Corrugated steel structure foundation pit supporting device

Abstract

The utility model discloses a corrugated steel structure foundation pit supporting device which comprises a plurality of corrugated plates, the corrugated plates are arranged in two rows side by side, and the adjacent corrugated plates are in lap joint with each other. The two rows of corrugated plates are arranged on the two sides of a foundation pit correspondingly. A plurality of longitudinal beams are arranged close to the corrugated plates from top to bottom, the longitudinal beams are connected with the corrugated plates through connecting bolts, and the corrugated plates arranged side by side are connected into a whole through the longitudinal beams; the longitudinal beams of the two rows of corrugated plates are connected through a plurality of supporting rods. The overall structure of the foundation pit supporting plate is assembled and combined, transportation and carrying are convenient, the weight of a single piece is light, and construction can be completed by adopting small hoisting machinery in urban construction. According to the supporting device, supporting on an excavated foundation pit during urban pipeline construction is greatly facilitated, the supporting device can effectively support the foundation pit through the supporting rods and the longitudinal beams, and meanwhile enough construction space is formed in the foundation pit.

Description

Technical Field

[0001] The utility model relates to the technical field of foundation pit support, in particular to a corrugated steel structure foundation pit support device. Background Technique

[0002] During the construction of urban pipelines, the pipelines are generally buried deep underground. Before construction, trenches need to be dug in advance. For some deeper trenches, there are safety hazards when personnel enter the trenches for construction, and accidents such as soil landslides and collapses that endanger life safety may occur. Therefore, it is necessary to support the foundation pit to prevent the soil on both sides of the foundation pit from collapsing.

[0003] Chinese Patent with the patent number CN201911060394.9 discloses an assembled long-strip foundation pit support device and method, including: a first assembled sidewall soil retaining flat plate, a second assembled sidewall soil retaining flat plate, four groups of vertical rib components, an assembled steel pipe main support structure, and a steel pipe bottom support component; among them, the first assembled sidewall soil retaining flat plate and the second assembled sidewall soil retaining flat plate with the same structure are arranged in parallel; each group of vertical rib components has the same structure and is respectively connected to the two side edges of the first and second assembled sidewall soil retaining flat plates; the assembled steel pipe main support structure is supported in the middle and upper parts between the first and second assembled sidewall soil retaining flat plates; the steel pipe bottom support component is supported in the lower part between the first and second assembled sidewall soil retaining flat plates.

[0004] The long-strip foundation pit support device provided by the above patent uses recyclable assembled steel structures for the support construction of long-strip foundation pits, which can meet the requirements of green and environmentally friendly rapid construction, eliminate the pollution of the environment by concrete, and reduce the construction cost. However, it has the problems of complex structure, troublesome installation, seriously compressing the working space in the foundation pit, and its support plates are mostly heavy, which is not conducive to transportation and assembly. Due to its troublesome assembly and construction, it is not suitable for the foundation pit support of urban pipeline construction. Content of the Utility Model

[0005] The purpose of the utility model is to provide a corrugated steel structure foundation pit support device, aiming to improve the problems of the existing foundation pit support device, such as complex structure, troublesome installation, seriously compressing the working space in the foundation pit, and the support plates are mostly heavy, which is not conducive to transportation and assembly. Due to its troublesome assembly and construction, it is not suitable for the foundation pit support of urban pipeline construction.

[0006] The utility model is realized as follows:

[0007] A corrugated steel structure foundation pit support device, including corrugated plates. A plurality of the corrugated plates are provided, and the plurality of corrugated plates are arranged side by side in two rows, and adjacent corrugated plates overlap each other; the two rows of corrugated plates are respectively arranged on both sides of the foundation pit; a plurality of longitudinal beams are provided on the corrugated plates from top to bottom, and the longitudinal beams are connected to the corrugated plates through connecting bolts, and the longitudinal beams connect the corrugated plates arranged side by side into a whole; the longitudinal beams of the two rows of corrugated plates are connected by a plurality of support rods.

[0008] Preferably, the corrugated plates are provided with multiple rows of angle steel connection holes from top to bottom, and a plurality of rebar planting holes are provided in the middle of the corrugated plates.

[0009] Preferably, the longitudinal beam is L-shaped, and a plurality of bolt holes are evenly provided on the side of the longitudinal beam that fits the corrugated plate; a plurality of connection holes are provided at the position where the bottom of the longitudinal beam aligns with the support rod.

