Safety protection fence for deep foundation pit excavation

Abstract

The utility model relates to the technical field of deep foundation pit excavation, in particular to a safety protection fence for deep foundation pit excavation. Comprising a safety protection fence body, and a convex long plate is fixedly mounted at the top of the safety protection fence body; an overall installation assembly and a bottom reinforcing assembly are fixedly installed at the bottom of the safety protection fence body, a left side reinforcing assembly is fixedly installed on the left side of the convex long plate, and a right side reinforcing assembly is fixedly installed on the right side of the convex long plate. A front side part reinforcing assembly is fixedly mounted on the front side of the convex long plate, and a rear side part reinforcing assembly is fixedly mounted on the rear side of the convex long plate; protection assemblies are fixedly mounted on the front side and the rear side of the safety protection fence main body, a first limiting assembly is fixedly mounted on the top of the convex long plate, and second limiting assemblies are fixedly mounted on the front side and the rear side of the safety protection fence main body; the technical problems of poor stability and short service life are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of deep foundation pit excavation, in particular to a safety protection fence used for deep foundation pit excavation. Background Art

[0002] A deep foundation pit refers to a project with an excavation depth of more than 5 meters (including 5 meters) or a project with a depth of less than 5 meters but with particularly complex geological conditions, surrounding environment and underground pipelines. During the excavation of a deep foundation pit, in order to prevent outsiders from entering the deep foundation pit construction site and accidentally falling into the deep foundation pit, a safety fence must be used at the deep foundation pit excavation site to warn outsiders. Therefore, a safety fence for deep foundation pit excavation is needed.

[0003] The Chinese patent with the announcement number CN218061834U discloses a safety protection fence for deep foundation pit excavation, including a plurality of guardrails connected in sequence, a plug plate is arranged on one side of the guardrail, a slot is provided on the side of the guardrail away from the plug plate, and the plug plate is plugged into the slot of another guardrail; a first limiting hole is provided on the plug plate, a limiting rod is inserted into the first limiting hole, a second limiting hole is provided on the side of the guardrail close to the slot, and when the plug plate is plugged into the slot of another guardrail, the limiting rod is inserted into the second limiting hole. The application has the effect of easy disassembly and convenient transportation.

[0004] However, in this patent, when it is installed on the ground, since it is fixed on the ground by a supporting base and expansion bolts, and it is a vertical structure, it is only fixed on the ground by the bottom to achieve the effect of being fixed on the ground as a whole, so that its left side, right side, front side and rear side are still not fixed. If it encounters windy weather, it may shake, reducing its stability. In addition, in this patent, since it is exposed to the deep foundation pit excavation, it is easy for dust, soil and other pollutants to adhere to its interior, which may aggravate its rust and shorten its service life. Utility Model Content

[0005] The utility model provides a safety protection fence for deep foundation pit excavation to solve the problems of poor stability and short service life in the prior art, which can improve stability and prolong service life.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a safety protection fence for deep foundation pit excavation, comprising a safety protection fence main body, a convex long plate fixedly installed on the top of the safety protection fence main body; an overall installation component fixedly installed on the bottom of the safety protection fence main body for fixing the bottom of the safety protection fence main body on the ground, a bottom reinforcement component fixedly installed on the bottom of the safety protection fence main body for increasing the firmness of the bottom of the safety protection fence main body on the ground, a left side reinforcement component fixedly installed on the left side of the convex long plate for increasing the firmness of the safety protection fence main body on the ground by indirectly fixing the left side of the safety protection fence main body on the ground, and a left side reinforcement component fixedly installed on the right side of the convex long plate for fixing the safety protection fence main body on the ground by fixing the left side of the safety protection fence main body on the ground The right side is indirectly fixedly installed on the ground to increase the firmness of the entire safety protection fence body on the ground. The front side of the convex long plate is fixedly installed with a front side reinforcement component which increases the firmness of the entire safety protection fence body on the ground by indirectly fixing the front side of the safety protection fence body on the ground. The rear side of the convex long plate is fixedly installed with a rear side reinforcement component which increases the firmness of the entire safety protection fence body on the ground by indirectly fixing the rear side of the safety protection fence body on the ground. The front and rear sides of the safety protection fence body are fixedly installed with protection components for protecting the safety protection fence body. The top of the convex long plate is fixedly installed with a first limiting component of the limiting protection component, and the front and rear sides of the safety protection fence body are fixedly installed with a second limiting component of the limiting protection component.

