Safety protection device for hoisting hole

Abstract

The utility model discloses a hoisting hole safety protection device, and relates to the technical field of building auxiliary tools, the device comprises a hole frame, two channel steel rails, a hole roller shutter, a driving assembly and two counterweight assemblies, the hole frame is erected right above a hoisting hole; the two channel steel rails are horizontally and symmetrically installed on the two sides of the opening frame in the first direction. The hole roller shutter is mounted on one side of the second direction of the hole frame, and the second direction is perpendicular to the first direction; the driving assembly is mounted on the side wall of the hole opening frame and is suitable for driving the hole opening roller shutter to move; the two counterweight assemblies are arranged on the side, away from the hole roller shutter, of the hole frame, one ends of the two counterweight assemblies are perpendicularly hung on the hole frame, and the other ends of the two counterweight assemblies are connected to the free end of the hole roller shutter through ropes. The protective device is not only inconvenient to construct, but also high in safety protection, time-saving and labor-saving.

Description

Technical Field

[0001] The utility model relates to the technical field of building auxiliary tools, in particular to a hoisting hole safety protection device. Background Art

[0002] At present, due to construction needs, a large number of holes are reserved in the top plate of the basement at the construction site for use in lifting and transportation of materials (commonly known as lifting holes). Such lifting holes are relatively large (generally the short side size is greater than 1.5m). Since the lifting holes are located in areas with frequent personnel activities at the construction site, there are often cross-operations, which makes it easy to be hit by objects.

[0003] In the existing technology, the safety protection setting form of the hoisting opening of most projects is: a 1.2m high protective railing is set vertically to close it, and a horizontal safety net is set horizontally. This kind of protection device has the following disadvantages:

[0004] ①It needs to be removed before lifting operation;

[0005] ②After the lifting is completed, protection must be carried out, which is time-consuming and laborious;

[0006] ③It is very easy for the horizontal network to be missing or damaged.

[0007] In order to solve the above three drawbacks and achieve the purpose of convenient construction and qualified protection, it is necessary to reconsider the design of the lifting hole safety protection device. Utility Model Content

[0008] The utility model aims to provide a hoisting hole safety protection device to solve the technical problems of inconvenient construction and difficult safety protection of existing protection devices in the background technology.

[0009] To solve the above problems, the utility model provides, including:

[0010] The opening frame is erected just above the hoisting opening;

[0011] Two channel steel rails are horizontally and symmetrically installed on both sides of the opening frame in the first direction;

[0012] The opening roller shutter is installed on one side of the opening frame in the second direction, and the second direction is perpendicular to the first direction;

[0013] A driving assembly is mounted on the side wall of the opening frame, and the driving assembly is suitable for driving the opening roller blind to move;

[0014] Two counterweight assemblies are arranged on a side of the opening frame away from the opening roller blind, and one end of the two counterweight assemblies is vertically hung on the opening frame, and the other end is connected to the free end of the opening roller blind through a rope;

[0015] When the driving assembly drives the opening roller shutter to work, the free end of the opening roller shutter is suitable for moving from one side of the hoisting opening to the other side along the channel steel track to completely cover the hoisting opening.

[0016] Preferably, the opening frame includes vertical edge protection columns evenly distributed and installed around the hoisting opening and a footboard connected between two adjacent vertical edge protection columns, and the footboard is located at the bottom of the vertical edge protection columns.

[0017] Preferably, the opening roller shutter includes a reel installed on one side of the top of the opening frame, a rolling net rolled up on the reel, a rotating seat supported at both ends of the reel, and rollers installed at both ends of the rolling net, the reel is suitable for being rotatably installed on the rotating seat, one end of the rolling net is rolled up on the reel, and the other end is installed at one end inside the channel steel track through the roller.

[0018] Preferably, the rolled flat net includes a plurality of rolled net plates which are sequentially connected to each other, and both ends of each rolled net plate are correspondingly installed in the channel steel track through the rollers.

[0019] Preferably, the driving assembly includes a vertically arranged driving motor, a reducer and a mounting frame installed on the vertical edge protection column, the output shaft of the driving motor is connected to the input end of the reducer, the output end of the reducer is connected to one end of the reel, and the rotating seat on the corresponding side is fixedly installed on the mounting frame.

[0020] Preferably, a rolling guide rail extending along the first direction is provided in the channel steel track, and the rolling guide rail is adapted to the structural shape of the roller.

