CN205381148U - A frame -type lifing arm for pantograph - Google Patents
A frame -type lifing arm for pantograph Download PDFInfo
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- CN205381148U CN205381148U CN201520861446.3U CN201520861446U CN205381148U CN 205381148 U CN205381148 U CN 205381148U CN 201520861446 U CN201520861446 U CN 201520861446U CN 205381148 U CN205381148 U CN 205381148U
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Abstract
The utility model provides a frame -type lifing arm for pantograph. There is the maintenance cost in it higher and break technical problem such as contact net easily when the trouble when solving current track transportation vehicles external power. Its technical essential is: its pantograph includes base subassembly (5), support arm, lifing arm, lift power device (4), spring unit (8) and bow subassembly (10), is provided with insulator B (3) in the lower part of base subassembly (5), support arm and the lifing arm activity that forms the linkage frame construction that cranks arm that cooperatees. But its wide application in various track traffics, non - track traffic public transport vehicle, motor driven vehicle's such as haulage truck the electricity that receives is used.
Description
Technical field
The electric motorized vehicle such as this utility model relates to a kind of for track traffic, non-track traffic public transit vehicle, haulage truck are by the small-sized pantograph of electricity.
Background technology
It is that electrically-driven car obtains the electrical equipment of electric energy from contact net that pantograph (has another name called current collector), is arranged on locomotive or motor-car roof.Pantograph can be divided into four big classes: double-arm, single arm type, rectilinear and stone Tianjin formula, and single armed bow and both arms bend this both of which and are made up of parts such as slide plate, upper frame, lower arm rod (both arms bow underframe), underframe, rising bow spring, transmission cylinder, support insulators.Rhombus pantograph, also referred to as diamond pantograph, very general in the past, after be eliminated gradually owing to maintenance cost is higher and easily breaks contact net when fault, single armeds bows that adopt in recent years, but existing single armed bow is essentially all employing spring and stay cord is driven more, Electronic control or Non-follow control can not be realized, particularly when bow drops in needs, operate very inconvenient, and there is certain potential safety hazard.
Summary of the invention
The purpose of this utility model is to provide one can realize automatic lifting bow function by modes such as electronic, pneumatic element (cylinder or air bag), hydraulic pressure or electric magnet, lifting bow function is realized also by connecting hand gear, and install, safeguard, easy to use, simple in construction, small volume, and can pass through to arrange position sensor and can manipulate the frame type lifting arm for pantograph of lifting at any time.
This utility model solves the technical scheme is that pantograph of its technical problem and includes base assembly 5, support arm, lifting arm, lifting power plant 4, spring assembly 8 and bow assembly 10, be provided with insulator B3 in the bottom of base assembly 5, the support arm activity forming linkage that matches with lifting arm is cranked arm frame structure；
Support arm includes the lower support bar 6 and the upper support bar 13 composition activity crank arm mechanism that are hinged, the lower end of lower support bar 6 is hingedly mounted on base assembly 5 top, the lower end of the upper end of lower support bar 6 and upper support bar 13 is hinged, and the upper end of upper support bar 13 and bow assembly 10 are hinged；
Lifting arm includes push rod 7 and the gimbal lever 9, and push rod 7 is hinged with the gimbal lever 9 one-tenth angle composition activity crank arm mechanism, and the lower hinge of push rod 7 is arranged on base assembly 5 top, and the upper end of push rod 7 is hinged with upper support bar 13 and the gimbal lever 9 phase respectively by push rod rotating shaft；
The lower end jointed shaft of lower support bar 6 and push rod 7 is not on coaxial line, drive when lower support bar 6 rotates on upper support bar 13 and lift, upper support bar 13 is promoted to rotate owing to push rod 7 rotates, make upper support bar 13 can follow lower support bar rotate and promote the gimbal lever 9 to rotate, the upper end of the gimbal lever 9 and bow assembly 10 are hinged, the upper end thereof axle of upper support bar 13 and the gimbal lever 9 is not on coaxial line, to ensure that bow rises smoothly；
Lifting power plant 4 is connected with the bottom of lower support bar 6, makes lower support bar 6 rotate around rotor shaft direction by push-pull effort, and drives upper support bar 13 and the gimbal lever 9 to rotate, thus realizing lifting bow；
One end of spring assembly 8 is arranged on the side that base assembly 5 is relative with hinged lower support bar 6, and the spring tip 14 that spring assembly 8 other end is arranged adopts bearing pin 15 to be connected with lower support bar 6 bottom.
