Protective layer positioning framework based on building pile foundation steel bars

Abstract

The utility model discloses a protective layer positioning framework based on building pile foundation steel bars, which comprises a fixed-distance cushion pipe component, a fixed-distance cushion pipe component and a fixed-distance cushion pipe component, the fixed-distance cushion pipe component comprises a distance guaranteeing pipe and a fixed-connection structure arranged on the distance guaranteeing pipe, the distance guaranteeing pipe is arranged on the outer side surface of the pile foundation steel bars, and the diameter of the distance guaranteeing pipe is equal to the thickness of a protective layer; the pile casing structure is fixedly connected with the fixed connection structure, and the pipeline piece is fixedly arranged between the inner wall of the pile casing structure and the outer side face of the pile foundation steel bar through the fixed connection structure; the multiple sets of distance pipe cushion assemblies are arranged, and the distance pipe cushion assemblies are evenly arranged along the outer side faces of the pile foundation steel bars in an array mode. The technical problem that in the prior art, in the pile foundation steel bar construction process, the thickness of a protection layer is not uniform, steel bars are exposed, and consequently the durability of a pile foundation is poor is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge construction technology field, specifically, relate to a kind of protection layer positioning framework based on structure pile foundation reinforcement. BACKGROUND

[0002] In the field of bridge construction engineering, pile foundation as the foundation support structure of structure, its stability and durability are crucial. Pile foundation reinforcement bears the main stress, and the setting of reinforcement cover is crucial to ensure that pile foundation reinforcement is not eroded by the outside world and maintain the long-term performance of the structure.

[0003] In the prior art, for the construction of pile foundation reinforcement protection layer, a cushion block is usually set to control the thickness of the reinforcement protection layer. However, the traditional cushion block has many problems. On the one hand, the cushion block is easily displaced or broken during concrete pouring, resulting in uneven thickness of the protection layer. On the other hand, the displacement of the cushion block can cause the steel to be partially exposed, which can be corroded by water vapor and corrosive media, reducing the durability of the pile foundation and endangering the long-term use of the structure. UTILITY MODEL CONTENT

[0004] Therefore, the utility model provides a protection layer positioning framework based on structure pile foundation reinforcement to solve the technical problem of poor durability of pile foundation caused by uneven thickness of protection layer and exposed reinforcement during the construction process of pile foundation reinforcement in the prior art.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] A protection layer positioning framework based on structure pile foundation reinforcement, comprising:

[0007] A distance pad pipe assembly, including a distance guarantee pipe and a fixed structure provided on the distance guarantee pipe. The distance guarantee pipe is provided in several groups, and is uniformly arrayed along the outer side of the pile foundation reinforcement. The diameter of the distance guarantee pipe is equal to the thickness of the protection layer.

[0008] A casing structure, which is fixedly connected with the fixed structure;

[0009] The distance guarantee pipe is fixedly arranged between the inner wall of the casing structure and the outer side of the pile foundation reinforcement through the fixed structure.

[0010] Based on the above technical scheme, the utility model is further described as follows:

[0011] As a further scheme of the utility model,

[0012] The length of the spacing guarantee pipe is set as one third to one half of the length of the pile foundation steel bar, and the spacing guarantee pipe is arranged along the upper one third to one half length of the pile foundation steel bar.

[0013] As a further scheme of the utility model,

[0014] The fixed structure comprises a hooking piece, the hooking piece is provided with a bending part, and the bending part is arranged in hooking connection with the outer circumferential wall of the casing structure.

[0015] As a further scheme of the utility model,

[0016] The spacing guarantee pipe comprises a plurality of unit pipes.

[0017] Both ends of the unit pipe are provided with the hooking piece, and adjacent unit pipes are sequentially connected through the hooking piece.

[0018] As a further scheme of the utility model,

[0019] The unit pipe is internally provided with an inner core pipe, the inner core pipe is a cylindrical body, and a plurality of auxiliary sliding grooves extending along the axial direction of the inner core pipe are formed in the outer side surface of the inner core pipe, and each auxiliary sliding groove is internally provided with a corresponding limiting protrusion.

[0020] The inner side surface of the unit pipe is provided with a plurality of sliding protrusions in one-to-one sliding cooperation with the auxiliary sliding grooves, and the limiting protrusion is arranged on the sliding path of the sliding protrusion along the auxiliary sliding groove.

[0021] The inner diameter of the unit pipe can be sleeved on the outer diameter of the inner core pipe located below when the limiting protrusion and the sliding protrusion are in abutting state.