[0021] Preferably, the counterweight assembly includes a steel wire rope and a counterweight block, and one end of the steel wire rope is connected to the free end of the rolling net, and the other end is connected to the counterweight block, and the counterweight block is hung on the side of the opening frame away from the opening roller shutter.

[0022] Preferably, the height of the footboard is 1.0-1.6 m.

[0023] Preferably, an emergency lock is also provided in the channel steel track.

[0024] Compared with the prior art, the utility model has at least the following beneficial effects:

[0025] The hoisting hole safety protection device in the utility model is composed of a hole frame, a channel steel rail, a hole shutter, a driving assembly and a counterweight assembly. The hole frame is constructed of a rectangular frame, which is erected just above the hoisting hole and serves as a mounting support carrier for the channel steel rail, the hole shutter, the driving assembly and the counterweight assembly. Two horizontal channel steel rails are erected on both sides of the top of the hole frame, and the hole shutter and the driving assembly are installed at one end of the channel steel rail, and the power of the driving assembly is transmitted to the hole shutter. When the hoisting hole needs to be closed to ensure the safety of on-site operations, the free end of the hole shutter can be flattened to completely cover the hoisting hole. Thus, by replacing the manual sealing method, the dismantling operation during the hoisting operation is avoided, and the purpose of convenient construction and qualified protection is achieved, while improving the efficiency of on-site operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a three-dimensional structural schematic diagram of the hoisting hole safety protection device in the embodiment of the utility model;

[0027] Figure 2 It is a schematic diagram of the assembly structure of the channel steel track, the opening roller shutter, the drive assembly and the counterweight assembly in the embodiment of the utility model;

[0028] Figure 3 It is a schematic diagram of the assembly structure of a single rolled mesh plate and a rolling guide rail in an embodiment of the utility model.

[0029] Description of reference numerals:

[0030] 1-opening frame; 11-vertical edge protection column; 12-footboard;

[0031] 2-channel steel rail; 21-rolling guide rail;

[0032] 3-hole opening rolling curtain; 31-rolling shaft; 32-rolling flat net; 321-rolling net plate; 33-rotating seat; 34-roller;

[0033] 4-driving assembly; 41-driving motor; 42-reducing device; 43-mounting frame;

[0034] 5-counterweight assembly; 51-wire rope; 52-counterweight block. DETAILED DESCRIPTION

[0035] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal connection of two components, it can be a wireless connection, or it can be a wired connection. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0037] The terms "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods.

[0038] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0039] See also Figure 1-3 As shown, in the embodiment of the utility model, a hoisting hole safety protection device is provided, and the hoisting hole safety protection device comprises a hole frame 1, two channel steel rails 2, a hole roller shutter 3, a driving assembly 4 and two counterweight assemblies 5, wherein:

[0040] The opening frame 1 is constructed of a rectangular frame, which is erected just above the hoisting opening and serves as a mounting support carrier for the channel steel rail 2, the opening roller shutter 3, the drive assembly 4 and the counterweight assembly 5; two channel steel rails 2 are horizontally and symmetrically mounted in the first direction of the opening frame 1 (that is, the attachment Figure 1 The two sides of the hole opening roller shutter 3 are used to support the movement of the hole opening roller shutter 3; the hole opening roller shutter 3 is installed in the second direction of the hole opening frame 1 (that is, the Y direction). Figure 1 The driving assembly 4 is installed on the side wall of the opening frame 1, and the driving assembly 4 is suitable for driving the opening roller shutter 3 to move; the two counterweight assemblies 5 are arranged on the side of the opening frame 1 away from the opening roller shutter 3, and one end of the two counterweight assemblies 5 are respectively vertically hung on the opening frame 1, and the other ends are respectively connected to the free ends of the opening roller shutter 3 through ropes; when the driving assembly 4 drives the opening roller shutter 3 to work, the free end of the opening roller shutter 3 is suitable for moving from one side of the hoisting opening to the other side along the channel steel track 2 to completely cover the hoisting opening.