[0010] Preferably, connection angle plates are provided at both ends of the support rod, the connection angle plates are L-shaped, and the bottom ends of the connection angle plates are attached to the longitudinal beam, and the connection holes of the connection angle plates and the longitudinal beam are connected and fixed by bolts.

[0011] Preferably, a plurality of sleeves are arranged side by side in the corrugated grooves on the side of the corrugated plate facing the longitudinal beam, a clamping plate is provided on the side of the longitudinal beam facing the corrugated plate, the clamping plate is clamped into the inner side of the corrugated groove of the corrugated plate, a limit pin is provided on the bottom surface of the clamping plate, and the limit pin is inserted into the inner side of the sleeve.

[0012] Preferably, the positions of the support rod near both ends are cut off, and nuts are installed at both ends of the cut-off port of the support rod. The inner side of the support rod is hollow, and adjusting screw rods are connected between the two nuts at the cut-off port. The adjusting screw rods are threadedly connected with the nuts, and the ends of the adjusting screw rods are inserted into the inner side of the support rod; a perforation is provided in the middle of the adjusting screw rod.

[0013] Compared with the prior art, the beneficial effects of the present utility model are:

[0014] 1. The overall structure of the foundation pit support plate adopts an assembled combination type, which is convenient for transportation and handling. The single-piece weight is light, and small hoisting machinery can be used for construction in the city. It greatly facilitates the support of the excavated foundation pit during urban pipeline construction, and the support device can effectively support the foundation pit by using support rods and longitudinal beams, and at the same time, there is enough construction space in the foundation pit.

[0015] 2. A plurality of sleeves are provided on the inner side surface of the corrugated plate of the present utility model along the position aligned with the longitudinal beam, and a clamping plate is provided at the position where the longitudinal beam aligns with the sleeve. The bottom end of the clamping plate is inserted into the inside of the sleeve, which facilitates the installation of the entire longitudinal beam and also facilitates the connection between the longitudinal beam and the corrugated plate by bolts.

[0016] 3. The positions of the support rods of the present utility model near both ends are cut off, and adjusting lead screws are provided at the cut-off ports. The adjusting lead screws are respectively connected to both ends of the cut-off ports of the support rods through threads, which facilitates fine-tuning of the length of the support rods by the adjusting lead screws. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is the overall front view of the present utility model;

[0018] Figure 2 is the overall top view of the present utility model;

[0019] Figure 3 is the side view of the corrugated plate of the present utility model;

[0020] Figure 4 is the structural schematic diagram of the longitudinal beam of the present utility model;

[0021] Figure 5 is the present utility model Figure 2 The enlarged view at position A in;

[0022] Figure 6 is the structural schematic diagram of the cooperation between the cut-off port of the support rod of the present utility model and the adjusting lead screw.

[0023] In the figure: 1. Corrugated plate; 11. Angle steel connection hole; 12. Anchor hole; 2. Longitudinal beam; 21. Bolt hole; 22. Connection hole; 23. Clamping plate; 24. Limit pin; 3. Support rod; 31. Connection angle plate; 32. Nut; 33. Adjusting lead screw; 34. Perforation; 4. Sleeve; 5. Connection bolt. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] In the present utility model, unless otherwise clearly defined and limited, terms such as "installation", "connection", "connection", "fixation" and other terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0025] The following will be further described in conjunction with the drawings and specific embodiments:

[0026] Embodiment 1

[0027] As Figure 1 and Figure 2As shown in the figure, a corrugated steel structure foundation pit support device includes corrugated plates 1. A plurality of corrugated plates 1 are arranged side by side in two rows, and adjacent corrugated plates 1 overlap each other; the two rows of corrugated plates 1 are respectively arranged on both sides of the foundation pit; this structure facilitates the support of both sides of the foundation pit by the corrugated plates 1, ensuring that the soil on both sides of the foundation pit will not easily collapse. The corrugated plates 1 are provided with a plurality of longitudinal beams 2 from top to bottom. The longitudinal beams 2 are connected to the corrugated plates 1 through connecting bolts 5, and the longitudinal beams 2 connect the corrugated plates 1 arranged side by side into a whole; this structure can ensure that the corrugated plates 1 on each side of the foundation pit can be connected into a whole, thus achieving a better support effect. The longitudinal beams 2 of the two rows of corrugated plates 1 are connected by a plurality of support rods 3. The support rods 3 are used to support the two rows of corrugated plates 1, so that the two rows of corrugated plates 1 are stably attached to the sides of the foundation pit on both sides.

