Safety protection device for deep foundation pit on construction site

Abstract

The utility model relates to the technical field of deep foundation pits, and discloses a safety protection device for a deep foundation pit on a construction site, which comprises a bottom plate, two sliding chutes are arranged at the top of the bottom plate, sliding rods are fixedly connected in the sliding chutes, sliding blocks are slidably connected to the outer sides of the sliding rods, and baffles are fixedly connected to the tops of the sliding blocks. Fixing columns are fixedly connected to the top of the bottom plate and located at one ends of the sliding grooves, empty grooves are formed in the outer sides of the fixing columns, screw rods are rotatably connected to the interiors of the empty grooves, threaded blocks are in threaded connection to the outer sides of the screw rods, and connecting rods are rotatably connected between the threaded blocks and the baffles. According to the device, the threaded block is driven to move downwards by rotating the threaded rod, the baffle can be pushed to move through the connecting rod in the moving process of the threaded block, and therefore the baffle can resist the periphery of a foundation pit, collapse of the foundation pit is avoided, and falling of soil can be resisted.

Description

Technical Field

[0001] The utility model relates to the technical field of deep foundation pits, in particular to a safety protection device for deep foundation pits in construction sites. 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.

[0003] However, in the prior art, after the existing deep foundation pit is dug, part of the surrounding soil will fall into the interior of the foundation pit, thereby affecting the engineering inside the foundation pit. At the same time, on rainy days, the soil around the foundation pit may appear. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a safety protection device for a deep foundation pit in a construction site.

[0005] The utility model is implemented by the following technical scheme: a safety protection device for deep foundation pits in construction sites, comprising a base plate, two slide grooves are arranged on the top of the base plate, the inside of the slide grooves are fixedly connected with slide rods, the outside of the slide rods are slidably connected with sliders, the tops of the sliders are fixedly connected with baffles, the top of the base plate and one end of the slide grooves are fixedly connected with fixed columns, empty grooves are arranged on the outside of the fixed columns, the insides of the empty grooves are rotatably connected with screws, the outside of the screws are threadedly connected with threaded blocks, and connecting rods are rotatably connected between the threaded blocks and the baffles.

[0006] Through the above technical solution, the screw rod is rotated to drive the threaded block to move downward. During the movement of the threaded block, the baffle plate can be pushed to move by the connecting rod, so that the baffle plate can resist the surrounding of the foundation pit, thereby avoiding the collapse of the foundation pit and resisting the falling of soil.

[0007] As a further improvement of the above scheme, the top of the bottom plate and both sides of the slide groove are equidistantly provided with snap-in holes, and one side of the baffle and above the connecting rod are rotatably connected with two snap-in rods, and the snap-in rods are used in conjunction with the snap-in holes.

[0008] Through the above technical solution, the clamping rod is rotated to clamp the clamping rod into the inside of the clamping hole, thereby strengthening the stability of the baffle.

[0009] As a further improvement of the above solution, a connecting block is fixedly connected to one side of the baffle and above the clamping rod, a connecting shaft is slidably connected between the multiple connecting blocks, and both ends of the connecting shaft are fixedly connected to limit blocks.

[0010] Through the above technical solution, the connecting shaft is used to enable the connecting block to place the baffles at the same horizontal position, so that the baffles can be connected to each other.

[0011] As a further improvement of the above scheme, a first bevel gear is fixedly connected to the outer side of one of the screws, a fixed plate is fixedly connected to the top of the base plate, a second bevel gear is rotatably connected to one side of the fixed plate, the first bevel gear is meshed with the second bevel gear, and the output shaft of the second bevel gear extends to the outer side of the fixed plate and is fixedly connected to a turntable.

[0012] Through the above technical solution, the turntable is rotated to drive the second bevel gear to drive the first bevel gear, thereby driving one of the screws to rotate.

[0013] As a further improvement of the above solution, the top of the screw rod extends to above the fixed column and a pulley is fixedly installed therebetween.

[0014] Through the above technical solution, the screw rod can rotate synchronously through the pulley.

[0015] As a further improvement of the above solution, fixing holes are provided at the four corners of the bottom of the base plate.

