Safety protection device for preventing personnel from leaning over for construction hoist

Abstract

The utility model relates to a safety protection device for preventing personnel from leaning over for a construction hoist, and belongs to the technical field of building hoisting and transporting machinery. The device comprises a protective blocking net, an infrared sensor and a mounting frame, the mounting frame is fixed on a cage top guardrail close to a wall-attached frame area, the infrared sensor is arranged on the mounting frame, and the protective blocking net is connected with the mounting frame. The safety protection device is mainly used for preventing safety accidents caused by collision between cage top personnel and the wall-attached frame due to the fact that the cage top personnel lean out of the cage top guardrail, especially close to one side of the wall-attached frame, in the operation process of the cage.

Description

Technical Field

[0001] The utility model relates to a safety protection device, in particular to a safety protection device for a construction hoist to prevent personnel from leaning out, and belongs to the technical field of construction hoisting and transportation machinery. Background Art

[0002] A construction elevator is a lifting and transportation machinery used in the construction of high-rise buildings, bridges, chimneys and other buildings (structures). In particular, the external gear rack type construction elevator is widely used in construction projects because of its easy installation.

[0003] The cage top of the construction elevator is equipped with a guardrail that meets national standards to prevent the installation, maintenance and inspection personnel of the construction elevator from falling from a height during the installation, maintenance and inspection process, which plays a basic protective role. However, during the actual installation, maintenance or inspection process, due to non-standard specific operating procedures, negligence, carelessness, or desire for convenience and other reasons, the above-mentioned operators sometimes lean out of the guardrail protection range to work without paying attention to the surrounding environment, such as nearby buildings (structures), especially the side of the cage top guardrail close to the wall frame erected by the guide frame. Figure 1 , including guardrail 1, wall frame 2 and guardrail area close to wall frame 3. Since the wall frame is very close to the cage, it is easy for a person to collide with the wall frame as long as he / she exceeds the guardrail by a small part, causing minor injuries or even death. In addition, there are construction hoists with counterweights, and there have been many safety accidents in which people were knocked down by the counterweight because they leaned over the top of the guardrail.

[0004] Therefore, it is particularly necessary to develop a set of safety protection devices that can protect workers from leaning out of the cage top guardrail to prevent such safety accidents from happening. Utility Model Content

[0005] The purpose of the utility model is to overcome the above-mentioned deficiencies in the prior art and to provide a safety protection device for a construction elevator which has a reasonable structural design, is safe and reliable, and can prevent workers from leaning out of the protection range of the railing to perform operations and cause safety accidents.

[0006] The technical solution adopted by the utility model to solve the above-mentioned problem is: the safety protection device of the construction elevator to prevent people from leaning out includes a protective net, an infrared sensor and a mounting frame, and is characterized in that: the mounting frame is fixed on the cage top guardrail close to the wall frame area, the infrared sensor is arranged on the mounting frame, and the protective net is connected to the mounting frame.

[0007] Preferably, the infrared sensor of the utility model comprises infrared sensor 1 and infrared sensor 2, and the infrared sensor 1 and infrared sensor 2 are respectively arranged on both sides of the mounting frame.

[0008] Preferably, the utility model further comprises fixing bolts, and the mounting frame is fixed to the cage top guardrail by the fixing bolts.

[0009] Preferably, the protective netting of the utility model adopts a stainless steel wire rope protective netting.

[0010] Compared with the prior art, the utility model has the following advantages and effects: the overall structural design is reasonable, safe and reliable, and can prevent personnel on the cage top from leaning out of the cage top guardrail during operation, especially on the side close to the wall frame, thereby colliding with the wall frame and causing safety accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the actual application structure of cage top guardrail in construction elevators.

[0012] In the figure: guardrail 1, wall frame 2, and guardrail close to the wall frame area 3.

[0013] Figure 2 It is a schematic diagram of the overall structure of an embodiment of the utility model.

