Pile foundation reinforcement cage supporting type positioning device and pile foundation reinforcement cage

Abstract

The utility model discloses a pile foundation reinforcement cage supporting type positioning device and a pile foundation reinforcement cage, and the pile foundation reinforcement cage supporting type positioning device comprises a supporting plate, a row of supporting steel bars which are distributed on the central axis of the supporting plate along the horizontal direction, and two groups of connecting steel bars which are respectively arranged at two opposite ends of the supporting plate along the vertical direction, the connecting steel bars and the supporting steel bars are arranged on the same face of the supporting plate, the supporting steel bars are used for being connected with lining stirrups of a pile foundation reinforcement cage, the connecting steel bars are used for being connected with outer stirrups of the pile foundation reinforcement cage, and the supporting plate is used for abutting against the side wall of a pile foundation hole so as to position the pile foundation reinforcement cage. The supporting type positioning device for the pile foundation reinforcement cage can ensure that the pile foundation reinforcement cage is arranged in the middle relative to a pile foundation hole, effectively improves the positioning effect, is simple and efficient in positioning structure and low in cost, and is beneficial to improving the construction efficiency of the pile foundation reinforcement cage and shortening the construction period.

Description

TECHNICAL FIELD

[0001] The utility model relates to pile foundation construction technical field, in particular, relate to a pile foundation reinforcement cage support type positioning device and adopt the pile foundation reinforcement cage support type positioning device of pile foundation reinforcement cage. BACKGROUND

[0002] In the process of pile foundation construction reinforcement cage is put down, often meet the problem of pile foundation reinforcement cage deviation, light cause reinforcement cage cover thickness is insufficient, heavy appear the phenomenon of missing muscle, seriously affect the internal quality of pile foundation, and because the pile foundation is underground engineering, it is very difficult to handle and the cost is high, therefore need to improve the reinforcement positioning measures in the pile foundation construction, avoid the deviation of reinforcement cage, ensure the quality of pile foundation.

[0003] At present, the commonly used pile foundation reinforcement cage positioning method has: 1, reinforcement cage is formed after section processing in processing site, is transported to hole position, is put down by section with crane, reinforcement cage is connected at the orifice, is corrected with line hammer when putting down reinforcement cage, error is less than preset range after welding again, the center position of pile is determined with four orthogonal direction lines hanging line above the casing, and the distance from the casing side to the reinforcement cage center point is verified with a tape measure, if there is deviation, then adjust using the truck crane again, the positioning adjustment process of this mode is complicated, needs to consume a lot of manpower and material resources, leads to the extension of construction period.2, set positioning reinforcement on the outside of reinforcement cage according to design requirements, but positioning reinforcement is easy to be squeezed into the loose soil layer around the hole wall of pile foundation hole, basically does not play the positioning role, error is larger, cannot guarantee the thickness of protective layer, and the size of reinforcement protective layer cannot be detected in the later pile foundation quality detection, which is a great potential risk for pile foundation.3, use circular cement pad to bind on reinforcement cage for positioning, but circular cement pad is easy to break due to insufficient strength when transporting reinforcement cage and putting down reinforcement cage, and is simple to fix and easy to fall off, which is inconvenient to use.

[0004] For this, Chinese invention patent CN107858923A provides a kind of method for positioning in pile foundation reinforcement cage hole, which positions reinforcement cage by designing special square positioning frame and telescopic pin shaft cooperation, although it can play a certain positioning effect, but its positioning structure is complex, cost is high, and only reinforcement cage can be positioned at the opening of pile foundation hole, it cannot be monitored when reinforcement cage shakes and misplaces after being put down to the deep place of pile foundation hole, leading to error prone. UTILITY MODEL CONTENTS

[0005] The utility model primarily provides a kind of pile foundation reinforcement cage support type positioning device to solve the technical problems of the positioning effect of existing pile foundation reinforcement cage is not good, prone to error and long time-consuming.

[0006] The utility model also provides a kind of pile foundation reinforcement cage, which adopts the above-mentioned pile foundation reinforcement cage support type positioning device.

