CN104805879B - Engineering machinery - Google Patents
Engineering machinery Download PDFInfo
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- CN104805879B CN104805879B CN201510035604.4A CN201510035604A CN104805879B CN 104805879 B CN104805879 B CN 104805879B CN 201510035604 A CN201510035604 A CN 201510035604A CN 104805879 B CN104805879 B CN 104805879B
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- relay
- earthing switch
- cover member
- battery
- switch
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Abstract
The present invention provides a kind of engineering machinery, comprising: battery (12A, 12B)；Earthing switch (22) is connected to battery (12A, 12B)；Relay (23~25) is connected to battery (12A, 12B)；Supporting element (33) and extension plate (34), guard relay (23~25)；And cover member (16), it is installed on supporting element (33) and extension plate (34), it and include the upper wall (27d) for covering from above relay (23~25), wherein, earthing switch (22) is installed on cover member (16) with the state that the state and earthing switch (22) that are covered from above by cover member (16) can be operated.Hereby it is possible to control cost while the protection for being grounded switch and relay and the installation of earthing switch.
Description
Technical field
The present invention relates to engineering machinery comprising battery, the earthing switch and relay for being connected to battery.
Background technique
In the past, in order to prevented when carrying out electric operation (such as weld job) in engineering machinery with the energization of battery and
Engineering machinery inhibits the electric discharge of battery when not in use for a long time, is connected with earthing switch on battery sometimes.
Earthing switch setting, can be in the state and electricity that battery is connect with ground connection position between battery and ground connection position
Switch between the state that pond and ground connection position disconnect.
In addition, relay is connected on battery, the state that can be connect in the electric component in engineering machinery with battery
And switch between electric component and the state of battery disconnection.
As the engineering machinery with earthing switch and relay (battery relay), it is known to such as Japanese Patent Publication
Bulletin special open 2013-189785 (hereinafter referred to as patent document 1).
In the engineering machinery, battery is arranged on upper frame.In addition, relay is kept component (foreboard) holding, the guarantor
Component is held to erect on front side of battery on upper frame.Moreover, earthing switch is operably mounted to switch attachment member, the switch
Mounting portion is located on upper frame in the side stand rearways of battery.
Here, the short circuit etc. in the circuit that earthing switch and relay are connected in order to prevent, it is necessary to protective grounding switch and
Relay is not influenced by the rainwater etc. for entering work machine internal.
In patent document 1, illustrate that relay (battery relay) is maintained at the intracorporal state of case, but without indicating to use
In the structure of protective grounding switch.
Therefore, it can speculate the cover member that need in addition add covering earthing switch.
However, in the cabinet that covering relay is respectively set, covering the cover member of earthing switch and being opened for installing ground connection
When the earthing switch mounting portion of the earthing switch of pass, setup cost is higher.
Summary of the invention
The purpose of the present invention is to provide a kind of engineering machinery, can in the protection for being grounded switch and relay and
Cost is controlled while the installation of earthing switch.
The present invention provides a kind of engineering machinery, comprising: battery；Earthing switch is connected to the battery；Relay, connection
In the battery；Holding member keeps the relay；And cover member, it is installed on the holding member, and include upper wall,
The upper wall covers from above the relay for being held in the holding member, wherein the earthing switch is by the cover portion
The state that the state and the earthing switch that part covers from above can be operated is installed on the cover member.
In accordance with the invention it is possible to the control while installation of the protection and earthing switch that are grounded switch and relay
This is made.
Detailed description of the invention
Fig. 1 is the integrally-built left view for indicating the hydraulic crawler excavator of embodiment of the present invention.
Fig. 2 indicates the upper frame of Fig. 1 and is set to the top view of the equipment of frame on this.
Fig. 3 is by a part amplification of structure shown in Fig. 2, a part of cutting and the top view illustrated.
Fig. 4 is the IV-IV line cross-sectional view of Fig. 3.
Fig. 5 is the figure for being equivalent to Fig. 4 for indicating to remove the state after cover member.
Fig. 6 is the line VI -- VI cross-sectional view of Fig. 3.
