Drainage device for foundation pit slope

Abstract

The utility model discloses a drainage device for a foundation pit slope, which relates to the field of foundation pit slope protection and comprises a slope top drainage channel, a plurality of metal plates are embedded on two sides of the slope top drainage channel, and a plurality of prefabricated drainage ditches are arranged in the slope top drainage channel in an end-to-end connection manner; magnetic type connecting mechanisms are arranged between the two sides of the prefabricated drainage ditch and the metal plates. A reinforcing assembly is arranged between every two adjacent prefabricated drainage ditches. According to the prefabricated drainage ditch, scouring erosion of rainwater to a soil body between a concrete protection layer of a foundation pit slope and a drainage channel at the top of the slope can be reduced, connection and disassembly of the prefabricated drainage ditch can be rapidly achieved in a magnetic attraction connection mode, and compared with a traditional limiting plate connection mode, the efficiency of disassembly and recovery of the prefabricated drainage ditch is improved; and the construction time and the labor cost are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of foundation pit slope, specifically, relate to a drainage device for foundation pit slope. BACKGROUND

[0002] The foundation pit slope refers to the temporary or permanent earthwork slope excavated in civil engineering or construction engineering for the construction of underground structures (such as basements, subways, underground pipelines, etc.). Specifically, the foundation pit refers to the excavated pit part, and the slope is the side wall of the foundation pit, which is usually in the form of a slope to prevent earth collapse.

[0003] The drainage device for the foundation pit slope is installed on the top of the slope to reduce the erosion of rainwater on the soil between the concrete protection layer and the drainage ditch of the foundation pit slope. For example, Chinese patent 202322251122.5 discloses a foundation pit slope support drainage device, which includes a prefabricated drainage ditch and a drainage pipe. The prefabricated drainage ditch is embedded in the concrete protection layer of the outer edge of the slope top, and the prefabricated drainage ditch is detachably connected to the concrete protection layer through a limiting plate. However, the above-mentioned foundation pit slope support drainage device still has the following disadvantages: the way of detachably connecting the prefabricated drainage ditch to the concrete protection layer through the limiting plate makes the efficiency of removing the prefabricated drainage ditch low, which is not conducive to the recycling of the prefabricated drainage ditch. SUMMARY

[0004] In view of the problems in the related art, the utility model provides a drainage device for a foundation pit slope to overcome the above-mentioned technical problems existing in the prior art.

[0005] Therefore, the utility model adopts the following specific technical solutions:

[0006] A drainage device for a foundation pit slope, comprising a slope top drainage channel, a plurality of metal plates embedded on both sides of the slope top drainage channel, and a plurality of prefabricated drainage ditches arranged in series and connected at the first position in the slope top drainage channel; a magnetic type connecting mechanism is provided between the two sides of the prefabricated drainage ditch and the metal plate; a reinforcing assembly is provided between the two adjacent prefabricated drainage ditches.

[0007] Further, in order to provide quick magnetic attraction connection for the prefabricated drainage ditch, the magnetic type connecting mechanism comprises a magnet provided at the bottom of both sides of the prefabricated drainage ditch and located at the top of the metal plate, a placing groove is provided in the middle of the magnet, a connecting plate is provided in the placing groove, a connecting shaft is provided at the top end of the connecting plate, and the top end of the connecting shaft penetrates the magnet and is connected with the prefabricated drainage ditch.

[0008] Further, in order to enhance the connection strength and overall stability between adjacent prefabricated drainage ditches, the reinforcing assembly includes a groove formed between the two adjacent prefabricated drainage ditches, and a connecting block with the same shape as the groove is arranged in the groove; the connecting block is composed of two trapezoidal blocks, and the width of the trapezoidal blocks gradually increases in the direction close to the middle position of the prefabricated drainage ditch.

[0009] Further, in order to prevent large particles from entering the prefabricated drainage ditch, a mounting groove is arranged at the top end of the prefabricated drainage ditch, and a filter plate is arranged in the mounting groove; the filter plate is in clearance fit with the mounting groove, and handles are arranged at both ends of the filter plate.

