CN221001103U - Foundation pit construction watertight fittings - Google Patents

Abstract

The utility model discloses a foundation pit construction waterproof device, which belongs to the technical field of foundation pit construction waterproof, and comprises a protection vertical plate and a positioning plate fixed on the side wall of the protection vertical plate, wherein the protection vertical plate is fixed on the inner wall of a foundation pit, the positioning plate is attached to the edge ground at the upper end of the foundation pit, the positioning plate and the protection vertical plate wrap the edge of the foundation pit, the protection vertical plate extends out of the upper end part of the foundation pit to form a waterproof baffle, connecting plates are respectively arranged on two sides of the edge of the foundation pit along the waterproof baffle, and two adjacent connecting plates are mutually buckled to connect the waterproof baffle; the protection riser laminating forms the backplate in foundation ditch inner wall part, and inner wall assembly waterproof layer carries out waterproof support to the foundation ditch inner wall, and waterproof baffle connects gradually at the edge of foundation ditch and forms waterproof enclosing the fender, and separation ground water gets into inside the foundation ditch, and the backplate is arranged in proper order at the inner wall, forms the waterproof support mechanism of foundation ditch inner wall, conveniently dismantles and carries out reuse, through fixed intubate grouting to the foundation ditch inner wall, cooperation foundation ditch emergency support, the emergency situation of reply.

Description

Foundation pit construction watertight fittings

Technical Field

The utility model belongs to the technical field of foundation pit construction waterproofing, and particularly relates to a foundation pit construction waterproofing device.

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. Before excavation, the excavation scheme is determined according to geological hydrologic data and the conditions of buildings nearby the site, and waterproof and drainage works are performed. The method of releasing the slope can be used for stabilizing the soil slope by the person with non-deep excavation, and the gradient of the soil slope is determined according to relevant construction engineering regulations. The method can be used for supporting foundation pit walls, spraying concrete to protect the walls, and the like when the excavation is deeper and the buildings are adjacent.

In the process of excavation of the foundation pit, waterproof operation is needed, waterproof surrounding blocks are installed at edges to be excavated, so that accumulated water on the ground and rainwater are prevented from entering the foundation pit, water is prevented from flowing into the foundation pit, the pressure of the inner wall of the foundation pit is increased, the foundation pit collapses and the like; the existing waterproof device is installed at the edge of a foundation pit, a steel structure support is used for being combined with a steel plate, and when the ground ponding amount is large or the rainfall amount is large, especially, the water flow carries sediment, broken stone and other impact conditions, and the stability of the enclosure structure is poor.

Disclosure of utility model

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the foundation pit construction waterproof device, wherein the waterproof devices matched with each other form a waterproof enclosure which is stably connected at the upper end of the edge of the foundation pit along the edge of the foundation pit, so that water accumulation on the ground and rainwater are prevented from flowing into the foundation pit, and a supporting structure is formed on the side wall of the foundation pit.

The technical scheme adopted by the utility model is as follows: the utility model provides a foundation ditch construction watertight fittings, includes protection riser and fixes the locating plate at the protection riser lateral wall, and the protection riser is fixed in the inner wall of foundation ditch, and the locating plate laminating is on foundation ditch upper end edge ground, and locating plate and protection riser wrap up the edge of foundation ditch, and the protection riser stretches out foundation ditch upper end portion and forms waterproof baffle, waterproof baffle sets up the connecting plate along the both sides at foundation ditch edge respectively, and two adjacent connecting plates lock each other, connect waterproof baffle; the protection riser laminating forms the backplate in foundation ditch inner wall part, and backplate inner wall assembly waterproof layer carries out waterproof support to the foundation ditch inner wall, and waterproof baffle connects gradually at the edge of foundation ditch and forms waterproof enclosing the fender, and the separation ground water gets into inside the foundation ditch, and the backplate is arranged in proper order at the inner wall, forms the waterproof support mechanism of foundation ditch inner wall.

Further, fixed intubate of inboard fixed assembly of backplate, fixed intubate stretches out the backplate along the thickness direction of backplate at the outer end of inserting the foundation ditch inner wall, forms the opening when emergent slip casting, connects the slip casting pipe to fixed intubate inside slip casting and send to the foundation ditch lateral wall inside.