Fig. 7 is the figure for being equivalent to Fig. 6 for indicating other embodiment of the present invention.
Specific embodiment
Illustrate embodiments of the present invention referring to the following drawings.In addition, the following embodiments and the accompanying drawings is will be of the invention specific
An example of change has no the intention limited the scope of protection of the present invention.
Fig. 1 is the left view for indicating the hydraulic crawler excavator of an example of the engineering machinery as embodiment of the present invention.
Hydraulic crawler excavator 1 includes: the lower running body 2 of self-travel type, has crawler belt 2a；Upper rotation 3, can be to return
Pivotally it is arranged on lower running body 2 centered on shaft；And operation auxiliary equipment 4, it can be installed on top with displacement and return
Swivel 3.Hereinafter, the direction observed by the driver of hydraulic crawler excavator 1 is illustrated.In addition, rotating shaft is parallel to
The axis in lower direction.
Operation auxiliary equipment 4 includes: swing arm 5, is installed on upper rotation 3 with capable of going up lift and decline；Dipper 6, can
It is rotatably mounted to the distal portion of swing arm 5；And scraper bowl 7, rotatably it is installed on the distal portion of dipper 6.
In addition, operation auxiliary equipment 4 includes: swing arm working cylinder 8, make swing arm 5 relative to lift in upper rotation 3 and under
Drop；Dipper working cylinder 9 rotates dipper 6 relative to swing arm 5 and drives；And scraper bowl working cylinder 10, make scraper bowl 7 relative to dipper 6
Rotation driving.
Referring to FIG. 1 and FIG. 2, upper rotation 3 includes: that lower running body can pivotally be arranged in centered on rotating shaft
Upper frame 11 on 2；And be arranged in battery 12A, 12B on upper frame 11, cooler 13, engine 14, control device 15,
Cover member 16 and protecting component 17.
Upper frame 11 includes: the bottom plate 18 for being installed on lower running body 2；Erect the pair of right and left stringer board on bottom plate 18
19；The right side frame 20 of bottom plate 18 is fixed on the right side of the stringer board 19 on right side；And the left side of the stringer board 19 in left side is fixed
In the left side frame 21 of bottom plate 18.
A pair of side plates 19 is opposite to and extending along the longitudinal direction in the lateral direction.Two stringer boards 19 are in two stringer board 19
The base end part of operation auxiliary equipment 4 (swing arm 5) is supported between front.
Left side frame 21 includes: stringer 29, is extended along the longitudinal direction；Multiple crossbeams 30, extend in left-right direction, and connection is vertical
Beam 29 and bottom plate 18；Support plate 31 links the rear portion of stringer 29 and the rear portion of bottom plate 18；And the back rest 32, link support plate 31
Rear end and stringer 29 and bottom plate 18.The structure of the major part of left side frame 21 is illustrated below.
Battery 12A, 12B are configured on support portion 31 along left-right situs.Cooler 13 configures in support plate 31 on right side
Battery 12A right side.Engine 14 extends in left-right direction across two stringer boards 19, and is supported on two stringer board 19.Control
Device 15 and cover member 16 configure in support plate 31 at the rear of battery 12A, 12B.Protecting component 17 is with from top and side
The mode for covering battery 12A, 12B, cooler 13, engine 14, control device 15 and cover member 16 is mounted on frame 11
On.In addition, protecting component 17 has left side wall, the left side of control device 15 and cover member 16 is set, for protecting cover member
16, which is equipped with air entry 17a, sucking outside air to cooler 13.Air entry 17a is arranged throughout antero-posterior extent E1,
Antero-posterior extent E1 includes from the rear end of following cover members 16 to the range between the front end of cooler 13.That is, cooler 13 is set
It sets in the side (right side) of the left side wall of protecting component 17.
Battery 12A, 12B are supported plate 31 and support from below.
The fan that there is cooler 13 figure to omit, engine 14 is cooled down using the outside air sucked from air entry 17a
Cooling water etc..
Hereinafter, being illustrated referring to Fig. 3 to Fig. 6 to the structure of control device 15 and cover member 16.
