CN208118958U - A kind of novel umbrella vertical lift pantograph bow body - Google Patents
A kind of novel umbrella vertical lift pantograph bow body Download PDFInfo
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- CN208118958U CN208118958U CN201820283080.XU CN201820283080U CN208118958U CN 208118958 U CN208118958 U CN 208118958U CN 201820283080 U CN201820283080 U CN 201820283080U CN 208118958 U CN208118958 U CN 208118958U
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- arm
- lower arm
- balladeur train
- bottom end
- articulated
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Abstract
The utility model belongs to mechanical device and rail traffic technical field of electric power transmission, bend body, including pedestal, lower arm, upper arm, intermediate balladeur train, support arm, cylinder more particularly to a kind of novel umbrella vertical lift pantograph, the pantograph bends body and uses umbrella-shaped structure, can guarantee that pantograph collector head is vertically moved up or down；Lower arm driving traction position drives the structure of fan-shaped supporting plate using driving chain, guarantee bow in any working depth, bow and contact net normal pressure remain unchanged.
Description
Technical field
The invention belongs to mechanical devices and rail traffic technical field of electric power transmission, and in particular to a kind of novel umbrella vertical lift
Pantograph bends body.
Background technique
Pantograph is the electrical equipment that electrically-driven car obtains electric energy from contact net, is mounted on locomotive or motor-car roof
On.Pantograph can be divided to single armed bow and both arms to bend two kinds, structure by slide plate, upper frame, lower arm rod (both arms bow use lower frame),
The components such as chassis, rising bow spring, drive cylinder, support insulator composition.Diamond shape pantograph, also referred to as diamond pantograph, it is non-in the past
It is often universal, after be gradually eliminated since maintenance cost is higher and is easy to break contact net in failure.
Single armed is mostly used to bend in recent years, single armed bow bow body mostly uses four-bar linkage structure.A disadvantage existing for four-bar linkage structure
End is that pantograph is during rising bow it cannot be guaranteed that vertical lift, tilts so as to cause pantograph collector head；Pantograph collector head inclination
Contact of the carbon slipper with contact net is directly affected, the non-uniform phenomenon of contact force is caused just easily to cause once contact force is insufficient
The phenomenon that pantograph off-grid, forms arcing or insufficient load current, and train, which has a power failure, when serious stops transport；In addition unbalance loading also causes slide plate to grind
Damage is uneven, seriously affects the service life of carbon slipper.
Summary of the invention
The present invention provides a kind of novel umbrella vertical lift pantographs to bend body, which bends body and use umbrella-shaped structure,
It can guarantee that pantograph collector head is vertically moved up or down；The knot that lower arm driving traction position drives fan-shaped supporting plate to combine using driving chain
Structure guarantees bow in any working depth, and the contact net pressure that bow is subject to is identical.
The present invention is to be achieved by the following technical programs：
A kind of novel umbrella vertical lift pantograph bow body, including pedestal, the parallel intermediate balladeur train above pedestal, point
The lower arm and support arm that are not articulated between intermediate balladeur train both ends and pedestal and the upper arm for being articulated with intermediate balladeur train, wherein
The lower arm and support arm are arranged in parallel, top arm's tip and lower arm bottom end be articulated with intermediate balladeur train the same end and
Upper arm, lower arm are relative to the mutual axial symmetry of intermediate balladeur train；Horizontally-guided axis, horizontally-guided axis are fixed in the middle part of the intermediate balladeur train
Ring set has linear bearing, and linear bearing middle part is symmetrically arranged with oblique pull arm with upper and lower two sides, and the oblique pull arm both ends of upside are respectively articulated with
In linear bearing and upper arm；The oblique pull arm both ends of downside are hingedly connected to linear bearing and upper arm；
The lower arm bottom end is equipped with driving mechanism, and driving mechanism drives lower arm to revolve along the articulated connection of its bottom end and pedestal
Turn.
The lower arm bottom end is vertically connected with the first pin shaft, and the first pin shaft both ends are articulated and connected with bottom end respectively.
The lower arm bottom end is fixedly connected with fan-shaped supporting plate, and fan-shaped supporting plate one end is fixedly connected with connecting plate, the pedestal
Side is fixed with cylinder, and the movable end of the cylinder is connect by driving chain with connecting plate, driving chain and fan-shaped supporting plate
Circular arc periphery reclines.
The upper arm, lower arm and intermediate balladeur train are articulated and connected by the second pin shaft.
