CN102635136A - Working machine - Google Patents
Working machine Download PDFInfo
- Publication number
- CN102635136A CN102635136A CN2011104080548A CN201110408054A CN102635136A CN 102635136 A CN102635136 A CN 102635136A CN 2011104080548 A CN2011104080548 A CN 2011104080548A CN 201110408054 A CN201110408054 A CN 201110408054A CN 102635136 A CN102635136 A CN 102635136A
- Authority
- CN
- China
- Prior art keywords
- cover
- axle
- handle
- upholstery
- operating means
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/2004—Control mechanisms, e.g. control levers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K20/00—Arrangement or mounting of change-speed gearing control devices in vehicles
- B60K20/02—Arrangement or mounting of change-speed gearing control devices in vehicles of initiating means
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
- G05G25/00—Other details or appurtenances of control mechanisms, e.g. supporting intermediate members elastically
- G05G25/04—Sealing against entry of dust, weather or the like
Abstract
The invention provides a working machine which is not liable to make an operator holding a handle feel uncomfortable due to the heat transmitted to a shaft, and helps to guarantee fine operability. The structure of the working machine is that a first operation device (7) for operating a working device (3) comprises: a pilot valve (14) for generation of pilot pressure; a decorative cover (30) that covers the pilot valve (14); a shaft (11) that protrudes upward from the slit (37) of the decorative cover (30) and is used for operating the pilot valve (14); a handle (10) arranged on the upper side of the shaft (11); a protection cover (13) that covers a part of the shaft (11) below the decorative cover (30); and a shaft cover (12), wherein the upper end of the shaft cover (12) is connected on the handle (10), the lower end of the shaft cover (12) is placed under the decorative cover (30), and the shaft (11) between the handle (10) and the protection cover (13) is partially covered. A second operation device (8) has the same structure with the first operation device (7).
Description
Technical field
The present invention relates to have the Work machine of the wheel loader, hydraulic crawler excavator etc. of the operating means that apparatus for work is operated.
Background technology
As this prior art, disclosed by patent documentation 1.In the patent documentation 1, disclosing the action bars that a kind of engineering machinery etc. had is operating means.This operating means has: generate the pilot valve be used to make the first pilot that apparatus for work drives; To this pilot valve operate the axle; The grip part that is located on this upper portion is a handle.In addition, this operating means also has: the cover of upholstery that is provided with the mode that covers pilot valve; To cover the protective cover that is provided with to described outstanding mode of top from this cover of upholstery.
In addition; Described patent documentation 1 disclosed existing operating means; It constitutes, and is provided with the protective cover that covers axle at the upside of the cover of upholstery that covers pilot valve, but in existing Work machine; What also have has a following operating means: the axle of operated pilot valve is provided with the mode of exposing to the top from the slit that is located on the cover of upholstery, and the mode of below part of axle that is positioned at the downside of cover of upholstery with covering is provided with protective cover.
Patent documentation 1: TOHKEMY 2003-122441 communique
Be fed into the pilot valve of operating means and be used to generate the pilot pressure oil of first pilot, its temperature is followed the driving of the Work machine with operating means and is risen, and becomes high temperature.The heat of this pilot pressure oil is delivered to axle from pilot valve.Therefore; In the above-mentioned latter's prior art, promptly in the prior art that axle is provided with the mode of above cover of upholstery, exposing; When the operator grips handle or under the state that has gripped; Sometimes operator's hand can contact with near the part of the axle of heating being positioned at handle, because of this heat is brought sense of discomfort to the operator.
In order to tackle such situation; Consider following structure: the part of the axle of the downside of cover of upholstery is increased; And the protective cover that has increased height dimension with the mode of the integral body that covers this part that increases is set; Make from the heat of pilot valve transmission the protective cover that has increased height dimension, to be absorbed, thereby can suppress the heat on the part that is delivered near the axle of handle lower.But if so constitute, the length dimension of then whole axle is elongated, and pilot valve is directed against the response variation of the swinging operation of axle, thereby can cause the operability of this operating means to worsen.
Summary of the invention
The present invention makes in view of described present situation of the prior art; Its purpose is to provide a kind of Work machine; Downside configuration protective cover in cover of upholstery can not bring the sense of discomfort that produces because of the heat that is delivered on the axle to the operator of gripping handle, can guarantee good operability.
