CN116905511A - Foundation pit construction protection device and method - Google Patents

Abstract

The embodiment of the application provides a foundation pit construction protection device and a method, and belongs to the technical field of building construction. The foundation pit construction protection device comprises a fixing assembly, a water retaining assembly and a railing assembly, wherein the fixing assembly is arranged at the top of the foundation pit and comprises a plurality of bases which are distributed at intervals along the extending direction of the foundation pit; the water retaining assembly is arranged on one side of the bases, which is away from the foundation pit; the water retaining assembly comprises a plurality of water retaining plates, and the water retaining plates are used for being matched with two adjacent bases; the railing assembly is arranged on the fixing assembly and comprises a plurality of railing segments, each railing segment is arranged on two adjacent bases, and the railing assembly is used for providing protection for the foundation pit; be equipped with first connecting piece between base and the railing segment, the base runs through along its thickness direction and is provided with the pre-buried hole that supplies first connecting piece to wear to establish, and first connecting piece is used for making detachably between railing segment and the base and connects. The foundation pit construction protection device has the advantages of simple structure, easy installation and cyclic utilization.

Description

Foundation pit construction protection device and method

Technical Field

The application relates to the technical field of building construction, in particular to a foundation pit construction protection device and method.

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. The waterproof drainage work is performed before excavation, and as the engineering period is longer, and the foundation pit or the foundation trench has a certain depth, personnel usually build a protective guard on the side slope of the foundation pit.

In foundation pit engineering, especially deep foundation pit engineering, control of water is critical, underground water is not only controlled, but also hazards caused by water represented by rainwater and the like are solved. At the top of foundation ditch enclosure we can set up water intercepting ditches or manger plate bank around the foundation ditch limit generally, avoid the ponding that top rainwater or place washed to follow the roof along the wall inflow hole in to wash the bank protection and lead to side slope soil erosion and water loss, lose stability, cause the wall collapse accident. However, most of the existing water retaining ridge forms adopt bricks or concrete pouring, the bricks are required to be plastered on the inner side and the outer side, the concrete is required to be supported and disassembled, the templates are required to be maintained, if the water retaining ridge is damaged and repaired, the water retaining ridge is relatively complicated in cost and long in construction period, the bricks or the concrete are broken into pieces after being damaged, and objects which are easy to hurt people are easy to strike when the bricks or the concrete falls into a pit.

Disclosure of Invention

The embodiment of the application provides a foundation pit construction protection device and a foundation pit construction protection method, which have the advantages of simple structure, easiness in installation, shortened construction period and recycling.

In a first aspect, an embodiment of the present application provides a foundation pit construction protection device, where the foundation pit construction protection device includes a fixing component, a water retaining component and a railing component, the fixing component is disposed at a top of a foundation pit, the fixing component includes a plurality of bases, and the plurality of bases are distributed at intervals along an extension direction of the foundation pit; the water retaining assembly is arranged on one side of the bases, which is away from the foundation pit, and forms a water retaining bank together with the fixing assembly; the water retaining assembly comprises a plurality of water retaining plates, and the water retaining plates are used for being matched with two adjacent bases; the railing assembly is arranged on the fixing assembly and comprises a plurality of railing segments, each railing segment is arranged on two adjacent bases, and the railing assembly is used for providing protection for the foundation pit; wherein, be provided with first connecting piece between base and the railing segment, the base runs through along its thickness direction and is provided with the pre-buried hole that supplies first connecting piece to wear to establish, and first connecting piece is used for making detachably between railing segment and the base to be connected.

