Safety protection device for building road foundation pit

Abstract

The utility model relates to the technical field of road protection, and discloses a building road foundation pit safety protection device which comprises a bottom plate, supporting rods are fixedly connected to the left side and the right side of the upper surface of the bottom plate, a protection plate is fixedly connected to the upper surfaces of the supporting rods, and ventilation holes are formed in the front face of the protection plate. According to the safety protection device for the building road foundation pit, the convex sliding grooves, the convex sliding blocks and the stress columns are arranged, after the stress columns are extruded, the convex sliding blocks move towards the outer sides along the convex sliding grooves, the supporting legs move towards the outer sides, and the ground supporting area of the device is increased, or the convex sliding blocks move towards the inner sides along the convex sliding grooves, so that the ground supporting area of the device is increased; according to the safety protection device for the building road foundation pit, the supporting legs move towards the inner side, so that the ground supporting area of the device is reduced, and the problems that the ground supporting area of an existing safety protection device for the building road foundation pit is difficult to adjust during use, and the device is easy to turn over during placement are solved.

Description

Technical Field

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

[0002] Foundation pit refers to the space below the ground excavated for the construction of the foundation and basement of a building or structure. Foundation pits are generally divided into two categories: unsupported and supported. In the process of foundation pit construction, in order to ensure safety, construction road foundation pit safety protection devices are required; existing construction road foundation pit safety protection devices basically adopt a structure in which a protective plate is welded to an integrally formed bracket; the construction road foundation pit safety protection devices currently on the market adopt a structure in which a protective plate is welded to an integrally formed bracket, which makes it difficult to adjust the ground support area of ​​the device during use, making the device easy to overturn when placed; in view of this situation, we have developed equipment to solve the above problems. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the deficiencies of the prior art, the utility model provides a construction road foundation pit safety protection device, which solves the problem that the existing construction road foundation pit safety protection device makes it difficult to adjust the ground support area when the device is in use, thereby causing the device to easily tip over when placed.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a safety protection device for a construction road foundation pit, comprising a base plate, the upper left side and the upper right side of the base plate are fixedly connected to support rods, the upper surface of the support rods is fixedly connected to a protective plate, a ventilation hole is provided on the front of the protective plate, a positioning plate is fixedly connected to the top of the right side of the protective plate, a positioning column is fixedly connected to the lower surface of the positioning plate, a hollow plug is fixedly connected to the top of the left side of the protective plate, a convex slide groove is provided on the upper left side and the upper right side of the base plate, a convex slider is slidably connected to the inner wall of the convex slide groove, the upper surface of the convex slider is fixedly connected to a force-bearing column, the outer side of the convex slider is fixedly connected to an extension leg, and the lower surface of the extension leg The outer side is fixedly connected with a supporting foot, and the upper surface of the supporting foot is provided with a fixing hole, and the inner wall of the fixing hole is slidably connected with a fixing nail, and the left side of the upper surface and the right side of the upper surface of the bottom plate are fixedly connected with a driving fixing plate, the bottom of the outer side surface of the driving fixing plate is fixedly connected with a guide column, the outer surface of the guide column is slidably connected with a driving block, the front and back sides of the driving block are fixedly connected with a driving slide rail, the inner wall of the driving slide rail is slidably connected to the outer surface of the force-bearing column, the top of the outer side surface of the driving fixing plate is movably connected with a driving screw, the outer surface of the driving screw is threadedly connected to the driving block, the top of the inner side surface of the driving fixing plate is movably connected with a driving turntable, and one inner end of the driving screw passes through the driving fixing plate and is fixedly connected to the outer side surface of the driving turntable.

[0007] Preferably, the support rod is connected to the bottom plate and the protective plate by welding, and the support rod, the bottom plate and the protective plate are all made of stainless steel.

[0008] Preferably, the outer surface of the driving turntable is wrapped with a rubber layer with a thickness of three millimeters, and the thickness of the driving turntable is twenty-five millimeters.

[0009] Preferably, the cross-section of the load-bearing column is circular, and the load-bearing column and the driving slide rail are both made of stainless steel.

[0010] Preferably, the length of the convex sliding block is forty-five millimeters, and the size of the convex sliding block is adapted to the size of the inner wall of the convex sliding groove.

[0011] Preferably, the positioning plate and the positioning column are both made of stainless steel, and the positioning plate is connected to the protective plate and the positioning column by welding.

[0012] (III) Beneficial effects

[0013] Compared with the prior art, the utility model provides a safety protection device for a construction road foundation pit, which has the following beneficial effects:

[0014] 1. The construction road foundation pit safety protection device is provided with a convex slide groove, a convex sliding block and a load-bearing column. After the load-bearing column is squeezed, the convex sliding block moves outward along the convex slide groove to move the supporting foot outward, thereby increasing the ground supporting area of ​​the device, or the convex sliding block moves inward along the convex slide groove to move the supporting foot inward, thereby reducing the ground supporting area of ​​the device. This solves the problem that the existing construction road foundation pit safety protection device makes it difficult to adjust the ground supporting area of ​​the device when in use, thereby causing the device to easily overturn when placed.