[0022] As a further scheme of the utility model,

[0023] The inner side surface of the unit pipe is further provided with an anti-disengagement protrusion, the anti-disengagement protrusion is arranged on the sliding path of the sliding protrusion along the auxiliary sliding groove, and the limiting protrusion is arranged between the anti-disengagement protrusion and the sliding protrusion.

[0024] As a further scheme of the utility model,

[0025] The limiting protrusion is arranged in the middle part of the auxiliary sliding groove, and the length of the inner core pipe is longer than the length of the unit pipe.

[0026] The lower end of the unit pipe can be abuttingly arranged on the upper end of the unit pipe located below when the limiting protrusion and the sliding protrusion are in abutting state.

[0027] As a further scheme of the utility model, further include:

[0028] The electromagnet structure is fixedly arranged on the outer side of the unit pipeline, and is used for fixedly connecting with the inner wall of the casing structure when electrified.

[0029] As a further scheme of the utility model, further include:

[0030] The fixed structure further includes a plurality of auxiliary fixing structures, the auxiliary fixing structure includes a mounting seat, an extrusion plate and a locking piece;

[0031] The mounting seat includes a supporting connecting seat, the supporting connecting seat is provided with a supporting clamping groove matched with the side wall of the casing structure, the inner side of the supporting connecting seat is provided with a positioning bolt rod and two limiting bolt rods, the extrusion plate is provided with a first perforation and two second perforations corresponding to the positioning bolt rod and the two limiting bolt rods, the positioning bolt rod is matched with the perforation of the curved part of the hook piece, and the hook piece is arranged between the two limiting bolt rods.

[0032] The extrusion plate is arranged on the side of the hook piece close to the pile reinforcement, and the extrusion plate is fixed to the positioning bolt rod through the locking piece.

[0033] The utility model has the advantages of:

[0034] The device can fix the fixed-distance cushion pipe assembly array between the inner wall of the casing structure and the outer side of the pile reinforcement through the fixed structure, so as to ensure the stability of the interval between the reinforcement and the external casing, that is, the thickness of the protection layer can be effectively guaranteed, and the fixed-distance cushion pipe assembly can be stably fixed to the casing structure through the electromagnet structure to effectively prevent displacement and guarantee the accuracy of the pile reinforcement protection layer. In addition, the auxiliary fixing structure can further improve the connection between the fixed-distance cushion pipe assembly and the casing structure, significantly improve the stability and functional practicability of the overall structure. BRIEF DESCRIPTION OF DRAWINGS

[0035] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. The structure, proportion, size, etc. shown in the specification are only used to cooperate with the content disclosed in the specification, so as to be understood and read by those skilled in the art. Any modification of structure, change of proportion relationship or adjustment of size, which does not affect the effects and purposes of the utility model, should still fall within the scope of the technical content disclosed in the utility model.

[0036] Figure 1This is an overall isometric structural diagram of the protective layer positioning architecture based on the pile foundation reinforcement of a structure provided in this embodiment of the utility model.

[0037] Figure 2 This is a schematic diagram of the internal structure of the protective layer positioning architecture based on the pile foundation reinforcement of the present utility model.

[0038] Figure 3 This is a schematic diagram of the assembly structure of the unit pipe within the casing structure in the protective layer positioning architecture based on the pile foundation reinforcement of the present utility model.

[0039] Figure 4 The protective layer positioning structure based on the reinforcing steel pile foundation of the present invention is provided in the embodiments of this utility model. Figure 3 Enlarged diagram of point A in the middle.

[0040] Figure 5 A schematic diagram of the inner core tube in the protective layer positioning structure based on the pile foundation reinforcement of the present utility model.

[0041] Figure 6 This is a schematic diagram of the structure of the protective layer positioning framework based on the pile foundation reinforcement of the present utility model, showing the state of contact between the limiting protrusion and the sliding protrusion of the spacing guarantee pipe in the middle of the structure.

[0042] Figure 7 A schematic diagram of the electromagnet structure in the protective layer positioning framework based on the pile foundation reinforcement of the present utility model.

