Foundation pit safety protection device for municipal road engineering building construction

Abstract

The foundation pit safety protection device for municipal road engineering building construction comprises a stand column, an arc-shaped plate and a supporting rod, the interior of the stand column is rotationally connected with a rotating rod through a bearing, a movable rod is inserted into the top end of the rotating rod, limiting blocks are integrally connected to the outer walls of the two sides of the movable rod, and limiting grooves are formed in the outer walls of the two sides of the rotating rod; and the limiting blocks are slidably connected into the limiting grooves, and first springs connected with the movable rods are arranged on the inner walls of the bottoms of the limiting grooves. The device has the beneficial effects that the rocker is rotated to drive the rope winding roller to rotate to wind the tightening rope, the stand column connected with one end of the tightening rope can be close to the stand column where the rope winding roller is located, when the rocker is loosened, the tension of the first spring pulls the movable rod to move downwards, the inserting rod is inserted into the inserting hole, and the four stand columns can be close to each other and attached to each other through the same method; the foundation pit safety protection device is a condensed whole, and the foundation pit safety protection device for municipal road engineering building construction is convenient to store and carry.

Description

Technical Field

[0001] The invention relates to the technical field of municipal road engineering, and in particular to a foundation pit safety protection device for municipal road engineering construction. Background Art

[0002] Municipal road engineering refers to the construction and maintenance of roads in cities or urban areas. It involves the planning, design, construction and management of urban infrastructure to meet people's needs for transportation. Municipal road engineering mainly includes the following contents: road planning, road design, road construction, road facility construction. During the construction of municipal road engineering, foundation pits will be dug. The foundation pit is an earth pit excavated at the design location of the road construction foundation according to the base elevation and foundation plane size. The foundation pit protection device is to protect the safety of underground structure construction and the surrounding environment of the foundation pit. It is a support, reinforcement and protection measure for the side walls of the foundation pit and the surrounding environment.

[0003] For example, a municipal road foundation pit safety protection device with application number CN210316827U includes two fixed columns, the bottom of each of the fixed columns is fixedly installed with a mounting plate, the left and right sides of each of the fixed columns are provided with connecting ports, the tops of each of the fixed columns are inserted with connecting columns that pass through the connecting ports in sequence, and the left and right sides of each of the connecting columns are movably installed with limit plates, the side of each of the limit plates close to the fixed columns is fixedly installed with a connecting block that extends to the inside of the connecting port and is sleeved on the outside of the connecting column, and the side of each of the limit plates away from the fixed columns is provided with a limiting groove.

[0004] As mentioned above and in the prior art, after the foundation pit safety protection device is disassembled after use, the columns are separated from each other, which is inconvenient to store and transport. Therefore, it is urgent to design a foundation pit safety protection device for municipal road engineering construction to solve the above problems. Summary of the invention

[0005] The purpose of the present invention is to provide a foundation pit safety protection device for municipal road engineering construction to solve the above-mentioned deficiencies in the prior art.

[0006] In order to achieve the above object, the present invention provides the following technical solutions: The top of the column is provided with a plug hole, and the plug hole is inserted into the inside of the plug hole. A rocker arm is welded on the outer wall of the top of the rotary rod, and an anti-slip sheath is sleeved on the outside of the rocker arm. A plurality of rope collecting rollers are welded on the outer wall of the rotary rod, and a tightening rope is wound around the outside of the rope collecting roller. One end of the tightening rope is fixed on the outer wall of the rope collecting roller, and the other end of the tightening rope is arranged on the outer wall of the column. The tightening rope passes through the column.

[0007] Furthermore, a fixed cone is welded to the bottom of the outer wall on one side of the column, and a moving block is slidably connected inside the fixed cone. Guide rods are welded to the inner walls on both sides of the fixed cone, and the moving block is slidably sleeved on the outside of the guide rods.

[0008] Furthermore, a plurality of reinforcing rods are welded on the outer wall of one side of the moving block, a groove is provided on the outer wall of one side of the moving block, and a spring 2 connected to the inner wall of the fixed cone is provided on the inner wall of the groove.