In order to realize this purpose, Work machine of the present invention has: apparatus for work; The vehicle body of this apparatus for work is installed; Be located at the driver's cabin on this vehicle body; The operating means that is configured in this driver's cabin and said apparatus for work is operated, said operating means has: the pilot valve that generates the first pilot that is used to drive said apparatus for work; The cover of upholstery that is provided with the mode that covers this pilot valve; And axle can in the mode of with the shape of said slit corresponding fore-and-aft direction or left and right directions swinging to be provided with, to follow swing said pilot valve operated outstanding to the top from the slit of this cover of upholstery; Be located at the handle on this upper portion; To be positioned at the protective cover that the part of said axle of the below of said cover of upholstery covers; It is characterized in that: said operating means has the axle cover; The upper end of this cover arrives said handle position; The lower end is positioned at the below of said cover of upholstery, and the part of the said axle between said handle and the said protective cover is covered.
The present invention who constitutes like this because part outstanding to the top from the slit of cover of upholstery and that arrive the axle of handle covered by the axle cover, so the heat that is delivered on the axle is blocked through the axle cover, the operator's of gripping handle hand can be not directly and being coupling of heat conduction touch.Therefore, considering under the situation that has reduced the temperature that is delivered to the heat on the axle that length dimension that will this axle is set longlyer.Thus, the response of pilot valve can be kept, good operability can be guaranteed with respect to the swinging operation of axle.That is, dispose protective cover, can not bring the sense of discomfort that produces because of the heat that is delivered on the axle to the operator of gripping handle, can guarantee good operability at the downside of cover of upholstery
In addition, the present invention is characterized in that in technique scheme, is provided with the connect mechanism that links said handle and said axle cover.
The present invention who constitutes like this can be firmly held in the axle cover on the handle with the mode that does not come off via connect mechanism.
In addition; The present invention is characterized in that in technique scheme, on said axle, forms external thread part; The internal thread part that the external thread part of formation and said axle screws togather on said handle; And said axle cover has: necking part, and it is formed on the position relative with the circumference of the said slit of said cover of upholstery; Extension part, it is positioned at the below of said cover of upholstery, form with the mode that covers nut, said nut be formed on the installation site that said external thread part on the said axle screwed togather and determined said handle.
The present invention who constitutes like this is provided with necking part on the axle cover, thus, can suppress the width dimensions of the slit of cover of upholstery less.In addition, when linking handle with the axle cover via connect mechanism, make extension part and nut butt, said nut is screwed on the external thread part of the axle that is positioned at a downside of the extension part of cover, thereby can handle be fixed on the position of regulation with respect to axle.
In addition, the present invention is characterized in that in technique scheme, on said handle, is provided with switch.
The present invention who constitutes like this, that can carry out with gripping handle additionally carries out various other controls through the operation that is located at the switch on the handle based on the operation of the apparatus for work of operating means.
In addition, the present invention is in technique scheme, and said axle cover has the wire harness hole of the wire harness insertion that supplies to be connected on the said switch.
The present invention who constitutes like this can make wire harness be inserted into the inside of this cover from the wire harness hole of axle cover, and further insert it into the inside of handle.That is, can limit the activity of wire harness through the axle cover, and, can not make wire harness drop out outside at axle cover and handle.
The effect of invention
Structure of the present invention is: operating means has the axle cover; The upper end of this cover arrives the handle position on the upper portion that is located at the axle that pilot valve is operated; Its lower end is positioned at the below of cover of upholstery, and will cover in the part of the axle between the protective cover of part below handle and the covering axle.Through this structure; The present invention considers the situation of the temperature that reduces the heat that is delivered near the shaft portion of handle; The length dimension of the axle that will in the past do not considered is set longlyer; Downside configuration protective cover in cover of upholstery can not bring the sense of discomfort that produces because of the heat that is delivered on the axle to the operator of gripping handle, can guarantee good operability.Thus, the present invention can bring the operator comfortable operation thoughts and feelings.
Description of drawings
Fig. 1 is a lateral view that embodiment is a wheel loader of expression Work machine of the present invention.
Fig. 2 is the stereogram of internal construction of the driver's cabin of expression wheel loader shown in Figure 1.
Fig. 3 is the major part enlarged drawing of Fig. 2.
Fig. 4 is the exploded perspective view of operating means shown in Figure 2.
Fig. 5 is an operating means longitudinal section partly shown in Figure 2.
