CN110409540A - Engineering machinery - Google Patents

Abstract

The present invention provides a kind of engineering machinery.The engineering machinery has: seat frame (20), setting on seat frame (20) driver's seat (21), setting is in the remote-controlled valve (25) of at least side in the left side and right side of driver's seat (21) of seat frame (20) front end, hydraulic valve (24) and by remote-controlled valve (25) and hydraulic valve (24) guide's hose (H) interconnected.The upper surface of seat frame (20) includes certain surface (20a) and datum level (20b), certain surface (20a) is located at immediately below remote-controlled valve (25), driver's seat (21) are provided on datum level (20b), there is difference in height between two sides, so that certain surface (20a) is lower than datum level (20b), the space enlargement for being used to lay guide's hose (H) below the height official post remote-controlled valve (25).Hereby it is possible to easily lay guide's hose using simple structure.

Description

Engineering machinery

Technical field

The present invention relates to the engineering machinery such as hydraulic crawler excavator, more particularly to have be arranged in driver's seat side remote-controlled valve, By the remote-controlled valve come the hydraulic valve of work and the engineering machine for guide's hose that the remote-controlled valve and hydraulic valve are interconnected Tool.

Background technique

Illustrate background technique of the invention for the small type hydraulic excavator shown in Fig. 6.

The hydraulic crawler excavator has caterpillar lower running body 1, fills with freely rotating around the axis X perpendicular to ground The upper rotation 2 that is located on the lower running body and the operation auxiliary equipment for being mounted on 2 front of upper rotation AT, operation auxiliary equipment AT have swing arm 3, dipper 4, scraper bowl 5, the multiple hydraulic actuators i.e. swing arm for making these parts work Working cylinder 6, dipper working cylinder 7 and scraper bowl working cylinder 8.

Above-mentioned upper rotation 2 has upper frame 9, is installed on frame 9 on this: seat frame 10, setting exist Driver's seat 11 on the seat frame 10, the cover 12 for covering from above the driver's seat 11, various operating devices and Engine and its relevant device.It is also not provided with above-mentioned cover 12 and driver's cabin is set and seat is set in the driver's cabin The type of frame 10 and driver's seat 11, i.e. driver's cabin type.

Above-mentioned upper frame 9 has bottom plate 13 and interval and 13 top of bottom plate is arranged in as shown in Fig. 7 Floor 14.On this under floor of left side front of frame 9, i.e. between bottom plate 13 and floor 14, it is formed with ground Plate down space S is provided with the control valve unit 15 of multiple in space under floor S.The control valve unit 15 is only The aggregate of multiple control valves of the hydraulic pilot suitching type of the work of vertical each hydraulic actuator of control is (public referring to Japan Patent Open bulletin special open 2008-31817 and Japanese Patent Laid-Open Publication 2002-227249).

" front and back " " left and right " described in this specification refers respectively to from the operator for being seated at driver's seat 11 Direction.

Above-mentioned control valve unit 15 for example is mounted on above-mentioned bottom plate 13.On the other hand, on seat frame 10 Multiple remote-controlled valves 16 are provided with, it is above-mentioned multiple contained in above-mentioned control valve unit 15 by the operation of these remote-controlled valves 16 Control valve works respectively.

Partition wall 17 is vertically equipped at the rear of above-mentioned space under floor S.The partition wall 17 is in driver's seat 11 and branch The lower section for supportting the seat frame 10 of the driver's seat 11 marks off engine room 18.

Above-mentioned remote-controlled valve 16 is separately positioned on a left side for driver's seat 11 in the front end of above-mentioned 10 upper surface of seat frame The position of right two sides, these remote-controlled valves 16 are connect with the control valve of above-mentioned control valve unit 15 by guide's hose H.