[0009] Furthermore, an extrusion screw is inserted into the top thread of the fixed cone, and an extrusion block is welded to the bottom end of the extrusion screw, and the extrusion block and the moving block are abutted against each other.

[0010] Furthermore, a plurality of sleeve rods are threadedly inserted on the outer wall of one side of the column, and a plurality of extension rods are threadedly inserted on the outer wall of one side of the column, and the extension rods are inserted outside the sleeve rods.

[0011] Furthermore, a fixing ring is welded to one end of the sleeve rod, and the extension rod passes through the fixing ring.

[0012] Furthermore, the arc plate is located inside the fixing ring, and a clamping block is integrally connected to the outer wall of one side of the arc plate, and a plurality of clamping grooves with equal distance structure are formed on the outer walls on both sides of the extension rod, and the clamping block is clamped inside the clamping groove.

[0013] Furthermore, a connecting plate is welded on the outer wall at the top of the arc-shaped plate, and the two connecting plates are distributed in a cross-shaped structure. A center rod is welded on the inner walls on both sides of the fixed ring, and the connecting plate is rotatably sleeved on the outside of the center rod. Spring three is welded on the outer walls of the two connecting plates facing each other.

[0014] Furthermore, a ring is welded to the top end of the support rod, and the ring is sleeved on the outside of the sleeve rod, wherein four of the sleeve rods are provided with connecting threads on the outside, wherein the external threads of the four sleeve rods are sleeved with fixed sleeve one and fixed sleeve two, and fixed sleeve one and fixed sleeve two are respectively located on both sides of the ring.

[0015] Furthermore, an ear plate is welded on the outer wall of the bottom of the support rod, and a fixing nail penetrates the internal thread of the ear plate.

[0016] In the above technical scheme, the present invention provides a foundation pit safety protection device for municipal road engineering construction, (1) through the provision of a rotating rod, a movable rod, a limit groove, a limit block, a spring 1, an insertion rod, a socket, a rocker, a rope roller and a tightening rope, the rocker is rotated to drive the rope roller to rotate and reel in the tightening rope, so that the column connected to one end of the tightening rope is close to the column where the rope roller is located, and the rocker is released. The tension of the spring 1 will pull the movable rod downward, so that the insertion rod is inserted into the socket. By using the same method, the four columns can be close to each other and fit together, so that the foundation pit safety protection device is a condensed whole, which is convenient for the storage and transportation of the foundation pit safety protection device for municipal road engineering construction; (2) through the provision of a fixed cone, a moving block, a guide rod, a reinforcement rod, a groove, a spring 2, an extrusion screw and an extrusion block, the extrusion screw is rotated to drive the extrusion block to move downward to squeeze the moving block, so that the moving block can drive the reinforcement rod to move, so that the reinforcement rod can be inserted into the soil horizontally, and can be opposite to the column The column plays a reinforcing role, preventing the column from tipping over and improving reliability; (3) Through the provision of the sleeve rod, extension rod, fixing ring, arc plate, clamping block, clamping groove, connecting plate, center rod and spring three, the extension rod can be pulled to slide inside the sleeve rod, and the total length of the extension rod and the sleeve rod can be adjusted, thereby expanding or reducing the area enclosed by the entire foundation pit safety protection device, and can protect foundation pits of different sizes, with a wide range of use. The clamping block is connected to the inside of the clamping groove to fix the extension rod and prevent the extension rod from automatically sliding inside the sleeve rod; (4) Through the provision of the support rod, sleeve ring, fixing sleeve one, fixing sleeve two, ear plate and fixing nail, the support rod is used to assist in supporting the sleeve rod, thereby enhancing the overall strength of the foundation pit safety protection device for municipal road engineering construction and preventing the foundation pit safety protection device from tilting. The sleeve ring is fixed to the sleeve rod by the fixing sleeve one and the fixing sleeve two, which is convenient for disassembly of the sleeve ring, thereby realizing the function of easy assembly of the foundation pit safety protection device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0018] Figure 1 A three-dimensional structural schematic diagram is provided for an embodiment of a foundation pit safety protection device for municipal road engineering construction according to the present invention.

