Recyclable work layer plane hole protection device and installation method thereof
By combining a screw connector, telescopic connecting rod, and fastening screw with a U-shaped fixing device, the problem of large space occupation and inconvenience in carrying the opening protection device during construction is solved, achieving flexible fixing and reuse, and enhancing construction safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-10-20
- Publication Date
- 2026-03-27
AI Technical Summary
In existing building construction, opening protection devices have problems such as high space requirements, inconvenience in carrying and reusing.
The system employs a combination structure of screw connectors, telescopic connecting rods, fastening screws, and U-shaped fasteners. It is fixed at the opening through screw connectors and U-shaped fasteners, and together with scaffolding steel pipes and fasteners, it enables the connection and reuse of openings of different sizes.
It achieves flexible fixation of the opening, occupies little space, is easy to carry, and can be reused. It also provides additional tool mounting function to prevent objects from falling from heights.
Smart Images

Figure CN117145253B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of building construction, in particular to a recyclable working layer plane hole protection device and its installation method. BACKGROUND
[0002] In recent years, the construction industry in China is changing rapidly, and high-fall accidents occur from time to time during construction. The horizontal safety protection of elevator shaft, pipeline reserved hole, skylight and stairwell and other parts during construction is an essential measure. Ordinary safety net and hard protection platform often have uneven quality of safety net and inconvenient maintenance of protection platform during use.
[0003] For example, the existing Chinese patent CN112900900A discloses an operation process: when in use, the construction personnel opens the cover plate 2, enters the lower platform 4 through the ladder 3 to work, the upper platform 1 is paved with 20mm thick transparent ABS plate, the light is sufficient, and the construction is not affected; the lower platform 4 is paved with 5mm thick steel plate, which is safe and reliable. After the construction is completed, the construction personnel enters the upper platform 1 through the ladder 3, covers the cover plate 2, and the entrance (hole 12) is completely closed, effectively playing a safety protection role. With the increase of the construction floor, the platform is hoisted as a whole through the two lifting lugs 8 arranged on the upper platform 1, so that the elevator shaft construction protection platform is avoided from being repeatedly removed and erected.
[0004] The above technical solution: although it solves the hoisting problem to some extent, it has high space requirements during use. SUMMARY
[0005] In view of the deficiencies of the prior art, the purpose of the present application is to provide a recyclable working layer plane hole protection device and its installation method, which has the advantages that: the main mechanism mainly composed of screw connectors, telescopic connecting rods and fastening screws is fixed in the hole together with the U-shaped fixer, which can realize the connection and fixation of holes of different sizes and play a role in protecting the hole, and the structure is simple, does not occupy space, is convenient to carry, and can be reused.
[0006] The above purpose of the present application is realized by the following technical solution:
[0007] 1. A recyclable working layer plane hole protection device installation method, comprising the following steps:
[0008] S1: adjust the four U-shaped fixers of the device to the size of the inner circumference of the hole that can be matched;
[0009] S2: load the U-shaped clamping groove of the U-shaped fixer on one side on the protruding part on one side of the hole through hoisting;
[0010] S3: the remaining one side of the U-shaped fixator is mounted on the opposite side of the U-shaped fixator in S2, the handle hook is hooked into the rotating handle fixing hole of the screw rod, and rotation is performed to enable the two screw rod connectors to approach each other under the action of the fastening screw rod, so that the U-shaped fixator extends to the inner wall of the hole, and the fastening purpose is achieved;
[0011] S4: the scaffold steel pipe is fixed through the scaffold fastener, and a scaffold steel pipe with a corresponding length is also fixed and mounted on the opposite side.
[0012] S5: according to the building construction specification and the actual situation on site, the corresponding scaffold fastener is vertically fixed on the two scaffold steel pipes through the scaffold fastener, the corresponding scaffold steel pipe is vertically fixed, and the placing frame is mounted on the upper side and fixed.
[0013] In a preferred example, the protruding part in S2 refers to a steel frame pre-buried in the inner side of a vertical shaft such as a floor slab or an elevator shaft.
[0014] In a preferred example, the length of the scaffold steel pipe in S4 is the length of the U-shaped fixator mounted on the wall surface of one side of the hole.
[0015] In a preferred example, when the inner circumferential dimension of the hole to be protected is greater than the installation dimension of one side of the protection device, when the distance between the upper and lower U-shaped fixators can meet the construction, and only one U-shaped fixator can be mounted on the left and right, the upper and lower dimensions can be met according to the requirements of the site, the two U-shaped fixators are connected into one through the method of S4, are placed on the steel frame pre-buried in the inner side of the vertical shaft such as the floor slab or the elevator shaft, are fastened through S3, and finally S5 is implemented.
[0016] A recyclable operation layer plane hole protection device comprises a fastening screw rod, one end of the fastening screw rod is connected with a positioning nut, a plurality of screw rod connectors are threadedly connected to the fastening screw rod, both ends of the screw rod connector are respectively hinged with telescopic connecting rods, and the telescopic connecting rods are hinged with U-shaped fixators on the side away from the screw rod connector.
