Portable safety protection cage for foundation pit construction

Abstract

The utility model relates to the technical field of foundation pit construction protection equipment, in particular to a portable foundation pit construction safety protection cage which comprises telescopic supporting legs and a back plate, and conical pins are arranged at the bottoms of the telescopic supporting legs. The top of the back plate is provided with a brim, and two sides of the back plate are provided with side protection plates; a plurality of first plug pin holes are formed in the back plate and used for being matched with back supporting rods in a plug pin mode; a plurality of second plug pin holes are formed in the side protection plates and used for being matched with the side supporting rods in a plug pin mode; the cap brim, the back plate and the side protection plates are each of a hollowed-out structure. Height adjustment can be carried out according to the actual depth and the pipe diameter of a foundation pit to adapt to different construction conditions, and universality and practicability of products are improved. The side supporting rods, the back supporting rods and the bolt seats can be assembled on site and are convenient to carry, the protective cage is easy to carry and install due to the hollowed-out lightweight structural design, and the protective cage can be rapidly deployed even in construction areas where the space is limited or the protective cage is difficult to reach.

Description

Technical Field

[0001] The utility model relates to the technical field of foundation pit construction protection equipment, and particularly relates to a portable safety protection cage for foundation pit construction. Background Art

[0002] The information disclosed in the background art of the utility model is only intended to increase the understanding of the overall background of the utility model, and is not necessarily regarded as an admission or an indication in any form that this information constitutes the prior art already known to those of ordinary skill in the art.

[0003] When constructing municipal pipelines, foundation pit support is required. Usually, the foundation pit needs to be excavated first, and then the pipeline is lowered into the foundation pit. These foundation pits are often relatively deep. In order to ensure the safety of construction workers around and inside the foundation pit, it is necessary to take support measures for the side walls of the foundation pit.

[0004] Traditional foundation pit support methods, such as steel sheet piles, soil nail walls, diaphragm walls, etc., although they can effectively improve the stability of the foundation pit, generally have problems such as bulky equipment, complex operation, and high cost, and are not convenient for application in construction with limited space or small foundation pits. Therefore, it is necessary to study a portable safety protection cage for foundation pit construction. Summary of the Utility Model

[0005] In order to solve the above technical problems, the utility model provides a portable safety protection cage for foundation pit construction, aiming to solve the problems that traditional support equipment is bulky, heavy, not easy to carry and install, especially in a construction environment with narrow space, its application is greatly limited, as well as the problems of complex operation, lack of flexibility and adaptability.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A portable safety protection cage for foundation pit construction, comprising support legs and a back plate;

[0008] The support legs are telescopic support legs, and a tapered pin is arranged at the bottom of the telescopic support legs;

[0009] A brim is arranged at the top of the back plate, and side protection plates are arranged on both sides;

[0010] A plurality of first pin holes are formed on the back plate, and the first pin holes are used for pin connection with the back support rod;

[0011] A plurality of second pin holes are formed on each of the side protection plates, and the second pin holes are used for pin connection with the side support rod;

[0012] The brim, the back plate and the side protection plates are all provided with a hollow structure.

[0013] Preferably, the telescopic support leg includes a support leg body, a pin socket is provided at the bottom of the support leg body, and the tapered pin is provided at the bottom end of the pin socket;

[0014] A plurality of adjustment holes are correspondingly formed in the pin socket and the support leg body, and the pin socket and the support leg body are fixedly connected through the adjustment holes and fixing members.

[0015] Preferably, a base plate is provided on the upper side of the main body of the tapered pin of the pin socket.

[0016] Preferably, the pin socket is sleeved on the outer side of the bottom of the support leg body, nut seats are correspondingly welded on the outer sides at the adjustment holes, and the fixing member is a bolt adapted to the nut seats.

[0017] Preferably, the brim is inclined upward, and the brim and the side protection plates on both sides are welded and connected into an integral structure.

[0018] Preferably, a support reinforcing rib plate is provided between the support leg body and the bottoms of the side protection plates on both sides.

