Safety protection device for building road foundation pit

Abstract

The utility model relates to the technical field of building construction, in particular to a building road foundation pit safety protection device which is characterized in that the outer side of a center cover plate is connected with a side protection frame in a sliding mode, the outer side of the side protection frame is connected with a corner protection frame in a sliding mode, and the upper end of the corner protection frame is fixedly connected with a fixing block; the inner end face of the fixing block is fixedly connected with a transmission sleeve, the inner side of the transmission sleeve is spirally connected with an adjusting screw rod, the bevel gear set can rotate through rotation of the first rotating disc, then the adjusting screw rod can rotate, the transmission sleeve can drive the fixing block to move, and therefore the fixing block can be driven to move. The corner protection frames can be driven to extend outwards or be compressed inwards under the rolling action of the universal wheels, and the side protection frames can be driven to move outwards under the action of the outer extending inner plates, so that the device not only can be telescopically folded, but also can be adjusted according to the size of a foundation pit; and the protection effect on the building road foundation pit is ensured.

Description

Technical Field

[0001] The utility model relates to a safety protection device for a building road foundation pit, belonging to the technical field of building construction. Background Art

[0002] The foundation pit is an earth pit excavated at the foundation design location according to the base elevation and foundation plane dimensions. Before excavation, the excavation plan should be determined based on geological and hydrological data and the conditions of nearby buildings on site, and waterproofing and drainage work should be done. If the excavation is not deep, the side slope can be used to stabilize the earth slope, and the slope size is determined according to relevant construction regulations.

[0003] After the existing construction road foundation pit is excavated, the shape and size of the protective fence installed around the foundation pit is relatively fixed, and it is difficult to adjust the size according to the pit diameter, thereby reducing the protective effect of the protective equipment at foundation pits of different sizes; and the protective fence is usually placed directly around the foundation pit when in use, which is difficult to fix quickly and effectively, and requires manual transportation before and after use, reducing the convenience of using the foundation pit protection equipment. Utility Model Content

[0004] The utility model aims to provide a safety protection device for a construction road foundation pit to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A safety protection device for a construction road foundation pit comprises a central cover plate, a fixed block and a fixed frame, wherein the outer side of the central cover plate is slidably connected to a side guard frame, the outer side of the side guard frame is slidably connected to a corner guard frame, the upper end of the corner guard frame is fixedly connected to a fixed block, the inner end face of the fixed block is fixedly connected to a transmission sleeve, the inner side of the transmission sleeve is spirally connected to an adjusting screw, the outer lower ends of the side guard frames on the left and right sides are fixedly connected to fixed side ears, the inner sides of the fixed side ears are slidably connected to a lifting frame, and the lower end of the lifting frame is fixedly connected to an insert cone.

[0007] Furthermore, the upper end of the center cover plate is fixedly connected to a fixed frame, the upper end of the fixed frame is rotatably connected to a first turntable, the lower end of the first turntable is fixedly connected to a bevel gear group, the bevel gear group is rotatably connected to the fixed frame, and the outer bevel gear of the bevel gear group is fixedly connected to the adjusting screw.

[0008] Furthermore, an outer extending inner plate is fixedly connected to the inner end surface of the corner guard frame, and the outer extending inner plate is slidably connected to the side guard frame.

[0009] Furthermore, an inner end surface of the side guard frame is fixedly connected with an inner extension inner plate, and the inner extension inner plate is slidably connected to the center cover plate.

[0010] Furthermore, the outer side of the lower end of the corner protection frame is rotatably connected with a universal wheel.

[0011] Furthermore, a lifting screw is spirally connected to the middle position of the fixed side ear, the lifting screw is rotationally connected to the lifting frame, and the upper end of the lifting screw is fixedly connected to a second turntable.