About guide's hose H laying, especially will be with driver's seat 11 in above-mentioned multiple remote-controlled valves 16 Benchmark and be located at the side opposite with stopping port remote-controlled valve 16 (in the example of Fig. 7 be right side remote-controlled valve 16, hereinafter, will The remote-controlled valve 16 is referred to as " inboard remote-controlled valve ") link with the control valve unit 15 in above-mentioned setting under floor space S Guide's hose H carry out laying, there are the following problems.That is, the position of above-mentioned inboard remote-controlled valve 16 is set at height side Operator is easiest to the position of operation in all directions of, front and back and left and right directions, and the above-mentioned inboard at the position of the setting is distant It controls between the hose connection port of 16 lower surface of valve and the upper surface of seat frame 10 by specifically for wiring space, but the wiring is empty Between height dimension it is smaller as shown in Fig. 7, more guide's hose H are laid in the wiring space must make these elder generations Hose H is led with biggish curvature bending.Complicated joint structure is needed with curved lay of the deep camber, this will cause portion The rising of part unit price and because on assembly line working hour increase caused by production efficiency decline.

Summary of the invention

The purpose of the present invention is to provide a kind of engineering machinery, have the hydraulic valves such as control valve, remote-controlled valve and link these valves Guide's hose, and guide's hose can be easily laid using simple structure.

Engineering machinery of the invention includes: lower running body；Upper rotation is pivotally installed in the lower part row It walks on body, and there is upper frame, the upper frame has bottom plate and the top and in the up-down direction of the bottom plate is arranged in With the floor of the bottom plate interval；Seat frame, positioned at the top of the bottom plate of the rear side and upper frame on the floor； Driver's seat is arranged on the seat frame；Remote-controlled valve, the front end of the seat frame is arranged in is located at the driver's seat Left and right at least side part；Hydraulic valve is operated by the remote-controlled valve；And guide's hose, by the remote-controlled valve It is connected with each other with the hydraulic valve, wherein the upper surface of the seat frame includes certain surface and datum level, and the certain surface is located at Immediately below the remote-controlled valve, it is provided with the driver's seat on the datum level, has height between the certain surface and the datum level It is poor to spend, so that the certain surface is lower than the datum level, is used to lay the elder generation below remote-controlled valve described in the height official post The wiring space for leading hose expands.

In accordance with the invention it is possible to easily lay guide's hose using simple structure.

Detailed description of the invention

Fig. 1 is the perspective view for indicating the major part of mini-excavator involved in embodiments of the present invention.

Fig. 2 is the figure that will be indicated along the amplification of the section of the II-II line of Fig. 1.

Fig. 3 is the partial enlarged view of Fig. 2.

Fig. 4 is the main view of seat frame involved in the embodiment.

Fig. 5 is the perspective view for indicating the major part of the seat frame.

Fig. 6 is the outline side view as the mini-excavator of applicable object example of the invention.

Fig. 7 is the cross-sectional side elevational view for indicating the structure for laying guide's hose in previous excavator.

Specific embodiment

It is explained with reference to embodiments of the present invention.

Present embodiment is that the present invention is suitable for mini-excavator shown in Fig. 6.That is, involved in present embodiment Excavator has: caterpillar lower running body 1 is installed in the lower part row around the axis X perpendicular to ground with freely rotating It walks the upper rotation 2 on body and is mounted on the operation auxiliary equipment AT of 2 front of upper rotation, the attached dress of operation Set AT with swing arm 3, dipper 4, scraper bowl 5, make these parts work multiple hydraulic actuators i.e. swing arm working cylinder 6, Dipper working cylinder 7 and scraper bowl working cylinder 8.

Above-mentioned upper rotation 2 has upper frame 19, is installed with seat frame 20 on frame 19 on this, setting exists Driver's seat 21, various operating devices and engine and its relevant device on the seat frame 20.

22 top of bottom plate is arranged in bottom plate 22 and interval as shown in Fig. 1 for above-mentioned upper frame 19 Floor 23.On this under floor of left side front of frame 19, i.e. between bottom plate 22 and floor 23, it is formed with ground Plate down space S is provided with the control valve unit 24 of multiple in space under floor S.The control valve unit 24 is only The aggregate of multiple control valves of the hydraulic pilot suitching type of the work of vertical each hydraulic actuator of control.

Above-mentioned control valve unit 24 for example is mounted on above-mentioned bottom plate 22.On the other hand, on seat frame 20 Setting

There are multiple remote-controlled valves 25, it is above-mentioned multiple contained in above-mentioned control valve unit 24 by the operation of these remote-controlled valves 25 Control valve works respectively.