Further, a flexible baffle column is arranged on the upper end face of the connecting part of the positioning plate and the protection vertical plate, and corresponding force unloading buffering operation is performed.

Further, one end of the locating plate, which is connected with the protective vertical plate, is provided with a transition plate, the transition plate is fixedly connected with the protective vertical plate, the transition plate is provided with a preset elastic deformation force, and adaptive deformation is carried out when two adjacent protective vertical plates and the locating plate are installed in a matched mode.

Further, the locating plates are respectively provided with a connecting piece and a clamping groove matched with the connecting piece along two sides of the edge of the foundation pit, and corresponding clamping matching is carried out between the adjacent locating plates.

Further, connecting plates positioned on two sides of the waterproof baffle plates are respectively provided with a positioning hole and positioning columns matched with the positioning holes, the positioning columns are inserted into the positioning holes between the adjacent waterproof baffle plates, the adjacent connecting plates are buckled, and the protective vertical plates are connected.

Further, the locating plate is provided with a through hole, and the locating plate is fixed on the ground by matching with a corresponding fixing piece.

Further, the waterproof layer of the support plate is attached to the inner side of the pit wall of the foundation pit to form a friction layer, and is attached to the pit wall to perform corresponding limiting operation.

Further, the side walls of the side opposite to the attaching pit wall of the protection vertical plate are provided with clamping pieces in an up-down array arrangement mode, and corresponding clamping and positioning operation is carried out.

Furthermore, the fixed insertion pipe is inserted into one end peripheral wall of the side wall of the foundation pit and is provided with plugs, the initial ends of the plugs along the insertion direction are gradually thickened, and the plugs are distributed in a circumferential array of the fixed insertion pipe.

After the structure is adopted, the utility model has the following beneficial effects: the utility model provides a foundation pit construction waterproof device,

(1) Adjacent positioning plates are mutually clamped, adjacent waterproof baffles are mutually buckled and connected, the positioning plates are positioned by utilizing fixing pieces, the support plates are inserted into the inner wall for positioning through fixing insertion tubes, multipoint positioning is carried out in different directions on different planes, stable waterproof enclosing baffles are formed at the edge of a foundation pit, and a stable supporting structure is formed on the side wall of the foundation pit; in addition, after the construction is completed, the construction is convenient to disassemble and recycle;

(2) Supporting construction at foundation ditch inner wall formation, fixed intubate slip casting to the foundation ditch inner wall of accessible still, cooperation foundation ditch emergency support, reply emergency.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

Fig. 1 is a schematic diagram of the overall structure of a foundation pit construction waterproof device according to the present utility model;

Fig. 2 is a half cross-sectional view of a foundation pit construction waterproof device according to the present utility model;

Fig. 3 is a schematic view of another overall structure of a foundation pit construction waterproof device according to the present utility model;

Fig. 4 is a schematic view of a waterproof enclosure formed above the ground by the foundation pit construction waterproof device according to the present utility model;

fig. 5 is a schematic diagram of a foundation pit construction waterproof device according to the present utility model, in which a supporting structure is formed on a side wall of a foundation pit.

In the drawings: 1. the waterproof board comprises a protection vertical board, 2, a positioning board, 3, a waterproof baffle, 4, a connecting board, 5, a support board, 6, a waterproof layer, 7, a waterproof enclosure, 8, a fixed insertion pipe, 9, a flexible baffle column, 10, a transition board, 11, a connecting piece, 12, a clamping groove, 13, a positioning hole, 14, a positioning column, 15, a through hole, 16, a friction layer, 17, a clamping piece, 18 and a plug.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; 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.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Example 1

