CN102635136B - Work machine - Google Patents
Work machine Download PDFInfo
- Publication number
- CN102635136B CN102635136B CN201110408054.8A CN201110408054A CN102635136B CN 102635136 B CN102635136 B CN 102635136B CN 201110408054 A CN201110408054 A CN 201110408054A CN 102635136 B CN102635136 B CN 102635136B
- Authority
- CN
- China
- Prior art keywords
- axle
- cover
- handle
- operation device
- decorative cover
- 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.)
- Active
Links
Classifications
-
- 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
-
- 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
-
- 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
-
- 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 present invention provides a kind of Work machine, the operator of gripping handle will not be brought the sense of discomfort produced because being delivered to the heat on axle, it can be ensured that good operability.The present invention is following structure: the first operation device (7) that apparatus for work (3) is operated has: generate the pilot valve (14) of first pilot；Cover the Decorative Cover (30) of this pilot valve (14)；Highlight upward from the slit (37) of this Decorative Cover (30), and the axle (11) that pilot valve (14) is operated；It is located at the handle (10) of the upper portion of this axle (11)；Will be located in the protective cover (13) that the part of the axle (11) of the lower section of Decorative Cover (30) covers, and, there is axle cover (12), the upper end of this axle cover (12) is attached at handle (10) upper and lower end and is positioned at the lower section of Decorative Cover (30), and the part of the axle (11) between handle (10) and protective cover (13) is covered.Second operation device (8) has the structure same with the first operation device (7).
Description
Technical field
The present invention relates to the Work machine with the operation wheel loader of device, hydraulic crawler excavator etc. that apparatus for work is operated.
Background technology
As this prior art, by disclosed in patent documentation 1.In patent documentation 1, disclose the action bars that a kind of engineering machinery etc. has and namely operate device.This operation device has: generate the pilot valve for the first pilot making apparatus for work drive；The axle that this pilot valve is operated；It is located at the grip part on the upper portion of this axle and handle.It addition, this operation device also has: the Decorative Cover arranged in the way of covering pilot valve；The protective cover arranged in the way of covering the axle described in highlighting upward from this Decorative Cover.
In addition, existing operation device disclosed in described patent documentation 1, consist of, the protective cover covering axle it is provided with in the upside of the Decorative Cover covering pilot valve, but in existing Work machine, what also have has following operation device: make the axle of operated pilot valve arrange in the way of exposing upward from the slit being located in Decorative Cover, arranges protective cover in the way of covering the section below of the axle of the downside being positioned at Decorative Cover.
Patent documentation 1: Japanese Unexamined Patent Publication 2003-122441 publication
It is fed into the pilot valve of operation device and for generating the pilot pressure oil of first pilot, being driven up of the adjoint Work machine with operation device of its temperature, and becomes high temperature.The heat of this pilot pressure oil is delivered to axle from pilot valve.Therefore, prior art in the above-mentioned latter, namely by axle in the prior art arranged in the way of exposed above to Decorative Cover, when handle is gripped by operator or when gripping, sometimes operator with the part contact of the axle of the heating being positioned near handle, can be brought sense of discomfort because of this heat by the hands of operator.
In order to tackle such situation, consider following structure: the part of the axle of the downside of Decorative Cover increased, and in the way of the entirety to cover this part increased is set, add the protective cover of height dimension, the heat from pilot valve transmission is made to be absorbed the protective cover add height dimension such that it is able to the heat being transferred in the part of the axle near handle suppresses relatively low.But, constituting if so, then the length dimension of whole axle is elongated, and pilot valve is deteriorated for the response of the swinging operation of axle, thus can cause that the operability of this operation device worsens.
Summary of the invention
The present invention makes in view of described present situation of the prior art, its object is to provide a kind of Work machine, configure protective cover in the downside of Decorative Cover, the operator of gripping handle will not be brought the sense of discomfort produced because being delivered to the heat on axle, it can be ensured that good operability.
