CN219033304U - Vertical shaft anti-falling steel mesh - Google Patents
Vertical shaft anti-falling steel mesh Download PDFInfo
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- CN219033304U CN219033304U CN202222910611.2U CN202222910611U CN219033304U CN 219033304 U CN219033304 U CN 219033304U CN 202222910611 U CN202222910611 U CN 202222910611U CN 219033304 U CN219033304 U CN 219033304U
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- vertical shaft
- plates
- screen plate
- shaft
- mesh
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
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Abstract
The utility model discloses a vertical shaft anti-falling steel mesh which comprises a vertical shaft, side mesh plates and bottom mesh plates, wherein the bottom mesh plates and the four side mesh plates are enclosed to form a rectangular cage body with an opening at the upper part, the four side mesh plates are welded with each other, one side of the bottom mesh plate is hinged with the bottom of one side mesh plate through a connecting buckle, the inner wall of the vertical shaft is provided with expansion screws, the upper part and the lower part of the side mesh plates are connected with the expansion screws through connecting reinforcing steel bars, the upper part of the vertical shaft is provided with a well cover, and the distance between the well cover and the upper part of the side mesh plates is 5cm to 10cm. According to the utility model, the cage body with the upper opening is formed by the side screen plates and is fixed on the inner wall of the vertical shaft, so that personnel can be prevented from falling into the vertical shaft to accident, the space can be provided after the bottom screen plates are turned upwards, the personnel can conveniently pass through the anti-falling steel mesh and enter the lower part of the vertical shaft to overhaul, the side screen plates and the bottom screen plates are difficult to age and corrode after being subjected to rust-proof treatment, the vertical shaft can be used for a long time, and the reliability is high.
Description
Technical Field
The utility model belongs to the field of engineering construction, and particularly relates to a vertical shaft anti-falling steel mesh.
Background
In municipal road and underground pipe network construction, need extensively set up the shaft, be convenient for operation such as overhaul in the later stage, chinese patent like application number 202120259415.6 discloses novel municipal drainage inspection shaft, damage at the well lid or after the well lid is stolen, in order to avoid personnel unexpected fall, all be provided with the anti-drop net on the majority shaft at present, to some less inspection shafts of diameter, can adopt soft anti-drop net, and to the shaft of a lower opening more than 1M, big soft anti-drop net is fixed and is not woven, and soft anti-drop net is woven mainly by nylon rope at present and make, the environment of shaft is more moist, nylon rope etc. is liable to age and is led to anti-drop net inefficacy, consequently, need a shaft anti-drop steel mesh, it is made by the reinforcing bar, be applicable to the great shaft of opening, and anti-drop steel mesh lower part can be opened, the personnel of being convenient for enter into the shaft and overhaul.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a vertical shaft anti-falling steel mesh, which can solve the problems that a soft anti-falling mesh in the prior art is easy to age and inconvenient to install.
The utility model is realized by the following technical scheme.
The utility model provides a vertical shaft anti-falling steel mesh which comprises a vertical shaft, side mesh plates and bottom mesh plates, wherein the bottom mesh plates and the four side mesh plates are enclosed to form a rectangular cage body with an opening at the upper part, the four side mesh plates are welded with each other, one side of the bottom mesh plate is hinged with the bottom of one side mesh plate through a connecting buckle, expansion screws are arranged on the inner wall of the vertical shaft, the upper part and the lower part of the side mesh plates are connected with the expansion screws through connecting steel bars, a well cover is arranged at the upper part of the vertical shaft, and a distance between 5cm and 10cm is reserved between the well cover and the upper part of the side mesh plates.
The bottom of the side screen plate is provided with a flanging which is inwards bent by 90 degrees.
The width of the flanging is 5cm to 10cm.
When the bottom screen plate rotates to be horizontal, the lower part of the bottom screen plate leans against the upper part of the flanging.