[0014] In the figure: protective barrier 1-1, infrared sensor 2-1, mounting frame 3-1, infrared sensor 1 2a-1, infrared sensor 2 2b-1, cage top guardrail 4-1, fixing bolt 5-1. DETAILED DESCRIPTION

[0015] The present invention will be further described in detail below with reference to the accompanying drawings and through examples. The following examples are provided to explain the present invention, but the present invention is not limited to the following examples.

[0016] Example

[0017] See also Figure 2 The safety protection device for preventing people from leaning out of the construction elevator in this embodiment includes a protective net 1-1, an infrared sensor 2-1 and a mounting frame 3-1. The protective net 1-1, the infrared sensor and the mounting frame 3-1 are installed on the cage top guardrail 4-1 (especially on the side of the wall frame erected close to the guide rail frame).

[0018] The infrared sensor 2-1 is fixedly installed at the required position of the cage top guardrail through the mounting frame 3-1, and the mounting frame 3-1 is also installed with the protective barrier 1-1; the protective barrier 1-1 serves as a mechanical protection measure, which increases the difficulty of personnel actively leaning out above the cage top railing, thereby reducing the frequency of personnel actively leaning out and reducing the unsafe factors caused thereby.

[0019] The infrared sensor 2-1 in this embodiment includes an infrared sensor 1 2a-1 and an infrared sensor 2b-1, and the infrared sensor 1 2a-1 and the infrared sensor 2 2b-1 are respectively arranged on both sides of the mounting frame 3-1.

[0020] The mounting frame 3-1 in this embodiment is fixed on the cage top guardrail 4-1 by fixing bolts 5-1.

[0021] The protective net 1-1 in this embodiment adopts a stainless steel wire rope protective net 1-1; the protective net 1-1 is not limited to a steel wire rope protective net, but also includes other mechanical protective nets, which can play the role of a safety protection measure.

[0022] Infrared sensor 2-1 can sense the human body as an electrical protection measure. Once a person leans out of the railing during the operation of the cage, the infrared sensor 2-1 will be triggered, and an immediate judgment will be made, and the cage will be disconnected and stop running. If the cage is originally in a stopped state and a person leans out of the railing to perform some maintenance operations, the cage will not start running due to misoperation and cause a safety accident.

[0023] Through the above description, those skilled in the art can already implement it.

[0024] In addition, it should be noted that the shapes and names of the parts and components of the specific embodiments described in this specification may be different, and the above content described in this specification is only an example of the structure of the utility model. All equivalent changes or simple changes made based on the structure, features and principles described in the patent concept of the utility model are included in the protection scope of the utility model patent. Technicians in the technical field of the utility model can make various modifications or supplements to the specific embodiments described or replace them in a similar manner, as long as they do not deviate from the structure of the utility model or exceed the scope defined by the claims, they should all fall within the protection scope of the utility model.

Claims

1. A safety protection device for a construction elevator to prevent people from leaning out, comprising a protective fence (1-1), an infrared sensor (2-1) and a mounting frame (3-1), characterized in that: The mounting frame (3-1) is fixed on a cage top guardrail close to a wall-attached frame area, the infrared sensor (2-1) is arranged on the mounting frame (3-1), and the protective barrier (1-1) is connected to the mounting frame (3-1).

2. The safety protection device for preventing people from leaning out of a construction elevator according to claim 1 is characterized in that: The infrared sensor (2-1) comprises infrared sensor one (2a-1) and infrared sensor two (2b-1), and the infrared sensor one (2a-1) and infrared sensor two (2b-1) are respectively arranged on two sides of the mounting frame (3-1).

3. The safety protection device for preventing people from leaning out of a construction elevator according to claim 1 is characterized in that: It also includes fixing bolts (5-1), and the mounting frame (3-1) is fixed to the cage top guardrail via the fixing bolts (5-1).

4. The safety protection device for preventing people from leaning out of a construction elevator according to claim 1 is characterized in that: The protective barrier net (1-1) is a stainless steel wire rope protective barrier net (1-1).

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