The beneficial effects of the invention are as follows：
Pantograph bends body using the umbrella-shaped structure of parallelogram collocation class diamond shape, and clever structure, effect is prominent, is excluding
The factor of tolerance fit can theoretically guarantee the absolute vertical lift of pantograph；Using cylinder collocation transmission chain in terms of power
Item, since various factors such as rising bow angle and gravity influence in pantograph uphill process, stress is changing always, in order to
Guarantee in pantograph working region, the normal pressure of bow and contact net is permanent always constant, it is necessary to which a corresponding change is provided
Driving force is fitted to driving chain and fan-shaped support board structure after data analysis obtains to become activation force profile, only needs cylinder
Constant force is provided, and then provides pressure to fan-shaped supporting plate by driving chain, i.e., exportable change driving force is to meet bow
It is required that.
Detailed description of the invention
Fig. 1 is schematic view of the front view of the invention.
Fig. 2 is umbrella-shaped structure schematic diagram.
Fig. 3, Fig. 4 are vertical lift schematic illustration.
Fig. 5 is driving chain and fan-shaped drop panel connecting structure schematic diagram.
In figure：1. pedestal, 2. lower arms, 3. upper arm, 4. intermediate balladeur trains, 5. support arms, 6. cylinders, 7. first pin shafts, 8. connect
Fishplate bar, 9. second pin shafts, 10. ear mounts, 11. linear bearings, 12. horizontally-guided axis, 13. oblique pull arms, 14. third pin shafts, 15.
Fan-shaped supporting plate, 16. driving chains.
Specific embodiment
In order to make those skilled in the art more fully understand technical solution of the present invention, with reference to the accompanying drawing and most
The present invention is described in further detail for good embodiment.
As shown, the present invention includes pedestal 1, the parallel intermediate balladeur train 4 above pedestal is hingedly connected to intermediate cunning
Lower arm 2 between frame both ends and pedestal and support arm 5 and the upper arm 3 for being articulated with intermediate balladeur train, wherein support arm both ends lead to respectively
It crosses ear mount 10 and intermediate balladeur train and pedestal is articulated and connected.
The lower arm and support arm are arranged in parallel, top arm's tip and lower arm bottom end be articulated with intermediate balladeur train the same end and
Upper arm, lower arm are relative to the mutual axial symmetry of intermediate balladeur train；Horizontally-guided axis 12, horizontally-guided are fixed in the middle part of the intermediate balladeur train
Collar is cased with linear bearing, and linear bearing middle part is symmetrically arranged with oblique pull arm 13, the oblique pull arm both ends difference of upside with upper and lower two sides
It is articulated with linear bearing and upper arm；The oblique pull arm both ends of downside are hingedly connected to linear bearing 11 and upper arm；Oblique pull arm and upper arm,
It is hinged by perforative third pin shaft 14 respectively between lower arm.
The lower arm bottom end is equipped with driving mechanism, and driving mechanism drives lower arm to revolve along the articulated connection of its bottom end and pedestal
Turn.
Preferably, the lower arm bottom end is vertically connected with the first pin shaft 7, and the first pin shaft both ends are corresponding with bottom end respectively to be provided with
Mounting hole articulated connection.
Preferably, the lower arm bottom end is fixedly connected with fan-shaped supporting plate 15, and fan-shaped supporting plate one end is fixedly connected with connecting plate
8, the pedestal side is fixed with cylinder 6, and the movable end of the cylinder is connect by driving chain 16 with connecting plate, driving chain
It reclines with the circular arc periphery of fan-shaped supporting plate.
Preferably, the upper arm, lower arm and intermediate balladeur train are articulated and connected by the second pin shaft 9.
The specific working principle is as follows：
Such as Fig. 3, integrally-built each movement node is：Articulated connection point A, the free end B of upper arm of lower arm and pedestal, in
Between balladeur train and support arm articulated connection point C, the articulated connection point D of support arm and pedestal, the oblique pull arm of upper and lower sides is jointly and directly
The articulated connection point E that spool is held, the oblique pull arm of upside and the articulated connection point F of upper arm, the oblique pull arm of downside and lower arm it is hinged
Tie point G, the articulated connection point O of upper arm, lower arm and intermediate balladeur train.
OA spacing is equal with CD spacing；OC spacing is equal with AD spacing, and a parallelogram sturcutre OADC is collectively formed,
AD//OC, i.e. AD holding level ensure that OC always in holding level.
The lower arm, upper arm, intermediate balladeur train are commonly connected to O point by pin shaft, the linear bearing group inside intermediate balladeur train
Part can be free to slide along horizontally-guided axis, and lower arm, upper arm are connect by oblique pull arm with linear bearing.OF=OG, EF=EG, this
Sample lower arm, upper arm and intermediate balladeur train three form a type diamond structure, in conjunction with lower arm upper arm, that is, so-called umbrella-shaped structure.