Fig. 6 is an operating means vertical view partly shown in Figure 2.
Fig. 7 is the figure of the expression handle that operating means had shown in Figure 2, and Fig. 7 (a) is a front view, and Fig. 7 (b) is a left side view, and Fig. 7 (c) is a right side view, and Fig. 7 (d) is a vertical view, and Fig. 7 (e) is a stereogram.
Fig. 8 is the figure of expression axle cover shown in Figure 2, and Fig. 8 (a) is the stereogram of axle cover, and Fig. 8 (b) is the vertical view of the top annulus portion of axle cover.
The stereogram of Fig. 9 cover of upholstery that to be expression partly cover the pilot valve of operating means shown in Figure 2.
Figure 10 is the figure that representes to remove from state shown in Figure 2 the state of cover of upholstery, and Figure 10 (a) is the stereogram of observing from a direction, and Figure 10 (b) is the stereogram of observing from another direction.
The explanation of Reference numeral
1 vehicle body
The 1a front-wheel
The 1b trailing wheel
2 driver's cabins
3 apparatus for work
The 3a dipper
The 3b scraper bowl
4 substrates
5 driver seats
6 consoles
7 first operating means
8 second operating means
10 handles
10a slot part (connect mechanism)
11
12 covers
12a top annulus portion
12a1 jut (connect mechanism)
The 12a2 axis hole
12a3 wire harness hole
12b bottom extension part
12b1 wire harness hole
The 12c necking part
13 protective covers
14 pilot valves
20 handles
21
22 covers
23 protective covers
24 pilot valves
30 cover of upholstery
31 wire harness
32 wire harness
37 slits
The 37a large-diameter portion
The 37b circumference
38 slits
39 slits
40 first switches
41 second switches
50 first switches
51 second switches
The specific embodiment
Below, describe according to the embodiment of accompanying drawing Work machine of the present invention.
An embodiment of Work machine of the present invention is a wheel loader for example.This wheel loader, as shown in Figure 1, have vehicle body 1, this vehicle body 1 has front-wheel 1a and trailing wheel 1b, and this vehicle body 1 is provided with driver's cabin 2.In addition, the forward position at the driver's cabin 2 of vehicle body 1 is equipped with apparatus for work 3.This apparatus for work 3 has: the mode can above-below direction to rotate is installed in the dipper 3a on the vehicle body 1; Drive the dipper cylinder 3a1 of this dipper 3a; With the mode of can above-below direction rotating be installed in dipper 3a front end, carry out the scraper bowl 3b of the digging operation etc. of native sand; Drive the scraper bowl cylinder 3b1 of this scraper bowl 3b.
Like Fig. 2, shown in 3, driver's cabin 2 has the substrate 4 that forms the bottom, and driver seat 5 carries on this substrate 4.Driver seat 5 laterally be provided with console 6, for example make dipper 3a to apparatus for work 3 carry out first operating means 7 of rotating operation and second operating means 8 that scraper bowl 3a carries out rotating operation remained on this console 6.
Like Fig. 4, shown in 5; First operating means 7 has: pilot valve 14; Its generation is used to drive the first pilot of dipper 3a, promptly generates not shown dipper is carried out the first pilot of handover operation with directional control valve, and said dipper is controlled the action of the dipper cylinder 3a1 that drives dipper 3a with directional control valve; Cover of upholstery 30, it is provided with the mode that covers this pilot valve 14, and the surface is the curved surface shape.In addition; First operating means 7 has axle 11; This is 11 outstanding to the top from the slit 37 of cover of upholstery 30; Mode swinging on according to the fore-and-aft direction of the shape of this slit 37 or left and right directions is provided with, and this 11 is provided with the mode that can on fore-and-aft direction, swing under the present case, and this axle 11 is followed swing and pilot valve 14 is operated.In addition, first operating means 7 has the handle 10 on the upper portion that is installed in axle 11.On axle 11, be formed with external thread part, on the lower portion of handle 10, be formed with the internal thread part that screws togather with axle 11 external thread part.In addition, as shown in Figure 5, have protective cover 13 with the axle 11 parts covering of the below that is positioned at cover of upholstery 30.
First operating means 7 in this embodiment like Fig. 4, shown in 5, has axle cover 12, and the upper end of this cover 12 arrives the position of handle 10, and the lower end is positioned at the below of cover of upholstery 30, and the part of the axle 11 between handle 10 and the protective cover 13 is covered.
