Foundation pit protection device

Abstract

This utility model relates to the field of foundation pit protection technology, specifically to a foundation pit protection device, including a base, two support plates, a cylinder, and an oxygen supply device. A drill bit is installed at the bottom of the base, and mounting grooves are formed at both ends. The two support plates are located at both ends of the base and are used to abut against the sidewalls of the foundation pit in the width direction. The cylinder is located in the mounting groove and is connected to both the base and the support plates. The mounting plate is slidably installed on either support plate, and the oxygen supply device is fixedly installed on the mounting plate. The oxygen supply device includes an oxygen storage tank, a valve, a first connecting pipe, and a second connecting pipe. The oxygen storage tank is connected to the first connecting pipe, and the valve is connected to both the first and second connecting pipes. Oxygen from the storage tank can be obtained by operating the valve to connect the first and second connecting pipes, thus ensuring the safety of the operator when they are at the bottom of the foundation pit and the oxygen content at the bottom is low.

Description

Technical Field

[0001] This utility model relates to the field of foundation pit protection technology, specifically to a foundation pit protection device. Background Technology

[0002] In the construction industry, foundation pit excavation is an indispensable part of construction, requiring the excavation of pits of a certain size according to actual design requirements. For narrow and deep foundation pits, the environment inside is relatively enclosed with poor air circulation. Workers inside the pit also continuously consume oxygen, resulting in low oxygen levels and creating a risk. Utility Model Content

[0003] This utility model was developed to solve the aforementioned technical problems. Its purpose is to provide a foundation pit protection device that solves the problem of insufficient oxygen content in narrow and deep foundation pits, thereby ensuring the personal safety of operators.

[0004] To achieve the above objectives, this utility model provides a foundation pit protection device, including a base with mounting grooves formed at both ends; two support plates disposed at both ends of the base; a cylinder disposed in the mounting groove and connected to the base and the support plates respectively; a mounting plate slidably mounted on either of the support plates; and an oxygen supply device fixedly mounted on the mounting plate, including an oxygen storage tank, a valve, a first connecting pipe, and a second connecting pipe, wherein the oxygen storage tank is connected to the first connecting pipe, and the valve is connected to both the first connecting pipe and the second connecting pipe.

[0005] Preferably, the mounting plate includes a limiting block with a through hole formed thereon; the oxygen supply device also includes a mask connected to a second connecting pipe that penetrates the through hole.

[0006] Preferably, it further includes a telescopic rod disposed on the side wall of the support plate and connected to the two support plates.

[0007] Preferably, the mounting plate further includes a mounting base, the mounting base including an arc-shaped groove, and the oxygen storage tank is installed in the arc-shaped groove.

[0008] Preferably, it further includes a locking block, which is rotatably mounted on the mounting base and has a buckle at one end; the mounting base includes a slot and the buckle is connected to the slot.

[0009] Preferably, the mounting base further includes a rotating base, and the locking block is rotatably connected to the rotating base.

[0010] Preferably, the support plate further includes a slide groove, in which a motor and a threaded rod are disposed, and the motor is connected to the threaded rod; the mounting plate further includes a connecting block, which is slidably connected to the threaded rod.

[0011] Preferably, it also includes a storage device disposed on another support plate away from the oxygen supply device.

[0012] Preferably, the first connecting pipe and the oxygen storage tank are threaded together.

[0013] Preferably, the base further includes a drill bit, an extension block, and a rotating screw. The extension block is disposed on the side wall of the base, the rotating screw passes through the extension block and is rotatably connected to the extension block, and the drill bit is disposed at the bottom of the rotating screw.

[0014] This utility model provides a foundation pit protection device, including a base, two support plates, a cylinder, and an oxygen supply device. The base has mounting grooves at both ends. The two support plates are located at both ends of the base and are used to abut against the sidewalls of the foundation pit in the width direction. The cylinder is located in the mounting groove and is connected to both the base and the support plates, allowing adjustment of the distance between the base and the support plates. This enables the foundation pit protection device to be adjusted according to the actual width of the foundation pit, ensuring stable contact between the support plates and the sidewalls. The mounting plate is slidably mounted on either support plate, and the oxygen supply device is fixedly mounted on the mounting plate. When the foundation pit protection device and the operator reach the bottom of the pit together, the operator can use the oxygen supply device to replenish oxygen in a timely manner, avoiding safety hazards caused by insufficient oxygen at the bottom of the pit. The oxygen supply device includes an oxygen storage tank, a gas valve, a first connecting pipe, and a second connecting pipe. The oxygen storage tank is connected to the first connecting pipe, and the gas valve is connected to both the first and second connecting pipes. Operators can connect the first and second connecting pipes by operating the gas valve to obtain oxygen from the oxygen storage tank. This ensures that when operators are at the bottom of the pit and the oxygen content at the bottom is low, oxygen can be supplemented through the oxygen supply device, thus ensuring the personal safety of the operators. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of a foundation pit protection device in one embodiment of the present invention.

