EP3710308A1 - Scissor joint - Google Patents
Scissor jointInfo
- Publication number
- EP3710308A1 EP3710308A1 EP18797126.2A EP18797126A EP3710308A1 EP 3710308 A1 EP3710308 A1 EP 3710308A1 EP 18797126 A EP18797126 A EP 18797126A EP 3710308 A1 EP3710308 A1 EP 3710308A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- guide
- body part
- rail
- length
- change
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/30—Power rails
- B60M1/307—Supports
Definitions
- the present invention relates to a device for balancing a
- Rails are floating to compensate for changes in length, as caused for example due to temperature changes.
- the object of the invention is to improve the compensation of changes in length of rails.
- a device for compensating for a change in length of a rail held on a support body in a direction of length change comprises a first body part with a support body interface for connection to the support body, a second body part with a rail interface for connection to the rail and a Guide over which the first body part and the second body part are mounted against each other movably guided in a guide direction with a directional component in the direction of change in length.
- the device is based on the consideration that the rail can be contaminated by their environment. However, the debris deposited on the rail can cause the movement of the floating blocked rail and so the compensation effect in the case of
- the present invention attacks with the idea that the compensation effect in the case of changes in length not to bring about the rail itself, but with a guide, which holds between the rail and the rail
- Carrying body is located. This leadership can then be active, for example, by
- the guide can be a first to the first body part stationary guide part and a second to the second
- Body part stationary guide part each with a sliding surface for sliding bearing include, which are shielded from an environment.
- the guide comprises a joint element, wherein at least one of the sliding surfaces in the
- Joint element is arranged.
- the sliding bearing surfaces do not move relative to each other and thus do not come into contact with the environment, whereby they are automatically protected against weathering and contamination.
- the guide may be a scissors joint comprising the joint element, on which the first
- the first body part may comprise two plates held parallel to one another at a distance from one another by a spacer, wherein the first guide part is a bolt-like
- the support body interface can be arranged on one of the plates.
- the first body part may comprise a guide element held at an angle to the plates and arranged to guide the rail in the direction.
- the rail is held at an angle to be compensated for longitudinal movement direction, so that no rotational movements of the rail are possible.
- the second body part may comprise a damping element which is adapted to dampen movements of the busbar at an angle to the direction of change in length.
- a damping element which is adapted to dampen movements of the busbar at an angle to the direction of change in length.
- Vibration damped which increases the life of the specified device.
- the guide and the rail interface seen in the damping direction can be arranged spaced apart from each other with a variable distance. In this way height differences can be leveled during installation of the rail.
- the damping of the damping device can be designed to act in the direction of the rail interface as viewed from the guide. In this way, the damping effect can be achieved particularly well for suspended rails, which would otherwise lead by their gravity on the side rail interface impacting vibrations or the like.
- Fig. 1 is a schematic view of a track section with a device for compensating for a change in length of a ceiling busbar from a
- FIG. 2 shows a schematic view of a first embodiment of the device from FIG. 1 from a perspective
- FIG. 3 is a schematic view of a second embodiment of the device of FIG. 1 from a perspective
- FIG. 4a is a schematic view of a third embodiment of the device of Fig. 1 from a perspective
- Fig. 4b is a schematic view of the device of Fig. 4a from another perspective
- Fig. 5 is a schematic sectional view of the device of Fig. 4a and 4b.
- FIG. 1 shows a schematic view of a covered with a ceiling 1 track section 2 with a device 4 for compensating a change in length of a rail in the form of a ceiling busbar 3 from a perspective.
- the covered track section 2 as shown in FIG. 1
- an underpass or a covered station is indicated, for example, in a tunnel, an underpass or a covered station be executed.
- the track section 2 extends in a direction of travel 6, a track 8, on which a not further shown electric rail vehicle can move out.
- a track 8 on which a not further shown electric rail vehicle can move out.
- the Ceiling busbar 3 is arranged, from which the electrical
- Rail vehicle with a pantograph in a conventional manner can take electricity.
- the ceiling busbar 3 may change in the direction of travel 6 in length due to environmental influences, such as temperature changes.
- the device 4 is provided which compensates for these changes in length.
- the ceiling support foot 18 holds with a screw 16 in a ceiling angle 20 to the ceiling 1 a long-rod insulator 20, at the ceiling 1 opposite side of a support body in the form of insects 24 with a not further.
- the device 4 is screwed on not referenced screws.
- the device 4 has a
- the ceiling busbar 3 has seen in the height direction 10 at the
- Height direction 10 protrude two spaced clamping arms 30.
