Safety protection device for material conveying opening
By designing the safety protection device of the material transfer port of the cover plate, rotating connector and clamping device, the safety hazards and structural damage of the material transfer port are solved, simple installation and disassembly and multiple uses are realized, construction costs are reduced and improved Security.
Patent Information
- Application Number
- CN202421125430.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-22
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-05-22
AI Technical Summary
In housing construction projects, the reservation of material transfer ports brings safety hazards to construction. Traditional safety protection devices require drilling to affect the load-bearing performance of the floor slabs, and it is troublesome to demolish them.
A material transfer port safety protection device is designed, using a cover plate combined with a rotating connector and a clamping device, and the structure of a screw and U-shaped plate can be quickly installed and disassembled, and the safety is ensured by using a pin lock and a spring mechanism. Support rods and collars improve structural stability.
It realizes the simplicity of installation and disassembly and multiple recycles, reduces construction costs, does not damage the floor structure, and improves construction safety.
Smart Images

Figure CN222295788U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of building construction, in particular to a material transfer port safety protection device. Background Art
[0002] In the construction of aluminum formwork for building construction projects, it is usually necessary to reserve a material transfer port on the floor slab to facilitate the transfer of the upper and lower layers of aluminum formwork. This method can save time and effort in the turnover of the aluminum formwork. However, the reserved material transfer port poses a hidden danger to the safety of the construction. If it is not protected in time, it is very easy to cause people to fall from a height.
[0003] Traditional material transfer port safety protection rotates the cover body and covers the material transfer port through the setting of hinges. This method requires the hinges to be fixed to the floor slab by expansion bolts. The installation of expansion bolts requires drilling holes in the floor slab, which may damage the steel bars in the floor slab and affect the bearing capacity of the floor slab. At the same time, the leaked expansion bolts need to be cut during the later dismantling, which is very troublesome. Utility Model Content
[0004] Based on the above problems, the purpose of the utility model is to provide a material transfer port safety protection device, and the utility model adopts the following technical solutions:
[0005] The utility model provides a material transfer port safety protection device, comprising a cover plate, a plurality of rotating connecting parts are arranged on one side of the cover plate, one connecting end of the rotating connecting part is fixed to the cover plate, and the other connecting end is connected to a first clamping device; the first clamping device comprises a first U-shaped plate, a plurality of first clamping blocks are arranged in the clamping opening of the first U-shaped plate along the length direction, a first screw is connected to the bottom of the first clamping block, the first screw is threadedly connected to the first U-shaped plate, and a first operating handle is fixed to the lower end of the first screw.
[0006] Preferably, the cover plate is provided with a second clamping device including a second U-shaped plate on a side away from the rotating connecting member, a plurality of second clamping blocks are provided in the clamping opening of the second U-shaped plate along the length direction, a second screw is connected to the bottom of the second clamping block, the second screw is threadedly connected to the second U-shaped plate, and a second operating handle is fixed to the lower end of the second screw;
[0007] The top of the second U-shaped plate is connected to the cover plate through a plurality of latch locks.
[0008] Preferably, the latch lock comprises a U-shaped lock seat and a lock nose, wherein the U-shaped lock seat is fixed on the cover plate, and the lock nose is fixed on the top of the second U-shaped plate;
[0009] A lock rod is inserted into the U-shaped lock seat, and the front end of the lock rod is plugged into the reserved lock hole on the lock nose. The lock rod sleeve is provided with a spring, and the rear end of the spring rests on the U-shaped lock seat. The rear end of the spring rests on a limit pin, and the limit pin is fixed on the lock rod.
[0010] Preferably, the cover plate is provided with a sedimentation groove at a position corresponding to the U-shaped lock seat.
[0011] Preferably, the ends of the opposite surfaces of the first U-shaped plate and the second U-shaped plate are respectively fixed with a first ring and a second ring, the first ring and the second ring are connected by a support rod, and the bent parts at both ends of the support rod pass through the first ring and the second ring and are connected to the anti-drop pin.
