CN105958420B - The cable automatic drawing system of pure electric hydraulic excavating machine - Google Patents

The cable automatic drawing system of pure electric hydraulic excavating machine Download PDF

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Publication number
CN105958420B
CN105958420B CN201610310097.5A CN201610310097A CN105958420B CN 105958420 B CN105958420 B CN 105958420B CN 201610310097 A CN201610310097 A CN 201610310097A CN 105958420 B CN105958420 B CN 105958420B
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China
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cable
lateral frame
fixed
hydraulic
excavator
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CN105958420A (en
Inventor
冀宏
陈乾鹏
张建
李�浩
黄璐璐
龙小平
樊新建
王之君
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Lanzhou University of Technology
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Lanzhou University of Technology
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G11/00Arrangements of electric cables or lines between relatively-movable parts
    • H02G11/02Arrangements of electric cables or lines between relatively-movable parts using take-up reel or drum
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G11/00Arrangements of electric cables or lines between relatively-movable parts
    • H02G11/003Arrangements of electric cables or lines between relatively-movable parts using gravity-loaded or spring-loaded loop

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  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
  • Earth Drilling (AREA)

Abstract

The cable automatic drawing system of pure electric hydraulic excavating machine, mainly it is made up of electric power output system and power input system, electric power output system is made up of battery trailer, two-way plug, cable reel installation, adjustable screw branch line apparatus, tensile type cable etc., and power input system is made up of cantilever extending apparatus, hydraulic support device, fixed lateral frame etc..Battery is installed on battery trailer, cable reel installation is installed on above battery and winds tensile type cable, adjustable screw branch line apparatus and fixed lateral frame are hanging by tensile type cable, it is fixed on above the cantilever extending apparatus end of excavator walker and fixed lateral frame is installed, hydraulic support device is installed in lower section.

