CN219471611U - Assembled overhead working protection network - Google Patents

Abstract

The utility model discloses an assembled high-altitude operation protection net, which comprises an anti-falling steel anchor, a pull belt, a knotless net, a dense mesh type safety net and a main body structure, wherein the main body structure is provided with a hole, a plurality of anti-falling steel anchors are arranged on the four peripheries of the inner wall of the hole, the dense mesh type safety net is arranged at the hole and connected with the anti-falling steel anchor, two ends of the pull belt are fixed on the anti-falling steel anchor and arranged on the upper part of the dense mesh type safety net, and the periphery of the knotless net is fixed on the anti-falling steel anchor and arranged on the upper part of the pull belt. The utility model has the beneficial effects that: the utility model has simple installation and disassembly and high construction speed; the pull belt is added to improve the safety redundancy; the elevator door opening can be free of a temporary safety protection door; the anti-falling steel anchors, the pull belts, the polypropylene knotless net and the common dense mesh safety net can adapt to main structure holes with different sizes, can be used in a turnover way, and has low cost.

Description

Assembled overhead working protection network

Technical Field

The utility model relates to the technical field of building construction, in particular to an assembled high-altitude operation protective net.

Background

When the main body structure hole template engineering is constructed, an operation platform is required to be erected and safety protection is arranged for reinforcing the inner side template of the main body structure hole. According to the standard requirements, the vertical templates with the height exceeding 2m are assembled, an operation platform is required to be erected, and safety protection is required to be arranged. At present, the main structure opening protection scheme comprises the following steps:

first kind: setting up a floor type scaffold, adopting an I-steel cantilever and fully paving a steel springboard as an operation platform in the middle, and sealing every 10m below a construction layer by using a safety net;

second kind: adopting a shaping construction steel platform, lifting along with floors by adopting a tower crane, and sealing with steel pipes and safety nets every 10m below the construction layer;

however, in the prior art, when the method is adopted for construction, certain disadvantages and limitations exist at the same time:

the outer sides of the periphery of the operation frame are uniformly and symmetrically provided with fixed nodes with a building structure, the construction procedures are multiple, the flow is complex, the operation frame is large in height and width by adopting a fastener type steel pipe to set up a main structure hole, the capability of resisting horizontal load is poor, the stability is poor, the operation frame is easy to shake left and right, the construction safety is influenced, the door hole is additionally provided with safety protection, and the overall cost is high;

the second scheme has relatively fewer pull nodes, the steel platform has poor adaptability to buildings with different hoistway sizes and different floors, the steel platform basically cannot turn over, in addition, the tower crane is required to be matched and lifted, and the door opening is required to be additionally provided with safety protection, so that the overall cost is high.

Therefore, it is necessary to provide an assembled overhead working protection net for the above problems.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide an assembled high-altitude operation protection net so as to solve the problems.

The utility model provides an assembled high altitude construction protection network, includes protection network body and major structure, the major structure is provided with the entrance to a cave, the protection network body install in entrance to a cave department, the protection network body is including preventing weighing down steel anchor, stretching strap, knotless net and dense mesh formula safety net, the inner wall four periphery of entrance to a cave all installs a plurality of and prevents weighing down steel anchor, dense mesh formula safety net sets up in the entrance to a cave and is connected with preventing weighing down steel anchor, the both ends of stretching strap are fixed in prevent weighing down steel anchor and set up in the upper portion of dense mesh formula safety net, the limit of knotless net be fixed in prevent weighing down steel anchor and set up in the upper portion of stretching strap.

Preferably, the anti-falling steel anchor comprises an anti-falling screw rod, an expansion sleeve, a gasket and a hexagonal nut, wherein one end of the anti-falling screw rod is connected with the expansion sleeve, the hexagonal nut is connected with the anti-falling screw rod through the gasket, and the expansion sleeve is embedded in the main body structure.

Preferably, the other end of the anti-falling screw is connected with an anti-falling hook.