[0012] Preferably, the cover plate is provided with a handle on a side away from the rotating connecting member.
[0013] Compared with the prior art, the beneficial technical effects of the utility model are:
[0014] The utility model can be easily installed and disassembled without damaging the floor structure, can be recycled for many times, and reduces construction costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The utility model will be further described below in conjunction with the accompanying drawings.
[0016] Figure 1 This is a schematic diagram of the main structure of the material transfer port safety protection device in the embodiment of the utility model;
[0017] Figure 2 It is a schematic diagram of the top view of the structure of the material transfer port safety protection device in the embodiment of the utility model;
[0018] Figure 3 for Figure 2 A partial enlarged view of the middle A;
[0019] Figure 4 It is a schematic diagram of the use of the material transfer port safety protection device in the embodiment of the utility model.
[0020] Explanation of the reference numerals in the accompanying drawings: 1. Cover plate; 101. Sedimentation trough; 2. Rotating connecting piece; 3. First clamping device; 301. First U-shaped plate; 302. First clamping block; 303. First screw rod; 304. First operating handle; 4. Second clamping device; 401. Second U-shaped plate; 402. Second clamping block; 403. Second screw rod; 404. Second operating handle; 5. Latch lock; 501. U-shaped lock seat; 502. Lock nose; 503. Lock rod; 504. Spring; 505. Limit pin; 6. First ring; 7. Second ring; 8. Anti-drop pin; 9. Support rod; 10. Handle; 11. Floor; 12. Material transfer port. DETAILED DESCRIPTION
[0021] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.
[0022] like Figure 1 and 2 As shown, this embodiment discloses a material transfer port safety protection device, including a cover plate 1, and a plurality of rotating connecting parts 2 are arranged on one side of the cover plate 1. The rotating connecting parts 2 can be hinges or hinges. One connecting end of the rotating connecting part 2 is fixed to the cover plate 1, and the other connecting end is connected to the first clamping device 3.
[0023] The first clamping device 3 includes a first U-shaped plate 301, and a plurality of first clamping blocks 302 are arranged in the clamping opening of the first U-shaped plate 301 along the length direction. A first screw 303 is fixed to the bottom of the first clamping block 302, and the first screw 303 is threadedly connected to the first U-shaped plate 301. A first operating handle 304 is fixed to the lower end of the first screw 303.
[0024] A second clamping device 4 is provided on the side of the cover plate 1 away from the rotating connecting member 2, including a second U-shaped plate 401, and a plurality of second clamping blocks 402 are arranged in the clamping mouth of the second U-shaped plate 401 along the length direction, a second screw 403 is fixed to the bottom of the second clamping block 402, the second screw 403 is threadedly connected to the second U-shaped plate 401, and a second operating handle 404 is fixed to the lower end of the second screw 403; the top of the second U-shaped plate 401 is connected to the cover plate 1 through a plurality of latch locks 5.
[0025] like Figure 3 As shown, the latch lock 5 includes a U-shaped lock seat 501 and a lock nose 502, the U-shaped lock seat 501 is fixed on the cover plate 1, and the lock nose 502 is fixed on the top of the second U-shaped plate 401; a lock rod 503 is plugged into the U-shaped lock seat 501, and the front end of the lock rod 503 is plugged into the reserved lock hole on the lock nose 502, and the lock rod 503 is sleeved with a spring 504, the rear end of the spring 504 abuts on the U-shaped lock seat 501, and the rear end of the spring 504 abuts on the limit pin 505, and the limit pin 505 is fixed on the lock rod 503.
[0026] In this embodiment, the cover plate 1 is provided with a settling groove 101 at a position corresponding to the U-shaped lock seat 501. The main body of the latch lock 5 is located in the settling groove 101, which ensures that the cover plate 1 has no obvious protrusions.