[0016] Through the above technical solution, the bottom plate can be easily fixed through the fixing holes.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] The utility model drives the threaded block to move downward by rotating the screw rod, and can push the baffle plate to move through the connecting rod during the movement of the threaded block, so that the baffle plate can resist the surrounding of the foundation pit, thereby preventing the foundation pit from collapsing and resisting the falling of soil;

[0019] The utility model can clamp the clamping rod into the inside of the clamping hole by rotating the clamping rod, thereby strengthening the stability of the baffle, and can make the baffles have the same horizontal position through the connecting shaft, so that the baffles can be connected to each other, and the screw rods can be rotated synchronously through the pulley, and the second bevel gear can be driven to drive the first bevel gear by rotating the turntable, thereby driving one of the screw rods to rotate. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a three-dimensional schematic diagram of the overall structure of the utility model from a first viewing angle;

[0021] Figure 2 This is a stereoscopic schematic diagram of the structure of the utility model from a second viewing angle;

[0022] Figure 3 This is a three-dimensional schematic diagram of the structure of the utility model from a third viewing angle;

[0023] Figure 4 It is a stereoscopic schematic diagram of the overall structure of the utility model from a fourth viewing angle.

[0024] Description of main symbols:

[0025] 1. Bottom plate; 2. Slide groove; 3. Slide rod; 4. Sliding block; 5. Baffle; 6. Fixed column; 7. Empty groove; 8. Screw rod; 9. Threaded block; 10. Connecting rod; 11. Snap-in hole; 12. Snap-in rod; 13. Connecting block; 14. Connecting shaft; 15. Limit block; 16. Pulley; 17. Fixed plate; 18. First bevel gear; 19. Second bevel gear; 20. Turntable; 21. Fixed hole. DETAILED DESCRIPTION

[0026] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0027] Example:

[0028] Please combine Figure 1-4 The safety protection device for deep foundation pits in construction sites of this embodiment includes a base plate 1, two slide grooves 2 are provided on the top of the base plate 1, the inside of the slide grooves 2 are fixedly connected with slide bars 3, the outside of the slide bars 3 are slidably connected with sliders 4, the top of the sliders 4 are fixedly connected with baffles 5, the top of the base plate 1 and one end of the slide grooves 2 are fixedly connected with fixed columns 6, the outside of the fixed columns 6 are provided with empty grooves 7, the inside of the empty grooves 7 are rotatably connected with screw rods 8, the outside of the screw rods 8 are threadedly connected with threaded blocks 9, and connecting rods 10 are rotatably connected between the threaded blocks 9 and the baffles 5. By rotating the screw 8, the threaded blocks 9 are driven to move downward. During the movement of the threaded blocks 9, the baffles 5 can be pushed to move by the connecting rods 10, so that the baffles 5 can resist the surrounding of the foundation pit, thereby avoiding the collapse of the foundation pit and resisting the falling of soil.

[0029] Please combine Figure 1-4 In the safety protection device for deep foundation pits in construction sites of this embodiment, snap-in holes 11 are equidistantly provided on the top of the bottom plate 1 and on both sides of the slide groove 2, and two snap-in rods 12 are rotatably connected to one side of the baffle 5 and above the connecting rod 10, and the snap-in rods 12 are used in conjunction with the snap-in holes 11. By rotating the snap-in rods 12, the snap-in rods 12 are snapped into the inside of the snap-in holes 11, thereby reinforcing the stability of the baffle 5.

[0030] Please combine Figure 1-4In the safety protection device for deep foundation pits in construction sites of this embodiment, a connecting block 13 is fixedly connected to one side of the baffle 5 and located above the clamping rod 12, and a connecting shaft 14 is slidably connected between the multiple connecting blocks 13. Both ends of the connecting shaft 14 are fixedly connected to limiting blocks 15. Through the connecting shaft 14, the connecting blocks 13 can put the baffles 5 in the same horizontal position, so that the baffles 5 can be connected to each other.