Description

The cable automatic drawing system of pure electric hydraulic excavating machine
Technical field
The present invention relates to pure electric excavator technical field, more particularly to the cable of separate type battery power excavator are automatic Extension and retraction system.
Background technology
Deep development and the continuous input of Larger Engineering Projects with mankind's modernization construction, as being most widely used One of engineering machinery, the type and quantity of excavator are continuously increased.The energy that massive diesel-fuel power digger is consumed and The pollutant of discharge causes burden difficult to the appraisal to environment.Accordingly, it is capable to measure opening for the battery power excavator of wide material sources New trend of the hair as construction machinery industry.In the development process of battery power excavator, in order to not influence excavator to work Mobility, the power supply mode generally separated using battery and excavator, this power supply mode exist when cable mops floor it is easy to wear, Excavator easily breaks the key problems such as cable, twisted and released of the cable inconvenience when walking.
Cable is neither influenceed the normal work of excavator when transmitting electric energy to excavator, cable can be improved again Reliability is the problem of present invention needs solution.
The content of the invention
It is an object of the invention to provide a kind of cable automatic drawing system of pure electric hydraulic excavating machine.
The present invention is the cable automatic drawing system of pure electric hydraulic excavating machine, is by electric power output system and electric power input System is constituted, and electric power output system is by battery trailer 1, two-way plug 2, cable reel installation 3, adjustable screw branch line apparatus 4, tension Type cable 5 is constituted, and power input system is made up of cantilever extending apparatus 6, hydraulic support device 7, fixed lateral frame 8, cable 9, Battery is installed on battery trailer 1, and cable reel installation 3 is mounted on above battery with adjustable screw branch line apparatus 4, and cantilever is stretched Go out device 6 to be fixed on excavator walker, hydraulic support device 7 is arranged on the end of cantilever extending apparatus 6, fixed lateral frame 8 Installed in the top of hydraulic support device 7.
Cable drum 3b and cable protection bracket 3e in described cable reel installation 3 is coaxially mounted on support base 3a In fixing axle and constitute revolute pair, bus ring 3c is by the circuit communication between support base 3a and cable drum 3b, scroll spring 3d inner rings connect support base 3a fixing axles, outer ring connection cable reel 3b inwalls.
Adjustable lateral frame 4a lower ends hinged support base 3a in described adjustable screw branch line apparatus 4, middle part is hinged hand Two grades of cable leading block groups 4d, adjustable lateral frame 4a lower ends hinged support base 3a are installed reeling thick stick 4b, upper end.
Excavator walker rear end is fixed in pole bracket 6a one end in described cantilever extending apparatus 6, and the other end is stretched Go out tail of the body on excavator, stiffener plate 6b is fixed in the middle part of pole bracket 6a, pole bracket 6a ascender lines cable 9 and hydraulic tube 7e winding displacement mode is distributed solidus ring 6c.
Lateral frame 8a in described fixation lateral frame 8 is fixed on the upside of connecting cover plate 7a, is constituted with cantilever extending apparatus 6 The minimum range of L-type cantilever design, lateral frame 8a and the central centre of gyration of excavator is more than body rear end and center on excavator Centre of gyration ultimate range.
The present invention is compared with background technology, is had an advantageous effect in that:The electric current that bus ring 3c solves revolute pair is passed Problem is led, reaches that tensile type cable 5 follows the purpose of the motion folding and unfolding of excavator using the scroll spring 3d pulling force provided, simultaneously There is provided tension force to tighten tensile type cable 5 vacantly to avoid cable from mopping floor, hand leading screw 4b can change adjustable lateral frame 4a branch Line height, fixed lateral frame 8 supports tensile type cable 5 to ensure its flying height, two grades jointly with adjustable screw branch line apparatus 4 Cable leading block group 4d reduces what it was produced during folding and unfolding while the stretching direction of tensile type cable 5 is guided Frictional resistance, hydraulic support device 7 can keep appropriate support force when excavator is walked or is worked, and reduce cantilever stretching Device 6 and excavator walker rigid connection node place by lever force, cantilever extending apparatus 6 is from excavator walker rear end Stretch out, with the fixed l-shaped branch cable architecture of lateral frame 8, the horizontal rotation scope of excavator upper body is reached 360 °, it is to avoid dig The interference caused during pick machine fixed point work by cable, can be in separate type battery power excavator row the invention provides one kind Walk, freedom retractable cable in the course of work, it is to avoid mobility that cable mops floor is good, reliability is high, workable automation Twisted and released of the cable system.
Brief description of the drawings
Fig. 1 is the scheme of installation of pure electric hydraulic excavating machine-cable automatic drawing system, and Fig. 2 is cable reel installation Installation front view, Fig. 3 is Fig. 2 sectional view, and Fig. 4 is the scheme of installation of one-level cable leading block group, and Fig. 5 is two grades of electricity The scheme of installation of cable leading block group, Fig. 6 is the front view of adjustable screw branch line apparatus, and Fig. 7 is Fig. 6 side view, and Fig. 8 is The scheme of installation of hydraulic support device, Fig. 9 is Fig. 8 shaft side figure, and Figure 10 is the cable scheme of installation of power input end, figure 11 be the scheme of installation of electric power output system, and Figure 12 is the scheme of installation of power input system, and Figure 13 is the total of the present invention Body scheme of installation.Reference and correspondence are entitled:Battery trailer 1, two-way plug 2, cable reel installation 3, support base 3a, cable drum 3b, bus ring 3c, scroll spring 3d, cable protection bracket 3e, one-level cable leading block group 3f, spacing report Alarm device 3g, adjustable screw branch line apparatus 4, adjustable lateral frame 4a, hand leading screw 4b, damping spring 4c, two grades of cables, which are oriented to, to be slided Wheel group 4d, tensile type cable 5, cantilever extending apparatus 6, pole bracket 6a, stiffener plate 6b, solidus ring 6c, hydraulic support device 7, connecting cover plate 7a, hydraulic cylinder 7b, linkage 7c, universal wheel 7d, hydraulic tube 7e, fixed lateral frame 8, lateral frame 8a, input Fastening clip for cable plate 8b, output cable strap 8c, output cable joint 8d, input cable joint 8e, anti-fatigue rubber set 8f, cable locking device 8g, cable 9.
Embodiment
As shown in figure 1, the present invention is the cable automatic drawing system of pure electric hydraulic excavating machine, by electric power output system and Power input system is constituted, and electric power output system is by battery trailer 1, two-way plug 2, cable reel installation 3, adjustable screw branch line Device 4, tensile type cable 5 are constituted, power input system by cantilever extending apparatus 6, hydraulic support device 7, fixed lateral frame 8, Cable 9 is constituted, and battery is installed on battery trailer 1, and cable reel installation 3 is mounted on battery with adjustable screw branch line apparatus 4 Top, cantilever extending apparatus 6 is fixed on excavator walker, and hydraulic support device 7 is arranged on the end of cantilever extending apparatus 6, Fixed lateral frame 8 is arranged on the top of hydraulic support device 7.