[0043] The attached diagram lists the components represented by each number as follows:

[0044] 1-Spacing pad assembly: 11-Spacing guarantee pipe, 111-Unit pipe, 1111-Sliding protrusion, 1112-Anti-detachment protrusion, 112-Inner core fitting, 1121-Auxiliary sliding groove, 1122-Limiting protrusion;

[0045] 2-Fixed structure: 21-Hook, 211-Bent part, 212-Connecting rod;

[0046] 3-Casing structure;

[0047] 4-Electromagnet structure: 41-Support frame;

[0048] 5-Auxiliary fixing structure: 51-Mounting base, 52-Support slot, 53-Extrusion plate, 54-Locking part, 541-First nut, 542-Second nut, 55-Positioning bolt rod, 56-Limiting bolt rod;

[0049] 6-Pile foundation reinforcement. Detailed Implementation

[0050] The following embodiments of the present application are described by specific examples, and those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in the specification. Obviously, the described embodiments are only some of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0051] The terms such as "upper", "lower", "left", "right", "middle" and the like referred to in the specification are only for the convenience of clear description, and are not intended to limit the scope of the present application. Change or adjustment of the relative relationship without substantial change of the technical content is also considered as the scope of the present application.

[0052] As shown in Figures 1 to 7 The embodiment of the present application provides a kind of based on structure pile reinforcement protective layer positioning framework, including fixed distance pad tube component 1, fixed structure 2, casing structure 3, electromagnet structure 4 and auxiliary fixing structure 5, to be fixed with fixed distance pad tube component 1 array distribution in the inner wall of the casing structure 3 and the outside of the pile reinforcement 6 by fixed structure 2, to ensure the interval stability between reinforcement and external casing, can effectively guarantee the thickness uniformity of protective layer, and can be stabilized and fixed with fixed distance pad tube component 1 lower part in casing structure 3 by electromagnet structure 4 to effectively prevent displacement, improve the accuracy of pile reinforcement 6 protective layer, in addition, fixed distance pad tube component 1 and casing structure 3 can be further fixed by auxiliary fixing structure 5 Connection effect, enhanced overall structural stability and practicality.

[0053] Specifically set as follows:

[0054] Please refer to Figure 1 And Figure 2 , the fixed distance pad tube component 1 includes spacing guarantee pipe 11, the spacing guarantee pipe 11 is provided as several groups, and the spacing guarantee pipe 11 is evenly arrayed along the outside of the pile reinforcement 6, the fixed structure 2 is arranged at the end of the spacing guarantee pipe 11, the casing structure 3 is fixedly connected with the fixed structure 2, so that the spacing guarantee pipe 11 is fixedly arranged between the inner wall of the casing structure 3 and the outside of the pile reinforcement 6 by the fixed structure 2, wherein the spacing guarantee pipe 11 can be used, but not limited to steel pipe, alloy pipe, and the diameter of the spacing guarantee pipe 11 is equal to the thickness of the protective layer required by design, so as to create a suitable protective layer for the pile reinforcement 6, ensure the accurate adaptation of protection efficiency, avoid potential risks caused by excessive or insufficient thickness of protective layer, so as to ensure that the pile reinforcement 6 is in stable and safe functional state for a long time, thereby effectively prolonging the service life of pile foundation.

[0055] Please refer to Figure 2 , the length of the spacing protection pipe 11 is set to one third to one half of the length of the pile reinforcement 6, and the spacing protection pipe 11 is arranged along the upper one third to one half of the length of the pile reinforcement 6. This length range can not only guarantee that the pile reinforcement 6 is sufficiently supported in the key stress domain, but also avoid excessive consumption of materials caused by pipe length redundancy. The spacing protection pipe 11 provides effective lateral support for the pile reinforcement 6, prevents the pile reinforcement 6 from lateral displacement under complex stress conditions, ensures that the pile reinforcement 6 is always in the designed predetermined position, and further guarantees the overall stability of the pile reinforcement 6.

[0056] Please continue to refer to Figure 2 , the fixed structure 2 includes a hook member 21, the hook member 21 is provided with a bending portion 211, the hook member 21 can be but is not limited to a reinforcing bar, and the bending portion 211 is configured as a structure with a semicircular arc profile formed at one end of the hook member 21 by a bending process. The semicircular arc structure is adapted to the outer circumferential wall of the casing structure 3, and the hook member 21 is connected to the outer circumferential wall of the casing structure 3 by the bending portion 211 to provide stable connection support for the entire device.

[0057] As a preferred embodiment of the present embodiment, please refer to Figure 3 , the spacing protection pipe 11 includes a plurality of unit pipes 111, the length of the unit pipe 111 is set to one tenth of the length of the pile reinforcement 6, both ends of the unit pipe 111 are provided with the hook member 21, and adjacent unit pipes 111 are connected in sequence by the hook member 21. In the embodiment, the hook member 21 is but is not limited to a lock type hook, which ensures the stability of the connection between the two unit pipes 111. By disassembling the spacing protection pipe 11 with a length of about 10 meters into a plurality of unit pipes 111 with a spacing of about 3 meters, the convenience of the transportation link is significantly improved without affecting the overall protection effectiveness of the spacing protection pipe 11.