Control device 15 is for controlling battery 12A, 12B and electric component (such as the starter motor 14a and fire of engine 14
Flower plug 14b, referring to fig. 2) between connection status and dissengaged positions.
Specifically, control device 15 includes: earthing switch 22, battery 12B is connected to via battery cables C2；Battery after
Electric appliance 23 is connected to battery 12A via relay cable C4；Starter relay 24 and spark plug relay 25 connect via harness H
It is connected to battery relay 23；And fuse 26, it is connected to harness H.In addition, Fig. 3 into Fig. 6, for simplified illustration, is only indicated
The path of trunk as harness H, and omit the diagram of the electric wire come out from the path disagreement.
The ground connection position 31a (referring to fig. 4) and battery that earthing switch 22 can be arranged in metal support plate 31
Switch between the state that the state and ground connection position 31a and battery 12A, 12B of 12A, 12B connection disconnect.Specifically, ground connection is opened
Pass 22 is connected to ground connection position 31a, battery 12A via earth cable C1 and is connected to battery 12B via junction cable C3.
In addition, having and earth cable C1 and battery cables as shown in figure 3, earthing switch 22 includes: switch main body 22a
A pair of terminal (ellipsis) of C2 connection；And operation portion 22b, it is prominent from switch main body 22a, it is opened for handover operation ground connection
Close 22.
Referring to Fig. 3 to Fig. 6, battery relay 23 can be in multiple electric components (such as starter motor 14a of engine 14
With spark plug 14b, referring to fig. 2) disconnect with battery 12A, 12B state connecting and multiple electric components and battery 12A, 12B
Switch simultaneously between state.Specifically, from the circuit that battery 12A, 12B disagreement are connect with multiple electric components respectively
In, battery relay 23 is arranged in than furcation section closer to the part of battery 12A, 12B.In addition, battery relay 23 via
Cable C5 is connected to the starter motor 14a (referring to fig. 2) of engine 14.
Starter relay 24 can the starter motor 14a state being connect with battery relay 23 and starter motor 14a with
Switch between the state that battery relay 23 disconnects.Specifically, starter relay 24 via harness H figure omit electric wire and company
It is connected to battery relay 23, and is connected to starter motor 14a via the electric wire H1 (referring to fig. 2) of harness H.
What spark plug relay 25 can be connect in the spark plug 14b (referring to fig. 2) of engine 14 with battery relay 23
Switch between the state that state and spark plug 14b and battery relay 23 are disconnected.Specifically, spark plug relay 25 is via line
Electric wire that the figure of beam H omits and be connected to battery relay 23, and be connected to fire via the electric wire H2 (referring to fig. 2) of harness H
Flower plug 14b.
Above-mentioned control device 15 is arranged on the supporting element 33 of the left side frame 21 in support plate 31 and extension plate 34 (is protected
Hold component) it keeps, the cover member 16 for being installed in supporting element 33 and extension plate 34 covers.Firstly, referring to Fig. 3 and Fig. 4, to support
The structure of part 33, extension plate 34 and cover member 16 is illustrated.
The lower end of supporting element 33 is fixed on before the back rest 32 by bolt B 3, so that the supporting element 33 is erected on a left side
In the support plate 31 of side frame 21.In addition, supporting element 33 includes: plate (covering wall) 33a configured along the front surface of the back rest 32；From
Right flange (covering wall) 33b and left flange 33c that the both ends of the left and right directions of plate 33a respectively forwardly extend.
Extension plate 34 includes: extension (covering wall) 34a, is extended forward from right flange 33b；And bending part 34b, from prolonging
The front end of long portion 34a extends to the left.
Cover member 16 includes: cover main body 27, is releasably installed on supporting element 33 and extension plate 34；And seal member,
It is arranged between cover main body 27 and supporting element 33.
