CN219296904U - Fall protection device and elevator safety system - Google Patents
Fall protection device and elevator safety system Download PDFInfo
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- CN219296904U CN219296904U CN202320580688.XU CN202320580688U CN219296904U CN 219296904 U CN219296904 U CN 219296904U CN 202320580688 U CN202320580688 U CN 202320580688U CN 219296904 U CN219296904 U CN 219296904U
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- support structure
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
Abstract
The utility model provides a falling prevention device and a safety system of an elevator, relates to the technical field of safety protection related to elevators, and solves the problem that workers always need to be in a suspended state and fall risks are easy to occur when the elevator with a certain height from the ground is maintained in the prior art. The device comprises a falling-preventing support structure and a bearing structure, wherein the falling-preventing support structure is connected with a main body support structure in the elevator and is arranged close to an opening part between a fixed platform and the elevator; a bearing structure is arranged between the anti-falling support structure and the main support structure and on the section of the main support structure close to the opening part; when a person falls at a high place, the supporting structure acts so as to catch the falling person, and the falling casualty accident is avoided; the anti-falling support structure can be disconnected with the anti-falling support structure or/and the main support structure of the elevator under the action force of the barrier below the elevator, so that the occurrence of casualties can be avoided.
Description
Technical Field
The utility model relates to the technical field of safety protection related to elevators, in particular to a falling protection device and an elevator safety system.
Background
At present, in the production of motor vehicles, the vehicle bodies often need to be converted to each other on the conveyor between different levels, which conversion is usually done by means of an elevator.
In the process of transporting the car body in the automobile manufacturing industry, the lifter runs up and down thousands of times each day, the lifter needs to be maintained regularly along with long-term use of the lifter, and when the lifter is abnormal, the lifter also needs to enter for maintenance.
In particular, in the case where the elevator stays at a certain height from the ground due to an abnormality, maintenance staff is required to repair it, but during the repair process, the applicant has found that at least the following technical problems exist:
because there is very big clearance between the inside main part supporting structure of lift and between main part supporting structure and the fixed platform, when need carry out unusual handling operation to the lift, its maintenance staff need stand the inside main part supporting structure of lift or be close to fixed platform edge department and operate, and the maintenance staff at this moment is in unsettled state often, takes place to fall easily, and there is the hidden danger in personal safety.
Disclosure of Invention
The utility model aims to provide a falling protection device and an elevator safety system, which are used for solving the technical problems that in the prior art, when an elevator with a certain height from the ground is subjected to abnormal handling operation or maintenance, maintenance staff always needs to be in a suspended state, and the risk of falling easily occurs 。 The preferred technical solutions of the technical solutions provided by the present utility model can produce a plurality of technical effects described below.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a falling prevention device, which comprises a falling prevention support structure and a bearing structure, wherein:
the anti-falling support structure is connected with the main support structure in the lifter and is arranged close to the opening part between the fixed platform and the lifter; the support structures are arranged between the anti-falling support structure and the main body support structure and on the sections, close to the opening parts, of the main body support structure;
the supporting structure can be used for supporting personnel falling from the upper side and can be disconnected with the anti-falling support structure or/and the main support structure of the lifter under the action force of an obstacle below the lifter.
As a further improvement of the utility model, the anti-falling support structure is a frame structure with an opening, which is formed by connecting a plurality of overhanging rod pieces, and the two overhanging rod pieces at the opening of the frame structure are fixedly connected with the main body support structure.
As a further improvement of the utility model, the anti-falling support structure and the main body support structure are fixedly provided with connecting pieces, and the bearing structure is detachably connected with the anti-falling support structure and the main body support structure through the connecting pieces.
As a further improvement of the utility model, the supporting structure is provided with a protective net, and the connecting piece is provided with an L-shaped hook.
As a further improvement of the present utility model, the connecting member includes a fixed connecting portion horizontally disposed on the fall preventing support structure or the main body support structure, and a blocking portion connected to the fixed connecting portion and vertically disposed to the fixed connecting portion.
As a further improvement of the utility model, the joint of the blocking part and the fixed connecting part is in smooth transition, and the distances between two adjacent fixed connecting parts are equal.
The utility model also provides a safety system of the elevator, which comprises the elevator and the anti-falling device, wherein the anti-falling device is arranged on the elevator.
As a further improvement of the utility model, the elevator safety system further comprises a fixed platform, the distance between the fixed platform and the fall arrest frame structure being less than 5cm.
As a further improvement of the utility model, the elevator safety system further comprises a net type barrier gate, a safety carpet and a safety grating component, wherein the net type barrier gate, the safety carpet and the safety grating component are sequentially arranged on the fixed platform from the direction close to the elevator.
