CN217631442U

CN217631442U - Movable protective cover suitable for horizontal hole of operation layer

Info

Publication number: CN217631442U
Application number: CN202221320925.0U
Authority: CN
Inventors: 朱刚; 陈昊; 赵勇; 杜政军; 许代蓉; 陆伟丹; 唐婵媛; 杨虹琪
Original assignee: Sichuan No3 Construction Engineering Co ltd
Current assignee: Sichuan No3 Construction Engineering Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-10-21
Anticipated expiration: 2032-05-30

Abstract

The utility model discloses a movable protective cover suitable for a horizontal hole of an operation layer, which relates to the technical field of building construction, and is arranged at the upper end of the horizontal hole of a building under the use state, and comprises a keel frame and a reinforcing fastener, wherein the keel frame comprises a plurality of main keels and secondary keels arranged between the main keels; the reinforcing fastener comprises a first reinforcing fastener, two ends of the first reinforcing fastener are respectively provided with a connecting groove matched with the main keel and the secondary keel, and the first reinforcing fastener is arranged between the main keel and the secondary keel. The problem of operation layer level entrance to a cave protection casing can block the sight, be difficult to the removal is solved, a protection casing that can remove is proposed to the structure that fossil fragments are given first place can not block the sight of elevartor shaft position, and the easy hook of fossil fragments, and weight is lighter, and the removal efficiency is higher.

Description

Remove protection casing suitable for operation layer horizontal entrance to a cave

Technical Field

The utility model relates to a construction technical field especially relates to a remove protection casing suitable for operation layer horizontal entrance to a cave.

Background

Along with the improvement of building and construction technology, the occupation ratio of high-rise buildings is more and more, and unsafe factors are more and more in the construction process of the building. The most common one of the field accidents of the building engineering is the occurrence of a high-fall accident, the occurrence of the high-fall accident mainly occurs at a horizontal hole in a building which is not completed, for example, when the construction such as external frame erection, internal frame erection, reinforcement, concrete pouring and the like is carried out, constructors face higher risks, the falling accident easily occurs at the horizontal hole which is easy to neglect in an elevator shaft, and in the actual construction process, the simple shielding is generally carried out by using a template or waste building materials, so that the safety is still very unsafe. Some protection casings that are applicable to the elevartor shaft that have now can prevent to fall, nevertheless can shelter from the elevartor shaft, consume the material, and general area is great, and it is very inconvenient to remove when going on along with the construction progress.

SUMMERY OF THE UTILITY MODEL

The utility model provides a horizontal entrance to a cave protection casing of operation layer can block the sight, be difficult to the problem that removes, provide a protection casing that can remove to fossil fragments structure as giving first place to can not block the sight of elevartor shaft position, and the easy hook of fossil fragments, weight is lighter, and the removal efficiency is higher.

The utility model discloses a following technical scheme realizes:

a movable protective cover suitable for a horizontal hole of an operation layer is arranged at the upper end of the horizontal hole of a building in a use state and comprises a keel frame and a reinforcing fastener, wherein the keel frame comprises a plurality of main keels and secondary keels arranged between the main keels; the reinforcing fastener is arranged between the main keel and the secondary keel.

In this scheme, the main joist makes up for a plurality of rectangle frameworks, the main joist of top forms the toper structure, form keel frame's basic structure, this keel frame's length and width should be according to elevartor shaft design length and width size design, in order to place the protection casing on the secondary joist of the side of elevartor shaft shear wall or crossbeam according to the figure mode down, the value of length and width should be than the total clearance length of elevartor shaft and width little 30 ~ 140mm, this keel frame's highly increased can optimize structure biography power mode to a certain extent, nevertheless increase structure self weight, and the handling degree of difficulty increases, the total height reduces then the opposite. Therefore, in order to ensure that the structure is more convenient to transport upwards in the elevator shaft and has a better force transmission mode, the total height H is 0.8-1.3 m. The reinforcing fastener is mainly used for preventing holes from being formed in the protective cover due to bending deformation of the main keel and the secondary keel in the long-term use process;

the reinforcing fastener comprises a first reinforcing fastener, the two ends of the first reinforcing fastener are respectively provided with connecting grooves matched with the main keel and the secondary keel, the first reinforcing fastener is arranged between the main keel and the secondary keel, collision or shaking is prevented in the using process, the main keel and the secondary keel are enabled to generate overlarge gaps through bending deformation, the safety of the protective cover is guaranteed, the service life is prolonged, the reinforcing fastener can be made of wood or metal, and the same main keel can be sleeved with the plurality of first reinforcing fasteners.

