Protective device of cast-in-place pile

Abstract

The utility model discloses a protective device for cast-in-place piles, which belongs to the technical field of cast-in-place pile construction, and comprises a protective frame and a support frame for supporting the cast-in-place piles with different pile diameters, the protective frame comprises two groups of transverse channel steel, two groups of longitudinal channel steel and two groups of steel plates, the two sets of transverse steel channels and the two sets of longitudinal steel channels are combined to form a protective inner frame, the steel plates are arranged on the outer side wall of the protective inner frame, connecting holes are formed in the top ends of the steel plates, the four sets of steel plates are arranged and combined to form a protective outer frame, the supporting frame is arranged at the top end of the protective inner frame, and a U-shaped rod is fixedly welded to the top end of the supporting frame. Therefore, the operation of the anti-overflow measure is simplified, the anti-overflow device can adapt to pile diameters with different diameters, the application range is widened, and the repeated utilization rate of the anti-overflow device is increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of cast-in-place pile construction technology, in particular to a protection device for cast-in-place pile. BACKGROUND

[0002] The cast-in-place pile is a kind of pile made by pouring concrete or reinforced concrete into hole, in the construction of rotary drilling cast-in-place pile, the wall protection mud is easy to overflow from the hole, leading to muddy field, affecting construction efficiency and safety, therefore, in order to prevent mud overflow, it is usually necessary to take anti-overflow measures.

[0003] The existing anti-overflow measures are usually cofferdam method: a large amount of earthwork or sandbags are needed, which is high in cost and difficult to adapt to different pile diameters, diversion channel method: only can collect mud locally, cannot prevent overflow completely, fixed type casing: time-consuming to install, and cannot move with the drilling machine, leading to complex operation of anti-overflow measures, cannot adapt to different pile diameters, reduces the scope of application, and reduces the reuse rate, therefore, we need to propose a protection device for cast-in-place pile. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a protection device for cast-in-place pile, which can be combined into a protective inner frame and a protective outer frame through the cooperation of horizontal groove steel, vertical groove steel and steel plate, and then the protective inner frame and the protective outer frame are combined into a protective frame, the cast-in-place pile is covered to prevent mud overflow, and the protective frame can be disassembled and transferred to the next pile position for reuse after the cast-in-place pile is formed, the support frame can support cast-in-place piles of different diameters, thereby simplifying the operation of anti-overflow measures, adapting to different pile diameters, improving the scope of application, and improving the reuse rate of the protection device, to solve the problems in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a protection device for cast-in-place pile, which comprises a protective frame, and further comprises a support frame for supporting cast-in-place piles of different diameters, the protective frame comprises horizontal groove steel, vertical groove steel and steel plate, the horizontal groove steel and the vertical groove steel are both provided with two groups, the two groups of horizontal groove steel and vertical groove steel are combined into a protective inner frame, the steel plate is arranged on the outer side wall of the protective inner frame, the top end of the steel plate is provided with a connecting hole, the steel plate is provided with four groups, and the four groups of steel plates are combined into a protective outer frame, the support frame is arranged at the top end of the protective inner frame, and the top end of the support frame is welded with a U-shaped rod.

[0006] Preferably, the inner cavity of the protective outer frame is provided with a reinforcing plate, the two ends of the reinforcing plate are welded with the inner side wall of the protective outer frame, the reinforcing plate is arranged in an inclined manner, and the reinforcing plate is arranged at the top end of the protective outer frame.

[0007] Preferably, the inner cavity of the protective outer frame is also provided with a reinforcing block, both ends of the reinforcing block are welded and fixed with the inner side wall of the protective outer frame, the reinforcing block is triangularly arranged, and the reinforcing block is arranged at the bottom end of the protective outer frame.

[0008] Preferably, the four peripheries of the protective outer frame are provided with lifting lugs, the inner side wall of the lifting lug is welded and fixed with a U-shaped connecting rod, and the surface of the U-shaped connecting rod is slidably connected with the inner cavity of the connecting hole.