In the construction process of a foundation pit, in addition to water in the foundation pit, ground water outside the foundation pit flows into the foundation pit, so that the pressure of the inner wall of the foundation pit is caused, the foundation pit wall is easy to collapse, the construction progress is influenced, and the requirement for supporting and reinforcing the foundation pit wall is higher, so that once the foundation pit is excavated, protective measures are required to be taken in the construction process so as to prevent the ground water from flowing into the foundation pit, as shown in fig. 1-5, a foundation pit construction waterproof device comprises a positioning plate 2 and a protective riser 1, wherein the positioning plate 2 is arranged on one side of the protective riser 1 and divides the protective riser 1 into a waterproof baffle 3 part on the ground and a supporting plate 5 part on the ground, the positioning plate 2 is used for fixing the protective riser 1 at the edge of the foundation pit, the waterproof baffle 3 is positioned above the edge of the foundation pit, and preventing ground rainwater and the like from entering the foundation pit, and the supporting plate 5 part is attached to the pit wall of the foundation pit, so as to support the pit wall; the supporting plates 5 which are sequentially arranged form a stable supporting structure on the inner wall of the foundation pit, and support the inner pit wall of the foundation pit;

the waterproof baffles 3 are provided with connecting plates 4 along two sides of the edge of the foundation pit, one connecting plate 4 is provided with a positioning hole 13, the other connecting plate 4 is provided with a positioning column 14, the positioning column 14 can extend into the positioning hole 13, so that two adjacent waterproof baffles 3 are connected, and the waterproof baffles 3 are connected and are enclosed at the edge of the foundation pit to form a waterproof enclosing baffle 7; among them, it is preferable that the connecting plate 4 be made of rubber, and have better adsorption force and are not easy to be misplaced when rainwater is present.

It should be noted that, at the corner of the foundation pit, as the connecting plate 4 is made of a material with a certain elasticity, the connecting plate 4 can be bent, and the connecting plates are mutually buckled at the corner, so that the stable connection at the corner is ensured.

In order to ensure the stability of the device integral connection together, connecting pieces 11 and clamping grooves matched with the connecting pieces 11 are respectively arranged between the positioning plates 2 along the two sides of the edge of a foundation pit, the connecting pieces 11 and the clamping grooves are matched between the adjacent positioning plates 2, so that the positioning plates 2 are sequentially spliced in the horizontal direction, the waterproof baffle plates 3 are connected and positioned and spliced between the positioning plates 2, the device integral connection is more stable, the formed waterproof enclosure 7 is more stable at the edge of the foundation pit and can be more suitable for the impact of rainwater, and after construction is completed, the waterproof enclosure is convenient to detach and can be repeatedly utilized.

When the locating plate 2 is fixed on the ground, a through hole 15 can be formed in the locating plate 2, fixing pieces such as fixing piles and columns are inserted into the ground through the through hole 15 to locate the locating plate 2, fixing pieces such as fixing nails can be assembled at the bottom of the locating plate 2 and directly inserted into the ground to fix the position of the locating plate 2, and the device is integrally connected with the locating plate, so that the waterproof fence 7 is stable in running at the edge of a foundation pit.

Example 2

The positioning plate 2 and the fixed side plates designed in the embodiment 1 are utilized to form a stable waterproof enclosure 7 at the edge of the foundation pit, on the basis, the support to the wall of the foundation pit can be enhanced, the collapse of the foundation pit caused by excessive water in the foundation pit and the like can be dealt with, specifically, the fixed insertion pipe 8 is assembled on one side of the foundation pit wall by attaching the support plate 5, one end of the fixed insertion pipe 8, which is positioned outside the pit wall, extends out of the support plate 5 along the thickness direction of the support plate 5 to form a grouting opening, the sealing head and the like can be utilized to seal at ordinary times, an emergency opening can be opened during emergency, grouting operation is carried out through the emergency opening, and the supporting effect of the side wall of the foundation pit is enhanced;

the fixed insertion pipe 8 is assembled at the lower part of the side wall of the foundation pit wall, which is attached to the support plate 5, the waterproof layer 6 is arranged at the upper part of the side wall of the foundation pit wall, the friction layer 16 is arranged at the side surface of the waterproof layer 6, which is attached to the foundation pit wall, the friction layer 16 can be formed by short rods or friction protrusions which are arranged on one side of the waterproof layer 6, which is attached to the pit wall, and the friction layer 16 is inserted into the pit wall or embedded into the pit wall, so that the friction force during contact is increased, the friction surface is attached to the pit wall, the waterproof effect is ensured, and the left-right shaking and the like of the device when external force is applied are reduced;