Cover main body 27 includes: opposite wall (side wall) 27a, in the longitudinal direction it is opposite with the plate 33a of supporting element 33 to；Inclination
Wall (side wall) 27b, tilts backwards from the left part of opposite wall 27a；Lateral wall (side wall) 27c, from the rear end of inclined wall 27b to
After extend；Upper wall 27d is mounted on the upper end of opposite wall 27a, inclined wall 27b and lateral wall 27c；And mounting portion 27e,
It is upwardly extended from the rear end of upper wall 27d.
Opposite wall 27a is parallel with left and right directions.Inclined wall 27b is then tilted more to the left closer to rear.That is, inclined wall
27b be arranged between protecting component 17 and earthing switch 22 and relay 23~25, and relative to outside air flow direction (from
From left to right flowing) vertical direction (front-rear direction) inclination, the outside air is from air entry 17a (referring to fig. 2) to cooler 13
Flowing.In addition, lateral wall 27c is parallel in the longitudinal direction.
In the state that cover main body 27 is installed on supporting element 33 and extension plate 34, opposite wall 27a, inclined wall 27b and outer
The upper end of side wall 27c is configured in height and position identical with the upper end of extension 34a of extension plate 34.Upper wall 27d is from upper
Side's covering forms opening portion by the upper end of opposite wall 27a, inclined wall 27b, lateral wall 27c and extension 34a.In addition, in cover
Main body 27 is installed in the state of supporting element 33 and extension plate 34, the lower end of opposite wall 27a, inclined wall 27b and lateral wall 27c
Portion is configured in height and position identical with the lower end of extension 34a.
In addition, inserted with bolt B 1 in through hole outside the figure being formed on opposite wall 27a, in the bending part of extension plate 34
34b is provided with nut (cover mounting portion) N1, is screwed togather by bolt B 1 and nut N 1, cover main body 27 can be loaded and unloaded on extension plate 34.
In addition, being provided on the plate 33a of supporting element 33 in through hole outside the figure being formed on mounting portion 27e inserted with bolt B 2
Nut (cover mounting portion, referring to Fig. 6) N2, is screwed togather, cover main body 27 can be loaded and unloaded on supporting element 33 by bolt B 2 and nut N 2.
When cover member 16 is installed on supporting element 33 and extension plate 34 from front side as described above, seal member 28 is clipped in outer
Between the front surface of the plate 33a of the rear end face and supporting element 33 of side wall 27c.Thereby, it is possible to inhibit rainwater etc. to pass through lateral wall 27c
Enter between plate 33a.
In addition, cover member 16 is installed on supporting element 33 and extension plate 34, thus in cover member 16, supporting element 33 and extension plate
Receiving room S1 is formed between 34.Receiving room S1 is supported part 33, extension plate 34 and cover member 16 to be parallel to up and down direction
It is surrounded in entire circumferential direction centered on axis, and capped from top.Control device 15 is provided in receiving room S1.With
Under, the installation condition of the control device 15 in receiving room S1 is illustrated referring to Fig. 3, Fig. 5 and Fig. 6.
Earthing switch 22 run through opposite wall 27a so that switch main body 22a configuration in receiving room S1, and operation portion 22b from
The opposite wall 27a of cover member 16 is prominent to side (front).In this case, earthing switch 22 is installed on relatively by bolt B 6
Wall 27a.
Battery relay 23 is installed on the plate 33a of supporting element 33 to configure state in receiving room S1 by bolt B 4
Front surface.In this case, the configuration of battery relay 23 is in (the position far from battery 12A, 12B of the more rear than earthing switch 22
It sets).
In addition, earthing switch 22 is installed on opposite wall 27a, and configure when from side (front and rear) and battery
The position that relay 23 is overlapped.Specifically, battery relay 23 lower end configuration the lower end than earthing switch 22 more
The upper end of the position of top, battery relay 23 is configured in the position of the upper end more top than earthing switch 22.
Starter relay 24 and spark plug relay 25 are fixed on bracket 24a.Bracket 24a is installed on support by bolt B 5
The front surface of the plate 33a of part 33.In this case, the configuration of starter relay 24 is in the position than spark plug relay 25 further below
It sets, and starter relay 24 and the configuration of spark plug relay 25 are in the position than 23 more top of earthing switch 22 and battery relay
It sets.
