CN112047217B - Elevator car top guardrail - Google Patents
Elevator car top guardrail Download PDFInfo
- Publication number
- CN112047217B CN112047217B CN202011013906.9A CN202011013906A CN112047217B CN 112047217 B CN112047217 B CN 112047217B CN 202011013906 A CN202011013906 A CN 202011013906A CN 112047217 B CN112047217 B CN 112047217B
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- car top
- guardrail
- fixed
- car
- top guardrail
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0043—Devices enhancing safety during maintenance
- B66B5/005—Safety of maintenance personnel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
- B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0043—Devices enhancing safety during maintenance
- B66B5/005—Safety of maintenance personnel
- B66B5/0081—Safety of maintenance personnel by preventing falling by means of safety fences or handrails, being operable or not, mounted on top of the elevator car
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
Abstract
The invention discloses a car top guardrail of an elevator, which comprises a stand column, a skirting board, a middle railing, an upper railing and a stand column bracket, wherein the middle railing and the upper railing are fixed on the stand column; the car top is provided with a plurality of groups of car top guardrail assemblies, and the car top guardrail assemblies are independently or spliced and then installed above the car top. The invention has the following beneficial effects: the newly designed structure improves the strength and stability of the car top guardrail, reduces the self-shaking of the car top guardrail, and ensures that the whole car top guardrail is not easy to elastically deform; the car top guardrail has simple structure, easy assembly and suitability for batch production; the car top guardrail not only can be disassembled for transportation, so that the packaging and logistics cost is saved, but also can be delivered after being integrally assembled, so that the field installation time is saved; the field installation is simple and convenient.
Description
Technical Field
The invention relates to the technical field of guardrails, in particular to an elevator car top guardrail.
Background
The elevator car roof is arranged on the upper part of the car and is used as a top cover of the car and a platform for operating personnel on the elevator car roof to work. The operators on the top of the elevator car mainly comprise installation, debugging, inspection (factory inspection, supervision inspection and periodic inspection) and maintenance personnel. There are multiple risks in the operation of sedan-chair top, in order to prevent the occurence of failure, the safety of protection personnel and property sets up the guardrail on the sedan-chair top. However, most of the existing car top guardrails of domestic elevators are insufficient in mechanical strength, car top operators often unconsciously contact the guardrails when working in postures of squatting, sitting, kneeling, climbing and the like, great deformation is easy to occur, and the body parts of the car top operators are exposed in danger to cause accidents. This document seeks to find a solution to eliminate the risk.
The car top guardrail of the elevator in the future needs to meet EN 81-20 during installation: 2014 elevator manufacturing and installation safety code-elevator for transportation of people and goods part 20: passenger and passenger-cargo elevators and ISO 8100-1:2019 elevator part 1 to transport passengers and goods: passenger elevators and freight elevators. In particular the following requirements: a horizontal static force of 1000N is applied vertically at any point on the top of the car top guardrail, and there should be no elastic deformation greater than 50 mm. The requirement that the elevator car top guardrail meets is that when the horizontal clear distance between the inner side edge of the guardrail handrail and the well wall is not more than 0.50m, the height of the guardrail is not less than 0.70m; when the horizontal clear distance between the inner side edge of the guardrail handrail and the well wall is more than 0.50m, the height of the guardrail is not less than 1.10m.
Therefore, the elevator car top guardrail is to be designed, the strength of the guardrail of the elevator is improved, the shaking of the elevator guardrail is reduced, the stability of the elevator guardrail is improved, and the elevator car top operating personnel are safer when working on the car top.
Disclosure of Invention
The invention provides an elevator car top guardrail, which aims to solve the problem that the existing car top guardrail is insufficient in mechanical strength.
In order to achieve the purpose, the invention adopts the following technical scheme: a car top guardrail assembly comprises a stand column, a skirting board, a middle railing, an upper railing and a stand column bracket, wherein the middle railing and the upper railing are fixed on the stand column; the upright post bracket is arranged between the skirting board and the upright post, the skirting board and the upright post are both fixed on the upright post bracket, and the upright post bracket is fixed on the car roof; the car top is provided with a plurality of groups of car top guardrail assemblies, the car top guardrail assemblies are spliced and then installed above the car top, and the upper handrail is arranged above the car frame upper beam.
Preferably, a supporting piece is further arranged on the car top guardrail assembly, one end of the supporting piece is fixed on the upper railing, and the other end of the supporting piece is fixed on the skirting board. When the elevator ceiling guardrail assembly is high, the whole ceiling guardrail assembly can have higher strength through the installed supporting piece.