- Ceiling busbar 3 is seen in the direction of travel 6 formed in several parts, the individual parts are mechanically and electrically interconnected via butt plates 31, on the one hand via screws on the
- Ceiling busbar 3 are held. For positionally secure mounting spring / groove connections 32 may be provided. At a cross arm 29th opposite side, each clamping arm 30 on a driveway 33 for a not further shown assembly vehicle, which are each directed away from a center line 34 of the ceiling busbar 3. From a viewed in the height direction 10 underside of each route 35 extends each a clamping arm 36 to the center line 34 to. Between the two clamp arms 36 a contact wire 37 is clamped.
- the construction of the ceiling busbar 2 is known per se, for example, from DE 20 2004 009 420 U1 and will not be explained further below.
- FIG. 2 is a perspective view of a first embodiment of
- the first embodiment of the device 4 has a first body part in the form of a housing frame 38 which houses an interior space 39.
- Housing frame 38 has a support body interface in the form of a
- Connection side 40 which via screws 16 to the bottom surface 26 of the
- each guide rod 42 has a sliding surface in the form of an outer circumferential surface 43.
- each of the guide rods 42 On the outer circumferential surface 43 of each of the guide rods 42, a second guide member in the form of a sleeve 44 is pushed.
- Each sleeve 44 has a
- the two sleeves 44 are connected to each other at the bottom via a U-clamp 46.
- This U-clamp 46 is only partially visible in the perspective of FIG.
- the U-clamp 46 penetrates in a manner not visible in Fig. 2, a holding rod 47 which on one of the U-clamp 46th opposite side to the terminal plate 27 is connected as a second body part.
- the two sleeves 43 slide on the guide rods 42 and thus compensate for changes in length of the ceiling busbar 3, i. means that the connection plate 27 can move as a second body part in the case of changes in length of the ceiling busbar 3 relative to the connection side 40 of the housing frame 38 as a first body part. Due to the parallel arrangement of the guide rods 42 in the transverse direction 41 forces are also absorbed in the transverse direction, whereby a commuting of the ceiling busbar 3 in the transverse direction 41 is prevented.
- the housing frame 38 in FIG. 2 can be closed by lids, which are not shown further, which prevent contamination in the interior 39.
- Guide rods 42 are also lubricated with a lubricant, which is also not exposed due to the cover not shown the environment.
- FIG. 3 is a perspective view of a second embodiment of
- the second embodiment of the device 4 has a first body part in the form of a holding plate 48.
- the holding plate 48 has a support body interface in the form of the connection side 40 and is screwed by screws 16 to the bottom surface 26 of the embhaltefußes 24.
- holding plate top 49 A seen in the height direction 10 holding plate top 49 is bent at a bending angle 50.
- Transverse direction 41 spaced screw rings 51 out, which extend in the direction of travel 6.
- a first guide part is guided in the form of a hinge pin 52 and secured to the screw rings 51.
- a second guide member is suspended in the form of a pendulum 53, which thus forms a joint 54 together with the hinge pin 52.
- the same joint 54 is located in the height direction 10 seen on both sides of the pendulum 53, wherein the terminal plate 27 is widened in the transverse direction 41 beyond the busbar 3 in order to fasten the screw rings 51 there can.
- the pendulum 53 can be rotated about the two guide rods 42, whereby the ceiling busbar 3 can swing back and forth along the direction of travel 6 or swing. Changes in length of the ceiling busbar 3 can be compensated, because the
- Connecting plate 27 can move as a second body part in the case ofParkn S- ments of the ceiling busbar 3 relative to the holding plate 48 as the first body part.
- the sliding surfaces of the joints 54 which are not further shown in FIG. 3, are always covered with respect to an outer side and can not become dirty in this way. In this way, with the joints 54, the same effect as with the housing 38 of the first embodiment, but on a much smaller space.
- FIGS. 4a and 4b show, in two different perspective views, a third embodiment of the device 4 for compensating the change in length of the ceiling busbar 3.
- the third embodiment of the device 4 has analogously to the second embodiment as the first body part on a holding plate 48 which is connected to the embhaltefuß 24 in exactly the same manner as in the second embodiment of the device 4.
- the holding plate 48 is not angled and further arranged parallel to the ceiling busbar 3.
- a second holding plate 56 Seen in parallel and in the height direction 10 below the holding plate 48, a second holding plate 56 is held by way of a spacer 55.
- the spacer 55 is located in the direction of travel 6 seen at the rear end of both plates 48, 56, wherein the three elements 48, 55, 56 screwed together by a screw 16 against the depth direction 10.
- a guide member 57 is mounted with a guide groove 58 and screwed with two screws 16 in the spacer 55.
- the ceiling busbar 3 in the guide groove 58th added.
- the guide member 57 may have slots 59 through which the screws 16 are guided.
- a shim 60 may be placed between the screws 16 and the guide member 57. On the function of this guide element will be discussed later.
