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 base, the bottom of the base is fixedly connected with a servo motor, the output end of the servo motor is in spline connection with a transmission rod, one end of the transmission rod is fixedly connected with a threaded rod, and the other end of the transmission rod is connected with a nut. The surface of the threaded rod is in threaded connection with an extension rod, the surface of the extension rod is slidably connected with a supporting rod, and the top of the extension rod is fixedly connected with a concave rod. According to the safety protection device for the building road foundation pit, through the arrangement of the base, the servo motor, the threaded rod, the extension rod, the supporting rod, the concave rod, the handrail A and the handrail B, a worker moves the device to the position beside the foundation pit, a power source of the servo motor below the base is turned on, and a transmission rod rotates to drive the threaded rod to rotate; the threaded rod rotates to enable the extension rod in threaded connection with the threaded rod to ascend from the supporting rod, the extension rod drives the concave rod to ascend, and the concave rod drives the A handrail to ascend from the B handrail.

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] In recent years, with the rapid development of my country's national economy, the pace of road engineering construction in my country has also accelerated. The development of social economy has promoted the pace of urbanization. The country has increased its efforts in road construction. Underground space of various forms and uses has been developed and utilized in road engineering construction. In addition, the scale and number of underground projects have also increased significantly, and deep foundation pits for road projects have emerged. Since the construction area of ​​road foundation pit projects often involves the entry and exit of personnel, the safety protection of road foundation pits is also particularly important.

[0003] However, the existing safety protection device for construction road foundation pit has the following disadvantages:

[0004] (1) The device is large in size and requires a large space for storage. It also requires more manpower and vehicles for transportation, which wastes costs and has low practicality, reducing work efficiency.

[0005] (2) When the device is in use, it is unable to detect the collapse trend of the road surface next to the pit, which reduces the safety for workers and nearby residents and pedestrians.

[0006] Therefore, the utility model provides a safety protection device for a construction road foundation pit. Utility Model Content

[0007] 1. Technical issues to be solved

[0008] The technical problem solved by the utility model is to provide a construction road foundation pit safety protection device which is highly practical, can be simply operated and has a relatively simple structure. It solves the problem that the device proposed in the above background technology is large in size, requires a large space for storage, requires more manpower and vehicles for transportation, wastes costs and has low practicality, reduces work efficiency, and cannot detect the collapse trend of the road surface next to the pit when the device is in use, resulting in low safety for workers and nearby residents and pedestrians.

[0009] (II) Technical solution

[0010] To achieve the above objectives, the utility model is implemented through the following technical solutions: a safety protection device for a construction road foundation pit, comprising a base, a servo motor is fixedly connected to the bottom of the base, a transmission rod is splined to the output end of the servo motor, one end of the transmission rod is fixedly connected to a threaded rod, an extension rod is threadedly connected to the surface of the threaded rod, a support rod is slidably connected to the surface of the extension rod, a concave rod is fixedly connected to the top of the extension rod, a railing A is fixedly connected to the bottom of the concave rod, a railing B is slidably connected to the surface of the A railing, a concave block is fixedly connected to one side of the bottom of the base, a limiting rod is fixedly connected to the inner wall of the concave block, a limiting ring is threadedly connected to one side of the surface of the limiting rod, a rotating block is rotatably connected to the surface of the limiting rod, a level measuring instrument is fixedly connected to the bottom of the rotating block, a warning light is fixedly connected to the top of the concave rod, and the warning light and the level measuring instrument are electrically connected.

[0011] Optionally, a handle is fixedly connected to the middle of the top of the concave rod, and a soft cover is fixedly connected to the middle of the handle, so that the device can be easily moved through the handle.

[0012] Optionally, a bottom plate is fixedly connected to the edge of the bottom of the base, and a universal wheel is fixedly connected to the bottom of the bottom plate, so that the base is supported by the bottom plate.

[0013] Optionally, a connecting plate A is fixedly connected to the bottom of one side of the base plate, and a limiting column is fixedly connected to the middle of the connecting plate A, so that the connecting plate B is limited by the limiting column.

[0014] Optionally, a B connecting plate is fixedly connected to the top of the other side of the base plate, and a circular hole is opened in the middle of the B connecting plate. The size of the circular hole matches the size of the limiting column, and the B connecting plate serves to connect to the A connecting plate.

[0015] Optionally, a sliding groove is provided on the inner wall of the support rod, and a sliding block is slidably connected to the inner wall of the sliding groove, so that the extension rod is limited by the sliding block.