[0012] The beneficial effects of the utility model are:

[0013] The utility model enables the bevel gear set to rotate by setting the rotation of the first rotating disk, thereby enabling the adjusting screw to rotate, and enabling the transmission sleeve to drive the fixed block to move, so that the set corner guard frame can be driven to extend outward or compress inward under the rolling action of the universal wheel, and the side guard frame can be driven to move outward through the action of the outer extended inner plate, and at the same time, the center cover plate, the side guard frame and the corner guard frame can be extended and connected through the action of the outer extended inner plate and the inner extended inner plate, so that the device can not only be telescopic and folded, but also can be adjusted according to the size of the foundation pit, thereby ensuring the protective effect of the foundation pit of the construction road. The utility model utilizes the rotation of the second rotating disk to enable the lifting screw to rotate, thereby enabling the lifting screw to move up and down, and at the same time driving the lifting frame to move up and down, so that the inserting cone can be inserted into the soil or removed from the soil, so that the device can be fixed in position by the inserting cone when in use, and the inserting cone can be pulled out when not in use, and the device can be moved through the action of the universal wheel, thereby improving the stability of the device and the convenience of storage. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the specific embodiments of the present invention and do not constitute a limitation to the present invention.

[0015] Figure 1 This is a front view of a safety protection device for a construction road foundation pit of the utility model;

[0016] Figure 2 It is a top-sectional view of the installation structure of the center cover plate, side guard frame and corner guard frame of a construction road foundation pit safety protection device of the utility model;

[0017] Figure 3 This is a top-sectional view of the installation structure of the adjusting screw and the fixing frame of a construction road foundation pit safety protection device of the utility model;

[0018] Numbers in the figure: 1. Center cover; 2. Side guard frame; 3. Corner guard frame; 4. Fixed block; 5. Transmission sleeve; 6. Adjusting screw; 7. Fixed side ear; 8. Lifting frame; 9. Insert cone; 10. Fixed frame; 11. First turntable; 12. Bevel gear set; 13. Outer extension inner plate; 14. Inner extension inner plate; 15. Universal wheel; 16. Lifting screw; 17. Second turntable. Implementation

[0019] The following will be combined with the drawings in the embodiments 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 in 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.

[0020] Example 1 Please refer to Figure 1-Figure 3 , the utility model provides a technical solution:

[0021] A safety protection device for a foundation pit of a construction road comprises a central cover plate 1, a fixed block 4 and a fixed frame 10, wherein the outer side of the central cover plate 1 is slidably connected to a side guard frame 2, the outer side of the side guard frame 2 is slidably connected to a corner guard frame 3, the upper end of the corner guard frame 3 is fixedly connected to the fixed block 4, the inner end face of the fixed block 4 is fixedly connected to a transmission sleeve 5, the inner side of the transmission sleeve 5 is spirally connected to an adjusting screw 6, the upper end of the central cover plate 1 is fixedly connected to the fixed frame 10, the upper end of the fixed frame 10 is rotatably connected to a first turntable 11, the lower end of the first turntable 11 is fixedly connected to a bevel gear set 12, the bevel gear set 12 is rotatably connected to the fixed frame 10, the outer bevel gear of the bevel gear set 12 is fixedly connected to the adjusting screw 6, the inner end face of the corner guard frame 3 is fixedly connected to an outer extended inner plate 13, the outer extended inner plate 13 is slidably connected to the side guard frame 2, the inner end face of the side guard frame 2 is fixedly connected to an outer extended inner plate 13, the outer extended inner plate 13 is slidably connected to the side guard frame 2, the inner The end face is fixedly connected with an inner extension inner plate 14, which is slidably connected with the center cover plate 1, and the outer side of the lower end of the corner guard frame 3 is rotatably connected with a universal wheel 15. The rotation of the first turntable 11 enables the bevel gear set 12 to rotate, thereby enabling the adjusting screw 6 to rotate, and enabling the transmission sleeve 5 to drive the fixed block 4 to move, so that the set corner guard frame 3 can be driven to extend outward or compress inward under the rolling action of the universal wheel 15, and the side guard frame 2 can be driven to move outward through the action of the outer extension inner plate 13, and at the same time, through the action of the outer extension inner plate 13 and the inner extension inner plate 14, the center cover plate 1, the side guard frame 2 and the corner guard frame 3 can be extended and connected, so that the device can not only be telescopic and folded, but also can be adjusted according to the size of the foundation pit, thereby ensuring the protection effect of the foundation pit of the construction road.