[0010] The beneficial effects of the utility model are:

[0011] (1) The utility model can reduce the erosion of the soil between the concrete protection layer of the foundation pit slope and the top drainage channel of the slope, and can quickly realize the connection and disassembly of the prefabricated drainage ditch through the magnetic connection mode, compared with the traditional limiting plate connection mode, the efficiency of disassembly and recycling of the prefabricated drainage ditch is improved, and the construction time and labor cost are reduced.

[0012] (2) The magnetic type connecting mechanism is arranged, so that the prefabricated drainage ditch is quickly connected by the magnet, and the installation and disassembly process of the prefabricated drainage ditch is simplified; the reinforcing assembly is arranged, so that the connection strength and overall stability between adjacent prefabricated drainage ditches can be enhanced, and the ability to prevent displacement of the prefabricated drainage ditch during use can be improved.

[0013] (3) The filter plate and the mounting groove are arranged, so that large particles can be effectively prevented from entering the prefabricated drainage ditch, the risk of blockage of the prefabricated drainage ditch is reduced, and the detachable design of the filter plate makes the filter plate easy to be taken out from the mounting groove, so that the filter plate can be conveniently checked and cleaned. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0015] Figure 1 It is a structural schematic view of a drainage device for foundation pit slope according to the utility model embodiment;

[0016] Figure 2 It is Figure 1 the local enlarged view of A in FIG.

[0017] Figure 3is a sectional view of a magnetic type connecting mechanism in the drainage device for foundation pit slope according to the embodiment of the utility model;

[0018] Figure 4 is Figure 3 is a local enlarged view of B;

[0019] Figure 5 is a perspective view of the reinforcing assembly in the drainage device for foundation pit slope according to the embodiment of the utility model.

[0020] In the figure,

[0021] 1, top of slope drainage channel; 2, metal plate; 3, prefabricated drainage ditch; 4, magnetic type connecting mechanism; 401, magnet; 402, placing groove; 403, connecting plate; 404, connecting shaft; 5, reinforcing assembly; 501, groove; 502, connecting block; 6, mounting groove; 7, filter plate; 8, handle. DETAILED DESCRIPTION

[0022] To further illustrate the embodiments, the utility model provides drawings, these drawings are part of the utility model disclosure, mainly used to illustrate the embodiment, and can cooperate with the relevant description of the specification to explain the operation principle of the embodiment, cooperating with reference to these contents, the person skilled in the art should understand other possible implementation modes and the advantages of the utility model, the components in the figure are not drawn according to scale, and similar component symbols are usually used to represent similar components.

[0023] According to the embodiment of the utility model, a drainage device for foundation pit slope is provided.

[0024] The utility model will be further illustrated by combining with the specific embodiment and the drawings, as shown in the figure, Figures 1-5 The drainage device for foundation pit slope according to the embodiment of the utility model comprises a top of slope drainage channel 1, a plurality of metal plates 2 are embedded on the two sides of the top of slope drainage channel 1, and a plurality of prefabricated drainage ditches 3 are arranged in sequence and connected at the beginning in the top of slope drainage channel 1; the magnetic type connecting mechanism 4 is arranged between the two sides of the prefabricated drainage ditch 3 and the metal plate 2; and the reinforcing assembly 5 is arranged between the two adjacent prefabricated drainage ditches 3.

[0025] By means of the above scheme, the utility model can reduce the scouring and erosion of the soil between the concrete protection layer of the foundation pit slope and the top of slope drainage channel 1 by rainwater, and through the magnetic type connecting mode, the connection and disassembly of the prefabricated drainage ditch 3 can be quickly realized, compared with the traditional limiting plate connecting mode, the efficiency of disassembly and recovery of the prefabricated drainage ditch 3 is improved, and the construction time and labor cost are reduced.

[0026] In one embodiment, for the above-mentioned magnetic connection mechanism 4, the magnetic connection mechanism 4 comprises a magnet 401 arranged at the bottom of the prefabricated drainage ditch 3 on both sides of the top of the metal plate 2, the middle part of the magnet 401 is provided with a placing groove 402, the placing groove 402 is provided with a connecting plate 403, the top end of the connecting plate 403 is provided with a connecting shaft 404, and the top end of the connecting shaft 404 penetrates the magnet 401 and is connected with the prefabricated drainage ditch 3, so as to provide quick magnetic connection for the prefabricated drainage ditch 3 by using the magnet 401, and simplify the installation and disassembly process of the prefabricated drainage ditch 3.