[0028] As Figure 3 shown in the figure, the corrugated plates 1 are provided with multiple rows of angle steel connection holes 11 from top to bottom. The angle steel connection holes 11 facilitate the connection between the corrugated plates 1 and the longitudinal beams 2. And the middle of the corrugated plates 1 is provided with a plurality of rebar planting holes 12. The rebar planting holes 12 facilitate the planting of rebars through the corrugated plates 1 into the side wall of the foundation pit.

[0029] As Figure 4 shown in the figure, the longitudinal beams 2 are L-shaped, and a plurality of bolt holes 21 are evenly arranged on the side of the longitudinal beams 2 that fits the corrugated plates 1; the bolt holes 21 facilitate the passing of bolts, so as to facilitate the connection between the longitudinal beams 2 and the corrugated plates 1 through the connecting bolts 5. A plurality of connection holes 22 are provided at the bottom of the longitudinal beams 2 at the positions aligned with the support rods 3. The connection holes 22 facilitate the connection between the support rods 3 and the longitudinal beams 2 through bolts.

[0030] As Figure 5 shown in the figure, both ends of the support rods 3 are provided with connection angle plates 31. The connection angle plates 31 are L-shaped, and the bottom ends of the connection angle plates 31 are attached to the longitudinal beams 2. The connection holes 22 of the connection angle plates 31 and the longitudinal beams 2 are connected and fixed by bolts; this structure facilitates the stable connection between the support rods 3 and the longitudinal beams 2, so that the corrugated plates 1 can be effectively supported under the cooperation of the support rods 3 and the longitudinal beams 2.

[0031] Working principle: During use, first place the corrugated plates 1 side by side and attached to both sides of the foundation pit one by one, and then use the longitudinal beams 2 and the connecting bolts 5 to connect each row of corrugated plates 1 together, so that each row of corrugated plates 1 forms a whole; then select a support rod 3 with an appropriate length, and place the support rod 3 horizontally inside the foundation pit, and make both ends of the support rod 3 connected to the longitudinal beams 2 on the corrugated plates 1 respectively. Compared with the prior art, the overall structure of the foundation pit support plate of this application adopts an assembled and combined type, which is convenient for transportation and handling. The single-piece weight is light, and small hoisting machinery can be used for construction within the city. It greatly facilitates the support of the excavated foundation pit during urban pipeline construction, and the support device can effectively support the foundation pit by using the support rods 3 and the longitudinal beams 2, and at the same time, there is enough construction space inside the foundation pit.

[0032] Example 2

[0033] As Figure 1 and Figure 2 shown, a corrugated steel structure foundation pit support device includes corrugated plates 1. A plurality of corrugated plates 1 are provided, and the plurality of corrugated plates 1 are arranged side by side in two rows, and adjacent corrugated plates 1 overlap each other; the two rows of corrugated plates 1 are respectively arranged on both sides of the foundation pit; this structure facilitates the support of both sides of the measurement by the corrugated plates 1, ensuring that the soil on both sides of the foundation pit will not easily collapse. A plurality of longitudinal beams 2 are provided on the corrugated plates 1 from top to bottom. The longitudinal beams 2 are connected to the corrugated plates 1 through connecting bolts 5, and the longitudinal beams 2 connect the corrugated plates 1 arranged side by side into a whole; this structure can ensure that the corrugated plates 1 on each side of the foundation pit can be connected into a whole, thus achieving a better support effect. The longitudinal beams 2 of the two rows of corrugated plates 1 are connected by a plurality of support rods 3. The support rods 3 are used to support the two rows of corrugated plates 1, so that the two rows of corrugated plates 1 are stably attached to the sides of the foundation pit on both sides.

[0034] As Figure 3 shown, the corrugated plates 1 are provided with multiple rows of angle steel connection holes 11 from top to bottom. The angle steel connection holes 11 facilitate the connection between the corrugated plates 1 and the longitudinal beams 2. And a plurality of rebar planting holes 12 are provided in the middle of the corrugated plates 1. The rebar planting holes 12 facilitate the planting of rebars through the corrugated plates 1 into the side walls of the foundation pit.

[0035] As Figure 4 shown, the longitudinal beams 2 are L-shaped, and a plurality of bolt holes 21 are evenly provided on the surface of the longitudinal beams 2 that fit the corrugated plates 1; the bolt holes 21 facilitate the passing of bolts, so as to facilitate the connection between the longitudinal beams 2 and the corrugated plates 1 through the connecting bolts 5. A plurality of connection holes 22 are provided at the bottom of the longitudinal beams 2 at the positions aligned with the support rods 3. The connection holes 22 facilitate the connection between the support rods 3 and the longitudinal beams 2 through bolts.

