CN107054381B - Insulating telescoping device at rail transit platform door top - Google Patents
Insulating telescoping device at rail transit platform door top Download PDFInfo
- Publication number
- CN107054381B CN107054381B CN201710401349.XA CN201710401349A CN107054381B CN 107054381 B CN107054381 B CN 107054381B CN 201710401349 A CN201710401349 A CN 201710401349A CN 107054381 B CN107054381 B CN 107054381B
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- Prior art keywords
- piece
- shaped plate
- insulating
- bearing
- load
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- 238000010008 shearing Methods 0.000 claims abstract description 7
- 238000001125 extrusion Methods 0.000 claims abstract description 5
- 238000009413 insulation Methods 0.000 claims description 11
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B1/00—General arrangement of stations, platforms, or sidings; Railway networks; Rail vehicle marshalling systems
- B61B1/02—General arrangement of stations and platforms including protection devices for the passengers
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Platform Screen Doors And Railroad Systems (AREA)
Abstract
An insulating telescoping device at rail transit platform door top includes expansion piece, lower expansion piece and insulating piece, still includes: the bearing piece is supported at the lower end of the upper telescopic piece and the upper end of the lower telescopic piece along the load direction, and the insulating piece is arranged on the bearing piece between the upper telescopic piece and the lower telescopic piece along the load direction. Because the arrangement direction of the insulating element is consistent with the wind pressure load and the crowd extrusion load direction, the shearing force of the insulating element bearing load is avoided, the shearing force is borne by a rigid structure formed by the upper telescopic element, the lower telescopic element and the bearing element, the insulating element is prevented from being damaged, and the accident potential is avoided.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to an insulating telescopic device at the top of a rail transit platform door.
Background
The platform door is also called a shielding door, is a safety device applied to urban rail transit in the last 80 th century, is arranged on the edge of a subway platform, isolates a train from a subway platform waiting area, can be automatically opened and closed when the train arrives and departs, and creates a safe and comfortable waiting environment for passengers. The subway of part of cities in China is provided with or is about to be provided with a shielding door system, and the subway shielding door system plays a very important role in urban rail transit as an application of a new technology.
The platform door mainly comprises a bearing structure, a door body, a control system and a transmission mechanism. The load-bearing structure mainly bears wind pressure load generated by tunnel piston wind, load from crowd extrusion and the like, and is the most important component of the platform door system. At the top of the platform door, the bearing structure is connected with the air duct beam through an insulating telescopic device, so that the whole system equipment and civil engineering are electrically isolated, and meanwhile, the requirements of bearing and absorbing civil engineering settlement are met.
The structure of the insulation telescopic device is shown in fig. 1 and 2, and comprises an upper telescopic piece 1, a lower telescopic piece 2 and an insulation piece 3, wherein the structure of a sleeve is adopted in fig. 1 to realize the absorption of the sedimentation amplitude, and when the insulation piece 3 is partially exposed outside the upper telescopic piece 1, the insulation piece 3 bears the shearing force generated by wind pressure load and the like; fig. 2 adopts a swing arm structure to realize the absorption and sedimentation amplitude, and because of adopting a revolute pair, the effective electrical isolation distance cannot meet the standard requirement, and in the absorption and sedimentation process, the Z direction and the Y direction are changed due to rotation, so that the equipment is displaced in 2 directions (vertical direction and horizontal direction) and additionally generated stress and bending moment exist, thereby causing potential safety hazard.
Disclosure of Invention
To the problem that the insulating telescoping device at current platform door top exists, this application provides an insulating telescoping device at rail transit platform door top, including last extensible member, lower extensible member and insulating part, still include the load-bearing piece, the load-bearing piece is accepted in the lower extreme of last extensible member and the upper end of lower extensible member along the load direction, and the insulating part is arranged on the load-bearing piece between last extensible member and the lower extensible member along the load direction.
In one embodiment, the upper telescoping member comprises an L-shaped plate and a T-shaped plate;
the T-shaped plate is movably arranged below the L-shaped plate, and the vertical part of the T-shaped plate is vertically connected with the bearing piece.
In one embodiment, the vertical portion of the T-shaped plate is provided with an up-down adjustment hole at the connection of the bearing member.
In one embodiment, the transverse portion of the T-shaped plate is provided with left and right adjustment holes.
In one embodiment, the vertical portion of the T-shaped plate is provided with a reinforcing plate.
In one embodiment, the vertical portion of the L-shaped plate is provided with an up-down adjusting hole, and the transverse portion of the L-shaped plate is provided with a front-back adjusting hole.
In one embodiment, the spacing between the vertical portion of the T-shaped plate and the lower telescoping member is 30mm.
In one embodiment, the insulation gap of the insulation is 25mm.
