Safety protection device for road foundation pit

By designing a roadbed pit safety protection device including fixed base, vertical pole, installation groove, plug-in column, guardrail and elastic column, the problem of inconvenience of clamping and installation difficulties in traditional devices during use is solved, convenient installation and disassembly are achieved, and convenience and practicality are improved.

CN222576338UActive Publication Date: 2025-03-07SHIJIAZHUANG CHENGTOU RUINING CONSTR ENG CO LTD
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Patent Information

Application Number
CN202420901981.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-28
Publication Date
2025-03-07
Estimated Expiration
2034-04-28

AI Technical Summary

Technical Problem

When used, traditional municipal road subgrade pit safety protection devices are inconvenient to interlock with protective devices, which leads to inconvenient use and inconvenient installation, making them less practical.

Method used

A road subgrade pit safety protection device including a fixed base, a vertical pole, a mounting groove, a plug-in column, a guardrail and an elastic column is designed. The base is fixed around the foundation pit by expansion bolts, the upright pole is inserted into the fixing base, and the guardrail is fixed in the installation groove of the upright pole through the plug-in column, and the guardrail is conveniently installed and removed by using elastic columns and clamp joints.

Benefits of technology

Through the convenient clamping and installation and disassembly mechanism, the device improves the convenience and practicality of use, and solves the problems of inconvenience and difficulty in installation of traditional devices.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a road foundation pit safety protection device which comprises a fixed base, a fixed inserting piece is fixedly inserted into the top of the fixed base, a vertical rod is integrally connected to the top of the fixed inserting piece, mounting grooves are formed in the front side and the rear side of the vertical rod, inserting columns are integrally arranged at the bottoms of the interiors of the mounting grooves, and the inserting columns are fixedly connected to the top of the fixed inserting piece. A protective fence is fixedly mounted in the mounting groove through inserting columns, inserting holes are formed in the four sides of the protective fence, clamping grooves connected with the inserting columns in a clamped mode are formed in the inserting holes, and each inserting column comprises an inserting cylinder integrally arranged with the bottom of the mounting groove; a connecting circular ring tightly attached to the bottom of the mounting groove is integrally arranged in the inserting cylinder, and an elastic column is fixedly connected to the side, away from the mounting groove, of the connecting circular ring. By arranging the fixed base and the protective fence, the road foundation pit safety protection device achieves the function of facilitating clamping, and therefore the convenience degree of the protection device during use is improved.
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Description

Technical Field

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

[0002] With the continuous development of society, the municipal road construction industry has developed vigorously, and foundation pit safety protection is an important part of it. Municipal road foundation pit safety protection devices are important protective tools during construction. Nowadays, there are many types of such municipal road foundation pit safety protection devices on the market, which can basically meet people's use needs.

[0003] Such traditional municipal road foundation pit safety protection devices are difficult to connect with each other during use, which causes great trouble to users. In addition, they are difficult to install, which makes them less practical during use.

[0004] Therefore, we propose a road foundation pit safety protection device. Utility Model Content

[0005] The purpose of the utility model is to provide a road foundation pit safety protection device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a road foundation pit safety protection device, comprising a fixed base, a fixed plug-in is fixedly inserted on the top of the fixed base, a vertical pole is integrally connected to the top of the fixed plug-in, mounting grooves are provided on the front and rear sides of the vertical pole, a plug-in column is integrally arranged on the bottom of the interior of the mounting groove, a guardrail is fixedly installed on the interior of the mounting groove through the plug-in column, plug-in holes are provided on the four sides of the guardrail, a clamping groove clamped with the plug-in column is provided on the interior of the plug-in hole, the plug-in column comprises a plug-in cylinder integrally arranged with the bottom of the mounting groove, a connecting ring tightly attached to the bottom of the mounting groove is integrally arranged inside the plug-in cylinder, an elastic column is fixedly connected to the side of the connecting ring away from the mounting groove, and the other end of the elastic column is integrally connected with a clamping joint fixedly clamped with the clamping groove.

[0007] Optionally, a guiding bevel is provided on the outer side of the elastic column, a movable ring is sleeved on the outside of the elastic column, the outer circumference of the movable ring is slidably connected to the inner wall of the plug-in cylinder, and the inner side of the movable ring is in sliding contact with the guiding bevel of the elastic column.

[0008] Optionally, the card joint and the plug-in cylinder are arranged to penetrate each other, and the inner side of the movable ring is integrally connected with a connecting rod located between adjacent elastic columns, and the end of the connecting rod is connected with a button.

[0009] Optionally, the ends of several connecting rods are integrally connected, the button is coaxially arranged with the movable ring and the plug-in cylinder, and the top of the button is flush with the top of the plug-in cylinder.

[0010] Optionally, the length of the plug-in column is the same as the thickness of the guardrail, the depth of the installation groove is the same as the thickness of the guardrail, and the installation groove is symmetrically arranged on the front and rear sides of the vertical pole.