Preferably, the end point of the hook bending end of the anti-falling hook faces upwards.

Preferably, the pull belt comprises a main body belt, and a plurality of pull rings which are distributed at intervals are arranged at two ends of the main body.

Preferably, the distance between two adjacent pull rings is 50mm.

Preferably, the body strap and the knotless net are both made of polypropylene material.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has simple installation and disassembly and high construction speed; the pull belt is added to improve the safety redundancy; the elevator door opening can be free of a temporary safety protection door; the anti-falling steel anchors, the pull belts, the polypropylene knotless net and the common dense mesh safety net can adapt to main structure holes with different sizes, can be used in a turnover way, and has low cost.

Drawings

Fig. 1 and 2 are block diagrams of an assembled overhead operation protection net provided by the utility model;

fig. 3 and 4 are main body structure diagrams of the protection net of the present utility model;

FIG. 5 is a drawing of the fall arrest steel anchor construction of the present utility model;

FIG. 6 is a view showing a construction of the falling preventive steel anchor of the present utility model in a developed state;

FIG. 7 is a drawing of a draw tape construction of the present utility model;

fig. 8 is a structure diagram of the knotless net of the present utility model.

Reference numerals in the drawings: 1. anti-falling steel anchors; 2. pulling a belt; 3. a knotless net; 4. a dense mesh safety net; 5. a main body structure; 6. an opening; 101. an anti-falling screw; 102. an expansion sleeve; 103. a gasket; 104. a hexagonal nut; 105. anti-falling hooks; 201. a main body belt; 202. and (5) a pull ring.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

Embodiments of the utility model are described in detail below with reference to the attached drawings, but the utility model can be implemented in a number of different ways, which are defined and covered by the claims.

As shown in fig. 1 and in combination with fig. 2 to 8, an assembled high-altitude construction protection network comprises a protection network body 7 and a main body structure 5, wherein the main body structure 5 is provided with a hole 6, the protection network body 7 is installed at the hole 6, the protection network body 7 comprises an anti-falling steel anchor 1, a drawstring 2, a knotless net 3 and a dense-mesh safety net 4, a plurality of anti-falling steel anchors 1 are installed at the four peripheries of the inner wall of the hole 6, the dense-mesh safety net 4 is arranged at the hole 6 and connected with the anti-falling steel anchors 1, two ends of the drawstring 2 are fixed on the anti-falling steel anchors 1 and are arranged on the upper part of the dense-mesh safety net 4, and the four peripheries of the knotless net 3 are fixed on the anti-falling steel anchors 1 and are arranged on the upper part of the drawstring 2.

The hole 6 of the main body structure 1 is provided with the knotless net 3 made of high-strength polypropylene, so that personnel can effectively ensure safe operation in the hole 6 of the main body structure 1, and the dense-mesh safety net 4 can effectively prevent small-size objects from falling to hurt people, and the hole 6 does not need to be additionally provided with a safety protection door.

Further, the anti-falling steel anchor 1 comprises an anti-falling screw rod 101, an expansion sleeve 102, a gasket 103 and a hexagonal nut 104, one end of the anti-falling screw rod 101 is connected with the expansion sleeve 102, the hexagonal nut 104 is connected with the anti-falling screw rod 101 through the gasket 103, and the expansion sleeve 102 is embedded in the main body structure 5.

Further, the other end of the anti-falling screw 101 is connected with an anti-falling hook 105.

Further, the end point of the hook bending end of the anti-falling hook 105 faces upwards.

Further, the pull strap 2 includes a main strap 201, and a plurality of pull rings 202 distributed at intervals are disposed at two ends of the main strap 201.

Further, the distance between two adjacent pull rings 202 is 50mm, so that the device can adapt to the holes 6 of the main body structures 5 with different sizes.