[0017] In a preferred example, the U-shaped fixator is provided with a scaffold fastener, and the scaffold fastener is further provided with a fastening screw.
[0018] In a preferred example, a telescopic supporting rod is further provided, and both ends of the telescopic supporting rod are respectively hinged to different telescopic connecting rods.
[0019] In a preferred example, a sliding groove is formed in the screw rod connector, and a hanging mechanism is connected through a sliding block in the sliding groove.
[0020] The application can be further configured in a preferred example that one end of the fastening screw rod is provided with a fixing hole, and a hexagonal recess is formed at the end face of the fastening screw rod close to the fixing hole.
[0021] In summary, the present application includes at least one of the following beneficial technical effects:
[0022] 1. The main mechanism mainly composed of screw connectors, telescopic connecting rods and fastening screw rods is fixed in the hole opening in cooperation with the U-shaped fixator, which can realize the connection and fixation of different size hole openings, plays a role in protecting the hole opening, has a simple structure, is convenient to carry, and can be reused.
[0023] 2. By setting the scaffold fastener, it can be further connected to a safe position by a rope, etc., to further fix the device, and on the other hand, some tools required for work can be hung and fixed to prevent high-altitude falling objects. BRIEF DESCRIPTION OF DRAWINGS
[0024] Fig. 1 is a schematic diagram of the overall structure of the technical solution;
[0025] Fig. 2 is a schematic diagram of part of the structure of the technical solution;
[0026] Fig. 3 is a schematic diagram of part of the structure of the technical solution.
[0027] Reference signs: 1, U-shaped fixator; 2, telescopic connecting rod; 3, telescopic support rod; 4, screw connector; 5, fastening screw rod; 6, scaffold fastener; 7, fixing hole; 8, sliding groove; 9, fastening screw; 10, positioning nut; 11, sliding block; 12, hanging mechanism. DETAILED DESCRIPTION
[0028] The application will be further described in detail below in combination with the drawings.
[0029] As Figs. 1-3 shown, it is a kind of recyclable operation layer plane hole opening protection device installation method, including the following steps:
[0030] S1: adjust the four U-shaped fixators 1 of the device to the size of the hole opening inner periphery that can be matched.
[0031] S2: by hoisting, the U-shaped clamping groove of the U-shaped fixator 1 on one side is loaded on the protruding part on one side of the hole opening; the protruding part here refers to the protruding floor or the steel frame embedded in the inner side of the vertical shaft such as elevator shaft.
[0032] S3: The remaining one side of the U-shaped fixer 1 is mounted on the opposite side of the U-shaped fixer 1 in S2, the handle hook is hooked into the screw rod rotating handle fixing hole 7, and the two screw rod connectors 4 are rotated to approach each other under the action of the fastening screw rod 5, so that the U-shaped fixer 1 extends to the inner wall of the hole, and the fastening purpose is achieved.
[0033] S4: The scaffold steel pipe is fixed through the scaffold fastener 6, and the scaffold steel pipe with a corresponding length is also fixed and installed on the opposite side; the length of the scaffold steel pipe here is the length of the U-shaped fixer 1 mounted on the wall surface of one side of the hole.
[0034] S5: According to the building construction specification and the actual situation on site, the corresponding scaffold fastener 6 is vertically fixed on the two scaffold steel pipes, the corresponding scaffold steel pipe is vertically fixed, and the placing frame is installed on the upper side and fixed.
[0035] When the inner circumferential size of the hole to be protected is greater than the installation size of one side of the protection device, and when the distance between the U-shaped fixer 1 can meet the construction, and the left and right can only carry one U-shaped fixer 1, the upper and lower sizes can be met according to the requirements of the site, two U-shaped fixers 1 are connected into one through the method of S4, placed on the steel frame pre-buried in the vertical shaft such as the floor or the elevator shaft, fastened through S3, and finally S5 is implemented.
[0036] As shown in Figs. 1-3 , it is a recyclable operation layer plane hole protection device, which comprises a fastening screw rod 5, one end of the fastening screw rod 5 is connected with a positioning nut 10, the positioning nut 10 and the fastening screw rod 5 are fixedly connected, and the preferred structure is that they are integrally arranged. A plurality of screw rod connectors 4 are threadedly connected to the fastening screw rod 5, and two screw rod connectors 4 are shown in the figure. The two ends of the screw rod connector 4 are respectively hinged with an extension connecting rod 2, and the extension connecting rod 2 is hinged with a U-shaped fixer 1 away from the screw rod connector 4. The structure of the U-shaped fixer 1 is not limited here, and it can be selected and used according to actual needs.
[0037] The U-shaped fixer 1 is provided with a scaffold fastener 6, and the scaffold fastener 6 is further provided with a fastening screw 9, and the scaffold fastener 6 is fixed by the fastening screw 9.
[0038] A telescopic supporting rod 3 is further provided, and the two ends of the telescopic supporting rod 3 are respectively hinged to different extension connecting rods 2. The telescopic supporting rod 3 plays a supporting role and can also assist in placing the stepping plate on the surface of the device.