[0011] Optionally, the bottom of the fixed base is provided with expansion bolts fixed to the ground, and the top of the fixed base is provided with a plug-in groove.

[0012] Optionally, the plug-in slot formed on the fixed base is provided with an anti-mistake groove matching the outer wall of the fixed plug-in, and a fixing cap is fixedly installed on the top of the adjacent and tightly attached vertical poles.

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

[0014] 1. The road foundation pit safety protection device is provided with a fixed base and a guardrail, the fixed base is fixed to the four sides of the foundation pit by expansion bolts, the vertical pole is plugged into the top of the fixed base by a fixing plug-in, the guardrail is installed in the installation groove of the vertical pole and fixed by a plug-in column, and the adjacent guardrails are spliced, so that the road foundation pit safety protection device is easy to clip, thereby improving the convenience of the protection device when used.

[0015] 2. The road foundation pit safety protection device is provided with a plug-in column. When installing the guardrail, the plug-in cylinder is inserted into the plug-in hole. Under the action of the elastic column, the card joint and the card groove are carded, and the guardrail and the pull rod are installed. When removing the guardrail, the button is pressed to move the movable ring and squeeze the elastic column, so that the elastic column drives the card joint to shrink into the inside of the plug-in cylinder, thereby loosening the card joint and the card groove, facilitating the removal of the guardrail, realizing the function of easy installation and disassembly, thereby improving the practicality during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a road foundation pit safety protection device of the utility model;

[0017] Figure 2 The utility model is a road foundation pit safety protection device Figure 1 The enlarged view of point A in the middle;

[0018] Figure 3 This is a structural schematic diagram of a plug-in column of a road foundation pit safety protection device of the utility model;

[0019] Figure 4The utility model is a schematic structural diagram of a plug-in cylinder of a road foundation pit safety protection device.

[0020] In the figure: 1. fixed base; 2. fixed plug-in; 3. vertical pole; 4. mounting groove; 5. plug-in column; 51. plug-in cylinder; 52. connecting ring; 53. elastic column; 54. clamping joint; 55. movable ring; 56. connecting rod; 57. button; 6. fixing cap; 7. guardrail; 8. plug-in hole; 9. clamping groove. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figures 1 to 4 The utility model provides a road foundation pit safety protection device, including a fixed base 1, a fixed plug-in 2 is fixedly plugged into the top of the fixed base 1, a vertical pole 3 is integrally connected to the top of the fixed plug-in, a mounting groove 4 is provided on the front and rear sides of the vertical pole 3, a plug-in column 5 is integrally provided at the bottom of the mounting groove 4, a guardrail 7 is fixedly installed inside the mounting groove 4 through the plug-in column 5, plug-in holes 8 are provided on the four sides of the guardrail 7, a plug-in slot 9 for plugging with the plug-in column 5 is provided inside the plug-in hole 8, the plug-in column 5 includes a plug-in cylinder 51 integrally provided with the bottom of the mounting groove 4, and a plug-in cylinder 51 is integrally provided with a plug-in column 51 that is tightly attached to the bottom of the mounting groove 4 A connecting ring 52 is provided, and an elastic column 53 is fixedly connected to one side of the connecting ring 52 away from the mounting groove 4. The other end of the elastic column 53 is integrally connected to a clamping joint 54 fixedly clamped with the clamping groove 9. By setting a fixed base 1 and a guardrail 7, the fixed base 1 is fixed to the four sides of the foundation pit by expansion bolts, and then the vertical pole 3 is plugged into the top of the fixed base 1 through the fixing plug-in 2, and then the guardrail 7 is installed in the mounting groove 4 of the vertical pole 3 and fixed by the plug-in column 5, and the adjacent guardrails 7 are spliced, so that the function of facilitating clamping of the road foundation pit safety protection device is realized, thereby improving the convenience of using the protection device.

[0023] The outer side surface of the elastic column 53 is provided with a guiding inclined surface, and the outer surface of the elastic column 53 is sleeved with a movable ring 55. The outer circumference of the movable ring 55 is slidably connected to the inner wall of the plug-in cylinder 51, and the inner side of the movable ring 55 is in sliding contact with the guiding inclined surface of the elastic column 53. The clamping joint 54 is arranged through the plug-in cylinder 51. The inner side of the movable ring 55 is integrally connected with a connecting rod 56 located between adjacent elastic columns 53. The end of the connecting rod 56 is connected to a button 57. The ends of several connecting rods 56 are integrally connected. The button 57 is coaxially arranged with the movable ring 55 and the plug-in cylinder 51, and the top of the button 57 is connected to the plug-in cylinder 51. The top of the connecting cylinder 51 is flush with the plug-in column 5. When installing the guardrail 7, the connecting cylinder 51 is inserted into the plug-in hole 8. Under the action of the elastic column 53, the clamping joint 54 is clamped with the clamping groove 9, and the guardrail 7 and the pull rod are installed. When removing the guardrail 7, the button 57 is pressed to move the movable ring 55 and squeeze the elastic column 53, so that the elastic column 53 drives the clamping joint 54 to shrink into the inside of the connecting cylinder 51, thereby loosening the clamping joint 54 and the clamping groove 9, facilitating the removal of the guardrail 7, realizing the function of easy installation and disassembly, and improving the practicality during use.

