Construction device for covering and excavating station semicircular pile

Abstract

The utility model discloses a construction device for covering and excavating a semicircular pile of a station, which comprises a first pile body, a second pile body, a third pile body, a fourth pile body and a fourth pile body, the first pile body is arc-shaped, and a connecting piece is arranged at the bottom of the first pile body; the second pile body is fixedly connected to one side of the first pile body; the reinforcing block is fixedly connected to the side, opposite to the second pile body, of the first pile body. Through the design of the first pile body, the positioning piece, the second pile body, the reinforcing block, the lifting hook, the driving piece and the connecting piece, the first pile body and the second pile body form a semicircular column body, and the first pile body and the second pile body are fixed to one side of a semicircular reinforcement cage through the positioning piece during use; the semicircular reinforcement cage, the first pile body and the second pile body form a cylinder, after pouring is completed, the first pile body and the second pile body are pulled out, and the situation that cutting is needed is avoided in a one-time forming mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to construction device technical field, especially a kind of construction device of cover and dig station semicircle pile. BACKGROUND

[0002] With the rapid development of urbanization process in our country, city subway station site is generally set in city prosperous section, below city traffic trunk road, and pipeline relocation and station construction need are carried out in station structure construction early stage. Because part traffic trunk road is narrow, station site occupies road red line completely, lead to more underground pipeline not to have relocation position in station structure both sides, only station structure above can be considered to be implemented, cover and dig method is generally used to carry out station main body construction. When pipeline buried depth elevation is far below station roof elevation, part roof structure of station needs to be designed into sinking structure in construction, and after sinking structure is implemented first, pipeline can be relocated, bumped and restored road construction. In combination with traffic guide and improvement needs and construction period, cost factors, part station roof structure of sinking is more used as support system by enclosure pile and temporary column pile. Temporary column pile top is connected with station roof as a whole, and is broken after all station main body structure is completed. Enclosure pile needs to be broken half and is used as part support body of sinking roof structure after longitudinal corbel is implemented below sinking structure of roof.

[0003] However, conventional enclosure pile is generally poured integrally, so upper half pile of enclosure pile needs to be broken in foundation pit, and upper half of enclosure pile is cut into semicircular cross section from circular cross section, so that excess semicircular part still needs to be broken twice in later period, causing a lot of waste of manpower and material resources. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of construction device of cover and dig station semicircle pile to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of construction device of cover and dig station semicircle pile, comprising:

[0006] First pile body, the first pile body is set as arc, and the bottom of the first pile body is provided with a positioning member;

[0007] Second pile body, the second pile body is fixedly connected to one side of the first pile body;

[0008] Reinforcing block, the reinforcing block is fixedly connected to the side opposite to the first pile body and the second pile body;

[0009] Hook, the hook is arranged on the top of the reinforcing block, the bottom of the hook is provided with a driving member for moving the position of the hook, and a connecting member for connecting the hook is arranged at the connection between the hook and the reinforcing block.

[0010] Preferably, the positioning member comprises a plurality of positioning ribs arranged at the bottom of the first pile body, and the positioning ribs are used for fixing the position of the first pile body.

[0011] Preferably, the horizontal longitudinal section of the reinforcing block is arranged in a semicircular shape, and the reinforcing block is used for reinforcing the connection between the second pile body and the first pile body.

[0012] Preferably, the connecting member comprises a connecting block fixedly connected at the bottom of the hook, and the bottom end of the connecting block is fixedly connected with a driving block.

[0013] Preferably, the top of the reinforcing block is provided with a through hole, and the connecting block is connected in the through hole.

[0014] Preferably, the driving member comprises a threaded rod threadedly connected in the middle of the driving block, the threaded rod is connected at the bottom of the reinforcing block, the top end of the threaded rod is fixedly connected with a cap, and the top of the threaded rod is sleeved with a limiting ring.

[0015] Preferably, the bottom end of the threaded rod is sleeved with a blocking ring, and the blocking ring is used for limiting the movement distance of the driving block.