[0007] Furthermore, the overall installation assembly includes a mounting square plate, the top of which is fixedly mounted on the bottom of the safety protection fence body, and the internal threads of the mounting square plate are connected with mounting screws.

[0008] Furthermore, the bottom reinforcement component includes a supporting long plate, the top of the supporting long plate is fixedly installed on the bottom of the safety protection fence body, and the bottom of the supporting long plate is fixedly connected with a plurality of limiting cones.

[0009] Furthermore, the left side reinforcement assembly includes a second L-shaped rod, the right side of the second L-shaped rod is fixedly mounted on the left side of the convex long plate, and the rod body of the second L-shaped rod is internally threadedly connected with a second mounting bolt.

[0010] Furthermore, the right side reinforcement assembly includes a fourth L-shaped rod, the left side of the fourth L-shaped rod is fixedly installed on the right side of the convex long plate, and the rod body of the fourth L-shaped rod is internally threadedly connected with a fourth mounting bolt.

[0011] Furthermore, the front side reinforcement assembly includes a third L-shaped rod, the rear side of the third L-shaped rod is fixedly mounted on the front side of the convex long plate, and the inner thread of the third L-shaped rod is connected with a third mounting bolt.

[0012] Furthermore, the rear side reinforcement assembly includes a first L-shaped rod, the front side of the first L-shaped rod is fixedly mounted on the rear side of the convex long plate, and the internal thread of the first L-shaped rod is connected with a first mounting bolt.

[0013] Furthermore, the protection component includes four support blocks, the rear sides of two of the support blocks are fixedly installed on the front side of the safety protection fence body, and the front sides of the other two support blocks are fixedly installed on the rear side of the safety protection fence body. A support shaft is fixedly connected between the two support blocks and between the other two support blocks. A protection long plate is rotatably connected to the outer surface of the support shaft. The protection long plate is rotatably connected to the safety protection fence body and the support blocks respectively. Threaded grooves are provided on the left and right sides of the protection long plate, and an arc groove is provided on one side of the protection long plate.

[0014] Furthermore, the first limiting assembly includes a connecting long rod, the bottom of which is fixedly installed on the top of the convex long plate, and the left and right sides of the connecting long rod are fixedly connected with supporting long rods, which are respectively fixedly connected to the third L-shaped rod, the first L-shaped rod and the convex long plate, and the internal thread of the supporting long rod is connected with a limiting bolt, and the limiting bolt is threadedly connected to the thread groove.

[0015] Furthermore, the second limiting assembly includes four supporting poles, the rear sides of two of the supporting poles are fixedly installed on the front side of the safety protection fence body, the front sides of the other two supporting poles are fixedly installed on the rear side of the safety protection fence body, and one side of the supporting pole is fixedly connected to the limiting column.

[0016] The working principle and use principle of the utility model are as follows: in the process of using the device, the safety protection fence main body can be fixedly installed on the ground as a whole by fixing the bottom of the safety protection fence main body on the ground through the setting of the overall installation component, and the bottom reinforcement component, the left side reinforcement component, the right side reinforcement component, the front side reinforcement component and the rear side reinforcement component are set to increase the firmness of the bottom of the safety protection fence main body on the ground, so that the left side, the right side, the front side and the rear side of the safety protection fence main body can be indirectly fixedly installed on the ground, so that the overall firmness of the safety protection fence main body on the ground can be increased, and in windy weather, the safety protection fence can be The guardrail body can avoid shaking, so that the device can avoid reducing stability due to shaking of the safety protection fence body, so that the device can improve stability, and in the process of using the device, through the setting of the safety protection fence body, the device can perform safety protection, and through the setting of the protection component, the first limit component and the second limit component, in the case of deep foundation pit excavation, the interior of the safety protection fence body can be closed, so that the interior of the safety protection fence body can avoid rusting due to the adhesion of pollutants such as dust and soil, so that the device can avoid shortening the service life due to rusting inside the safety protection fence body, so that the service life of the device can be extended.

