figure 2 and Figure 3 In order to facilitate the connection of the casing joint 11 with the upper casing 12, it also includes a first connecting member and a first positioning member for connecting the casing joint 11 with the upper casing 12;

[0038] The first connecting member includes a first connecting sleeve 31 fixedly arranged at the other end of the casing joint 11, first connecting holes 311 uniformly arranged on the first connecting sleeve 31, first positioning holes 121 arranged on the upper casing 12 and corresponding to the first connecting holes 311, and a first plug 41 for connecting the first connecting hole 311 and the first positioning hole 121. The first plug 41 facilitates connecting the first connecting hole 311 and the first positioning hole 121, thereby facilitating the connection of the casing joint 11 with the upper casing 12;

[0039] Please refer to Figure 3 The first positioning component includes a first positioning block 122 evenly arranged on the outer periphery above the upper casing 12 and a first positioning groove arranged in the inner cavity of the first connecting casing. The first positioning groove and the first positioning block 122 complement each other, which is convenient for positioning the upper casing 12 and the casing joint 11 during the connection process, thereby facilitating the centering of the first connecting hole 311 and the first positioning hole 121, and facilitating the first plug 41 to quickly connect the casing joint 11 with the upper casing 12.

[0040] Please refer to Figure 2 and Figure 3 In order to facilitate the connection between the upper casing 12 and the lower casing 13, a second connecting member and a second positioning member are provided between the upper casing 12 and the lower casing 13;

[0041] The second connecting member includes a second connecting sleeve 32 fixedly arranged at the other end of the upper casing 12, second connecting holes 321 uniformly arranged on the second connecting sleeve 32, a second positioning hole 1301 arranged on the lower casing 13 and corresponding to the second connecting hole 321, and a second plug 42 for connecting the second connecting hole 321 with the second positioning hole 1301, and the second plug 42 facilitates connecting the second connecting hole 321 with the second positioning hole 1301, so as to facilitate connecting the upper casing 12 with the lower casing 13;

[0042] The second positioning member includes a second positioning block 1302 evenly arranged on the outer periphery above the lower casing 13 and a second positioning groove arranged in the inner cavity of the second connecting sleeve 32. The second positioning groove and the second positioning block 1302 complement each other to facilitate positioning of the lower casing 13 and the upper casing 12 during the connection process, thereby facilitating the centering of the second connecting hole 321 and the second positioning hole 1301, and facilitating the second plug 42 to quickly connect the upper casing 12 with the lower casing 13.

[0043] Please refer to Figure 2 and Figure 4In order to facilitate rapid demoulding of the lower protective tube 13, the lower protective tube 13 includes a first protective tube 131, a second protective tube 132 which is mirror-imaged to the first protective tube 131, a first connecting wing 1311 which is respectively arranged at the same height as both sides of the opening of the first protective tube 131, a second connecting wing 1321 which is respectively arranged at the same height as both sides of the opening end of the second protective tube 132, and a connecting unit for connecting the first connecting wing 1311 and the second connecting wing 1321;

[0044] Please refer to Figure 4 The connecting unit includes a connecting bolt 51 for connecting the upper end surfaces of the first connecting wing 1311 and the second connecting wing 1321, a first connecting plate 521 evenly and fixedly arranged on the inner side of the first connecting wing 1311, a second connecting plate 522 evenly and fixedly arranged on the inner side of the second connecting wing 1321, and a connecting rod 6 for connecting the first connecting plate 521 and the second connecting plate 522. The first connecting plate 521 and the second connecting plate 522 are staggered with each other. The first connecting plate 521 and the second connecting plate 522 are staggered with each other, which makes it convenient for the connecting rod 6 to connect the first connecting wing 1311 and the second connecting wing 1321, thereby effectively ensuring the stability of the connection between the first protective tube 131 and the second protective tube 132.

[0045] In order to ensure the stability of the connection between the first connecting wing 1311 and the first protective tube 131, as well as the second connecting wing 1321 and the second protective tube 132, a reinforcing plate 7 is also included, which is arranged at the connection between the first connecting wing 1311 and the first protective tube 131, as well as at the connection between the second connecting wing 1321 and the second protective tube 132. The reinforcing plate 7 is arranged in a triangular shape, and the reinforcing plate 7 effectively ensures the rigidity of the connection between the first connecting wing 1311 and the first protective tube 131, as well as the connection between the second connecting wing 1321 and the second protective tube 132.