[0009] Preferably, the support frame comprises a horizontal support plate and a vertical support plate, the horizontal support plate is arranged at the top end of the horizontal channel steel, the vertical support plate is arranged at the top end of the vertical channel steel, both sides of the horizontal support plate and the vertical support plate are welded and fixed with a connecting seat, a sliding groove is formed in the bottom end of the connecting seat, a sliding rail is slidably connected in the inner cavity of the sliding groove, and a positioning structure is arranged on the surface of the connecting seat.

[0010] Preferably, the positioning structure comprises an adjusting hole and a positioning hole, the adjusting hole is formed in the surface of the connecting seat, the inner cavity of the adjusting hole is communicated with the inner cavity of the sliding groove, a positioning pin is slidably inserted into the inner cavity of the adjusting hole, the positioning hole is formed in the upper surface of the sliding rail, and the surface of the positioning pin is matched and clamped with the inner cavity of the positioning hole.

[0011] Preferably, the bottom end of the sliding rail is welded and fixed with a mounting seat, the surface of the mounting seat is provided with a mounting hole, the upper surfaces of the horizontal channel steel and the vertical channel steel are provided with threaded holes, and the mounting hole and the threaded hole are bolted.

[0012] Preferably, the inner side wall of the protective outer frame is welded and fixed with a limiting plate, the limiting plate is arranged at the bottom end of the protective inner frame, and the limiting plate is provided with a plurality of groups.

[0013] Preferably, the four peripheries of the protective outer frame are welded and fixed with a positioning plate, the surface of the positioning plate is welded and fixed with a movable sleeve, and the inner cavity of the movable sleeve is slidably inserted with a ground peg.

[0014] Preferably, the horizontal channel steel and the vertical channel steel are arranged in a U-shaped manner, and the inner cavities of the horizontal channel steel and the vertical channel steel are attached to the surface of the steel plate.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] The utility model provides a protection device of bored pile, through the cooperation of cross groove steel and longitudinal groove steel, the cross groove steel and longitudinal groove steel are welded after combination, make the protection inner frame form, then the steel sheet is combined and welded, after the welding of protection outer frame, the protection outer frame covers the bored pile and shields mud, then the protection inner frame is combined into the protection frame in the inner chamber of protection outer frame, finally the support frame is connected with the protection inner frame, the diameter of support frame is adjusted according to the diameter of bored pile, the support frame can support the bored pile, after the pouring is completed, the protection frame is disassembled, shifts to the next stake position and uses, thereby the operation of anti -overflow measure is simplified, can adapt to the stake diameter of different diameters, promotes the scope of application, improves the reuse of protection device.

[0017] Other features and advantages of the present utility model will be set forth in the following description of the utility model, and, in part, will become apparent to those skilled in the art from the description, or recognized by practicing the utility model as hereinafter described. The objects and other advantages of the present utility model will be realized and attained by the structure particularly pointed out in the written description and claims thereof as hereinafter set forth. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the structure schematic diagram of the utility model from the top;

[0020] Figure 3 It is the structure schematic diagram of the utility model decomposition;

[0021] Figure 4 It is the structure schematic diagram of the utility model cross support plate dismounts slide rail.

[0022] In the drawing: 1, protection frame;11, cross groove steel;12, longitudinal groove steel;13, steel plate;2, support frame;21, cross support plate;22, longitudinal support plate;23, connecting seat;24, sliding groove;25, slide rail;26, adjusting hole;27, positioning hole;3, connecting hole;4, U type rod;5, reinforcing plate;6, reinforcing block;7, U type connecting rod;8, mounting seat;9, mounting hole;30, screw hole;31, limiting plate;32, positioning plate;33, movable sleeve;34, ground peg. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be apparently, completely described below in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments only are a part of embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0024] Please refer toFigures 1-4 The utility model provides a kind of technical scheme: a bored pile's protection device, including protection frame 1, further include the support frame 2 for supporting the bored pile of different pile diameter, protection frame 1 includes cross channel steel 11, longitudinal channel steel 12 and steel plate 13, cross channel steel 11 and longitudinal channel steel 12 are all provided with two groups, two groups of cross channel steel 11 and longitudinal channel steel 12 are combined into protective inner frame, steel plate 13 is arranged in the outer side wall of protective inner frame, the top of steel plate 13 is provided with connecting hole 3, steel plate 13 is provided with four groups, four groups of steel plate 13 are combined into protective outer frame, support frame 2 is arranged in the top of protective inner frame, and the top of support frame 2 is welded with U-shaped rod 4;

