CN212052781U - Foundation pit supporting structure for excavation of foundation pit - Google Patents

Abstract

The utility model discloses a foundation ditch supporting construction that excavation was used, the on-line screen storage device comprises a base, the lower extreme of base is equipped with running gear, the upside of base is equipped with the backup pad, be equipped with elevating system between base and the backup pad, the upper end fixedly connected with bearing frame of backup pad, the bearing frame internal rotation is connected with first threaded rod, both ends are equipped with supporting mechanism about first threaded rod. The utility model 1 can move the two supporting and protecting plates by arranging the two supporting and protecting plates and matching with the supporting and protecting mechanism and the lifting mechanism, and can adjust the height of the utility model along with the depth of the foundation pit; through setting up running gear, can will as required the utility model discloses promote to the foundation ditch, use the end also can relax quick withdraw the job site.

Description

Foundation pit supporting structure for excavation of foundation pit

Technical Field

The utility model relates to a excavation supporting technology field especially relates to an excavation supporting construction that excavation of foundation ditch was used.

Background

The foundation pit is a soil pit excavated at the design position of the foundation according to the elevation of the foundation and the plane size of the foundation. Before excavation, an excavation scheme is determined according to geological and hydrological data and the conditions of buildings nearby the site, and waterproof drainage work is performed.

The foundation pit supporting in-process among the prior art adopts the supporting net to place the slight slope and collapses usually, can have very big trouble at the installation with the in-process of dismantling the supporting net, the progress also can be along with the installation supporting net and slow down.

To this end, we propose a supporting structure for an excavation pit to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the excavation of a foundation ditch for excavation supporting construction who proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a foundation ditch supporting construction that excavation was used, includes the base, the lower extreme of base is equipped with running gear, the upside of base is equipped with the backup pad, be equipped with elevating system between base and the backup pad, the upper end fixedly connected with bearing frame of backup pad, the bearing frame internal rotation is connected with first threaded rod, both ends are equipped with supporting mechanism about first threaded rod.

Preferably, running gear includes the carousel with the equal fixed connection in the lower extreme four corners of base, the lower extreme of carousel rotates and is connected with the bracing piece, the lower extreme of bracing piece rotates through the pivot and is connected with the gyro wheel.

Preferably, elevating system is including setting up the cavity in the base, the cavity internal rotation is connected with the second threaded rod, the right-hand member of second threaded rod runs through the right side wall setting of cavity, sliding connection has two fly leafs on the diapire of cavity, be equipped with the fluting in the last lateral wall of cavity, two the fly leaf all runs through the fluting setting, two all be equipped with the screw hole in the fly leaf, two the screw hole respectively with the both ends threaded connection of second threaded rod, two the upper end of fly leaf all rotates and is connected with the rotor plate, two the upper end and the backup pad sliding connection of rotor plate, two the rotor plate runs through each other and rotates to connect the setting.

Preferably, the lower side wall of the supporting plate is provided with a first sliding groove, the first sliding groove is internally provided with two first sliding blocks matched with the first sliding groove, and the two first sliding blocks are respectively connected with the two rotating plates in a rotating mode.

Preferably, strut the mechanism include with the backup pad on the lateral wall two connecting rods of sliding connection, two the equal fixed connection screw sleeve in upper end of connecting rod, two the screw sleeve respectively with the both ends threaded connection of two first threaded rods, two the equal fixedly connected with backplate of one end that first threaded rod kept away from each other, it is connected with the axis of rotation to rotate on the right lateral wall of bearing frame, rotate in the axis of rotation and be connected with first belt pulley, coaxial fixedly connected with second belt pulley on the first threaded rod, be connected through belt transmission between first belt pulley and the second belt pulley.

Preferably, the upper side wall of the base is provided with two second sliding grooves, two second sliding blocks matched with the second sliding grooves are arranged in the two second sliding grooves, and the two second sliding blocks are fixedly connected with the two connecting rods respectively.