Preferably, the skirting board is provided with a continuous hole, and the skirting board is fixed on the car roof. The continuous holes are arranged, so that when other parts of the car roof interfere with the skirting boards, corresponding parts of the skirting boards can be cut off by using a tool, and the safety of working personnel on the car roof is protected.
Preferably, the car top guardrail assemblies are in a group, and the car top guardrail assemblies are installed on the car top. When the free distance of the wall of the shaft at one side from the outer edge of the car top in the horizontal direction exceeds 0.30m, only one group of car top guardrail assemblies are needed to be installed on the car top at the side, so that the manufacturing cost can be saved, and the construction of the elevator car top operators on the car top is not influenced.
Preferably, the car top guardrail assemblies are two or three groups, and the car top guardrail assemblies which are vertical to each other are fixedly connected through guardrail connecting pieces. When the shaft walls on the two sides have a free distance which exceeds 0.30m in the horizontal direction from the outer edge of the car top, a group of car top guardrail assemblies need to be respectively installed on the car tops on the two sides, and the two groups of guardrail assemblies are vertical to each other and are connected with the car top guardrail assemblies through guardrail connecting pieces, so that the strength of the whole car top guardrail can be improved; when the three sides of the shaft wall have free distances exceeding 0.30m in the horizontal direction from the outer side edge of the car top, a group of car top guardrail assemblies need to be installed on the car tops of the three sides respectively, the car top guardrail assemblies and the car top guardrail assemblies which are perpendicular to each other are fixedly connected through guardrail connecting pieces, so that the construction of elevator car top operating personnel on the car tops is safer, the car top guardrail assemblies are connected through the guardrail connecting pieces, and the strength of the whole car top guardrail can be increased.
Preferably, the car top assembly is provided with a sliding groove, the sliding groove is fixed on the car bottom plate or the reinforcing rib, and the upright post bracket of the car top guardrail assembly is fixed on the sliding groove. The car top guardrail component is convenient to be fixedly installed on the car top.
Preferably, the upright post bracket comprises a bracket plate and a support plate, two side surfaces of the bracket plate are respectively fixed with the skirting board and the upright post, and the bottom surface of the bracket plate is fixed on the sliding groove; the supporting plate is fixed on the bracket plate. The strength of the whole upright post bracket can be improved.
Preferably, the bottom surface of the support plate is fixed on the sliding groove through a bolt and nut assembly; the groove width of the sliding groove is not less than the distance between two parallel surfaces of the bolt head in the bolt and nut assembly, and the groove width of the sliding groove is not more than the length between the longest diagonal lines of the bolt head in the bolt and nut assembly; the width of the notch of the sliding type groove is larger than the large diameter of the thread of the bolt in the bolt and nut assembly, and the width of the notch of the sliding type groove is smaller than the width of the groove. When loosening between mounting panel and the sliding type groove, wherein two parallel surfaces of bolt head are parallel to each other with two sides in sliding type groove respectively, and when mounting panel and sliding type groove fastened, the bolt head also can take place certain rotation, blocks between the sliding type groove, need not the mounting tool centre gripping during the installation. When the support plate and the sliding groove are completely fastened, the bolt head is tightly attached to the sliding groove, and the upright post support is firmly fixed on the car top.
The invention has the following beneficial effects: the newly designed structure improves the strength and stability of the car top guardrail, reduces the self-shaking of the car top guardrail, and ensures that the whole car top guardrail is not easy to elastically deform; the car top guardrail has simple structure, is easy to assemble and is suitable for batch production; the car top guardrail not only can be disassembled for transportation, so that the packaging and logistics cost is saved, but also can be delivered after being integrally assembled, so that the field installation time is saved; the field installation is simple and convenient.