[0016] Figure 2 This is a structural schematic diagram of the foundation pit protection device involved in one embodiment of the present invention from another angle.

[0017] Figure 3 For the present utility model Figure 1 A partially enlarged structural diagram of the middle circle A.

[0018] Figure 4 This is a partial structural diagram of the oxygen supply device of the foundation pit protection device involved in one embodiment of the present utility model.

[0019] Figure 5This is a schematic diagram of another part of the oxygen supply device of the foundation pit protection device involved in one embodiment of the present utility model. Detailed Implementation

[0020] Exemplary embodiments will now be described more fully with reference to the accompanying drawings. However, exemplary embodiments can be implemented in many forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be more comprehensive and complete, and will fully convey the concept of exemplary embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

[0021] Furthermore, the accompanying drawings are merely illustrative of this disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and therefore repeated descriptions of them will be omitted. It should be noted that in this disclosure, the terms "comprising," "configured with," and "set in" are used to indicate an open-ended inclusion, meaning that additional elements / components / etc. may exist besides those listed; the terms "first," "second," etc., are used only as labels and are not intended to limit the number or order of objects; the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0022] Unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0023] This utility model discloses a foundation pit protection device, please refer to it. Figures 1 to 5In some embodiments, the pit protection device includes a base 1, two support plates 7, a cylinder 3, and an oxygen supply device. The base 1 has mounting grooves 2 at both ends. The two support plates 7 are located at both ends of the base 1 and are used to abut against the sidewalls of the pit in the width direction. The cylinder 3 is located within the mounting grooves 2 and is connected to both the base 1 and the support plates 7. The distance between the base 1 and the support plates 7 can be adjusted by extending and retracting the cylinder 3 within the mounting grooves 2, allowing the pit protection device to be adjusted according to the actual width of the pit, ensuring stable contact between the support plates 7 and the pit sidewalls. The mounting plate 15 is slidably mounted on either support plate 7, and the oxygen supply device is fixedly mounted on the mounting plate 15. When the pit protection device and the operator reach the bottom of the pit together, the operator can use the oxygen supply device to replenish oxygen in a timely manner, avoiding safety hazards caused by insufficient oxygen at the bottom of the pit. The oxygen supply device includes an oxygen storage tank 18, an air valve 23, a first connecting pipe 24, and a second connecting pipe 25. The oxygen storage tank 18 is connected to the first connecting pipe 24, and the air valve 23 is connected to the first connecting pipe 24 and the second connecting pipe 25 respectively. The operator can connect the first connecting pipe 24 and the second connecting pipe 25 by operating the air valve 23 to obtain oxygen from the oxygen storage tank 18. This ensures that when the operator is at the bottom of a narrow and deep pit and the oxygen content at the bottom of the pit is low, oxygen can be supplemented through the oxygen supply device, thus ensuring the personal safety of the operator.

[0024] The oxygen supply device also includes a face mask 27. When the operator needs oxygen, the face mask 27 can be pulled to cover the operator's mouth and nose. The perforated valve 23 delivers oxygen from the oxygen storage tank 18 into the face mask 27 via the first connecting pipe 24 and the second connecting pipe 25. The first connecting pipe 24 and the second connecting pipe 25 are made of TPE (Thermoplastic Elastomer) material, which has good flexibility and resilience and will not break due to stretching caused by the operator pulling.

[0025] Understandably, in actual use, the operator can stand on base 1 and descend to the bottom of the narrow and deep pit along with the entire pit protection device. The support plate 7 of the pit protection device is supported on the side wall of the pit, ensuring the stability of the entire pit protection device and providing some support to the side wall of the pit, preventing the side wall of the pit from collapsing during descent and causing safety hazards. After reaching the bottom of the pit, the operator can leave base 1 and move freely at the bottom of the pit to begin work. If the oxygen content at the bottom of the narrow and deep pit decreases due to the relatively enclosed space, personnel movement, or machinery operation, the operator can return to base 1 in time to replenish oxygen using the oxygen supply device, avoiding health risks due to insufficient oxygen.