[0031] Please combine Figure 1-4 In the safety protection device for deep foundation pits in construction sites of this embodiment, a first bevel gear 18 is fixedly connected to the outside of one of the screw rods 8, a fixed plate 17 is fixedly connected to the top of the base plate 1, a second bevel gear 19 is rotatably connected to one side of the fixed plate 17, the first bevel gear 18 is meshed with the second bevel gear 19, the output shaft of the second bevel gear 19 extends to the outside of the fixed plate 17 and is fixedly connected to a turntable 20, and by rotating the turntable 20, the second bevel gear 19 is driven to drive the first bevel gear 18, thereby driving one of the screw rods 8 to rotate.

[0032] Please combine Figure 1-4 In the safety protection device for deep foundation pits in construction sites of this embodiment, the tops of the screw rods 8 extend above the fixed columns 6 and a pulley 16 is fixedly installed therebetween, through which the screw rods 8 can rotate synchronously.

[0033] Please combine Figure 1-4 In the safety protection device for deep foundation pits in construction sites of this embodiment, fixing holes 21 are provided at the four corners of the bottom of the bottom plate 1, and the bottom plate 1 can be fixed conveniently through the fixing holes 21.

[0034] The implementation principle of the safety protection device for deep foundation pits in construction sites in the embodiment of the present application is as follows: by rotating the screw rod 8, the threaded block 9 is driven to move downward, and during the movement of the threaded block 9, the baffle plate 5 can be pushed to move by the connecting rod 10, so that the baffle plate 5 can resist the surrounding of the foundation pit, thereby preventing the foundation pit from collapsing and resisting the falling of soil;

[0035] By rotating the clamping rod 12, the clamping rod 12 is clamped into the inside of the clamping hole 11, so as to strengthen the stability of the baffle 5. By connecting the shaft 14, the connecting block 13 can put the baffles 5 in the same horizontal position, so that the baffles 5 can be connected to each other. Through the pulley 16, the screw rod 8 can rotate synchronously. By rotating the turntable 20, it drives the second bevel gear 19 to drive the first bevel gear 18, thereby driving one of the screw rods 8 to rotate.

[0036] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A safety protection device for a deep foundation pit at a construction site, comprising a bottom plate (1), characterized in that: Two slide grooves (2) are provided on the top of the base plate (1), the inside of the slide grooves (2) are fixedly connected with slide rods (3), the outside of the slide rods (3) are slidably connected with sliders (4), the top of the sliders (4) are fixedly connected with baffles (5), the top of the base plate (1) and one end of the slide grooves (2) are fixedly connected with fixed columns (6), the outside of the fixed columns (6) are provided with empty grooves (7), the inside of the empty grooves (7) are rotatably connected with screw rods (8), the outside of the screw rods (8) are threadedly connected with thread blocks (9), and a connecting rod (10) is rotatably connected between the thread blocks (9) and the baffles (5).

2. The safety protection device for deep foundation pits in construction sites according to claim 1, characterized in that: The top of the bottom plate (1) and both sides of the slide groove (2) are equidistantly provided with snap-in holes (11); one side of the baffle (5) and above the connecting rod (10) are rotatably connected with two snap-in rods (12); the snap-in rods (12) are used in conjunction with the snap-in holes (11).

3. The safety protection device for deep foundation pits in construction sites according to claim 1, characterized in that: A connection block (13) is fixedly connected to one side of the baffle (5) and located above the clamping rod (12), a connection shaft (14) is slidably connected between the plurality of connection blocks (13), and both ends of the connection shaft (14) are fixedly connected to limit blocks (15).

4. The safety protection device for deep foundation pits in construction sites according to claim 1, characterized in that: A first bevel gear (18) is fixedly connected to the outer side of one of the screw rods (8), a fixed plate (17) is fixedly connected to the top of the base plate (1), a second bevel gear (19) is rotatably connected to one side of the fixed plate (17), the first bevel gear (18) is meshingly connected to the second bevel gear (19), and an output shaft of the second bevel gear (19) extends to the outer side of the fixed plate (17) and is fixedly connected to a rotating disk (20).

5. The safety protection device for deep foundation pits in construction sites according to claim 1, characterized in that: The top of each screw rod (8) extends to the top of the fixed column (6) and a pulley (16) is fixedly installed therebetween.

6. The safety protection device for deep foundation pits in construction sites according to claim 1, characterized in that: The four corners of the bottom of the base plate (1) are each provided with fixing holes (21).

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