CN206220159U - A kind of electric excavator forward type current-collecting device - Google Patents
A kind of electric excavator forward type current-collecting device Download PDFInfo
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- CN206220159U CN206220159U CN201621231342.5U CN201621231342U CN206220159U CN 206220159 U CN206220159 U CN 206220159U CN 201621231342 U CN201621231342 U CN 201621231342U CN 206220159 U CN206220159 U CN 206220159U
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- arm
- electric excavator
- power arm
- collecting device
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Abstract
The utility model discloses a kind of electric excavator forward type current-collecting device.Including the L-shaped power arm being arranged on electric excavator, wherein the cross-brace arm front end of power arm is located on electric excavator upper body centre of gyration line, cross-brace arm front end is provided with elastic connection hawser and clamping and fixing device, clamping and fixing device is connected with power supply end cable tensioning, and power arm also front end is additionally provided with input socket；Pulling force sensor is also equipped with elastic connection hawser；Power arm is rotatably fixed on electric excavator upper body and can be foldable structure.The utility model efficiently solves the problems, such as the security association of cable connection part, simultaneously be arranged at the connecting portion of feeder ear and power arm on excavator centre of gyration line by L-shaped power arm, the structure makes the mechanical pulling reduced as far as possible in operation process to handling cable, turn-knob and abrasion, the operation that improve machinery itself is motor-driven, and the folding structure of power arm further increases the security and efficiency of transportation.
Description
Technical field
The utility model belongs to conveying electro-technical field, especially belongs to power supply unit end and electrical equipment end connecting device skill
Art field, more particularly to a kind of forward type current-collecting device of construction machinery industry electric excavator.
Background technology
Engineering machinery electronicization had been increasingly becoming a kind of development trend in recent years, but existing engineering machinery is all mostly
Power is wanted based on internal combustion engine, their high energy consumptions discharge many, and damage ratio is more serious；By taking excavator as an example, most of they use
Hydraulic drive with internal combustion engine as power, but internal combustion engine can not give full play to internal combustion engine and hydraulic system with the power match of hydraulic pressure
Ability.Electric power is a kind of energy of relatively cleaning, and being applied to engineering machinery can realize the matching of total power, and energy saving,
Pollution is reduced, efficiency is of a relatively high.
Electronic engineering machinery is needed continuously for motor provides electric power resource, and the most working environment of engineering machinery
Badly, the harm such as vibration can be produced in its course of work, for cable, engineering machinery is constantly moved, particularly electronic
Excavator is got on the bus frequently rotate relative to being got off in the course of the work, or movement can all cause the uneasinesses such as cable flexing, stretching, abrasion
Total factor, or even grind into excavation motor spindle, so ensure that the formedness of cable plug connection is most important, as being excavator
Give, powered cable connecting arrangement power arm be current more application device, its structure needs to meet multipurpose, adapts to complicated
Working environment, it is safer the need for.
The content of the invention
The utility model discloses a kind of electric excavator forward type current-collecting device according to the deficiencies in the prior art.This practicality
The new problem to be solved be to provide it is a kind of for aid in be connected and fixed cable electricity consumption end and feeder ear, prevent cable plug take off
Fall, reduce cable abrasion, pull, improve cable life, facilitate the electric excavator that electricity consumption end couples with feeder ear by Denso
Put.
The utility model is achieved through the following technical solutions：
Electric excavator forward type current-collecting device, including it is arranged at the power arm on electric excavator, it is characterised in that：
It is anterior that the power arm is arranged on electric excavator upper body, is L-shaped structure, including vertical support arm and laterally props up
Brace, cross-brace arm front end is located on electric excavator upper body centre of gyration line；
The cross-brace arm front end is provided with elastic connection hawser, and there is clamping and fixing device elastic connection hawser outer end,
Clamping and fixing device is connected with power supply end cable tensioning；
The cross-brace arm front end is provided with the input socket for connecting feeder ear cable plug.
Pulling force sensor is installed, the signal wire socket of pulling force sensor holding wire plug sets on the elastic connection hawser
It is placed in cross-brace arm front end.
