CN220117257U - Mechanical connection device for pile body and bearing platform - Google Patents

Abstract

The utility model relates to a mechanical connection device of a pile body and a bearing platform, which comprises a lower anchor seat used for being fixed at the top of the pile body, and an upper anchor seat used for being fixed at the bottom of the bearing platform and being detachably connected with the lower anchor seat, wherein the upper anchor seat comprises an upper end plate, an upper tail plate and an upper rib plate connected between the upper end plate and the upper tail plate, a plurality of anchor ribs used for being anchored at the bearing platform are fixed on the upper end plate, the lower anchor seat comprises a lower end plate, a lower tail plate used for fixing the pile body and a lower rib plate connected between the lower end plate and the lower tail plate, and the upper tail plate and the lower end plate are connected by adopting a connecting piece. According to the utility model, the detachable connection of the pile body and the bearing platform is realized through the upper anchor seat and the lower anchor seat, so that the pile body and the bearing platform are conveniently detached after settlement, thereby carrying out heightened construction treatment on the pile body, and solving the technical problem that the settled pile body and bearing platform are difficult to detach and adjust elevation in the prior art. The device has the characteristics of simple structure, factorial customization and repeated disassembly and utilization of the lower anchor seat.

Description

Mechanical connection device for pile body and bearing platform

Technical Field

The utility model relates to the field of building construction, in particular to a mechanical connection device for a pile body and a bearing platform.

Background

The engineering geology of China is complex in topography and various in mineral products. Geological defects such as exploitation of resources, pit, ground subsidence and sedimentation bring challenges to engineering construction. In the high-cold and coastal areas, the earth surface subsides due to factors such as freeze thawing, water and soil loss and the like, which causes difficulty in construction of linear engineering (such as overhead bridges, dry bridges, highways and gas and oil pipelines). In engineering design, construction and use of linear engineering, settlement control is one of the vital control targets, and in the prior art, the pile body and the bearing platform are directly fixedly connected by adopting reinforced concrete materials, after settlement, elevation adjustment is difficult to be carried out on the pile body and the bearing platform after settlement, if the pile body and the bearing platform are required to be adjusted, the joint of the pile body and the bearing platform is required to be broken, and in the breaking process, the pile body and the bearing platform are easy to damage the structure, so that the integral stability of the structure is influenced.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a mechanical connection device for a pile body and a bearing platform, which solves the technical problem that the pile body and the bearing platform after sedimentation are difficult to split and adjust elevation in the prior art.

The utility model relates to a mechanical connection device of a pile body and a bearing platform, which comprises a lower anchor seat used for being fixed at the top of the pile body, and an upper anchor seat used for being fixed at the bottom of the bearing platform and being detachably connected with the lower anchor seat, wherein the upper anchor seat comprises an upper end plate, an upper tail plate and an upper rib plate connected between the upper end plate and the upper tail plate, a plurality of anchor ribs used for being anchored on the bearing platform are fixed on the upper end plate, the lower anchor seat comprises a lower end plate, a lower tail plate used for fixing the pile body and a lower rib plate connected between the lower end plate and the lower tail plate, and the upper tail plate and the lower end plate are connected by adopting a connecting piece.

The utility model further improves the mechanical connecting device of the pile body and the bearing platform in that the upper end plate and the upper tail plate are circular, an upper annular pipe is fixedly penetrated between the upper end plate and the inner part of the upper tail plate, and the upper rib plate is fixed on the outer wall of the upper annular pipe.

The utility model further improves the mechanical connecting device of the pile body and the bearing platform, wherein an upper cross plate with a cross-shaped cross section is fixed in the upper annular pipe.

The utility model further improves the mechanical connecting device of the pile body and the bearing platform, wherein an upper middle plate is fixed on the outer wall of the upper annular pipe at a position corresponding to the position between the upper end plate and the upper tail plate, and comprises a first ribbed plate fixed between the upper end plate and the upper middle plate and a second ribbed plate fixed between the upper middle plate and the upper tail plate.