Second operating means 8 also likewise constitutes with first operating means 7.Promptly; Like Fig. 4, shown in 5; Second operating means 8 has pilot valve 24, and its generation is used to drive the first pilot of scraper bowl 3b, promptly generates not shown scraper bowl is carried out the first pilot of handover operation with directional control valve, and said scraper bowl is controlled the action of the scraper bowl cylinder 3b1 that drives scraper bowl 3b with directional control valve; And, also have with the mode that covers this pilot valve 24 be provided with, the surface is for curved cover of upholstery 30.In addition, second operating means 8 has axle 21, and this is 21 outstanding to the top from the slit 38 of cover of upholstery 30, and with can with the corresponding fore-and-aft direction of the shape of this slit 38 on the mode of swinging be provided with, follow swing and pilot valve 24 operated.In addition, second operating means 8 has the handle 20 on the upper portion that is installed in axle 21.On axle 21, be formed with external thread part, be formed with the internal thread part that the external thread part with axle 21 screws togather in the lower portion of handle 20.In addition, as shown in Figure 5, have protective cover 23 with the axle 21 parts covering of the below that is positioned at cover of upholstery 30.
Second operating means 8 in this embodiment also like Fig. 4, have axle cover 22 shown in 5, the upper end of this cover 22 arrives the position of handle 20, the lower end is positioned at the below of cover of upholstery 30, and the part of the axle 21 between handle 20 and the protective cover 23 is covered.
As stated because first operating means 7 is identical with the structure of second operating means 8, so, below main structure to first operating means 7 describe.
As shown in Figure 7, the handle 10 of first operating means 7 for example has first switch 40 that alarm tone takes place at the top, has running at high speed and running at a low speed the second switch 41 that switches at a side sidepiece.In addition, be formed with the groove 10a of ring-type at the lower portion branch.
As shown in Figure 8; The axle cover 12 of first operating means 7 for example is made up of the synthetic resin that has elasticity and heat resistance and have a heat insulating function; Has the 12a of top annulus portion at upside; Have the bottom extension part 12b bigger at downside, have necking part 12c at the middle body between top annulus 12a of portion and bottom extension part 12b than the top annulus 12a of portion diameter.Shown in Fig. 8 (b), in the 12a of the top of axle cover 12 annulus portion, be formed with the jut 12a1 of ring-type, the jut 12a1 of this ring-type is embedded among the slot part 10a that is formed on the described handle 10.Through the jut 12a1 of this cover 12 and the slot part 10a of handle 10, constitute the connect mechanism that handle 10 and axle cover 12 are linked.
In addition, in the 12a of the top of axle cover 12 annulus portion, be formed with the axis hole 12a2 that supplies axle 11 insertions and supply to be connected the wire harness 31 of being located at first, second switch 40,41 on the handle 10 and insert wire harness hole 12a3.Fig. 6 representes to remove the state after the cover of upholstery 30, shows the wire harness 31 on first, second switch 40,41 of the handle 10 that is connected first operating means 7.In addition, in this Fig. 6, also show wire harness 32, this wire harness 32 is connected on first, second switch 50,51 on the handle 20 of being located at second operating means 8.In addition, among Fig. 6, the handle 20 of second operating means 8 illustrates with the mode that the part at top is removed.
In addition, the necking part 12c of the axle cover 12 shown in Fig. 8 (a) is formed on the position relative with the circumference 37b of the slit 37 of cover of upholstery shown in Figure 9 30.Here, the handle 10 of first operating means 7 and axle 11 are operated with the mode of describing circular-arc track with respect to pilot valve 14.Accompany therewith, the surface of cover of upholstery 30 forms the curved surface shape of having considered described circular-arc track.In addition, the lower shape of necking part 12c of the axle cover 12 of slit 37 parts that are positioned at cover of upholstery 30 is formed considered the circular shape of described circular-arc track.Like this, through necking part 12c is formed circular shape, even first operating means 7 is operated, axle cover 12 can not interfere with cover of upholstery 30 yet, and it is mobile swimmingly on the slit 37 of cover of upholstery 30 that axle cover 12 and first operating means 7 one is coexisted.