[0025] Specifically, during installation, first, four groups of steel plates 13 are combined and welded, the steel plates 13 are welded into a protective outer frame, then the bored pile is covered, then two groups of cross channel steel 11 and longitudinal channel steel 12 are combined, the cross channel steel 11 and longitudinal channel steel 12 are welded into a protective inner frame, then the protective inner frame is placed into the inner cavity of the protective outer frame for assembly, finally, a mounting frame is mounted on the top of the protective inner frame, the diameter in the support frame 2 is adjusted according to the diameter of the bored pile, so that the support frame 2 can support the bored pile with different diameters, after the bored pile is formed, the protection frame 1 is disassembled and transferred to the next pile position for use, thereby simplifying the operation of the anti-overflow measure, adapting to different diameters of the pile, improving the applicable range, and improving the reusability of the protection device.

[0026] Further, as shown in Figure 1 , the inner cavity of the protective outer frame is provided with a reinforcing plate 5, both ends of the reinforcing plate 5 are welded and fixed with the inner side wall of the protective outer frame, the reinforcing plate 5 is arranged in an inclined manner, the reinforcing plate 5 is arranged at the top of the protective outer frame, the four corners at the top of the protective outer frame are reinforced by the arrangement of the reinforcing plate 5, the stability of the connection between the steel plates 13 is improved, and the stability of the protection frame 1 is improved.

[0027] Preferably, as shown in Figure 3 , the inner cavity of the protective outer frame is further provided with a reinforcing block 6, both ends of the reinforcing block 6 are welded and fixed with the inner side wall of the protective outer frame, the reinforcing block 6 is arranged in a triangular shape, the reinforcing block 6 is arranged at the bottom of the protective outer frame, the bottom of the protective outer frame is reinforced and supported by the arrangement of the reinforcing block 6, the triangular shape has good stability, and deformation of the bottom of the protective outer frame is avoided after being subjected to gravity.

[0028] In addition, the protective outer frame is provided with lifting lugs around, the inner side wall of the lifting lug is welded and fixed with a U-shaped connecting rod 7, the surface of the U-shaped connecting rod 7 is slidably connected with the inner cavity of the connecting hole 3, the U-shaped connecting rod 7 is inserted into the inner cavity of the connecting hole 3 by taking the lifting lug close to the connecting hole 3, and assembly is completed, the protective outer frame can be transferred by connecting the lifting equipment with the lifting lug during disassembly, the U-shaped connecting rod 7 can be disassembled when the protection frame 1 is used, and the mud recovery pipe can pass through the connecting hole 3 to enter the inner cavity of the protection frame 1 for use.

[0029] Further, as shown in Figure 4 The support frame 2 comprises a horizontal support plate 21 and a vertical support plate 22, the horizontal support plate 21 is arranged at the top end of the vertical channel steel 12, the vertical support plate 22 is arranged at the top end of the horizontal channel steel 11, both sides of the horizontal support plate 21 and the vertical support plate 22 are welded and fixed with a connecting seat 23, the bottom end of the connecting seat 23 is provided with a sliding groove 24, the inner cavity of the sliding groove 24 is slidably connected with a sliding rail 25, the surface of the connecting seat 23 is provided with a positioning structure, the horizontal support plate 21 and the vertical support plate 22 are both provided with two groups, through the cooperation of the sliding groove 24 and the sliding rail 25, the horizontal support plate 21 or the vertical support plate 22 can slide on the sliding rail 25 through the connecting seat 23, after adjusting the distance between the two groups of horizontal support plates 21 and the two groups of vertical support plates 22, and positioning through the positioning structure, the support diameter in the support frame 2 is adjusted, and different diameter bored piles can be supported.