Fuse 26 is installed on the extension 34a of extension plate 34.
In addition, the path of the trunk as harness H is configured using binding band etc. along extension 34a.
As described above, cover member 16, supporting element 33 and extension plate 34 surround the entire perimeter around control device 15.Specifically
For, the extension 34a of the plate 33a of supporting element 33 and right flange 33b and extension plate 34 is equivalent to from side (rear and right side
Just) the side wall of covering relay 23~25 and earthing switch 22.In addition, the opposite wall 27a of cover member 16, inclined wall 27b and
Lateral wall 27c is equivalent to the side wall from side (front and left side side) covering relay 23~25.
In addition, as shown in figure 4, being formed between the upper surface of the lower end and support plate of cover member 16 and extension plate 34 31
There is gap.Cable C1, C2, C4, C5 and harness H are exported to outside from receiving room S1 by the gap.
As described above, 16 dual-purpose of cover member that protective relay 23~25 is not influenced by rainwater etc. is protective grounding switch 22
Component and component for installing earthing switch 22, and then install to holding member (supporting element 33 and extension plate 34).
Therefore, than the component of the component of protective relay 23~25, protective grounding switch 22 is respectively set and for installing
The case where component of earthing switch 22, is compared, and number of components can be reduced.
It therefore, can be in the same of the installation of the protection and earthing switch 22 that are grounded switch 22 and relay 23~25
This is made in time control.
In addition, above embodiment can realize following effect.
According to above embodiment, since cover member 16 is equipped with side wall (opposite wall 27a, inclined wall 27b, lateral wall 27c),
Therefore rainwater etc. is able to suppress from side contact-relay 23~25 and earthing switch 22.
In addition, earthing switch 22 configures the position being overlapped when from side (front) with relay 23 using the side wall
It sets, therefore with earthing switch 22 compared with the case where about 23 relay configures, holding member (supporting element 33 and extension can be made
Plate 34) and cover member 16 compactly constitute in the up-down direction.
According to above embodiment, earthing switch 22 runs through opposite wall 27a, so as to the terminal of switch main body 22a
By from top and side protection and earthing switch 22 is installed on opposite wall 27a by the state that can be operated of operation portion 22b.As a result,
It can be achieved at the same time the protection and operability of earthing switch 22.
According to above embodiment, earthing switch 22 and relay 23~25 be arranged in the left side wall of protecting component 17 with it is cold
But between device 13, and inclined wall 27b and lateral wall 27c are arranged between cooler 13 and the left side wall of protecting component 17.Therefore,
Can protective relay 23~25 and earthing switch 22 not by shadows such as the rainwater entered of the air entry 17a by protecting component 17
It rings.
In addition, mitigate the circulating resistance of outside air using inclined wall 27b, therefore, can protect as described above after
Electric appliance 23~25 and earthing switch 22 are not influenced by the rainwater etc. being blown into of the air entry 17a by protecting component 17, and effectively
Ground sucks outside air.
According to above embodiment, using cover member 16, supporting element 33 and extension plate 34, can cover relay 23~
25 and earthing switch 22 around entire perimeter.
Moreover, earthing switch 22 and relay can be made by removing cover member 16 from cover mounting portion (nut N 1, N2)
23~25 separation.Therefore, the space for safeguarding the two, relay can be ensured between relay 23~25 and earthing switch 22
Device 23~25 and earthing switch 22 are connect with more electric wires (cable C1, C2, C4, C5 and harness H), and by cover member 16 from side
Covering.
Therefore, the protection of relay 23~25 and earthing switch 22 and the raising of maintainability be can be achieved at the same time.
According to above embodiment, due to earthing switch 22 can be configured than relay 23~25 closer to battery
The position of 12A, 12B, therefore the wiring of connection earthing switch 22 and battery 12A, 12B can be shortened.
In addition, in the above-described embodiment, relay 23~25 is directly maintained on supporting element 33, it may, however, also be
The cabinet for being equivalent to cover member is kept on supporting element 33, and relay 23~25 is stored in cabinet.
