Earth excavation anti-landslide supporting assembly

Abstract

The utility model discloses an earthwork excavation anti-landslide supporting assembly, which belongs to the technical field of earthwork operation supporting equipment, and comprises an excavation foundation pit, a groove is excavated at the edge position of the plane at the upper end of the excavation foundation pit, a top supporting seat is filled in the groove, and the top supporting seat comprises a bottom plate. A plurality of L-shaped connecting plates are welded to the upper surface of the bottom plate at equal intervals, the horizontal sections of the L-shaped connecting plates extend forwards to an excavation foundation pit area, a transversely-penetrating mounting plate is welded to the horizontal sections of the L-shaped connecting plates, and a plurality of sets of downward excavation positioning inserting rods are arranged on the surface of the mounting plate with the L-shaped connecting plates as intervals. Wherein the height of each group of down-digging positioning insertion rods is the same, and the plurality of groups of down-digging positioning insertion rods are inserted into an excavated foundation pit. On one hand, the anti-landslide supporting assembly can be expanded and arranged along with earth excavation conveniently, on the other hand, the expanded and arranged assembly and an upper layer assembly can be correspondingly restrained, the overall stability is good, and the construction time can be saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to earthwork operation supporting equipment technical field more specifically, relate to a kind of earthwork excavation landslide prevention support assembly. BACKGROUND

[0002] The existing earthwork excavation includes direct stratified excavation, basin type excavation and island type and reverse construction method excavation, wherein in the foundation pit with internal support, earthwork excavation should follow the principle of "slotted support, first support, stratified excavation with digging and pouring", in the actual excavation process, due to excavation, climate, soil interlayer water immersion surface and saturated water fine sand, silt liquefaction due to vibration and other reasons, the danger of landslide accident easily occurs in the side wall of foundation pit, the existing side wall support generally uses enclosure and support anchor structure, wherein the enclosure includes wood retaining wall, H-shaped steel column and the like, and the support anchor includes cantilever type, anchor pulling type and the like, the above structure has the following problems: one is not convenient to expand vertically with the excavation of earthwork, and the layout is more tedious;Second, there is a lack of stable mutual constraint structure between upper and lower supports, which affects the stability of the overall support. SUMMARY

[0003] The utility model aims at providing a kind of earthwork excavation landslide prevention support assembly, the landslide prevention support assembly is convenient to expand and layout following the excavation of earthwork on one hand, and the component of expansion and layout can be correspondingly constrained with upper component, the overall stability is good, and construction time can be saved.

[0004] In order to achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0005] An earthwork excavation landslide prevention support assembly, comprising an excavation foundation pit, a recess is provided at the upper end plane edge position of the excavation foundation pit, a top support seat is filled in the recess, the top support seat comprises a bottom plate, a plurality of L-shaped connecting plates are equidistantly welded on the upper surface of the bottom plate, the horizontal section of the L-shaped connecting plate extends forward to the excavation foundation pit area, a transversely penetrating mounting plate is welded to the horizontal section of the L-shaped connecting plate, a plurality of groups of lower excavation positioning rods are provided on the surface of the mounting plate at intervals of the plurality of L-shaped connecting plates, wherein each group of lower excavation positioning rods has the same height, and the plurality of groups of lower excavation positioning rods are inserted into the excavation foundation pit.

[0006] As a further optimization of the present scheme, a plurality of anchor piers are installed on the upper surface of the bottom plate at intervals of the plurality of L-shaped connecting plates, triangular stable reinforcing ribs are welded at the intersection position of the mounting plate and the L-shaped connecting plate and the intersection position of the L-shaped connecting plate and the upper end plane of the foundation pit.

[0007] As further optimization of the scheme, the periphery of each group of the lower digging positioning inserting rods and the lower part are surrounded by concrete pouring grids, and the concrete pouring grids are poured with concrete to form horizontal and vertical retaining walls, wherein triangular supports are installed in front of the vertical retaining walls through wall bolts, the horizontal sections of the triangular supports are supported by upper and lower two symmetrical and horizontally arranged T-shaped steel plates, and a plurality of anchor base plates are welded on the outer sides of the upper and lower two symmetrical and horizontally arranged T-shaped steel plates at equal intervals, wherein the surfaces of each anchor base plate are penetrated by an anchor cable, and the lower end of the anchor cable penetrates into the soil layer inside the side wall of the foundation pit.