In addition, the bottom extension part 12b of the axle cover 12 shown in Fig. 8 (a) is provided with the mode that not shown nut is covered, thereby this not shown nut screws togather the installation site that determines handle 10 with the external thread part that is formed as described above on axle 11.As shown in Figure 5, under the state that axle cover 12 has been installed, the upper surface butt of the bottom extension part 12b of axle cover 12 and not shown nut.Shown in Fig. 8 (a), on the extension part 12b of the bottom of axle cover 12, also be provided with the wire harness hole 12b1 that supplies wire harness 31 to insert.
Among Figure 10; Though removed cover of upholstery 30, in this Figure 10 (b), following state has been shown: the wire harness 32 that is connected on first, second switch 50,51 on the handle 20 of being located at second operating means 8 is inserted in the axle cover 22 from the wire harness hole on the bottom extension part that is located at axle cover 22.In addition, in this Figure 10, removed the axle cover 11 of first operating means 7.
As shown in Figure 9, cover of upholstery 30 slit 38 that described slit 37, the axle 21 that supplies second operating means 8 and the axle cover 22 that inserts except the axle 11 that supplies first operating means 7 and axle cover 12 inserts, also has slit 39.Though not shown, in this slit 39, can insert for example other operating means equally.Be formed with large-diameter portion 37a etc. at these slits 37,38,39 middle position separately.These large-diameter portions 37a etc. are provided with the neutral position of operating means 7 grades respectively accordingly, and, be the part of being utilized when operating means 7 grades are assembled.
For example when assembling first operating means 7, under the state of removing cover of upholstery 30, axle 11 shown in Figure 4 is installed on the pilot valve shown in Figure 5 14, and protective cover 13 is installed with the mode that covers this below part of 11.Then, the not shown nut that is used to locate that makes handle 10 is screwed on axle 11 with the mode of the position that is positioned at regulation.
Then, axle cover 12 is inserted on the axle 11 via its axis hole 12a2, this cover 12 is installed with the mode of will the be described not shown nut covering of the bottom extension part 12b of axle cover 12.Then, so that the 12a of top annulus portion of axle 11 and axle cover 12 installs cover of upholstery 30 from the outstanding mode of the large-diameter portion 37a of the slit 37 of cover of upholstery 30.
Then; Handle 10 is screwed on the axle 11; And handle 10 rotation is descended, the lower end through this handle 10 pushes with the mode of resisting its elastic force and deflection axle cover 12, and the jut 12a1 of the 12a of top annulus portion of axle cover 12 is embedded among the slot part 10a of handle 10.Thus, handle 10 is positioned via axle cover 12 and is fixed on the axle 11, and the basic assembling of first operating means 7 finishes.
The assembling of second operating means 8 is carried out similarly.The wire harness hole 12b1, the 12a3 that are connected the assembling utilization axle cover 12 of the wire harness 31 on first, second switch 40,41 of handle 10 of first operating means 7 carry out.The assembling that is connected the wire harness 32 on first, second switch 50,51 of handle 20 of second operating means 8 utilizes a wire harness hole that is formed on the axle cover 22 to carry out similarly.
If gripping the handle 10 of for example first operating means 7 that assembles like this and it swung on fore-and-aft direction; The first pilot that is then generated by pilot valve 14 is supplied to the control room of not shown dipper with directional control valve, and this not shown dipper is switched with directional control valve.Thus, the pressure oil that never illustrated hydraulic pump is discharged is supplied to dipper cylinder 3a1 shown in Figure 1 via not shown dipper with directional control valve, thereby this dipper cylinder 3a1 action dipper 3a rotates on above-below direction.In addition, if gripping the handle 20 of second operating means 8 and it is swung on fore-and-aft direction, the first pilot that is then generated by pilot valve 24 is supplied to the control room of not shown scraper bowl with directional control valve, and this not shown scraper bowl is switched with directional control valve.Thus, the pressure oil that never illustrated hydraulic pump is discharged is supplied to scraper bowl cylinder 3b1 shown in Figure 1 via not shown scraper bowl with directional control valve, thereby this scraper bowl cylinder 3b1 action scraper bowl 3b rotates on above-below direction.Through the action of such dipper 3a and scraper bowl 3b, thereby through driving front-wheel 1a, trailing wheel 1b vehicle body is gone in addition, can implement the digging operation of native sand etc.