Furthermore, the upper end of the keel frame is provided with a plurality of hoisting rings, the material of each hoisting ring is generally selected from A16 round steel, and the protective cover provided with the hoisting rings can be easily hoisted by hoisting equipment on a construction site so as to be moved to other elevator well mouths.

Further, the main joist includes the bottom main joist and the top main joist that the slope set up in bottom fossil fragments upper end that the level set up, the fossil fragments frame is the framework of pyramid type. The height of the protective cover of the elevator shaft can influence the force transmission mode of the structure, the self weight of the structure and the lifting convenience of the structure. The total height increase can optimize structure biography power mode to a certain extent, but increases structure self weight, and the handling degree of difficulty increases, and the total height reduces then the opposite. In order to ensure that the structure is more convenient to transport upwards in the elevator shaft and has a better force transmission mode, the recommended total height H is 0.8-1.3 m

Preferably, secondary joist parallel arrangement in between the main joist, clearance between the secondary joist is less than 120mm, and the secondary joist interval can influence security and structure self weight that use, and the secondary joist interval reduces can improve the security, but can increase structure self weight. The interval of the secondary keel is suitable for ensuring that the legs of common people cannot be sunk between the keels, and the interval value of the secondary keel is recommended to be 80-120 mm.

Further, consolidate the fastener and include that the second consolidates the fastener, the both ends that the fastener was consolidated to the second be equipped with the spread groove of secondary joist adaptation, the fastener is consolidated to the second sets up between the secondary joist, and the inside of spread groove is equipped with unevenness's line, and the increase resistance prevents that a plurality of reinforcement fasteners from producing when connecting on main joist and secondary joist and sliding.

Preferably, the joints of the main keel steel bars are connected through a rib welding process, the connecting positions of the secondary keels and the main keels are connected through an electric welding process, steel materials selected for the main keels and the secondary keels generally come from redundant or sheared steel bars in a construction site, the main keels and the secondary keels are connected through a welding technology, the cost is low, the manufacturing speed is high, gaps exist among different keels, and the sight line of the elevator shaft cannot be blocked.

Preferably, keel frame's corner position is equipped with the triangle underframe, the shape of triangle underframe and the shape adaptation of building horizontal entrance to a cave, the triangle underframe passes through steel wire fixed connection and is in on the main joist, the small area space in four corners of this triangle underframe can block the elevartor shaft, can prevent keel frame bottom production from rocking wearing and tearing through steel wire and keel frame connection simultaneously.

Preferably, the spraying has protective paint on main joist and the secondary joist, makes the protection casing play the effect of safety warning to prevent the corrosion, long duration of prolonged use. Generally, the same type of paint and corresponding diluent are selected and must be fully and uniformly stirred before reliable use, diluted to proper viscosity and filtered by a 120-200 mesh molecular sieve to remove paint skin and impurity finish, and the phenomena of uniform paint layer, no flow mark, missing paint, foaming and the like are required. And after the second paint is dried, the second paint can be coated.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

1. the gap between the keel frames ensures that the protective cover can not block the sight of the elevator shaft;

2. the keel frame and the special hoisting ring enable the protective cover to be lifted and moved in a portable mode;

3. the adopted keel frame material is derived from redundant steel bars, so that the cost is low.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

fig. 1 is a top view of the overall structure of the present invention;

fig. 2 is an elevation view of the whole structure of the present invention;

fig. 3 is a partial structural schematic view when the elevator car is installed on an elevator shaft;

fig. 4 is a schematic structural view of a reinforcing fastener of the present invention;

reference numbers and corresponding part names in the figures:

1-a keel frame; 11-main keel; 111-bottom main runner; 112-top main keel; 12-a secondary keel; 2-reinforcing fasteners; 21-a first reinforcing fastener; 22-a second reinforcing fastener; 3-hoisting rings; 4-triangular bottom frame; 41-steel wire; 5-sideform.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to those of ordinary skill in the art that: it is not necessary to employ these specific details to practice the invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the invention.

Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the present invention. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In the description of the present invention, the terms "front", "back", "left", "right", "up", "down", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the scope of the present invention.

Examples

A movable protective cover suitable for a horizontal opening of an operation layer is arranged at the upper end of the horizontal opening of a building, and comprises the following components in a figure 1:

the keel frame comprises a keel frame 1, wherein the keel frame 1 comprises a plurality of main keels 11 and secondary keels 12 arranged between the main keels 11; the main joist 11 is a plurality of rectangle framework combination, and the main joist 11 of top forms the toper structure, forms the basic structure of fossil fragments frame 1, and the length and the width of this fossil fragments frame 1 should be according to elevator shaft design length and width size design, in order to place the protection casing on the secondary joist 12 of the side of elevator shaft shear wall or crossbeam according to the mode of following the figure, and the value ratio elevator shaft total clearance length of this department length and width is 60mm with the width difference, and secondary joist 12 sets up between main joist 11, forms complete protection casing structure. And C16 is taken as the reinforcing steel bar of the main keel 11, and C10 is taken as the reinforcing steel bar of the secondary keel 12.

Consolidate fastener 2, consolidate fastener 2 and locate between main joist 11 and the secondary joist 12, as shown in fig. 4, consolidate fastener 2 and include first consolidation fastener 21, the both ends of first consolidation fastener 21 are equipped with the spread groove with main joist 11 and secondary joist 12 adaptation respectively, first consolidation fastener 21 sets up between main joist 11 and secondary joist 12, this consolidation fastener 2 mainly used prevents that in the long-term use main joist 11 and secondary joist 12 bending deformation from leading to the entrance to a cave 1 appearing on the shield, the life of this protection casing has been prolonged.

In one or more embodiments, as shown in fig. 2, a plurality of lifting rings 3 are arranged at the upper end of the keel frame 1, the lifting rings 3 are made of a round steel material a16, and a constructor can directly lift the steel frame by using on-site lifting equipment to move the steel frame.

In one or more embodiments, the main keels 11 include horizontally arranged bottom main keels 111 and obliquely arranged top main keels 112 at the upper ends of the bottom keels, the keel frame 1 is a pyramid-shaped frame, the increase of the vertical height of the main keels 11 can optimize the force transmission mode of the structure to a certain extent, but the self weight of the structure is increased, the lifting difficulty is increased, and the overall height is reduced. In order to ensure that the structure is convenient to transport upwards in the elevator shaft and has a good force transmission mode, the height of the top main keel 112 in the drawing is 1m.

In one or more embodiments, as shown in fig. 1, the cross runners 12 are arranged in parallel between the main runners 11, and the gap between the cross runners 12 is less than 120mm, i.e. it should be less than the size of the sole of the foot of the construction worker, and the foot of the construction worker is prevented from being caught on the cross runners 12, and the cross runners 12 in this figure are taken to be 100mm.

In one or more embodiments, as shown in fig. 4, the fastening member 2 further includes a second fastening member 22, two ends of the second fastening member 22 are provided with connecting grooves adapted to the cross runners 12, and the second fastening member 22 is disposed between the cross runners 12. The inside of spread groove is equipped with unevenness's line, and the increase resistance prevents that a plurality of reinforcement fastener 2 from producing when connecting on main joist 11 and secondary joist 12 and sliding.

In one or more embodiments, the main keel 11 and the secondary keel 12 are generally manufactured by recycling some redundant steel bars in a construction site, the joints of the steel bars of the main keel 11 are connected through an upper bar welding process, the connecting positions of the secondary keel 12 and the main keel 11 are formed by welding redundant steel bar building materials through an electric welding process, and a large amount of cost is saved.

In one or more embodiments, as shown in fig. 3, when the protective cover is placed on the wood of the elevator shaft, since the side forms 5 of the elevator shaft are larger than the keel frame 1, small-area gaps still exist at four corners of the elevator shaft, and in order to fill the gaps, triangular bottom frames 4 are arranged at the corner positions of the keel frame 1, and the shape of the triangular bottom frames 4 is matched with the shape of a horizontal opening of a building, so that the gaps can be blocked, and the feet of a constructor can be prevented from being blocked.