[0058] As another preferred embodiment of the present embodiment, please refer to Figure 5 and Figure 6The unit pipe 111 is internally provided with an inner core pipe 112, the inner core pipe 112 is provided as a cylindrical body, and a plurality of auxiliary sliding grooves 1121 extending in the axial direction of the inner core pipe 112 are opened on the outer side of the inner core pipe 112, and each of the auxiliary sliding grooves 1121 is internally provided with a corresponding limiting protrusion 1122, the inner side of the unit pipe 111 is provided with a plurality of sliding protrusions 1111 which are in one-to-one sliding fit with the auxiliary sliding grooves 1121, and the limiting protrusion 1122 is arranged on the sliding path of the sliding protrusion 1111; the inner diameter of the unit pipe 111 can be sleeved on the outer diameter of the inner core pipe 112 below when the limiting protrusion 1122 and the sliding protrusion 1111 are in the abutting state, when the limiting protrusion 1122 and the sliding protrusion 1111 abut, not only the accurate positioning of the unit pipe 111 in the radial direction is ensured to prevent it from shifting or shaking, the stability of the whole distance guarantee pipe 11 structure is ensured, and then the continuous and accurate protection of the pile reinforcement 6 is provided, and the unit pipe 111 can be conveniently sleeved on the outer diameter of the lower inner core pipe 112, which greatly improves the efficiency of on-site assembly and effectively reduces the construction time and cost.

[0059] The limiting protrusion 1122 is arranged at the middle part of the auxiliary sliding groove 1121, the length of the unit pipe 111 is longer than the length of the inner core pipe 112, and the lower end of the unit pipe 111 can be abutted and arranged on the upper end of the unit pipe 111 below when the limiting protrusion 1122 and the sliding protrusion 1111 are in the abutting state, so that a stable longitudinal support structure is formed, which can effectively resist external force impact from all directions, improve the convenience of transportation, and ensure the durability and reliability of the whole distance pad pipe assembly 1 under complex working conditions.

[0060] The inner side of the unit pipe 111 is also provided with an anti-disengagement protrusion 1112, and the anti-disengagement protrusion 1112 is arranged on the sliding path of the sliding protrusion 1111 along the auxiliary sliding groove 1121, and the limiting protrusion 1122 is arranged between the anti-disengagement protrusion 1112 and the sliding protrusion 1111.

[0061] As an optional scheme of the embodiment, please refer to Figure 7 Further comprising an electromagnet structure 4 fixedly arranged on the outer side of the unit pipe 111, and the electromagnet structure 4 is used for fixedly connecting with the inner wall of the casing structure 3 when electrified, the outer side of the unit pipe 111 is provided with a support frame 41 for fixing the structure of the electromagnet, the support frame is an arc-shaped frame corresponding to the inner wall of the casing assembly, the support frame not only provides convenience for fixing the electromagnet structure 4, but also enhances the contact between the unit pipe 111 and the inner wall of the casing assembly.

[0062] As an optional solution of the embodiment, refer to Figure 4 The fixed structure 2 further comprises:

[0063] The auxiliary fixing structure 5 is a plurality of auxiliary fixing structures corresponding to the number of the fixed-distance cushion pipe assemblies 1, and comprises a mounting seat 51, an extrusion plate 53 and a locking piece 54. Specifically, the mounting seat 51 comprises a support connecting seat provided with a support clamping groove 52 identical to the side wall curvature of the casing structure 3, and the support connecting seat is clamped on the upper portion of the side wall of the casing structure 3 through the support clamping groove 52. The inner side surface of the support connecting seat is provided with the extrusion plate 53, a positioning bolt rod 55 and two limiting bolt rods 56. The extrusion plate 53 is provided with a first perforation and two second perforations corresponding to the positioning bolt rod 55 and the two limiting bolt rods 56, respectively. The positioning bolt rod 55 is arranged in perforation cooperation with the curved portion 211 of the hook piece 21. The end of the hook piece 21 away from the curved portion 211 is provided with a connecting straight rod 212 fixedly connected with the end portion of the unit pipeline 111. The two limiting bolt rods 56 are arranged on one side of the positioning bolt rod 55, and a limiting space for clamping the connecting straight rod 212 is arranged between the two limiting bolt rods 56. The extrusion plate 53 is arranged on the side of the hook piece 21 close to the pile foundation reinforcement 6, and the extrusion plate 53 is fixed on the positioning bolt rod 55 through the locking piece 54. The locking piece 54 comprises a first nut 541 matched with the positioning bolt rod 55 and a second nut 542 matched with the limiting bolt rod 56.