[0008] As further optimization of the scheme, the inner sides of the upper and lower two symmetrical and horizontally arranged T-shaped steel plates are provided with a plurality of H-shaped steel plates, wherein the inner sides of the T-shaped steel plates are fixed by bolts at the four corner positions of the H-shaped steel plates, and the middle horizontal sections of the H-shaped steel plates are penetrated by anchor cables.

[0009] As further optimization of the scheme, the plurality of groups of the lower digging positioning inserting rods are vertically staggered on the surface of the mounting plate.

[0010] Compared with the prior art, the utility model has the advantages that:

[0011] The plurality of groups of the lower digging positioning inserting rods in the utility model are limited and constrained by the upper mounting plate, and the mounting plate is connected and fixed with the soil layer at the upper end of the foundation pit through the L-shaped connecting plate and the anchor pier, so that the stability is good, the vertical expansion can be conveniently realized along with the excavation of the earthwork, the positioning inserting rods of different heights are only needed to be inserted in batches, the layout is convenient and fast, the construction time can be saved, the anchor cable at the lower part is further stabilized and limited by the H-shaped steel plate on the inner side of the T-shaped steel plate, the anchoring stability for the landslide is good, and the safety of the earthwork excavation is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a supporting component installation structure schematic view of the utility model;

[0013] Figure 2 It is an L-shaped connecting plate installation structure schematic view of the utility model;

[0014] Figure 3 It is a T-shaped steel plate side surface structure schematic view of the utility model;

[0015] Figure 4 It is a T-shaped steel plate rear structure schematic view of the utility model;

[0016] In the drawing: 1, excavated foundation pit; 2, L-shaped connecting plate; 3, mounting plate; 4, positioning inserting rod; 5, concrete pouring grid; 6, anchor pier; 7, triangular stabilizing reinforcing bar; 8, T-shaped steel plate; 9, anchor base plate; 10, anchor cable; 11, H-shaped steel plate; 12, triangular support; 13, wall bolt; 14, bolt. DETAILED DESCRIPTION

[0017] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific drawings.

[0018] In order to solve the problems that the existing earthwork excavation supporting structure is inconvenient to expand vertically along with the earthwork excavation, the layout is relatively complicated, and there is a lack of stable mutual constraint structure between the upper and lower supports, which affects the stability of the overall support,

[0019] As shown in Figure 1 , the application comprises an excavation pit 1, a groove is excavated at the upper end plane edge position of the excavation pit 1, and a top support seat is filled in the groove. The top support seat comprises a bottom plate, a plurality of L-shaped connecting plates 2 are equidistantly and spacedly welded on the upper surface of the bottom plate, the horizontal section of the L-shaped connecting plate 2 extends forward to the excavation pit area, the horizontal section of the L-shaped connecting plate 2 is welded with a transversely penetrating mounting plate 3, a plurality of groups of lower excavation positioning inserting rods 4 are arranged on the surface of the mounting plate 3 at intervals of the plurality of L-shaped connecting plates 2, each group of lower excavation positioning inserting rods 4 has the same height, the plurality of groups of lower excavation positioning inserting rods 4 are inserted into the inside of the excavation pit 1, and the plurality of groups of lower excavation positioning inserting rods 4 are vertically staggered on the surface of the mounting plate 3;

[0020] As shown in Figure 2 , a plurality of anchor piers 6 are installed on the upper surface of the bottom plate at intervals of the plurality of L-shaped connecting plates 2, triangular stable reinforcing ribs 7 are welded at the joint positions of the mounting plate 3 and the L-shaped connecting plate 2 and the joint positions of the L-shaped connecting plate 2 and the upper end plane of the pit, so as to improve the stability and reliability of the welding positions and the supports below the L-shaped connecting plate 2;

[0021] As shown in Figure 3 , a concrete pouring grid 5 is arranged around and below each group of lower excavation positioning inserting rods 4, and a transversely and vertically arranged retaining wall is formed by pouring concrete in the concrete pouring grid 5, wherein a triangular support 12 is installed in front of the vertically arranged retaining wall through a wall screw bolt 13, and two symmetrical and transversely arranged T-shaped steel plates 8 are supported above the horizontal section of the triangular support 12, a plurality of anchor seat plates 9 are equidistantly and spacedly welded on the outer side surfaces of the two symmetrical and transversely arranged T-shaped steel plates 8, and an anchor cable 10 penetrates through the surface of each anchor seat plate 9 and penetrates into the soil layer inside the side wall of the pit at the lower end of the anchor cable 10;