In one or more embodiments, as shown in fig. 3, in order to prevent the keel frame 1 from sliding and wearing, the triangular bottom frame 4 is fixedly connected to the main keel 11 through steel wires 41, where the steel wires 41 are also common materials in construction sites, so that the binding and shearing efficiency is high, the fixing effect is good, and the position of the keel frame 1 can be relatively fixed.

In one or more embodiments, in order to make the protective cover play a role of safety warning, prevent corrosion and prolong the service life, the protective cover can be painted.

The performance of protective paints is affected to a large extent by the surface conditions of the substrate which are in direct contact with the coating. The surface treatment is carried out before the painting, so that all the dirt can be removed completely, the chance of initial corrosion is reduced, the surface roughness is formed, and the paint to be painted has sufficient adhesive force. The loose scale, rust and aging coating on the steel surface can be brushed off with a steel wire 41 brush, sanded with sandpaper, and scraped with a hand tool.

Before the paint is used, the matching performance of various paints, namely the matching performance of a primer, a finish paint, a diluent and the like, must be known according to the corresponding paint process and the use instruction, or the quality problems of paint biting, layering, precipitation, gelatinization, de-addition and the like can occur.

The air spraying place is determined by adjusting the paint diluent to a certain viscosity, the size of a nozzle and the required amount of the paint surface before the paint is sprayed by a good ventilation and dust removal whole facility. The distance between the nozzle and the spraying surface is 250-400 mn. The spraying direction of the spraying liquid should be as perpendicular to the surface to be sprayed as possible. In order to obtain a uniform coating, the edge of each sprayed layer should overlap 1/3 of the edge of the previously sprayed layer, and the speed of the spray gun should be controlled uniformly and uniformly at a rate of 30-60 cm/s.

The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a remove protection casing suitable for operation layer horizontal entrance to a cave, should remove the protection casing and set up in building horizontal entrance to a cave upper end under the user state, its characterized in that includes:

the keel frame (1) comprises a plurality of main keels (11) and secondary keels (12) arranged between the main keels (11);

consolidate fastener (2), consolidate fastener (2) including first consolidation fastener (21), the both ends of first consolidation fastener (21) be equipped with respectively with the spread groove of main joist (11) and secondary joist (12) adaptation, first consolidation fastener (21) set up between main joist (11) and secondary joist (12).

2. The mobile shelter for a horizontal opening in an operation layer as claimed in claim 1, wherein the upper end of the keel frame (1) is provided with a plurality of lifting rings (3).

3. The movable protective cover suitable for the horizontal hole of the working floor is characterized in that the main keels (11) comprise a bottom main keel (111) horizontally arranged and a top main keel (112) obliquely arranged at the upper end of the bottom keel, and the keel frame (1) is a pyramid-shaped frame body.

4. A mobile shield suitable for horizontal openings in working layers according to claim 1, characterised in that the cross runners (12) are arranged in parallel between the main runners (11), the gap between the cross runners (12) being less than 120mm.

5. The mobile shelter for horizontal openings of working floors as claimed in claim 1, wherein said reinforcing fasteners (2) comprise second reinforcing fasteners (22), said second reinforcing fasteners (22) having connecting slots at both ends adapted to said cross runners (12), said second reinforcing fasteners (22) being disposed between said cross runners (12).

6. The movable protective cover applicable to the horizontal hole of the working floor is characterized in that the joints of the steel bars of the main keels (11) are connected through an upper bar welding process, and the joints of the secondary keels (12) and the main keels (11) adopt an electric welding process.

7. The mobile shield for horizontal openings of working floors as claimed in claim 1, wherein the keel frame (1) is provided with a triangular bottom frame (4) at the corner position, and the shape of the triangular bottom frame (4) is adapted to the shape of the horizontal openings of buildings.

8. The mobile shelter for a horizontal opening in an operation floor as claimed in claim 7, wherein the triangular bottom frame (4) is fixedly connected to the main keel (11) through a steel wire (41).

9. The mobile shield for horizontal openings in working floors as claimed in claim 1, wherein the main runners (11) and the cross runners (12) are painted with a protective paint.