CN215211053U

CN215211053U - Foundation pit supporting device convenient to implement

Info

Publication number: CN215211053U
Application number: CN202120173246.4U
Authority: CN
Inventors: 高志磊; 李大华
Original assignee: Anhui Jianzhu University
Current assignee: Anhui Jianzhu University
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-12-17
Anticipated expiration: 2031-01-22

Abstract

The utility model discloses a convenient excavation supporting device of implementing, including stock and steady native mechanism, the stock includes the nail pole, and the nail pole leans on being fixed with the retaining ring frame on the top position, and even articulated branch that is connected with on the retaining ring frame is articulated mutually through the connecting rod between the adjacent branch, steady native mechanism includes the intermediate pillar, the intermediate pillar outside evenly is equipped with six arc shovel boards, passes through hydraulic stem fixed connection between arc shovel board and the intermediate pillar. The utility model provides a convenient excavation supporting device of implementing, the structure sets up ingeniously, and is rationally distributed, and the mode of strutting again through earlier fixed soil layer is strutted fixedly to the foundation ditch, compares with traditional mode of establishhing a protecting wire net, protecting wall or fender apron, and through the stability of carrying out the initiative reinforcement to the soil layer and promoting whole soil layer, the collocation stock carries out passive form and consolidates, and the initiative combines together with passively, and the maximize has avoided the emergence of the foundation ditch slumping condition.

Description

Foundation pit supporting device convenient to implement

Technical Field

The utility model relates to a excavation supporting equipment technical field specifically is a convenient excavation supporting device of implementing.

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 person who is not excavated can use the method of putting the side slope to stabilize the earth slope, and the size of the slope is determined according to the relevant construction regulations. When a building is excavated deeply and nearby, the method of supporting the foundation pit wall, the method of protecting the wall by spraying concrete, the method of interlocking a large foundation pit even by adopting an underground continuous wall and column type cast-in-situ bored piles and the like can be used for preventing the outside soil layer from collapsing.

The applicant finds that in the existing foundation pit supporting method, a problem still exists in actual supporting, namely when the soil layer of the foundation pit is soft, the supporting difficulty is increased, the foundation pit side is required to be prevented from collapsing, and meanwhile, the influence of gradual collapse formed by extrusion of the soil layer on the outer side on the foundation pit side is also required to be prevented, so that the construction needs to be carefully carried out after the foundation pit supporting is finished, and the construction efficiency is seriously influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a convenient excavation supporting device of implementing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a foundation ditch supporting device of convenient implementation, includes stock and steady native mechanism, the stock includes the nail pole, and the nail pole leans on being fixed with the retaining ring frame on the top position, and even articulated being connected with branch on the retaining ring frame is articulated mutually through the connecting rod between the adjacent branch and is connected, steady native mechanism includes the intermediate pillar, and the intermediate pillar outside evenly is equipped with six arc shovel boards, through hydraulic stem fixed connection between arc shovel board and the intermediate pillar.

When strutting, at first use steady soil mechanism to come to carry out the stable consolidation with the soil layer of foundation ditch side, then use the stock to come to stabilize the soil layer of large tracts of land and fix, strut fixedly to the foundation ditch through this kind of mode of fixing the soil layer earlier and strutting again, compared with traditional mode of setting up a supporting net, protecting wall or fender apron, through carrying out the initiative reinforcement to the soil layer and promoting the stability of whole soil layer, the collocation stock carries out passive reinforcement, the initiative is combined together with passively, the emergence of the foundation ditch slumping condition has been avoided to the maximize, it is also more convenient to be under construction simultaneously and implement.

As a further aspect of the present invention: the hydraulic stem outside is equipped with simultaneously and is fixed in the protection plate group on arc shovel board and the center pillar, plays the purpose of separately soil layer when stretching into the soil horizon, avoids the soil layer to produce to block the influence to the hydraulic stem.

As a further aspect of the present invention: the protective plate group comprises a first protective plate and a second protective plate, the second protective plate is attached to the first protective plate, a limiting sliding groove is preset on the second protective plate towards one side of the first protective plate and is communicated with the outside through a communicating groove, a limiting sliding block is uniformly welded and fixed on the first protective plate towards one side of the second protective plate and penetrates through the communicating groove to extend into the limiting sliding groove to form sliding connection and be fixed, and the first protective plate and the second protective plate can be connected in a sliding mode to prevent the arc shovel plate from stretching out and drawing back when a protection hydraulic rod is connected.

As a further aspect of the present invention: the top of the first protection plate is fixed with a scraper plate which is abutted to the second protection plate, and the surface attached soil is scraped away, so that the sliding motion of the protection plate group is prevented from being influenced.

As a further aspect of the present invention: the middle column is sleeved with a pressure equalizing plate which is abutted to the top of the arc shovel plate, the top of the middle column is abutted to the pressure bearing table, and the bottom of the pressure bearing table is simultaneously fixed with a stress column which is abutted to the pressure equalizing plate, so that the arc shovel plate and the middle column can be conveniently and stably driven into the soil layer.