One end of the connecting steel bar is welded with the side screen plate, the other end of the connecting steel bar is bent to form a U-shaped part, the opening of the U-shaped part is downward, and the connecting steel bar is connected with the expansion screw through the U-shaped part.
The distance between the side screen plate and the inner wall of the vertical shaft is 5cm to 12cm.
Four corners of the side screen plate are respectively provided with connecting steel bars, and expansion screws are respectively arranged at corresponding positions on the inner wall of the vertical shaft.
The utility model has the beneficial effects that: the cage body with the upper part open is formed by the side screen plates and is fixed on the inner wall of the vertical shaft, personnel are prevented from falling into the vertical shaft to generate accidents, the bottom screen plates can provide space for personnel to pass through the anti-falling steel mesh to enter the lower part of the vertical shaft for maintenance after being overturned upwards, the side screen plates and the bottom screen plates are difficult to age and corrode after being subjected to rust prevention treatment, and the cage body can be used for a long time and has high reliability.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a top view of a side screen;
FIG. 3 is a schematic view of the structure of the U-shaped portion;
in the figure: the vertical well comprises a 1-vertical well, a 2-side screen plate, a 3-bottom screen plate, 4-connecting buckles, 5-expansion screws, 6-connecting steel bars, 7-well covers, 8-flanging and 9-U-shaped parts.
Detailed Description
The technical solution of the present utility model is further described below, but the scope of the claimed utility model is not limited to the above.
As shown in fig. 1, fig. 2 and fig. 3, a vertical shaft anti-falling steel mesh comprises a vertical shaft 1, side net plates 2 and a bottom net plate 3, wherein the bottom net plate 3 and four side net plates 2 are enclosed into a rectangular cage body with an upper opening, the four side net plates 2 are welded with each other, one side of the bottom net plate 3 is hinged with the bottom of one side net plate 2 through a connecting buckle 4, an expansion screw 5 is arranged on the inner wall of the vertical shaft 1, the upper part and the lower part of the side net plates 2 are connected with the expansion screw 5 through connecting steel bars 6, a well cover 7 is arranged on the upper part of the vertical shaft 1, and the distance between the well cover 7 and the upper part of the side net plate 2 is 5cm to 10cm.
The dimensions of the side screen plate 2, the bottom screen plate 3 and the reinforcing steel bars 6 are designed according to the dimension of the vertical shaft 1 and are welded to form a rectangular cage body, then holes are formed in the inner wall of the vertical shaft 1 and expansion screws 5 are prevented, the welded cage body is hoisted and placed into the vertical shaft 1, the opening of the U-shaped part 9 is downward, the U-shaped part can be clamped on the expansion screws 5 during hoisting, after the expansion screws 5 are screwed up, the side screen plate 2 can be connected with the inner wall of the vertical shaft 1, due to the limitation of the flanging 8, the bottom screen plate 3 can only be turned upwards, when personnel fall into the vertical shaft 1, the personnel can be blocked through the bottom screen plate 3 and the side screen plate 2, the injury of the personnel is reduced, and meanwhile, when the maintenance is needed, the bottom screen plate 3 is turned upwards and then enters the vertical shaft from the lower part of the anti-falling steel screen so as to facilitate the maintenance. The side screen plate and the bottom screen plate are not easy to age and corrode after being subjected to rust prevention treatment, can be used for a long time, and have high reliability.
The bottom of side otter board 2 is equipped with turn-ups 8, and turn-ups 8 inwards buckle 90, support bottom otter board 3 through turn-ups 8, prevent its upset downwards, when personnel fall into shaft 1, can block personnel through bottom otter board 3 and side otter board 2, reduce personnel's injury.
The width of the flanging 8 is 5cm to 10cm, so that the flanging 8 can be clamped at the lower part of the bottom screen plate 3.