[0015] 2. The construction road foundation pit safety protection device, by setting positioning plates, positioning columns and hollow plugs, and by inserting the positioning columns on one set of devices into the hollow plugs on another set of devices, allows personnel to connect multiple sets of protection devices into a whole, thereby improving the protection capability of the device.

[0016] 3. The safety protection device for the road foundation pit of the building is provided with ventilation holes, and the ventilation holes are arranged on the protective plate. When the device encounters strong winds, air can pass through the protective plate through the ventilation holes, thereby reducing the resistance of the device and improving the stability of the device when encountering strong winds. At the same time, the ventilation holes can also facilitate personnel to observe the internal and external conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 , Figure 3 It is a schematic diagram of the explosion of the structure of the utility model.

[0019] In the figure: 1. bottom plate; 2. support rod; 3. protective plate; 4. ventilation hole; 5. positioning plate; 6. positioning column; 7. hollow plug block; 8. convex slide groove; 9. convex slider; 10. load column; 11. extension leg; 12. support foot; 13. fixing hole; 14. fixing nail; 15. drive fixing plate; 16. guide column; 17. drive block; 18. drive slide rail; 19. drive screw; 20. drive turntable. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-3A safety protection device for a foundation pit of a construction road comprises a bottom plate 1, a support rod 2 is fixedly connected to the left side and the right side of the upper surface of the bottom plate 1, a protection plate 3 is fixedly connected to the upper surface of the support rod 2, and a ventilation hole 4 is opened on the front of the protection plate 3. By setting the ventilation hole 4 and setting the ventilation hole 4 on the protection plate 3, when the device encounters strong winds, air can pass through the ventilation hole 4 and pass through the protection plate 3, thereby reducing the resistance of the device, thereby improving the stability of the device when encountering strong winds. At the same time, the ventilation hole 4 can also facilitate personnel to observe the internal and external conditions. A positioning plate 5 is fixedly connected to the top of the right side of the protection plate 3, and a positioning plate 5 is fixedly connected to the lower surface of the positioning plate 5. The top of the left side of the protective plate 3 is fixedly connected with a hollow plug block 7. By setting the positioning plate 5, the positioning column 6 and the hollow plug block 7, and by inserting the positioning column 6 on one set of devices into the hollow plug block 7 on another set of devices, personnel can connect multiple sets of protective devices into a whole, thereby improving the protection ability of the device. The left side and the right side of the upper surface of the bottom plate 1 are both provided with convex sliding grooves 8, and the inner wall of the convex sliding groove 8 is slidably connected with a convex sliding block 9. The upper surface of the convex sliding block 9 is fixedly connected with a force column 10, and the outer side of the convex sliding block 9 is fixedly connected with an extension leg 11, and the outer side of the lower surface of the extension leg 11 is fixedly connected with a supporting foot 12. By setting the convex sliding The support leg 12 is provided with a fixing hole 13 on the upper surface of the support leg 12, and a fixing nail 14 is slidably connected to the inner wall of the fixing hole 13 ... A driving fixing plate 15 is fixedly connected to the left side of the surface and the right side of the upper surface, a guide column 16 is fixedly connected to the bottom of the outer side surface of the driving fixing plate 15, a driving block 17 is slidably connected to the outer surface of the guide column 16, a driving slide rail 18 is fixedly connected to the front and back of the driving block 17, the inner wall of the driving slide rail 18 is slidably connected to the outer surface of the force-bearing column 10, a driving screw 19 is movably connected to the top of the outer side surface of the driving fixing plate 15, the outer surface of the driving screw 19 is threadedly connected to the driving block 17, a driving turntable 20 is movably connected to the top of the inner side surface of the driving fixing plate 15, and one inner end of the driving screw 19 passes through the driving fixing plate 15 and is fixedly connected to the outer side surface of the driving turntable 20.

[0022] In the utility model, in order to ensure the reliability of the device when in use, the support rod 2 is connected to the base plate 1 and the protective plate 3 by welding, and the support rod 2, the base plate 1 and the protective plate 3 are all made of stainless steel, so that the connection between the support rod 2 and the base plate 1 and the protective plate 3 is reliable and not prone to breakage, thereby ensuring the reliability of the device when in use.

[0023] In the utility model, in order to make people feel more comfortable when touching the driving turntable 20, a rubber layer with a thickness of three millimeters is wrapped on the outer surface of the driving turntable 20, and the thickness of the driving turntable 20 is twenty-five millimeters, which can increase the contact area of ​​the hand on the driving turntable 20, thereby making people feel more comfortable when touching the driving turntable 20.

[0024] In the utility model, in order to prevent the load-bearing column 10 from malfunctioning when sliding in the driving slide rail 18, the cross-section of the load-bearing column 10 is set to be circular, and the load-bearing column 10 and the driving slide rail 18 are both made of stainless steel, so that the load-bearing column 10 is not easy to get stuck when sliding in the driving slide rail 18, thereby preventing the load-bearing column 10 from malfunctioning when sliding in the driving slide rail 18.

