Subway engineering foundation pit safety protection device

Abstract

The utility model relates to the technical field of subway engineering foundation pit safety protection, and discloses a subway engineering foundation pit safety protection device which comprises a first protection plate, a second protection plate is arranged on the right side of the first protection plate, and extension plates are slidably connected into the first protection plate and the second protection plate. Sliding grooves are formed in the first protection plate and the second protection plate, fixing blocks are fixedly connected to the two sides of the extension plate, the two fixing blocks and the extension plate are arranged in the sliding grooves, stand columns are fixedly connected to one side of the first protection plate and one side of the second protection plate, and a supporting mechanism is arranged on the rear side of the first protection plate. According to the foundation pit protection device, the extension plate and the fixing block are connected into the sliding grooves of the first protection plate and the second protection plate in a sliding mode, the length of the device can be adjusted, the device can be suitable for foundation pits of different sizes, the application range of the device is widened, and therefore the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of subway engineering foundation pit safety protection, in particular to a subway engineering foundation pit safety protection device. Background Art

[0002] Subway foundation pit refers to the deeply excavated area used to build subway stations or subway tunnels. These foundation pits are usually designed by civil engineers and architects, and are excavated and prepared during the construction of subway projects. The construction of subway foundation pits is an important part of subway engineering and plays a vital role in the smooth construction and operation of subway lines.

[0003] After searching, the Chinese patent document with the announcement number CN217760395U discloses a subway engineering foundation pit safety protection device, which relates to the field of subway engineering foundation pit safety protection technology, and specifically includes a load-bearing base, the surface of the load-bearing base is fixedly connected with a plurality of load-bearing plates, the surfaces of the plurality of the load-bearing plates are provided with threaded holes, the internal threads of the threaded holes are connected with threaded drill rods, the outer surface of the threaded drill rod is sleeved with a fixed sleeve, the surface of the fixed sleeve is provided with a slide groove, and the bottom of the fixed sleeve is fixedly connected to the upper surface of the load-bearing plate. The subway engineering foundation pit safety protection device is provided with a threaded drill rod, a servo motor, a transmission rod, a gear B, and a gear A. When in use, the servo motor is started, the transmission rod is pushed to drive the gear A to rotate, thereby driving the gear B to rotate, thereby driving the threaded drill rod to rotate into the soil, making it convenient for users to stabilize the device on the ground, solving the problem of the device being unstable when installed on uneven terrain, and improving the convenience of the device.

[0004] This patent solves the problem of low stability of the device when it is placed on an uneven ground. However, during the use of the device, since bearings B and C are fixedly connected to the connecting plate, the length of the device cannot be adjusted as needed, and its scope of application is limited, resulting in reduced practicality. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides a subway engineering foundation pit safety protection device, aiming to improve the problem that the length of the device cannot be adjusted according to needs, the scope of use is limited, and the practicality is reduced.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a subway engineering foundation pit safety protection device, comprising a first protective plate, a second protective plate is arranged on the right side of the first protective plate, an extension plate is slidably connected inside the first protective plate and the second protective plate, a slide groove is opened inside the first protective plate and the second protective plate, fixed blocks are fixedly connected on both sides of the extension plate, and the two fixed blocks and the extension plate are both arranged inside the slide groove, a column is fixedly connected to one side of the first protective plate and the second protective plate, and a support mechanism is arranged on the rear side of the first protective plate.

[0007] As a further description of the above technical solution:

[0008] The supporting mechanism includes a first fixed frame, a first supporting plate, a second supporting plate, bolts and a second fixed frame, one side of the two first fixed frames are respectively fixedly connected to one side of the first protective plate and the second protective plate in the middle, the outer sides of the two first supporting plates are respectively rotatably connected to the inside of the two first fixed frames, the insides of the two first supporting plates are slidably connected to the second supporting plates, the two bolts pass through the tops of the two first supporting plates, and one ends of the two bolts are threadedly connected to the insides of the two second supporting plates, and the bottoms of the two second support plates are rotatably connected to the insides of the two second fixed frames.

[0009] As a further description of the above technical solution:

[0010] A plurality of threaded holes are formed on the outer side of the second support plate, and the bolt is located inside one of the threaded holes.

[0011] As a further description of the above technical solution:

[0012] The bottom of the second fixing frame is fixedly connected with a bottom plate, and two sides of the bottom plate are slidably connected with ground nails.

[0013] As a further description of the above technical solution:

[0014] A fixing plate is fixedly connected to the front sides of the first protective plate and the second protective plate in the middle, a sliding block is slidably connected inside the two fixing plates, and a warning sign is fixedly connected to the outer side of the sliding block.

[0015] As a further description of the above technical solution:

[0016] A groove is provided inside the fixing plate, and the sliding block is located inside the groove.

[0017] As a further description of the above technical solution:

[0018] A warning light is fixedly connected to the top of the column, and a light strip is fixedly connected to the outer side of the column.