Described support arm can adopt pull-off pole structure, namely 2 lower support bars 6 and 2 upper support bars 13 are included, the lower end of every lower support bar 6 is respectively articulated with and is arranged on base assembly 5 one upper lateral part, the upper end of lower support bar 6 is hinged with strut crossbeam 21 respectively, the lower end of upper support bar 13 and strut crossbeam 21 Joint, the upper end of every upper support bar 13 is hinged with the side of bow assembly 10 respectively, the lower hinge of push rod 7 is arranged on base assembly 5, the side, upper end of push rod 7 is hinged on strut crossbeam 21, the lower end of the gimbal lever 9 and strut crossbeam 21 are hinged, the upper end of the gimbal lever 9 and bow assembly 10 are hinged, by adopting pull-off pole structure, to ensure that bow can smooth contact with contact net.
Described support arm may be used without the support bar of 2 " u "-shaped structures and is hinged, and the support bar of 2 " u "-shaped structures is hinged composition activity crank arm mechanism；Namely 2 lower support bar 6 bottoms are fixedly connected with perpendicular rotating shaft beam and constitute the lower support bar of a " u "-shaped structure, the two ends of rotating shaft beam are respectively hinged on base assembly 5, and arrange the hinged-support being connected with lifting power plant 4 clutch end on rotating shaft beam；The bottom of 2 upper support bars 13 upper support bar that connect and compose a " u "-shaped structure fixing with strut crossbeam 21, and on strut crossbeam 21, it is provided with hinged-support, the upper end of push rod 7 is hinged on the hinged-support of strut crossbeam 21 together with the lower end of the gimbal lever 9；The upper end of every lower support bar 6 is hinged with strut crossbeam 21 respectively, and the upper end of every upper support bar 13 is hinged with bow assembly 10 respectively.
Further, the upper end of push rod 7 arranges push rod rotating shaft, and push rod rotating shaft waist adopts and includes square shaft or bearing pin and be relatively fixed with push rod 7 and be connected, and push rod rotating shaft is stretched out the two ends of push rod 7 junction and is circular shaft structure and is hinged with the gimbal lever 9 and upper support bar 13 respectively.
Also cascade oiling bearing can be provided with the hinged place of base assembly, upper support bar 13 with push rod 7 hinged place in the lower end of push rod 7 and lower support bar 6.
Described lifting power plant 4 adopts and includes electronic, pneumatic element, hydraulic pressure or electromagnet mechanism, and lifting power plant 4 action realizes rectilinear motion, to complete lifting bow action.
Between described lifting power plant 4 and lower support bar 6, insulator A2 is set, it is ensured that being dielectrically separated between lifting power plant 4 and support arm, lifting arm.
Being provided with lubricious strip 12 between the slide plate 11 that bow assembly 10 top outer of the present utility model is arranged, convenient lubrication is by electricity rail or contact wire, thus improving slide plate 11 and the service life by electricity rail and contact wire.
Base assembly 5 is installed sensor support base 31, described sensor support base 31 adopts insulant to be made, setting position at the top correspondence bow 33 of sensor support base 31 arranges position sensor 32, for accurately detecting the lifting position of current collector bow, it is judged that whether bow ascending, descending puts in place.Also can being provided with triggered gap between position sensor 32 and bow 33, the signal of position sensor 32 is connected with control circuit.Described position sensor 32 includes passive proximity switch, vortex type proximity switch, capacitive approach switch, proximity Hall switch, photo-electric proximity switch.