[0019] Figure 2 A schematic diagram of the internal cross-sectional structure of a column provided in an embodiment of a foundation pit safety protection device for municipal road engineering construction of the present invention.

[0020] Figure 3 A schematic diagram of a limit groove structure provided for an embodiment of a foundation pit safety protection device for municipal road engineering construction of the present invention.

[0021] Figure 4 A schematic diagram of a fixed cone structure provided for an embodiment of a foundation pit safety protection device for municipal road engineering construction according to the present invention.

[0022] Figure 5 A schematic diagram of a fixing ring structure provided for an embodiment of a foundation pit safety protection device for municipal road engineering construction according to the present invention.

[0023] Figure 6 A schematic diagram of a collar fixing structure provided in an embodiment of a foundation pit safety protection device for municipal road engineering construction of the present invention.

[0024] Description of reference numerals: 1. Column; 2. Rotating rod; 3. Movable rod; 4. Limiting groove; 5. Limiting block; 6. Spring one; 7. Inserting rod; 8. Plug hole; 9. Rocker; 10. Rope roller; 11. Tightening rope; 12. Fixed cone; 13. Moving block; 14. Guide rod; 15. Reinforcement rod; 16. Groove; 17. Spring two; 18. Extrusion screw; 19. Extrusion block; 20. Sleeve rod; 21. Extension rod; 22. Fixed ring; 23. Arc plate; 24. Block; 25. Slot; 26. Connecting plate; 27. Center rod; 28. Spring three; 29. ​​Support rod; 30. Ring; 31. Fixed sleeve one; 32. Fixed sleeve two; 33. Ear plate; 34. Fixing nail; 35. Anti-slip sheath; 36. Connecting thread. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0026] like Figure 1-6As shown, a foundation pit safety protection device for municipal road engineering construction provided by an embodiment of the present invention comprises a column 1, an arc plate 23 and a support rod 29, the column 1 is rotatably connected to a rotating rod 2 through a bearing, and a movable rod 3 is inserted at the top of the rotating rod 2, and the outer walls on both sides of the movable rod 3 are integrally connected with a limiting block 5, the outer walls on both sides of the rotating rod 2 are provided with a limiting groove 4, and the limiting block 5 is slidably connected to the inside of the limiting groove 4, and a spring 6 connected to the movable rod 3 is provided on the inner wall at the bottom of the limiting groove 4. An insertion rod 7 is integrally connected to the outer wall of the bottom of the movable rod 3, and a plug hole 8 is opened at the top of the column 1, and the insertion rod 7 is inserted into the inside of the plug hole 8, a rocker 9 is welded on the outer wall of the top of the rotating rod 2, and the outside of the rocker 9 is sleeved with an anti-slip sheath 35, a plurality of rope-collecting rollers 10 are welded on the outer wall of the rotating rod 2, and a tightening rope 11 is wound around the outside of the rope-collecting roller 10, one end of the tightening rope 11 is fixed on the outer wall of the rope-collecting roller 10, and the other end of the tightening rope 11 is set on the outer wall of the column 1, and the tightening rope 11 runs through the column 1.