[0022] As shown in Figure 4 , a plurality of H-shaped steel plates 11 are installed on the inner side surfaces of the two symmetrical and transversely arranged T-shaped steel plates 8, the four corner positions of the H-shaped steel plate 11 are fixed to the inner side surface of the T-shaped steel plate 8 through a bolt 14, and the middle transverse section of the H-shaped steel plate 11 penetrates through the anchor cable 10,

[0023] Specifically, the upper ends of the several groups of the excavated positioning inserting rods 4 are fixed on the mounting plate 3, and the mounting plate 3 is connected and fixed with the soil layer at the upper end of the foundation pit through the L-shaped connecting plate 2 and the anchor pier 6, so that the stability is good, the vertical expansion can be conveniently carried out along with the excavation of the earthwork, the positioning inserting rods 4 of different heights are only needed to be inserted in batches, the concrete pouring grid 5 is laid, and the concrete is poured, so that a plurality of horizontal and vertical retaining walls are formed from top to bottom, the continuous excavation is carried out, the laying is convenient and fast, and the construction time can be saved;

[0024] The anchor cable 10 below is further stabilized and limited through the H-shaped steel plate 11 on the inner side of the T-shaped steel plate 8, the anchoring stability for the landslide is good, and the safety of the earthwork excavation is improved.

[0025] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, the circuit connection adopts the conventional connection mode in the prior art, and details are not described herein.

[0026] The basic principle and main characteristics of the utility model and the advantages of the utility model are shown and described. It should be understood by the skilled person in the industry that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification only illustrate the principle of the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A landslip protection assembly for earth excavation, comprising an excavated foundation pit, characterised in that: The excavated foundation pit upper end plane edge position is provided with a groove, the groove is filled with a top support seat, the top support seat comprises a bottom plate, a plurality of L-shaped connecting plates are welded on the upper surface of the bottom plate at equal intervals, the horizontal section of the L-shaped connecting plate extends forward to the excavated foundation pit area, the horizontal section of the L-shaped connecting plate is welded with a transversely penetrating mounting plate, a plurality of groups of lower digging positioning inserting rods are arranged on the surface of the mounting plate at intervals of a plurality of L-shaped connecting plates, each group of lower digging positioning inserting rods has the same height, and the plurality of groups of lower digging positioning inserting rods are inserted into the excavated foundation pit.

2. A landslip support assembly for earth excavation according to claim 1, wherein: The bottom plate is provided with a plurality of anchor blocks at intervals of a plurality of L-shaped connecting plates, and triangular stable reinforcing ribs are welded at the joint positions of the mounting plate and the L-shaped connecting plate and the joint positions of the L-shaped connecting plate and the upper end plane of the foundation pit.

3. A landslip support assembly for earth excavation according to claim 2, wherein: The periphery and the lower part of each group of lower digging positioning inserting rods are surrounded by a concrete pouring grid, the concrete pouring grid is filled with concrete to form horizontal and vertical retaining walls, triangular supports are installed in front of the vertical retaining walls through wall bolts, the horizontal section of the triangular support is provided with two symmetrical and horizontally arranged T-shaped steel plates, a plurality of anchor block plates are welded on the outer side of the two symmetrical and horizontally arranged T-shaped steel plates at equal intervals, the surface of each anchor block plate penetrates an anchor cable, and the lower end of the anchor cable penetrates into the soil layer of the side wall of the foundation pit.

4. A landslip support assembly for earth excavation according to claim 3, characterised in that: The inner side of the two symmetrical and horizontally arranged T-shaped steel plates is provided with a plurality of H-shaped steel plates, the four corner positions of the H-shaped steel plate are fixed to the inner side of the T-shaped steel plate through bolts, and the middle horizontal section of the H-shaped steel plate penetrates the anchor cable.

5. A landslip support assembly for earth excavation according to claim 4, characterised in that: The plurality of groups of lower digging positioning inserting rods are vertically staggered on the surface of the mounting plate.

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