[0007] According to one aspect of the utility model, a pile foundation reinforcement cage support type positioning device is provided, including support board, one row of support reinforcement is arranged on the central axis of support board along horizontal direction, and two groups of connecting reinforcement are arranged on the opposite ends of support board along vertical direction, the connecting reinforcement and the support reinforcement are arranged on the same surface of support board, the support reinforcement is used for connecting with inner lining hoop of pile foundation reinforcement cage, the connecting reinforcement is used for connecting with outer hoop of pile foundation reinforcement cage, and the support board is used for abutting the side wall of pile foundation hole to position the pile foundation reinforcement cage.

[0008] Preferably, the pile foundation reinforcement cage support type positioning device further comprises longitudinal reinforcing ribs arranged on the surface of the support plate, and the connecting reinforcement is connected to the end of the longitudinal reinforcing rib.

[0009] Preferably, a plurality of longitudinal reinforcing ribs are arranged in the horizontal direction, and each group of connecting reinforcement comprises a plurality of connecting reinforcement corresponding to the plurality of longitudinal reinforcing ribs.

[0010] Preferably, the connecting reinforcement and the longitudinal reinforcing rib are integrally formed.

[0011] Preferably, the support reinforcement is connected to the longitudinal reinforcing rib, and the support reinforcement and the longitudinal reinforcing rib are arranged one by one.

[0012] Preferably, the pile foundation reinforcement cage support type positioning device further comprises two transverse reinforcing ribs arranged on the surface of the support plate, and the two transverse reinforcing ribs are arranged on the opposite ends of the support plate along the vertical direction, and the longitudinal reinforcing rib is connected to the transverse reinforcing rib.

[0013] Preferably, the support reinforcement is arranged perpendicularly to the surface of the support plate.

[0014] Preferably, the end of the connecting reinforcement away from the support plate is arranged in a direction away from the support reinforcement.

[0015] As a second aspect, the utility model also provides a pile foundation reinforcement cage, which comprises a reinforcement cage main body, a plurality of inner lining hoops arranged on the inner side of the reinforcement cage main body along the longitudinal direction, and an outer hoop spirally wound on the outer side of the reinforcement cage main body, and the pile foundation reinforcement cage further comprises the above-mentioned pile foundation reinforcement cage support type positioning device, the support reinforcement is connected to the inner lining hoop, and the connecting reinforcement is connected to the outer hoop.

[0016] Preferably, the pile reinforcement cage support type positioning device is longitudinally spaced and provided with multiple groups, the multiple groups of pile reinforcement cage support type positioning devices are one-to-one arranged with multiple lining stirrups, and a single group of pile reinforcement cage support type positioning devices comprises four pile reinforcement cage support type positioning devices arranged equidistantly along the circumference of the pile reinforcement cage.

[0017] The pile reinforcement cage support type positioning device has the following beneficial effects:

[0018] The pile reinforcement cage support type positioning device provided by the utility model is connected with the lining stirrup of the pile reinforcement cage through the support steel bars and the outer stirrup of the pile reinforcement cage through the connecting steel bars, so that the pile reinforcement cage can be stably fixed on the pile reinforcement cage, and the gap between the pile reinforcement cage and the hole wall of the pile hole can be accurately controlled through the abutting of the support plate with a large surface area against the side wall of the pile hole, so that the pile reinforcement cage is centrally arranged relative to the pile hole, the positioning effect is effectively improved, the positioning structure is simple and efficient, the cost is low, the pile reinforcement cage can be centrally positioned at any depth position in the pile hole by using the pile reinforcement cage support type positioning device, the pile reinforcement cage does not shake and dislocate at the deep part of the pile hole, and the construction is convenient and fast, so that the construction efficiency of the pile reinforcement cage is improved, and the construction period is shortened.