It is simple and reliable for structure, and cost is low, anti shock and vibration, and stable by stream, followability is good, and structural strength is high, and applied range, convenient operating maintenance, it both may be installed rail traffic vehicles top, it is possible to is arranged on sidepiece or bottom.Being used by electricity of the electric motorized vehicle such as it can be widely applied to various track traffic, non-track traffic public transit vehicle, haulage truck.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the use view showing extension spring position and motor position.
Fig. 3 is the mounting structure schematic diagram of bow position detection.
In figure: flexible axle controls system 1, insulator A2, insulator B3, lifting power plant 4, base assembly 5, lower support bar 6, push rod 7, spring assembly 8, the gimbal lever 9, bow assembly 10, slide plate 11, lubricious strip 12, upper support bar 13, spring tip 14, bearing pin 15, insulator C201, strut crossbeam 21, hinged-support 22, sensor support base 31, position sensor 32, bow 33.
Detailed description of the invention
Below in conjunction with accompanying drawing, that the utility model is described in further detail is as follows:
Consult Fig. 1 to Fig. 3, pantograph includes base assembly 5, support arm, lifting arm, lifting power plant 4, spring assembly 8 and bow assembly 10, the bottom of base assembly 5 is provided with insulator B3, base assembly 5 is connected with car body by insulator B3, makes maintenance state of insulation between current collector and car body by insulator.The support arm activity forming linkage that matches with lifting arm is cranked arm frame structure；Lifting power plant 4 is connected with base assembly 5, push rod 7 and lower support bar 6 by insulator；The spring of described spring assembly 8 can adopt extension spring or stage clip, and it can make pantograph be in rising bow state all the time or drop arciform state.
The hinged-support being hinged with push rod and support bar etc. of the present utility model can adopt shaft base structure, and it can pass through mounting sleeve on the axle of axle bed, and install needle bearing in the hinged place of lower support bar, is hinged by needle bearing and axle sleeve.
Support arm is also by including the lower support bar 6 that is hinged and upper support bar 13 constitutes movable crank arm mechanism, the lower end of lower support bar 6 is hingedly mounted on base assembly 5 top, the lower end of the upper end of lower support bar 6 and upper support bar 13 is hinged, and the upper end of upper support bar 13 and bow assembly 10 are hinged；
Lifting arm can by including into push rod 7 that angle is hinged and the gimbal lever 9 constitutes movable crank arm mechanism, and the lower hinge of push rod 7 is arranged on base assembly 5 top, and the upper end of push rod 7 is hinged with upper support bar 13 and the gimbal lever 9 phase respectively by push rod rotating shaft；
Lifting power plant 4 is connected with the bottom of lower support bar 6, makes lower support bar 6 rotate around rotor shaft direction by push-pull effort, and drives push rod 7, upper support bar 13 and the gimbal lever 9 to rotate, thus realizing lifting bow；
One end of spring assembly 8 is arranged on the side that base assembly 5 is relative with hinged lower support bar 6, and the spring tip 14 that spring assembly 8 other end is arranged adopts bearing pin 15 to be connected with lower support bar 6 bottom.
In installing and using process, the lower end jointed shaft of lower support bar 6 and push rod 7 is not preferably on coaxial line, and lower support bar 6 is different with the length of push rod 7, it is the lower support bar 6 length less than push rod 7 under normal circumstances, in order to make bow assembly 10 produce to rise or fall distance when rotating.Drive when lower support bar 6 rotates on upper support bar 13 and lift, upper support bar 13 is promoted to rotate owing to push rod 7 rotates, make upper support bar 13 can follow lower support bar rotate and promote the gimbal lever 9 to rotate, the upper end of the gimbal lever 9 and bow assembly 10 are hinged, the upper end thereof axle of upper support bar 13 and the gimbal lever 9 is not on coaxial line, make bow assembly 10 top be horizontal when rising or falling, and ensure that bow rises smoothly；
When lifting power plant 4 obtains control signal, lifting power plant 4 starts action and produces rectilinear motion, promotes lower support bar 6 to rotate, and lower support bar 6 drives push rod 7 to rotate, upper support bar 13 and the gimbal lever 9 is promoted to rotate together by push rod 7, it is achieved steadily rising or falling of bow assembly 10.Pulling force or thrust produced by spring assembly 8, make lower support bar 6 rotate, so that bow assembly 10 is maintained at liter or drops arciform state.