As a further aspect of the present invention: and a hydraulic oil duct for the liquid pressure rod pipeline to pass through is preset in the middle column, so that the influence of a soil layer on the hydraulic pipeline is avoided, and the normal operation of the hydraulic rod is ensured.

As a further aspect of the present invention: the arc shovel board is provided with an outer angle ring at the upper bottom in a welded and fixed mode, the outer angle ring is arranged in a protruding structure which is inclined outwards from the inner side of the arc shovel board, the effect of collecting soil and enlarging the outer diameter is achieved, the soil is collected to enable the arc shovel board to capture more soil, and the outer diameter is enlarged to enable the arc shovel board to be taken out of a soil layer conveniently.

Compared with the prior art, the utility model has the advantages of following several aspects:

the utility model discloses in, when strutting, at first use steady soil mechanism to come to stabilize the consolidation with the soil layer of foundation ditch side, then use the stock to come to stabilize the soil layer of large tracts of land and fix, the mode of strutting again through this kind of earlier fixed soil layer is strutted fixedly to the foundation ditch, with traditional establishment support net, protecting wall or fender apron mode compare, through initiatively strengthening the soil layer and promoting the stability of whole soil layer, the collocation stock carries out passive form and consolidates, the initiative combines together with passively, the emergence of the condition that the foundation ditch slumped has been avoided to the maximize, it is also more convenient to be under construction simultaneously and implement.

The utility model discloses in, steady native mechanism is beaten earlier in the soil horizon, then carry out the compaction through the soil that hydraulic stem comes arc shovel board to divide, take out arc shovel board and intermediate pillar after, form in the soil horizon in the middle of being the hole of compaction earth pillar, to in the hole pour into the concrete can, concrete inflation extrusion outside soil horizon, compaction earth pillar in the middle of the collocation, when foundation ditch surface distance is evenly laid, can realize the reinforcement to the foundation ditch permanence, even remove the stock, the soil horizon has still obtained the reinforcement and strut, the validity period is longer.

The utility model discloses in, this supporting device convenient operation is easy to go, and it is better to the excavation supporting reinforcement effect that more pine weak soil constitutes.

Drawings

Figure 1 is an elevation view of an anchor rod in an easily implemented foundation pit support apparatus.

Figure 2 is a top view of the anchor rods in an easily implemented excavation support apparatus.

Figure 3 is a front view of a soil stabilization mechanism in an easily implemented excavation supporting apparatus.

Figure 4 is a partial cross-sectional view of a soil stabilization mechanism in an easily implemented excavation supporting apparatus.

Figure 5 is a partial cross-sectional view of an arcuate blade of a convenient embodiment of an excavation supporting apparatus.

Fig. 6 is a schematic diagram of a partial structure of a guard plate group in an easy-to-implement foundation pit supporting device.

In the figure: 1. an anchor rod; 10. a nail rod; 11. a strut; 12. a stationary ring frame; 13. a connecting rod; 2. a soil stabilizing mechanism; 20. an arc-shaped shovel plate; 200. an outer corner ring; 21. a middle column; 210. a hydraulic oil passage; 22. a hydraulic lever; 23. a guard plate group; 230. a first guard plate; 231. a second guard plate; 232. a limiting chute; 233. a communicating groove; 234. a squeegee; 235. a limiting slide block; 24. a pressure equalizing plate; 25. a pressure bearing table; 26. a stress column.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 6, a foundation pit supporting device convenient to implement includes an anchor rod 1 and a soil stabilizing mechanism 2;

the anchor rod 1 comprises a nail rod 10, support rods 11, a fixed ring frame 12 and a connecting rod 13, wherein the fixed ring frame 12 is welded and fixed on the top of the nail rod 10, a plurality of the support rods 11 are uniformly hinged and connected to the fixed ring frame 12, the adjacent support rods 11 are hinged and fixed through the connecting rod 13, and the anchor rod 1 is unfolded to be umbrella-shaped;

the soil stabilizing mechanism 2 comprises an arc-shaped shovel plate 20, a middle column 21 and hydraulic rods 22, six arc-shaped shovel plates 20 are uniformly positioned on the outer side of the middle column 21, the arc-shaped shovel plate 20 is fixedly connected with the middle column 21 through the hydraulic rods 22, a protective plate group 23 welded and fixed on the arc-shaped shovel plate 20 and the middle column 21 is arranged on the outer side of the hydraulic rods 22, a pressure equalizing plate 24 abutting against the top of the arc-shaped shovel plate 20 is sleeved on the middle column 21, the top of the middle column 21 abuts against a pressure bearing table 25, and a stress column 26 abutting against the pressure equalizing plate 24 is welded at the bottom of the pressure bearing table 25;