This embodiment according to above-mentioned such formation; For example with regard to first operating means 7; Because it is outstanding and covered by axle cover 12 to the top up to the part of the axle 11 of handle 10 from cover of upholstery 30; So, be accompanied by the intensification of pilot pressure oil, the heat that is passed to axle 11 via pilot valve 14 is blocked through axle cover 12.Therefore, operator's the hand that be landed on the driver seat 5, grips the handle 10 of first operating means 7 can directly not touch the axle 11 of heating.Therefore, consider the temperature that is delivered to the heat of axle on 11 reduced, can not will the length dimension of this axle 11 set longlyer.Thus, the good response of pilot valve 14 can be kept, good operability can be guaranteed with respect to the swinging operation of axle 11.That is, dispose in the structure of protective cover 13, can not bring the sense of discomfort that produces because of the heat that is delivered on the axle 11, can guarantee good operability, can bring comfortable operation thoughts and feelings to the operator to the operator of gripping handle 10 at the downside of cover of upholstery 30.
In addition; Via connect mechanism, promptly via the mutual binding of jut 12a1 of the 12a of top annulus portion of the slot part 10a of handle 10 and axle cover 12; Can axle cover 12 be firmly held on the handle 10 with the mode that can not come off, can realize first operating means 7 that reliability is high.
In addition, through necking part 12c is set on axle cover 12, can suppress the width dimensions of the slit 37 of cover of upholstery 30 less.Thus, can stop the maximization of axle cover 3 sides.In addition; Linking handle 10 and axle cover 12 o'clock via slot part 10a and jut 12a1; As stated, bottom extension part 12a is connected on the not shown nut, this not shown nut is screwed on the external thread part of axle 11 of downside of the bottom extension part 12b that is positioned at axle cover 12, thus; Can handle 10 be fixed on the position of regulation with respect to axle 11, the positioning accuracy the during installation that can improve handle 10.
In addition; Owing on handle 10, be provided with first, second switch 40,41; So; Can with gripping handle 10 carried out based on the operation of the dipper 3a of the apparatus for work 3 of first operating means 7 additionally, through to being located at various other the controls of switching controls that first, second switch 40,41 on the handle 10 operates the generation of carrying out alarm tone, runs at high speed and run at a low speed etc., can improve the control performance of this wheel loader.
In addition, can make the wire harness 31 on first, second switch 40,41 that is connected handle 10 be inserted into the inside of axle cover 12, and make it further be inserted into the inside of handle 10 from wire harness hole 12b1, the 12a3 of axle cover 12.That is, can make wire harness 31 not expose outside at axle cover 12 and handle 10.Thus, can cover the activity that the wire harness 31 of axle 11 swinging operation is followed in 12 restrictions through axle, and wire harness can not expose, can guarantee the good aesthetic property of first operating means 7 to the top of cover of upholstery 30.
In addition, the action effect to first operating means 7 in the preceding text is illustrated, because second operating means 8 is structures same with first operating means 7, so second operating means 8 also can access the action effect same with first operating means 7.
Claims (5)
1. a Work machine has: apparatus for work; The vehicle body of this apparatus for work is installed; Be located at the driver's cabin on this vehicle body; The operating means that is configured in this driver's cabin and said apparatus for work is operated,
Said operating means has: the pilot valve that generates the first pilot be used to drive said apparatus for work; The cover of upholstery that is provided with the mode that covers this pilot valve; And axle can in the mode of with the shape of said slit corresponding fore-and-aft direction or left and right directions swinging to be provided with, to follow swing said pilot valve operated outstanding to the top from the slit of this cover of upholstery; Be located at the handle on this upper portion; To be positioned at the protective cover that the part of said axle of the below of said cover of upholstery covers, it is characterized in that:
Said operating means has the axle cover, and the upper end of this cover arrives said handle position, and the lower end is positioned at the below of said cover of upholstery, and the part of the said axle between said handle and the said protective cover is covered.
2. Work machine as claimed in claim 1 is characterized in that,
Be provided with the connect mechanism that links said handle and said axle cover.
3. Work machine as claimed in claim 2 is characterized in that,
On said axle, form external thread part, the internal thread part that the external thread part of formation and said axle screws togather on said handle, and,
Said axle cover has: necking part, and it is formed on the position relative with the circumference of the said slit of said cover of upholstery; Extension part, it is positioned at the below of said cover of upholstery, form with the mode that covers nut, said nut be formed on the installation site that said external thread part on the said axle screwed togather and determined said handle.