[0017] The beneficial technical effects of the utility model are:

[0018] By setting up the overall installation component, the main body of the safety protection fence can be fixedly installed on the ground as a whole. By setting up the bottom reinforcement component, the left side reinforcement component, the right side reinforcement component, the front side reinforcement component and the rear side reinforcement component, the overall firmness of the main body of the safety protection fence on the ground can be increased. In windy weather, the stability of the device can be improved. By setting up the main body of the safety protection fence, the device can perform safety protection. By setting up the protection component, the first limit component and the second limit component, the interior of the main body of the safety protection fence can be closed, so that the service life of the device can be extended. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Other features, objectives and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings.

[0020] Figure 1 It is a frontal stereoscopic schematic diagram of the utility model.

[0021] Figure 2 It is a three-dimensional schematic diagram of the protective long board of the utility model.

[0022] Figure 3It is a three-dimensional schematic diagram of the second L-shaped rod of the utility model.

[0023] Figure 4 It is a three-dimensional schematic diagram of the main body of the safety protection fence of the utility model.

[0024] Figure 5 It is a three-dimensional schematic diagram of a convex long plate of the utility model.

[0025] Figure 6 It is a rear-view stereoscopic schematic diagram of the utility model.

[0026] Explanation of the numbers in the figure: 1. First mounting bolt; 2. First L-shaped rod; 3. Second mounting bolt; 4. Second L-shaped rod; 5. Third mounting bolt; 6. Third L-shaped rod; 7. Limit cone; 8. Support long plate; 9. Mounting square plate; 10. Mounting screw; 11. Safety protection fence body; 12. Limit column; 13. Support vertical pole; 14. Connecting long rod; 15. Support block; 16. Support long rod; 17. Limit bolt; 18. Arc groove; 19. Protection long plate; 20. Convex long plate; 21. Support shaft; 22. Fourth mounting bolt; 23. Fourth L-shaped rod; 24. Threaded groove. DETAILED DESCRIPTION

[0027] The following is a further description of the utility model of a safety protection fence for deep foundation pit excavation in conjunction with the accompanying drawings and specific embodiments.

[0028] like Figures 1 to 6As shown, a safety protection fence for deep foundation pit excavation includes a safety protection fence body 11, a mounting square plate 9, a supporting long plate 8, a second L-shaped rod 4, a fourth L-shaped rod 23, a third L-shaped rod 6 and a first L-shaped rod 2. A convex long plate 20 is fixedly installed on the top of the safety protection fence body 11, a mounting screw 10 is connected to the inner thread of the mounting square plate 9, a plurality of limiting cones 7 are fixedly connected to the bottom of the supporting long plate 8, a second mounting bolt 3 is connected to the inner thread of the rod body of the second L-shaped rod 4, a fourth mounting bolt 22 is connected to the inner thread of the rod body of the fourth L-shaped rod 23, and the inner thread of the third L-shaped rod 6 is connected to the inner thread of the rod body of the fourth L-shaped rod 23. The third mounting bolt 5 is threadedly connected, and the first mounting bolt 1 is internally threadedly connected to the first L-shaped rod 2. Through the setting of the overall mounting assembly, the safety protection fence main body 11 can be fixedly installed on the ground by fixing the bottom of the safety protection fence main body 11 on the ground. Through the setting of the bottom reinforcement assembly, the left side reinforcement assembly, the right side reinforcement assembly, the front side reinforcement assembly and the rear side reinforcement assembly, the bottom reinforcement assembly can increase the firmness of the bottom of the safety protection fence main body 11 on the ground, and the left side reinforcement assembly can be fixedly installed on the ground by fixing the bottom of the safety protection fence main body 11 on the ground. The left side of the protection fence body 11 is indirectly fixed to the ground to increase the firmness of the entire safety protection fence body 11 on the ground, so that the right side reinforcement component can be indirectly fixed to the ground by the right side of the safety protection fence body 11 to increase the firmness of the entire safety protection fence body 11 on the ground, so that the front side reinforcement component can be indirectly fixed to the ground by the front side of the safety protection fence body 11 to increase the firmness of the entire safety protection fence body 11 on the ground, so that the rear side reinforcement component can be indirectly fixed to the rear side of the safety protection fence body 11 The safety protection fence body 11 is directly fixed on the ground to increase the firmness of the whole safety protection fence body 11 on the ground, so that the firmness of the bottom of the safety protection fence body 11 on the ground can be increased, and the left side, right side, front side and rear side of the safety protection fence body 11 can be indirectly fixed on the ground, so that the firmness of the whole safety protection fence body 11 on the ground can be increased. In windy weather, the safety protection fence body 11 can be prevented from shaking, so that the device can avoid reducing stability due to shaking of the safety protection fence body 11, and the stability of the device can be improved.