In one embodiment, the insulating member is made of PBT material.
In one embodiment, the load bearing member is a load bearing bar having high strength.
According to the insulating telescopic device of the embodiment, the insulating elements are distributed along the load direction, namely, the insulating elements are arranged perpendicular to the upper telescopic elements and the lower telescopic elements, and as the distribution direction of the insulating elements is consistent with the wind pressure load and the crowd extrusion load direction, the shearing force of the insulating elements bearing the load is avoided, the rigid structure consisting of the upper telescopic elements, the lower telescopic elements and the bearing elements is borne by the shearing force, the insulating elements are prevented from being damaged, and the accident potential is avoided.
In addition, sedimentation absorption is achieved by the vertical sliding of the bearing piece in the vertical part of the T-shaped plate in the vertical adjusting holes, and in the absorption process, equipment inclination problem can not occur by the up-down, front-back and left-right matching of the L-shaped plate and the T-shaped plate.
Drawings
FIG. 1 is a block diagram of an insulated telescopic device on top of a conventional platform door;
FIG. 2 is another block diagram of an insulated telescopic device on top of a conventional platform door;
FIG. 3 is a block diagram of an insulated telescopic device on top of a platform door according to the present application;
FIG. 4 is a rear view of the insulated telescopic device of the top of the platform door of the present application;
fig. 5 is an exploded view of the insulated telescopic device of the top of the platform door of the present application.
Detailed Description
The invention will be described in further detail below with reference to the drawings by means of specific embodiments.
The embodiment provides an insulating telescopic device at the top of a rail transit platform door, the structure diagram is shown in fig. 3, the rear view is shown in fig. 4, the insulating telescopic device comprises an upper telescopic member 1, a lower telescopic member 2, an insulating member 3 and a bearing member 4, the bearing member 4 is supported at the lower end of the upper telescopic member 1 and the upper end of the lower telescopic member 2 along the load direction, and the insulating member 3 is arranged on the bearing member 4 between the upper telescopic member 1 and the lower telescopic member 2 along the load direction.
As shown in fig. 5, the upper telescopic member 1 comprises an L-shaped plate 11 and a T-shaped plate 12, wherein an up-down adjusting hole 111 is arranged at the vertical part of the L-shaped plate 11, a connecting rod 5 is used for penetrating the up-down adjusting hole 111 to connect the upper telescopic member 1 with external equipment, and the up-down telescopic member 1 can move up and down relative to the external equipment through the up-down adjusting hole 111; the horizontal portion of L template 11 is equipped with fore-and-aft regulation hole 112, and the horizontal portion of T template 12 is equipped with controls regulation hole 121, adopts the bolt to wear to locate the fore-and-aft regulation hole 112 of the horizontal portion of L template 11 and the horizontal portion of T template 12 about regulation hole 121 in proper order, and the bolt both ends set up the fastening piece for T template 12 activity sets up in L template 11 below, for example, T template 12 can be relative L template 11 side-to-side through controlling regulation hole 121, simultaneously, L template 11 is relative T template 12 back-and-forth movement through fore-and-aft regulation hole 112.
The vertical portion of T template 12 is connected with bearing member 4 perpendicularly, and the vertical portion of T template 12 is equipped with upper and lower regulation hole 122 in the junction of bearing member 4, and when the civil engineering subsided, the purpose of subsidence absorption is realized through bearing member 4 sliding about in this upper and lower regulation hole 122, and the absorbing in-process, if the in-process of needs reciprocates, back and forth or controls, realizes corresponding displacement through the cooperation of L template 11 and T template 12, avoids equipment to take place the slope.
Further, in order to strengthen the strength of the T-shaped plate 12, a reinforcing plate 123 is provided at the tightening portion of the T-shaped plate of this example.
Further, in order to make the rigid structure formed by the upper telescopic member 1, the lower telescopic member 2 and the load bearing member 4 have the capability of optimally bearing wind pressure load and crowd extrusion load, the load bearing member 4 of this example is preferably a high-strength load bearing rod, the distance between the vertical portion of the T-shaped plate and the lower telescopic member is preferably 30mm, the insulation gap of the insulating member 3 is preferably 25mm according to the preferred distance, and accordingly, the material of the insulating member 3 can be an insulating material such as PBT material, so as to play a role in lubrication and insulation.
The rigid structure formed by the upper telescopic part 1, the lower telescopic part 2 and the bearing part 4 of the embodiment can prevent the insulating part 3 from bearing shearing force, further prevent the insulating part 3 from being damaged by cracks and the like, and avoid accident potential caused by damage of the insulating part 3.
The foregoing description of the invention has been presented for purposes of illustration and description, and is not intended to be limiting. Several simple deductions, modifications or substitutions may also be made by a person skilled in the art to which the invention pertains, based on the idea of the invention.