[0041] Specifically in this embodiment, the hoisting hole opening safety protection device is composed of a hole opening frame 1, two channel steel rails 2, a hole opening roller shutter 3, a drive assembly 4 and two counterweight assemblies 5. The hole opening frame 1 is constructed of a rectangular frame, which is erected just above the hoisting hole opening and serves as an installation support carrier for the channel steel rail 2, the hole opening roller shutter 3, the drive assembly 4 and the counterweight assembly 5. Figure 1 In the Y-axis direction, two horizontal channel steel rails 2 are set up on both sides of the top of the opening frame 1, and the opening roller shutter 3 and the driving assembly 4 are installed at one end of the channel steel rail 2, and the power of the driving assembly 4 is transmitted to the opening roller shutter 3. When the lifting opening needs to be closed to ensure the safety of on-site operations, the free end of the opening roller shutter 3 can be moved flat to completely cover the lifting opening.

[0042] Therefore, by replacing the sealing method of manual operation, the dismantling operation during lifting operation is avoided, so as to achieve the purpose of convenient construction and qualified protection, and at the same time improve the efficiency of on-site operation.

[0043] Furthermore, the opening frame 1 includes vertical edge protection columns 11 and toe boards 12. The vertical edge protection columns 11 are evenly distributed and installed around the lifting opening. The toe boards 12 are connected between two adjacent vertical edge protection columns 11, and the toe boards 12 are located at the bottom of the vertical edge protection columns 11.

[0044] See also Figure 1 As shown, specifically in this embodiment, the opening frame 1 is configured as a rectangular frame structure, which is composed of vertical edge protection columns 11 and toe boards 12, wherein four vertical edge protection columns 11 are respectively located at the four corners of the rectangular frame structure as the outer contour of the supporting carrier. In order to prevent on-site workers from getting into danger from the gaps between the vertical edge protection columns 11, toe boards 12 are also provided at the bottom of two adjacent vertical edge protection columns 11.

[0045] Furthermore, the opening roller shutter 3 includes a reel 31, a rolling net 32, a rotating seat 33 and a roller 34. The reel 31 is installed on one side of the top of the opening frame 1. The rolling net 32 ​​is rolled up on the reel 31. The rotating seat 33 is supported at both ends of the reel 31. The roller 34 is installed at both ends of the rolling net 32. The reel 31 is suitable for being rotatably installed on the rotating seat 33. One end of the rolling net 32 ​​is rolled up on the reel 31, and the other end is installed at one end in the channel steel track 2 through the roller 34.

[0046] See also Figure 1 , 2As shown, specifically in this embodiment, the hole opening roller shutter 3 is composed of a reel 31, a rolling-leveling net 32, a rotating seat 33 and a roller 34. Both ends of the reel 31 are horizontally installed through the rotating seat 33, and the rolling-leveling net 32 ​​is rolled up on the reel 31. The free end of the rolling-leveling net 32 ​​is slidably connected to the channel steel track 2 through the installed roller 34. Driven by the roller 34, the rolling-leveling net 32 ​​can be completely laid flat on the lifting hole, thereby ensuring the safety of on-site workers.

[0047] For further information, see Figure 3 As shown, the rolled flat net 32 ​​includes a plurality of rolled net plates 321 which are sequentially connected to each other, and both ends of each rolled net plate 321 are respectively installed in the channel steel track 2 through rollers 34 .

[0048] Furthermore, the drive assembly 4 includes a drive motor 41, a reducer 42 and a mounting bracket 43. The drive motor 41 is vertically arranged, and the output shaft of the drive motor 41 is vertically upward and connected to the input end of the reducer 42, so that the power of the drive motor 41 is transmitted to the reducer 42. The mounting bracket 43 is installed on the vertical edge protection column 11, and the output shaft of the drive motor 41 is connected to the input end of the reducer 42, and the output end of the reducer 42 is connected to one end of the reel 31, and the mounting bracket 43 is fixedly installed with a rotating seat 33 on the corresponding side.

[0049] See also Figure 1 , 2 As shown, specifically in this embodiment, the driving assembly 4 is composed of a driving motor 41, a reducer 42 and a mounting bracket 43. The driving motor 41 serves as a power source and is vertically installed on one side of the opening roller shutter 3. The output shaft of the driving motor 41 is connected to the input end of the reducer 42, and then the output end of the reducer 42 is connected to the reel 31, thereby driving the rotation of the reel 31. Both ends of the reel 31 are fixedly mounted on the mounting bracket 43 through a rotating seat 33.

[0050] Furthermore, the channel steel track 2 is provided with a first direction (i.e., the attachment Figure 1 The rolling guide rail 21 extends in the Y direction (in the Y direction), and the rolling guide rail 21 is adapted to the structural shape of the roller 34.