[0019] In addition to the objects, features, and advantages described above, the utility model has other objects, features, and advantages. The utility model will be further described below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0020] The drawings constituting a part of this application are used to provide a further understanding of the utility model, the schematic embodiments of the utility model and the description thereof are used to explain the utility model, and do not constitute an improper limitation on the utility model. In the drawings:

[0021] Figure 1 The utility model provides a pile reinforcement cage support type positioning device's perspective view for utility model embodiment;

[0022] Figure 2 The utility model provides a pile reinforcement cage structure schematic view for utility model embodiment;

[0023] Figure 3 The utility model provides a pile reinforcement cage support type positioning device's perspective view for utility model embodiment; Figure 2 The utility model provides a pile reinforcement cage support type positioning device's perspective view for utility model embodiment;

[0024] Legend:

[0025] 1, pile reinforcement cage support type positioning device;11, support plate;12, support steel bar;13, connecting steel bar;14, longitudinal reinforcing bar;15, transverse reinforcing bar;2, pile reinforcement cage;21, steel cage main body;22, lining stirrup;23, outer stirrup. DETAILED DESCRIPTION

[0026] The embodiments of the utility model are described in detail below in combination with the drawings, but the utility model can be implemented in various different ways limited and covered by the following.

[0027] Figures 1 to 3 The utility model discloses pile reinforcement cage support type positioning device and pile reinforcement cage provided by an embodiment of the utility model, wherein the pile reinforcement cage support type positioning device is used for positioning pile reinforcement cage, makes pile reinforcement cage keep in the middle relative pile hole, and positioning structure is simple and efficient and low in cost.

[0028] As Figure 1 The pile reinforcement cage support type positioning device 1 includes support plate 11, support reinforcement 12 and connecting reinforcement 13, the support reinforcement 12 is equipped with a row, a row of support reinforcement 12 is spaced apart on the central axis of the support plate 11 along the horizontal direction, the connecting reinforcement 13 is equipped with two groups, two groups of connecting reinforcement 13 are separately arranged on the opposite ends of the support plate 11 along the vertical direction, and the connecting reinforcement 13 and the support reinforcement 12 are arranged on the same side of the support plate 11.

[0029] Please combine Figure 2 And Figure 3 The pile reinforcement cage support type positioning device 1 is used to be installed on the pile reinforcement cage 2, the inner side of the pile reinforcement cage 2 is equipped with inner lining hoop 22, and the outer side of the pile reinforcement cage 2 is equipped with outer hoop 23. The support reinforcement 12 is used for being connected with the inner lining hoop 22 of the pile reinforcement cage 2, the connecting reinforcement 13 is used for being connected with the outer hoop 23 of the pile reinforcement cage 2, and the support plate 11 is used for abutting the side wall of the pile hole to position the pile reinforcement cage 2.

[0030] Specifically, the pile reinforcement cage support type positioning device 1 is connected with the inner lining hoop 22 of the pile reinforcement cage 2 through the support reinforcement 12 and is connected with the outer hoop 23 of the pile reinforcement cage 2 through the connecting reinforcement 13, so that it can be stably fixed on the pile reinforcement cage 2, and the clearance of the pile reinforcement cage 2 relative to the hole wall of the pile hole is accurately controlled by the support plate 11 with large surface area abutting the side wall of the pile hole, so that the pile reinforcement cage 2 is arranged in the middle relative to the pile hole, the positioning effect is effectively improved, the positioning structure is simple and efficient, and the cost is low. Secondly, the pile reinforcement cage 2 can be positioned in the middle at any depth position in the pile hole by the pile reinforcement cage support type positioning device 1, does not shake and dislocate in the deep part of the pile hole, is convenient and fast to construct, is favorable for improving the construction efficiency of the pile reinforcement cage 2 and shortening the construction period.

[0031] As Figure 1As shown, the pile reinforcement cage support type positioning device 1 further comprises longitudinal reinforcing ribs 14 arranged on the surface of the support plate 11, and the connecting steel bars 13 are connected with the end portions of the longitudinal reinforcing ribs 14. Further, the connecting steel bars 13 are arranged at the side edges of the support plate 11 and are connected and fixed by the longitudinal reinforcing ribs 14, so as to ensure the connecting strength of the connecting steel bars 13 relative to the support plate 11 and avoid the connecting steel bars 13 from being bent and deformed to affect the positioning effect of the support plate 11.