[0027] The working principle of the magnetic connection mechanism 4: the placing groove 402 is located at the bottom of the prefabricated drainage ditch 3, the magnet 401 is lifted by the connecting plate 403 at the bottom of the connecting shaft 404 and contacts the top end of the placing groove 402, and the connecting shaft 404 is connected with the prefabricated drainage ditch 3, so that the magnet 401 can be fixedly connected with the prefabricated drainage ditch 3. When installing the prefabricated drainage ditch 3, the magnet 401 contacts the metal plate 2 through the bottom thereof, so that the magnet 401 is connected with the metal plate 2, thereby connecting the prefabricated drainage ditch 3 with the metal plate 2 embedded on both sides of the top of the slope drainage channel 1. The prefabricated drainage ditch 3 can be fixed.

[0028] The metal plate 2 is made of carbon steel, stainless steel, galvanized steel and the like, and the bottom of the metal plate 2 can be provided with a pin for stable connection with the ground at the top of the slope.

[0029] In one embodiment, for the above-mentioned reinforcing assembly 5, the reinforcing assembly 5 comprises a groove 501 formed between two adjacent prefabricated drainage ditches 3, and a connecting block 502 with the same shape as the groove 501 is arranged in the groove 501; the connecting block 502 is composed of two trapezoidal blocks, and the width of the trapezoidal blocks gradually increases along the direction close to the middle position of the prefabricated drainage ditch 3, so as to enhance the connection strength and overall stability between the adjacent prefabricated drainage ditches 3, and improve the ability of the prefabricated drainage ditch 3 to prevent displacement during use.

[0030] The working principle of the reinforcing assembly 5: when installing two adjacent prefabricated drainage ditches 3, the connecting block 502 is inserted into the groove 501, so that the two prefabricated drainage ditches 3 are stably connected, thereby enhancing the overall integrity of the plurality of prefabricated drainage ditches 3.

[0031] In one embodiment, for the above-mentioned prefabricated drainage ditch 3, the top end of the prefabricated drainage ditch 3 is provided with a mounting groove 6, and a filter plate 7 is arranged in the mounting groove 6; the filter plate 7 is in clearance fit with the mounting groove 6, and the both ends of the filter plate 7 are provided with handles 8, so as to effectively prevent large particles from entering the prefabricated drainage ditch 3, reduce the risk of clogging of the prefabricated drainage ditch 3, and the detachable design of the filter plate 7 makes the filter plate 7 easy to be taken out from the mounting groove 6, facilitating the inspection and cleaning of the filter plate 7.

[0032] In order to facilitate the understanding of the above technical scheme of the utility model, the working principle or operation mode of the utility model in the actual process is explained in detail below.

[0033] In actual application, the slope top drainage channel 1 is arranged at the top of the foundation pit slope, and the metal plate 2 is embedded on both sides of the slope top drainage channel 1. The prefabricated drainage ditch 3 is arranged in the slope top drainage channel 1 in sequence, and the bottom of the prefabricated drainage ditch 3 is connected with the metal plate 2 through the magnetic attraction type connecting mechanism 4. During installation, the connecting plate 403 at the bottom of the connecting shaft 404 drives the magnet 401 to rise and contact the top end of the placing groove 402, and the connecting shaft 404 is clamped with the prefabricated drainage ditch 3, so that the magnet 401 can be fixedly connected with the prefabricated drainage ditch 3. When the prefabricated drainage ditch 3 is installed, the magnet 401 contacts the metal plate 2 through the bottom, so that the magnet 401 is connected with the metal plate 2, thereby connecting the prefabricated drainage ditch 3 with the metal plate 2 embedded on both sides of the slope top drainage channel 1, and the prefabricated drainage ditch 3 can be fixed. The connecting block 502 is inserted into the groove 501 between the adjacent prefabricated drainage ditches 3, and the connecting strength between the prefabricated drainage ditches 3 is enhanced through the trapezoidal block structure.