In this scheme, through the common manger plate protective structure who constitutes of fixed subassembly, manger plate subassembly and railing subassembly, the manger plate guard structure has been satisfied and the dual effect of protection for the manger plate of foundation ditch, and the manger plate board that adopts in the manger plate subassembly sets up between two adjacent bases, a plurality of manger plates cooperate with a plurality of bases both jointly, play the effect of manger plate, avoided conventional manger plate bank to rely on pouring concrete completely or masonry structure and cause the waste of concrete, avoided also that solitary masonry structure can not realize the convenience of guard structure quick installation. The pre-buried hole is reserved on the base, the first connecting piece passes through the pre-buried hole and can be connected with the railing segment quickly, so that the railing segment and the base are convenient to install, the railing unit can be installed quickly, and the construction period is shortened. And detachably connects between base and the railing, has also improved railing, base and first connecting piece's utilization efficiency, but reuse and nimble removal. And in the later stage, when the protective device is dismantled, the base, the water baffle and the railing segments can be recycled, the utilization efficiency of the protective structure is also improved to the maximum extent, and the protective device can be quickly transferred to the next construction segment for installation and use.

In some embodiments, the railing section comprises a railing and two upright posts, the railing is arranged between the two upright posts and connected with the upright posts, the lower ends of the upright posts are provided with first connecting lug plates, the first connecting lug plates are provided with first connecting holes, the first connecting pieces comprise connecting screws and nuts, one ends of the connecting screws penetrate through the pre-buried holes and the first connecting holes and then are fastened to the first connecting lug plates through the nuts, so that the railing section is detachably connected with the base.

In the above technical scheme, because the lower extreme of stand is provided with first connecting otic placode, through adopting connecting bolt's mode with first connecting piece, connecting screw's lower extreme is spacing in the lower extreme of base, and connecting screw's upper end passes behind pre-buried hole and the first connecting hole of first connecting otic placode, fastens in on the first connecting otic placode soon through the nut, realizes that the spiro union of base and railing section is fixed, simple to operate is swift, has improved the installation effectiveness of railing greatly.

In some embodiments, along the direction of height of the water baffle, the water baffle comprises a water baffle section and a plug section, the plug section is located at the lower end of the water baffle section, the plug section comprises a plurality of plug parts, the plug parts are distributed at intervals along the length direction of the water baffle, the lower end of the plug parts is conical, and the plug parts are used for enabling the water baffle to be inserted into soil.

Among the above-mentioned technical scheme, through dividing into the breakwater and inserting the section, including a plurality of grafting portions in the grafting section, a plurality of grafting portions insert in the soil body, and the bottom portion of breakwater can insert in the soil body through grafting portion like this, realizes that the multiple spot of breakwater is fixed, lets the breakwater can be more firm fix in the soil body for the breakwater bank that constitutes between breakwater and the base is more firm. And the plugging part is arranged to be conical, so that the water baffle is more beneficial to being inserted into soil, and the water baffle is more labor-saving to install and fix.

In some embodiments, the water baffle further comprises a connecting section, the connecting section is perpendicular to the water baffle section and extends to one side close to the base, the connecting section comprises a plurality of connecting portions, the connecting portions are distributed at intervals along the length direction of the water baffle and located at the bottom of the base, the connecting portions are provided with yielding holes, the yielding holes are used for allowing the connecting screw to pass through, and the aperture of the yielding holes is smaller than the outer diameter of the head of the connecting screw.

Among the above-mentioned technical scheme, for better improvement breakwater and the wholeness between the base for breakwater and base close as an organic wholely, through being provided with connecting portion on the breakwater, be provided with the hole of stepping down on the connecting portion, when connecting screw passes pre-buried hole, let connecting screw pass the hole of stepping down of connecting portion earlier, then pass after pre-buried hole again and be connected with the railing section, make like this between breakwater and the base close as an organic wholely. Therefore, the force can be transferred between the water baffle and the base, and the integrity between the water baffle and the base is further improved. The breakwater is inserted into the soil body, when the external force received by the base is large, the breakwater can provide a limiting effect for the base, the base is prevented from being deviated, and likewise, when the breakwater receives external resistance, the base still can provide a blocking force for the breakwater, so that the stability of the breakwater is higher, and the breakwater and the base are stressed in a mutual cooperation manner. And when the protective structure is dismantled subsequently, the base, the water baffle and the railing segment can be disassembled rapidly, so that the waste of materials can be avoided, and the transfer is convenient and quick.