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

1. by arranging the two supporting and protecting plates and matching with the supporting and protecting mechanism and the lifting mechanism, the two supporting and protecting plates can be moved, and the height of the utility model can be adjusted along with the depth of the foundation pit;

2. through setting up running gear, can will as required the utility model discloses promote to the foundation ditch, use the end also can relax quick withdraw the job site.

Drawings

Fig. 1 is a perspective view of a foundation pit supporting structure for excavation of a foundation pit according to the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is the utility model provides a foundation ditch supporting construction's that excavation was used external structure schematic diagram.

In the figure: the device comprises a base 1, a traveling mechanism 2, a supporting plate 3, a lifting mechanism 4, a bearing seat 5, a first threaded rod 6, a supporting mechanism 7, a rotary table 8, a supporting rod 9, a rotating shaft 10, a cavity 11, a second threaded rod 12, a movable plate 13, a rotating plate 14, a connecting rod 15, a threaded sleeve 16, a supporting plate 17, a rotating shaft 18, a first belt pulley 19 and a second belt pulley 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a foundation pit supporting structure for excavation of a foundation pit comprises a base 1, wherein a traveling mechanism 2 is arranged at the lower end of the base 1, specifically, the traveling mechanism 2 comprises a turntable 8 fixedly connected with four corners of the lower end of the base 1, a support rod 9 is rotatably connected to the lower end of the turntable 8, a roller is rotatably connected to the lower end of the support rod 9 through a rotating shaft 10, and a support plate 3 is arranged on the upper side of the base 1.

In the utility model, a lifting mechanism 4 is arranged between a base 1 and a support plate 3, it should be noted that the lifting mechanism 4 comprises a cavity 11 arranged in the base 1, a second threaded rod 12 is rotationally connected in the cavity 11, a second handle is coaxially and fixedly connected with the right end of the second threaded rod 12, the right end of the second threaded rod 12 penetrates through the right side wall of the cavity 11, two movable plates 13 are slidably connected on the bottom wall of the cavity 11, a slot is arranged in the upper side wall of the cavity 11, the two movable plates 13 both penetrate through the slot, threaded holes are arranged in the two movable plates 13, the two threaded holes are respectively in threaded connection with the two ends of the second threaded rod 12, the upper ends of the two movable plates 13 are both rotationally connected with rotating plates 14, the upper ends of the two rotating plates 14 are slidably connected with the support plate 3, it is worth mentioning that a first chute is arranged on the lower side wall of the support plate 3, two first sliders, the two first sliding blocks are respectively connected with the two rotating plates 14 in a rotating way.

In the utility model, two rotating plates 14 are mutually penetrated, rotated and connected, a bearing seat 5 is fixedly connected at the upper end of a supporting plate 3, a first threaded rod 6 is rotationally connected in the bearing seat 5, a first handle is coaxially and fixedly connected at the right end of the first threaded rod 6, the first threaded rod 6 and a second threaded rod 12 are both bidirectional threaded rods, a supporting mechanism 7 is arranged at the left end and the right end of the first threaded rod 6, it is noted that the supporting mechanism 7 comprises two connecting rods 15 which are slidably connected with the upper side wall of the supporting plate 3, two second chutes are required to be explained, two second sliding blocks matched with the two second sliding chutes are arranged on the upper side wall of a base 1, the two second sliding blocks are respectively and fixedly connected with the two connecting rods 15, threaded sleeves 16 are fixedly connected at the upper ends of the two connecting rods 15, and the two threaded sleeves 16 are respectively in threaded connection with the two ends of the, the equal fixedly connected with backplate 17 of one end that two first threaded rods 6 kept away from each other rotates on the right side wall of bearing frame 5 and is connected with axis of rotation 18, rotates on axis of rotation 18 and is connected with first belt pulley 19, and coaxial fixedly connected with second belt pulley 20 on first threaded rod 6 is connected through belt transmission between first belt pulley 19 and the second belt pulley 20.