[0026] Furthermore, in some embodiments, the mounting plate 15 includes a limiting block 26 with a through hole. The oxygen supply device also includes a mask 27 connected to a second connecting pipe 25 penetrating the through hole. The limiting block 26 fixes the oxygen supply device to the mounting plate 15, ensuring that when the pit protection device is lowered to the bottom of a narrow and deep pit, the oxygen supply device remains stably fixed to the mounting plate 15, preventing it from colliding with the sidewall of the pit as it descends with the pit protection device, thus avoiding damage and affecting subsequent use.

[0027] In some embodiments, the pit protection device further includes a telescopic rod 10, which is disposed on the side wall of the support plate 7 and connected to the two support plates 7. On the one hand, it can connect the two support plates 7 together to ensure the relative position between the two support plates 7 is stable, and the distance between the two support plates 7 can be adjusted by the telescopic rod 10 so that it can more stably abut against the side wall of the pit, thereby avoiding the pit protection device from shaking due to uneven force when it descends or rises in the pit, which could lead to deformation of the two support plates 7 and damage to the pit protection device. On the other hand, the telescopic rod 10 can also provide support for the operators when the entire pit protection device rises or falls, further ensuring the safety of the pit protection device.

[0028] Understandably, since the oxygen storage tank 18 usually needs to be handled with care and avoids bumps, in order to stably place the oxygen supply device on the pit protection device, in some embodiments, the mounting plate 15 also includes a mounting base 16. The mounting base 16 includes an arc-shaped groove 17, in which the oxygen storage tank 18 is installed. The curvature of the arc-shaped groove 17 matches the side wall of the oxygen storage tank 18, which can ensure the stability of the oxygen storage tank 18 in the mounting base 16. Moreover, by providing the arc-shaped groove 17, it can prevent the oxygen storage tank 18 from being rotated by external force when the pit protection device is lowered or raised as a whole, which would cause the oxygen storage tank 18 to fall off the mounting base 16 and be damaged.

[0029] Furthermore, in order to stably fix the oxygen storage tank 18 on the mounting base 16, in some embodiments, the pit protection device also includes a locking block 20. The locking block 20 is rotatably mounted on the mounting base 16, and a buckle 21 is provided at one end of the locking block 20. The mounting base 16 includes a slot 22, and the buckle 21 is connected to the slot 22. When it is necessary to place the oxygen storage tank 18, the locking block 20 rotates so that the oxygen storage tank 18 can be placed on the mounting base 16. After placement, the locking block 20 rotates to be close to the oxygen storage tank 18, and the buckle 21 extends into the slot 22 and engages with it, thereby stably fixing the oxygen storage tank 18 in the mounting base 16. This prevents the oxygen storage tank 18 from falling out of the mounting base 16 and being damaged when subjected to external forces, thus avoiding unnecessary cost losses.

[0030] The mounting base 16 also includes a rotating base 19, and a locking block 20 is rotatably connected to the rotating base 19. The locking block 20 and the rotating base 19 rotate relative to each other, which allows the buckle 21 on the locking block 20 to move closer to or away from the mounting base 16, thereby realizing the fixing and loosening of the oxygen storage tank 18. This simplifies the structure required to fix the oxygen storage tank 18, and by rotating the locking block 20 and fixing it through the buckle 21 and the slot 22, the installation efficiency of the oxygen supply device is improved.

[0031] In some embodiments, the curvature of the locking block 20 can be set to match the outer wall of the oxygen storage tank 18. When the buckle 21 and the slot 22 are engaged, the oxygen storage tank 18 is stably fixed on the mounting base 16 through the cooperation between the locking block 20 and the arc groove 17.

[0032] Understandably, in some other embodiments, the locking block 20 may be disposed on the mounting plate 15, and the slot 22 may also be disposed on the mounting plate 15, so as to stably fix the oxygen storage tank 18 on the pit protection device.