In some embodiments, the number of pre-buried holes is two on the same base.

In some embodiments, along the length direction of the breakwater, two sides of the breakwater are respectively provided with a first matching part and a second matching part, the first matching part and the second matching part are used for being connected with two adjacent breakwater in a lap joint mode, along the thickness direction of the breakwater, the sum of the thicknesses of the first matching part and the second matching part is equal to the thickness of the breakwater, two sides, deviating from each other, of the first matching part and the second matching part are respectively flush with two sides of the thickness direction of the breakwater, one opposite sides of the first matching part and the second matching part are respectively provided with a protrusion and a groove, and when two adjacent breakwater are in lap joint, the groove is used for being embedded by the protrusion.

In the above technical scheme, through being provided with first cooperation portion and second cooperation portion respectively in the breakwater both sides, the thickness sum of first cooperation portion and second cooperation portion equals the thickness of breakwater, when overlap joint is carried out between two adjacent breakwater like this, utilizes the overlap joint of first cooperation portion on the breakwater on the second cooperation portion of another adjacent breakwater for the breakwater is in the coplanar in the both sides of thickness direction, avoids appearing the phenomenon that leaks. In order to further improve the waterproof performance of breakwater handing-over position department, through being provided with protruding and recess respectively in one side that first cooperation portion and second cooperation portion are in opposite directions, protruding and recess can play the effect that blocks the water and pass through like this, have further improved the sealing performance between two adjacent breakwater.

In some embodiments, a third connecting member is provided between the first mating portion and the second mating portion, the third connecting member being configured to detachably connect between two adjacent water deflectors.

In the above technical scheme, through being provided with the third connecting piece between first cooperation portion and second cooperation portion, the third connecting piece can make detachably connect between two adjacent breakwater, has improved the wholeness between the breakwater to the protruding and recess combination in first cooperation portion and the second cooperation portion are inseparabler, ensure the leakproofness between two adjacent breakwater.

In some embodiments, second connecting lug plates are respectively arranged on two sides of the length direction of the railing segment, second connecting holes are formed in the second connecting lug plates, and second connecting pieces penetrate through the second connecting holes of two adjacent railing segments so as to enable the two adjacent railing segments to be connected.

In the above technical scheme, through being provided with the second respectively at the both sides of the length direction of railing section and connecting the otic placode, be provided with the second connecting hole on the second connecting the otic placode, only need adopt the second connecting piece to pass the second connecting hole of two railing sections like this, just can realize the concatenation of two adjacent railing sections, convenient operation is swift to it is also very convenient when dismantling in the follow-up.

In some embodiments, a plurality of hanging parts are convexly arranged on one side, facing the foundation pit, of the upright post, and the hanging parts are used for hanging the upper end of the protection net on the outer side surface of the foundation pit.

In the technical scheme, through being provided with the hitching part on the stand, the hitching part can supply the upper end of the protection network of foundation ditch lateral surface to hang to establish, and the upside of the close mesh net in foundation ditch outside like this can hang on the stand, avoids close mesh net to be blown off in the foundation ditch under the strong wind effect and lose the guard action.

In a second aspect, an embodiment of the present application further provides a method for constructing a protection device for a foundation pit, including the following steps: positioning and paying off the periphery of the outer side of the foundation pit to obtain a plurality of installation points for arranging the fixing assembly, arranging the base and the water baffle at the installation points, wherein the center distance between two adjacent bases is the length of a railing segment; and arranging railing assemblies on two adjacent bases, and allowing the first connecting piece to pass through so as to detachably connect the railing assemblies with the bases.