[0036] As Figure 5 shown, connection angle plates 31 are provided at both ends of the support rods 3. The connection angle plates 31 are L-shaped, and the bottom ends of the connection angle plates 31 are attached to the longitudinal beams 2. The connection holes 22 of the connection angle plates 31 and the longitudinal beams 2 are connected and fixed by bolts; this structure facilitates the stable connection between the support rods 3 and the longitudinal beams 2, so that the corrugated plates 1 can be effectively supported under the cooperation of the support rods 3 and the longitudinal beams 2.

[0037] As Figure 1 , Figure 2 , Figure 3 and Figure 4As shown in the figure, a plurality of sleeves 4 are arranged side by side in the corrugated grooves on the side of the corrugated plate 1 facing the longitudinal beam 2. The sleeves 4 facilitate the connection with the longitudinal beam 2 to ensure the stability of the longitudinal beam 2. On the side of the longitudinal beam 2 facing the corrugated plate 1, there is a clamping plate 23. The clamping plate 23 is clamped into the inner side of the corrugated groove of the corrugated plate 1. A limit pin 24 is provided on the bottom surface of the clamping plate 23, and the limit pin 24 is inserted into the inner side of the sleeve 4. The cooperation of the clamping plate 23 and the limit pin 24 facilitates the smooth connection of the longitudinal beam 2 with the sleeve 4, and indirectly facilitates the connection of the longitudinal beam 2 with the corrugated plate 1 through the connecting bolt 5.

[0038] Embodiment 3

[0039] As Figure 1 and Figure 2 shown, a corrugated steel structure foundation pit support device includes corrugated plates 1. A plurality of corrugated plates 1 are arranged side by side in two rows, and adjacent corrugated plates 1 overlap each other; the two rows of corrugated plates 1 are respectively arranged on both sides of the foundation pit; this structure facilitates the support of the corrugated plates 1 on both sides of the foundation pit by the corrugated plates 1, ensuring that the soil on both sides of the foundation pit will not easily collapse. The corrugated plates 1 are provided with a plurality of longitudinal beams 2 from top to bottom. The longitudinal beams 2 are connected to the corrugated plates 1 through connecting bolts 5, and the longitudinal beams 2 connect the corrugated plates 1 arranged side by side into a whole; this structure can ensure that the corrugated plates 1 on each side of the foundation pit can be connected into a whole, so as to achieve a better support effect. The longitudinal beams 2 of the two rows of corrugated plates 1 are connected by a plurality of support rods 3. The support rods 3 are used to support the two rows of corrugated plates 1, so that the two rows of corrugated plates 1 are stably attached to the side surfaces of both sides of the foundation pit.

[0040] As Figure 3 shown, the corrugated plate 1 is provided with multiple rows of angle steel connection holes 11 from top to bottom. The angle steel connection holes 11 facilitate the connection of the corrugated plate 1 with the longitudinal beam 2. And a plurality of rebar planting holes 12 are provided in the middle of the corrugated plate 1. The rebar planting holes 12 facilitate the planting of rebars through the corrugated plate 1 into the side wall of the foundation pit.

[0041] As Figure 4 shown, the longitudinal beam 2 is L-shaped, and a plurality of bolt holes 21 are evenly provided on the side of the longitudinal beam 2 that fits the corrugated plate 1; the bolt holes 21 facilitate the passing of bolts, so as to facilitate the connection between the longitudinal beam 2 and the corrugated plate 1 through the connecting bolt 5. A plurality of connection holes 22 are provided at the bottom of the longitudinal beam 2 at the position aligned with the support rod 3. The connection holes 22 facilitate the connection of the support rod 3 and the longitudinal beam 2 through bolts.

[0042] As Figure 5 shown, both ends of the support rod 3 are provided with connection angle plates 31. The connection angle plates 31 are L-shaped, and the bottom ends of the connection angle plates 31 are attached to the longitudinal beam 2. The connection holes 22 of the connection angle plates 31 and the longitudinal beam 2 are connected and fixed by bolts; this structure facilitates the stable connection of the support rod 3 and the longitudinal beam 2, so that the corrugated plate 1 can be effectively supported under the cooperation of the support rod 3 and the longitudinal beam 2.