[0025] In the utility model, in order to prevent the convex slider 9 from malfunctioning when sliding in the convex slide groove 8, the length of the convex slider 9 is set to 45 mm, and the size of the convex slider 9 is adapted to the size of the inner wall of the convex slide groove 8, so that the convex slider 9 is not easily stuck when sliding in the convex slide groove 8, thereby preventing the convex slider 9 from malfunctioning when sliding in the convex slide groove 8.

[0026] In the utility model, in order to ensure the reliability of the connection between the devices, the positioning plate 5 and the positioning column 6 are both made of stainless steel, and the positioning plate 5 is connected to the protective plate 3 and the positioning column 6 by welding, so that the connection between the positioning plate 5 and the protective plate 3 and the positioning column 6 is reliable and not prone to breakage, thereby ensuring the reliability of the connection between the devices.

[0027] Working principle: When in use, first rotate the driving turntables 20 on both sides, let the driving screw 19 rotate and drive the driving blocks 17 on both sides to move inward along the guide column 16, so that the driving slide rails 18 on both sides move inward and squeeze the force-bearing column 10. At this time, the convex slider 9 will move outward along the convex slide groove 8, so that the extension leg 11 moves outward, and the supporting feet 12 on both sides move outward and extend, so that the supporting area of ​​the device on the ground is increased, so that the device is more stable when placed, and then the device is placed in a suitable position, and the fixing nails 14 are nailed into the fixing holes 13 to fix the device on the ground. When the device needs to be moved, it only needs to be moved first. The fixing nail 14 is pulled out from the fixing hole 13 so that the device is no longer fixed, and then the driving turntables 20 on both sides are rotated in the opposite direction, so that the driving screw 19 rotates and drives the driving block 17 to move outward along the guide column 16, so that the driving slide rail 18 moves outward and squeezes the force-bearing column 10. At this time, the convex sliding block 9 moves inward along the convex sliding groove 8, so that the supporting foot 12 moves inward and shrinks, and the device is folded, so that the device is easy to be carried by people. When it is necessary to connect the devices, it is only necessary to align the positioning column 6 of one device with the hollow plug block 7 on the left side of the other device and insert it, so as to connect multiple protective devices together.

[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 the 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 safety protection device for a construction road foundation pit, comprising a bottom plate (1), characterized in that: The upper left side and the upper right side of the bottom plate (1) are both fixedly connected with a support rod (2), the upper surface of the support rod (2) is fixedly connected with a protective plate (3), the front of the protective plate (3) is provided with a ventilation hole (4), the top of the right side of the protective plate (3) is fixedly connected with a positioning plate (5), the lower surface of the positioning plate (5) is fixedly connected with a positioning column (6), the top of the left side of the protective plate (3) is fixedly connected with a hollow plug (7), the upper left side and the upper right side of the bottom plate (1) are both provided with a convex slide groove (8), the inner wall of the convex slide groove (8) is slidably connected with a convex slider (9), the upper surface of the convex slider (9) is fixedly connected with a force column (10), the outer side of the convex slider (9) is fixedly connected with an extension leg (11), the outer side of the lower surface of the extension leg (11) is fixedly connected with a support foot (12), and the upper surface of the support foot (12) is provided with a fixing hole (13) ), the inner wall of the fixing hole (13) is slidably connected with a fixing nail (14), the left side and the right side of the upper surface of the bottom plate (1) are fixedly connected with a driving fixing plate (15), the bottom of the outer side of the driving fixing plate (15) is fixedly connected with a guide column (16), the outer surface of the guide column (16) is slidably connected with a driving block (17), the front and back sides of the driving block (17) are fixedly connected with a driving slide rail (18), the inner wall of the driving slide rail (18) is slidably connected with the outer surface of the force-bearing column (10), the top of the outer side of the driving fixing plate (15) is movably connected with a driving screw rod (19), the outer surface of the driving screw rod (19) is threadedly connected with the driving block (17), the top of the inner side of the driving fixing plate (15) is movably connected with a driving rotary disk (20), one inner end of the driving screw rod (19) passes through the driving fixing plate (15) and is fixedly connected to the outer side of the driving rotary disk (20).

2. A construction road foundation pit safety protection device according to claim 1, characterized in that: The support rod (2) is connected to the bottom plate (1) and the protective plate (3) by welding, and the support rod (2), the bottom plate (1) and the protective plate (3) are all made of stainless steel.

3. A construction road foundation pit safety protection device according to claim 1, characterized in that: The outer surface of the driving turntable (20) is wrapped with a rubber layer with a thickness of three millimeters, and the thickness of the driving turntable (20) is twenty-five millimeters.

4. A construction road foundation pit safety protection device according to claim 1, characterized in that: The cross-section of the load-bearing column (10) is circular, and the load-bearing column (10) and the driving slide rail (18) are both made of stainless steel.

5. A construction road foundation pit safety protection device according to claim 1, characterized in that: The length of the convex sliding block (9) is 45 millimeters, and the size of the convex sliding block (9) is adapted to the size of the inner wall of the convex sliding groove (8).

6. A construction road foundation pit safety protection device according to claim 1, characterized in that: The positioning plate (5) and the positioning column (6) are both made of stainless steel, and the positioning plate (5) is connected to the protective plate (3) and the positioning column (6) by welding.

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