Additional features and advantages of the application will be set forth in the detailed description which follows.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a foundation pit construction protection device according to some embodiments of the present application;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is an enlarged schematic view of FIG. 2A;

FIG. 4 is a front view of the splash plate of FIG. 1;

FIG. 5 is a side view of the splash plate of FIG. 1;

fig. 6 is a top view of the connection of adjacent water baffles of fig. 1.

Icon: 10-a base; 11-embedding holes; 12-a receiving groove; 20-a water baffle; 21-a water retaining section; 22-plug-in parts; 23-connecting part; 24-a first mating portion; 25-a second mating portion; 26-groove; 27-bulge; 30-railing segments; 31-railing; 32-stand columns; 33-a first connection lug; 34-a second connection ear; 35-a hitching section; 40-first connection; 41-connecting a screw; 42-screw cap; 43-third connector; 50-soil mass; 100-guard.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the embodiments of the present application, it should be noted that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that is conventionally put in use of the product of this application, merely for convenience in describing the present application and simplifying the description, and is not indicative or implying that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present application, it should also be noted that, unless explicitly stated and limited otherwise, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

Examples

Referring to fig. 1 to 6, a foundation pit construction protection device 100 includes a fixing assembly, a water retaining assembly and a railing assembly, wherein the fixing assembly is arranged at the top of a foundation pit, the fixing assembly includes a plurality of bases 10, and the bases 10 are distributed at intervals along the extending direction of the foundation pit; the water blocking assemblies are arranged on one sides of the bases 10, which are away from the foundation pit, and form a water blocking bank together with the fixing assemblies; the water baffle assembly comprises a plurality of water baffles 20, wherein the water baffles 20 are used for being matched with two adjacent bases 10; the railing assembly is arranged on the fixing assembly and comprises a plurality of railing segments 30, each railing segment 30 is arranged on two adjacent bases 10, and the railing assembly is used for providing protection for a foundation pit; wherein, a first connecting piece 40 is disposed between the base 10 and the railing segment 30, the base 10 is provided with a pre-buried hole 11 along the thickness direction for the first connecting piece 40 to penetrate, and the first connecting piece 40 is used for detachably connecting the railing segment 30 and the base 10.

In this scheme, through the common manger plate protective structure who constitutes of fixed subassembly, manger plate subassembly and railing subassembly, the manger plate guard structure has been satisfied and the dual effect of protection for the manger plate of foundation ditch, and the manger plate 20 in the manger plate subassembly is adopted, the manger plate 20 sets up between two adjacent bases 10, a plurality of manger plates 20 cooperate with a plurality of bases 10 together, play the effect of manger plate, avoided conventional manger plate bank to rely on pouring concrete completely or masonry structure and cause the waste of concrete, also avoided solitary masonry structure can not realize the convenience of guard structure quick installation. The pre-buried hole 11 is reserved on the base 10, the first connecting piece 40 passes through the pre-buried hole 11 and can be quickly connected with the railing segment 30, so that the railing segment 30 and the base 10 are conveniently installed, the railing 31 unit can be quickly installed, and the construction period is shortened. And the base 10 is detachably connected with the railing 31, so that the utilization efficiency of the railing 31, the base 10 and the first connecting piece 40 is improved, and the railing can be repeatedly utilized and flexibly moved. When the protection device 100 is dismantled in the later stage, the repeated utilization of the base 10, the water baffle 20 and the railing section 30 can be realized, the utilization efficiency of the protection structure is also improved to the maximum extent, and the protection device can be quickly transferred to the next construction section for installation and use.

The base 10 and the top surface of the foundation pit can be fixed in a slurry-setting mode, namely cement mortar is laid on the bottom surface of the base 10, so that the base 10 is fixed on the top surface of the foundation pit, and the base is convenient to detach when detached. In order to better improve the fixing effect between the base 10 and the soil layer on the top surface of the foundation pit, the bottom surface of the base 10 can be subjected to roughening treatment, so that the connection area of the base 10 and the top surface of the foundation pit is further increased. The water baffle 20 may be made of various materials, for example, the water baffle 20 may be a PVC water baffle 20, a glass fiber reinforced plastic water baffle 20, an aluminum alloy water baffle 20, a stainless steel water baffle 20, or the like.