Described support arm both can adopt pull-off pole structure, namely 2 lower support bars 6 and 2 upper support bars 13 are included, the lower end of every lower support bar 6 is respectively articulated with and is arranged on base assembly 5 one upper lateral part, the upper end of lower support bar 6 is hinged with strut crossbeam 21 respectively, the lower end of upper support bar 13 and strut crossbeam 21 Joint, the upper end of every upper support bar 13 is hinged with the side of bow assembly 10 respectively, the lower hinge of push rod 7 is arranged on base assembly 5, the side, upper end of push rod 7 is hinged on strut crossbeam 21, the lower end of the gimbal lever 9 and strut crossbeam 21 are hinged, the upper end of the gimbal lever 9 and bow assembly 10 are hinged, by adopting pull-off pole structure, to ensure that bow can smooth contact with contact net.
Described support arm may be used without the support bar of 2 " u "-shaped structures and is hinged, and the support bar of 2 " u "-shaped structures is hinged composition activity crank arm mechanism；Namely 2 lower support bar 6 bottoms are fixedly connected with perpendicular rotating shaft beam and constitute the lower support bar of a " u "-shaped structure, the two ends of rotating shaft beam are respectively hinged on base assembly 5, and arrange the hinged-support being connected with lifting power plant 4 clutch end on rotating shaft beam；The bottom of 2 upper support bars 13 upper support bar that connect and compose a " u "-shaped structure fixing with strut crossbeam 21, and on strut crossbeam 21, it is provided with hinged-support, the upper end of push rod 7 is hinged on the hinged-support of strut crossbeam 21 together with the lower end of the gimbal lever 9；The upper end of every lower support bar 6 is hinged with strut crossbeam 21 respectively, and the upper end of every upper support bar 13 is hinged with bow assembly 10 respectively.
Push rod 7 upper end of the present utility model can arrange push rod rotating shaft, push rod rotating shaft waist adopts and includes square shaft or bearing pin and be relatively fixed with push rod 7 and be connected, and push rod rotating shaft is stretched out the two ends of push rod 7 junction and is circular shaft structure and is hinged with the gimbal lever 9 and upper support bar 13 respectively.
Also cascade oiling bearing can be provided with the hinged place of base assembly, upper support bar 13 with push rod 7 hinged place in the lower end of push rod 7 and lower support bar 6.Lifting power plant 4 also can directly be connected with lower support bar 6, but the rotating shaft of junction is not at same axis, makes lower support bar 6 rotate around rotor shaft direction by push-pull effort, and drives upper support bar 13, push rod 7 and the gimbal lever 9 to rotate, thus realizing lifting bow.
Bow assembly 10 top outer of the present utility model is respectively arranged with slide plate 11 and contacts realization by electricity with by electricity rail；Being provided with lubricious strip 12 between the slide plate 11 that bow assembly 10 top outer is arranged, by being provided with lubricious strip 12 between slide plate 11, convenient lubrication is by electricity rail or contact wire, thus improving slide plate 11 and the service life by electricity rail or contact wire.
One end of spring assembly 8 is arranged on the side that base assembly 5 is relative with hinged lower support bar 6, and the spring tip 14 that spring assembly 8 other end is arranged adopts bearing pin 15 to be connected with lower support bar 6 bottom.
Described lifting power plant 4 is also dependent on actual condition, employing includes the action of electronic, pneumatic element (such as cylinder or air bag etc.), hydraulic pressure or electromagnet mechanism etc. to realize rectilinear motion, electronic, pneumatic element, hydraulic pressure or electric magnet isoline motion is included as control system, thus realizing rising bow or the control dropping bow by adopting.