Furthermore, the main belt 201 and the knotless net 3 are both made of high-strength polypropylene materials, and the net node is as thick as other parts, so that the potential safety problem caused by uneven surface during operation of people is effectively solved; the drawstring 2 made of high-strength polypropylene is additionally arranged under the knotless net 3, so that the safety redundancy is further increased.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has simple installation and disassembly and high construction speed; the pull belt is added to improve the safety redundancy; the elevator door opening can be free of a temporary safety protection door; the anti-falling steel anchors, the pull belts, the polypropylene knotless net and the common dense mesh safety net can adapt to main structure holes with different sizes, can be used in a turnover way, and has low cost.

The using steps are as follows:

step one: after the vertical templates of the shear walls around the holes of the main body structure 5 are removed, the installation positions of the anti-falling steel anchors 1 are immediately paid out and positioned;

step two: the adopted hand-held electric drill is used for drilling, the aperture is generally required to be 3-5mm larger than that of the expansion sleeve, and the depth of the hole is generally required to be 10-25mm larger than that of the expansion sleeve;

step three: timely cleaning the holes after the drilling holes meet the requirements;

step four: after hole cleaning is completed, an expansion sleeve 102, a gasket 103, a hexagonal bolt 104 and an anti-falling screw 101 are sequentially installed, and the end point of the hook end of an anti-falling hook bend 105 of the anti-falling steel anchor 1 is upward;

step five: the dense mesh safety net 4, the drawstring 2 and the knotless net 3 are sequentially arranged, and the connection firmness between the dense mesh safety net and the anti-falling steel anchor 1 is noted;

step six: all floors are installed according to the step, before the formal elevator is installed, the horizontal protection is removed layer by layer, and the dense mesh safety net 4, the pull belt 2, the knotless net 3, the gasket 103, the hexagonal bolts 104 and the anti-falling screw 101 can be all transferred to other buildings for continuous construction.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes using the descriptions and drawings of the present utility model or directly or indirectly applied to other related technical fields are included in the scope of the utility model.

Claims (7)

1. An assembled high altitude construction protection network, its characterized in that: including protection network body (7) and major structure (5), major structure (5) are provided with entrance to a cave (6), protection network body (7) install in entrance to a cave (6) department, protection network body (7) are including preventing weighing down steel anchor (1), stretching strap (2), knotless net (3) and close mesh safety net (4), a plurality of prevent weighing down steel anchor (1) are all installed to the inner wall four periphery of entrance to a cave (6), close mesh safety net (4) set up in entrance to a cave (6) and are connected with prevent weighing down steel anchor (1), the both ends of stretching strap (2) are fixed in prevent weighing down steel anchor (1) and set up in the upper portion of close mesh safety net (4), the four periphery of knotless net (3) all is fixed in prevent weighing down steel anchor (1) and set up in the upper portion of stretching strap (2).

2. An assembled overhead working protecting net according to claim 1, wherein: the anti-falling steel anchor (1) comprises an anti-falling screw (101), an expansion sleeve (102), a gasket (103) and a hexagonal nut (104), one end of the anti-falling screw (101) is connected with the expansion sleeve (102), the hexagonal nut (104) is connected with the anti-falling screw (101) through the gasket (103), and the expansion sleeve (102) is embedded in a main body structure (5).

3. An assembled overhead working protecting net according to claim 2, wherein: the other end of the anti-falling screw rod (101) is connected with an anti-falling hook (105).

4. A fabricated overhead working protecting net according to claim 3, wherein: the end point of the hook bending end of the anti-falling hook (105) faces upwards.

5. An assembled overhead working protecting net according to claim 1, wherein: the pull belt (2) comprises a main belt (201), and a plurality of pull rings (202) which are distributed at intervals are arranged at two ends of the main belt (201).

6. The assembled overhead working protecting net according to claim 5, wherein: the distance between two adjacent pull rings (202) is 50mm.

7. The assembled overhead working protecting net according to claim 5, wherein: the main body belt (201) and the knotless net (3) are made of high-strength polypropylene materials.