In order to realize this purpose, the Work machine of the present invention, have: apparatus for work；The vehicle body of this apparatus for work is installed；It is located at the driver's cabin on this vehicle body；The operation device being arranged in this driver's cabin and described apparatus for work is operated, described operation device has: generate the pilot valve being used for driving the first pilot of described apparatus for work；The Decorative Cover arranged in the way of covering this pilot valve；From the slit of this Decorative Cover axle that is prominent and that can arrange in the way of fore-and-aft direction corresponding with the shape of described slit or right and left are swung up, with swing, described pilot valve is operated upward；It is located at the handle on the upper portion of this axle；Will be located in the protective cover that the part of the described axle of the lower section of described Decorative Cover covers, it is characterized in that: described operation device has axle cover, the upper end of this axle cover arrives described handle position, lower end is positioned at the lower section of described Decorative Cover, and the part of the described axle between described handle and described protective cover is covered.
The present invention so constituted, owing to the part of axle that is prominent upward from the slit of Decorative Cover and that arrive handle is covered lid by axle, so, the heat being delivered on axle is blocked by axle cover, and the hands of the operator of gripping handle will not directly contact with the axle of heat conduction.Therefore, when considering the temperature reducing the heat being delivered on axle, it is not necessary to the length dimension of this axle is set to longer.Thereby, it is possible to maintain the pilot valve response relative to the swinging operation of axle, it can be ensured that good operability.That is, it is configured with protective cover in the downside of Decorative Cover, the operator of gripping handle will not be brought the sense of discomfort produced because being delivered to the heat on axle, it can be ensured that good operability
It addition, the present invention is in technique scheme, it is characterised in that be provided with the link mechanism linking described handle and described axle cover.
The present invention so constituted, can be firmly held in axle cover on handle in the way of not falling off via linking mechanism.
Additionally, the present invention is in technique scheme, it is characterized in that, form external thread part on the shaft, described handle is formed the internal thread part that the external thread part with described axle screws togather, further, described axle cover has: necking part, and it is formed on the position relative with the circumference of the described slit of described Decorative Cover；Extension part, it is positioned at the lower section of described Decorative Cover, is formed in the way of covering nut, and described nut screws togather with the described external thread part formed on the shaft and determines the installation site of described handle.
The present invention so constituted, is provided with necking part, thereby, it is possible to suppress less by the width dimensions of the slit of Decorative Cover on axle cover.It addition, via when linking mechanism's link handle and axle cover, make extension part abut with nut, described nut is screwed on the external thread part of the axle of the downside of the extension part being positioned at axle cover such that it is able to be fixed on the position of regulation relative to axle by handle.
It addition, the present invention is in technique scheme, it is characterised in that be provided with switch on described handle.
The present invention so constituted, it is possible to additionally performed other control various by the operation of the switch that is located on handle with gripping handle and the operation of the apparatus for work based on operation device that carries out.
It addition, the present invention is in technique scheme, described axle cover has the wire harness hole inserted for the wire harness being connected on described switch.
The present invention so constituted, it is possible to make wire harness be inserted into the inside of this axle cover from the wire harness hole of axle cover, and be inserted into the inside of handle further.Namely, it is possible to limited the activity of wire harness by axle cover, and, wire harness will not be made to drop out the outside at axle cover and handle.
The effect of invention
The structure of the present invention is: operation device has axle cover, the upper end of this axle cover arrives the handle position being located on the upper portion of the axle that pilot valve is operated, its lower end is positioned at the lower section of Decorative Cover, and will be located in handle and cover axle section below protective cover between the part of axle cover.By this structure, the present invention considers to reduce the situation of the temperature of the heat being delivered to the shaft portion near handle, need not the length dimension of conventional considered axle be set to longer, protective cover is configured in the downside of Decorative Cover, the operator of gripping handle will not be brought the sense of discomfort produced because being delivered to the heat on axle, it can be ensured that good operability.Thus, the present invention can bring the operation thoughts and feelings that operator is comfortable.
Accompanying drawing explanation
Fig. 1 indicates that an embodiment of the Work machine of the present invention and the side view of wheel loader.