In some embodiments, the rail section 30 includes a rail 31 and two posts 32, the rail 31 is disposed between the two posts 32 and connected to the posts 32, the lower end of the post 32 has a first connection lug plate 33, the first connection lug plate 33 has a first connection hole, the first connection member 40 includes a connection screw 41 and a nut 42, and one end of the connection screw 41 passes through the pre-buried hole 11 and the first connection hole and then is fastened to the first connection lug plate 33 by the nut 42, so that the rail section 30 is detachably connected to the base 10. Because the lower extreme of stand 32 is provided with first connection otic placode 33, through adopting connecting bolt's mode with first connecting piece 40, the lower extreme of connecting screw 41 is spacing in the lower extreme of base 10, and after the upper end of connecting screw 41 passed pre-buried hole 11 and the first connecting hole of first connection otic placode 33, screw is fixed in on the first connection otic placode 33 through nut 42, realizes the spiro union of base 10 and railing section 30 and fixes, simple to operate is swift, has improved railing 31's installation effectiveness greatly.

In some embodiments, referring to fig. 4 and 5, along the height direction of the water baffle 20, the water baffle 20 includes a water baffle segment 21 and a plugging segment, the plugging segment is located at the lower end of the water baffle segment 21, the plugging segment includes a plurality of plugging portions 22, the plugging portions 22 are distributed at intervals along the length direction of the water baffle 20, the lower end of the plugging portion 22 is tapered, and the plugging portions 22 are used for enabling the water baffle 20 to be plugged into the soil body 50. Through dividing into manger plate section 21 and grafting section manger plate 20, including a plurality of grafting portion 22 in the grafting section, a plurality of grafting portion 22 insert in soil body 50, the bottom portion of manger plate 20 can insert in soil body 50 through grafting portion 22 like this, realizes that the multiposition of manger plate 20 is fixed, lets the manger plate 20 can be more firm fix in soil body 50 for the manger plate bank that constitutes between manger plate 20 and the base 10 is more firm. And the plugging part 22 is arranged to be conical, so that the water baffle 20 is more conveniently inserted into the soil body 50, and the water baffle 20 is more labor-saving to install and fix.

When the water deflector 20 is inserted into the soil body 50 by the insertion portion 22, the insertion portion 22 is completely located in the soil body 50, and at least a portion of the water deflector 20 in the height direction is located in the soil body 50.

In some embodiments, the water baffle 20 further includes a connection section perpendicular to the water baffle 21 and extending to a side close to the base 10, where the connection section includes a plurality of connection portions 23, and the plurality of connection portions 23 are distributed at intervals along the length direction of the water baffle 20 and located at the bottom of the base 10, and the connection portions 23 are provided with yielding holes for the connection screw 41 to pass through, and the diameter of the yielding holes is smaller than the head outer diameter of the connection screw 41. In order to better improve the integrity between the water baffle 20 and the base 10, the water baffle 20 and the base 10 are integrated by arranging the connecting part 23 on the water baffle 20, the connecting part 23 is provided with a yielding hole, when the connecting screw 41 passes through the pre-buried hole 11, the connecting screw 41 passes through the yielding hole of the connecting part 23 first, and then passes through the pre-buried hole 11 and then is connected with the railing section 30, so that the water baffle 20 and the base 10 are integrated. In this way, force can be transferred between the water baffle 20 and the base 10, and the integrity between the water baffle 20 and the base 10 is further improved. The breakwater 20 is inserted into the soil body 50, when the external force received by the base 10 is large, the breakwater 20 can provide a limiting effect for the base 10 to prevent the base 10 from shifting, and when the breakwater 20 receives external resistance, the base 10 can still provide a blocking force for the breakwater 20, so that the stability of the breakwater 20 is higher, and the breakwater 20 and the base are stressed cooperatively. And when the protective structure is dismantled subsequently, the base 10, the water baffle 20 and the railing section 30 can be disassembled quickly, so that the waste of materials is avoided, and the transfer is convenient and quick.