[0064] Although the utility model has been described in detail above with general description and specific embodiments, some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not deviating from the spirit of the utility model all belong to the scope of protection required by the utility model.

Claims

1. A construction based on the positioning of the reinforcement of the pile of the structure, characterized by, The utility model relates to a kind of protective layer positioning architecture based on structure pile reinforcement, including: Distance pad pipe assembly, including spacing guarantee pipe and the fixed structure of being arranged in the spacing guarantee pipe, the spacing guarantee pipe is equipped as several groups, and the spacing guarantee pipe is evenly arrayed along the outer side of the pile reinforcement, the diameter of the spacing guarantee pipe is equal to the thickness of the protective layer; Casing structure, the fixed structure is fixedly connected with the casing structure; The spacing guarantee pipe is fixedly arranged between the inner wall of the casing structure and the outer side of the pile reinforcement by the fixed structure.

2. The protective layer positioning architecture based on structure pile reinforcement according to claim 1, wherein: The length of the spacing guarantee pipe is set to one-third to one-half of the length of the pile reinforcement, and the spacing guarantee pipe is arranged along the upper one-third to one-half length of the pile reinforcement.

3. The protective layer positioning architecture based on structure pile reinforcement according to claim 1, wherein: The fixed structure includes a hook member, the hook member is provided with a bent portion, and the bent portion is hookingly connected with the outer circumferential wall of the casing structure.

4. The protective layer positioning architecture based on structure pile reinforcement according to claim 3, wherein: The spacing guarantee pipe includes a plurality of unit pipes. Both ends of the unit pipe are provided with the hook member, and adjacent unit pipes are sequentially connected by the hook member.

5. The protective layer positioning architecture based on structure pile reinforcement according to claim 4, wherein: The unit pipe is internally provided with an inner core pipe, the inner core pipe is provided as a cylindrical body, and the outer side of the inner core pipe is provided with a plurality of auxiliary sliding grooves extending in the axial direction of the inner core pipe, and each auxiliary sliding groove is internally provided with a corresponding limiting protrusion. The inner side of the unit pipe is provided with a plurality of sliding protrusions slidingly matched with the auxiliary sliding grooves one by one, and the limiting protrusion is arranged on the sliding path of the sliding protrusion sliding along the auxiliary sliding groove. The inner diameter of the unit pipe can be sleeved on the outer diameter of the inner core pipe below when the limiting protrusion and the sliding protrusion are in abutting state.

6. The protective layer positioning architecture based on structure pile reinforcement according to claim 5, wherein: The inner side of the unit pipe is further provided with an anti-disengagement protrusion, and the anti-disengagement protrusion is arranged on the sliding path of the sliding protrusion sliding along the auxiliary sliding groove, and the limiting protrusion is arranged between the anti-disengagement protrusion and the sliding protrusion.

7. The protective layer positioning architecture based on structure pile reinforcement according to claim 6, wherein: The limiting protrusion is arranged at the middle part of the auxiliary sliding groove, and the length of the unit pipe is longer than the length of the inner core pipe. The lower end of the unit pipe can be abuttingly arranged on the upper end of the unit pipe below when the limiting protrusion and the sliding protrusion are in abutting state.

8. The protective layer positioning architecture based on structure pile reinforcement according to claim 4, wherein: An electromagnet structure is fixedly arranged on the outer side of the unit pipe, and the electromagnet structure is arranged in fixed connection with the inner wall of the casing structure when energized.

9. The construction pile reinforcement layer positioning frame according to claim 3, characterized in that, the fixed structure further comprises a plurality of auxiliary fixing structures, the auxiliary fixing structure comprises a mounting seat, an extrusion plate and a locking piece; the mounting seat comprises a support connecting seat provided with a support clamping groove matched with the side wall of the casing structure, the inner side of the support connecting seat is provided with a positioning bolt rod and two limiting bolt rods, the extrusion plate is provided with a first through hole and two second through holes corresponding to the positioning bolt rod and the two limiting bolt rods, respectively, the positioning bolt rod is matched with the through hole of the curved part of the hook piece, and the hook piece is arranged between the two limiting bolt rods; the extrusion plate is arranged on the side of the hook piece close to the pile reinforcement, and the extrusion plate is fixed to the positioning bolt rod through the locking piece.

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