[0027] The present invention provides a foundation pit safety protection device for municipal road engineering construction, comprising a column 1, an arc plate 23 and a support rod 29, wherein the interior of the column 1 is rotatably connected to a rotating rod 2 through a bearing, and a movable rod 3 is inserted at the top of the rotating rod 2, and limiting blocks 5 are integrally connected to the outer walls on both sides of the movable rod 3, and limiting grooves 4 are provided on the outer walls on both sides of the rotating rod 2, and the limiting blocks 5 are slidably connected to the inside of the limiting grooves 4, and a spring 6 connected to the movable rod 3 is provided on the inner wall of the bottom of the limiting groove 4, and an insertion rod 7 is integrally connected to the outer wall of the bottom of the movable rod 3, and a plug hole 8 is provided at the top of the column 1, and the plug rod 7 is inserted into the inside of the plug hole 8, a rocker 9 is welded on the outer wall of the top of the rotating rod 2, and an anti-slip sheath 35 is sleeved on the outside of the rocker 9, and the outer wall of the rotating rod 2 A plurality of rope-taking rollers 10 are welded on the rope-taking roller, and a tightening rope 11 is wound around the outside of the rope-taking roller 10, one end of the tightening rope 11 is fixed on the outer wall of the rope-taking roller 10, and the other end of the tightening rope 11 is arranged on the outer wall of the column 1. The tightening rope 11 passes through the column 1, and the rocker 9 is rotated to drive the rope-taking roller 10 to rotate and reel in the tightening rope 11, so that the column 1 connected with one end of the tightening rope 11 can be made close to the column 1 where the rope-taking roller 10 is located. The same method is used to bring the four columns 1 close to each other and fit together, and the rocker 9 is released. The tension of the spring 6 will pull the movable rod 3 downward, so that the insertion rod 7 is inserted into the inside of the insertion hole 8, and the movable rod 3 and the rotating rod 2 are fixed, so that the foundation pit safety protection device for municipal road engineering construction is stored, and then it is also convenient to carry it, thereby improving practicality.

[0028] In an embodiment provided by the present invention, a fixed cone 12 is welded to the bottom of the outer wall on one side of the column 1, and a moving block 13 is slidably connected to the inside of the fixed cone 12, and guide rods 14 are welded to the inner walls on both sides of the fixed cone 12, and the moving block 13 is slidably sleeved on the outside of the guide rods 14. The guide rods 14 can guide the moving block 13 and prevent the moving block 13 from tilting when moving.

[0029] In another embodiment provided by the present invention, a plurality of reinforcing rods 15 are welded on the outer wall of one side of the moving block 13, a groove 16 is opened on the outer wall of one side of the moving block 13, and a spring 2 17 connected to the inner wall of the fixed cone 12 is arranged on the inner wall of the groove 16. When the moving block 13 is not squeezed by the squeezing block 19, the elastic force of the spring 2 17 will push the moving block 13 to move.

[0030] In another embodiment provided by the present invention, an extrusion screw 18 is threadedly inserted into the top of the fixed cone 12, and an extrusion block 19 is welded to the bottom end of the extrusion screw 18. The extrusion block 19 and the moving block 13 are abutted against each other. Rotating the extrusion screw 18 can drive the extrusion block 19 to move downward to squeeze the inclined surface of the moving block 13 to move the moving block 13.

[0031] In an embodiment provided by the present invention, a plurality of sleeve rods 20 are threadedly inserted on the outer wall of one side of the column 1, and a plurality of extension rods 21 are threadedly inserted on the outer wall of one side of the column 1. The extension rods 21 are inserted on the outside of the sleeve rods 20, and the extension rods 21 can be pulled to slide inside the sleeve rods 20, so that the total length of the extension rods 21 and the sleeve rods 20 can be adjusted, thereby being able to adjust or reduce the area enclosed by the entire foundation pit safety protection device.

[0032] In another embodiment provided by the present invention, a fixing ring 22 is welded to one end of the sleeve rod 20 , and the extension rod 21 passes through the fixing ring 22 , and the fixing ring 22 is used to fix the extension rod 21 .

[0033] In another embodiment provided by the present invention, the arc plate 23 is located inside the fixing ring 22, and a clamping block 24 is integrally connected to the outer wall on one side of the arc plate 23, and a plurality of clamping grooves 25 distributed in an equidistant structure are provided on the outer walls on both sides of the extension rod 21, and the clamping block 24 is clamped inside the clamping groove 25, so as to fix the extension rod 21.

[0034] In an embodiment provided by the present invention, a connecting plate 26 is welded on the outer wall at the top of the arc-shaped plate 23, and the two connecting plates 26 are distributed in a cross-shaped structure. A center rod 27 is welded on the inner walls on both sides of the fixing ring 22, and the connecting plate 26 is rotatably sleeved on the outside of the center rod 27. A spring three 28 is welded on the outer walls of the two connecting plates 26 facing each other. The elastic force of the spring three 28 can push the two connecting plates 26 away from each other, thereby enabling the two arc-shaped plates 23 to be closer to each other.