In addition, 3 relays 23~25 are all covered by cover member 16 in above embodiment, however, only needing at least one
A relay is covered by cover member 16.
Moreover, cover member 16 has side wall (opposite wall 27a, inclined wall 27b, lateral wall 27c) in above embodiment,
However, only need at least cover from above the upper wall of relay and earthing switch.Specifically, Fig. 7 illustrates other realities
Mode is applied, cover member is provided with, and the cover member does not have side wall.
Hydraulic crawler excavator in present embodiment includes: holding member 35, is erected in left side frame 21；And cover member
36, holding member 35 is installed on by bolt B 7, and cover from above battery relay 23.
Earthing switch 22 is equipped with by mounting portion 36a on the lower surface of cover member 36.Mounting portion 36a is by earthing switch 22
Switch main body 22a with the operation portion 22b of earthing switch 22 towards the state and earthing switch 22 in side (front in Fig. 7)
The lower surface of cover member 36 is installed on by the state that cover member 36 covers from above.
As described above, the operation portion 22b of earthing switch 22 is opened to the side of cover member 36, it therefore, can be from cover member
36 side operates earthing switch 22.In addition, earthing switch 22 and battery relay 23 are covered by cover member 36 from top
Lid, therefore, can protective grounding switch 22 and battery relay 23 do not influenced by rainwater etc..
In addition, earthing switch 22 is whole to be covered from above by cover member 36 in embodiment shown in Fig. 7, it therefore, can
Protective grounding switch 22 is whole not to be influenced by rainwater etc..
In addition, above-mentioned specific embodiment is contained mainly in the invention having following structure.
The present invention provides a kind of engineering machinery, comprising: battery；Earthing switch is connected to the battery；Relay, connection
In the battery；Holding member keeps the relay；And cover member, it is installed on the holding member, and include upper wall,
The upper wall covers from above the relay for being held in the holding member, wherein the earthing switch is by the cover portion
The state that the state and the earthing switch that part covers from above can be operated is installed on the cover member.
According to the present invention, the cover member dual-purpose that protective relay is not influenced by rainwater etc. be the component that switchs of protective grounding with
And the component for installing earthing switch, and install to holding member.
Therefore, than the component of protective relay, the component that protective grounding switchs is respectively set and for installing earthing switch
Component the case where compare, number of components can be reduced.
According to the invention it is thus possible in the installation of the protection and earthing switch that are grounded switch and relay
Cost is controlled simultaneously.
Above-mentioned cover member need to only include at least upper wall, however, sometimes because of the cooling system of work machine internal (following wind
Fan etc.) generate air-flow cause rainwater etc. from side contact-relay and earthing switch.
Therefore, it may be desirable to, the cover member includes side wall (such as: opposite wall), which covers institute from side
Relay and the earthing switch are stated, the earthing switch is installed on the side wall, and from side when ground connection
Switch is located at the position being overlapped with the relay.
According to the present invention, since cover member is equipped with side wall, rainwater etc. is able to suppress from side contact-relay and is connect
Ground switch.
In addition, using the side wall, earthing switch configures the position being overlapped when from side with relay, thus with connect
Ground switch can make holding member and cover member compactly structure in the up-down direction compared with the case where relay configures up and down
At.
In above-mentioned engineering machinery, it may be desirable to, the earthing switch includes: switch main body, has and matches for connecting
The terminal of line；And operation portion, it is prominent from the switch main body, and for earthing switch described in handover operation, wherein it is described to connect
Ground switch runs through the side wall so that the terminal is covered by the upper wall and the side wall, and the operation portion from side wall to
The side is prominent.
According to the present invention, earthing switch runs through opposite wall, so as to be protected and operated from top and side with terminal
Earthing switch is installed on side wall by the state that portion can be operated.Thereby, it is possible to be grounded the protection and operability of switch simultaneously.