[0051] The rolling guide rail 21 in this embodiment is provided with an arc-shaped convex block structure, and correspondingly, the roller 34 is provided with an arc-shaped concave wheel adapted to be connected with the rolling guide rail 21 , so as to facilitate the movement of the roller 34 .

[0052] Furthermore, the counterweight assembly 5 includes a steel wire rope 51 and a counterweight block 52, and one end of the steel wire rope 51 is connected to the free end of the rolling net 32, and the other end is connected to the counterweight block 52, and the counterweight block 52 is hung on the side of the opening frame 1 away from the opening roller curtain 3.

[0053] See also Figure 2 As shown, specifically in this embodiment, the counterweight assembly 5 is composed of a steel wire rope 51 and a counterweight block 52. During the process of the opening roller shutter 3 being laid flat to close the opening for hoisting, the counterweight block 52 can further pull the free end of the rolling net 32 ​​to move forward.

[0054] Furthermore, the height of the footboard 12 is 1.0-1.6m. According to the technical specifications for safety of high-altitude operations in construction, when the short side length of a non-vertical opening is greater than or equal to 1500mm, a guardrail with a height of not less than 1.2m should be set on the operation side of the opening to ensure on-site operation safety.

[0055] Furthermore, an emergency lock is provided in the channel steel track 2, so that the opening roller shutter 3 can be fixed at any time when an emergency occurs.

[0056] Although the utility model is disclosed as above, the protection scope of the utility model is not limited thereto. Those skilled in the art may make various changes and modifications without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the protection scope of the utility model.

Claims

1. A hoisting hole safety protection device, characterized in that: include: The opening frame is erected just above the hoisting opening; Two channel steel rails are horizontally and symmetrically installed on both sides of the opening frame in the first direction; The opening roller shutter is installed on one side of the opening frame in the second direction, and the second direction is perpendicular to the first direction; A driving assembly is mounted on the side wall of the opening frame, and the driving assembly is suitable for driving the opening roller blind to move; Two counterweight assemblies are arranged on a side of the opening frame away from the opening roller blind, and one end of the two counterweight assemblies is vertically hung on the opening frame, and the other end is connected to the free end of the opening roller blind through a rope; When the driving assembly drives the opening roller shutter to work, the free end of the opening roller shutter is suitable for moving from one side of the hoisting opening to the other side along the channel steel track to completely cover the hoisting opening.

2. The hoisting hole safety protection device according to claim 1, characterized in that: The opening frame includes vertical edge protection columns evenly distributed and installed around the hoisting opening and a footboard connected between two adjacent vertical edge protection columns, and the footboard is located at the bottom of the vertical edge protection columns.

3. The hoisting hole safety protection device according to claim 2, characterized in that: The opening roller shutter includes a reel installed on one side of the top of the opening frame, a rolling net rolled up on the reel, a rotating seat supported at both ends of the reel, and rollers installed at both ends of the rolling net. The reel is suitable for being rotatably installed on the rotating seat, one end of the rolling net is rolled up on the reel, and the other end is installed at one end inside the channel steel track through the roller.

4. The hoisting hole safety protection device according to claim 3 is characterized in that: The rolled flat net includes a plurality of rolled net plates which are sequentially connected to each other, and two ends of each rolled net plate are respectively correspondingly installed in the channel steel track through the rollers.

5. The hoisting hole safety protection device according to claim 3, characterized in that: The driving assembly includes a vertically arranged driving motor, a reducer and a mounting frame installed on the vertical edge protection column, the output shaft of the driving motor is connected to the input end of the reducer, the output end of the reducer is connected to one end of the reel, and the rotating seat on the corresponding side is fixedly installed on the mounting frame.

6. The hoisting hole safety protection device according to any one of claims 3 to 5, characterized in that: A rolling guide rail extending along the first direction is arranged in the channel steel track, and the rolling guide rail is adapted to the structural shape of the roller.

7. The hoisting hole safety protection device according to claim 3, characterized in that: The counterweight assembly includes a steel wire rope and a counterweight block, one end of the steel wire rope is connected to the free end of the rolling net, and the other end is connected to the counterweight block, and the counterweight block is hung on the side of the opening frame away from the opening roller curtain.

8. The hoisting hole safety protection device according to claim 2, characterized in that: The height of the footboard is 1.0-1.6m.

9. The hoisting hole safety protection device according to any one of claims 7-8, characterized in that: An emergency lock is also arranged in the channel steel track.

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