[0019] As a further description of the above technical solution:

[0020] The bottom of the column is fixedly connected with a base, and the interior of the base is slidably connected with a fixing pile.

[0021] The utility model has the following beneficial effects:

[0022] 1. In the utility model, the length of the device can be adjusted by sliding the extension plate and the fixing block in the slide grooves of the first protective plate and the second protective plate, so that the device can be applied to foundation pits of different sizes, thereby increasing the scope of application of the device and improving the practicability of the device.

[0023] 2. In the utility model, the first support plate and the second support plate can be fixed together by bolts to prevent the second support plate from sliding during support and affecting the support effect. The first support plate and the second support plate can play a secondary support role for the device to prevent the device from collapsing and make the device more solid. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is the overall structural diagram of a subway engineering foundation pit safety protection device proposed by the utility model;

[0025] Figure 2 This is a structural diagram of an extension plate of a subway engineering foundation pit safety protection device proposed by the utility model;

[0026] Figure 3 This is a cross-sectional view of a first protective plate of a subway engineering foundation pit safety protection device proposed by the utility model;

[0027] Figure 4 This is a schematic diagram of the disassembly of the fixed plate structure of a subway engineering foundation pit safety protection device proposed by the utility model;

[0028] Figure 5 This is a schematic diagram of the disassembly of the support mechanism structure of a subway engineering foundation pit safety protection device proposed by the utility model.

[0029] Legend:

[0030] 1. First protective plate; 2. Second protective plate; 3. Extension plate; 4. Slide groove; 5. Fixed block; 6. First fixed frame; 7. First support plate; 8. Second support plate; 9. Bolt; 10. Threaded hole; 11. Second fixed frame; 12. Bottom plate; 13. Ground nail; 14. Fixed plate; 15. Slider; 16. Warning sign; 17. Groove; 18. Warning light; 19. Light strip; 20. Column; 21. Base; 22. Fixed pile. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the specification of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] Reference Figure 1-Figure 3 The utility model provides an embodiment: a subway engineering foundation pit safety protection device, including a first protective plate 1, a second protective plate 2 is arranged on the right side of the first protective plate 1, an extension plate 3 is slidably connected inside the first protective plate 1 and the second protective plate 2, a slide groove 4 is opened inside the first protective plate 1 and the second protective plate 2, fixed blocks 5 are fixedly connected on both sides of the extension plate 3, and the two fixed blocks 5 and the extension plate 3 are all arranged inside the slide groove 4, a column 20 is fixedly connected to one side of the first protective plate 1 and the second protective plate 2, and a supporting mechanism is arranged on the rear side of the first protective plate 1.

[0033] When in use, first place the device in a suitable position, then pull one of the columns 20 to make the extension plate 3 slide in the slide groove 4, so that it can be adjusted to a suitable length as needed, then press the fixing pile 22 downward to make it penetrate the base 21 and then insert it into the ground, then adjust the length of the second support plate 8, after the adjustment is completed, screw on the bolt 9 to fix the first support plate 7 and the second support plate 8 together, then place the bottom plate 12 in a suitable position, press the ground nail 13 downward to make it penetrate the bottom plate 12 and insert it into the ground, thereby providing secondary support for the device.

[0034] Reference Figure 5The support mechanism includes a first fixed frame 6, a first support plate 7, a second support plate 8, a bolt 9 and a second fixed frame 11. One side of the two first fixed frames 6 is fixedly connected to one side of the middle first protective plate 1 and the second protective plate 2 respectively. The outer sides of the two first support plates 7 are respectively rotatably connected to the inside of the two first fixed frames 6. The inside of the two first support plates 7 is slidably connected with the second support plate 8. The two bolts 9 penetrate the tops of the two first support plates 7, and one end of the two bolts 9 is threadedly connected to the inside of the two second support plates 8. The bottom of the two second support plates 8 is rotatably connected to the inside of the two second fixed frames 11. A plurality of threaded holes 10 are provided on the outer side of the second support plate 8, and the bolt 9 is located inside one of the threaded holes 10. The bottom of the second fixed frame 11 is fixedly connected to a bottom plate 12, and ground nails 13 are slidably connected to both sides of the bottom plate 12. The second support plate 8 is slidably connected to the inside of the first support plate 7, so that the length of the second support plate 8 can be adjusted according to the different inclination angles of the first support plate 7. The first support plate 7 and the second support plate 8 can be fixed together by the bolt 9 to prevent the second support plate 8 from sliding during support. The second support plate 8 is provided with a plurality of threaded holes 10, so that the bolts 9 can be fixed more conveniently and quickly. The support mechanism can be fixed by the bottom plate 12, and the support mechanism can be fixed on the ground by the ground nails 13.