[0029] When in use, the initial state of the device is: one end of the mounting screw 10 is located inside the mounting square plate 9, one end of the first mounting bolt 1 is located inside the rod body of the first L-shaped rod 2, one end of the second mounting bolt 3 is located inside the rod body of the second L-shaped rod 4, one end of the third mounting bolt 5 is located inside the rod body of the third L-shaped rod 6, one end of the fourth mounting bolt 22 is located inside the rod body of the fourth L-shaped rod 23, and the limiting bolt 17 is threadedly connected with the thread groove 24. During the excavation of a deep foundation pit, before using the device for safety protection, the device must be installed on the ground, and the device must be moved so that the multiple limiting cones 7 are all inserted into the ground, and the bottom of the supporting long plate 8, the bottom of the mounting square plate 9, the bottom of the first L-shaped rod 2, and the bottom of the second L-shaped The bottom of the rod 4, the bottom of the third L-shaped rod 6 and the bottom of the fourth L-shaped rod 23 are all in contact with the ground. The mounting screw 10 is rotated to rotate and move downward along the mounting square plate 9. When the mounting screw 10 is rotated and moved downward to the maximum distance along the mounting square plate 9, one end of the mounting screw 10 is inserted into the ground. At this time, the bottom of the safety protection fence main body 11 can be fixedly installed on the ground as a whole, and under the action of the supporting long plate 8 and multiple limiting cones 7, the firmness of the bottom of the safety protection fence main body 11 on the ground can be increased. The second mounting bolt 3 is rotated to rotate and move downward along the second L-shaped rod 4. When the second mounting bolt When the second L-shaped rod 4 is rotated and moved downward to the maximum distance, one end of the second mounting bolt 3 is inserted into the ground, and the left side of the safety fence body 11 can be indirectly fixed on the ground. The fourth mounting bolt 22 is rotated to rotate and move downward along the fourth L-shaped rod 23. When the fourth mounting bolt 22 is rotated and moved downward along the fourth L-shaped rod 23 to the maximum distance, one end of the fourth mounting bolt 22 is inserted into the ground, and the right side of the safety fence body 11 can be indirectly fixed on the ground. The third mounting bolt 5 is rotated to rotate and move downward along the third L-shaped rod 6. When the third mounting bolt 5 is rotated and moved downward along the third L-shaped rod 6 to the maximum distance, the third mounting bolt 5 is inserted into the ground. When the distance is reached, one end of the third mounting bolt 5 is inserted into the ground, and at this time the front side of the safety protection fence main body 11 can be indirectly fixedly installed on the ground, and the first mounting bolt 1 is rotated to make the first mounting bolt 1 rotate and move downward along the first L-shaped rod 2. When the first mounting bolt 1 rotates and moves downward along the first L-shaped rod 2 to the maximum distance, one end of the first mounting bolt 1 is inserted into the ground, and at this time the rear side of the safety protection fence main body 11 can be indirectly fixedly installed on the ground. In summary, the device can be installed on the ground at this time. In the process of installing the device on the ground, the safety protection fence main body 11 can be fixedly installed on the ground as a whole, and the firmness of the bottom of the safety protection fence main body 11 on the ground can be increased.The left side, right side, front side and rear side of the safety fence body 11 can be indirectly fixed on the ground, so that the overall firmness of the safety fence body 11 on the ground can be increased, and in windy weather, the safety fence body 11 can be prevented from shaking, so that the device can avoid the reduction of stability due to the shaking of the safety fence body 11, so that the device can improve stability.