[0043] AsFigure 1 , Figure 2 , Figure 3 and Figure 4 As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , a plurality of sleeves 4 are arranged side by side in the corrugated grooves on the side of the corrugated plate 1 facing the longitudinal beam 2. The sleeves 4 are convenient for connecting with the longitudinal beam 2 to ensure the stability of the longitudinal beam 2. A clamping plate 23 is provided on the side of the longitudinal beam 2 facing the corrugated plate 1. The clamping plate 23 is clamped into the inner side of the corrugated groove of the corrugated plate 1. A limit pin 24 is provided on the bottom surface of the clamping plate 23. The limit pin 24 is inserted into the inner side of the sleeve 4. The cooperation of the clamping plate 23 and the limit pin 24 is convenient for the longitudinal beam 2 to be smoothly connected with the sleeve 4, and indirectly convenient for the longitudinal beam 2 to be connected with the corrugated plate 1 through the connecting bolt 5.

[0044] As Figure 5 and Figure 6 shown, the positions of the support rods 3 near both ends are cut off, and nuts 32 are installed at both ends of the cut-off ports of the support rods 3. The inner sides of the support rods 3 are hollow. Adjusting lead screws 33 are connected between the two nuts 32 at the cut-off ports. This structure is convenient for the adjusting lead screws 33 to be smoothly connected with the nuts 32, and convenient for the overall length of the support rods 3 to be finely adjusted according to the use requirements. The adjusting lead screws 33 are threadedly connected with the nuts 32, and the ends of the adjusting lead screws 33 are inserted into the inner sides of the support rods 3. This structure is convenient for the adjusting lead screws 33 to be inserted into the interior of the support rods 3, so that the adjusting screw rods have enough space to adjust the length of the support rods 3. A through hole 34 is provided in the middle of the adjusting lead screw 33. The through hole 34 is convenient for inserting a driving rod to rotate the adjusting lead screw 33.

[0045] The above is only the preferred embodiment of the present invention and is not used to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A corrugated steel structure foundation pit support device, including a corrugated plate (1), characterized in that, A plurality of the corrugated plates (1) are provided, and the plurality of corrugated plates (1) are arranged side by side in two rows, and adjacent corrugated plates (1) overlap each other; the two rows of corrugated plates (1) are respectively arranged on both sides of the foundation pit; the corrugated plates (1) are provided with a plurality of longitudinal beams (2) from top to bottom, and the longitudinal beams (2) are connected to the corrugated plates (1) through connecting bolts (5), and the longitudinal beams (2) connect the corrugated plates (1) arranged side by side into a whole; the longitudinal beams (2) of the two rows of corrugated plates (1) are connected through a plurality of support rods (3).

2. The corrugated steel structure foundation pit support device according to claim 1, characterized in that, The corrugated plate (1) is provided with multiple rows of angle steel connection holes (11) from top to bottom, and a plurality of rebar planting holes (12) are provided in the middle of the corrugated plate (1).

3. The corrugated steel structure foundation pit support device according to claim 1, characterized in that, The longitudinal beam (2) is in an L shape, and a plurality of bolt holes (21) are evenly provided on the surface of the longitudinal beam (2) that fits the corrugated plate (1); a plurality of connection holes (22) are provided at the bottom of the longitudinal beam (2) at positions aligned with the support rods (3).

4. The corrugated steel structure foundation pit support device according to claim 3, characterized in that, Both ends of the support rod (3) are provided with connecting angle plates (31), the connecting angle plates (31) are in an L shape, and the bottom ends of the connecting angle plates (31) are attached to the longitudinal beam (2), and the connection holes (22) of the connecting angle plates (31) and the longitudinal beam (2) are connected and fixed by bolts.

5. A corrugated steel structure foundation pit support device according to any one of claims 1-4, characterized in that, A plurality of sleeves (4) are arranged side by side in the corrugated grooves on the side of the corrugated plate (1) facing the longitudinal beam (2), a clamping plate (23) is provided on the side of the longitudinal beam (2) facing the corrugated plate (1), the clamping plate (23) is clamped into the inner side of the corrugated groove of the corrugated plate (1), a limiting pin (24) is provided on the bottom surface of the clamping plate (23), and the limiting pin (24) is inserted into the inner side of the sleeve (4).

6. A corrugated steel structure foundation pit support device according to any one of claims 1-4, characterized in that, The positions of the support rod (3) near both ends are cut off, and nuts (32) are installed at both ends of the cut-off section of the support rod (3). The inside of the support rod (3) is hollow, and adjusting lead screws (33) are connected between the two nuts (32) at the cut-off section. The adjusting lead screws (33) are threadedly connected with the nuts (32), and the ends of the adjusting lead screws (33) are inserted into the inside of the support rod (3); a through hole (4) is provided in the middle of the adjusting lead screw (33).

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