In this embodiment, preferably, at the front end of the fixed insertion tube 8 in the direction of inserting the pit wall, plugs 18 may be provided, where the plugs 18 are fixed on the peripheral wall of the front end of the insertion tube, and are arranged in an annular array, and gradually thickened along the initial end in the insertion direction, so that the fixed insertion tube 8 is inserted into the pit wall of the pit and is not easy to be easily retracted by the resistance of the pit wall;

In this embodiment, it is preferable that, on the outer side of the protection riser 1, a U-shaped clamping piece 17 is assembled, when the water stored in the foundation pit is too much, a drainage device connected with the foundation pit is generally needed or a water pump is directly connected to drain water, the clamping piece 17 can limit the pipeline connected with the water pump, the pipeline is attached to the outer side of the protection side plate and guided to the inner lower side of the foundation pit, a plurality of groups of pipelines are limited, the pipeline is prevented from shaking, even winding is avoided, and water in the foundation pit is pumped at a fixed point (within a certain range).

Example 3

On the basis of embodiment 1, the waterproof baffles 3 are connected with each other, the edges of the upper ends of the foundation pit are enclosed, rainwater is blocked from flowing into the foundation pit, a large amount of sediment or stones can be carried when the rainwater flows, the enclosing is directly impacted along with the water flow, the stability of the waterproof baffles 3 enclosed at the edges of the foundation pit is affected, on the basis of the stability, a plurality of rows of flexible baffle columns 9 are assembled on one end face of the positioning plate 2 connected with the waterproof baffles 3, the flexible baffle columns 9 can be made of rubber materials, and the front sides of the waterproof baffles 3 are used for guiding the water flow and blocking the sediment, the stones and the like from directly impacting the waterproof baffles 3;

Example 4

In the actual installation, the ground at foundation ditch upper end edge probably is uneven, can form transition board 10 between connecting plate 4 and protection riser 1, transition board 10 thickness is less than locating plate 2, and possess certain compliance, can laminate on uneven ground, possess certain deformability, on uneven ground, in the scope of appropriate deformation, make the mutual joint of adjacent locating plate 2 more convenient, in addition, also can carry out adaptive deformation, make the inseparabler of passing through locating hole 13 and reference column 14 lock between the connecting plate 4, guarantee uneven ground, watertight fittings connects stability, the water-proof effects is better.

When the waterproof device is specifically used, the positioning plate 2 is attached to the ground, the protective vertical plate 1 moves towards the pit wall in the foundation pit, the fixed insertion pipe 8 is inserted into the pit wall, the protective vertical plate 1 is attached to the pit wall of the foundation pit, at the moment, the positioning plate 2 is attached to the ground, the upper end edge of the foundation pit is wrapped below the joint of the positioning plate 2 and the protective vertical plate 1, after the second waterproof device is installed according to the size of the connecting piece 11, the pit wall is inserted through the fixed insertion pipe 8 after the position is determined, and in the process that the fixed insertion pipe 8 enters the pit wall, the connecting piece 11 is inserted into the clamping groove from one end of the clamping groove of the adjacent waterproof device along the moving direction of the fixed insertion pipe 8, and the two waterproof devices are clamped at the side edges of the positioning plate 2; at this time, on the ground, the connecting plates 4 between two adjacent waterproof devices are inserted into the positioning holes 13, the two adjacent connecting plates 4 are buckled together, the two adjacent waterproof devices are positioned at multiple points in different directions, and the stable combination is positioned on the pit wall of the foundation pit; after two adjacent waterproof devices are matched, the positioning plate 2 is stably fixed on the ground by utilizing the fixing nails to penetrate through the through holes 15 on the positioning plate 2, so that the fixation of the waterproof devices is enhanced;