[0030] like Figures 1 to 6 As shown: a safety protection fence for deep foundation pit excavation, including a safety protection fence body 11, four support blocks 15, a connecting long rod 14 and four support uprights 13, a convex long plate 20 is fixedly installed on the top of the safety protection fence body 11, a support shaft 21 is fixedly connected between two of the support blocks 15 and between the other two of the support blocks 15, the outer surface of the support shaft 21 is rotatably connected with a protection long plate 19, the left and right sides of the protection long plate 19 are provided with a threaded groove 24, one side of the protection long plate 19 is provided with an arc groove 18, the number of the protection long plates 19 is two, the left and right sides of the connecting long rod 14 are fixedly connected with a support long rod 16, the internal thread connection of the support long rod 16 is connected with a limit bolt 17, the limit bolt 17 is threadedly connected with the threaded groove 24, and one side of the support upright 13 is connected with a limit bolt 17. The side is fixedly connected with a limiting column 12, and the limiting column 12 is movably connected with the arc groove 18. Through the setting of the safety protection fence main body 11, the device can perform safety protection. Through the setting of the protection component, the first limiting component and the second limiting component, the protection component can protect the safety protection fence main body 11, and the first limiting component and the second limiting component can both limit the safety protection fence main body 11. In the case of deep foundation pit excavation, the interior of the safety protection fence main body 11 can be closed, so that the interior of the safety protection fence main body 11 can avoid rusting due to the adhesion of pollutants such as dust and soil, so that the device can avoid shortening the service life due to the rusting of the interior of the safety protection fence main body 11, and the device can extend the service life.

[0031] When in use, after installing the device on the ground, rotate the limit bolt 17 to disconnect the limit bolt 17 from the supporting long rod 16 and make one end of the limit bolt 17 located inside the supporting long rod 16, and at the same time rotate the two protection long plates 19 to make the protection long plates 19 rotate along the safety protection fence body 11, the support block 15 and the support shaft 21 respectively. When the two protection long plates 19 are rotated to the maximum angle, the two protection long plates 19 cover the safety protection fence body 11 and the limit column 12 enters the arc groove 18. Under the action of the two protection long plates 19, the safety protection fence body 11 is The interior of the full protection fence body 11 is in a closed state. At this time, under the action of the safety protection fence body 11, the present device can be used for safety protection. In the case of deep foundation pit excavation, during the process of using the present device for safety protection, the interior of the safety protection fence body 11 can be closed, so that the interior of the safety protection fence body 11 can avoid rusting due to the adhesion of pollutants such as dust and soil, so that the present device can avoid shortening the service life due to rusting inside the safety protection fence body 11, so that the present device can extend the service life.

[0032] In this embodiment, the arc groove 18 is located above the thread groove 24, and the bottom of the protective long plate 19 is an arc surface.

Claims

1. A safety protection fence for deep foundation pit excavation, comprising a safety protection fence body (11), a convex long plate (20) being fixedly mounted on the top of the safety protection fence body (11); characterized in that The bottom of the safety protection fence body (11) is fixedly installed with an overall installation component that fixes the bottom of the safety protection fence body (11) on the ground, and the bottom of the safety protection fence body (11) is fixedly installed with a bottom reinforcement component that increases the firmness of the bottom of the safety protection fence body (11) on the ground. The left side of the convex long plate (20) is fixedly installed with a left side reinforcement component that indirectly fixes the left side of the safety protection fence body (11) on the ground, and the right side of the convex long plate (20) is fixedly installed with a right side reinforcement component that indirectly fixes the right side of the safety protection fence body (11) on the ground, and the firmness of the safety protection fence body (11) on the ground is increased. The convex long plate (20) is fixedly installed with a front side reinforcement component that increases the overall firmness of the safety protection fence body (11) on the ground by indirectly fixing the front side of the safety protection fence body (11) on the ground, and the rear side of the convex long plate (20) is fixedly installed with a rear side reinforcement component that increases the overall firmness of the safety protection fence body (11) on the ground by indirectly fixing the rear side of the safety protection fence body (11) on the ground; the front and rear sides of the safety protection fence body (11) are fixedly installed with protection components that protect the safety protection fence body (11), the top of the convex long plate (20) is fixedly installed with a first limit component of the limit protection component, and the front and rear sides of the safety protection fence body (11) are fixedly installed with a second limit component of the limit protection component.