Fig. 2 indicates that the axonometric chart of the internal structure of the driver's cabin of the wheel loader shown in Fig. 1.
Fig. 3 is the major part enlarged drawing of Fig. 2.
Fig. 4 is the exploded perspective view of the operation device shown in Fig. 2.
Fig. 5 is the longitudinal section of the operation device part shown in Fig. 2.
Fig. 6 is the top view of the operation device part shown in Fig. 2.
Fig. 7 indicates that the figure operating the handle that device has shown in Fig. 2, Fig. 7 (a) is front view, and Fig. 7 (b) is left side view, and Fig. 7 (c) is right side view, Fig. 7 (d) is top view, and Fig. 7 (e) is axonometric chart.
Fig. 8 indicates that the figure, Fig. 8 (a) of the axle cover shown in Fig. 2 is the axonometric chart of axle cover, and Fig. 8 (b) is the top view of the top annular portion of axle cover.
Fig. 9 indicates that the axonometric chart of the Decorative Cover pilot valve part of the operation device shown in Fig. 2 covered.
Figure 10 indicates that the figure, Figure 10 (a) of the state from the state removing Decorative Cover shown in Fig. 2 is the axonometric chart observed from a direction, and Figure 10 (b) is the axonometric chart observed from another direction.
The explanation of accompanying drawing labelling
1 vehicle body
1a front-wheel
1b trailing wheel
2 driver's cabins
3 apparatus for work
3a dipper
3b scraper bowl
4 substrates
5 driver seats
6 control stations
7 first operation devices
8 second operation devices
10 handles
10a groove portion (links mechanism)
11 axles
12 axle covers
12a top annular portion
12a1 jut (links mechanism)
12a2 axis hole
12a3 wire harness hole
12b bottom extension part
12b1 wire harness hole
12c necking part
13 protective covers
14 pilot valves
20 handles
21 axles
22 axle covers
23 protective covers
24 pilot valves
30 Decorative Cover
31 wire harness
32 wire harness
37 slits
37a large-diameter portion
37b circumference
38 slits
39 slits
40 first switches
41 second switches
50 first switches
51 second switches
Detailed description of the invention
Hereinafter, with reference to the accompanying drawings the embodiment of the Work machine of the present invention is illustrated.
One embodiment of the Work machine of the present invention is such as wheel loader.This wheel loader, as it is shown in figure 1, have vehicle body 1, this vehicle body 1 has front-wheel 1a and trailing wheel 1b, is provided with driver's cabin 2 on this vehicle body 1.It addition, the forward position at the driver's cabin 2 of vehicle body 1 is provided with apparatus for work 3.This apparatus for work 3 has: can be arranged on the dipper 3a on vehicle body 1 in the way of above-below direction rotation；Drive the dipper cylinder 3a1 of this dipper 3a；So that the front end of dipper 3a can be arranged in the way of above-below direction rotation, carry out the scraper bowl 3b of the digging operation etc. of soil sand；Drive the scraper bowl cylinder 3b1 of this scraper bowl 3b.
As shown in Figure 2,3, driver's cabin 2 has the substrate 4 forming bottom, and driver seat 5 is mounted on this substrate 4.It is transversely provided with control station 6 at driver seat 5, makes such as the dipper 3a of apparatus for work 3 to be carried out the first operation device 7 of rotating operation and scraper bowl 3a is carried out the second operation device 8 of rotating operation be maintained on this control station 6.
As shown in Figure 4,5, first operation device 7 has: pilot valve 14, it generates for driving the first pilot of dipper 3a, namely generating the first pilot that not shown dipper directional control valve switches over operation, and the action of the described dipper directional control valve dipper cylinder 3a1 to driving dipper 3a is controlled；Decorative Cover 30, it is arranged in the way of covering this pilot valve 14, and surface is curved.Additionally, first operation device 7 has axle 11, this axle 11 highlights upward from the slit 37 of Decorative Cover 30, can arrange in the way of the fore-and-aft direction of the shape according to this slit 37 or right and left are swung up, under present case, this axle 11 is can arrange in the way of swinging in the longitudinal direction, and pilot valve 14 is operated by this axle 11 with swinging.It addition, the first operation device 7 has the handle 10 on the upper portion being arranged on axle 11.Axle 11 is formed with external thread part, the lower portion of handle 10 is formed the internal thread part that the external thread part with axle 11 screws togather.It addition, as it is shown in figure 5, there is the protective cover 13 of the axle 11 part covering of the lower section that will be located in Decorative Cover 30.