As shown in Figure 2 and Figure 3, the cable drum 3b and cable protection bracket 3e in described cable reel installation 3 coaxially pacifies Loaded in support base 3a fixing axles and constituting revolute pair, bus ring 3c is by the circuit between support base 3a and cable drum 3b Connection, scroll spring 3d inner rings connection support base 3a fixing axles, outer ring connection cable reel 3b inwalls.
As shown in Fig. 6, Fig. 7, Figure 11, the adjustable lateral frame 4a lower ends in described adjustable screw branch line apparatus 4 are hinged branch Base 3a is supportted, middle part is hinged hand leading screw 4b, and two grades of cable leading block group 4d are installed in upper end, and adjustable lateral frame 4a lower ends are hinged Support base 3a.
As shown in Figure 12 and Figure 13, excavator walking is fixed in pole bracket 6a one end in described cantilever extending apparatus 6 Frame rear end, the other end stretches out tail of the body on excavator, and stiffener plate 6b is fixed in the middle part of pole bracket 6a, on pole bracket 6a Solidus ring 6c is distributed along the winding displacement mode of cable 9 and hydraulic tube 7e;
As shown in Fig. 1, Figure 12, the lateral frame 8a in described fixation lateral frame 8 is fixed on the upside of connecting cover plate 7a, with hanging Arm extending apparatus 6 constitutes L-type cantilever design, and lateral frame 8a and the central centre of gyration of excavator minimum range are more than on excavator Body rear end and central centre of gyration ultimate range.
As shown in Fig. 2, Fig. 3, Fig. 5, be additionally provided with described cable reel installation 3 one-level cable leading block group 3f, Limit alarm device 3g, one-level cable leading block group 3f are installed on the rotation that rotation axis horizontal is constituted above cable protection bracket Pair, limit alarm device 3g is installed on support base 3a sides.
As Fig. 4, shown in Fig. 6, Fig. 7, damping spring 4c, two grades of electricity are additionally provided with described adjustable screw branch line apparatus 4 Cable leading block group 4d, two grades of cable leading block group 4d, which are installed in metal framework, constitutes the vertical revolute pair of rotary shaft, subtracts Shake spring 4c two ends one end is hinged above adjustable lateral frame 4a, and the other end is hinged in two grades of cable leading block group 4d metal frameworks Portion.
As shown in Figure 10, Figure 12, lateral frame 8a, input cable strap are additionally provided with described fixation lateral frame 8 8b, output cable strap 8c, output cable joint 8d, input cable joint 8e, anti-fatigue rubber set 8f, cable locking dress 8g is put, input cable strap 8b, output cable strap 8c are fixed on the inside of lateral frame 8a, and cable locking device 8g consolidates Due to lateral frame 8a upper ends, anti-fatigue rubber set 8f is passed through out of cable locking device 8g holes.
As shown in Fig. 8, Fig. 9, Figure 12, Figure 13, connecting cover plate 7a, hydraulic pressure are additionally provided with described hydraulic support device 7 Cylinder 7b, linkage 7c, universal wheel 7d, hydraulic tube 7e, connecting cover plate 7a are fixed on the end of cantilever extending apparatus 6, hydraulic cylinder 7b Piston extension bar is hinged with linkage 7c and is fixed on linkage 7c on the downside of connecting cover plate 7a, the connection of hydraulic tube 7e one end Hydraulic cylinder, the other end is extended in excavator by the solidus ring 6c on pole bracket 6a, and universal wheel 7d is connected to linkage 7c extension bars end.
As shown in Fig. 4, Fig. 5, Figure 11, described one-level cable leading block group 3f, two grades of cable leading block group 4d by The four concave surface pulley compositions for constituting four axles of closed rectangular and being respectively arranged on axle, the framework two ends for connecting four axles are equal There is extension bar to be constituted revolute pair with support assorted.
As shown in Fig. 1, Fig. 8, in electric power access port, cable locking device 8g fixes the joint of tensile type cable 5, tension Type cable 5 by anti-fatigue rubber set 8f pass through with prevent turning joint because frequently twisting and be broken, fix lateral frame 8 with it is adjustable Leading screw branch line apparatus 4 supports tensile type cable 5 jointly, and cable reel installation 3 is that the offer of tensile type cable 5 is opened from power output end Power makes it tighten vacantly.
As shown in Fig. 4, Fig. 6, Fig. 7, adjustable lateral frame 4a allows the twitch of cable in any direction, is disturbed above and below cable When, damping spring 4c can experience and adapt to the power on vertical direction, when cable or so whipping, and leading block group 4d can follow line Cable is rotated.
As shown in Fig. 2, Fig. 3, Figure 13, when excavator is in walking states, the cable reel installation on fixed lateral frame 8 3 follow the pulling force automatic takeup unwrapping wire of tensile type cable 5, and the length of tensile type cable 5 determines the working range of excavator, when When the releasing of tensile type cable 5 length reaches capacity, pulling force is passed to the limit alarm device 3g of force sensor, set out police Report.
As shown in Fig. 6, Fig. 7, Figure 13, when battery location is fixed, excavator is distant and tensile force is insufficient to allow cable Vacantly, or excavator aloft operation and cause tensile type cable 5 mop floor situation when, rotatable hand leading screw 4b is so as to increasing Plus the branch line height of adjustable screw branch line apparatus 4.
As shown in Fig. 8, Fig. 9, Figure 13, when battery and excavator position are constant, by the hydraulic pressure in hydraulic support device 7 Cylinder 7b, which stretches out, causes linkage 7c with driving universal wheel 7d branch, and when battery location is constant, excavator is on rough road surface During walking, the displacement signal on vertical direction is converted into hydraulic cylinder 7b pressure signal simultaneously by universal wheel 7d by linkage 7c Hydraulic system is output to, certain pressure is kept by control system of invariable pressure, universal wheel 7d support force is kept constant, together When, universal wheel 7d follows the motion of excavator and adjustment direction.
As shown in Figure 10, Figure 11, Figure 13, in electric power output system, two-way plug 2 connects battery with cable reel installation 3 Connect, the bus ring 3c inside cable reel installation 3 is by the circuit between static support base 3a and the cable drum 3b of rotation Connection, tensile type cable 5 is wrapped on cable drum 3b, and external part sequentially passes through one-level cable leading block group 3f, two grades of electricity Cable leading block group 4d, is supported by adjustable lateral frame 4a and leads to power input system, in power input system, tensile type electricity Cable 5 covers 8f through anti-fatigue rubber, is supported by lateral frame 8a and is locked by cable locking device 8g, after lead to input cable and fix Clamping plate 8b is simultaneously fixed, and port meets output cable joint 8d, and cable 9 is drawn out of excavator, through consolidating on pole bracket 6a Wire loop 6c and connecting cover plate 7a upper ends circular hole, are fixed, port meets input cable joint 8e by output cable strap 8c, are exported Tensile type cable 5 can be connected with cable 9 after cable connector 8d, input cable joint 8e docking, tensile type cable 5 is defeated in electric power Go out, it is hanging under the support force of input and pulling force.