[0030] In addition, the positioning structure comprises an adjusting hole 26 and a positioning hole 27, the adjusting hole 26 is arranged on the surface of the connecting seat 23, the inner cavity of the adjusting hole 26 is communicated with the inner cavity of the sliding groove 24, a positioning pin is slidably inserted into the inner cavity of the adjusting hole 26, the positioning hole 27 is arranged on the upper surface of the sliding rail 25, the surface of the positioning pin is matched and clamped with the inner cavity of the positioning hole 27, after adjusting the position of the connecting seat 23 on the sliding rail 25, the positioning pin is inserted into the inner cavity of the adjusting hole 26 and extends to the inner cavity of the positioning hole 27, so that the position of the connecting seat 23 on the sliding rail 25 can be positioned.

[0031] Preferably, the bottom end of the sliding rail 25 is welded and fixed with a mounting seat 8, the surface of the mounting seat 8 is provided with a mounting hole 9, the upper surfaces of the horizontal channel steel 11 and the vertical channel steel 12 are both provided with a threaded hole 30, the mounting hole 9 and the threaded hole 30 are bolted, through the cooperation between the mounting hole 9 and the threaded hole 30, the sliding rail 25 can be disassembled with the horizontal channel steel 11 and the vertical channel steel 12, which is convenient for later maintenance and replacement of the support frame 2.

[0032] Specifically, the inner side wall of the protective outer frame is welded and fixed with a limiting plate 31, the limiting plate 31 is arranged at the bottom end of the protective inner frame, and the limiting plate 31 is arranged in several groups, through the arrangement of the limiting plate 31, the bottom end of the protective inner frame can be supported, and the combination between the protective inner frame and the protective outer frame is facilitated.

[0033] Further, the periphery of the protective outer frame is welded and fixed with a positioning plate 32, the surface of the positioning plate 32 is welded and fixed with a movable sleeve 33, the inner cavity of the movable sleeve 33 is slidably inserted with a ground plug 34, after the combination of the protective frame 1 is completed, the ground plug 34 is inserted into the movable sleeve 33, the worker steps on the ground plug 34, so that the ground plug 34 is inserted into the ground, and the stability of the protective frame 1 on the ground is improved.

[0034] Preferably, the transverse channel steel 11 and the longitudinal channel steel 12 are arranged in a U shape, and the inner cavities of the transverse channel steel 11 and the longitudinal channel steel 12 are attached to the surface of the steel plate 13. By arranging the transverse channel steel 11 and the longitudinal channel steel 12, the weight of the transverse channel steel 11 and the longitudinal channel steel 12 is reduced, and the staff can conveniently transfer the protective inner frame.

[0035] In specific use: during installation, first, four groups of steel plates 13 are combined, then welding work is performed, the protective outer frame is welded, then the cast pile is covered, then two groups of transverse channel steels 11 and two groups of longitudinal channel steels 12 are combined, the protective inner frame is welded after combination, then the reinforcing block 6 is welded, then the support frame 2 is bolted on the protective inner frame, the protective inner frame is lifted and installed inside the protective outer frame, then the transverse support plates 21 and the longitudinal support plates 22 are pushed to move on the slide rails 25, the distance between the two groups of transverse support plates 21 and the two groups of longitudinal support plates 22 is adjusted, then the positioning pin is inserted into the adjusting hole 26 and extends into the inner cavity of the positioning hole 27, the position of the adjusted transverse support plate 21 and the longitudinal support plate 22 is positioned, the diameter of the inner cavity of the support frame 2 is adjusted, the cast pile can be supported, then the reinforcing plate 5 is assembled with the protective outer frame, then welding is performed for fixation, finally, the ground peg 34 is inserted into the movable sleeve 33 and into the ground, the installation operation of the overflow measure is completed, after the cast pile is formed, the protective frame 1 is disassembled and transferred to the next pile position, and the use can continue, thereby simplifying the operation of the overflow prevention measure, the pile diameter can be adapted to different diameters, the application range is improved, and the reuse rate of the protective device is improved.