[0019] Preferably, corresponding reinforcing plates are provided at the first pin hole and the second pin hole.

[0020] The utility model includes but is not limited to the following beneficial effects:

[0021] The height of the utility model can be adjusted according to the actual depth of the foundation pit and the size of the pipe diameter, adapting to different construction conditions, and improving the versatility and practicability of the product. The lightweight structure design with hollowing makes the protection cage easy to carry and install, and can be quickly deployed even in construction areas with limited space or difficult access.

[0022] The utility model forms a cage-type protection through the back plate, side protection plates and brim, reducing the risk of construction workers being injured by falling stones and providing a more comprehensive safety protection barrier.

[0023] The tapered pin, side support rod, back support rod and other components of the utility model can be quickly assembled and disassembled on site, which is convenient to carry, saves the construction preparation time and improves the overall construction efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is a schematic front three-dimensional structure diagram of the whole utility model;

[0025] Figure 2 is a schematic back three-dimensional structure diagram of the whole utility model;

[0026] Figure 3 is a schematic bottom view structure diagram of the utility model.

[0027] The reference numerals involved in the drawings are as follows:

[0028] 1. Main body of the support leg; 2. Back plate; 3. Side protection plate; 4. Brim; 5. Side support rod; 51. Second pin hole; 6. Back support rod; 61. First pin hole; 7. Pin seat; 71. Main body of the pin seat; 72. Adjustment hole; 73. Base plate; 74. Taper pin. Detailed implementation mode

[0029] In order to enable those skilled in the art to better understand the present utility model, the technical solution of the present utility model will be further described below with reference to the drawings and embodiments.

[0030] Figures 1 to 3 A portable safety protection cage for foundation pit construction is presented. This embodiment is used for the construction of municipal pipeline laying. The portable safety protection cage for foundation pit construction includes a support leg and a back plate 2; the support leg is a telescopic support leg, and a taper pin 74 is provided at the bottom of the telescopic support leg; a brim 4 is provided at the top of the back plate 2, and side protection plates 3 are provided on both sides.

[0031] A plurality of first pin holes 61 are formed on the back plate 2, and the first pin holes 61 are used for pin connection with the back support rod 6.

[0032] A plurality of second pin holes 51 are formed on each of the side protection plates 3, and the second pin holes 51 are used for pin connection with the side support rod 5.

[0033] The brim 4, the back plate 2, and the side protection plates 3 are all provided with a hollow structure.

[0034] The telescopic support leg includes a main body of the support leg 1. A pin seat 7 is provided at the bottom of the main body of the support leg 1, and the taper pin 74 is provided at the bottom end of the pin seat 7.

[0035] The pin seat 7 includes a main body of the pin seat 71. A plurality of adjustment holes 72 are correspondingly formed on the main body of the pin seat 71 and the main body of the support leg 1. The pin seat 7 and the main body of the support leg 1 are fixedly connected through the adjustment holes 72 by fixing members, and the fixing members can be pins, bolts, etc.

[0036] A base plate 73 is provided on the upper side of the main body of the taper pin 74 of the pin seat 7, which is used to limit the insertion depth, support the whole device, and be used for dispersing the load to maintain the stability of the whole device and prevent it from tilting.

[0037] The pin seat 7 is sleeved on the outer side of the bottom of the main body of the support leg 1. Nut seats are correspondingly welded on the outer sides of the adjustment holes 72, and the fixing member is a bolt adapted to the nut seat. Such a setting facilitates assembly and production.

[0038] The brim 4 is arranged to slope upwards. The brim 4 is welded to the side protection plates 3 on both sides to form an integral structure, strengthening the strength and stability of the protection cage structure.

[0039] Support strengthening rib plates are provided between the main body 1 of the support leg and the bottoms of the side protection plates 3 on both sides, further strengthening the strength and stability of the protection cage structure.

[0040] Reinforcing plates are correspondingly provided at the first pin hole 61 and the second pin hole 51, strengthening the fixing effect of the back support rod 6 and the side support rod 5, thereby enhancing the stability and reliability of the overall device.