According to the steps, the waterproof devices are sequentially combined, matched and connected along the edge of the upper end of the foundation pit, a waterproof surrounding barrier is formed at the edge of the foundation pit, a supporting structure is formed on the inner wall of the foundation pit (at the corner of the edge of the foundation pit, the connecting plate can be bent at 90 degrees and buckled with each other through the positioning column and the positioning hole, and the connecting position can be stably connected), so that rainwater on the ground is prevented from entering the foundation pit, and when the rainwater is impacted, the flexible blocking column 9 at the front side of the positioning plate 2 can carry out force-unloading protection before the stone is carried by water flow to impact the protection vertical plate 1 when the stone is impacted in heavy rain or even in heavy rain, and has the effect of improving the stability of the surrounding barrier of the waterproof device to a certain extent; in addition, the inner side of the supporting structure is provided with a waterproof layer 6, so that the waterproof supporting of the inner side wall of the foundation pit is reinforced; when emergency treatment is needed, the fixed insertion pipe 8 can be connected with a grouting pipe, grouting is conducted on the inner wall of the foundation pit, and the supporting effect is improved to conduct emergency supporting.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims (10)

1. The waterproof device for foundation pit construction is characterized by comprising a protective vertical plate and a positioning plate fixed on the side wall of the protective vertical plate, wherein the protective vertical plate is fixed on the inner wall of a foundation pit, the positioning plate is attached to the edge ground at the upper end of the foundation pit, the positioning plate and the protective vertical plate wrap the edge of the foundation pit, the protective vertical plate extends out of the upper end part of the foundation pit to form a waterproof baffle, connecting plates are respectively arranged on two sides of the edge of the foundation pit along the waterproof baffle, and two adjacent connecting plates are mutually buckled to connect the waterproof baffle; the protection riser laminating forms the backplate in foundation ditch inner wall part, and backplate inner wall assembly waterproof layer carries out waterproof support to the foundation ditch inner wall, and waterproof baffle connects gradually at the edge of foundation ditch and forms waterproof enclosing the fender, and the separation ground water gets into inside the foundation ditch, and the backplate is arranged in proper order at the inner wall, forms the waterproof support mechanism of foundation ditch inner wall.

2. The foundation pit construction waterproof device according to claim 1, wherein: the fixed intubate of inboard fixed assembly of backplate, fixed intubate stretches out the backplate along the thickness direction of backplate at the outer end of inserting the foundation ditch inner wall, forms the opening when emergent slip casting, connects the slip casting pipe to fixed intubate inside slip casting and send to the foundation ditch lateral wall inside.

3. The foundation pit construction waterproof device according to claim 1, wherein: and a flexible baffle column is arranged on the upper end surface of the connecting part of the positioning plate and the protection vertical plate, so that corresponding force unloading buffering operation is performed.

4. The foundation pit construction waterproof device according to claim 1, wherein: the locating plate is connected with the protection riser one end and sets up the cab apron, and cab apron and protection riser fixed connection, the cab apron is set up to possess predetermined elasticity deformation power, carries out adaptive deformation when two adjacent protection risers and locating plate match the installation.

5. The foundation pit construction waterproof device according to claim 1, wherein: the locating plates are respectively provided with a connecting piece and clamping grooves matched with the connecting piece along two sides of the edge of the foundation pit, and corresponding clamping matching is carried out between the adjacent locating plates.

6. The foundation pit construction waterproof device according to claim 1, wherein: the connecting plates positioned on two sides of the waterproof baffle are respectively provided with a positioning hole and positioning columns matched with the positioning holes, the positioning columns are inserted into the positioning holes between the adjacent waterproof baffles, and the adjacent connecting plates are buckled to be connected with the protection vertical plates.

7. The foundation pit construction waterproof device according to claim 1, wherein: the locating plate is provided with a through hole, and the locating plate is fixed on the ground by matching with corresponding fixing pieces.

8. The foundation pit construction waterproof device according to claim 1, wherein: the waterproof layer of support backplate laminating forms the friction layer in the inboard of foundation ditch pit wall, laminating in the pit wall, carries out corresponding spacing operation.

9. The foundation pit construction waterproof device according to claim 1, wherein: the side walls of the side opposite to the attaching pit wall are provided with clamping pieces in an up-down array arrangement mode, and corresponding clamping and positioning operation is conducted.

10. The foundation pit construction waterproof device according to claim 2, wherein: the fixed intubate inserts the one end perisporium assembly plug of foundation ditch lateral wall, the plug is thickened gradually along the initial end of inserting the direction, arranges at the perisporium annular array of fixed intubate.