Between described lifting power plant 4 and lower support bar 6, insulator A2 is set, it is ensured that being dielectrically separated between lifting power plant 4 and support arm, lifting arm.
Sensor support base 31 also can be installed on base assembly 5, described sensor support base 31 adopts insulant to be made, setting position at the top correspondence bow 33 of sensor support base 31 arranges position sensor 32, for accurately detecting the lifting position of current collector bow, it is judged that whether bow ascending, descending puts in place.Also can being provided with triggered gap between position sensor 32 and bow 33, the signal of position sensor 32 is connected with control circuit.
Described position sensor 32 includes passive proximity switch, vortex type proximity switch, capacitive approach switch, proximity Hall switch, photo-electric proximity switch.
Claims (10)
1. the frame type lifting arm for pantograph, it is characterized in that: pantograph includes base assembly (5), support arm, lifting arm, lifting power plant (4), spring assembly (8) and bow assembly (10), the bottom of base assembly (5) is provided with insulator B(3), the support arm activity forming linkage that matches with lifting arm is cranked arm frame structure；
Support arm includes the lower support bar (6) and upper support bar (13) the composition activity crank arm mechanism that are hinged, the lower end of lower support bar (6) is hingedly mounted on base assembly (5) top, the lower end of the upper end of lower support bar (6) and upper support bar (13) is hinged, and the upper end of upper support bar (13) and bow assembly (10) are hinged；
Lifting arm includes push rod (7) and the gimbal lever (9), push rod (7) becomes angle to be hinged composition activity crank arm mechanism with the gimbal lever (9), the lower hinge of push rod (7) is arranged on base assembly (5) top, and the upper end of push rod (7) is hinged with upper support bar (13) and the gimbal lever (9) respectively mutually by push rod rotating shaft；
The lower end jointed shaft of lower support bar (6) and push rod (7) is not on coaxial line, drive when lower support bar (6) rotates on upper support bar (13) and lift, upper support bar (13) is promoted to rotate owing to push rod (7) rotates, make upper support bar (13) that lower support bar can be followed rotate and promote the gimbal lever (9) to rotate, the upper end of the gimbal lever (9) and bow assembly (10) are hinged, the upper end thereof axle of upper support bar (13) and the gimbal lever (9) is not on coaxial line, to ensure that bow rises smoothly；
Lifting power plant (4) is connected with the bottom of lower support bar (6), makes lower support bar (6) rotate around rotor shaft direction by push-pull effort, and drives upper support bar (13) and the gimbal lever (9) to rotate, thus realizing lifting bow；
One end of spring assembly (8) is arranged on the side that base assembly (5) is relative with hinged lower support bar (6), and the spring tip (14) that spring assembly (8) other end is arranged adopts bearing pin (15) to be connected with lower support bar (6) bottom.
null2. according to claim 1 for the frame type lifting arm of pantograph，It is characterized in that: described support arm adopts pull-off pole structure，Namely 2 lower support bars (6) and 2 upper support bars (13) are included，The lower end of every lower support bar (6) is respectively articulated with and is arranged on base assembly (5) upper lateral part，The upper end of lower support bar (6) is hinged with strut crossbeam (21) respectively，The lower end of upper support bar (13) and strut crossbeam (21) Joint，The upper end of every upper support bar (13) is hinged with the side of bow assembly (10) respectively，The lower hinge of push rod (7) is arranged on base assembly (5)，The side, upper end of push rod (7) is hinged on strut crossbeam (21)，The lower end of the gimbal lever (9) and strut crossbeam (21) are hinged，The upper end of the gimbal lever (9) and bow assembly (10) are hinged，By adopting pull-off pole structure，To ensure that bow can smooth contact with contact net.
3. according to claim 1 for the frame type lifting arm of pantograph, it is characterized in that: described support arm adopts the support bar of 2 " u "-shaped structures to be hinged, the support bar of 2 " u "-shaped structures is hinged composition activity crank arm mechanism；Namely 2 lower support bar (6) bottoms are fixedly connected with perpendicular rotating shaft beam and constitute the lower support bar of a " u "-shaped structure, the two ends of rotating shaft beam are respectively hinged on base assembly (5), and arrange the hinged-support being connected with lifting power plant (4) clutch end on rotating shaft beam；The bottom of 2 upper support bars (13) upper support bar that connect and compose a " u "-shaped structure fixing with strut crossbeam (21), and on strut crossbeam (21), it being provided with hinged-support, the upper end of push rod (7) is hinged on the hinged-support of strut crossbeam (21) together with the lower end of the gimbal lever (9)；The upper end of every lower support bar (6) is hinged with strut crossbeam (21) respectively, and the upper end of every upper support bar (13) is hinged with bow assembly (10) respectively.
4. according to claim 1 for the frame type lifting arm of pantograph, it is characterized in that: the upper end of push rod (7) arranges push rod rotating shaft, push rod rotating shaft waist adopts and includes square shaft or bearing pin and be relatively fixed with push rod (7) and be connected, and push rod rotating shaft is stretched out the two ends of push rod (7) junction and is circular shaft structure and is hinged with the gimbal lever (9) and upper support bar (13) respectively.
5. according to claim 1 for the frame type lifting arm of pantograph, it is characterized in that: be provided with cascade oiling bearing with the hinged place of base assembly, upper support bar (13) with push rod (7) hinged place in the lower end of push rod (7) and lower support bar (6).
6. according to claim 1 for the frame type lifting arm of pantograph, it is characterized in that: described lifting power plant (4) adopts and includes electronic, pneumatic element, hydraulic pressure or electromagnet mechanism, lifting power plant (4) action realizes rectilinear motion, to complete lifting bow action.
7. according to claim 1 for the frame type lifting arm of pantograph, it is characterized in that: between described lifting power plant (4) and lower support bar (6), insulator A(2 is set), it is ensured that being dielectrically separated between lifting power plant (4) and support arm, lifting arm.
8. according to claim 1 for the frame type lifting arm of pantograph, it is characterized in that: between the slide plate (11) that bow assembly (10) top outer is arranged, be provided with lubricious strip (12), convenient lubrication is by electricity rail or contact wire, thus improving slide plate (11) and the service life by electricity rail and contact wire.
9. according to claim 1 for the frame type lifting arm of pantograph, it is characterized in that: sensor support base (31) is installed on base assembly (5), described sensor support base (31) adopts insulant to be made, setting position on top correspondence bow (33) of sensor support base (31) arranges position sensor (32), for accurately detecting the lifting position of current collector bow, it is judged that whether bow ascending, descending puts in place.
10., according to claim 9 for the frame type lifting arm of pantograph, it is characterized in that: being provided with triggered gap between position sensor (32) and bow (33), the signal of position sensor (32) is connected with control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520861446.3U CN205381148U (en) | 2015-11-02 | 2015-11-02 | A frame -type lifing arm for pantograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520861446.3U CN205381148U (en) | 2015-11-02 | 2015-11-02 | A frame -type lifing arm for pantograph |
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| Publication Number | Publication Date |
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| CN205381148U true CN205381148U (en) | 2016-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520861446.3U Active CN205381148U (en) | 2015-11-02 | 2015-11-02 | A frame -type lifing arm for pantograph |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105291851A (en) * | 2015-11-02 | 2016-02-03 | 湖南中通电气股份有限公司 | Frame type lifting arm for pantograph |
| CN107933318A (en) * | 2017-12-19 | 2018-04-20 | 东北大学秦皇岛分校 | A kind of pantograph and the electric automobile using the pantograph |
-
2015
- 2015-11-02 CN CN201520861446.3U patent/CN205381148U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105291851A (en) * | 2015-11-02 | 2016-02-03 | 湖南中通电气股份有限公司 | Frame type lifting arm for pantograph |
| CN107933318A (en) * | 2017-12-19 | 2018-04-20 | 东北大学秦皇岛分校 | A kind of pantograph and the electric automobile using the pantograph |
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