Partition wall 26 is vertically equipped at the rear of above-mentioned space under floor S.The partition wall 26 draws engine room 27 Divide

Driver's seat 21 and support the driver's seat 11 seat frame 20 lower section.

Above-mentioned remote-controlled valve 25 is separately positioned on a left side for driver's seat 21 in the front end of above-mentioned 20 upper surface of seat frame The control valve of the position of right two sides, these remote-controlled valves 25 and above-mentioned control valve unit 24 is connected by more guide's hose H It connects.

In addition, present embodiment is provided such as flowering structure, so as to in above-mentioned more guide's hoses H will be above-mentioned multiple distant Inboard remote-controlled valve in control valve 25 is the remote-controlled valve for the opposite side for being located at stopping port (positioned at right side in the example of Fig. 1 Remote-controlled valve) with control valve 24 link guide's hose H lay.

Firstly, the upper surface of the front end of above-mentioned seat frame 20 is made to form difference in height.The above-mentioned seat frame 20 of the height official post Upper surface in the certain surface 20a(that is located at immediately below above-mentioned inboard remote-controlled valve 25 be located at seat frame in the example of Fig. 1 The face in 20 right front ends portion) it is lower than datum level 20b, it is provided with above-mentioned driver's seat 21 on datum level 20b, in the certain surface Between 20a and the face of rear side, equipped with the difference in height wall 28 for erectting setting in an approximate vertical direction.

The space of above-mentioned inboard 25 lower section of remote-controlled valve of above-mentioned height official post is soft for laying guide i.e. as shown in Fig. 3 The wiring space C of pipe H expands the amount of the difference in height.Connect with the hose connection port of the lower surface of above-mentioned inboard remote-controlled valve 25 The guide's hose H connect is to pass through above-mentioned wiring space C and lay along the path of 20 front surface of seat frame, and under floor In space S, above-mentioned control valve unit 24 is connected in the region of 26 front side of partition wall.Above-mentioned difference in height is capable of forming tool The wiring space C of enough depth needed for standby guide's hose H with the laying of above-mentioned path and width dimensions.Moreover, above-mentionedly The suitable position of plate 23 is provided with guide's hose entrance hole 29, and above-mentioned guide's hose H passes through guide's hose entrance hole 29 import in space under floor S from the upside on floor 23.

Above-mentioned certain surface 20a, that is, low level face is as shown in Fig. 2 and Fig. 3 involved in present embodiment, with gentle Angle lower inclination forward, i.e. inclination are lower closer to 20 outside of seat frame.In above-mentioned wiring space, above-mentioned guide is soft Pipe H can be laid with the gentle curve that extends along the inclination of above-mentioned certain surface 20a.

On above-mentioned difference in height wall 28, be provided with through-hole 30, laid by the through-hole 30 above-mentioned guide's hose H with Wiring 31 shown in the hose or Fig. 2 and Fig. 3 of the outer idle call by laying body, being for example arranged in driver's cabin type.On State through-hole 30 by as far as possible not with guide's hose H interference in a manner of, as shown in Fig. 1, Fig. 4 and Fig. 5, setting from The position that the center of the width direction of above-mentioned difference in height wall 28 is deviateed towards left side.It is above-mentioned shown in Fig. 1, Fig. 4 and Fig. 5 Through-hole 30 is horizontally long long hole, but its shape can be changed freely, also can be the long hole or circular hole of lengthwise.Alternatively, can also be more Above-mentioned through-hole 30 is respectively set in a position.

Compared to being space (such as the remote-controlled valve shown in Fig. 7 laying guide's hose and setting in previous engineering machinery Space between 16 lower surface and the upper surface of seat frame 10), the difference in height of above-mentioned seat frame 20 can be formed in height Spend wiring space bigger on direction.That is, can be used in laying the sky of guide's hose H below the height official post remote-controlled valve 25 Between substantially expand the amount of the difference in height in the height direction, thereby, it is possible to make guide's hose H it is as shown in the figure as only with gentle And less bending, it is easily laid with passing through the path outside engine room 27.This can simplify connects needed for above-mentioned laying Header structure reduces component unit price, and can reduce the working hour on assembly line, to improve production efficiency.

