CN220746945U

CN220746945U - Foundation pit support structure

Info

Publication number: CN220746945U
Application number: CN202322335073.3U
Authority: CN
Inventors: 刘专; 陈科崴; 任俊杰
Original assignee: China Coal Hubei Geological Survey Foundation Engineering Co ltd
Current assignee: China Coal Hubei Geological Survey Foundation Engineering Co ltd
Priority date: 2023-08-30
Filing date: 2023-08-30
Publication date: 2024-04-09
Anticipated expiration: 2033-08-30

Abstract

The utility model discloses a foundation pit support structure which comprises a fixed frame, wherein a substrate supporting mechanism is connected between the inner sides of the fixed frame, an extrusion mechanism is connected to the top end of the substrate supporting mechanism, a rolling rod is rotatably arranged at the top end of the fixed frame, gears I are connected to the two ends of the rolling rod, traction ropes are wound on the two ends of the rolling rod, a positioning mechanism is connected to the top end of the fixed frame, gears II are connected to the middle end of the fixed frame, an extension frame is slidably arranged at the top end of the fixed frame, a toothed rail is connected to the inner side of the extension frame, one side of the toothed rail is meshed with the gears I, and clamping strips are connected to one side of the extension frame. The utility model has the advantages of convenient and quick installation, time and labor saving, effective improvement of the installation efficiency, effective guarantee of the use stability, convenient disassembly and convenient transportation.

Description

Foundation pit support structure

Technical Field

The utility model relates to the technical field of foundation pit protection, in particular to a foundation pit support structure.

Background

The foundation pit enclosure is a series of measures adopted in the construction process of the building to prevent soil collapse and ensure the stability of surrounding buildings, and is mainly used in underground engineering, such as underground parking lots, underground malls, subway tunnels, foundation pit buildings and the like.

Most of the existing foundation pit protection mechanisms are spliced by plates, bolts and connecting pieces are needed to be used for splicing and installing, more human resources are needed to be consumed, meanwhile, the construction efficiency is reduced, the enclosure mechanism is troublesome to detach, and scattered components are inconvenient to transport and transport.

Disclosure of Invention

The utility model aims to provide a foundation pit support structure so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: including the mount, connect between the mount inboard and be provided with basement supporting mechanism, basement supporting mechanism top connection is provided with extrusion mechanism, the mount top rotates and is provided with the rolling pole, the equal connection in rolling pole both ends is provided with gear one, the equal winding in rolling pole both ends is provided with the haulage rope, the mount top connection is provided with positioning mechanism, the mount middle-end connection is provided with gear two, the mount top slip is provided with the extension frame, the inboard connection of extension frame is provided with the rack, rack one side and gear one mesh, extension frame one side connection is provided with the card strip.

Preferably, the substrate supporting mechanism comprises a ground frame, one end of the ground frame is rotatably provided with a rotating shaft, two ends of the rotating shaft are connected with torsion springs, one ends of the torsion springs, which are far away from each other, are connected with the fixing frame, a hole frame is formed in one side of the ground frame, and the extruding mechanisms are provided with a plurality of groups and are all located between the hole frames.

Preferably, the extrusion mechanism comprises a first telescopic rod, a connecting rod is rotatably arranged at one end of the first telescopic rod, a foot margin is rotatably arranged at one end of the connecting rod, a connecting frame is rotatably arranged at two sides of the connecting rod, and the connecting frame is fixedly arranged at the top end of the ground frame.

Preferably, the positioning mechanism comprises a second telescopic rod, a connecting plate is arranged at the top end of the second telescopic rod in a connecting mode, a gear frame is arranged at the bottom end of the connecting plate in a connecting mode, and the inner side of the gear frame is meshed with the second gear.

Preferably, one end of the traction rope penetrates through the fixing frame and is connected with the substrate supporting mechanism.

Preferably, the bottom end of the fixing frame is rotatably provided with a transverse plate, and a plurality of ground rivets are connected with the bottom end of the transverse plate.

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

1. according to the utility model, the ground rivet is inserted into the inner side of the foundation pit edge, then the extension frame is pulled upwards, the toothed rail drives the first gear to rotate, so that the rolling rod is driven to rotate, the traction rope is released, the torsion back of the torsion spring drives the ground frame to rotate to be opened and attached to the ground while the traction rope is released, then the extension frame is buckled on the foundation pit edge, the first telescopic rod extends, the connecting rod is pushed to rotate, so that the foundation is propped against the bottom surface, and the fixing frame and the extension frame are pushed by the substrate supporting mechanism, wherein the clamping strip is pushed to be embedded into the foundation pit edge, so that the attaching effect is ensured, the installation is convenient and quick, time and labor are saved, and the installation efficiency is effectively improved;

2. the utility model also drives the connecting plate to descend by pulling the extension frame upwards to a proper position, thereby clamping the connecting plate to the gear II through the gear frame, limiting the winding rod, positioning the extension frame in the direction by utilizing the meshing of the gear I and the gear rail, ensuring the position fixing effect between the extension frame and the fixing frame, disconnecting the gear frame from the gear II by extending the extension frame II when the extension frame is disassembled, then shrinking the extension frame I, pulling the extension frame downwards, driving the winding rod to rotate, driving the traction rope to wind, driving the substrate supporting mechanism to rotate and retract into the fixing frame, completing the disassembly, effectively ensuring the use stability, and simultaneously being convenient to disassemble and convenient to transport.