The bottom of the base 10 may be correspondingly provided with a receiving groove 12, where the receiving groove 12 is used for the connection portion 23 to be embedded, and the receiving groove 12 is distributed along the width direction of the base 10 and is communicated with the embedded hole 11. The receiving groove 12 may be located at a middle position of the base 10 or may be located at a bottom of the base 10. In the present embodiment, the receiving groove 12 is provided at the bottom of the base 10.

In addition, the connection section is disposed on the water blocking section 21, that is, the connection section is located above the junction position of the plugging section and the water blocking section 21, and is at least 5cm away from the junction position of the plugging section and the water blocking section 21. The number of the pre-buried holes 11 may be one, two or more. The number of the pre-buried holes 11 can be determined according to practical situations.

Alternatively, the number of the pre-buried holes 11 is set to two on the same base 10. Thus, the two first connecting pieces 40 realize the connection between the base 10 and the railing segment 30, and the two-point connection mode has higher stability.

In some embodiments, referring to fig. 6, along the length direction of the water baffle 20, two sides of the water baffle 20 are respectively provided with a first matching portion 24 and a second matching portion 25, the first matching portion 24 and the second matching portion 25 are used for overlapping connection of two adjacent water baffles 20, along the thickness direction of the water baffle 20, the sum of the thicknesses of the first matching portion 24 and the second matching portion 25 is equal to the thickness of the water baffle 20, two sides of the first matching portion 24 and the second matching portion 25 facing away from each other are respectively flush with two sides of the water baffle 20 in the thickness direction, and one side of the first matching portion 24 and one side of the second matching portion 25 facing away from each other are respectively provided with a protrusion 27 and a groove 26, when overlapping between the two adjacent water baffles 20, the groove 26 is used for embedding the protrusion 27. Through be provided with first cooperation portion 24 and second cooperation portion 25 respectively in the breakwater 20 both sides, the thickness sum of first cooperation portion 24 and second cooperation portion 25 equals the thickness of breakwater 20, like this when overlap joint between two adjacent breakwater 20, utilize the overlap joint of first cooperation portion 24 on the breakwater 20 on the second cooperation portion 25 of another adjacent breakwater 20 for breakwater 20 is in the coplanar in the both sides in thickness direction, avoids appearing leaking the phenomenon. In order to further improve the waterproof performance of the junction position of the water baffles 20, the protrusions 27 and the grooves 26 are respectively arranged on the opposite sides of the first matching portion 24 and the second matching portion 25, so that the protrusions 27 and the grooves 26 can play a role in blocking water from passing, and the sealing performance between two adjacent water baffles 20 is further improved.

Wherein, the protrusion 27 may be an arc-shaped protrusion 27, and the shape of the groove 26 matches the shape of the protrusion 27. Of course, the projections 27 may also be wavy projections 27.

In some embodiments, a third connecting member 43 is provided between the first mating portion 24 and the second mating portion 25, the third connecting member 43 being configured to detachably connect between two adjacent water deflectors 20. By providing the third connecting piece 43 between the first fitting portion 24 and the second fitting portion 25, the third connecting piece 43 can detachably connect between the adjacent two water deflectors 20, the integrity between the water deflectors 20 is improved, and the third connecting piece 43 can enable the protrusions 27 in the first fitting portion 24 and the second fitting portion 25 to be combined with the grooves 26 more tightly, so that the tightness between the adjacent two water deflectors 20 is ensured.

The third connecting piece 43 may be a connecting screw, and the connecting bolt enables the two water baffles 20 to be screwed together.