As other countermeasures for laying above-mentioned guide's hose H, cloth apertured can also be set on the roof of seat frame 20, Guide's hose H transferred in engine room 27 from the cloth apertured by the cloth apertured so that it reaches control valve unit 24, But the laying is along with following various drawbacks, such as: equipment in engine room 27 is impacted；It need to be arranged for preventing Heat, the sealing structure of sound leakage；And it needs to prevent because of countermeasure on fire caused by the oil leak that guide's hose H occurs.

In contrast, when via being laid by the widened wiring space C of above-mentioned difference in height, since guide is soft Pipe H is not passed through in engine room 27, therefore will not be impacted to the equipment in engine room 27, nor is needed Prevent countermeasure on fire or for sound insulation, heat-insulated sealing structure.In addition, the guide's hose H being laid in outside engine room 27 Maintenance be easy.Also, the expansion of the wiring space C realized and forming difference in height can be such that seat frame 20 maintains High-intensitive and rigidity.

Moreover, guide's hose H is to reach space under floor S along the front surface of seat frame 20 from wiring space C Path come the laying carried out, the foot space for the operator being sitting on driver's seat 21 or the behaviour to operator will not be occupied Make or boarding causes obstacle.In addition to this, guide's hose H 20 front-surface side of seat frame laying so that the guide is soft The maintenance of pipe H becomes easy.

Moreover, the inclination of above-mentioned certain surface 20a, the i.e. lower inclination closer to the outside of seat frame 20, can make Guide's hose H is only laid with the gentle curvilinear bending appropriate extended along the inclination, to make its laying Become more to be easy.

On the other hand, through-hole 30 on difference in height wall 28 is arranged in can will be by the widened cloth of above-mentioned difference in height Space of lines C effectively serve as lay idle call hose or wiring etc. other by the space of laying body.

The present invention is not limited to embodiments described above, for example, it also includes following above-mentioned embodiment.

(1) structure involved in above embodiment is the guide hose H for being connected to right side remote-controlled valve 25, but The present invention also can optionally implement guide's hose of left side remote-controlled valve.Moreover, when being arranged on seat frame 20 Multiple remote-controlled valves in when including the remote-controlled valve for being operated to the shoveling being arranged in front of lower running body, for should The laying for guide's hose that the remote-controlled valve of shoveling and the hydraulic valve operated by it i.e. shoveling control valve are linked, also can It is enough to be applicable in the present invention.

(2) certain surface 20a involved in above embodiment is so that guide's hose H passed through on front side of seat frame 20 Mode is present in the front end in 20 upper surface of seat frame, in the present invention, to make guide's hose in the left side of seat frame Or right side passes through, and can provide above-mentioned certain surface in the left or right side end of the upper surface of the seat frame.

(3) the present invention is not limited to hydraulic crawler excavators, for constitute tear the liquid such as building machine or crusher open with excavator Engineering machinery other than pressure excavator is to have the remote-controlled valve being arranged on seat frame, the hydraulic valve operated by it and connect The engineering machinery for tying guide's hose of these valves, can also be applicable in as described above.

As described above, the present invention provides a kind of engineering machinery, has the hydraulic valves such as control valve, remote-controlled valve and link these valves Guide's hose, and guide's hose can be easily laid using simple structure.The engineering machinery includes: lower part row Walk body；Upper rotation is pivotally installed on the lower running body, and has upper frame, and the upper frame has bottom Plate and the top that the bottom plate is set and the floor with the bottom plate interval in the up-down direction；Seat frame is located at The top of the bottom plate of the rear side on the floor and the upper frame；Driver's seat is arranged on the seat frame；Remote-controlled valve, The part of the left and right at least side positioned at the driver's seat of the front end of the seat frame is set；Hydraulic valve, by described Remote-controlled valve is operated；And guide's hose, the remote-controlled valve and the hydraulic valve are connected with each other, wherein the seat frame Upper surface includes certain surface and datum level, and the certain surface is located at immediately below the remote-controlled valve, is arranged on the datum level Driver's seat is stated, has difference in height between the certain surface and the datum level, so that the certain surface is lower than the datum level, it is described Under the wiring space for laying guide's hose below remote-controlled valve described in height official post expands.