[0033] To facilitate operator access to the oxygen supply device, in some embodiments, the support plate 7 further includes a slide groove 11. A motor 12 and a threaded rod 13 are housed within the slide groove 11. The motor 12 is connected to the threaded rod 13. The slide groove 11 protects the motor 12 and threaded rod 13 from damage caused by external soil, gravel, or other debris when the entire pit protection device rises or falls. The mounting plate 15 also includes a connecting block 14, which is slidably connected to the threaded rod 13. When the motor 12 starts, it drives the threaded rod 13 to rotate, causing relative rotation between the mounting plate 15 and the threaded rod 13. The mounting plate 15 can move up and down along the threaded rod 13, thereby allowing the oxygen supply device to also move up and down along the threaded rod 13 to a suitable position.

[0034] Understandably, in some embodiments, the pit protection device also includes a storage device 8, which is mounted on another support plate 7 away from the oxygen supply device and can be used to store tools needed for operations inside the pit. The support plate 7 is also provided with a mounting plate 15, to which the storage device 8 can be fixed and moved up and down along the threaded rod 13 as the threaded rod 13 rotates until it reaches a suitable position.

[0035] In some embodiments, the first connecting pipe 24 and the oxygen storage tank 18 are threadedly connected. The threaded connection makes it convenient for the operator to replace the oxygen storage tank 18 in a timely manner when the oxygen in the oxygen storage tank 18 is insufficient.

[0036] Understandably, in some embodiments, the base 1 further includes a drill bit 6, an extension block 4, and a rotating screw 5. The extension block 4 is disposed on the side wall of the base 1, and the rotating screw 5 passes through and is rotatably connected to the extension block 4. The drill bit 6 is disposed at the bottom of the rotating screw 5 and is used to fix it to the bottom of the pit, preventing the entire pit protection device from shaking after falling to the bottom of the pit, thus affecting the stability of the entire pit. When the pit protection device reaches the bottom, the base 1 is located on the ground. Rotating the rotating screws 5 on both sides can drive the drill bit 6 to drill downwards to the ground. The drill bit 6 and the rotating screw 5 fix the base 1 to the ground, enhancing the stability of the entire pit protection device.

[0037] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A foundation pit protection device, characterized by, The utility model relates to a kind of foundation pit protection devices, including: Base, installation slot is formed with at both ends; Two support plates are arranged at both ends of the base; Cylinder is arranged in the installation slot, is connected to the base and the support plate respectively; Mounting plate is slidably mounted on any one of the support plates; Oxygen supply device is fixedly mounted on the mounting plate, including oxygen storage tank, gas valve, first connecting pipe and second connecting pipe, the oxygen storage tank is connected to the first connecting pipe, the gas valve is connected to the first connecting pipe and the second connecting pipe respectively.

2. The foundation pit protection device of claim 1, wherein: The mounting plate includes a limit block, and a through hole is formed in the limit block; The oxygen supply device further includes a face mask connected to the second connecting pipe penetrating the through hole.

3. The excavation shield of claim 1, wherein, Further comprising: Telescopic rod is arranged on the side wall of the support plate and connected to two support plates.

4. The foundation pit protection device of claim 1, wherein: The mounting plate further includes a mounting seat, and the mounting seat includes an arc-shaped groove, and the oxygen storage tank is mounted in the arc-shaped groove.

5. The excavation shield of claim 4, wherein, Further comprising: Locking block is rotatably mounted on the mounting seat, and one end is provided with a buckle; The mounting seat includes a clamping groove, and the buckle is connected to the clamping groove.

6. The foundation pit protection device of claim 5, wherein: The mounting seat further includes a rotating seat, and the locking block is rotatably connected to the rotating seat.

7. The foundation pit protection device of claim 1, wherein: The support plate further includes a sliding groove, and a motor and a threaded rod are arranged in the sliding groove, and the motor is connected to the threaded rod; The mounting plate further includes a connecting block, and the connecting block is slidably connected to the threaded rod.

8. The excavation shield of claim 1, wherein, Further comprising: Storage device is arranged on another support plate away from the oxygen supply device.

9. The foundation pit protection device of claim 1, wherein: The first connecting pipe and the oxygen storage tank are threadedly connected.

10. The foundation pit protection device of claim 1, wherein: The base further includes a drill bit, an extension block and a rotating screw, the extension block is arranged on the side wall of the base, the rotating screw penetrates the extension block and is rotatably connected to the extension block, and the drill bit is arranged at the bottom of the rotating screw.

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