CN220927870U - Rock soil foundation pit construction side slope supporting device - Google Patents

Abstract

The utility model discloses a rock-soil foundation pit construction side slope supporting device, which relates to the technical field of rock-soil foundation pit construction and comprises a supporting plate and a bottom plate.

Description

Rock soil foundation pit construction side slope supporting device

Technical Field

The utility model relates to the technical field of rock-soil foundation pit construction, in particular to a side slope support device for rock-soil foundation pit construction.

Background

The foundation pit is a soil pit excavated at a foundation design position according to the elevation of the substrate and the plane size of the foundation. In the process of rock-soil foundation pit construction, in order to ensure the safety of underground structure construction and the surrounding environment of a foundation pit and prevent the collapse of the foundation pit, a side slope supporting device is usually required to be used for protecting the side slope of the foundation pit.

Through retrieving, patent grant bulletin number CN 219450749U discloses a rock soil foundation pit construction side slope supporting device, wherein "including bottom plate and support mainboard, support mainboard rotates and connects in the left side of bottom plate, two fixed plates are installed at the top of bottom plate, rotate between two fixed plates and be connected with the threaded rod, the both sides of threaded rod all are provided with the gag lever post, the surface of threaded rod and the surface of gag lever post run through jointly and have movable seat, first articulated seat is installed at the top of movable seat, the second articulated seat is installed on the right side of support mainboard, be connected with the backup pad between first articulated seat and the second articulated seat, the both sides of support mainboard all are connected with the support subplate", but above-mentioned current technique is not firm enough in the use of support backplate and side slope connection, the side slope is erodeed easily by the rainwater and takes place to slide even landslide, and the falling rocks easily appear on the side slope and cause danger to constructor life safety in the foundation ditch.

Disclosure of utility model

The utility model aims to provide a rock-soil foundation pit construction side slope support device so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The utility model provides a rock soil foundation pit construction side slope strutting arrangement, includes backplate and bottom plate, backplate hugs closely rock soil foundation pit side slope setting, the bottom plate sets up on rock soil foundation pit ground, the bottom plate is articulated with backplate, be provided with hydraulic telescoping rod between backplate and the bottom plate, hydraulic telescoping rod's stiff end is articulated with the articulated seat down of installing on the bottom plate, hydraulic telescoping rod's piston end is articulated with the last articulated seat of installing on the backplate, protective structure is installed at backplate top, install an anchor pole section of thick bamboo in backplate and the bottom plate, install the anchor pole in the anchor pole section of thick bamboo, anchor pole section of thick bamboo and anchor pole all insert into the rock soil in situ.

As a further scheme of the utility model: the protection structure comprises a protection net rack and a net body, wherein the protection net rack is fixed on the outer wall of the top of the support plate, and the net body is arranged in the middle of the protection net rack.

As still further aspects of the utility model: the anchoring rod cylinder comprises a cylinder body, an inclined block and a taper nail, a groove body is formed in the surface of the cylinder body, the inclined block is installed in the groove body, and the taper nail is installed on the outer wall of the inclined block.

As still further aspects of the utility model: the inclined block is obliquely arranged towards the inside of the cylinder body in a natural state.

As still further aspects of the utility model: through holes matched with the anchor rod barrel in size are formed in the support plate and the bottom plate.

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

1. According to the utility model, the supporting plate and the bottom plate can be respectively anchored with the foundation pit rock soil by arranging the anchoring rod cylinder and the anchoring rod in a matched manner, so that the supporting plate is more firmly connected with the foundation pit slope and the bottom plate is more firmly connected with the bottom surface of the foundation pit, the anchoring structure stretches into the soil body, and the anti-slip force on the rock soil is formed by self shear strength and transmission of the shear strength of the shelter so as to resist the shear damage of the soil body and the slippage of a weak interlayer, thereby greatly improving the safety and stability of the whole slope and ensuring the integral stability of the slope foot.

2. According to the utility model, the protection structure is arranged, so that the rock and soil blocks rolling down from the side slope on the support plate can be blocked to a certain extent (mainly large rock and soil blocks are blocked), and the rock and soil blocks are prevented from rolling down into the foundation pit along the support device to injure constructors in the foundation pit.

Drawings

Fig. 1 is a side sectional view of a rock foundation pit construction slope support device.

Fig. 2 is a schematic structural view of the anchor rod barrel in fig. 1 of a rock-soil foundation pit construction side slope supporting device.

Fig. 3 is a schematic perspective view of a construction side slope supporting device for a rock-soil foundation pit.

1. A support plate; 2. a bottom plate; 3. a protective structure; 301. a protective net rack; 302. a net body; 4. a hydraulic telescopic rod; 5. an upper hinging seat; 6. a lower hinge seat; 7. an anchor rod barrel; 701. a cylinder; 702. a tank body; 703. a sloping block; 704. taper nails; 8. an anchor rod; 9. and a through hole.