[0032] Preferably, a plurality of longitudinal reinforcing ribs 14 are arranged in the horizontal direction, and two groups of connecting steel bars 13 are arranged at opposite ends of the longitudinal reinforcing ribs 14, and each group of connecting steel bars 13 comprises a plurality of connecting steel bars 13 corresponding to the plurality of longitudinal reinforcing ribs 14. In this embodiment, three longitudinal reinforcing ribs 14 are arranged at intervals, and each group of connecting steel bars 13 comprises three connecting steel bars 13, which are connected with the three longitudinal reinforcing ribs 14 one by one, so that the two ends of each longitudinal reinforcing rib 14 are connected with the connecting steel bars 13, forming a plurality of U-shaped stress structures, so that the stress of the support plate 11 is uniform and stable.

[0033] Preferably, the connecting steel bars 13 and the longitudinal reinforcing ribs 14 are integrally formed, that is, the connecting steel bars 13 and the longitudinal reinforcing ribs 14 are formed by bending a steel bar, so as to ensure the overall structural strength and reduce the welding process, and the processing is convenient and fast.

[0034] Preferably, the support steel bars 12 are connected with the longitudinal reinforcing ribs 14, and the support steel bars 12 are arranged one by one corresponding to the longitudinal reinforcing ribs 14. Since the support steel bars 12 are arranged on the longitudinal reinforcing ribs 14, the longitudinal reinforcing ribs 14 uniformly share the force of the support steel bars 12 on the support plate 11, so as to avoid the stress of the support plate 11 from being too concentrated to cause deflection and misplacement, and further improve the stability of the support plate 11.

[0035] Preferably, the pile reinforcement cage support type positioning device 1 further comprises two transverse reinforcing ribs 15 arranged on the surface of the support plate 11, and the two transverse reinforcing ribs 15 are arranged at opposite ends of the support plate 11 in the vertical direction, and the longitudinal reinforcing ribs 14 are connected with the transverse reinforcing ribs 15. The plurality of longitudinal reinforcing ribs 14 are connected into a whole by the transverse reinforcing ribs 15, so as to make the overall structural strength higher, and the forces of the support steel bars 12 and the connecting steel bars 13 on the support plate 11 are uniformly distributed in the horizontal direction.

[0036] Preferably, the support steel bars 12 are arranged perpendicularly relative to the surface of the support plate 11, so as to stably support the middle portion of the support plate 11, and the stress effect is better.

[0037] Preferably, the connecting steel bars 13 are arranged obliquely away from one end of the support plate 11 in a direction away from the support steel bars 12, that is, the two groups of connecting steel bars 13 together form an outer eight-shaped side support structure, effectively improving the stability of the support plate 11.

[0038] Please refer to Figure 2 and Figure 3 As a second aspect, the embodiment also provides a pile foundation reinforcement cage 2, which comprises a reinforcement cage body 21, a plurality of inner tie bars 22 arranged on the inner side of the reinforcement cage body 21 and spaced apart in the longitudinal direction, and an outer tie bar 23 spirally wound on the outer side of the reinforcement cage body 21, wherein the inner tie bar 22 is a circular ring arranged in the horizontal direction.

[0039] Preferably, the pile foundation reinforcement cage 2 further comprises the above-mentioned pile foundation reinforcement cage support type positioning device 1, the support steel bars 12 are connected with the inner tie bars 22, and the connecting steel bars 13 are connected with the outer tie bar 23. The pile foundation reinforcement cage 2 is positioned by the pile foundation reinforcement cage support type positioning device 1, which can ensure that the pile foundation reinforcement cage 2 is arranged centrally relative to the pile foundation hole, effectively improve the positioning effect, and the positioning structure is simple and efficient, low in cost. Moreover, the pile foundation reinforcement cage 2 can also be centrally positioned at any depth position in the pile foundation hole by the pile foundation reinforcement cage support type positioning device 1, and will not be shaken or misaligned at the deep part of the pile foundation hole, which is convenient for construction and is conducive to improving the construction efficiency of the pile foundation reinforcement cage and shortening the construction period.