[0016] (III) Beneficial effects

[0017] The utility model provides a safety protection device for a construction road foundation pit, which has the following beneficial effects:

[0018] 1. The construction road foundation pit safety protection device is provided with a base, a servo motor, a threaded rod, an extension rod, a support rod, a concave rod, a railing A and a railing B. The staff moves the device to the side of the pit, turns on the power of the servo motor under the base, and the transmission rod rotates to drive the threaded rod to rotate. The threaded rod rotates to make the extension rod threadably connected thereto rise from the support rod, the extension rod drives the concave rod to rise, and the concave rod drives the railing A to rise from the railing B until it stops at the top. The device is unfolded when in use and retracted when not in use, which greatly reduces the storage space and transportation difficulty of the device and improves the work efficiency and the practicability of the device.

[0019] 2. The safety protection device for the road foundation pit of the building is equipped with concave blocks, limit rods, limit rings, rotating blocks, level meters and warning lights. The staff loosens the limit ring on the limit rod, and then adjusts the angles of the concave blocks and the rotating blocks to make the level meter parallel to the ground, and then tightens the limit ring to fix it. When the level meter is not parallel to the ground, the warning light will start to flash to remind the staff. The level meter is used to detect whether there is a tendency for the ground next to the pit to collapse, thereby ensuring the safety of the staff and surrounding residents and pedestrians, and at the same time urging the staff's maintenance progress to improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the split structure of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the level measuring instrument of the utility model;

[0023] Figure 4 This is a schematic diagram of the cross-sectional structure of the support rod of the utility model.

[0024] In the figure: 1. base; 2. servo motor; 3. threaded rod; 4. extension rod; 5. support rod; 6. concave rod; 7. A railing; 8. B railing; 9. concave block; 10. limit rod; 11. limit ring; 12. rotating block; 13. level measuring instrument; 14. warning light; 15. handle; 16. bottom plate; 17. universal wheel; 18. A connecting plate; 19. limit column; 20. B connecting plate; 21. slider. DETAILED DESCRIPTION

[0025] 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. 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.

[0026] See also Figures 1 to 4 The utility model provides a technical solution: a safety protection device for a foundation pit of a construction road, comprising a base 1, a servo motor 2 is fixedly connected to the bottom of the base 1, a transmission rod is splined to the output end of the servo motor 2, a threaded rod 3 is fixedly connected to one end of the transmission rod, an extension rod 4 is threadedly connected to the surface of the threaded rod 3, a support rod 5 is slidably connected to the surface of the extension rod 4, a concave rod 6 is fixedly connected to the top of the extension rod 4, an A railing 7 is fixedly connected to the bottom of the concave rod 6, and a B railing 8 is slidably connected to the surface of the A railing 7. Through the arrangement of the base 1, the servo motor 2, the threaded rod 3, the extension rod 4, the support rod 5, the concave rod 6, the A railing 7 and the B railing 8, the staff moves the device to the ground Next to the pit, turn on the power of the servo motor 2 under the base 1, the transmission rod rotates to drive the threaded rod 3 to rotate, the threaded rod 3 rotates to make the extension rod 4 threadedly connected thereto rise from the support rod 5, the extension rod 4 drives the concave rod 6 to rise, the concave rod 6 drives the A railing 7 to rise from the B railing 8, until it rises to the top and stops, the device is unfolded when in use, and the device is retracted when not in use, which greatly reduces the storage space and transportation difficulty of the device, improves the work efficiency and practicality of the device, one side of the bottom of the base 1 is fixedly connected with a concave block 9, the inner wall of the concave block 9 is fixedly connected with a limit rod 10, one side of the surface of the limit rod 10 is threadedly connected to a limit ring 11, and the surface of the limit rod 10 is rotatably connected with a rotating block 12. A level meter 13 is fixedly connected to the bottom of the rotating block 12, and a warning light 14 is fixedly connected to the top of the concave rod 6. The warning light 14 and the level meter 13 are electrically connected. Through the arrangement of the concave block 9, the limit rod 10, the limit ring 11, the rotating block 12, the level meter 13 and the warning light 14, the staff loosens the limit ring 11 on the limit rod 10, and then adjusts the angle of the concave block 9 and the rotating block 12 to make the level meter 13 parallel to the ground, and then tightens the limit ring 11 to fix it. When the level meter 13 is not parallel to the ground, the warning light 14 will start to flash to remind the staff, and use the level meter 13 to detect whether the ground next to the pit has a tendency to collapse, so as to ensure the safety of the staff and the surrounding residents and pedestrians, and at the same time supervise the maintenance progress of the staff to improve work efficiency;

[0027] A handle 15 is fixedly connected to the middle of the top of the concave rod 6. The arrangement of the handle 15 facilitates the movement of the device. A soft sleeve is fixedly connected to the middle of the handle 15.