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. 1-3, a slope support device for construction of a rock soil foundation pit comprises a support plate 1 and a bottom plate 2, wherein the support plate 1 is tightly attached to the slope of the rock soil foundation pit, the bottom plate 2 is arranged on the ground of the rock soil foundation pit, the bottom plate 2 is hinged with the support plate 1, a hydraulic telescopic rod 4 is arranged between the support plate 1 and the bottom plate 2, the fixed end of the hydraulic telescopic rod 4 is hinged with a lower hinging seat 6 arranged on the bottom plate, the piston end of the hydraulic telescopic rod 4 is hinged with an upper hinging seat 5 arranged on the support plate 1, an anchor rod barrel 7 is arranged in the support plate 1 and the bottom plate 2, an anchor rod 8 is arranged in the anchor rod barrel 7, the anchor rod barrel 7 and the anchor rod 8 are inserted into the rock soil layer, the anchor rod barrel 7 comprises a barrel 701, a bevel block 703 and a bevel nail 704, a groove body 702 is arranged on the surface of the barrel 701, the bevel block 703 is arranged in the groove body 702, the bevel block 703 is arranged on the outer wall of the bevel block 704 in a natural state in a tilting way towards the inside of the barrel, and through holes 9 which are matched with the size of the anchor rod barrel 7 are arranged on the support plate 1 and the bottom plate 2.

The anchor pole section of thick bamboo 7 and anchor pole 8 cooperation can be together with the anchor board 1 and bottom plate 2 respectively with foundation ditch geotechnical anchor for the support board 1 is more firm with foundation ditch side slope and bottom plate 2 is connected with the foundation ditch bottom surface, and the anchor structure stretches into inside the soil body, forms the skid resistance to geotechnical with the resistance to soil body shearing destruction and weak intermediate layer emergence slip through own shear strength and transmission shelter shear strength, has greatly improved holistic safety, the stability of side slope, guarantees toe overall stability.

Example 2

Referring to fig. 1-3, on the basis of the above embodiment 1, the protection structure 3 is mounted on the top of the support plate 1, the protection structure 3 includes a protection net rack 301 and a net body 302, the protection net rack 301 is fixed on the top outer wall of the support plate 1, and the net body 302 is mounted in the middle of the protection net rack 301.

The protection structure 3 of this embodiment can block the rock and soil piece that rolls down from the side slope on the backplate 1 (mainly block big rock and soil piece), prevents that the rock and soil piece from rolling down along strutting arrangement to the constructor in the foundation ditch of injuring in the foundation ditch of smash.

The working principle of the utility model is as follows:

During the use, with backplate 1 and bottom plate 2 expansion, backplate 1 leans on the foundation ditch side slope, the bottom plate 2 prevents in the foundation ditch bottom surface, then insert anchor pole section of thick bamboo 7 one by one through-hole 9 of seting up on backplate 1 and bottom plate 2 through the mode of beating, make anchor pole section of thick bamboo 7 stretch into the geotechnical layer, then insert anchor pole 8 in the anchor pole section of thick bamboo 7 gradually, in the in-process of inserting anchor pole 8 into anchor pole section of thick bamboo 7, the sloping block 703 on anchor pole section of thick bamboo 7 can outwards be extruded by anchor pole 8, thereby be provided with awl nail 704 on the sloping block 703 and insert around the geotechnical layer, improvement anchor pole section of thick bamboo 7 that like this can be great and anchor pole 8 and geotechnical layer firm intensity, and then make backplate 1 and bottom plate 2 and foundation ditch geotechnical layer connect more firmly, the supporting effect is better, when having the geotechnical block roll down on the foundation ditch, protection architecture 3 can intercept the rock and block of big piece, thereby the safety of the constructor in the better protection foundation ditch.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (5)

1. The utility model provides a rock soil foundation pit construction side slope strutting arrangement, includes backplate (1) and bottom plate (2), its characterized in that: the support plate (1) is closely attached to the ground of a rock foundation pit, the bottom plate (2) is arranged on the ground of the rock foundation pit, the bottom plate (2) is hinged to the support plate (1), a hydraulic telescopic rod (4) is arranged between the support plate (1) and the bottom plate (2), the fixed end of the hydraulic telescopic rod (4) is hinged to a lower hinging seat (6) arranged on the bottom plate (2), the piston end of the hydraulic telescopic rod (4) is hinged to an upper hinging seat (5) arranged on the support plate (1), a protection structure (3) is arranged at the top of the support plate (1), an anchor rod cylinder (7) is arranged in the support plate (1) and the bottom plate (2), and an anchor rod (8) is arranged in the anchor rod cylinder (7) and is inserted into the rock soil layer.

2. The rock-soil pit construction side slope support device according to claim 1, wherein: the protection structure (3) comprises a protection net rack (301) and a net body (302), wherein the protection net rack (301) is fixed on the outer wall of the top of the support plate (1), and the net body (302) is arranged in the middle of the protection net rack (301).

3. The rock-soil pit construction side slope support device according to claim 1, wherein: the anchoring rod cylinder (7) comprises a cylinder body (701), an inclined block (703) and a taper nail (704), a groove body (702) is formed in the surface of the cylinder body (701), the inclined block (703) is arranged in the groove body (702), and the taper nail (704) is arranged on the outer wall of the inclined block (703).

4. A rock foundation pit construction side slope support device according to claim 3, wherein: the inclined block (703) is inclined toward the inside of the cylinder (701) in a natural state.

5. The rock-soil pit construction side slope support device according to claim 1, wherein: through holes (9) which are matched with the anchoring rod cylinders (7) in size are formed in the support plate (1) and the bottom plate (2).