In some embodiments, the two sides of the rail segment 30 in the length direction are respectively provided with a second connection lug plate 34, and the second connection lug plates 34 are provided with second connection holes, and second connection pieces are arranged between the second connection holes of two adjacent rail segments 30 in a penetrating manner so as to connect the two adjacent rail segments 30. Through being provided with the second respectively at the both sides of the length direction of railing section 30 and connecting the otic placode 34, be provided with the second connecting hole on the second connecting the otic placode 34, only need adopt the second connecting piece to pass the second connecting hole of two railing sections 30 like this, just can realize the concatenation of two adjacent railing sections 30, convenient operation is swift to also very convenient when follow-up dismantlement.

In some embodiments, a plurality of hanging parts 35 are convexly arranged on one side, facing the foundation pit, of the upright post 32, and the hanging parts 35 are used for hanging the upper ends of the protection nets on the outer side surface of the foundation pit. Through being provided with the hitching part 35 on stand 32, the upper end of the protection network of hitching part 35 can supply the foundation ditch lateral surface to hang and establish, and the upside of the dense mesh net in foundation ditch outside like this can hang on stand 32, avoids dense mesh net to be blown off in the foundation ditch under the strong wind effect and lose the guard action.

The embodiment of the application also provides a method for the foundation pit construction protection device, which comprises the following steps: positioning and paying off the periphery of the outer side of the foundation pit to obtain a plurality of installation points for arranging the fixing components, arranging the base 10 and the water baffle 20 at the installation points, wherein the center-to-center distance between two adjacent bases 10 is the length of one railing section 30; the railing assemblies are disposed on two adjacent bases 10 and the first connecting piece 40 is passed through to detachably connect the railing assemblies with the bases 10.

Specifically, the base 10 in the fixing assembly is prefabricated in a factory, embedded parts are embedded in the base 10, embedded holes 11 and accommodating grooves 12 are formed in the base 10, then the base 10, the railing section 30 and the water baffle 20 are transported to a construction site, paying-off is performed on a foundation pit in a positioning mode, and installation points of the water baffle 20 and the base 10 are obtained according to the distance. Then arrange the breakwater 20 according to the mounted point, before arranging the breakwater 20, let connecting screw 41 pass the hole of stepping down in the linkage segment in breakwater 20 earlier, then utilize grafting portion 22 to insert breakwater 20 in soil body 50, after breakwater 20 inserts in place, then install base 10, it has cement mortar to paint in the bottom of base 10, the position of the portion of painting of cement mortar should just stagger with the linkage segment, then place base 10 in the mounted point, the breakwater 20 is laminated with the side of base 10 deviating from in foundation ditch one side mutually, the holding tank 12 of base 10 cooperates with the linkage segment, the other end of connecting screw 41 passes pre-buried hole 11 and stretches out outside the top of base 10, then install railing section 30, the first link 33 of the bottom of every railing section 30 passes through nut 42 and realizes the spiro union fixedly with first connecting bolt. Then, the base 10 and the water baffle 20 are sequentially installed according to the method, when the two adjacent water baffles 20 are spliced, the first matching parts 24 and the second matching parts 25 of the two adjacent water baffles 20 are overlapped, under the action of the grooves 26 and the protrusions 27 in the first matching parts 24 and the second matching parts 25, the sealing effect between the two water baffles 20 is better, and then the reinforcement connection of the two adjacent water baffles 20 is realized by adopting the third connecting piece 43. Then repeating the above operation on the plurality of railing segments 30 and the base 10, and installing and fixing the railing segments 30 with the corresponding base 10 segment by segment; and then assembling the railing segments 30 by adopting a second connecting piece, and connecting the railing segments 30 segment by segment to form an integral railing assembly.

It should be noted that the features of the embodiments of the present application may be combined with each other without conflict.