[0034] Rainwater flows into the prefabricated drainage ditch 3 in the slope top drainage channel 1 from the top of the slope. The filter plate 7 in the installation groove 6 blocks large particles from entering the prefabricated drainage ditch 3, ensuring smooth drainage. The water in the prefabricated drainage ditch 3 is discharged to a pre-set area to prevent rainwater from eroding the slope.

[0035] When the prefabricated drainage ditch 3 is recycled, the prefabricated drainage ditch 3 can be quickly disassembled due to the design of the magnetic attraction type connecting mechanism 4, improving the efficiency of disassembly and recycling.

[0036] In summary, the utility model can reduce the erosion of the soil between the concrete protection layer of the foundation pit slope and the slope top drainage channel 1 by rainwater, and through the magnetic attraction connection mode, the connection and disassembly of the prefabricated drainage ditch 3 can be quickly realized, compared with the traditional limiting plate connection mode, the efficiency of disassembly and recycling of the prefabricated drainage ditch 3 is improved, and the construction time and labor cost are reduced. By arranging the magnetic attraction type connecting mechanism 4, the magnet 401 provides quick magnetic attraction connection for the prefabricated drainage ditch 3, simplifying the installation and disassembly process of the prefabricated drainage ditch 3; by arranging the reinforcing assembly 5, the connection strength and overall stability between adjacent prefabricated drainage ditches 3 can be enhanced, and the ability of the prefabricated drainage ditch 3 to prevent displacement during use is improved. By arranging the filter plate 7, the installation groove 6 and the like, large particles can be effectively prevented from entering the prefabricated drainage ditch 3, reducing the risk of blockage of the prefabricated drainage ditch 3, and the detachable design of the filter plate 7 allows the filter plate 7 to be easily removed from the installation groove 6, facilitating the inspection and cleaning of the filter plate 7.

[0037] In the utility model, unless another definite provision and limitation, the term "installation", "arrangement", "connection", "fixation", "screw connection" and so on term should do the broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication or the interaction relationship of two elements inside two elements, unless another definite limitation, for the ordinary skill in the art, can understand the specific meaning of the above-mentioned term in the utility model according to the specific situation.

[0038] The above only is the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A drainage device for a foundation pit slope, comprising a slope top drainage channel (1), characterized in that, The metal plates (2) are embedded on both sides of the slope top drainage channel (1), and the prefabricated drainage ditches (3) are arranged in sequence and connected at the beginning in the slope top drainage channel (1). The magnetic attraction type connecting mechanism (4) is arranged between the two sides of the prefabricated drainage ditch (3) and the metal plate (2), and the reinforcing assembly (5) is arranged between the two adjacent prefabricated drainage ditches (3).

2. The drainage device for foundation pit slope according to claim 1, characterized in that, The magnetic attraction type connecting mechanism (4) comprises a magnet (401) arranged at the bottom of the two sides of the prefabricated drainage ditch (3) and located at the top of the metal plate (2), a placing groove (402) is arranged in the middle of the magnet (401), a connecting plate (403) is arranged in the placing groove (402), a connecting shaft (404) is arranged at the top of the connecting plate (403), and the top of the connecting shaft (404) penetrates through the magnet (401) and is clamped with the prefabricated drainage ditch (3).

3. The drainage device for foundation pit slope according to claim 1, characterized in that, The reinforcing assembly (5) comprises a groove (501) formed between the two adjacent prefabricated drainage ditches (3), and a connecting block (502) with the same shape as the groove (501) is arranged in the groove (501).

4. The drainage device for foundation pit slope according to claim 3, characterized in that, The connecting block (502) is composed of two trapezoidal blocks, and the width of the trapezoidal blocks gradually increases in the direction close to the middle position of the prefabricated drainage ditch (3).

5. The drainage device for foundation pit slope according to claim 1, characterized in that, The top of the prefabricated drainage ditch (3) is provided with a mounting groove (6), and the mounting groove (6) is provided with a filter plate (7).

6. The drainage device for foundation pit slope according to claim 5, characterized in that, The filter plate (7) is in clearance fit with the mounting groove (6), and the two ends of the filter plate (7) are provided with handles (8).

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