[0022] Example 2 Please refer to Figure 1The difference between this embodiment and the first embodiment is that: the lower ends of the outer sides of the side guard frames 2 on the left and right sides are fixedly connected with fixed side ears 7, the inner sides of the fixed side ears 7 are slidably connected with the lifting frame 8, the lower ends of the lifting frame 8 are fixedly connected with the insertion cone 9, the middle position of the fixed side ears 7 is spirally connected with the lifting screw 16, the lifting screw 16 is rotatably connected to the lifting frame 8, and the upper end of the lifting screw 16 is fixedly connected with the second rotating disk 17, and the lifting screw 16 can be rotated by rotating the second rotating disk 17, and then the lifting screw 16 can be moved up and down, and at the same time, the lifting frame 8 is driven to move up and down, so that the insertion cone 9 can be inserted into the soil or removed from the soil, so that the device can be fixed in position by the insertion cone 9 when in use, and the insertion cone 9 can be pulled out when not in use, and the device can be moved by the action of the universal wheel 15, thereby improving the stability of the device and the convenience of storage.

[0023] Working principle of the utility model: when the device is in use, the bevel gear set 12 can be rotated by rotating the first rotating disk 11, and then the adjusting screw 6 can be rotated, and the transmission sleeve 5 can drive the fixed block 4 to move, so that the set corner guard frame 3 can be driven to extend outward or compressed inward under the rolling action of the universal wheel 15, and the side guard frame 2 can be driven to move outward through the action of the outer extension inner plate 13, and at the same time, the center cover plate 1, the side guard frame 2 and the corner guard frame 3 can be extended and connected through the action of the outer extension inner plate 13 and the inner extension inner plate 14, so as to achieve The device is not only telescopic and foldable, but also adjustable according to the size of the foundation pit, thereby ensuring the protective effect on the foundation pit of the construction road. The lifting screw 16 is rotated by rotating the second turntable 17, and then the lifting screw 16 is moved up and down, and at the same time drives the lifting frame 8 to move up and down, so that the cone 9 can be inserted into the soil or removed from the soil, so that the device can be fixed in position by the cone 9 when in use, and the cone 9 can be pulled out when not in use, and the device can be moved by the universal wheel 15, thereby improving the stability of the device and the convenience of storage.

[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A safety protection device for a construction road foundation pit, comprising a central cover plate (1), a fixing block (4) and a fixing frame (10), characterized in that: The outer side of the center cover plate (1) is slidably connected to a side guard frame (2), the outer side of the side guard frame (2) is slidably connected to a corner guard frame (3), the upper end of the corner guard frame (3) is fixedly connected to a fixing block (4), the inner end surface of the fixing block (4) is fixedly connected to a transmission sleeve (5), the inner side of the transmission sleeve (5) is spirally connected to an adjusting screw (6), the lower ends of the outer sides of the side guard frames (2) on the left and right sides are fixedly connected to fixed side ears (7), the inner sides of the fixed side ears (7) are slidably connected to a lifting frame (8), and the lower end of the lifting frame (8) is fixedly connected to an insert cone (9).

2. A construction road foundation pit safety protection device according to claim 1, characterized in that: The upper end of the central cover plate (1) is fixedly connected to a fixing frame (10), the upper end of the fixing frame (10) is rotatably connected to a first rotating disk (11), the lower end of the first rotating disk (11) is fixedly connected to a bevel gear set (12), the bevel gear set (12) is rotatably connected to the fixing frame (10), and the outer bevel gear of the bevel gear set (12) is fixedly connected to the adjusting screw (6).

3. A construction road foundation pit safety protection device according to claim 1, characterized in that: An outer extending inner plate (13) is fixedly connected to the inner end surface of the corner protection frame (3), and the outer extending inner plate (13) is slidably connected to the side protection frame (2).

4. A construction road foundation pit safety protection device according to claim 1, characterized in that: An inner extension inner plate (14) is fixedly connected to the inner end surface of the side guard frame (2), and the inner extension inner plate (14) is slidably connected to the central cover plate (1).

5. A construction road foundation pit safety protection device according to claim 1, characterized in that: The outer side of the lower end of the corner protection frame (3) is rotatably connected to a universal wheel (15).

6. A construction road foundation pit safety protection device according to claim 1, characterized in that: A lifting screw rod (16) is spirally connected to the middle position of the fixed side ear (7), the lifting screw rod (16) is rotationally connected to the lifting frame (8), and the upper end of the lifting screw rod (16) is fixedly connected to a second rotating disk (17).

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