[0027] In this embodiment, the ends of the first U-shaped plate 301 and the second U-shaped plate 401 on opposite sides are respectively fixed with a first collar 6 and a second collar 7, which are connected by a support rod 9, and the bent portions at both ends of the support rod 9 penetrate the first collar 6 and the second collar 7 and are connected to the anti-drop pin 8. The support rod 9 supports the first U-shaped plate 301 and the second U-shaped plate 401 on both sides to improve the stability of the overall structure.
[0028] In this embodiment, the cover plate 1 is provided with a handle 9 on one side away from the rotating connecting member 2.
[0029] like Figure 4 As shown, the use process of the utility model is as follows:
[0030] First, after opening the cover plate 1, operate the first U-shaped plate 301 to buckle it on the floor 11 of the material transfer port 12, then rotate the first screw 303 to drive the first clamping block 302 to press tightly against the bottom surface of the floor 11, and then operate the second clamping device 4 in the same way. Finally, the bent parts at both ends of the support rod 9 are passed through the first ring 6 and the second ring 7 and then connected to the anti-slip pin 8. The cover plate 1 covers the material transfer port 12 and is locked by the latch lock 5.
[0031] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.
Claims
1. A material transfer port safety protection device, comprising a cover plate (1), wherein one side of the cover plate (1) is provided with a plurality of rotating connecting members (2), characterized in that: One connecting end of the rotating connecting member (2) is fixed to the cover plate (1), and the other connecting end is connected to the first clamping device (3); The first clamping device (3) comprises a first U-shaped plate (301), a plurality of first clamping blocks (302) are arranged in the clamping opening of the first U-shaped plate (301) along the length direction, a first screw rod (303) is connected to the bottom of the first clamping block (302), the first screw rod (303) is threadedly connected to the first U-shaped plate (301), and a first operating handle (304) is fixed to the lower end of the first screw rod (303).
2. The material transfer port safety protection device according to claim 1 is characterized in that: The cover plate (1) is provided with a second clamping device (4) on a side away from the rotating connecting member (2), comprising a second U-shaped plate (401), a plurality of second clamping blocks (402) are provided in the clamping opening of the second U-shaped plate (401) along the length direction, a second screw rod (403) is connected to the bottom of the second clamping block (402), the second screw rod (403) is threadedly connected to the second U-shaped plate (401), and a second operating handle (404) is fixed to the lower end of the second screw rod (403); The top of the second U-shaped plate (401) is connected to the cover plate (1) via a plurality of latch locks (5).
3. The material transfer port safety protection device according to claim 2 is characterized in that: The latch lock (5) comprises a U-shaped lock seat (501) and a lock nose (502), wherein the U-shaped lock seat (501) is fixed on the cover plate (1), and the lock nose (502) is fixed on the top of the second U-shaped plate (401); The U-shaped lock seat (501) is plugged with a lock rod (503), the front end of the lock rod (503) is plugged into a reserved lock hole on the lock nose (502), the lock rod (503) is sleeved with a spring (504), the rear end of the spring (504) abuts against the U-shaped lock seat (501), the rear end of the spring (504) abuts against a limit pin (505), and the limit pin (505) is fixed on the lock rod (503).
4. The material transfer port safety protection device according to claim 3 is characterized in that: The cover plate (1) is provided with a sedimentation groove (101) at a position corresponding to the U-shaped lock seat (501).
5. The material transfer port safety protection device according to claim 3 is characterized in that: A first ring (6) and a second ring (7) are fixed to the ends of the opposite surfaces of the first U-shaped plate (301) and the second U-shaped plate (401), respectively. The first ring (6) and the second ring (7) are connected by a support rod (9). The bent portions at both ends of the support rod (9) pass through the first ring (6) and the second ring (7) and are connected to the anti-drop pin (8).
6. The material transfer port safety protection device according to claim 1 is characterized in that: The cover plate (1) is provided with a handle (10) on a side away from the rotating connecting member (2).