The utility model further improves the mechanical connecting device of the pile body and the bearing platform, wherein the number of the upper rib plates is a plurality of, and the plurality of upper rib plates are arranged between the upper end plate and the upper tail plate at intervals.

The utility model further improves the mechanical connecting device of the pile body and the bearing platform, wherein the connecting piece is a bolt, and bolt holes for the bolt to pass through are respectively arranged on the upper tail plate and the lower end plate.

The mechanical connection device of the pile body and the bearing platform is further improved in that the height of the lower anchor seat is larger than that of the upper anchor seat.

The mechanical connecting device of the pile body and the bearing platform is further improved in that an anchoring hook is formed at the upper end of the anchoring rib.

Compared with the prior art, the utility model has positive and obvious effects. According to the utility model, the detachable connection of the pile body and the bearing platform is realized through the upper anchor seat and the lower anchor seat, so that the pile body and the bearing platform are conveniently detached after settlement, thereby carrying out heightened construction treatment on the pile body, and solving the technical problem that the settled pile body and bearing platform are difficult to detach and adjust elevation in the prior art. The device has the characteristics of simple structure, factorial customization, repeated disassembly and utilization of the lower anchor seat, reliable connection and the like.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic overall structure of a mechanical connection device of a pile body and a pile cap according to the present utility model.

Fig. 2 is a schematic diagram of the components of the mechanical connection device of the pile body and the pile cap according to the utility model.

Fig. 3 is an exploded view of the mechanical connection device of the pile body and the pile cap according to the present utility model.

Fig. 4 is a schematic installation view of the mechanical connection device of the pile body and the pile cap of the present utility model.

1. An upper anchor seat; 2. a lower anchor seat; 3. a bolt; 4. an anchoring rib; 5. a cross plate is arranged on the upper part; 6. an upper end plate; 7. an upper middle plate; 8. an upper tail plate; 9. a lower tail plate; 10. a lower end plate; 11. a lower middle plate; 12. an upper rib plate; 13. an upper annular tube; 14. bolt holes; 15. a lower cross plate; 16. a lower annular tube; 17. a lower rib plate; 18. bearing platform; 19. pile body; 20. construction butter

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 and 4, the present utility model provides a mechanical connection device for a pile body 19 and a pile cap 18, comprising a lower anchor 2 for fixing at the top of the pile body 19, an upper anchor 1 for fixing at the bottom of the pile cap 18 and detachably connecting with the lower anchor 2, the upper anchor 1 comprising an upper end plate 6, an upper end plate 8, and an upper rib plate 12 connected between the upper end plate 6 and the upper end plate 8, a plurality of anchor bars 4 for anchoring at the pile cap 18 being fixed on the upper end plate 6, the lower anchor 2 comprising a lower end plate 10, a lower end plate 9 for fixing the pile body 19, and a lower rib plate 17 connected between the lower end plate 10 and the lower end plate 9, the upper end plate 8 and the lower end plate 10 being connected by a connection member. The parts of the device except the connecting part of the bolt 3 are all welded, and the welding mode is not limited to single-sided welding, double-sided welding and spot welding. The specific material grade, thickness, size parameters and the like of all parts are confirmed by strength and rigidity checking calculation in combination with the actual load working condition. The pile body 19 of the device is not limited to be used for cast-in-place piles, but may also be used for precast piles. The material grade, thickness and size parameters of all parts are combined with the actual load working condition and are confirmed through strength and rigidity checking calculation. The device can conveniently disassemble the upper anchor seat 1 and the lower anchor seat 2, and can disassemble the lower anchor seat 2 and the pile body 19, so that the pile body 19 is subjected to heightening construction, the requirements of height adjustment on settlement of the pile body 19 and the bearing platform 18 are met, and the cost of settlement adjustment is saved.