[0041] This portable safety protection cage for foundation pit construction is a lightweight cage-type support product. When installing, a groove-shaped installation station needs to be dug on the side wall of the foundation pit to achieve the fitting and embedding installation of this portable safety protection cage for foundation pit construction.

[0042] This portable safety protection cage for foundation pit construction is lightweight and easy to operate. Two people can complete the handling and assembly. The telescopic support legs can adjust the height according to the depth of the foundation pit and the size of the pipe diameter, and can adapt to different working environments.

[0043] There is a tapered pin 74 at the bottom end of the main body 1 of the support leg to insert the support into the soil. There are also telescopic and retractable side support rods 5, back support rods 6 and tapered pins 74, which have strong adaptability to the hardness and insertion depth of the foundation pit, and are convenient to carry. They can be assembled and installed on-site, and can ensure the stability of the support after being inserted into the side wall of the foundation pit. This support product also has a brim 4, and the function of the brim 4 can prevent the collapse of loose soil and further ensure the safety of the staff.

[0044] The side support rods 5, back support rods 6 and pin sockets 7 adopt modular components, reducing production and transportation costs. At the same time, it is convenient for later maintenance and replacement of damaged parts, reducing long-term operation costs.

[0045] In summary, through the cage-type protection and modular, detachable and assembled functional design, the portable safety protection cage for foundation pit construction of the present utility model provides a safer, more efficient and more economical support solution for municipal pipeline laying and other foundation pit construction, significantly improving the safety and construction efficiency of the construction site.

[0046] Terms such as "upper", "lower", "outer side", "inner side" in the description, claims and above-mentioned drawings of the present utility model, if any, are used to distinguish the relative relationship in position and do not need to be given a qualitative definition. It should be understood that such used data can be interchanged under appropriate circumstances so that the embodiments of the present utility model described here can be implemented in an order other than those illustrated or described here. In addition, the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion.

[0047] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present utility model. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present utility model. Therefore, the present utility model will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A portable safety cage for foundation pit construction, comprising support legs and a back plate; characterized in that: The supporting leg is a retractable supporting leg, and a conical pin is provided at the bottom of the retractable supporting leg; The top of the back plate is provided with a brim, and side protection plates are provided on both sides; The back plate is provided with a plurality of first pin holes, and the first pin holes are used for pinning and cooperating with the back support rods; The side protection plates are each provided with a plurality of second pin holes, the second pin holes being used for pinning and cooperating with the side support rods; The brim, back plate and side protective plates are all configured as hollow structures.

2. The portable foundation pit construction safety protection cage according to claim 1 is characterized in that: The retractable support leg comprises a support leg body, a latch seat is arranged at the bottom of the support leg body, and the conical pin is arranged at the bottom end of the latch seat; A plurality of adjustment holes are correspondingly provided on the latch seat and the supporting leg body, and the latch seat and the supporting leg body are fixedly connected through the adjusting holes and the matching fixing pieces.

3. The portable foundation pit construction safety protection cage according to claim 2 is characterized in that: The latch seat is provided with a base plate on the upper side of the main body of the tapered pin.

4. The portable foundation pit construction safety protection cage according to claim 2, characterized in that: The latch seat is sleeved on the outer side of the bottom of the supporting leg body, and a nut seat is welded correspondingly to the outer side of the adjustment hole, and the fixing member is a bolt adapted to the nut seat.

5. The portable foundation pit construction safety protection cage according to claim 1, characterized in that: The brim is arranged to be tilted upward, and is welded to the side protection plates on both sides to form an integrated structure.

6. The portable foundation pit construction safety protection cage according to claim 1, characterized in that: A supporting reinforcing rib plate is arranged between the supporting leg body and the bottom of the side protection plates on both sides.

7. The portable foundation pit construction safety protection cage according to any one of claims 1 to 6, characterized in that: Corresponding reinforcement plates are provided at the first pin hole and the second pin hole.

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