Each cable and holding wire of the entrance power arm are arranged along power arm or arranged through power arm inside.
The above-mentioned vertical support arm of power arm is rotatably fixed on electric excavator upper body by antidumping bearing.
The vertical support arm bottom has for positioning the steady pin that the vertical support arm of limitation is rotated.
The power arm is folding structure, and foldable structure is cut with scissors by the support top and support bottom for constituting vertical support arm
Connect composition.
The support top positions after folding to be fixed in supporting table groove.
Above-mentioned elastic connection hawser is elongated during to limiting length, and the cable between input socket and clamping and fixing device is still located
In relaxed state, cable socket can be avoided from receiving pulling force effect.
The utility model helpfulness：The utility model fixes power supply end cable and passes through elasticity even using clamping and fixing device
Connect hawser to be connected and fixed with the tensioning of electricity consumption end equipment, the device efficiently solves the problems, such as the security association of cable connection part；This
Utility model is arranged on excavator centre of gyration line using L-shaped power arm and by the connecting portion of feeder ear and power arm, the knot
Structure makes the mechanical pulling reduced as far as possible in operation process to handling cable, turn-knob and abrasion, improves the mechanical work of itself
Industry is motor-driven；The utility model pulling force sensor can at any time monitor cable connection situation, improve security performance；The utility model is by electricity
Arm can also use folding structure, in excavator marquis's transportation, power arm is folded and is fixed, and fortune is not only made after folding
Defeated process is safer, also reduce further the vertical space of machinery, reduces the space requirement of machinery, improves Transportation Efficiency
Rate.
Brief description of the drawings
Fig. 1 is the utility model current-collecting device and excavator structure position view；
Fig. 2 is the utility model current-collecting device structure enlarged diagram；
Fig. 3 is another structure enlarged diagram of the utility model current-collecting device；
Fig. 4 is another current-collecting device of the utility model and excavator structure position view.
In figure, 1 is power supply end cable, and 2 is clamping and fixing device, and 3 is pulling force sensor, and 4 is elastic connection hawser, and 5 are
Signal wire socket, 6 is input socket, and 7 is power arm, and 71 is support top, and 72 is support bottom, and 73 is hinge pin, and 74 is fixed
Pin, 75 is supporting table, and 8 is cross-brace arm, and 9 is vertical support arm, and 10 is pulling force sensor holding wire, and 11 is antidumping axle
Hold, 12 is steady pin, and 13 is handrail, and S is current-collecting device, and S1 is current-collecting device folded state, and Z is centre of gyration line.
Specific embodiment
The utility model is further illustrated with reference to specific embodiment, specific embodiment is to the utility model
Further illustrating for principle, limits the utility model never in any form, does not have with the same or like technology of the utility model
Beyond the scope of the utility model protection.
With reference to Fig. 1 to Fig. 4.
Electric excavator forward type current-collecting device, including the power arm 7 on electric excavator is arranged at, power arm 7 is set
It is anterior in upper body, it is L-shaped structure, including vertical support arm 9 and cross-brace arm 8, the front end of cross-brace arm 8 is located at upper body
On centre of gyration line Z；
The front end of cross-brace arm 8 is provided with elastic connection hawser 4, and there is clamping and fixing device 2 outer end of elastic connection hawser 4,
Clamping and fixing device 2 is connected with the power supply tensioning of end cable 1；
The front end of cross-brace arm 8 is provided with the input socket 6 for connecting the power supply plug of end cable 1.
The utility model is arranged in excavator revolution using L-shaped power arm 7 and by the connecting portion of feeder ear and power arm 7
On heart line Z, the front end cable socket of cross-brace arm 7 when upper-part rotation gets off static because be in the position of the centre of gyration substantially
Put, it is to avoid pulling, turn-knob and abrasion to handling cable 1, improve the life-span of cable, further, since the profile of power arm 7
Do not stretch out outside excavator, turning radius is not increased additionally, do not interfere with electric excavator operation mobility in itself.
Pulling force sensor 3, the signal wire socket 5 of the plug of pulling force sensor holding wire 10 are installed on elastic connection hawser 4
It is arranged at the front end of cross-brace arm 8.
Each cable and holding wire into power arm 7 are arranged along power arm 7.
The vertical support arm 9 of power arm 7 is rotatably fixed on electric excavator upper body by antidumping bearing 11.
The vertical bottom of support arm 9 has for positioning the steady pin 12 that the vertical support arm 9 of limitation is rotated.
The utility model another kind structure is the folding structure of power arm 7, and foldable structure is by constituting the branch of vertical support arm 9
Support top 71 and support bottom 72 are hinged composition.As shown in Figure 3,4, foldable power arm 7 from unlike fixed power arm 7,
Power arm 7 is folded to be made up of the support bottom 72 positioned at bottom and superposed support top 71.Support top 71 and support
Bottom 72 is by being connected by hinge pin 73 and has steady pin 74 to lock, and handrail 13 is improved during folding by power arm 7 around antidumping axle
Holding 11 rotation deflectings makes the front end of cross-brace arm 8 be located at machinery front portion, and then support top 71 is folded and by propping up around hinge pin 73
Support platform 75 is held and is positioned, and can conveniently be run after folding, and the height of power arm exceedes haulage vehicle most when preventing transport
Big maximum height limit.When needing to use, erected, pinned with steady pin 74.
Claims (7)
1. a kind of electric excavator forward type current-collecting device, including it is arranged at the power arm on electric excavator, it is characterised in that：
It is anterior that the power arm is arranged on electric excavator upper body, is L-shaped structure, including vertical support arm and cross-brace
Arm, cross-brace arm front end is located on electric excavator upper body centre of gyration line；
The cross-brace arm front end is provided with elastic connection hawser, and there is clamping and fixing device elastic connection hawser outer end, clamps
Fixing device is connected with power supply end cable tensioning；
The cross-brace arm front end is provided with the input socket for connecting feeder ear cable plug.
2. electric excavator forward type current-collecting device according to claim 1, it is characterised in that：The elastic connection hawser
On pulling force sensor is installed, the signal wire socket of pulling force sensor holding wire plug is arranged at cross-brace arm front end.
3. electric excavator forward type current-collecting device according to claim 2, it is characterised in that：Each electricity of the power arm
Cable and holding wire are arranged along power arm or arranged through power arm inside.
4. the electric excavator forward type current-collecting device according to claim 1 or 2 or 3, it is characterised in that：The power arm
Vertical support arm is rotatably fixed on electric excavator upper body by antidumping bearing.
5. electric excavator forward type current-collecting device according to claim 4, it is characterised in that：The vertical support arm bottom
Portion has for positioning the steady pin that the vertical support arm of limitation is rotated.
6. electric excavator forward type current-collecting device according to claim 5, it is characterised in that：The power arm is to roll over
Stack structure, foldable structure is made up of the support top and support lower hinge for constituting vertical support arm.
7. electric excavator forward type current-collecting device according to claim 6, it is characterised in that：The support top folds
Positioning is fixed in supporting table groove afterwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621231342.5U CN206220159U (en) | 2016-11-16 | 2016-11-16 | A kind of electric excavator forward type current-collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621231342.5U CN206220159U (en) | 2016-11-16 | 2016-11-16 | A kind of electric excavator forward type current-collecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206220159U true CN206220159U (en) | 2017-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621231342.5U Active CN206220159U (en) | 2016-11-16 | 2016-11-16 | A kind of electric excavator forward type current-collecting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN206220159U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106480925A (en) * | 2016-11-16 | 2017-03-08 | 杭州蓝力电动科技有限公司 | A kind of electric excavator forward type current-collecting device |
-
2016
- 2016-11-16 CN CN201621231342.5U patent/CN206220159U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106480925A (en) * | 2016-11-16 | 2017-03-08 | 杭州蓝力电动科技有限公司 | A kind of electric excavator forward type current-collecting device |
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