2. A safety protection fence for deep foundation pit excavation according to claim 1, characterized in that: The overall installation assembly comprises a mounting square plate (9), the top of which is fixedly mounted on the bottom of the safety protection fence body (11), and the internal threads of the mounting square plate (9) are connected with mounting screws (10).

3. The safety protection fence for deep foundation pit excavation according to claim 1 is characterized by: The bottom reinforcement component comprises a supporting long plate (8), the top of the supporting long plate (8) is fixedly mounted on the bottom of the safety protection fence body (11), and the bottom of the supporting long plate (8) is fixedly connected to a plurality of limiting cones (7).

4. A safety protection fence for deep foundation pit excavation according to claim 1, 2 or 3, characterized in that: The left side reinforcement assembly comprises a second L-shaped rod (4), the right side of the second L-shaped rod (4) is fixedly mounted on the left side of the convex long plate (20), and the rod body of the second L-shaped rod (4) is internally threadedly connected with a second mounting bolt (3).

5. A safety protection fence for deep foundation pit excavation according to claim 1, 2 or 3, characterized in that: The right side reinforcement assembly comprises a fourth L-shaped rod (23), the left side of the fourth L-shaped rod (23) is fixedly mounted on the right side of the convex long plate (20), and the rod body of the fourth L-shaped rod (23) is internally threadedly connected with a fourth mounting bolt (22).

6. The safety protection fence for deep foundation pit excavation according to claim 1, characterized in that: The front side reinforcement assembly comprises a third L-shaped rod (6), the rear side of the third L-shaped rod (6) is fixedly mounted on the front side of the convex long plate (20), and the inner thread of the third L-shaped rod (6) is connected to a third mounting bolt (5).

7. The safety protection fence for deep foundation pit excavation according to claim 1, characterized in that: The rear side reinforcement assembly comprises a first L-shaped rod (2), the front side of the first L-shaped rod (2) being fixedly mounted on the rear side of the convex long plate (20), and the internal thread of the first L-shaped rod (2) being connected with a first mounting bolt (1).

8. The safety protection fence for deep foundation pit excavation according to claim 1, characterized in that: The protection component comprises four support blocks (15), the rear sides of two of the support blocks (15) are fixedly mounted on the front side of the safety protection fence body (11), the front sides of the other two of the support blocks (15) are fixedly mounted on the rear side of the safety protection fence body (11), a support shaft (21) is fixedly connected between the two support blocks (15) and between the other two of the support blocks (15), a protection long plate (19) is rotatably connected to the outer surface of the support shaft (21), the protection long plate (19) is rotatably connected to the safety protection fence body (11) and the support blocks (15), a threaded groove (24) is provided on the left and right sides of the protection long plate (19), and an arc groove (18) is provided on one side of the protection long plate (19).

9. A safety protection fence for deep foundation pit excavation according to claim 1, 2, 3, 6, 7 or 8, characterized in that: The first limiting assembly comprises a connecting rod (14), the bottom of the connecting rod (14) being fixedly mounted on the top of the convex long plate (20), the left side and the right side of the connecting rod (14) being fixedly connected to supporting rods (16), the supporting rod (16) being respectively fixedly connected to the third L-shaped rod (6), the first L-shaped rod (2) and the convex long plate (20), the internal thread of the supporting rod (16) being connected to a limiting bolt (17), and the limiting bolt (17) being threadedly connected to the thread groove (24).

10. A safety protection fence for deep foundation pit excavation according to claim 1, 2, 3, 6, 7 or 8, characterized in that: The second limiting assembly comprises four supporting uprights (13), the rear sides of two of the supporting uprights (13) being fixedly mounted on the front side of the safety protection fence body (11), the front sides of the other two of the supporting uprights (13) being fixedly mounted on the rear side of the safety protection fence body (11), and one side of the supporting uprights (13) being fixedly connected to the limiting column (12).

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