The difference in height is by making the face immediately below the remote-controlled valve i.e. certain surface lower than datum level, so as to expand this Below remote-controlled valve for laying the space of guide's hose, thereby, it is possible to make guide's hose only with gentle and less curved Song, and easily laid with passing through the path outside engine room.This can simplify for laying guide's hose Structure can reduce the working hour on assembly line and improve production efficiency to reduce component unit price.Also, with make guide's hose Situation inside engine room is different, and the indoor equipment of engine will not impact the laying of guide's hose, and It does not need to prevent countermeasure on fire or for sound insulation, heat-insulated sealing structure yet.In addition, laying of guide's hose outside engine room, Become easy its maintenance.Moreover, enabling seat frame by the expansion for assigning the wiring space that difference in height is realized to seat frame It is enough to maintain high-intensitive and rigidity.

It is preferable that the certain surface is located on the basis of the driver's seat on the upper surface of the seat frame And the front end of the upper surface of the seat frame of the side opposite with stopping port, on the other hand, by being arranged described specific The remote-controlled valve on face is arranged on the space under floor between the bottom plate and the floor come the hydraulic valve that operates It is interior, guide's hose with from the wiring space along the front surface of the seat frame reach the space under floor path and It lays.Guide's hose to lay will not occupy the foot space for the operator being sitting on driver's seat by this method, or to this The danger that the operation or boarding of operator counteracts.Moreover, being laid in the dimension of guide's hose of seat frame front-surface side It is more easy to protect.

It is preferable that the certain surface inclination is lower closer to the outside of the seat frame.The certain surface is inclined The gentle curve-like that tiltedly guide's hose can be made to extend with the inclination along the certain surface, i.e. appropriate degree are bent and cloth If the laying is made to become more to be easy as a result,.

On the other hand, it may be desirable to, the seat frame has between the certain surface and the datum level Difference in height wall is provided with for the through-hole passed through by laying body other than guide's hose on the difference in height wall.The through-hole Being laid other than guide's hose can be used to lay by acting effectively as by the widened wiring space of the difference in height The space of the idle call hose or wiring that are arranged in body, such as driver's cabin type.

Claims (5)

1. a kind of engineering machinery, characterized by comprising: lower running body；Upper rotation is pivotally installed in described On lower running body, and there is upper frame, the upper frame has bottom plate and the top of the bottom plate is arranged in and upper and lower On direction with the floor of the bottom plate interval；Seat frame, positioned at the bottom plate of the rear side and upper frame on the floor Top；Driver's seat is arranged on the seat frame；It is described that being located at for the front end of the seat frame is arranged in remote-controlled valve The part of the left and right of driver's seat at least side；Hydraulic valve is operated by the remote-controlled valve；And guide's hose, it will be described Remote-controlled valve and the hydraulic valve are connected with each other, wherein the upper surface of the seat frame includes certain surface and datum level, described specific Face is located at immediately below the remote-controlled valve, is provided with the driver's seat on the datum level, the certain surface and the datum level it Between have difference in height so that the certain surface is lower than the datum level, below remote-controlled valve described in the height official post for laying The wiring space of guide's hose expands.

2. the engineering machinery according to claim 1, it is characterised in that: on the upper surface of the seat frame, the spy Determine face and be located at the front end of the upper surface of the seat frame of the side opposite with stopping port on the basis of the driver's seat, leads to It crosses the remote-controlled valve being arranged in the certain surface and is arranged on the bottom plate and the floor come the hydraulic valve operated Between space under floor in, guide's hose with from the wiring space along the seat frame front surface reach describedly The path of plate down space and lay.

3. according to claim 1 or engineering machinery described in 2, it is characterised in that: the certain surface inclination for closer to The outside of the seat frame is lower.

4. according to claim 1 or engineering machinery described in 2, it is characterised in that: the seat frame, which has, is located at the spy Determine the difference in height wall between face and the datum level, be provided on the difference in height wall for other than guide's hose by cloth If the through-hole that body passes through.

5. the engineering machinery according to claim 3, it is characterised in that: the seat frame, which has, is located at the certain surface Difference in height wall between the datum level, be provided on the difference in height wall for other than guide's hose by laying body The through-hole passed through.