The first operation device 7 in present embodiment, as shown in Figure 4,5, has axle cover 12, and the upper end of this axle cover 12 arrives the position of handle 10, and lower end is positioned at the lower section of Decorative Cover 30, and the part of the axle 11 between handle 10 and protective cover 13 is covered.
Second operation device 8 is also constituted in the same manner as first operates device 7.Namely, as shown in Figure 4,5, second operation device 8 has pilot valve 24, it generates for driving the first pilot of scraper bowl 3b, namely generating the first pilot that not shown scraper bowl directional control valve switches over operation, the action of the described scraper bowl directional control valve scraper bowl cylinder 3b1 to driving scraper bowl 3b is controlled, further, also have arrange in the mode covering this pilot valve 24, surface is curved Decorative Cover 30.It addition, the second operation device 8 has axle 21, this axle 21 highlights upward from the slit 38 of Decorative Cover 30, and can arrange in the way of front and back corresponding with the shape of this slit 38 are swung up, with swinging, pilot valve 24 is operated.It addition, the second operation device 8 has the handle 20 on the upper portion being arranged on axle 21.Axle 21 is formed with external thread part, is formed with the internal thread part that the external thread part with axle 21 screws togather in the lower portion of handle 20.It addition, as it is shown in figure 5, there is the protective cover 23 of the axle 21 part covering of the lower section that will be located in Decorative Cover 30.
The second operation device 8 in present embodiment also has axle cover 22 as shown in Figure 4,5, and the upper end of this axle cover 22 arrives the position of handle 20, and lower end is positioned at the lower section of Decorative Cover 30, and the part of the axle 21 between handle 20 and protective cover 23 is covered.
It is as noted previously, as the first operation device 7 identical with the structure of the second operation device 8, so, the main structure to the first operation device 7 illustrates below.
As it is shown in fig. 7, the handle 10 of the first operation device 7, for instance have the first switch 40 that alarm tone occurs at top, the sidepiece a side has running at high speed and running at a low speed the second switch 41 switched over.It addition, be formed with the groove 10a of ring-type in section below.
As shown in Figure 8, the axle cover 12 of the first operation device 7 is such as by having elasticity and thermostability and having the synthetic resin of heat insulating function and constitute, there is top annular portion 12a in upside, there is in downside the bottom extension part 12b bigger than top annular portion 12a diameter, at the middle body between top annular portion 12a and bottom extension part 12b, there is necking part 12c.As shown in Fig. 8 (b), being formed with the jut 12a1 of ring-type in the top annular portion 12a of axle cover 12, the jut 12a1 of this ring-type is embedded in the groove portion 10a formed on described handle 10.By the groove portion 10a of the jut 12a1 of this axle cover 12 and handle 10, constitute link mechanism handle 10 and axle cover 12 linked.
It addition, in the top annular portion 12a of axle cover 12, be formed for the axis hole 12a2 of axle 11 insertion and insert wire harness hole 12a3 for the wire harness 31 being connected to first, second switch 40,41 being located on handle 10.Fig. 6 represents the state after removing Decorative Cover 30, it is shown that be connected to first, second wire harness 31 switching on 40,41 of the handle 10 of the first operation device 7.It addition, in this Fig. 6, further it is shown that wire harness 32, this wire harness 32 is connected on first, second switch 50,51 on the handle 20 being located at the second operation device 8.Additionally, in Fig. 6, the handle 20 of the second operation device 8 illustrates in the way of by the part removing at top.