Drawings

FIG. 1 is a schematic view of the overall structure of a foundation pit enclosure of the present utility model;

FIG. 2 is a schematic view of an internal structure of a foundation pit enclosure according to the present utility model;

FIG. 3 is an enlarged schematic view of the portion A in FIG. 1;

fig. 4 is a schematic structural view of a substrate supporting mechanism in a foundation pit enclosure according to the present utility model.

In the figure: 1. a fixing frame; 2. a substrate support mechanism; 21. a ground frame; 22. a rotating shaft; 23. a torsion spring; 24. a hole frame; 3. an extrusion mechanism; 31. a first telescopic rod; 32. a connecting rod; 33. a foot margin; 4. a winding rod; 5. a first gear; 6. a traction rope; 7. a positioning mechanism; 71. a second telescopic rod; 72. a splice plate; 73. a gear frame; 8. a second gear; 9. an extension frame; 10. a toothed rail; 11. clamping strips; 12. a cross plate; 13. and (5) grounding rivets.

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.

Example 1

Referring to fig. 1-4, the present utility model provides a technical solution: including mount 1, the connection is provided with basement supporting mechanism 2 between the mount 1 inboard, the connection of basement supporting mechanism 2 top is provided with extrusion mechanism 3, the mount 1 top rotates and is provided with rolling pole 4, rolling pole 4 both ends are all connected and are provided with gear one 5, the equal winding in rolling pole 4 both ends is provided with haulage rope 6, the connection of mount 1 top is provided with positioning mechanism 7, the connection of mount 1 middle-end is provided with gear two 8, mount 1 top slip is provided with extension frame 9, the inboard connection of extension frame 9 is provided with rack 10, rack 10 one side and gear one 5 meshing, the connection of extension frame 9 one side is provided with card strip 11.

The base supporting mechanism 2 comprises a ground frame 21, a rotating shaft 22 is rotatably arranged at one end of the ground frame 21, torsion springs 23 are connected to two ends of the rotating shaft 22, one ends, far away from each other, of the torsion springs 23 are connected with a fixing frame 1, hole frames 24 are formed in one side of the ground frame 21, multiple groups of extruding mechanisms 3 are arranged between the hole frames 24, one ends of the torsion springs 23 are connected with the ground frame 21, the other ends of the torsion springs 23 are connected with the fixing frame 1, and the ground frame 21 can be driven to be automatically opened by torsion of the torsion springs 23.

The extrusion mechanism 3 comprises a first telescopic rod 31, a connecting rod 32 is rotatably arranged at one end of the first telescopic rod 31, a foot margin 33 is rotatably arranged at one end of the connecting rod 32, connecting frames are rotatably arranged at two sides of the connecting rod 32 and fixedly arranged at the top end of the ground frame 21, the first telescopic rod 31 can extend or shrink to drive the connecting rod 32 to rotate, and the foot margin 33 is controlled to be attached to the bottom surface, so that supporting force and positioning effect are provided for the substrate supporting mechanism 2

The bottom of the fixing frame 1 is rotationally provided with the transverse plate 12, and the bottom of the transverse plate 12 is connected and provided with a plurality of ground rivets 13, so that the fixing frame 1 is conveniently positioned, and the attaching effect and the supporting effect with the edge of the foundation pit are guaranteed.

Working principle: when the utility model is used, the ground rivet 13 is inserted into the inner side of the foundation pit edge, the extension frame 9 is pulled upwards, the gear I5 is driven to rotate through the toothed rail 10, the winding rod 4 is driven to rotate, the traction rope 6 is released, the torsion force of the torsion spring 23 drives the ground frame 21 to rotate and open to be attached to the ground while the traction rope 6 is released, then the extension frame 9 is buckled on the foundation pit edge, the extension rod I31 extends, the pushing connecting rod 32 rotates, the foundation margin 33 is enabled to be propped against the bottom surface, the fixing frame 1 and the extension frame 9 are pushed through the substrate supporting mechanism 2, the clamping strip 11 is pushed to be embedded into the foundation pit edge along with pushing, the attaching effect is ensured, the installation is convenient and fast, time and labor are saved, and the installation efficiency is effectively improved.