the protective plate group 23 comprises a first protective plate 230 and a second protective plate 231, the second protective plate 231 is attached to the first protective plate 230, a limiting sliding groove 232 is preset on one side, facing the first protective plate 230, of the second protective plate 231, the limiting sliding groove 232 is communicated with the outside through a communicating groove 233, a limiting sliding block 235 is uniformly welded and fixed on one side, facing the second protective plate 231, of the first protective plate 230, the limiting sliding block 235 penetrates through the communicating groove 233 to extend into the limiting sliding groove 232 to form sliding connection and fixation, and a scraper 234 which abuts against the second protective plate 231 is fixed to the top of the first protective plate 230 through bolts;

an outer angle ring 200 is welded and fixed at the upper bottom of the arc shovel plate 20, the outer angle ring 200 is arranged in a structure that the inner side of the arc shovel plate 20 inclines and protrudes outwards, and a hydraulic oil duct 210 for a liquid pressure rod 22 to pass through is preset in the middle column 21.

The utility model discloses a theory of operation is: the utility model provides a foundation pit supporting device convenient to implement, the structure is ingenious to set up, and the layout is reasonable, the collocation concrete perfusion equipment and pile driving equipment use during the use, aim at the soil layer surface earlier with the intermediate column 21, then strike bearing platform 25 by the pile driving equipment and produce the impact and drive the intermediate column 21 and arc shovel board 20 into the soil layer, then hydraulic stem 22 contracts and with the soil layer hydraulic pressure compaction between arc shovel board 20 and the intermediate column 21, make it form the cavity with outside soil layer phase separation, then loosen and take out intermediate column 21 and arc shovel board 20, insert the ejector pin 10 of stock 1 in the hole that the intermediate column 21 extrudes in the soil layer at this moment, then fill up the concrete in the cavity between inside and outside soil layer by the concrete perfusion equipment, according to the foundation pit four sides area that needs are strutted, the distance is repeated to carry out above-mentioned operation, strut the mode to fix the foundation pit through this kind of fixing soil layer earlier and then strutting, compared with the traditional mode of establishing a supporting net, a protective wall or a retaining plate, the stability of the whole soil layer is improved by actively reinforcing the soil layer, the anchor rods are matched for passive reinforcement, the active and passive combination is realized, the occurrence of foundation pit collapse is avoided to the maximum, and the construction and implementation are more convenient.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a foundation ditch supporting device of convenient implementation, includes stock (1) and steady native mechanism (2), its characterized in that, stock (1) is including nail pole (10), and nail pole (10) are fixed with retaining ring frame (12) on leaning on the top position, and the even articulated branch (11) that are connected with on retaining ring frame (12) are connected through connecting rod (13) looks articulated between adjacent branch (11), steady native mechanism (2) include intermediate pillar (21), and the intermediate pillar (21) outside evenly is equipped with six arc shovel boards (20), through hydraulic stem (22) fixed connection between arc shovel board (20) and intermediate pillar (21).

2. An easily implemented foundation pit supporting device according to claim 1, characterized in that the hydraulic rods (22) are provided with a guard plate group (23) fixed on the arc-shaped shovels (20) and the middle column (21) at the same time.

3. The foundation pit supporting device convenient to implement according to claim 2, wherein the protection plate group (23) comprises a first protection plate (230) and a second protection plate (231), the second protection plate (231) is attached to the first protection plate (230), a limiting sliding groove (232) is preset on one side, facing the first protection plate (230), of the second protection plate (231), the limiting sliding groove (232) is communicated with the outside through a communicating groove (233), a limiting sliding block (235) is uniformly welded and fixed on one side, facing the second protection plate (231), of the first protection plate (230), and the limiting sliding block (235) penetrates through the communicating groove (233) to extend into the limiting sliding groove (232) to form sliding connection and fixation.

4. An easily implemented foundation pit supporting device according to claim 3, characterized in that a scraper (234) abutting against the second protection plate (231) is fixed on top of the first protection plate (230).

5. The foundation pit supporting device convenient to implement according to claim 1, wherein the middle column (21) is sleeved with a pressure equalizing plate (24) abutting against the top of the arc-shaped shovel plate (20), the top of the middle column (21) abuts against a pressure bearing table (25), and the bottom of the pressure bearing table (25) is simultaneously fixed with a stress column (26) abutting against the pressure equalizing plate (24).

6. A foundation pit support device convenient to implement according to claim 5, characterized in that a hydraulic oil channel (210) for a hydraulic rod (22) to pass through is preset in the middle column (21).

7. The foundation pit supporting device convenient to implement according to any one of claims 1 to 6, wherein an outer corner ring (200) is welded and fixed to the upper bottom of the arc-shaped shovel plate (20), and the outer corner ring (200) is arranged in a structure that the inner side of the arc-shaped shovel plate (20) inclines outwards and protrudes.