[0024] The length of the plug-in column 5 is the same as the thickness of the guardrail 7 , the depth of the mounting groove 4 is the same as the thickness of the guardrail 7 , and the mounting groove 4 is symmetrically arranged on the front and rear sides of the upright pole 3 .

[0025] The bottom of the fixed base 1 is provided with expansion bolts fixed to the ground, the top of the fixed base 1 is provided with a plug-in slot, the inside of the plug-in slot provided with the fixed base 1 is provided with an anti-misalignment slot matching the outer wall of the fixed plug-in 2, and the top of the adjacent and tightly attached vertical pole 3 is fixedly installed with a fixing cap 6.

[0026] Working principle:

[0027] The fixed base 1 is fixed around the foundation pit by expansion bolts, and then the vertical pole 3 is plugged into the top of the fixed base 1 through the fixing plug-in 2, and then the guardrail 7 is installed in the installation groove 4 of the vertical pole 3 and fixed through the plug-in column 5, so that the clamping joint 54 is clamped with the clamping groove 9, the guardrail 7 is installed with the pull rod, and the adjacent guardrails 7 are spliced, which improves the convenience of using the protective device. When removing the guardrail 7, press the button 57 to move the movable ring 55 and squeeze the elastic column 53, so that the elastic column 53 drives the clamping joint 54 to shrink into the inside of the plug-in cylinder 51, thereby loosening the clamping joint 54 and the clamping groove 9, facilitating the removal of the guardrail 7, realizing the function of easy installation and disassembly, thereby improving the practicality during use.

[0028] 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 these 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 road foundation pit safety protection device, comprising a fixed base (1), characterized in that: The top of the fixed base (1) is fixedly plugged with a fixed plug-in unit (2), the top of the fixed plug-in unit is integrally connected with a vertical pole (3), the front and rear sides of the vertical pole (3) are provided with mounting grooves (4), the bottom of the mounting groove (4) is integrally provided with a plug-in column (5), the inside of the mounting groove (4) is fixedly installed with a guardrail (7) through the plug-in column (5), the four sides of the guardrail (7) are provided with plug-in holes (8), and the inside of the plug-in hole (8) is provided with a plug-in column (5) for connecting with the guardrail (7). The plug-in column (5) is engaged with a clamping groove (9), the plug-in column (5) comprising a plug-in cylinder (51) integrally arranged with the bottom of the mounting groove (4), a connecting ring (52) tightly attached to the bottom of the mounting groove (4) being integrally arranged inside the plug-in cylinder (51), an elastic column (53) being fixedly connected to the side of the connecting ring (52) away from the mounting groove (4), and the other end of the elastic column (53) being integrally connected to a clamping joint (54) fixedly engaged with the clamping groove (9).

2. A road foundation pit safety protection device according to claim 1, characterized in that: The outer side surface of the elastic column (53) is provided with a guiding inclined surface, and the outer surface of the elastic column (53) is sleeved with a movable ring (55), the outer peripheral surface of the movable ring (55) is slidably connected to the inner wall of the plug-in cylinder (51), and the inner side surface of the movable ring (55) is in sliding contact with the guiding inclined surface of the elastic column (53).

3. A road foundation pit safety protection device according to claim 2, characterized in that: The clamping joint (54) is intersected with the plug-in cylinder (51), and the inner side of the movable ring (55) is integrally connected with a connecting rod (56) located between adjacent elastic columns (53), and the end of the connecting rod (56) is connected with a button (57).

4. A road foundation pit safety protection device according to claim 3, characterized in that: The ends of the plurality of connecting rods (56) are integrally connected, the button (57) is coaxially arranged with the movable ring (55) and the plug-in cylinder (51), and the top of the button (57) is flush with the top of the plug-in cylinder (51).

5. A road foundation pit safety protection device according to claim 1, characterized in that: The length of the plug-in column (5) is the same as the thickness of the guardrail (7), the depth of the installation groove (4) is the same as the thickness of the guardrail (7), and the installation groove (4) is symmetrically arranged on the front and rear sides of the vertical pole (3).

6. A road foundation pit safety protection device according to claim 1, characterized in that: The bottom of the fixed base (1) is provided with expansion bolts fixed to the ground, and the top of the fixed base (1) is provided with a plug-in slot.

7. A road foundation pit safety protection device according to claim 2, characterized in that: The interior of the plug-in slot provided in the fixed base (1) is provided with an anti-misalignment slot matching the outer wall of the fixed plug-in unit (2), and a fixing cap (6) is fixedly installed on the top of the adjacent and tightly attached vertical pole (3).