[0035] In another embodiment provided by the present invention, a ring 30 is welded to the top end of the support rod 29, and the ring 30 is sleeved on the outside of the sleeve rod 20, wherein the outsides of the four sleeve rods 20 are provided with connecting threads 36, wherein the external threads of the four sleeve rods 20 are sleeved with a fixing sleeve 1 31 and a fixing sleeve 2 32, and the fixing sleeve 1 31 and the fixing sleeve 2 32 are respectively located on both sides of the ring 30, and the fixing sleeve 1 31 and the fixing sleeve 2 32 are used to fix the ring 30.

[0036] In another embodiment provided by the present invention, an ear plate 33 is welded on the outer wall of the bottom of the support rod 29, and a fixing nail 34 penetrates the internal thread of the ear plate 33, and the ear plate 33 can be fixed on the ground through the fixing nail 34.

[0037] Working principle: firstly, thread the fixing sleeve 22 onto the outside of the sleeve rod 20, then thread the sleeve ring 30 onto the outside of the sleeve rod 20, then respectively thread the sleeve rod 20 and the extension rod 21 onto the column 1, pinch the two connecting plates 26 on the sleeve ring 30 close together, insert the extension rod 21 on one of the columns 1 into the sleeve rod 20 in the same direction on the adjacent column 1, and slide inside the sleeve rod 20, so as to adjust the total length of the extension rod 21 and the sleeve rod 20. After the adjustment, release the connecting plate 26, and the spring three The elastic force of 28 will push the two connecting plates 26 away from each other, and at this time, the two arc-shaped plates 23 will approach each other, so that the clamping block 24 can be clamped in the inside of the clamping groove 25, and the extension rod 21 can be fixed to prevent the extension rod 21 from automatically sliding inside the sleeve rod 20, so that the area surrounded by the entire foundation pit safety protection device can be expanded, and foundation pits of different sizes can be protected. The fixed cone 12 is inserted into the inside of the soil, and the extrusion screw 18 is turned to drive the extrusion block 19 to move downward to squeeze the moving block 13, so that the moving block 13 can drive the reinforcement rod 15 to move, which can The reinforcing rod 15 can be inserted into the soil horizontally, which can reinforce the column 1 and prevent the column 1 from falling over. Then, the ear plate 33 is fixed to the ground through the fixing nail 34 to fix the support rod 29. The support rod 29 can support the sleeve rod 20, thereby enhancing the strength of the entire foundation pit safety protection device and preventing the entire foundation pit safety protection device from tilting. After the use of the device is over, the support rod 29 is removed from the sleeve rod 20, the sleeve rod 20 and the extension rod 21 are threaded off the column 1, and the rocker 9 is rotated to drive the rope roller 10 is rotated to reel in the tightening rope 11, so that the column 1 connected to one end of the tightening rope 11 can be brought closer to the column 1 where the rope-taking roller 10 is located, and the rocker 9 is released. The tension of the spring 16 will pull the movable rod 3 downward, so that the insertion rod 7 is inserted into the inside of the insertion hole 8, and the movable rod 3 and the rotating rod 2 are fixed. Using the same method, the four columns 1 can be brought close to each other and fit together, so that the foundation pit safety protection device is a condensed whole, which is convenient for the storage of the foundation pit safety protection device for the construction of the municipal road engineering, and then it is also convenient for its transportation, thereby improving its practicality.