Preferably, the upper end plate 6 and the upper tail plate 8 are both in a ring shape, an upper annular pipe 13 is fixedly penetrated between the upper end plate 6 and the inside of the upper tail plate 8, and the upper rib plate 12 is fixedly arranged on the outer wall of the upper annular pipe 13. Further, the lower end plate 10 and the lower tail plate 9 are both in a ring shape, a lower annular pipe 16 is fixedly penetrated inside the lower end plate 10 and the lower tail plate 9, and the lower rib 17 is fixed on the outer wall of the lower annular pipe 16. The device is not limited to circular, square and other cross sections, the specific cross section shape can be combined with the processing of the cross section shape and the dimension of the pile, the circular ring shape is not easy to deform, and the stability is high. In the manufacturing of the device, the flange can also be directly adopted for manufacturing. The upper annular tube 13 and the lower annular tube 16 are steel tubes.

Preferably, as shown in fig. 3, an upper cross plate 5 having a cross-shaped cross section is fixed inside the upper annular tube 13. The upper cross plate 5 can improve the strength of the upper anchor seat 1, so that the inside of the upper anchor seat is supported, and the occurrence of deformation is reduced. Further, a lower cross plate 15 having a cross-shaped cross section is fixed inside the lower annular tube 16.

Preferably, the upper middle plate 7 is fixed on the outer wall of the upper annular tube 13 at a position corresponding to the position between the upper end plate 6 and the upper tail plate 8, and the upper rib plate 12 comprises a first rib plate fixed on two sides of the annular tube 13 between the upper end plate 6 and the upper middle plate 7 and a second rib plate fixed between the upper middle plate 7 and the upper tail plate 8. The first rib is fixed between the upper end plate 6, the upper middle plate 7 and the upper ring pipe 13 at the same time, and the second rib is fixed between the upper middle plate 7, the upper end plate 8 and the upper ring pipe 13 at the same time, so that the connection between the respective members is tight. Further, the lower middle plate 11 is fixed to the outer wall of the lower ring pipe 16, and the lower rib 17 includes a third rib and a fourth rib fixed to both sides of the lower ring pipe 16, respectively. In this embodiment, this first floor and second floor, third floor and fourth floor are the stiffening rib, improve the holistic bearing performance of device.

Preferably, the number of the upper ribs 12 is plural, and a plurality of the upper ribs 12 are arranged between the upper end plate 6 and the upper end plate 8 at intervals. The upper rib plates 12 are arranged at intervals to enable the upper anchor plates to be uniformly stressed. Further, the number of the lower ribs 17 is plural, and the plural lower ribs 17 are arranged between the lower end plate 10 and the lower tailgate 9 at intervals.

Preferably, as shown in fig. 2 and 3, the connecting member is a bolt 3, and bolt holes 14 through which the bolt 3 passes are respectively formed in the upper tail plate 8 and the lower end plate 10. In this embodiment, the bolts 3 are high-strength bolts 3, and the number is plural, and the positions of the bolt holes 14 are required to be set according to material deformation calculation, so as to ensure that the overall strength meets the design requirement. In this embodiment, the bolt is used with a double nut.

Preferably, the lower anchor 2 has a height greater than the height of the upper anchor 1. The lower anchor 2 needs to bear the gravity of the bearing platform 18, and the higher height can enable the lower anchor 2 to have higher strength than the upper anchor 1 so as to avoid damage caused by too low strength of the lower anchor 2.

Preferably, the upper end of the anchoring rib 4 is formed with an anchoring hook, so that the anchoring rib has a stronger anchoring force, and the hooks are all bent outward from the center of the upper anchor 1.

When the pile foundation pile body 19 is constructed to the designed elevation, as shown in fig. 3 and 4, the steel bars are straightened according to the standard requirements and then welded and connected with the lower tail plate 9 of the lower anchor seat 2, after the connection is completed, the rigid connection of the lower anchor seat 2 and the pile body 19 is completed by adopting high-strength grouting concrete, and after the lower anchor seat 2 and the pile head are consolidated, the upper tail plate 8 of the upper anchor seat 1 and the lower end plate 10 of the lower anchor seat 2 are connected by adopting bolts 3. And after the connection is completed, the connection part of the high-strength bolt 3 is tightly sealed by adopting construction beef tallow 20, so that the device is prevented from being corroded. After the sealing of the connecting part is completed, binding reinforcing steel bars of the bearing platform 18 according to the standard requirement, welding and fixing the reinforcing steel bars of the bearing platform 18 and the anchoring ribs 4, and finally pouring concrete.