Claims (3)
1. The utility model provides an insulating telescoping device at rail transit platform door top, includes expansion piece, lower expansion piece and insulating part, its characterized in that still includes: the bearing piece is supported at the lower end of the upper telescopic piece and the upper end of the lower telescopic piece along the load direction, and the insulating piece is arranged on the bearing piece between the upper telescopic piece and the lower telescopic piece along the load direction;
the upper telescopic piece comprises an L-shaped plate and a T-shaped plate;
the T-shaped plate is movably arranged below the L-shaped plate, and the vertical part of the T-shaped plate is vertically connected with the bearing piece;
the vertical part of the T-shaped plate is provided with an up-down adjusting hole at the joint of the bearing piece;
the transverse part of the T-shaped plate is provided with a left adjusting hole and a right adjusting hole;
the vertical part of the L-shaped plate is provided with an up-down adjusting hole, and the transverse part of the L-shaped plate is provided with a front-back adjusting hole;
the vertical part of the T-shaped plate is provided with a reinforcing plate;
the distance between the vertical part of the T-shaped plate and the lower telescopic piece is 30mm;
the insulation gap of the insulation piece is 25mm;
the insulating pieces are distributed along the load direction, namely, the insulating pieces are perpendicular to the upper telescopic pieces and the lower telescopic pieces, and the distribution direction of the insulating pieces is consistent with the wind pressure load and crowd extrusion load direction, so that the shearing force of the insulating pieces bearing the load is avoided;
the settlement absorption is realized by the up-and-down sliding of the bearing piece in the up-and-down adjusting hole of the vertical part of the T-shaped plate, and in the absorption process, the equipment inclination problem can not be generated by the up-and-down, front-and-back and left-and-right matching of the L-shaped plate and the T-shaped plate.
2. The insulating telescoping device of claim 1, wherein the insulating member is PBT.
3. The insulation pack of claim 1, wherein the load bearing member is a load bearing bar having high strength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710401349.XA CN107054381B (en) | 2017-05-31 | 2017-05-31 | Insulating telescoping device at rail transit platform door top |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710401349.XA CN107054381B (en) | 2017-05-31 | 2017-05-31 | Insulating telescoping device at rail transit platform door top |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107054381A CN107054381A (en) | 2017-08-18 |
| CN107054381B true CN107054381B (en) | 2023-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710401349.XA Active CN107054381B (en) | 2017-05-31 | 2017-05-31 | Insulating telescoping device at rail transit platform door top |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107054381B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216793B (en) * | 2021-04-27 | 2022-10-21 | 成都建工工业设备安装有限公司 | Subway platform door installation construction component and installation method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200999565Y (en) * | 2007-01-16 | 2008-01-02 | 方大集团股份有限公司 | Telescopic load bearing connecting mechanism |
| CN204037552U (en) * | 2014-07-23 | 2014-12-24 | 宁波南车电气设备有限公司 | The back timber insulating mechanism of light rail or subway platform |
| CN204077655U (en) * | 2014-07-29 | 2015-01-07 | 杭州优迈科技有限公司 | A kind of adjustment installing mechanism of screen door in rail transit column |
| CN104943699A (en) * | 2015-07-02 | 2015-09-30 | 深圳市比阳科技有限公司 | Insulation structure and insulation method for shielding door body of metro |
| CN205554181U (en) * | 2016-03-23 | 2016-09-07 | 宁波中车时代传感技术有限公司 | Stand of shield door |
| CN206155439U (en) * | 2016-09-28 | 2017-05-10 | 西屋月台屏蔽门(广州)有限公司 | Track traffic shielding door stand upper portion mounting adjustment structure |
| CN206826643U (en) * | 2017-05-31 | 2018-01-02 | 上海邑畅交通设备科技有限公司 | A kind of insulating telescopic device of rail traffic platform header |
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- 2017-05-31 CN CN201710401349.XA patent/CN107054381B/en active Active
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| Publication number | Publication date |
|---|---|
| CN107054381A (en) | 2017-08-18 |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Effective date of registration: 20240205 Address after: 435000 Factory Building No. 16, Zone C, Hubei Xingang Science and Technology Entrepreneurship Park Co., Ltd., Xingang (Logistics) Industrial Park, Yangxin County, Huangshi City, Hubei Province Patentee after: Hubei Wanku Intelligent Rail Transit Co.,Ltd. Country or region after: China Address before: 201613 Room 120, Block B, Building 13, No. 4, Songhui East Road, Songjiang District, Shanghai Patentee before: SHANGHAI ECHANE TRANSPORTATION EQUIPMENT TECHNOLOGY CO.,LTD. Country or region before: China |