It addition, the necking part 12c of the axle cover 12 shown in Fig. 8 (a), formed on relative for the circumference 37b position with the slit 37 of the Decorative Cover 30 shown in Fig. 9.Here, the first operation handle 10 of device 7 and axle 11 are operated in the way of to describe the track of arc-shaped relative to pilot valve 14.Accompanying with this, the surface of Decorative Cover 30 is formed as considering the curved of the track of described arc-shaped.It addition, make the lower shape being positioned at the necking part 12c of the axle cover 12 of slit 37 part of Decorative Cover 30 be formed as considering the circular shape of the track of described arc-shaped.So, by necking part 12c is formed as circular shape, even if the first operation device 7 is operated, axle cover 12 interferes without with Decorative Cover 30, it is possible to make axle cover 12 with first operate device 7 one coexist Decorative Cover 30 slit 37 on move swimmingly.
It addition, the bottom extension part 12b of the axle cover 12 shown in Fig. 8 (a) is arranged in the way of by not shown nut covering, this not shown nut screws togather with the external thread part being formed as described above on axle 11 thus determining the installation site of handle 10.As it is shown in figure 5, when being mounted with axle cover 12, the bottom extension part 12b of axle cover 12 abuts with the upper surface of not shown nut.As shown in Fig. 8 (a), the bottom extension part 12b of axle cover 12 also is provided with the wire harness hole 12b1 inserted for wire harness 31.
In Figure 10, though eliminating Decorative Cover 30, but following state is shown in this Figure 10 (b): the wire harness 32 being connected on the handle 20 being located at the second operation device 8 first, second switch 50,51 is inserted in axle cover 22 from the wire harness hole the bottom extension part being located at axle cover 22.Additionally, in this Figure 10, eliminate the axle cover 11 of the first operation device 7.
As it is shown in figure 9, Decorative Cover 30, except the slit 38 that the slit 37 described in inserting for the axle 11 of the first operation device 7 and axle cover 12, the axle 21 supplying the second operation device 8 and axle cover 22 insert, also there is slit 39.Although not shown, but in this slit 39, be inserted into such as other operation device equally.It is formed with large-diameter portion 37a etc. in these respective middle positions of slit 37,38,39.These large-diameter portions 37a etc. are arranged accordingly with the neutral position of operation device 7 grade respectively, and, the part utilized when being and operation device 7 etc. is assembled.
Such as when assembling the first operation device 7, when removing Decorative Cover 30, the axle 11 shown in Fig. 4 is installed on the pilot valve 14 shown in Fig. 5, and protective cover 13 is installed in the way of covering the section below of this axle 11.Then, what make handle 10 is screwed on axle 11 for the not shown nut positioned in the way of being positioned at the position of regulation.
Then, axle cover 12 is inserted on axle 11 via its axis hole 12a2, in the way of the bottom extension part 12b of axle cover 12 is by described not shown nut covering, this axle cover 12 is installed.Then, in the way of making the top annular portion 12a of axle 11 and axle cover 12 highlight from the large-diameter portion 37a of the slit 37 of Decorative Cover 30, Decorative Cover 30 is installed.
Then, handle 10 is made to be screwed on axle 11, and make handle 10 rotate decline, pushed in the way of resisting its elastic force and bending by the countershaft cover 12 in the lower end of this handle 10, make the jut 12a1 of the top annular portion 12a of axle cover 12 be embedded in the groove portion 10a of handle 10.Thus, handle 10 is positioned via axle cover 12 and is fixed on axle 11, and the basic assembling of the first operation device 7 terminates.
The assembling of the second operation device 8 carries out similarly.First, second assembling switching the wire harness 31 on 40,41 of the handle 10 being connected to the first operation device 7 utilizes wire harness hole 12b1,12a3 of axle cover 12 to carry out.First, second assembling switching the wire harness 32 on 50,51 of the handle 20 being connected to the second operation device 8 utilizes the wire harness hole formed on axle cover 22 to carry out similarly.