Drawings
FIG. 1 is a schematic illustration of the installed ceiling guardrail assembly of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
figure 3 is a schematic view of a set of ceiling guardrail assemblies of the present invention;
FIG. 4 is a front view of a set of the ceiling guardrail assemblies of the present invention;
FIG. 5 is a schematic view of the top barrier assembly of the present invention after the support members have been installed thereon;
FIG. 6 is a front view of the car top guardrail assembly of the present invention after the support members have been installed thereon;
figure 7 is a schematic view of a set of ceiling assemblies according to the present invention;
figure 8 is a schematic view of the arrangement of the slide grooves on the end rear ceiling assembly of the present invention;
FIG. 9 is a schematic view of the construction of the pillar brace of the present invention;
FIG. 10 is a schematic view of the bolt and nut assembly in the slip type groove when the stud bracket and the slip type groove are loosened in accordance with the present invention;
FIG. 11 is an enlarged schematic view of FIG. 10 at B;
FIG. 12 is a schematic view of the bolt and nut assembly in the slide groove when the stud bracket and the slide groove are tightened according to the present invention;
FIG. 13 is an enlarged schematic view of the structure of FIG. 12 at C;
FIG. 14 is a schematic view of the installation structure of the skirting board on the car roof;
in the figure: 1-column, 2-skirting board, 21-continuous hole, 3-support piece, 4-middle rail, 5-upper rail, 6-column support, 61-support plate, 62-support plate, 7-guardrail connecting piece, 9-reinforcing rib, 10-sliding groove and 11-bolt-nut component.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in fig. 1 to 14, a car top guardrail assembly comprises a vertical column 1, a skirting board 2, a middle railing 4, an upper railing 5 and a vertical column bracket 6, wherein the middle railing 4 and the upper railing 5 are fixed on the vertical column 1; the upright post bracket 6 is arranged between the skirting board 2 and the upright post 1, the skirting board 2 and the upright post 1 are both fixed on the upright post bracket 6, and the upright post bracket 6 is fixed on the car roof; the car top is provided with a plurality of sets of car top guardrail assemblies, and the car top guardrail assemblies are spliced and then installed above the car top; the car top is provided with a plurality of groups of car top guardrail assemblies, and the car top guardrail assemblies are independently or spliced and then installed above the car top.
Still be equipped with support piece 3 on the sedan-chair top guardrail subassembly, the one end of support piece 3 is fixed on last railing 5, and the other end of support piece 3 is fixed on baseboard 2. When the elevator car top guardrail assembly is higher, the whole elevator guardrail assembly can have higher strength through the installed supporting piece 3.
The skirting board 2 is provided with continuous holes 21, and the skirting board 2 is fixed on the top of the car; the upper railing 5 is arranged above the upper beam of the car frame. The continuous hole 21 that is equipped with is convenient for the other sedan-chair roof that run through of sedan-chair top, and it establishes in sedan-chair frame upper beam top to go up railing 5, the installation of the sedan-chair top guardrail subassembly of being convenient for.
The car top guardrail assembly is a group and is arranged on the car top. When the free distance of the wall of the shaft at one side from the outer edge of the car top in the horizontal direction exceeds 0.30m, only one group of car top guardrail assemblies are needed to be installed on the car top at the side, so that the manufacturing cost can be saved, and the construction of the elevator car top operators on the car top is not influenced.
The car top guardrail assemblies are two or three groups, and the car top guardrail assemblies which are vertical to each other are fixedly connected through guardrail connecting pieces 7. When the shaft walls on the two sides have a free distance which exceeds 0.30m in the horizontal direction from the outer edge of the car top, a group of car top guardrail assemblies need to be respectively installed on the car tops on the two sides, and the two groups of guardrail assemblies are vertical to each other and are connected with the car top guardrail assemblies through guardrail connecting pieces 7, so that the strength of the whole car top guardrail can be improved; when three sides of the shaft wall have a free distance which exceeds 0.30m in the horizontal direction from the outer edge of the car top, a group of car top guardrail assemblies need to be respectively installed on the car tops of the three sides, and the car top guardrail assemblies which are perpendicular to each other are fixedly connected with the car top guardrail assemblies through guardrail connecting pieces 7. The car top guardrail component is connected through the guardrail connecting piece 7, so that the strength of the whole car top guardrail can be increased.
The car top assembly is provided with a sliding groove 10, the sliding groove 10 is fixed on a car bottom plate or a reinforcing rib 9, and the upright post bracket 6 of the car top guardrail assembly is fixed on the sliding groove 10. The car top guardrail component is convenient to be fixedly installed on the car top.
The upright post bracket 6 comprises a bracket plate 61 and a support plate 62, two side surfaces of the bracket plate 61 are respectively fixed with the skirting board 2 and the upright post 1, and the bottom surface of the bracket plate 61 is fixed on the sliding groove 10; the support plate 62 is fixed to the holder plate 61. The strength of the entire pillar brace 6 can be improved.