[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A protection device for a cast-in-place pile, comprising a protection frame (1), characterized in that: It also includes a support frame (2) for supporting different pile diameters of cast-in-place piles; The protective frame (1) comprises horizontal channel steel (11), vertical channel steel (12) and steel plate (13), the horizontal channel steel (11) and vertical channel steel (12) are provided with two groups, two groups of the horizontal channel steel (11) and vertical channel steel (12) are combined into protective inner frame; The steel plate (13) is arranged on the outer side wall of the protective inner frame, the top end of the steel plate (13) is provided with a connecting hole (3), the steel plate (13) is provided with four groups, and the four groups of the steel plate (13) are combined into protective outer frame; The support frame (2) is arranged at the top end of the protective inner frame, and the top end of the support frame (2) is welded with a U-shaped rod (4).

2. A device according to claim 1, characterised in that: The inner cavity of the protective outer frame is provided with a reinforcing plate (5), both ends of the reinforcing plate (5) are welded with the inner side wall of the protective outer frame, the reinforcing plate (5) is arranged in an inclined manner, and the reinforcing plate (5) is arranged at the top end of the protective outer frame.

3. A device according to claim 1, wherein: The inner cavity of the protective outer frame is also provided with a reinforcing block (6), both ends of the reinforcing block (6) are welded with the inner side wall of the protective outer frame, the reinforcing block (6) is arranged in a triangular shape, and the reinforcing block (6) is arranged at the bottom end of the protective outer frame.

4. A device according to claim 1, wherein: The protective outer frame is provided with a lifting lug around, the inner side wall of the lifting lug is welded with a U-shaped connecting rod (7), and the surface of the U-shaped connecting rod (7) is slidably connected with the inner cavity of the connecting hole (3).

5. A device according to claim 1, wherein: The support frame (2) comprises horizontal support plate (21) and vertical support plate (22), the horizontal support plate (21) is arranged at the top end of the vertical channel steel (12), the vertical support plate (22) is arranged at the top end of the horizontal channel steel (11), both sides of the horizontal support plate (21) and the vertical support plate (22) are welded with a connecting seat (23), the bottom end of the connecting seat (23) is provided with a sliding groove (24), the inner cavity of the sliding groove (24) is slidably connected with a sliding rail (25), and the surface of the connecting seat (23) is provided with a positioning structure.

6. A device according to claim 5, wherein: The positioning structure comprises an adjusting hole (26) and a positioning hole (27), the adjusting hole (26) is formed in the surface of the connecting seat (23), the inner cavity of the adjusting hole (26) is communicated with the inner cavity of the sliding groove (24), a positioning pin is slidably inserted into the inner cavity of the adjusting hole (26), and the positioning hole (27) is formed in the upper surface of the sliding rail (25).

7. A device according to claim 5, wherein: The bottom end of the sliding rail (25) is welded with a mounting seat (8), the surface of the mounting seat (8) is provided with a mounting hole (9), the upper surfaces of the horizontal channel steel (11) and the vertical channel steel (12) are provided with threaded holes (30), and the mounting hole (9) and the threaded hole (30) are bolted.

8. A device according to claim 1, wherein: The inner side wall of the protective outer frame is welded with a limiting plate (31), the limiting plate (31) is arranged at the bottom end of the protective inner frame, and the limiting plate (31) is provided with a plurality of groups.

9. A device according to claim 1, wherein: The positioning plate (32) is welded and fixed on the four sides of the protective frame, the surface of the positioning plate (32) is welded and fixed with a movable sleeve (33), and the inner cavity of the movable sleeve (33) is slidably connected with a ground peg (34).

10. A device according to claim 1, characterised in that: The horizontal channel steel (11) and the vertical channel steel (12) are both arranged in a U shape, and the inner cavities of the horizontal channel steel (11) and the vertical channel steel (12) are attached to the surface of the steel plate (13).

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