[0040] Preferably, a plurality of groups of the pile foundation reinforcement cage support type positioning device 1 are arranged spaced apart in the longitudinal direction, and each group of the pile foundation reinforcement cage support type positioning device 1 is arranged one-to-one with a plurality of inner tie bars 21. Each group of the pile foundation reinforcement cage support type positioning device 1 comprises four pile foundation reinforcement cage support type positioning devices 1 arranged equidistantly along the circumference of the reinforcement cage body 21. That is, each group of the pile foundation reinforcement cage support type positioning device 1 comprises four pile foundation reinforcement cage support type positioning devices 1 arranged in four orthogonal directions on the reinforcement cage body 21, so that the pile foundation reinforcement cage 2 can be stably positioned at the central position of the pile foundation hole. In other embodiments, the specific number of the pile foundation reinforcement cage support type positioning device 1 in each group can also be adjusted according to the actual size of the pile foundation reinforcement cage 2. For example, when the diameter of the pile foundation reinforcement cage 2 is small, each group of the pile foundation reinforcement cage support type positioning device 1 only needs to comprise three pile foundation reinforcement cage support type positioning devices 1, and when the diameter of the pile foundation reinforcement cage 2 is large, each group of the pile foundation reinforcement cage support type positioning device 1 can comprise five or more than five pile foundation reinforcement cage support type positioning devices 1 to adapt to different positioning needs and meet the positioning effect.

[0041] The above merely describes preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A pile cage support type positioning device, characterised in that, The pile reinforcement cage support type positioning device comprises a support plate (11), a row of support steels (12) arranged on the central axis of the support plate (11) in the horizontal direction, and two groups of connecting steels (13) arranged at opposite ends of the support plate (11) in the vertical direction, the connecting steels (13) and the support steels (12) are arranged on the same surface of the support plate (11), the support steels (12) are used for connecting with the inner lining stirrups (22) of the pile reinforcement cage (2), the connecting steels (13) are used for connecting with the outer stirrups (23) of the pile reinforcement cage (2), and the support plate (11) is used for abutting against the side wall of the pile hole to position the pile reinforcement cage (2).

2. A pile cage support positioning device according to claim 1, characterised in that, The pile reinforcement cage support type positioning device further comprises longitudinal reinforcing ribs (14) arranged on the surface of the support plate (11).

3. A pile cage support positioning device according to claim 2, wherein, The longitudinal reinforcing ribs (14) are arranged in multiple rows in the horizontal direction, and each group of connecting steels (13) comprises multiple connecting steels (13) corresponding to the multiple longitudinal reinforcing ribs (14).

4. A pile cage support positioning device according to claim 2, wherein, The connecting steels (13) and the longitudinal reinforcing ribs (14) are integrally formed.

5. A pile cage support positioning device according to claim 2, wherein, The support steels (12) are connected with the longitudinal reinforcing ribs (14), and the support steels (12) are arranged in one-to-one correspondence with the longitudinal reinforcing ribs (14).

6. A pile cage support positioning device according to claim 2, wherein, The pile reinforcement cage support type positioning device further comprises two transverse reinforcing ribs (15) arranged on the surface of the support plate (11), and the two transverse reinforcing ribs (15) are arranged at opposite ends of the support plate (11) in the vertical direction, and the longitudinal reinforcing ribs (14) are connected with the transverse reinforcing ribs (15).

7. A pile cage support positioning device according to claim 1, wherein The support steels (12) are arranged perpendicularly relative to the surface of the support plate (11).

8. A pile cage support positioning device according to claim 1, characterised in that, The end of the connecting steel (13) away from the support plate (11) is arranged in an inclined manner away from the support steel (12).

9. A pile foundation reinforcement cage comprising a reinforcement cage body (21), a plurality of inner tie reinforcements (22) provided on the inner side of the reinforcement cage body (21) and arranged at intervals in the longitudinal direction, and an outer tie reinforcement (23) spirally wound on the outer side of the reinforcement cage body (21), characterized in that, The pile reinforcement cage further comprises the pile reinforcement cage support type positioning device according to any one of claims 1 to 8, the support steels (12) are connected with the inner lining stirrups (22), and the connecting steels (13) are connected with the outer stirrups (23).

10. A pile mat as claimed in claim 9, characterised in that Multiple groups of the pile reinforcement cage support type positioning device are arranged in the longitudinal direction, and multiple groups of the pile reinforcement cage support type positioning device are arranged in one-to-one correspondence with multiple inner lining stirrups (22), and a single group of the pile reinforcement cage support type positioning device comprises four pile reinforcement cage support type positioning devices arranged equidistantly in the circumferential direction of the pile reinforcement cage.

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