The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (10)

1. A foundation pit construction protection device, comprising:

the fixing assembly is arranged at the top of the foundation pit and comprises a plurality of bases which are distributed at intervals along the extending direction of the foundation pit;

the water retaining assemblies are arranged on one sides of the bases, which are away from the foundation pit, and form a water retaining bank together with the fixing assemblies; the water baffle assembly comprises a plurality of water baffles, and the water baffles are used for being matched with two adjacent bases;

the railing assembly is arranged on the fixing assembly and comprises a plurality of railing segments, each railing segment is arranged on two adjacent bases, and the railing assembly is used for providing protection for the foundation pit;

the base is provided with a pre-buried hole for the first connecting piece to penetrate through in the thickness direction of the base, and the first connecting piece is used for enabling the railing section to be connected with the base in a detachable mode.

2. The foundation pit construction protection device according to claim 1, wherein the railing section comprises a railing and two upright posts, the railing is arranged between the two upright posts and connected with the upright posts, a first connecting lug plate is arranged at the lower end of each upright post, a first connecting hole is formed in the first connecting lug plate, the first connecting piece comprises a connecting screw rod and a screw cap, and one end of the connecting screw rod passes through the pre-buried hole and the first connecting hole and then is fastened to the first connecting lug plate through the screw cap, so that the railing section is detachably connected with the base.

3. The foundation pit construction protecting device according to claim 2, wherein the water guard comprises a water guard section and a plugging section along the height direction of the water guard, the plugging section is located at the lower end of the water guard section, the plugging section comprises a plurality of plugging portions, the plugging portions are distributed at intervals along the length direction of the water guard, the lower end of the plugging portion is conical, and the plugging portions are used for enabling the water guard to be plugged into soil.

4. The foundation pit construction protection device according to claim 3, wherein the water baffle further comprises a connecting section, the connecting section is perpendicular to the water baffle and extends to a side close to the base, the connecting section comprises a plurality of connecting portions, the connecting portions are distributed at intervals along the length direction of the water baffle and are located at the bottom of the base, the connecting portions are provided with yielding holes, the yielding holes are used for allowing the connecting screw to pass through, and the aperture of the yielding holes is smaller than the outer diameter of the head of the connecting screw.

5. The foundation pit construction protecting device according to claim 4, wherein the number of the pre-buried holes is two on the same base.

6. The foundation pit construction protecting device according to claim 3, wherein a first mating portion and a second mating portion are provided on both sides of the water guard respectively along a length direction of the water guard, the first mating portion and the second mating portion are used for lap joint of two adjacent water guards, a sum of thicknesses of the first mating portion and the second mating portion is equal to a thickness of the water guard along a thickness direction of the water guard, both sides of the first mating portion and the second mating portion facing away from each other are flush with both sides of the thickness direction of the water guard respectively, and protrusions and grooves are provided on opposite sides of the first mating portion and the second mating portion respectively, and the grooves are used for the protrusions to be embedded when lap joint between two adjacent water guards.

7. The foundation pit construction protector of claim 6, wherein a third connecting member is provided between said first mating portion and said second mating portion, said third connecting member being adapted to detachably connect between adjacent two of said water deflectors.

8. The foundation pit construction protection device according to claim 1, wherein second connecting lug plates are respectively arranged on two sides of the railing segment in the length direction, second connecting holes are formed in the second connecting lug plates, and second connecting pieces are arranged between the second connecting holes of two adjacent railing segments in a penetrating manner so as to connect the two adjacent railing segments.

9. The foundation pit construction protecting device according to claim 2, wherein a plurality of hanging parts are arranged on the upright post in a protruding manner towards one side of the foundation pit, and the hanging parts are used for hanging the upper ends of the protection nets on the outer side surface of the foundation pit.

10. A method of foundation pit construction protection according to any one of claims 1-9, comprising the steps of: positioning and paying off the periphery of the outer side of a foundation pit to obtain a plurality of installation points for arranging the fixing assembly, arranging the base and the water baffle at the installation points, wherein the center distance between two adjacent bases is the length of one railing section; and arranging the railing assemblies on two adjacent bases, and allowing the first connecting piece to pass through so as to detachably connect the railing assemblies with the bases.