4. like each described Work machine of claim 1～3, it is characterized in that,
On said handle, switch is set.
5. Work machine as claimed in claim 4 is characterized in that,
Said axle cover has the wire harness hole of the wire harness insertion that supplies to be connected on the said switch.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011026174A JP5566313B2 (en) | 2011-02-09 | 2011-02-09 | Work machine |
| JP2011-026174 | 2011-02-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102635136A true CN102635136A (en) | 2012-08-15 |
| CN102635136B CN102635136B (en) | 2016-07-06 |
Family
ID=46619703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110408054.8A Active CN102635136B (en) | 2011-02-09 | 2011-12-06 | Work machine |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5566313B2 (en) |
| KR (1) | KR101741275B1 (en) |
| CN (1) | CN102635136B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2023082323A (en) * | 2021-12-02 | 2023-06-14 | 株式会社小松製作所 | Cab and work machine |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0853859A (en) * | 1994-08-10 | 1996-02-27 | Yutani Heavy Ind Ltd | Travelling pedal for construction machine |
| JPH1077658A (en) * | 1996-07-31 | 1998-03-24 | Samsung Heavy Ind Co Ltd | Safety lever apparatus and its usage |
| US6450278B1 (en) * | 1999-08-03 | 2002-09-17 | Kobelco Construction Machinery Co., Ltd. | Construction machine with a duct for hydraulic hoses |
| JP2003184131A (en) * | 2001-12-19 | 2003-07-03 | Hitachi Constr Mach Co Ltd | Operation equipment for construction machinery |
| JP3478204B2 (en) * | 1999-10-07 | 2003-12-15 | コベルコ建機株式会社 | Control piping structure for small construction machinery |
| JP2007154444A (en) * | 2005-12-01 | 2007-06-21 | Komatsu Ltd | Cab for construction machinery |
| JP4229224B2 (en) * | 1999-08-03 | 2009-02-25 | 株式会社小松製作所 | Hydraulic excavator work machine operating device |
| JP2009277070A (en) * | 2008-05-15 | 2009-11-26 | Caterpillar Japan Ltd | Cover for operator device, and operation valve device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58129227U (en) * | 1982-02-26 | 1983-09-01 | 日本プラスト株式会社 | Automotive shift lever boots |
| JPS6095627U (en) * | 1983-12-07 | 1985-06-29 | 三菱自動車工業株式会社 | Shift lever with switch |
| JPH032049Y2 (en) * | 1986-06-30 | 1991-01-21 | ||
| JPH0633216U (en) * | 1992-09-25 | 1994-04-28 | 株式会社クボタ | Operation lever structure |
-
2011
- 2011-02-09 JP JP2011026174A patent/JP5566313B2/en active Active
- 2011-12-06 CN CN201110408054.8A patent/CN102635136B/en active Active
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- 2012-01-09 KR KR1020120002370A patent/KR101741275B1/en active IP Right Grant
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0853859A (en) * | 1994-08-10 | 1996-02-27 | Yutani Heavy Ind Ltd | Travelling pedal for construction machine |
| JPH1077658A (en) * | 1996-07-31 | 1998-03-24 | Samsung Heavy Ind Co Ltd | Safety lever apparatus and its usage |
| US6450278B1 (en) * | 1999-08-03 | 2002-09-17 | Kobelco Construction Machinery Co., Ltd. | Construction machine with a duct for hydraulic hoses |
| JP4229224B2 (en) * | 1999-08-03 | 2009-02-25 | 株式会社小松製作所 | Hydraulic excavator work machine operating device |
| JP3478204B2 (en) * | 1999-10-07 | 2003-12-15 | コベルコ建機株式会社 | Control piping structure for small construction machinery |
| JP2003184131A (en) * | 2001-12-19 | 2003-07-03 | Hitachi Constr Mach Co Ltd | Operation equipment for construction machinery |
| JP2007154444A (en) * | 2005-12-01 | 2007-06-21 | Komatsu Ltd | Cab for construction machinery |
| JP2009277070A (en) * | 2008-05-15 | 2009-11-26 | Caterpillar Japan Ltd | Cover for operator device, and operation valve device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012164280A (en) | 2012-08-30 |
| CN102635136B (en) | 2016-07-06 |
| JP5566313B2 (en) | 2014-08-06 |
| KR101741275B1 (en) | 2017-05-29 |
| KR20120092011A (en) | 2012-08-20 |
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