If hold the handle 10 of such as the first operation device 7 so assembled and making it swing in the longitudinal direction, the first pilot then generated by pilot valve 14 is supplied to the control room of not shown dipper directional control valve, and this not shown dipper directional control valve is switched.Thus, the pressure oil discharged from not shown hydraulic pump is supplied to the dipper cylinder 3a1 shown in Fig. 1 via not shown dipper directional control valve, and this dipper cylinder 3a1 action is thus dipper 3a rotates in the vertical direction.If it addition, hold the handle 20 of the second operation device 8 and make it swing in the longitudinal direction, then the first pilot generated by pilot valve 24 is supplied to the control room of not shown scraper bowl directional control valve, and this not shown scraper bowl directional control valve is switched.Thus, the pressure oil discharged from not shown hydraulic pump is supplied to the scraper bowl cylinder 3b1 shown in Fig. 1 via not shown scraper bowl directional control valve, and this scraper bowl cylinder 3b1 action is thus scraper bowl 3b rotates in the vertical direction.By the action of such dipper 3a and scraper bowl 3b, additionally by driving front-wheel 1a, trailing wheel 1b so that vehicle body travels, it is possible to implement the digging operation etc. of soil sand.
Present embodiment according to above-mentioned such composition, such as the first operation device 7, due to prominent upward from Decorative Cover 30 and until the part of axle 11 of handle 10 is covered by axle cover 12, so, it is blocked by axle cover 12 along with the intensification of pilot pressure oil, the heat that is passed to axle 11 via pilot valve 14.Therefore, it is landed on driver seat 5, grips the hands of operator of the handle 10 of the first operation device 7 and will not directly contact the axle 11 of heating.Thus, taking into account the temperature of the heat being transferred on axle 11 reduces, it may not be necessary to the length dimension of this axle 11 is set to longer.Thereby, it is possible to maintain the pilot valve 14 excellent response relative to the swinging operation of axle 11, it can be ensured that good operability.That is, it is configured with in the downside of Decorative Cover 30 in the structure of protective cover 13, the operator of gripping handle 10 will not be brought the heat because being delivered on axle 11 and the sense of discomfort that produces, it can be ensured that good operability, it is possible to bring comfortable operation to feel to operator.
Additionally, via link mechanism, namely via the link mutual for jut 12a1 of the groove portion 10a of handle 10 and the top annular portion 12a of axle cover 12, can axle cover 12 be firmly held on handle 10 in the way of not coming off, it is possible to realize the first operation device 7 that reliability is high.
It addition, by arranging necking part 12c on axle cover 12, it is possible to the width dimensions of the slit 37 of Decorative Cover 30 is suppressed less.Thereby, it is possible to stop the maximization of axle cover 3 side.Additionally, when linking handle 10 and axle cover 12 via groove portion 10a and jut 12a1, as mentioned above, bottom extension part 12a is made to be connected on not shown nut, this not shown nut is screwed on the external thread part of the axle 11 of the downside of the bottom extension part 12b being positioned at axle cover 12, thus, handle 10 can be made to be fixed on the position of regulation relative to axle 11, it is possible to increase the positioning precision during installation of handle 10.
Additionally, owing to being provided with first, second switch 40,41 on handle 10, so, the operation of the dipper 3a based on the first apparatus for work 3 operating device 7 that can carry out with gripping handle 10 is additionally, be operated and perform the generation of alarm tone, run at high speed and other the controls various of the switching control etc. that runs at a low speed by switching 40,41 to be located on handle 10 first, second, it is possible to increase the control performance of this wheel loader.
It addition, the wire harness 31 being connected on first, second switch 40,41 of handle 10 can be made from wire harness hole 12b1,12a3 of axle cover 12 to be inserted into the inside of axle cover 12, and it is made to be further inserted into the inside of handle 10.Namely, it is possible to make wire harness 31 not expose in the outside of axle cover 12 and handle 10.Thereby, it is possible to limited the activity of wire harness 31 of the swinging operation with axle 11 by axle cover 12, and, wire harness will not exposed above to Decorative Cover 30, it can be ensured that the good aesthetic property of the first operation device 7.