[0038] The above description is only by way of illustration of certain exemplary embodiments of the present invention. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A foundation pit safety protection device for municipal road engineering construction, comprising a column (1), an arc-shaped plate (23) and a support rod (29), characterized in that: The interior of the column (1) is rotatably connected to a rotating rod (2) via a bearing, and a movable rod (3) is inserted at the top of the rotating rod (2), and limiting blocks (5) are integrally connected to the outer walls on both sides of the movable rod (3), and limiting grooves (4) are provided on the outer walls on both sides of the rotating rod (2), and the limiting blocks (5) are slidably connected to the inside of the limiting grooves (4), and a spring (6) connected to the movable rod (3) is provided on the inner wall of the bottom of the limiting groove (4), and an inserting rod (7) is integrally connected to the outer wall of the bottom of the movable rod (3), and the top of the column (1) is provided with a spring (6) connected to the movable rod (3). An insertion hole (8) is opened at the end, and the insertion rod (7) is inserted into the inside of the insertion hole (8); a rocker (9) is welded on the outer wall of the top of the rotating rod (2), and the outside of the rocker (9) is sleeved with an anti-slip sheath (35); a plurality of rope-collecting rollers (10) are welded on the outer wall of the rotating rod (2), and a tightening rope (11) is wound around the outside of the rope-collecting roller (10); one end of the tightening rope (11) is fixed on the outer wall of the rope-collecting roller (10), and the other end of the tightening rope (11) is arranged on the outer wall of the column (1); and the tightening rope (11) passes through the column (1).

2. A foundation pit safety protection device for municipal road engineering construction according to claim 1, characterized in that: A fixed cone (12) is welded to the bottom of the outer wall of one side of the column (1), and a moving block (13) is slidably connected to the interior of the fixed cone (12). Guide rods (14) are welded to the inner walls of both sides of the fixed cone (12), and the moving block (13) is slidably sleeved on the outside of the guide rods (14).

3. A foundation pit safety protection device for municipal road engineering construction according to claim 2, characterized in that: A plurality of reinforcing rods (15) are welded to the outer wall of one side of the moving block (13), a groove (16) is provided on the outer wall of one side of the moving block (13), and a second spring (17) connected to the inner wall of the fixed cone (12) is provided on the inner wall of the groove (16).

4. A foundation pit safety protection device for municipal road engineering construction according to claim 3, characterized in that: The top thread of the fixed cone (12) is plugged with an extrusion screw (18), and the bottom end of the extrusion screw (18) is welded with an extrusion block (19), and the extrusion block (19) and the moving block (13) are mutually supported.

5. A foundation pit safety protection device for municipal road engineering construction according to claim 4, characterized in that: A plurality of sleeve rods (20) are threadedly inserted on the outer wall of one side of the column (1), and a plurality of extension rods (21) are threadedly inserted on the outer wall of one side of the column (1), wherein the extension rods (21) are inserted outside the sleeve rods (20).

6. A foundation pit safety protection device for municipal road engineering construction according to claim 5, characterized in that: A fixing ring (22) is welded to one end of the sleeve rod (20), and the extension rod (21) passes through the fixing ring (22).

7. A foundation pit safety protection device for municipal road engineering construction according to claim 6, characterized in that: The arc-shaped plate (23) is located inside the fixing ring (22), and a clamping block (24) is integrally connected to the outer wall of one side of the arc-shaped plate (23). The outer walls of both sides of the extension rod (21) are provided with a plurality of clamping grooves (25) distributed in an equidistant structure, and the clamping block (24) is clamped inside the clamping groove (25).

8. A foundation pit safety protection device for municipal road engineering construction according to claim 7, characterized in that: A connecting plate (26) is welded to the outer wall of the top of the arc-shaped plate (23), and the two connecting plates (26) are arranged in a cross-shaped structure. A center rod (27) is welded to the inner walls on both sides of the fixing ring (22), and the connecting plate (26) is rotatably sleeved on the outside of the center rod (27). A spring three (28) is welded to the outer walls of the two connecting plates (26) facing each other.

9. A foundation pit safety protection device for municipal road engineering construction according to claim 8, characterized in that: A collar (30) is welded to the top end of the support rod (29), and the collar (30) is sleeved on the outside of the sleeve rod (20), wherein four of the sleeve rods (20) are provided with connecting threads (36) on the outside, wherein the four sleeve rods (20) are sleeved with a fixing sleeve 1 (31) and a fixing sleeve 2 (32) on the outside threads, and the fixing sleeve 1 (31) and the fixing sleeve 2 (32) are respectively located on two sides of the collar (30).

10. A foundation pit safety protection device for municipal road engineering construction according to claim 9, characterized in that: An ear plate (33) is welded to the outer wall of the bottom of the support rod (29), and a fixing nail (34) penetrates through the internal thread of the ear plate (33).

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