Claims (5)

1. the cable automatic drawing system of pure electric hydraulic excavating machine, is made up of electric power output system and power input system, its It is characterised by electric power output system by battery trailer(1), two-way plug(2), cable reel installation(3), adjustable screw branch it is traditional thread binding Put(4), tensile type cable(5)Composition, power input system is by cantilever extending apparatus(6), hydraulic support device(7), fixed branch Coil holder(8), cable(9)Composition, battery is installed on battery trailer(1)On, cable reel installation(3)With adjustable screw branch line apparatus (4)It is mounted on above battery, cantilever extending apparatus(6)It is fixed on excavator walker, hydraulic support device(7)It is arranged on Cantilever extending apparatus(6)End, fixed lateral frame(8)Installed in hydraulic support device(7)Top;
Described cable reel installation(3)In cable drum(3b)With cable protection bracket(3e)Coaxially it is mounted on support base (3a)In fixing axle and constitute revolute pair, bus ring(3c)By support base(3a)With cable drum(3b)Between circuit connect It is logical, scroll spring(3d)Inner ring connects support base(3a)Fixing axle, outer ring connection cable reel(3b)Inwall;
Described adjustable screw branch line apparatus(4)In adjustable lateral frame(4a)Lower end hinged support base(3a), middle part is hinged Hand leading screw(4b), two grades of cable leading block groups are installed in upper end(4d), adjustable lateral frame(4a)Lower end hinged support base (3a);
Described cantilever extending apparatus(6)In pole bracket(6a)Excavator walker rear end is fixed in one end, and the other end is stretched Go out tail of the body on excavator, stiffener plate(6b)It is fixed on pole bracket(6a)Middle part, pole bracket(6a)Ascender line cable(9) And hydraulic tube(7e)Winding displacement mode be distributed solidus ring(6c);
Described fixation lateral frame(8)In lateral frame(8a)It is fixed on connecting cover plate(7a)Upside, with cantilever extending apparatus(6) Constitute L-type cantilever design, lateral frame(8a)It is more than body rear end on excavator with the minimum range of the central centre of gyration of excavator With central centre of gyration ultimate range;
One-level cable leading block group(3f), two grades of cable leading block groups(4d)By four axles and difference that constitute closed rectangular Four concave surface pulley compositions on axle are installed on, the framework two ends of four axles of connection have extension bar to turn to be constituted with support assorted Dynamic pair.
2. the cable automatic drawing system of pure electric hydraulic excavating machine according to claim 1, it is characterised in that described Cable reel installation(3)On be additionally provided with one-level cable leading block group(3f), limit alarm device(3g), one-level cable guiding Assembly pulley(3f)It is installed on the revolute pair that rotation axis horizontal is constituted above cable protection bracket, limit alarm device(3g)It is installed on branch Support base(3a)Sideways.
3. the cable automatic drawing system of pure electric hydraulic excavating machine according to claim 1, it is characterised in that described Adjustable screw branch line apparatus(4)On be additionally provided with damping spring(4c), two grades of cable leading block groups(4d), two grades of cables guiding Assembly pulley(4d)It is installed in metal framework and constitutes the vertical revolute pair of rotary shaft, damping spring(4c)Two ends one end is hinged adjustable Lateral frame(4a)Top, the other end is hinged two grades of cable leading block groups(4d)In the middle part of metal framework.
4. the cable automatic drawing system of pure electric hydraulic excavating machine according to claim 1, it is characterised in that described Fixed lateral frame(8)On be additionally provided with lateral frame(8a), input cable strap(8b), output cable strap(8c)、 Output cable joint(8d), input cable joint(8e), anti-fatigue rubber set(8f), cable locking device(8g), input cable Strap(8b), output cable strap(8c)It is fixed on lateral frame(8a)Inner side, cable locking device(8g)It is fixed on Lateral frame(8a)Upper end, anti-fatigue rubber set(8f)From cable locking device(8g)Passed through in hole.
5. the cable automatic drawing system of pure electric hydraulic excavating machine according to claim 1, it is characterised in that described Hydraulic support device(7)On be additionally provided with connecting cover plate(7a), hydraulic cylinder(7b), linkage(7c), universal wheel(7d), hydraulic pressure Pipe(7e), connecting cover plate(7a)It is fixed on cantilever extending apparatus(6)End, hydraulic cylinder(7b)Piston extension bar and linkage (7c)It is hinged and and linkage(7c)It is fixed on connecting cover plate(7a)Downside, hydraulic tube(7e)One end connection liquid cylinder pressure, it is another End passes through pole bracket(6a)On solidus ring(6c)Extend in excavator, universal wheel(7d)It is connected to linkage(7c)Stretch Rod end.
CN201610310097.5A 2016-05-12 2016-05-12 The cable automatic drawing system of pure electric hydraulic excavating machine Active CN105958420B (en)