[0016] The technical effects and advantages of the utility model are as follows:

[0017] The utility model discloses a first pile body, positioning member, second pile body, reinforcing block, hook, driving member and connecting member design, the first pile body and the second pile body of setting composition shape are semicircular column, when using, the first pile body and the second pile body are fixed in the one side of semicircular reinforcement cage through positioning member, make semicircular reinforcement cage, first pile body and second pile body composition cylinder, when pouring is completed, the first pile body and the second pile body are extracted and can be, through one -off forming mode, avoid the situation of cutting off. ACCURATE DRAWINGS

[0018] Figure 1 It is one of the three-dimensional structure schematic diagram of the utility model.

[0019] Figure 2 It is two of the three-dimensional structure schematic diagram of the utility model.

[0020] Figure 3 It is the side sectional structure schematic diagram of the utility model.

[0021] Figure 4 It is the three-dimensional structure schematic diagram of the utility model Figure 3 The enlarged structure schematic diagram of part A of the utility model.

[0022] In the figure: 1, first pile body; 2, second pile body; 3, hook; 4, positioning rib; 5, connecting piece; 501, through hole; 502, connecting block; 503, driving block; 6, driving piece; 601, twist cap; 602, limiting ring; 603, threaded rod; 604, blocking ring; 7, reinforcing block. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] The utility model provides a kind of construction device for cover and dig car station semicircle pile as Figures 1-4 As shown in a kind of construction device for cover and dig car station semicircle pile, comprising:

[0025] First pile body 1, first pile body 1 is set to arc, and the bottom of first pile body 1 is provided with positioning member;

[0026] Second pile body 2, second pile body 2 is fixedly connected to the side of first pile body 1;

[0027] Reinforcing block 7, reinforcing block 7 is fixedly connected to the side opposite to first pile body 1 and second pile body 2;

[0028] Hook 3, hook 3 is set to the top of reinforcing block 7, and the bottom of hook 3 is provided with driving piece 6 for moving the position of hook 3, and the connecting place of hook 3 and reinforcing block 7 is provided with connecting piece 5 for connecting hook 3.

[0029] It should be noted that four semicircle reinforcing blocks 7 are fixed to plane rectangular isolation plate with 2m interval, and the outer edge of first pile body 1, second pile body 2 and reinforcing block 7 of the utility model is sealed by welding, and the reinforcing block 7 is set to 15cm thick steel plate.

[0030] Specifically, the positioning member includes a plurality of positioning ribs 4 arranged at the bottom of the first pile body 1, and the positioning ribs 4 are used to fix the position of the first pile body 1.

[0031] Specifically, the horizontal longitudinal section of the reinforcing block 7 is arranged in a semicircular shape, and the reinforcing block 7 is used to reinforce the connection between the second pile body 2 and the first pile body 1.

[0032] It should be noted that the semicircular reinforcing block 7 is arranged to connect the second pile body 2 and the first pile body 1, and the steel reinforcement cage in the drilled pile is integrally machined from the lower circular steel reinforcement cage and the upper semicircular steel reinforcement cage, the positioning rib 4 is connected to the lower circular steel reinforcement cage by welding, and the positioning rib 4 is configured as two and arranged on opposite sides respectively.

[0033] Further, in use, the pile hole is drilled by the rotary drilling rig, after the pile hole is accepted, the reinforcement cage is hoisted into the pile hole, the circular reinforcement cage is located at the bottom of the pile hole, the semicircular reinforcement cage is located above the circular reinforcement cage, the semicircle pile device is attached to the inner wall of the pile hole, the outer wall of the device is uniformly coated with lubricating oil, and the device is hoisted into the corresponding gap of the semicircular reinforcement cage in the pile hole, and the semicircle pile device and the upper semicircular reinforcement cage are combined into a cylinder; the grouting pipe can be lowered to the bottom of the hole through the center through hole of the semicircular reinforcement cage for concrete pouring; after the concrete pouring is completed and the pipe is pulled out, after the initial setting of the concrete in the pile hole, the upper hoisting ring of the semicircle pile device is hoisted out of the pile hole.

[0034] Unlike the traditional semicircle pile construction process, the device can make the semicircle pile once cast into shape, ensure the flatness of the semicircle pile surface, take out the device after the initial setting of the concrete, and can be reused, shorten the secondary breaking construction time in the later stage of foundation pit excavation, improve the construction efficiency of the next process, and greatly reduce the waste of manpower and material resources.

[0035] Specifically, the connecting piece 5 includes a connecting block 502 fixedly connected to the bottom of the hook 3, and a driving block 503 fixedly connected to the bottom end of the connecting block 502.