[0046] The implementation principle of the full-pile-length segmented bolt-connected steel casing of the embodiment of the present application is as follows: when in use, the connecting steel plate 22 is clamped and fixed to the pile driver, and the first positioning groove and the first positioning block 122 complement each other to position the upper casing 12 and the casing joint 11 during the connection process, so as to facilitate the centering of the first connecting hole 311 and the first positioning hole 121, and then facilitate the first plug 41 to quickly connect the casing joint 11 with the upper casing 12, and the second positioning groove and the second positioning block 1302 complement each other to facilitate the positioning of the lower casing 13 and the upper casing 12 during the connection process, so as to facilitate the centering of the second connecting hole 321 and the second positioning hole 1301, and the second plug 42 quickly connects the upper casing 12 with the lower casing 13;

[0047] The connecting bolt 51 is convenient for connecting the joint of the first protective tube 131 and the second protective tube 132 constituting the lower protective tube 13, and the connecting rod 6 passes through the first connecting plate 521 and the second connecting plate 522, so as to connect the middle position of the first protective tube 131 and the second protective tube 132;

[0048] During demoulding, the first connecting plug and the second connecting plug are pulled out, and the connecting rod 6 is detached from the first connecting plate 521 and the second connecting plate 522. The lower casing 13 bends and rebounds outward due to the loss of constraint, so that the lower casing 13 opens slightly, making it easy to pull out and recover the upper casing 12 and the lower casing 13.

[0049] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A full-length segmented bolt-connected steel casing, characterized in that: It comprises a casing joint (11), an upper casing (12) arranged below the casing joint (11), and a lower casing (13) arranged below the casing joint (11); It also includes a first connecting member and a first positioning member for connecting the casing joint (11) to the upper casing (12); It also includes a second connecting member and a second positioning member arranged between the upper casing (12) and the lower casing (13); The lower protective tube (13) comprises a first protective tube (131), a second protective tube (132) which is arranged in a mirror image with the first protective tube (131), a first connecting wing (1311) which is arranged at the same height as the two sides of the opening of the first protective tube (131), a second connecting wing (1321) which is arranged at the same height as the two sides of the opening end of the second protective tube (132), and a connecting unit for connecting the first connecting wing (1311) and the second connecting wing (1321).

2. The full-pile-length segmented bolt-connected steel casing according to claim 1, characterized in that: It also includes a connecting steel plate (22) arranged on the upper end surface of the casing joint (11), and the connecting steel plate (22) is configured as an "H"-shaped steel plate.

3. The full-pile-length segmented bolt-connected steel casing according to claim 2, characterized in that: The inner cavity of the casing joint (11) is provided with a support steel plate (21), and the support steel plate (21) is arranged in a "well" shape.

4. The full-pile-length segmented bolt-connected steel casing according to claim 3, characterized in that: The first connecting member comprises a first connecting sleeve (31) fixedly arranged at the other end of the casing joint (11), a first connecting hole (311) uniformly arranged on the first connecting sleeve (31), a first positioning hole (121) arranged on the upper casing (12) and corresponding to the first connecting hole (311), and a first plug (41) for connecting the first connecting hole (311) and the first positioning hole (121), and the first positioning member comprises a first positioning block (122) uniformly arranged on the outer periphery above the upper casing (12) and a first positioning groove arranged in the inner cavity of the first connecting sleeve.

5. The full-pile-length segmented bolt-connected steel casing according to claim 4, characterized in that: The second connecting member comprises a second connecting sleeve (32) fixedly arranged at the other end of the upper protective tube (12), a second connecting hole (321) evenly arranged on the second connecting sleeve (32), a second positioning hole (1301) arranged on the lower protective tube (13) corresponding to the second connecting hole (321), and a second plug (42) for connecting the second connecting hole (321) and the second positioning hole (1301), and the second positioning member comprises a second positioning block (1302) evenly arranged on the outer periphery above the lower protective tube (13) and a second positioning groove arranged in the inner cavity of the second connecting sleeve (32).

6. The full-pile-length segmented bolt-connected steel casing according to claim 5, characterized in that: The connecting unit includes a connecting bolt (51) for connecting the upper end surfaces of the first connecting wing (1311) and the second connecting wing (1321), a first connecting plate (521) evenly and fixedly arranged on the inner side of the first connecting wing (1311), a second connecting plate (522) evenly and fixedly arranged on the inner side of the second connecting wing (1321), and a connecting rod (6) for connecting the first connecting plate (521) and the second connecting plate (522), wherein the first connecting plate (521) and the second connecting plate (522) are arranged alternately with each other.

7. The full-pile-length segmented bolt-connected steel casing according to claim 6, characterized in that: It also includes a reinforcing plate (7) arranged at the connection between the first connecting wing (1311) and the first protective tube (131) and at the connection between the second connecting wing (1321) and the second protective tube (132), and the reinforcing plate (7) is arranged in a triangular shape.

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