As a further improvement of the utility model, the elevator safety system further comprises a ground warning lamp, an exit indicator lamp and a human body induction illuminating lamp, wherein an entrance for workers to enter and exit is formed in the fixed platform, the ground warning lamp, the exit indicator lamp and the human body induction illuminating lamp are respectively arranged on the fixed platform between the entrance and the net type barrier gate, and the human body induction illuminating lamp is connected with a standby power supply module.
According to the anti-falling device provided by the utility model, the anti-falling support structure is additionally arranged on the main body support structure of the elevator to reduce the gap between the whole elevator and the fixed platform, and the support structures are arranged between the anti-falling support structure and the main body support structure and on the sections, close to the opening parts between the fixed platform and the elevator, of the main body support structure, so that when a worker falls at a high place, the support structures act, thus the person falling can be caught, and the accident of falling injury is avoided; in addition, considering that the working personnel are working at one floor, the elevator descends under the extreme condition, at this time, the bearing structure can be disconnected with the anti-falling support structure or/and the main body support structure of the elevator under the upward acting force of the barrier (the working personnel) below the elevator, and further, the occurrence of casualties can be avoided.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a first schematic view of a fall arrest device according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a second structure of a fall protection device (not shown) according to an embodiment of the present utility model;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic view of an elevator and a stationary platform according to an embodiment of the present utility model;
FIG. 5 is a schematic layout of an elevator safety system provided by an embodiment of the present utility model;
fig. 6 is a partial schematic view of an elevator safety system provided by an embodiment of the present utility model.
Reference numerals: 1. a falling-preventing support structure; 2. a support structure; 3. a lifter; 31. a main body support structure; 4. a fixed platform; 41. a platform body; 42. an auxiliary platform; 5. a connecting piece; 6. a net type barrier gate; 7. a safety carpet; 8. a safety grating assembly; 9. an opening portion; 10. black and yellow warning lines; 11. ground warning light.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.
In the description of the present utility model, it is to be noted that, unless otherwise indicated, the meaning of "plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", etc., refer to an orientation or positional relationship based on that shown in the drawings, and are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should also 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 connected, electrically connected or capable of communicating with each other, and can be communication between two elements or interaction relationship between two elements; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.
In consideration of the problem that when an elevator with a certain height from the ground is subjected to abnormal treatment operation or maintenance, maintenance staff always need to be in a suspended state, and the risk of falling easily exists, the utility model provides a falling prevention device and an elevator safety system.
The technical scheme provided by the utility model is explained in more detail below with reference to fig. 1 to 6.
Referring to fig. 1 to 4, the present utility model provides a fall protection device, comprising a fall protection support structure 1 and a support structure 2, wherein the fall protection support structure 1 is connected with a main support structure 31 inside a lifter 3 and is disposed close to an opening 9 between a fixed platform 4 and the lifter 3, and the opening 9 refers to a gap between one end of the main support structure 31 along the length direction and the fixed platform 4; a bearing structure 2 is arranged between the anti-falling bracket structure 1 and the main body bracket structure 31 and on the section of the main body bracket structure 31 near the opening 9; the support structure 2 is able to support persons falling above and is also able to be disconnected from the fall arrest mounting structure 1 and/or the main body mounting structure 31 of the lift 3 under the force of an obstacle located below the lift 3.
Through install anti-falling support structure 1 additional on the main part supporting structure 31 of lift 3, reduce the clearance between lift 3 whole and the fixed platform 4 to set up bearing structure 2 on anti-falling support structure 1 and main part supporting structure 31 on being close to the district of the opening 9 between fixed platform 4 and the lift 3, when the staff takes place the eminence to fall, bearing structure 2 functions, thereby can catch the person of falling, avoid the casualty accident of falling.
In addition, considering that the elevator 3 descends in extreme cases when the worker works at one floor, the supporting structure 2 can be disconnected from the anti-falling bracket structure 1 or/and the main body bracket structure 31 of the elevator 3 under the upward acting force of the obstacle (the worker) below the elevator 3, so that the occurrence of casualties can be avoided.
Specifically, the anti-falling bracket structure 1 in this embodiment is a frame structure with an opening formed by interconnecting a plurality of overhanging rod members, and two overhanging rod members at the opening of the frame structure are fixedly connected with the main body bracket structure 31. The anti-falling bracket structure 1 is sized according to the fixed platform 4 outside the elevator 3, and the operation of the elevator 3 is not interfered.
The anti-falling support structure 1 and the main support structure 31 are fixedly provided with connecting pieces 5, and the bearing structure 2 is detachably connected with the anti-falling support structure 1 and the main support structure 31 through the connecting pieces 5. As an alternative embodiment of the present embodiment, the support structure 2 is provided as a protective net and the connection elements 5 are provided as "L" -shaped hooks.
In one example, the connecting piece 5 comprises a fixed connecting part and a blocking part, the fixed connecting part is horizontally arranged and fixed on the anti-falling bracket structure 1 or the main body bracket structure 31 in a welding mode, the blocking part is connected with the fixed connecting part to form an L-shaped hook, the blocking part is vertically arranged with the fixed connecting part, the protective net is hung on the hook, falling occurs, and the protective net acts to catch a falling person; if an extreme situation occurs, a person descends on the first floor platform and the elevator 3 descends, and at this time, the protective net can be unhooked under the upward acting force from the lower staff, so that the occurrence of casualties is avoided.
As an optional implementation manner of the embodiment of the utility model, the connection part of the blocking part and the fixed connection part is in smooth transition, so that the resistance of the protective net when unhooking is reduced, and the protective net is more convenient to be disconnected from the hooks.
In addition, preferably, the distances between two adjacent fixed connection parts in the embodiment are equal, so that a falling person can be well received, and the whole stress is more uniform.
It should be noted that, the anti-falling bracket structure 1 in this embodiment is mounted on the main body bracket structure 31 inside the lifter 3, and moves up and down with the lifter 3, and it is required to ensure that the loading capacity of the lifter 3 is not exceeded by the additional components.
In addition, as shown in fig. 5 and 6, the utility model further provides an elevator safety system, which comprises an elevator 3 and the anti-falling device, wherein the anti-falling device is arranged on the elevator 3.
The elevator safety system further comprises a fixed platform 4, and considering that a large gap is generally formed between the main body support structure 31 of the elevator 3 and the fixed platform 4, when an abnormal handling operation needs to be performed on the elevator 3, a maintenance worker needs to stand at the edge of the fixed platform 4 close to the opening 9 between the fixed platform 4 and the elevator 3 at some time, at this time, the maintenance worker is easy to fall with a little carelessness, and a hidden danger exists in personal safety, so that it is recommended to widen the fixed platform 4 outside the elevator 3, and it is noted that the widened portion cannot interfere with the upper and lower sides of the car body of the elevator 3.
That is, the fixed platform 4 in this embodiment includes a platform body 41 and an auxiliary platform 42, the platform body 41 corresponds to an original platform structure, the auxiliary platform 42 is added on the basis of the existing platform, and the auxiliary platform 42 can form a fixed connection with the platform body 41 in a welding manner.
After the auxiliary platform 42 is additionally arranged, the distance between the fixed platform 4 and the anti-falling support structure 1 is smaller than 5cm, namely, the distance between the auxiliary platform 42 and the anti-falling support structure 1 is smaller than 5cm, the size of the opening 9 between the lifter 3 and the fixed platform 4 is reduced, and therefore workers can be prevented from falling in a gap (smaller than 5 cm) between the auxiliary platform 42 and the anti-falling support structure 1 as far as possible.
When the elevator 3 is in the second floor maintenance process, considering that the risk that other personnel enter the surrounding area of the elevator 3 by mistake to fall is also caused under the condition that the elevator 3 is in a shutdown state, in order to further increase the safety of the surrounding area of the elevator 3, the elevator safety system further comprises a net barrier 6, a safety carpet 7 and a safety grating assembly 8, and the net barrier 6, the safety carpet 7 and the safety grating assembly 8 are sequentially arranged on the fixed platform 4 from the direction close to the elevator 3.
The area, close to the lifter 3, of the fixed platform 4 is provided with a net barrier 6, and the net barrier 6 is controlled in an interlocking way with a conveying chain (conveying automobile bodies), namely, during production, the net barrier 6 is opened, and the conveying chain runs; when the production is not performed, the net type barrier gate 6 is closed, the conveying chain is stopped, and the risk of personnel entering by mistake is avoided. The human intrusion photocell in the prior art is upgraded to a safety grating assembly 8, and the arrangement of a safety carpet 7 is added at the necessary passage to the elevator 3 and is controlled in an interlocking manner with the elevator 3. The safety carpet 7 is also called a pressure sensitive safety device, and the safety carpet 7 is installed in a dangerous area in order to protect the personal safety of operators. When the worker enters the safety carpet 7 of the dangerous area, the elevator 3 will stop working to prevent the mechanical equipment (elevator 3) from injuring the human body.
The safety grating component 8 comprises a receiving signal unit and a transmitting signal unit which are oppositely arranged, and a safety light curtain can be formed between the receiving signal unit and the transmitting signal unit; the safety grating component 8 further comprises an alarm connected with the control module, the net type barrier gate 6, the safety carpet 7 and the safety grating component 8 are also connected with the control module, the safety grating and the safety carpet 7 are triggered, and the lifter 3 is stopped. The transmitting signal unit and the receiving signal unit are both connected with the control module through a grating data transmission line, and the safety grating assembly 8 belongs to the relatively mature prior art.
Through setting up safety grating subassembly 8, can form safe light curtain in the place ahead department of lift 3, when lift 3 during operation, as long as operating personnel's health position passes safety grating subassembly 8, blocks the infrared ray that the emission signal unit sent, will trigger the alarm and report to the police to lift 3 stop the operation immediately, so as to guarantee operating personnel's personal safety, eliminate unnecessary potential safety hazard.
There is the access & exit that supplies the staff to pass in and out on the fixed platform 4, but there is not special illumination in the region around among the prior art, does not have obvious warning sign, uses passageway illumination and paper version safety warning sign, and light is dim, the sign is unobvious, has great personnel's mistake to operate into the risk.
In this embodiment, a human body induction lighting lamp is added in the entrance area (near the opening 9) of the elevator 3, personnel enter the area around the elevator 3, the human body induction lighting lamp is automatically turned on, and the human body induction lighting lamp is connected to a standby power supply module, so that the human body induction lighting lamp is not powered off in a power failure state. In addition, facilities such as ground warning lamps 11, exit indication lamps, reflective warning signs and the like are additionally arranged between the entrance and exit of the fixed platform 4 and the net type barrier gate 6, and in addition, a black-yellow warning line 10 is further arranged on the fixed platform 4 between the safety grating component 8 and the lifter 3, so that people entering the area are further warned of danger. Any person enters the area of the elevator 3 and needs to pass through the safety equipment such as an entrance, a net barrier 6, a safety carpet 7, a safety grating component 8 and the like, so that maintenance work at the elevator 3 is essentially eliminated, the risk of falling due to personnel entering the elevator by mistake is avoided, and safety accidents are avoided.
The foregoing is merely illustrative embodiments of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present utility model, and the utility model should be covered. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a fall protection device which characterized in that, including falling protection supporting structure and bearing structure, wherein:
the anti-falling support structure is connected with the main support structure in the lifter and is arranged close to the opening part between the fixed platform and the lifter; the support structures are arranged between the anti-falling support structure and the main body support structure and on the sections, close to the opening parts, of the main body support structure;
the supporting structure can be used for supporting personnel falling from the upper side and can be disconnected with the anti-falling support structure or/and the main support structure of the lifter under the action force of an obstacle below the lifter.
2. The anti-falling device according to claim 1, wherein the anti-falling support structure is a frame structure with an opening formed by interconnecting a plurality of overhanging rod pieces, and two overhanging rod pieces at the opening of the frame structure are fixedly connected with the main body support structure.
3. The fall arrest device according to claim 1, wherein the fall arrest support structure and the main body support structure are each fixedly provided with a connector, and the support structure is detachably connected with the fall arrest support structure and the main body support structure via the connectors.
4. A fall arrest device according to claim 3, wherein the support structure is provided as a protective net and the connector is provided as an "L" shaped hook.
5. The fall arrest device according to claim 4, wherein the connector comprises a fixed connection portion and a blocking portion, the fixed connection portion is horizontally disposed on the fall arrest support structure or the body support structure, the blocking portion is connected to the fixed connection portion and the blocking portion is disposed perpendicular to the fixed connection portion.
6. The fall protection device of claim 5, wherein the junction between the blocking portion and the fixed connection portion is a rounded transition, and the distances between two adjacent fixed connection portions are equal.
7. An elevator safety system comprising an elevator and a fall arrest device according to any one of claims 1 to 6, wherein the fall arrest device is provided on the elevator.
8. The elevator safety system of claim 7 further comprising a fixed platform, the fixed platform being less than 5cm from the fall arrest support structure.
9. The elevator safety system of claim 7 further comprising a mesh barrier, a safety carpet, and a safety grating assembly, wherein the mesh barrier, the safety carpet, and the safety grating assembly are sequentially disposed on the fixed platform from a direction proximate the elevator.
10. The elevator safety system of claim 9 further comprising a floor warning light, an exit indicator light, and a body sensing light, wherein an entrance for personnel to enter and exit is provided on the fixed platform, the floor warning light, the exit indicator light, and the body sensing light are respectively disposed on the fixed platform between the entrance and the mesh barrier, and the body sensing light is connected with a standby power module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320580688.XU CN219296904U (en) | 2023-03-22 | 2023-03-22 | Fall protection device and elevator safety system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320580688.XU CN219296904U (en) | 2023-03-22 | 2023-03-22 | Fall protection device and elevator safety system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219296904U true CN219296904U (en) | 2023-07-04 |
Family
ID=86953530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320580688.XU Active CN219296904U (en) | 2023-03-22 | 2023-03-22 | Fall protection device and elevator safety system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219296904U (en) |
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2023
- 2023-03-22 CN CN202320580688.XU patent/CN219296904U/en active Active
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