Example two

Referring to fig. 1-3, the present utility model provides a technical solution: including mount 1, connect between the mount 1 inboard and be provided with basement supporting mechanism 2, basement supporting mechanism 2 top connection is provided with extrusion mechanism 3, mount 1 top is rotated and is provided with rolling pole 4, rolling pole 4 both ends are all connected and are provided with gear one 5, the equal winding in rolling pole 4 both ends is provided with haulage rope 6, mount 1 top connection is provided with positioning mechanism 7, mount 1 middle-end connection is provided with gear two 8, mount 1 top slip is provided with extension frame 9, extension frame 9 inboard connection is provided with rack 10, rack 10 one side and gear one 5 meshing.

The positioning mechanism 7 comprises a second telescopic rod 71, a connecting plate 72 is arranged at the top end of the second telescopic rod 71 in a connecting mode, a gear frame 73 is arranged at the bottom end of the connecting plate 72 in a connecting mode, the inner side of the gear frame 73 is meshed with a second gear 8, the retraction or extension of the second telescopic rod 71 can be achieved, connection and disconnection between the gear frame 73 and the second gear 8 are controlled, and therefore the rotation effect of the winding rod 4 is controlled, and positioning of the extension frame 9 is facilitated.

One end of the traction rope 6 penetrates through the fixing frame 1 and is connected with the substrate supporting mechanism 2, the traction rope 2 can be driven by the drive of the traction rope 4 to rotate and retract into the frame 1, disassembly is completed, occupied area is reduced, and transportation is facilitated.

Working principle: when the telescopic rod is used, after the extension frame 9 is pulled upwards to a proper position, the telescopic rod II 71 is contracted to drive the connecting plate 72 to descend, so that the connecting plate is clamped to the gear II 8 through the gear frame 73, the winding rod 4 is limited, the extension frame 9 is positioned in the direction by utilizing the meshing of the gear I5 and the toothed rail 10, so that the position fixing effect between the extension frame 9 and the fixing frame 1 is ensured, and when the telescopic rod II 71 is disassembled, the gear frame 73 is disconnected from the gear II 8, then the telescopic rod I31 is contracted to pull the extension frame 9 downwards, the winding rod 4 is driven to rotate, the traction rope 6 is driven to wind, the substrate supporting mechanism 2 is driven to rotate and retract into the fixing frame 1, the disassembly is completed, the use stability is effectively ensured, and the telescopic rod II 71 is convenient to disassemble and convenient to transport.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a foundation ditch building enclosure, includes mount (1), its characterized in that: the novel automatic winding machine is characterized in that a substrate supporting mechanism (2) is connected between the inner sides of the fixing frames (1), an extrusion mechanism (3) is connected and arranged at the top end of the substrate supporting mechanism (2), a winding rod (4) is arranged at the top end of the fixing frames (1) in a rotating mode, a first gear (5) is connected and arranged at two ends of the winding rod (4), a traction rope (6) is arranged at two ends of the winding rod (4) in a winding mode, a positioning mechanism (7) is arranged at the top end of each fixing frame (1) in a connecting mode, a second gear (8) is arranged at the middle end of each fixing frame (1) in a connecting mode, an extension frame (9) is arranged at the top end of each fixing frame in a sliding mode, a toothed rail (10) is arranged at the inner side of each extension frame (9) in a connecting mode, one side of each toothed rail (10) is meshed with the corresponding first gear (5), and a clamping strip (11) is arranged at one side of each extension frame (9) in a connecting mode.

2. The foundation pit enclosure of claim 1, wherein: the base supporting mechanism (2) comprises a ground frame (21), a rotating shaft (22) is rotatably arranged at one end of the ground frame (21), torsion springs (23) are connected and arranged at two ends of the rotating shaft (22), one ends, far away from each other, of the torsion springs (23) are connected with the fixing frame (1), a hole frame (24) is formed in one side of the ground frame (21), and the extruding mechanisms (3) are arranged in multiple groups and are located between the hole frames (24).

3. The foundation pit enclosure of claim 2, wherein: the extrusion mechanism (3) comprises a first telescopic rod (31), a connecting rod (32) is rotatably arranged at one end of the first telescopic rod (31), a foot margin (33) is rotatably arranged at one end of the connecting rod (32), connecting frames are rotatably arranged at two sides of the connecting rod (32), and the connecting frames are fixedly arranged at the top ends of the ground frames (21).

4. The foundation pit enclosure of claim 1, wherein: the positioning mechanism (7) comprises a telescopic rod II (71), a connecting plate (72) is connected to the top end of the telescopic rod II (71), a gear frame (73) is connected to the bottom end of the connecting plate (72), and the inner side of the gear frame (73) is meshed with the gear II (8).

5. The foundation pit enclosure of claim 1, wherein: one end of the traction rope (6) penetrates through the fixing frame (1) and is connected with the substrate supporting mechanism (2).

6. The foundation pit enclosure of claim 1, wherein: the bottom of the fixing frame (1) is rotatably provided with a transverse plate (12), and a plurality of ground rivets (13) are connected with the bottom of the transverse plate (12).