When the bottom screen plate 3 rotates to be horizontal, the lower part of the bottom screen plate 3 leans against the upper part of the flanging 8, the bottom screen plate 3 is supported through the flanging 8, the bottom screen plate 3 is prevented from overturning downwards, when a person falls into the vertical shaft 1, the person can be blocked through the bottom screen plate 3 and the side screen plate 2, and the injury to the person is reduced.
Connecting bar 6 one end and side otter board 2 welding, the bending of connecting bar 6 other end is the opening of U type portion 9,U type portion 9 downwards, and connecting bar 6 passes through U type portion 9 and is connected with expansion screw 5 for when installing anti-falling steel mesh, U type portion 9 can block on connecting bar 6, supports anti-falling steel mesh, makes anti-falling steel mesh fix on shaft 1.
The distance between the side screen plate 2 and the inner wall of the vertical shaft 1 is 5cm to 12cm, so that the connecting steel bars 6 have a certain deformation allowance, and the anti-falling steel mesh can be still installed when the position of the expansion screw 5 deviates.
Four corners of the side screen plate 2 are respectively provided with a connecting steel bar 6, expansion screws 5 are respectively arranged at corresponding positions on the inner wall of the vertical shaft 1, and the side screen plate 2 is fixed on the vertical shaft 1 through the cooperation of the connecting steel bars 6 so that people falling down can be conveniently caught by the supporting force.
Claims (7)
1. The utility model provides a steel mesh that falls is prevented to shaft which characterized in that: comprises a vertical shaft (1), side net plates (2) and a bottom net plate (3), wherein the bottom net plate (3) and the four side net plates (2) form a rectangular cage body with an opening at the upper part, the four side net plates (2) are welded with each other, and one side of the bottom net plate (3) is hinged with the bottom of one side net plate (2) through a connecting buckle (4); the inner wall of the vertical shaft (1) is provided with expansion screws (5), and the upper part and the lower part of the side screen plate (2) are connected with the expansion screws (5) through connecting steel bars (6); the upper part of the vertical shaft (1) is provided with a well cover (7), and the well cover (7) is 5cm to 10cm away from the upper part of the lateral screen plate (2).
2. A shaft fall arrest steel mesh according to claim 1, wherein: the bottom of the side screen plate (2) is provided with a flanging (8), and the flanging (8) is inwards bent for 90 degrees.
3. A shaft fall arrest steel mesh according to claim 2, wherein: the width of the flanging (8) is 5cm to 10cm.
4. A shaft fall arrest steel mesh according to claim 1, wherein: when the bottom screen plate (3) rotates to be horizontal, the lower part of the bottom screen plate (3) leans against the upper part of the flanging (8).
5. A shaft fall arrest steel mesh according to claim 1, wherein: one end of the connecting steel bar (6) is welded with the side screen plate (2), the other end of the connecting steel bar (6) is bent to form a U-shaped part (9), the opening of the U-shaped part (9) is downward, and the connecting steel bar (6) is connected with the expansion screw (5) through the U-shaped part (9).
6. A shaft fall arrest steel mesh according to claim 1, wherein: the distance between the side screen plate (2) and the inner wall of the vertical shaft (1) is 5cm to 12cm.
7. A shaft fall arrest steel mesh according to claim 1, wherein: four corners of the side screen plate (2) are respectively provided with a connecting steel bar (6), and expansion screws (5) are respectively arranged at corresponding positions on the inner wall of the vertical shaft (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222910611.2U CN219033304U (en) | 2022-11-02 | 2022-11-02 | Vertical shaft anti-falling steel mesh |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222910611.2U CN219033304U (en) | 2022-11-02 | 2022-11-02 | Vertical shaft anti-falling steel mesh |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219033304U true CN219033304U (en) | 2023-05-16 |
Family
ID=86278825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222910611.2U Active CN219033304U (en) | 2022-11-02 | 2022-11-02 | Vertical shaft anti-falling steel mesh |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219033304U (en) |
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2022
- 2022-11-02 CN CN202222910611.2U patent/CN219033304U/en active Active
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