[0035] Reference Figure 1 , Figure 2 , Figure 4 The front sides of the first and second protective plates 1 and 2 in the middle are fixedly connected with a fixing plate 14, and sliders 15 are slidably connected inside the two fixing plates 14, and a warning sign 16 is fixedly connected to the outside of the slider 15. A groove 17 is provided inside the fixing plate 14, and the slider 15 is inside the groove 17. The warning sign 16 can be fixed on the device through the fixing plate 14 and the slider 15, so as to play a warning role. Since the slider 15 is in the groove 17, the slider 15 can slide in the groove 17 when the first and second protective plates 1 and 2 are moving.

[0036] Reference Figure 1 , Figure 2 The top of the column 20 is fixedly connected with a warning light 18, and the outer side of the column 20 is fixedly connected with a light strip 19. The bottom of the column 20 is fixedly connected with a base 21, and the inside of the base 21 is slidably connected with a fixed pile 22. The warning light 18 can make people more alert to the foundation pit here, and the light strip 19 can illuminate the foundation pit at night to prevent pedestrians from falling when passing by. The base 21 and the fixed pile 22 can fix the device on the ground to prevent collapse.

[0037] Working principle: When in use, first determine the position where the device needs to be fixed, then place the device in an appropriate position, and by pulling one of the columns 20, the extension plate 3 and the fixing block 5 slide inside the first protective plate 1 and the second protective plate 2, so that the length of the device can be adjusted as needed. When the length adjustment is completed, use the fixing pile 22 to penetrate the base 21 and insert it into the ground to fix the device on the ground, and then adjust the support mechanism to a suitable length by pulling the second support plate 8, and then turn the bolt 9 to fix the first support plate 7 and the second support plate 8 together to avoid When the first protective plate 1 and the second protective plate 2 move, the two sliders 15 fixed on one side of the warning sign 16 will slide in the grooves 17 of the two fixed plates 14, and the warning sign 16 on the device can serve as a warning to pedestrians. At night, the warning light 18 will warn pedestrians, and the light strip 19 fixed on the outside of the column 20 can illuminate the road conditions to prevent pedestrians from falling into the foundation pit.

[0038] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A subway engineering foundation pit safety protection device, comprising a first protection plate (1), characterized in that: A second protective plate (2) is arranged on the right side of the first protective plate (1); an extension plate (3) is slidably connected inside the first protective plate (1) and the second protective plate (2); a slide groove (4) is provided inside the first protective plate (1) and the second protective plate (2); fixed blocks (5) are fixedly connected to both sides of the extension plate (3); and the two fixed blocks (5) and the extension plate (3) are arranged inside the slide groove (4); a column (20) is fixedly connected to one side of the first protective plate (1) and the second protective plate (2); and a supporting mechanism is arranged on the rear side of the first protective plate (1).

2. A subway engineering foundation pit safety protection device according to claim 1, characterized in that: The support mechanism comprises a first fixed frame (6), a first support plate (7), a second support plate (8), bolts (9) and a second fixed frame (11); one side of the two first fixed frames (6) is respectively fixedly connected to one side of the first protective plate (1) and the second protective plate (2) in the middle; the outer sides of the two first support plates (7) are respectively rotatably connected to the inside of the two first fixed frames (6); the inside of the two first support plates (7) are both slidably connected to the second support plates (8); the two bolts (9) pass through the tops of the two first support plates (7), and one end of the two bolts (9) is threadedly connected to the inside of the two second support plates (8); the bottoms of the two second support plates (8) are rotatably connected to the inside of the two second fixed frames (11).

3. A subway engineering foundation pit safety protection device according to claim 2, characterized in that: A plurality of threaded holes (10) are provided on the outer side of the second support plate (8), and the bolt (9) is located inside one of the threaded holes (10).

4. A subway engineering foundation pit safety protection device according to claim 2, characterized in that: The bottom of the second fixing frame (11) is fixedly connected to a bottom plate (12), and both sides of the bottom plate (12) are slidably connected to ground nails (13).

5. The subway engineering foundation pit safety protection device according to claim 1 is characterized by: A fixing plate (14) is fixedly connected to the front sides of the first protective plate (1) and the second protective plate (2) in the middle, a sliding block (15) is slidably connected inside the two fixing plates (14), and a warning sign (16) is fixedly connected to the outside of the sliding block (15).

6. A subway engineering foundation pit safety protection device according to claim 5, characterized in that: A groove (17) is provided inside the fixing plate (14), and the sliding block (15) is located inside the groove (17).

7. The subway engineering foundation pit safety protection device according to claim 1 is characterized by: A warning light (18) is fixedly connected to the top of the column (20), and a light strip (19) is fixedly connected to the outer side of the column (20).

8. The subway engineering foundation pit safety protection device according to claim 1 is characterized by: The bottom of the column (20) is fixedly connected to a base (21), and the interior of the base (21) is slidably connected to a fixing pile (22).

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