Additionally, above the first action effect operating device 7 is illustrated, owing to the second operation device 8 is to operate, with first, the structure that device 7 is same, so, the second operation device 8 also is able to obtain operating, with first, the action effect that device 7 is same.
Claims (3)
1. a Work machine, has: apparatus for work；The vehicle body of this apparatus for work is installed；It is located at the driver's cabin on this vehicle body；The operation device being arranged in this driver's cabin and described apparatus for work is operated,
Described operation device has: generate the pilot valve being used for driving the first pilot of described apparatus for work；The Decorative Cover arranged in the way of covering this pilot valve；From the slit of this Decorative Cover axle that is prominent and that can arrange in the way of fore-and-aft direction corresponding with the shape of described slit or right and left are swung up, with swing, described pilot valve is operated upward；It is located at the handle on the upper portion of this axle；Will be located in the protective cover that the part of the described axle of the lower section of described Decorative Cover covers, it is characterised in that:
Described operation device has axle cover, and the upper end of this axle cover arrives the position of described handle, and lower end is positioned at the lower section of described Decorative Cover, and the part of the described axle between described handle and described protective cover is covered,
It is provided with the link mechanism linking described handle and described axle cover,
Form external thread part on the shaft, described handle is formed the internal thread part that the upper portion of the external thread part with described axle screws togather, and,
Described axle cover has: necking part, and it is formed on the position relative with the circumference of the described slit of described Decorative Cover；Top annular portion, it is arranged at the upside of described necking part, and is embedded into formation in the groove portion of the section below of described handle；Bottom extension part, it is arranged at the downside of described necking part, and abuts and cover described nut with the upper surface of nut, and the external thread part of described nut and described axle screws togather.
2. Work machine as claimed in claim 1, it is characterised in that
Described handle is provided with switch.
3. Work machine as claimed in claim 2, it is characterised in that
Described axle cover has the wire harness hole inserted for the wire harness being connected on described switch.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-026174 | 2011-02-09 | ||
| JP2011026174A JP5566313B2 (en) | 2011-02-09 | 2011-02-09 | Work machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102635136A CN102635136A (en) | 2012-08-15 |
| CN102635136B true 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
-
2012
- 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 |
|---|---|
| JP5566313B2 (en) | 2014-08-06 |
| JP2012164280A (en) | 2012-08-30 |
| KR101741275B1 (en) | 2017-05-29 |
| CN102635136A (en) | 2012-08-15 |
| KR20120092011A (en) | 2012-08-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105813933B (en) | Moving device and Work machine | |
| CN102635136B (en) | Work machine | |
| EP3301231B1 (en) | Working machine | |
| KR20200012893A (en) | Steering of working vehicle | |
| KR20200074119A (en) | Power machine control system | |
| CN103939594A (en) | Double-bar control mechanism with gear shifting booster transmission | |
| JP2018196355A (en) | Mower unit | |
| JP2012000049A (en) | Management machine | |
| JP5722677B2 (en) | Operating device for work equipment | |
| JP5989166B2 (en) | Operating device for work equipment | |
| JP2015224479A (en) | Work vehicle | |
| JP5282463B2 (en) | Construction machinery | |
| JP2020076243A (en) | Work vehicle | |
| KR102317483B1 (en) | Side clutch actuation structure for passenger type rice transplanter | |
| KR102494652B1 (en) | Walk-behind type managing machine | |
| JP2008077302A (en) | Operation pedal device for construction machine | |
| CA3012329A1 (en) | Mechanical control linkage | |
| WO2013183322A1 (en) | Revolving work machine | |
| CN108369429B (en) | Operating handle of working machine | |
| JP2018100089A (en) | Work vehicle | |
| JP2017023114A (en) | Walking type tiller | |
| JP2008126941A (en) | Bar-shaped steering handle for walking type working machine | |
| JP6622024B2 (en) | Operation lever with push button switch for work machines | |
| JP6559612B2 (en) | Cable wiring structure, operation device and work machine | |
| JP2013154739A (en) | Tractor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |