Building foundation pit protection device

Abstract

The utility model discloses a building foundation pit protection device which comprises a first protection fence and a second protection fence, a first side plate and a second side plate are arranged on the two sides of the first protection fence and the two sides of the second protection fence respectively, and first connecting rods are arranged at the upper end and the lower end of the side, close to the second side plate, of the first side plate. Second connecting rods are arranged at the upper end and the lower end of the side, close to the first side plate, of the second side plate, the first connecting rods and the second connecting rods are arranged in a staggered mode, clamping grooves are formed in the middles of the sides, close to the second connecting rods, of the first connecting rods, clamping rods are arranged on the sides, close to the clamping grooves, of the second connecting rods, and a first baffle is arranged between the two first connecting rods; and a second baffle is arranged between the two second connecting rods. The adjusting device is additionally arranged on the protective fence, the width of the protective fence can be adjusted according to actual needs, and the protective fence can adapt to protection and blocking of building foundation pits in different scenes.

Description

Technical Field

[0001] The utility model relates to a protective device, in particular to a building foundation pit protective device, belonging to the technical field of building foundation pit protection. Background Art

[0002] During the excavation process of a construction foundation pit, it is usually necessary to shield and protect the construction foundation pit to prevent passers-by from accidentally falling in. Therefore, a construction foundation pit protection device is used. The construction protection device in the existing technology usually includes multiple columns and multiple protection nets. The protection nets are located between adjacent columns. The protection nets encircle the construction foundation pit for protection.

[0003] After searching, Chinese patent number CN221856401U discloses a construction foundation pit protection device. By utilizing the mutual cooperation of a positioning plate, a connecting frame, a connecting block, a connecting column, and a movable plate, the positioning plate supports the connecting block, the connecting block is connected to the connecting frame, the connecting frame supports the protection frame, and the movable plate drives the connecting column to limit the relative position of the connecting block and the connecting frame, thereby facilitating the direct snap-on fixation of the protection frame, facilitating the splicing of the protection net and the column, facilitating operation, and saving working time. However, in the above-mentioned patented product, the size of the protection net is fixed. When protecting the foundation pit, the size of the surrounding protection needs to be different according to the size of the foundation pit. If the protection is not good enough, there will be certain safety hazards. Utility Model Content

[0004] The purpose of this utility model is to provide a construction foundation pit protection device in order to solve the above problems.

[0005] The utility model achieves the above-mentioned purpose through the following technical scheme: a construction foundation pit protection device, comprising a first guardrail and a second guardrail, wherein the first guardrail and the second guardrail are respectively provided with a first side panel and a second side panel on both sides, and an adjustment device is provided on the opposite side of the first side panel and the second side panel, wherein the adjustment device comprises a first connecting rod, a second connecting rod, a slot, a clamping rod, a first baffle and a second baffle, and the first side panel is close to the second side panel and the upper and lower ends are provided with a first connecting rod, and the second side panel is close to the first side panel and the upper and lower ends are provided with a second connecting rod, the first connecting rod and the second connecting rod are staggered, and the first connecting rod is provided with a slot in the middle of the side close to the second connecting rod, and the second connecting rod is provided with a clamping rod on the side close to the slot, a first baffle is provided between the two first connecting rods, and a second baffle is provided between the two second connecting rods.

[0006] Preferably, a connecting device is provided on the opposite side of the first side panel and the second side panel, and the connecting device includes a connecting plate, a fixed rod, a rotating block, an insert rod, a limit block, a threaded rod, a movable groove, an adjusting knob, a screw rod, a threaded block, a rotating rod, a sleeve plate, a docking hole, a fixed nut, a slot, a rotating groove and a fixed block. A connecting plate is provided on the side of the first side panel away from the second side panel, and a fixing rod is connected to the side of the connecting plate away from the first side panel. The bottom end of the fixing rod is provided with a rotating block, the bottom end of the rotating block is provided with an insert rod, and the top end of the fixing rod is provided with a limit block. The top of the limit block is provided with a threaded rod, the top of the second side plate on the side away from the first side plate is provided with a moving groove, the movable groove is provided with a screw rod, the top of the screw rod is provided with an adjusting knob, the screw rod is provided with a threaded block, the threaded block is provided with a rotating rod on the side away from the screw rod, the rotating rod is provided with a sleeve plate on the side away from the threaded block, a docking hole is provided in the middle of the sleeve plate, the threaded rod is matched with a fixing nut, and the bottom end of the second side plate close to the moving groove is provided with a fixing block, the middle of the top of the fixing block is provided with a slot, and the outer ring of the slot is provided with a rotation groove.

[0007] Preferably, the cross sections of the clamping slot and the clamping rod are both T-shaped, and the clamping slot is slidably connected to the clamping rod.

[0008] Preferably, the rotating groove is arranged in a circular ring shape, the cross-section of the rotating block is arranged in a gate shape, the threaded block is connected to the screw rod and nut, the sleeve plate is hinged to the rotating rod, the hinge angle is 0-90°, and the fixing nut is rotatably connected to the threaded rod.

[0009] Preferably, the adjustment knob is arranged at the top end of the second side panel.

[0010] Preferably, a base is provided at the bottom end of each of the first side panel and the second side panel.

[0011] The beneficial effects of the present invention are as follows: in the above-mentioned patented product, the size of the protective net is fixed. When protecting the foundation pit, the size of the surrounding protection needs to be different according to the size of the foundation pit. If the protection cannot be well performed, there will be certain safety hazards. The present invention adds an adjustment device to the guardrail, which can adjust the width of the guardrail according to actual needs, so that it can adapt to the protection of the construction foundation pit in different scenarios; at the same time, the connecting device can flexibly connect the two guardrails, reduce the gap between the guardrails, avoid people or animals drilling, and improve the safety and stability of the protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a three-dimensional diagram of the overall structure of a building foundation pit protection device proposed by the utility model;

[0013] Figure 2 This is a structural stereogram of a building foundation pit protection device proposed by the utility model;

[0014] Figure 3 This is a structural stereogram of a building foundation pit protection device proposed by the utility model;

[0015] Figure 4 This is a structural stereogram of a building foundation pit protection device proposed by the utility model.

[0016] In the figure: 1. first guardrail; 2. second guardrail; 3. first side panel; 301. second side panel; 302. base; 4. adjusting device; 401. first connecting rod; 402. second connecting rod; 403. slot; 404. locking rod; 405. first baffle; 406. second baffle; 5. connecting device; 501. connecting plate; 502. fixing rod; 503. rotating block; 504. inserting rod; 505. limiting block; 506. threaded rod; 507. movable slot; 508. adjusting knob; 509. screw rod; 510. threaded block; 511. rotating rod; 512. sleeve; 513. docking hole; 514. fixing nut; 515. slot; 516. rotating slot; 517. fixing block. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0018] See also Figure 1-4 As shown, a construction foundation pit protection device includes a first guardrail 1 and a second guardrail 2. The first guardrail 1 and the second guardrail 2 are respectively provided with a first side plate 3 and a second side plate 301 on both sides. The first side plate 3 and the second side plate 301 are provided with an adjustment device 4 on the opposite side. The adjustment device 4 includes a first connecting rod 401, a second connecting rod 402, a slot 403, a clamping rod 404, a first baffle 405 and a second baffle 406. The upper and lower ends of the first side plate 3 close to the second side plate 301 are provided. Both are provided with a first connecting rod 401, and second connecting rods 402 are provided at the upper and lower ends of the second side plate 301 close to the first side plate 3, the first connecting rod 401 and the second connecting rod 402 are arranged alternately, and a groove 403 is provided in the middle of the side of the first connecting rod 401 close to the second connecting rod 402, and a clamping rod 404 is provided on the side of the second connecting rod 402 close to the groove 403, a first baffle 405 is provided between the two first connecting rods 401, and a second baffle 406 is provided between the two second connecting rods 402.

[0019] The cross sections of the clamping slot 403 and the clamping rod 404 are both T-shaped, and the clamping slot 403 and the clamping rod 404 are slidably connected.

[0020] According to the above embodiments, it should be noted that: when protecting the construction foundation pit, the first guardrail 1 and the second guardrail 2 are placed outside the foundation pit. According to the size of the foundation pit, the first side panel 3 and the second side panel 301 can be manually pulled to both sides. At this time, the card slot 403 on the first connecting rod 401 and the card rod 404 on the second connecting rod 402 are movably connected, so that the first baffle 405 and the second baffle 406 change from overlapping to unfolding, thereby increasing the lateral area of ​​the first guardrail 1 and the second guardrail 2, so as to better block the foundation pit.

[0021] See also Figure 1-4 As shown, a construction foundation pit protection device includes a first side plate 3 and a second side plate 301 on the opposite side thereof, wherein a connecting device 5 is provided, the connecting device 5 includes a connecting plate 501, a fixing rod 502, a rotating block 503, an inserting rod 504, a limiting block 505, a threaded rod 506, a movable groove 507, an adjusting knob 508, a screw rod 509, a threaded block 510, a rotating rod 511, a sleeve plate 512, a docking hole 513, a fixing nut 514, a slot 515, a rotating groove 516 and a fixing block 517. A connecting plate 501 is provided on the side of the first side plate 3 away from the second side plate 301, and a fixing rod 502 is connected to the side of the connecting plate 501 away from the first side plate 3. A rotating block 503 is provided at the bottom end of the fixing rod 502, and an inserting rod 504 is provided at the bottom end of the rotating block 503. A limit block 505 is provided at the top of the rod 502, and a threaded rod 506 is provided at the top of the limit block 505. A movable groove 507 is provided at the top of the second side plate 301 on the side away from the first side plate 3, a screw rod 509 is provided inside the movable groove 507, an adjusting knob 508 is provided at the top of the screw rod 509, a threaded block 510 is provided on the screw rod 509, a rotating rod 511 is provided on the side of the threaded block 510 away from the screw rod 509, a sleeve plate 512 is provided on the side of the rotating rod 511 away from the threaded block 510, a docking hole 513 is provided in the middle of the sleeve plate 512, and a fixing nut 514 is provided in the middle of the threaded rod 506. A fixed block 517 is provided at the bottom end of the second side plate 301 close to the movable groove 507, a slot 515 is provided in the middle of the top of the fixed block 517, and a rotating groove 516 is provided on the outer ring of the slot 515.

[0022] The rotating groove 516 is arranged in a circular ring shape, the cross section of the rotating block 503 is arranged in a gate shape, the threaded block 510 is connected to the screw rod 509 and the nut, the sleeve 512 is hinged to the rotating rod 511, and the hinge angle is 0-90°. The fixing nut 514 is rotatably connected to the threaded rod 506, and the adjusting knob 508 is arranged at the top end of the second side panel 301. The bottom ends of the first side panel 3 and the second side panel 301 are both provided with a base 302.

[0023] According to the above embodiment, it should be noted that: when connecting the first guardrail 1 and the second guardrail 2, the insertion rod 504 at the bottom end of the fixed rod 514 on the first side panel 3 on the second guardrail 2 is inserted into the slot 315 of the fixed block 317 at the bottom end of the second side panel 301 on the first guardrail 1, and at this time, the rotating block 503 is docked with the rotating groove 516.

[0024] Then, the sleeve plate 512 which is set perpendicular to the threaded block 510 is bent around the rotating rod 511 so that the sleeve plate 512 is level with the threaded block 510. At this time, the docking hole 513 is aligned with the top of the threaded rod 506, and the adjusting knob 508 is manually turned. The adjusting knob 508 drives the screw rod 509 to rotate, and the threaded fastener 510 connected to the nut of the screw rod 509 moves up and down to connect the docking hole 513 on the sleeve plate 512 with the top of the threaded rod 506, and then the fixing nut 514 is screwed into the top of the threaded rod 506. At this time, the first guardrail 1 and the second guardrail 2 are connected. According to actual needs, the angle of connection between the first guardrail 1 and the second guardrail 2 can be rotated and adjusted.

[0025] In summary, the usage process of this device is as follows: when protecting a building foundation pit, place the first guardrail 1 and the second guardrail 2 outside the foundation pit. According to the size of the foundation pit, the first side panel 3 and the second side panel 301 can be manually pulled to both sides. At this time, the card slot 403 on the first connecting rod 401 and the card rod 404 on the second connecting rod 402 are movably connected, so that the first baffle 405 and the second baffle 406 change from overlapping to unfolding, thereby increasing the lateral area of ​​the first guardrail 1 and the second guardrail 2, so as to better block the foundation pit.

[0026] When connecting the first guardrail 1 and the second guardrail 2, the insertion rod 504 at the bottom end of the fixed rod 514 on the first side panel 3 of the second guardrail 2 is inserted into the slot 315 of the fixed block 317 at the bottom end of the second side panel 301 on the first guardrail 1. At this time, the rotating block 503 is docked with the rotating groove 516.

[0027] Then, the sleeve plate 512 which is set perpendicular to the threaded block 510 is bent around the rotating rod 511 so that the sleeve plate 512 is level with the threaded block 510. At this time, the docking hole 513 is aligned with the top of the threaded rod 506, and the adjusting knob 508 is manually turned. The adjusting knob 508 drives the screw rod 509 to rotate, and the threaded fastener 510 connected to the nut of the screw rod 509 moves up and down to connect the docking hole 513 on the sleeve plate 512 with the top of the threaded rod 506, and then the fixing nut 514 is screwed into the top of the threaded rod 506. At this time, the first guardrail 1 and the second guardrail 2 are connected. According to actual needs, the angle of connection between the first guardrail 1 and the second guardrail 2 can be rotated and adjusted.

Claims

1. A construction foundation pit protection device, comprising a first guardrail (1) and a second guardrail (2), characterized in that: A first side panel (3) and a second side panel (301) are provided on both sides of the first guardrail (1) and the second guardrail (2), respectively; an adjustment device (4) is provided on one side opposite to the first side panel (3) and the second side panel (301); the adjustment device (4) comprises a first connecting rod (401), a second connecting rod (402), a clamping slot (403), a clamping rod (404), a first baffle (405) and a second baffle (406); a first connecting rod (401) is provided at both upper and lower ends of a side of the first side panel (3) close to the second side panel (301); A second connecting rod (402) is provided at both upper and lower ends of a side of the side plate (301) close to the first side plate (3); the first connecting rod (401) and the second connecting rod (402) are arranged alternately; a clamping groove (403) is provided in the middle of a side of the first connecting rod (401) close to the second connecting rod (402); a clamping rod (404) is provided on a side of the second connecting rod (402) close to the clamping groove (403); a first baffle (405) is provided between the two first connecting rods (401); and a second baffle (406) is provided between the two second connecting rods (402).

2. A construction foundation pit protection device according to claim 1, characterized in that: A connecting device (5) is provided on the opposite side of the first side plate (3) and the second side plate (301), and the connecting device (5) includes a connecting plate (501), a fixing rod (502), a rotating block (503), an inserting rod (504), a limiting block (505), a threaded rod (506), a movable groove (507), an adjusting knob (508), a screw rod (509), a threaded block (510), a rotating rod (511), a sleeve plate (512), a docking hole (513), a fixing nut (514), and a fixing screw (515). 14), a slot (515), a rotating groove (516) and a fixed block (517), a connecting plate (501) is provided on the side of the first side plate (301) away from the second side plate (301), a fixing rod (502) is connected to the side of the connecting plate (501) away from the first side plate (3), a rotating block (503) is provided at the bottom end of the fixing rod (502), an inserting rod (504) is provided at the bottom end of the rotating block (503), and a limiting rod (504) is provided at the top end of the fixing rod (502). The limit block (505) is provided with a threaded rod (506) at the top of the limit block (505), a movable groove (507) is provided at the top of the second side plate (301) away from the first side plate (3), a screw rod (509) is provided inside the movable groove (507), an adjusting knob (508) is provided at the top of the screw rod (509), a threaded block (510) is provided on the screw rod (509), and a rotating rod (510) is provided on the side of the threaded block (510) away from the screw rod (509). 1), a sleeve plate (512) is provided on the side of the rotating rod (511) away from the threaded block (510), a docking hole (513) is provided in the middle of the sleeve plate (512), the threaded rod (506) is equipped with a fixing nut (514), a fixing block (517) is provided at the bottom end of the second side plate (301) close to the movable groove (507), a slot (515) is provided in the middle of the top of the fixing block (517), and a rotating groove (516) is provided on the outer ring of the slot (515).

3. A construction foundation pit protection device according to claim 1, characterized in that: The cross sections of the clamping slot (403) and the clamping rod (404) are both T-shaped, and the clamping slot (403) is slidably connected to the clamping rod (404).

4. A construction foundation pit protection device according to claim 2, characterized in that: The rotating groove (516) is arranged in a circular ring shape, the cross section of the rotating block (503) is arranged in a gate shape, the threaded block (510) is connected to the screw rod (509) nut, the sleeve plate (512) is hinged to the rotating rod (511), the hinge angle is 0-90 degrees, and the fixing nut (514) is rotatably connected to the threaded rod (506).

5. A construction foundation pit protection device according to claim 4, characterized in that: The adjusting knob (508) is arranged at the top end of the second side plate (301).

6. A construction foundation pit protection device according to claim 5, characterized in that: The bottom ends of the first side plate (3) and the second side plate (301) are both provided with a base (302).

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