[0036] Specifically, the top of the reinforcing block 7 is provided with a through hole 501, and the connecting block 502 is connected in the through hole 501.

[0037] It should be noted that the driving block 503 is provided in a semicircular shape to avoid the driving block 503 rotating on one side of the first pile body 1 during use, the through hole 501 is provided for the hook 3 to pass through the reinforcing block 7, and when not in use, the driving block 503, the connecting block 502 and the hook 3 are moved by the driving piece 6, so that the hook 3 moves to the bottom of the reinforcing block 7, avoiding the situation that the hole in the middle of the hook 3 is blocked by foreign matter during use, and the hook 3 is moved to the top of the reinforcing block 7 when needed.

[0038] Specifically, the driving piece 6 includes a threaded rod 603 threadedly connected in the middle of the driving block 503, the threaded rod 603 is connected in the bottom of the reinforcing block 7, the top end of the threaded rod 603 is fixedly connected with a cap 601, the top of the threaded rod 603 is sleeved with a limiting ring 602, and the bottom end of the threaded rod 603 is sleeved with a blocking ring 604, and the blocking ring 604 is used to limit the movement distance of the driving block 503.

[0039] It should be noted that the set of twist cap 601 and limiting ring 602 are fixedly connected on the threaded rod 603, and the limiting ring 602 and the twist cap 601 are arranged at the bottom end and the top end of the reinforcing block 7 respectively, the position of the threaded rod 603 is fixed through the limiting ring 602 and the twist cap 601, and the threaded rod 603 is driven to rotate through the twist cap 601, when it is needed to move the position of the driving block 503, the threaded rod 603 is directly driven to rotate through the twist cap 601, and the driving block 503 which cannot rotate and is screwed with the threaded rod 603 is moved through the threaded rod 603, the blocking ring 604 is fixedly sleeved on the bottom end of the threaded rod 603, when the driving block 503 moves to abut against the top end of the blocking ring 604, the movement distance of the driving block 503 is limited through the blocking ring 604.

[0040] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A construction device for a half-round pile of a cover-excavation station, characterized in that, The utility model relates to a pile body, belong to the field of pile body. First pile body (1), first pile body (1) is arranged as arc, the bottom of first pile body (1) is provided with positioning piece; Second pile body (2), second pile body (2) is fixedly connected on one side of first pile body (1); Reinforcing block (7), reinforcing block (7) is fixedly connected on the opposite side of first pile body (1) and second pile body (2); Hook (3), the top of reinforcing block (7) is provided with hook (3), the bottom of hook (3) is provided with drive piece (6) for moving the position of hook (3), the connecting place of hook (3) and reinforcing block (7) is provided with connecting piece (5) for connecting hook (3).

2. The construction device of a cover-digging station semi-circular pile according to claim 1, characterized in that, The positioning piece includes a plurality of positioning ribs (4) provided at the bottom of the first pile body (1), and the positioning ribs (4) are used to fix the position of the first pile body (1).

3. The construction device of a cover-digging station semi-circular pile according to claim 1, characterized in that, The horizontal longitudinal section of the reinforcing block (7) is arranged as a semicircle, and the reinforcing block (7) is used to reinforce the connection between the second pile body (2) and the first pile body (1).

4. The construction device for a cover-digging station semi-circular pile according to claim 1, characterized in that, The connecting piece (5) includes a connecting block (502) fixedly connected at the bottom of the hook (3), and the bottom end of the connecting block (502) is fixedly connected with a driving block (503).

5. The construction device of a cover-digging station semi-circular pile according to claim 4, characterized in that, The top of the reinforcing block (7) is provided with a through hole (501), and the connecting block (502) is connected in the inside of the through hole (501).

6. The construction device of a cover-digging station semi-circular pile according to claim 4, characterized in that, The drive piece (6) includes a threaded rod (603) threadedly connected in the middle of the driving block (503), the threaded rod (603) is connected at the bottom of the reinforcing block (7), the top end of the threaded rod (603) is fixedly connected with a cap (601), and the top of the threaded rod (603) is sleeved with a limiting ring (602).

7. The construction device of a cover-digging station semi-circular pile according to claim 6, characterized in that, The bottom end of the threaded rod (603) is sleeved with a blocking ring (604), and the blocking ring (604) is used to limit the movement distance of the driving block (503).

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