The bottom surface of the support plate 61 is fixed on the sliding groove 10 through a bolt and nut assembly 11; the groove width of the sliding type groove 10 is not smaller than the distance between two parallel surfaces of the bolt head in the bolt and nut assembly 11, and the groove width of the sliding type groove 10 is not larger than the length between the longest diagonal lines of the bolt head in the bolt and nut assembly 11; the width of the notch of the sliding type groove 10 is larger than the large diameter of the thread of the bolt in the bolt-nut component 11, and the width of the notch of the sliding type groove 10 is smaller than the width of the groove. When the support plate 61 and the sliding groove 10 are loosened, two parallel surfaces of the bolt head are parallel to two side surfaces of the sliding groove 10, and when the support plate 61 and the sliding groove 10 are fastened, the bolt head can also rotate to a certain degree and is clamped between the sliding grooves 10, and installation is not required to be clamped by an installation tool. When the support plate 61 and the sliding groove 10 are completely fastened, the bolt head is tightly attached to the sliding groove 10, so that the upright post support 6 is firmly fixed on the car roof.
Installation of embodiment 1: when the free distance of the horizontal direction exceeding 0.30m is formed between the wall of the shaft channel on one side and the outer edge of the car top, only one group of car top guardrail assemblies are required to be installed on the car top on the side, and only the skirting boards 2 are required to be installed on the other two sides. When the horizontal clear distance between the inner side edge of the guardrail handrail and the wall of the well is not more than 0.50m, the upper handrail 5 and the middle handrail 4 are fixed on the upright post 1, one side surface of the support plate 61 of the upright post 1 is fixed with the skirting board 2, the other side surface of the support plate 61 is fixed with the upright post 1, and the bottom surface of the support plate 61 is fixed on the sliding groove 10. When the support plate 61 and the sliding groove 10 are loosened, two parallel surfaces of the bolt head are parallel to two side surfaces of the sliding groove 10, and when the support plate 61 and the sliding groove 10 are fastened, the bolt head can also rotate to a certain degree and is clamped between the sliding grooves 10, and installation is not required to be clamped by an installation tool. When the support plate 61 and the sliding groove 10 are completely fastened, the bolt head is tightly attached to the sliding groove 10, so that the upright post support 6 is firmly fixed on the car roof. The sliding type groove 10 is C-shaped, the groove width of the sliding type groove 10 refers to the distance between an upper parallel surface and a lower parallel surface, and the groove opening width of the sliding type groove 10 refers to the distance between two side surfaces respectively connected with the upper plane and the lower plane, namely the distance of an opening of the sliding type groove 10.
Installation of embodiment 2: the difference from embodiment 1 is that if the horizontal clear distance between the inside edge of the guardrail handrail and the wall of the hoistway is more than 0.50m at this time, the support member 3 is installed between the upper balustrade 5 and the skirting board 2.
Installation of embodiment 3: the difference with embodiment 1 lies in that when there is the free distance that the horizontal direction exceeds 0.30m between the outside edge of the car top and the shaft walls on both sides, a group of car top guardrail assemblies need to be installed on the car tops on both sides respectively, and if the two groups of guardrail assemblies are mutually perpendicular, the car top guardrail assemblies are connected through the guardrail connecting piece 7, so that the strength of the whole car top guardrail can be increased. When the two sets of guardrail components are perpendicular to each other, the car top guardrail component and the car top guardrail component are fixedly connected through the guardrail connecting piece 7. The other side is provided with a skirting board 2.
Installation of embodiment 4: the difference from embodiment 3 is that if the horizontal clear distance between the inside edge of the guardrail handrail and the wall of the hoistway is more than 0.50m at this time, the support member 3 is installed between the upper balustrade 5 and the skirting board 2.
Installation of embodiment 5: the difference with embodiment 1 is that when there is a free distance of more than 0.30m in the horizontal direction between the wall of the shaft on three sides and the outer edge of the car top, a group of car top guardrail components need to be installed on the car top on the three sides respectively, and when the two groups of guardrail components are perpendicular to each other, the car top guardrail components and the car top guardrail components are fixedly connected through guardrail connecting pieces 7. Make the construction of elevator cab operation personnel on the sedan-chair top safer, connect sedan-chair top guardrail subassembly through guardrail connecting piece 7, can increase the intensity of whole sedan-chair top guardrail.
Installation of embodiment 6: the difference from embodiment 5 is that if the horizontal clear distance between the inside edge of the guardrail handrail and the hoistway wall is more than 0.50m at this time, the support 3 is installed between the upper railing 5 and the skirting board 2.