[0028] A bottom plate 16 is fixedly connected to the edge of the bottom of the base 1. The bottom plate 16 supports the base 1. A universal wheel 17 is fixedly connected to the bottom of the bottom plate 16.

[0029] The bottom of one side of the bottom plate 16 is fixedly connected with an A connecting plate 18, and the middle of the A connecting plate 18 is fixedly connected with a limiting column 19. The setting of the limiting column 19 plays a role in limiting the B connecting plate 20;

[0030] A B connecting plate 20 is fixedly connected to the top of the other side of the bottom plate 16. The B connecting plate 20 is provided to connect the A connecting plate 18. A circular hole is provided in the middle of the B connecting plate 20, and the size of the circular hole matches the size of the limiting column 19.

[0031] The inner wall of the support rod 5 is provided with a slide groove, and the inner wall of the slide groove is slidably connected with a slider 21. The setting of the slider 21 plays a role in limiting the extension rod 4.

[0032] In the utility model, the working steps of the device are as follows:

[0033] Step 1: The staff moves the device to the side of the pit, turns on the power of the servo motor 2 under the base 1, and the transmission rod rotates to drive the threaded rod 3 to rotate. The threaded rod 3 rotates to make the extension rod 4 threadedly connected to it rise from the support rod 5, and the extension rod 4 drives the concave rod 6 to rise, and the concave rod 6 drives the A railing 7 to rise from the B railing 8 until it rises to the top and stops;

[0034] The second step: the staff loosens the limit ring 11 on the limit rod 10, then adjusts the angles of the concave block 9 and the rotating block 12 to make the level meter 13 parallel to the ground, and then tightens the limit ring 11 to fix it. When the level meter 13 is not parallel to the ground, the warning light 14 will start to flash to remind the staff.

[0035] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0036] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0037] 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 base (1), characterized in that: The bottom of the base (1) is fixedly connected to a servo motor (2), the output end of the servo motor (2) is spline-connected to a transmission rod, one end of the transmission rod is fixedly connected to a threaded rod (3), the surface of the threaded rod (3) is threadedly connected to an extension rod (4), the surface of the extension rod (4) is slidably connected to a support rod (5), the top of the extension rod (4) is fixedly connected to a concave rod (6), the bottom of the concave rod (6) is fixedly connected to an A railing (7), and the surface of the A railing (7) is slidably connected to a B railing (8), a concave block (9) is fixedly connected to one side of the bottom of the base (1), a limit rod (10) is fixedly connected to the inner wall of the concave block (9), a limit ring (11) is threadedly connected to one side of the surface of the limit rod (10), a rotating block (12) is rotatably connected to the surface of the limit rod (10), a level meter (13) is fixedly connected to the bottom of the rotating block (12), a warning light (14) is fixedly connected to the top of the concave rod (6), and the warning light (14) and the level meter (13) are electrically connected.

2. A construction road foundation pit safety protection device according to claim 1, characterized in that: A handle (15) is fixedly connected to the middle of the top of the concave rod (6), and a soft sleeve is fixedly connected to the middle of the handle (15).

3. A construction road foundation pit safety protection device according to claim 1, characterized in that: A bottom plate (16) is fixedly connected to the edge of the bottom of the base (1), and a universal wheel (17) is fixedly connected to the bottom of the bottom plate (16).

4. A construction road foundation pit safety protection device according to claim 3, characterized in that: An A connecting plate (18) is fixedly connected to the bottom of one side of the base plate (16), and a limiting column (19) is fixedly connected to the middle of the A connecting plate (18).

5. A construction road foundation pit safety protection device according to claim 3, characterized in that: A B connecting plate (20) is fixedly connected to the top of the other side of the bottom plate (16), and a circular hole is opened in the middle of the B connecting plate (20), and the size of the circular hole matches the size of the limiting column (19).

6. A construction road foundation pit safety protection device according to claim 1, characterized in that: The inner wall of the support rod (5) is provided with a sliding groove, and the inner wall of the sliding groove is slidably connected with a sliding block (21).

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