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Publication number Priority date Publication date Assignee Title
CN107147044B (en) * 2017-05-30 2018-05-29 江苏金卓能建设工程技术有限公司 A kind of multifunctional intellectual cable laying engineering truck
CN111255005A (en) * 2020-03-17 2020-06-09 三一重机有限公司 Electric excavator
CN112909852B (en) * 2021-01-28 2021-10-29 吉林大学 Well head cable direction fixing device for well logging

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CN104120752A (en) * 2014-07-08 2014-10-29 昆明理工大学 Alternating current/storage battery dual-purpose electric excavator
CN105064442A (en) * 2015-09-07 2015-11-18 中国建设教育协会建设机械职业教育专业委员会 Power supply system with cable take-up device for electric excavator and electric excavator
CN105089086A (en) * 2015-09-07 2015-11-25 中国建设教育协会建设机械职业教育专业委员会 Electric excavator with cable winding device

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JP2004084328A (en) * 2002-08-27 2004-03-18 Hitachi Constr Mach Co Ltd Vehicular power supply device

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CN104120752A (en) * 2014-07-08 2014-10-29 昆明理工大学 Alternating current/storage battery dual-purpose electric excavator
CN105064442A (en) * 2015-09-07 2015-11-18 中国建设教育协会建设机械职业教育专业委员会 Power supply system with cable take-up device for electric excavator and electric excavator
CN105089086A (en) * 2015-09-07 2015-11-25 中国建设教育协会建设机械职业教育专业委员会 Electric excavator with cable winding device

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