Claims (4)
1. The utility model provides an elevator cab guardrail which characterized in that: the car top is provided with a plurality of groups of car top guardrail assemblies, and the car top guardrail assemblies are independently or spliced and then installed above the car top;
the car top guardrail assembly comprises a stand column (1), a skirting board (2), a middle railing (4), an upper railing (5) and a stand column bracket (6), wherein the middle railing (4) and the upper railing (5) are fixed on the stand column (1); the stand column bracket (6) is arranged between the skirting board (2) and the stand column (1), the skirting board (2) and the stand column (1) are fixed on the stand column bracket (6), and the stand column bracket (6) is fixed on the top of the car; the upper railing (5) is arranged above the upper beam of the car frame;
a sliding groove (10) is arranged on the car top assembly, the sliding groove (10) is fixed on the car bottom plate or the reinforcing rib (9), and the upright post bracket (6) of the car top guardrail assembly is fixed on the sliding groove (10);
the upright post bracket (6) comprises a bracket plate (61) and a support plate (62), two side surfaces of the bracket plate (61) are respectively fixed with the skirting board (2) and the upright post (1), and the bottom surface of the bracket plate (61) is fixed on the sliding groove (10); the supporting plate (62) is fixed on the bracket plate (61);
a support piece (3) is further arranged on the car top guardrail component, one end of the support piece (3) is fixed on the upper railing (5), and the other end of the support piece (3) is fixed on the skirting board (2);
the skirting board (2) is provided with a continuous hole (21), and the skirting board (2) is fixed on the car top.
2. The elevator car top guardrail of claim 1, wherein: the car top guardrail assembly is a group and is arranged on the car top.
3. The elevator car top guardrail of claim 1, wherein: the car top guardrail assemblies are two or three groups, and the car top guardrail assemblies which are vertical to each other are fixedly connected through guardrail connecting pieces (7).
4. The elevator car top guardrail of claim 1, wherein: the bottom surface of the support plate (61) is fixed on the sliding groove (10) through a bolt and nut assembly (11); the groove width of the sliding groove (10) is not smaller than the distance between two parallel surfaces of the bolt head in the bolt and nut assembly (11), and the groove width of the sliding groove (10) is not larger than the length between the longest diagonal lines of the bolt head in the bolt and nut assembly (11); the width of the notch of the sliding type groove (10) is larger than the large diameter of the thread of the bolt in the bolt and nut component (11), and the width of the notch of the sliding type groove (10) is smaller than the width of the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011013906.9A CN112047217B (en) | 2020-09-24 | 2020-09-24 | Elevator car top guardrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011013906.9A CN112047217B (en) | 2020-09-24 | 2020-09-24 | Elevator car top guardrail |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112047217A CN112047217A (en) | 2020-12-08 |
| CN112047217B true CN112047217B (en) | 2023-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011013906.9A Active CN112047217B (en) | 2020-09-24 | 2020-09-24 | Elevator car top guardrail |
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| CN (1) | CN112047217B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3883874B1 (en) * | 2018-11-19 | 2022-10-12 | Inventio Ag | Elevator car |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204434007U (en) * | 2015-01-16 | 2015-07-01 | 广州广日电梯工业有限公司 | A kind of special-shaped elevator car top guard |
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| JPS5299549A (en) * | 1976-02-13 | 1977-08-20 | Atsushi Tanizawa | Thickening guard rail ends |
| US20050230194A1 (en) * | 2002-05-09 | 2005-10-20 | Ryushu Nakamura | Safety fence at upper part of cab |
| CN101948067A (en) * | 2010-08-25 | 2011-01-19 | 康力电梯股份有限公司 | Adjustable car top guardrail |
| CN103771209A (en) * | 2012-10-24 | 2014-05-07 | 苏州新达电扶梯部件有限公司 | Car top guard |
| CN204224035U (en) * | 2014-10-29 | 2015-03-25 | 康力电梯股份有限公司 | Car top guard toeguard is fixed on the structure on sedan-chair top |
| CN206501983U (en) * | 2017-01-12 | 2017-09-19 | 天海融合防务装备技术股份有限公司 | A kind of aluminum vessels guardrail |
| CN208561334U (en) * | 2018-06-21 | 2019-03-01 | 上海亚荣电梯设备制造有限公司 | Car top guard |
| CN209601870U (en) * | 2019-03-07 | 2019-11-08 | 东莞市华图仕电梯科技有限公司 | A kind of elevator car top guardrail |
| CN210944376U (en) * | 2019-08-15 | 2020-07-07 | 深圳德棱电梯有限公司 | Mounting structure of elevator car top guardrail |
| CN212558963U (en) * | 2020-09-24 | 2021-02-19 | 巨龙电梯有限公司 | Car top guardrail assembly and elevator car top guardrail comprising same |
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2020
- 2020-09-24 CN CN202011013906.9A patent/CN112047217B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204434007U (en) * | 2015-01-16 | 2015-07-01 | 广州广日电梯工业有限公司 | A kind of special-shaped elevator car top guard |
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