Here, engineering machinery of the invention can also include: protecting component, for protecting the cover member；And fan,
It being set to the side of the protecting component, being protected with will pass through to be formed in the air entry of the protecting component and suck outside air
In component, wherein the relay and the earthing switch are arranged between the protecting component and the fan, the side wall
It is arranged between the protecting component and the relay and the earthing switch.At this point, having the following advantages: due to relay and
Side wall is provided between earthing switch and protecting component, therefore, can protective relay and earthing switch do not passed through protection department
Rainwater that the air entry of part enters etc. influences.
At this point, can be arranged in parallel to side wall to flow to vertical direction with outside air, the outside air is from air-breathing
Mouthful to fan flow.However, leading to not be effectively drawn at this point, the side wall can make the circulating resistance of outside air become larger
Outside air.
Therefore, it may be desirable to, the side wall includes inclined wall, which hangs down relative to the flow direction of outside air
Straight direction inclination, the outside air is from the air entry to the fan flow.
In accordance with the invention it is possible to the circulating resistance of outside air is mitigated using inclined wall, it therefore, can be as described above
The rainwater etc. that protective relay and earthing switch are not blown by the air entry by protecting component influences, and is effectively drawn into outer
Portion's air.
Here, since relay and earthing switch are connect with more wirings, if relay and earthing switch are covered by side wall,
It is then difficult to ensure the space for safeguarding the two around relay and earthing switch.
Therefore, it may be desirable to, the holding member has cover mounting portion, which can with the cover member
The mode removed from the holding member installs the cover member.
According to the present invention, by removing cover member from cover mounting portion, earthing switch can be made to separate with relay.Cause
This, it can be ensured that is for safeguarding the space of the two.
In above-mentioned engineering machinery, it may be desirable to, when viewed from above, the earthing switch is located at than the relay
Closer to the position of the battery.
According to the present invention, due to can by earthing switch configure than relay closer to the position of battery, can
Shorten the wiring of connection earthing switch and battery.
In above-mentioned engineering machinery, it may be desirable to, the holding member includes cover mounting portion, with the cover member energy
It is enough that the cover member is installed from the mode that the holding member is removed；And covering wall, the relay and institute are covered from side
Earthing switch is stated, the cover member includes side wall, which covers the relay and the earthing switch from the side,
The cover member is installed in the state of the cover mounting portion, and the covering wall and the side wall surround the relay and described
Entire perimeter around earthing switch.
According to the present invention, using the covering wall of the side wall of cover member and holding member, can reliably from side protect after
Electric appliance and earthing switch.
Moreover, can easily be safeguarded to relay and earthing switch by removing cover member from guard block.
Therefore, the protection of relay and earthing switch and the raising of maintainability be can be achieved at the same time.
Claims (9)
1. a kind of engineering machinery, characterized by comprising:
Battery；
Earthing switch is connected to the battery；
Relay is connected to the battery；
Holding member keeps the relay；
Cover member is installed on the holding member, and includes upper wall, which, which covers from above, is held in the holding member
The relay, and
Protecting component covers the battery, the earthing switch, the relay and the cover member from top and side,
Wherein,
The earthing switch, the relay, the holding member and the cover member are configured in the side of the battery,
It is installed on the holding member by the cover member, storage is formed between the cover member and the holding member
Room is provided with the earthing switch and the relay in the receiving room,
The earthing switch includes switch main body, has the terminal for connection wiring；And operation portion, it is led from the switch
Body is prominent, and is used for earthing switch described in handover operation,
State that the earthing switch is covered from above by the cover member at least switch main body and the earthing switch
The state that operation portion is open and can be operated is installed on the cover member.
2. engineering machinery according to claim 1, it is characterised in that:
The cover member includes side wall, which covers the relay and the earthing switch from side,
The earthing switch is installed on the side wall, and from side when earthing switch is located at and the relay
The position of coincidence.
3. engineering machinery according to claim 2, it is characterised in that:
The earthing switch runs through the side wall, so that the terminal is covered by the upper wall and the side wall, and the operation
Portion is prominent from side wall to the side.