After subsidence occurs, when the height of the pile body 19 needs to be heightened, the construction beef tallow 20 at the connecting part is removed, the bolts 3 are removed, the temporary support is carried out on the bearing platform 18 by adopting a temporary support structure, the lower anchor seat 2 is removed, the bearing platform 18 is lifted to the designed elevation, the lower anchor seat 2 and the upper anchor seat 1 are fixed by the bolts 3, the reinforcing steel bars of the pile body 19 are lengthened, the reinforcing steel bar tops of the lengthened pile body 19 and the lower anchor seat 2 are welded and fixed, the lengthened position is poured by adopting high-strength grouting concrete, and the temporary support is removed until the concrete reaches the designed strength, so that the elevation adjustment construction of the foundation structure after subsidence is completed.

According to the utility model, the detachable connection of the pile body and the bearing platform is realized through the upper anchor seat and the lower anchor seat, so that the pile body and the bearing platform are conveniently detached after settlement, thereby carrying out heightened construction treatment on the pile body, and solving the technical problem that the settled pile body and bearing platform are difficult to detach and adjust elevation in the prior art. The device has the characteristics of simple structure, factorial customization, repeated disassembly and utilization of the lower anchor seat, reliable connection and the like.

None of the utility models are related to the same or are capable of being practiced in the prior art. The present utility model is not limited to the above-mentioned embodiments, but is not limited to the above-mentioned embodiments, and any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical matters of the present utility model can be made by those skilled in the art without departing from the scope of the present utility model.

Claims (8)

1. The utility model provides a mechanical connection device of pile body and cushion cap, its characterized in that, including being used for fixing the lower anchor saddle at the pile body top, be used for fixing in the cushion cap bottom and with lower anchor saddle demountable connection's last anchor saddle, go up the anchor saddle including last end plate, last tailboard and connect in go up the end plate with go up the last floor between the tailboard, be fixed with on the end plate and be used for the anchor and be in many anchor bars of cushion cap, lower anchor saddle includes the lower end plate, is used for fixing the lower tailboard of pile body and connect in lower floor between lower end plate and the tailboard, go up the tailboard with the lower end plate adopts the connecting piece to be connected.

2. The mechanical connection device of a pile body and a bearing platform according to claim 1, wherein the upper end plate and the upper tail plate are circular, an upper annular pipe is fixedly penetrated between the upper end plate and the inner part of the upper tail plate, and the upper rib plate is fixed on the outer wall of the upper annular pipe.

3. The mechanical connection device of a pile body and a bearing platform according to claim 2, wherein an upper cross plate with a cross-shaped cross section is fixed inside the upper annular tube.

4. A shaft and platform mechanical connection according to claim 3, wherein an upper middle plate is fixed to the outer wall of the upper annular tube at a position corresponding to the position between the upper end plate and the upper end plate, and the upper rib plate comprises a first rib plate fixed between the upper end plate and the upper middle plate, and a second rib plate fixed between the upper middle plate and the upper end plate.

5. The mechanical connection device of a pile body and a pile cap according to claim 1, wherein the number of the upper ribs is plural, and the plural upper ribs are arranged between the upper end plate and the upper tail plate at intervals.

6. The mechanical connection device for pile shafts and bearing platforms according to claim 1, wherein the connection piece is a bolt, and bolt holes for the bolt to pass through are respectively formed in the upper tail plate and the lower end plate.

7. The mechanical pile body to platform connection according to claim 1, wherein the lower anchor is of a greater height than the upper anchor.

8. The mechanical connection device of pile body and bearing platform according to claim 1, wherein the upper ends of the anchor bars are formed with anchor hooks.