Cylinder one end is fixedly connected with pedestal by mounting hole.The other end is connect with connecting plate, and cylinders providing power pulls
Driving chain, driving chain, which drives, provides pressure to fan-shaped supporting plate, and then lower arm is pulled to rotate around rotation axis, bends on body
It rises.
Bend body and is vertically moved up or down principle:During rising bow, cylinder provides pulling force and OA is driven to rotate clockwise along A point, due to OC
It remains horizontal, pulling force is generated inside EG, pull E to move along OC and close to the direction of O point, and then generate pressure inside EF,
OB is pushed to rotate counterclockwise along O point, and due to OA=OB, B point moves up on AB straight line always；Vice versa.Such as
With the opening and closing process of umbrella, the umbrella on symmetry direction point-blank, is vertically moved up or down along always so bow body is named as umbrella
Pantograph bends body.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (4)
1. a kind of novel umbrella vertical lift pantograph bends body, which is characterized in that including pedestal, be set to above pedestal in parallel
Between balladeur train, the lower arm and support arm that are hingedly connected between intermediate balladeur train both ends and pedestal and the upper arm for being articulated with intermediate balladeur train,
Wherein,
The lower arm and support arm are arranged in parallel, top arm's tip and lower arm bottom end be articulated with intermediate balladeur train the same end and on
Arm, lower arm are relative to the mutual axial symmetry of intermediate balladeur train；Horizontally-guided axis, horizontally-guided collar are fixed in the middle part of the intermediate balladeur train
It is cased with linear bearing, linear bearing middle part is symmetrically arranged with oblique pull arm with upper and lower two sides, and the oblique pull arm both ends of upside are hingedly connected to
Linear bearing and upper arm；The oblique pull arm both ends of downside are hingedly connected to linear bearing and upper arm；
The lower arm bottom end is equipped with driving mechanism, and driving mechanism drives lower arm to rotate along the articulated connection of its bottom end and pedestal.
2. a kind of novel umbrella vertical lift pantograph according to claim 1 bends body, which is characterized in that the lower arm bottom
End is vertically connected with the first pin shaft, and the first pin shaft both ends are articulated and connected with bottom end respectively.
3. a kind of novel umbrella vertical lift pantograph according to claim 2 bends body, which is characterized in that lower arm bottom end is solid
Surely it is connected with fan-shaped supporting plate, fan-shaped supporting plate one end is fixedly connected with connecting plate, and the pedestal side is fixed with cylinder, the cylinder
Movable end connect with connecting plate by driving chain, the circular arc periphery of driving chain and sector supporting plate reclines.
4. a kind of novel umbrella vertical lift pantograph according to any one of claim 1-3 bends body, which is characterized in that
The upper arm, lower arm and intermediate balladeur train are articulated and connected by the second pin shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820283080.XU CN208118958U (en) | 2018-02-28 | 2018-02-28 | A kind of novel umbrella vertical lift pantograph bow body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820283080.XU CN208118958U (en) | 2018-02-28 | 2018-02-28 | A kind of novel umbrella vertical lift pantograph bow body |
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| CN208118958U true CN208118958U (en) | 2018-11-20 |
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| CN201820283080.XU Active CN208118958U (en) | 2018-02-28 | 2018-02-28 | A kind of novel umbrella vertical lift pantograph bow body |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108394283A (en) * | 2018-02-28 | 2018-08-14 | 天津益昌电气设备股份有限公司 | A kind of novel umbrella vertical lift pantograph bow body |
| CN109823183A (en) * | 2019-04-10 | 2019-05-31 | 大连罗宾森电源设备有限公司 | Electric single arm contact pantograph |
| CN111791901A (en) * | 2020-06-02 | 2020-10-20 | 中钢集团山东富全矿业有限公司 | Underground delivery wagon and intelligent transportation system |
-
2018
- 2018-02-28 CN CN201820283080.XU patent/CN208118958U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108394283A (en) * | 2018-02-28 | 2018-08-14 | 天津益昌电气设备股份有限公司 | A kind of novel umbrella vertical lift pantograph bow body |
| CN108394283B (en) * | 2018-02-28 | 2024-02-23 | 天津益昌电气设备股份有限公司 | Novel umbrella-shaped vertically-lifting pantograph body |
| CN109823183A (en) * | 2019-04-10 | 2019-05-31 | 大连罗宾森电源设备有限公司 | Electric single arm contact pantograph |
| CN111791901A (en) * | 2020-06-02 | 2020-10-20 | 中钢集团山东富全矿业有限公司 | Underground delivery wagon and intelligent transportation system |
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