4. engineering machinery according to claim 2, it is characterised in that further include:
Protecting component, for protecting the cover member；And
Fan is set to the side of the protecting component, with will pass through be formed in the air entry of the protecting component will be external empty
Aspiration enters in protecting component, wherein
The relay and the earthing switch are arranged between the protecting component and the fan,
The side wall is arranged between the protecting component and the relay and the earthing switch, and includes inclined wall, should
Inclined wall is tilted relative to the vertical direction of flowing to outside air, and the outside air is from the air entry to the fan flow
It is dynamic.
5. engineering machinery according to claim 3, it is characterised in that further include:
Protecting component, for protecting the cover member；And
Fan is set to the side of the protecting component, with will pass through be formed in the air entry of the protecting component will be external empty
Aspiration enters in protecting component, wherein
The relay and the earthing switch are arranged between the protecting component and the fan,
The side wall is arranged between the protecting component and the relay and the earthing switch, and includes inclined wall, should
Inclined wall is tilted relative to the vertical direction of flowing to outside air, and the outside air is from the air entry to the fan flow
It is dynamic.
6. engineering machinery according to any one of claim 1 to 5, it is characterised in that:
The holding member has cover mounting portion, which can be from the side that the holding member is removed with the cover member
Formula installs the cover member.
7. engineering machinery according to any one of claim 1 to 5, it is characterised in that:
When viewed from above, the earthing switch is located at than the relay closer to the position of the battery.
8. engineering machinery according to claim 6, it is characterised in that:
When viewed from above, the earthing switch is located at than the relay closer to the position of the battery.
9. engineering machinery according to claim 1, it is characterised in that:
The holding member includes
Cover mounting portion installs the cover member in such a way that the cover member can be removed from the holding member；And
Covering wall covers the relay and the earthing switch from side,
The cover member includes side wall, which covers the relay and the earthing switch from the side,
In the state that the cover member is installed on the cover mounting portion, the covering wall and the side wall surround the relay
With the entire surrounding of the earthing switch.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-010971 | 2014-01-24 | ||
| JP2014010971A JP5983642B2 (en) | 2014-01-24 | 2014-01-24 | Construction machinery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104805879A CN104805879A (en) | 2015-07-29 |
| CN104805879B true CN104805879B (en) | 2019-07-23 |
Family
ID=53691047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510035604.4A Active CN104805879B (en) | 2014-01-24 | 2015-01-23 | Engineering machinery |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5983642B2 (en) |
| CN (1) | CN104805879B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6914660B2 (en) * | 2016-01-25 | 2021-08-04 | 住友建機株式会社 | Excavator |
| JP7128164B2 (en) * | 2019-09-27 | 2022-08-30 | 日立建機株式会社 | construction machinery |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1319865A (en) * | 2000-01-28 | 2001-10-31 | 埃利斯塔替续器股份有限公司 | Force-guided safety relay, use thereof, and control device having said relay |
| CN203172423U (en) * | 2012-03-13 | 2013-09-04 | 神钢建设机械株式会社 | Upper rotary body and engineering machine provided with same |
| CN203233628U (en) * | 2013-02-25 | 2013-10-09 | 华为终端有限公司 | Mobile terminal |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070131466A1 (en) * | 2005-12-12 | 2007-06-14 | Gutzwiller Timothy M | Work machine with electrical and hydraulic service centers |
| JP5029008B2 (en) * | 2006-12-27 | 2012-09-19 | コベルコ建機株式会社 | Construction machine starter switch |
-
2014
- 2014-01-24 JP JP2014010971A patent/JP5983642B2/en active Active
-
2015
- 2015-01-23 CN CN201510035604.4A patent/CN104805879B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1319865A (en) * | 2000-01-28 | 2001-10-31 | 埃利斯塔替续器股份有限公司 | Force-guided safety relay, use thereof, and control device having said relay |
| CN203172423U (en) * | 2012-03-13 | 2013-09-04 | 神钢建设机械株式会社 | Upper rotary body and engineering machine provided with same |
| CN203233628U (en) * | 2013-02-25 | 2013-10-09 | 华为终端有限公司 | Mobile terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2015137514A (en) | 2015-07-30 |
| CN104805879A (en) | 2015-07-29 |
| JP5983642B2 (en) | 2016-09-06 |
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