When the utility model is used, when a foundation pit is supported, the first handle is rotated, the first handle drives the rotating shaft 18 to rotate, the rotating shaft 18 drives the first belt pulley 19 to rotate, the first belt pulley 19 drives the second belt pulley 20 to rotate through a belt, the second belt pulley 20 drives the first threaded rod 6 to rotate, the first threaded rod 6 drives the two threaded sleeves 16 to move, and the two threaded sleeves 16 drive the two supporting plates 17 to move, so that the foundation pit is supported; the second handle is rotated to drive the second threaded rod 12 to rotate, the second threaded rod 12 drives the two movable plates 13 to move, the two movable plates 13 drive the two rotating plates 14 to rotate, and the two rotating plates 14 drive the supporting plate 3 to lift.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a foundation ditch supporting construction that excavation was used, includes base (1), its characterized in that, the lower extreme of base (1) is equipped with running gear (2), the upside of base (1) is equipped with backup pad (3), be equipped with elevating system (4) between base (1) and backup pad (3), the upper end fixedly connected with bearing frame (5) of backup pad (3), bearing frame (5) internal rotation is connected with first threaded rod (6), both ends are equipped with supporting mechanism (7) about first threaded rod (6).

2. The foundation pit supporting structure for excavating the foundation pit according to claim 1, wherein the traveling mechanism (2) comprises a turntable (8) fixedly connected with four corners of the lower end of the base (1), a support rod (9) is rotatably connected with the lower end of the turntable (8), and a roller is rotatably connected with the lower end of the support rod (9) through a rotating shaft (10).

3. The foundation pit supporting structure for excavating a foundation pit according to claim 1, wherein the lifting mechanism (4) comprises a cavity (11) arranged in the base (1), a second threaded rod (12) is rotatably connected in the cavity (11), the right end of the second threaded rod (12) penetrates through the right side wall of the cavity (11) and is connected with two movable plates (13) in a sliding manner, a slot is formed in the upper side wall of the cavity (11), the two movable plates (13) penetrate through the slot, threaded holes are formed in the two movable plates (13) and are respectively in threaded connection with two ends of the second threaded rod (12), rotating plates (14) are rotatably connected with the upper ends of the two movable plates (13), and the upper ends of the two rotating plates (14) are slidably connected with the supporting plate (3), the two rotating plates (14) are mutually penetrated, rotated and connected.

4. The foundation pit supporting structure for excavation of a foundation pit according to claim 3, wherein the lower side wall of the supporting plate (3) is provided with a first sliding groove, two matched first sliding blocks are arranged in the first sliding groove, and the two first sliding blocks are respectively and rotatably connected with the two rotating plates (14).

5. A foundation pit supporting structure for excavation of a foundation pit according to claim 1, the support mechanism (7) comprises two connecting rods (15) which are connected with the upper side wall of the support plate (3) in a sliding manner, the upper ends of the two connecting rods (15) are fixedly connected with threaded sleeves (16), the two threaded sleeves (16) are respectively in threaded connection with the two ends of the two first threaded rods (6), one ends, far away from each other, of the two first threaded rods (6) are fixedly connected with support plates (17), a rotating shaft (18) is rotatably connected on the right side wall of the bearing seat (5), a first belt pulley (19) is rotatably connected on the rotating shaft (18), a second belt pulley (20) is coaxially and fixedly connected on the first threaded rod (6), the first belt pulley (19) is in transmission connection with the second belt pulley (20) through a belt.

6. The foundation pit supporting structure for excavation of a foundation pit according to claim 5, wherein two second sliding grooves are formed in the upper side wall of the base (1), two second sliding blocks matched with the two second sliding grooves are arranged in the two second sliding grooves, and the two second sliding blocks are fixedly connected with the two connecting rods (15) respectively.

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