- a scissors joint 61 Seen in the direction of travel 6, a scissors joint 61 is held on a side opposite the guide element 57 between the two plates 48, 56.
- Scissors hinges are also known by the term scissor arm.
- the scissors hinge 61 has four equally long bars 62 which are held at their respective ends by means of joints 54 against each other rotatable. In this way, the rods 62 form a variable in its angular position parallelogram.
- One of the joints 54 is formed at the location where the scissor hinge 61 is held between the plates 48, 56 via a hinge pin 52. This joint 54 is not provided with a separate reference numeral in FIGS. 4a, 4b for the sake of clarity.
- Another joint 54 is seen in the direction of travel 6, the two plates 48, 56 formed opposite one another via a damping device 63, which will be discussed in more detail later.
- a seen in the depth direction 10 lower end of the damping device 63 is fixedly connected to the end plate 27.
- the third embodiment of the device 4 has the advantage that the connection plate 27 opposite to the two plates 48, 56 io
- damping device 63 will be explained in more detail with reference to FIG. 5. Both the pendulum 53 of the second embodiment of the device 4 and the flat bar 47 of the first embodiment of the device 4 can be replaced by the damping device 63 and / or expand it.
- the damping device 63 comprises a tube 64 in which a plunger 65 is received coaxially.
- an adjusting thread 66 connects, which is guided by the joint 54 between the two rods 62 arriving at the damping device 63.
- a spacer sleeve 67 is held around which the rods 62 can rotate.
- a washer 68 is placed on a screwed onto the adjusting thread 66 adjusting nut 69 is placed.
- Plunger 65 is held stationary on the connection plate 27 and is separated by a spring 70 on the adjusting thread 66. In this way, the current rail 3 fastened to the connection plate 27 presses the adjusting nut 69 via the spring 70 and the adjusting thread 66 onto the rods 62 on the joint 54 of the scissors joint 61.
- Vibrations in and against the depth direction 10 on the ceiling busbar 3 are thus absorbed and damped by the spring 70.
- the damping effect can be adjusted by turning the adjusting nut 69, which determines a distance 71 of the ceiling busbar 3 in the height direction 10 of the scissors hinge 61.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017127051.5A DE102017127051B3 (en) | 2017-11-16 | 2017-11-16 | scissor joint |
PCT/IB2018/057951 WO2019097324A1 (en) | 2017-11-16 | 2018-10-13 | Scissor joint |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3710308A1 true EP3710308A1 (en) | 2020-09-23 |
Family
ID=64109954
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18797126.2A Withdrawn EP3710308A1 (en) | 2017-11-16 | 2018-10-13 | Scissor joint |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3710308A1 (en) |
DE (1) | DE102017127051B3 (en) |
WO (1) | WO2019097324A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114475367B (en) * | 2022-01-13 | 2023-05-23 | 重庆建筑工程职业学院 | Rail transit contact net support column device |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1286069B (en) * | 1964-02-01 | 1969-01-02 | Bbc Brown Boveri & Cie | Contact line support point for railways, cranes or the like. |
DE4128711A1 (en) * | 1991-08-29 | 1993-03-04 | Klaus Riedl | Variable bracket for bus=bar point support in underground traffic systems - has swivel arm equipped with three joints fixed at mounting plate provided with holes for roof fixing in circular or rectangular tunnel cross=sections |
DE202004009420U1 (en) | 2004-06-16 | 2004-10-21 | Furrer + Frey AG Ingenieurbüro Fahrleitungsbau | conductor rail |
DE102009048869B3 (en) | 2009-10-09 | 2011-04-07 | Furrer + Frey AG Ingenieurbüro Fahrleitungsbau | Busbar holder |
DE102010033451A1 (en) * | 2010-08-05 | 2012-02-09 | Furrer + Frey Ag | Busbar configuration |
DE102012101620A1 (en) * | 2012-02-28 | 2013-08-29 | SPL Powerlines Austria GmbH & Co. KG | Isolation support for a busbar for electrically driven rail vehicles |
KR20140110324A (en) | 2013-03-07 | 2014-09-17 | 엘에스전선 주식회사 | support clamp and rigid bar support system including the same |
KR101549047B1 (en) * | 2015-07-17 | 2015-09-01 | 김연원 | Scissiors moveable catenary system for electric railway depot |
-
2017
- 2017-11-16 DE DE102017127051.5A patent/DE102017127051B3/en not_active Expired - Fee Related
-
2018
- 2018-10-13 EP EP18797126.2A patent/EP3710308A1/en not_active Withdrawn
- 2018-10-13 WO PCT/IB2018/057951 patent/WO2019097324A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
DE102017127051B3 (en) | 2018-12-20 |
WO2019097324A1 (en) | 2019-05-23 |
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