[0039] The screw connector 4 is provided with a sliding groove 8, and the hanging mechanism 12 is connected to the sliding block 11 in the sliding groove 8 through the sliding block 11. The sliding block 11 and the hanging mechanism 12 are rotationally connected, that is, the hanging mechanism 12 can rotate around its own axis. In addition, the sliding block 11 and the hanging mechanism 12 can both be made into a rotary body, so that the sliding block 11 can rotate in the sliding groove 8 to realize multi-angle hanging. At this time, when the hanging mechanism 12 rotates, it will not interfere with the sliding groove 8. The hanging mechanism 12 here refers to a multifunctional connector. The multifunctional here is not limited to having multiple functions, but also can achieve the effect of multifunction by replacement. When the device needs to hang something on the lower side, it can be connected with the hanging mechanism 12, or a electric hoist can be hung to realize lifting operation (additional connection rope), and a lighting lamp and other objects can also be hung. Fig. 3 A commonly used hanging form is mentioned in the above.
[0040] One end of the fastening screw 5 is provided with a fixing hole 7, and the handle hook is hooked into the fixing hole 7 to rotate the fastening screw 5, so that the size of the device can be adjusted. In addition, an internal hexagonal groove is provided at the end face of the end of the fastening screw 5 close to the fixing hole 7, which is not shown in the figure. The internal hexagonal groove can be used to rotate the fastening screw 5 by electric tools, which can save time and effort. The internal hexagonal groove is selected because the internal hexagonal groove has the widest range of use.
[0041] The embodiments of the specific embodiments are the preferred embodiments of the application, and are not limited to the protection scope of the application. Therefore, any equivalent changes made according to the structure, shape and principle of the application should be covered within the protection scope of the application.
Claims
1. A recyclable protective device for working level planar openings, characterized in that, It includes a fastening screw (5) and two telescopic support rods (3). One end of the fastening screw (5) is connected to a positioning nut (10). Several screw connectors (4) are threaded onto the fastening screw (5). Telescopic connecting rods (2) are respectively hinged to both ends of the screw connectors (4). A U-shaped fastener (1) is hinged to the side of the telescopic connecting rod (2) away from the screw connectors (4). A scaffold fastener (6) is installed on the U-shaped fastener (1). The scaffold fastener (6) is also provided with a fastening screw (9). The two ends of the telescopic support rod (3) are respectively hinged to the two telescopic connecting rods (2), and the two telescopic connecting rods (2) are respectively connected to the same end of the two screw connectors (4).
2. The recyclable working level planar opening protection device according to claim 1, characterized in that, The screw connector (4) is provided with a groove (8), and the mounting mechanism (12) is connected in the groove (8) through a sliding block (11).
3. The recyclable working level planar opening protection device according to claim 1, characterized in that, One end of the fastening screw (5) is provided with a fixing hole (7), and an internal hexagonal groove is provided on the end face of the fastening screw (5) near the fixing hole (7).
4. A method for installing a recyclable working-level planar opening protection device as described in any one of claims 1 to 3, characterized in that, Includes the following steps: S1: Adjust the four U-shaped fasteners (1) of the device to match the size of the inner circumference of the opening; S2: By hoisting, the U-shaped slot of the U-shaped fastener (1) on one side is mounted on the protrusion on one side of the opening; S3: Place the U-shaped fastener (1) on the other side opposite the U-shaped fastener (1) in S2, hook the handle hook into the screw rotation handle fixing hole (7), rotate, so that the two screw connectors (4) move closer to each other under the action of the fastening screw (5), so that the U-shaped fastener (1) extends towards the inner wall of the opening and achieves the purpose of fastening. S4: Fix the scaffold steel pipes with scaffold couplers (6), and also fix and install scaffold steel pipes of the corresponding length on the opposite side; S5: On the two scaffolding steel pipes, fix the corresponding scaffolding couplers (6) vertically according to the construction specifications and actual site conditions, fix the corresponding scaffolding steel pipes vertically, and install and fix the placement frame on the upper side.
5. The installation method of a recyclable working level plane opening protection device according to claim 4, characterized in that, The protrusion in S2 refers to the steel frame that protrudes from the floor slab or is embedded inside the elevator shaft.
6. The installation method of a recyclable working level plane opening protection device according to claim 4, characterized in that, The length of the scaffolding steel pipe in S4 is the length of the U-shaped fixing device (1) mounted on the wall on one side of the opening.
7. The installation method of a recyclable working level plane opening protection device according to claim 4, characterized in that, When the inner circumference of the opening to be protected is larger than the installation size on one side of the protective device, and when the vertical distance of the U-shaped fastener (1) meets the construction requirements, and only one U-shaped fastener (1) can be installed on the left and right, according to the requirements of the site, first meet the vertical dimensions, and then connect the two U-shaped fasteners (1) into one unit through the method of S4. Place them on the steel frame pre-embedded inside the floor slab or elevator shaft, tighten them through S3, and finally implement S5.
Citation Information
Patent Citations
Elevator shaft entrance protection platform
CN112900900A
Floor slab horizontal hole safety protection device before large-area floor tile paving
CN116005982A
Fixing and fastening device for temporary protective door at elevator shaft opening
CN214996235U