CN107306494A - Working truck - Google Patents
Working truck Download PDFInfo
- Publication number
- CN107306494A CN107306494A CN201680000492.1A CN201680000492A CN107306494A CN 107306494 A CN107306494 A CN 107306494A CN 201680000492 A CN201680000492 A CN 201680000492A CN 107306494 A CN107306494 A CN 107306494A
- Authority
- CN
- China
- Prior art keywords
- bar portion
- inclined floor
- bar
- supported
- restoring force
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D33/00—Superstructures for load-carrying vehicles
- B62D33/06—Drivers' cabs
- B62D33/063—Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other
- B62D33/067—Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other tiltable
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/30—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom
- E02F3/307—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with a dipper-arm pivoted on a cantilever beam, i.e. boom the boom and the dipper-arm being connected so as to permit relative movement in more than one plane
-
- 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
- E02F9/16—Cabins, platforms, or the like, for drivers
- E02F9/166—Cabins, platforms, or the like, for drivers movable, tiltable or pivoting, e.g. movable seats, dampening arrangements of cabins
-
- 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
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2264—Arrangements or adaptations of elements for hydraulic drives
- E02F9/2271—Actuators and supports therefor and protection therefor
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Fluid-Damping Devices (AREA)
- Component Parts Of Construction Machinery (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The working truck of the present invention includes：Inclined floor, it can obliquely be supported in vehicle frame by linkage；Gas spring, it is supported in vehicle frame, by producing the power for moving inclined floor, inclined floor can be moved into the first tilt quantity；Torsion bar, it has：First bar portion, it is supported in vehicle frame, can produce the restoring force relative to torsional deflection；Second bar portion, it is connected with the one end of the first bar portion, can be in contact with least a portion of the lower surface of inclined floor；And the 3rd bar portion, it is connected with the other end of the first bar portion, the torsion bar by by inclined floor movement second tilt quantity smaller than the first tilt quantity come the movement of ancillary oblique bottom plate；And guide member, it is supported in vehicle frame, and the 3rd bar portion of guiding allows it to move in the vertical direction.
Description
Technical field
The present invention relates to working truck.
Background technology
In the technical field that working truck is related to, it is known to which one kind possesses as disclosed in Patent Document 1
The working truck of inclined floor.In order to relax physical load during operator's lifting inclined floor, in operation
Torsion bar provided with gas spring and ancillary oblique the bottom plate movement for producing the power for moving inclined floor in vehicle.
Patent document 1：Japanese Unexamined Patent Publication 2005-001645 publications
The content of the invention
In the lower surface of inclined floor, often provided with connecting up, match somebody with somebody as cable, flexible pipe and electric wire
Pipe (hereinafter referred to as wiring etc.).Wiring of the lower surface of inclined floor etc. is arranged in torsion bar to tangle
In the state of, if moving inclined floor by gas spring, at least one in torsion bar and wiring etc.
Side is likely to occur breakage.
It is an object of the present invention to provide a kind of can suppress torsion bar and cloth in the movement of inclined floor
The damaged working truck of line etc..
According to the form of the present invention there is provided a kind of working truck, it includes：Inclined floor, it passes through hinge
Chain mechanism can obliquely be supported in vehicle frame；Gas spring, it is supported in vehicle frame, makes to incline by producing
The power of inclined bottom plate movement, can move the first tilt quantity by inclined floor；Torsion bar, it has：First bar
Portion, it is supported in vehicle frame, can produce the restoring force relative to torsional deflection；Second bar portion, its with
The one end connection of first bar portion, can be in contact with least a portion of the lower surface of inclined floor；The
Three bar portions, it is connected with the other end of the first bar portion, and the torsion bar by inclined floor movement by comparing first
The second small tilt quantity of tilt quantity carrys out the movement of ancillary oblique bottom plate；And guide member, it is supported in
Vehicle frame, the 3rd bar portion of guiding allows it to move in the vertical direction.
Torsion bar and cloth can be suppressed in the movement of inclined floor there is provided a kind of according to the form of the present invention
The damaged working truck of line etc..
Brief description of the drawings
Fig. 1 is the stereogram for an example for representing working truck of the present embodiment.
Fig. 2 is the side view for an example for representing working truck of the present embodiment.
Fig. 3 is an example of the action for schematically showing working truck of the present embodiment
Figure.
Fig. 4 is the side view for representing torsion bar of the present embodiment and gas spring.
Fig. 5 is the stereogram for representing torsion bar of the present embodiment and gas spring.
Fig. 6 is the side for representing torsion bar and gas spring when inclined floor of the present embodiment is moved
View.
Fig. 7 is the vertical of torsion bar when representing inclined floor of the present embodiment movement and gas spring
Body figure.
Fig. 8 is to represent the inclined floor of the present embodiment in the case where torsion bar is connected up etc. and tangled
The side view of torsion bar and gas spring when mobile.
Fig. 9 is to represent the inclined floor of the present embodiment in the case where torsion bar is connected up etc. and tangled
The stereogram of torsion bar and gas spring when mobile.
Figure 10 is for illustrating the slant range of inclined floor of the present embodiment and the chi of guiding groove
The schematic diagram of relation between very little.
Symbol description
1 hydraulic crawler excavator (working truck)
10 working rigs
11 master arms
12 biasing swing arms
13 dippers
14 scraper bowls
14B crowns
15 swing arm cylinders
16 biasing cylinders
17 dipper cylinders
18 scraper bowl cylinders
20 upper rotations (vehicle body)
21 driver's seats
22 skylights
23 ceilings
24 pillars
25 action bars
25A working rig bars
25B walking rods
26 supporting members
The supporting members of 26A first
The supporting members of 26B second
27 vehicle frames
28 supporting members
29 linkages
30 lower running bodies (running gear)
31 crawler belts
40 dozers
50 torsion bars
51 first bar portions
52 second bar portions
53 the 3rd bar portions
60 inclined floors
61 brackets
62 brackets
70 gas springs
72 cylinders
74 piston rods
76 linkages
80 guide members
82 guiding grooves
84 lower surfaces
86 upper surfaces
The guide surfaces of 88A first
The guide surfaces of 88B second
AX1, AX2, AX3 rotary shaft
RX gyroaxises
Embodiment
Below, embodiment of the present invention is illustrated referring to the drawings, but the invention is not restricted to
This.The structural element of embodiments described below can be combined as.In addition, there is also without using
The situation of a portion structural element.
Fig. 1 is the stereogram for an example for representing working truck 1 of the present embodiment.Fig. 2 is
Represent the side view of an example of working truck 1 of the present embodiment.Fig. 3 is schematic earth's surface
Show the figure of an example of the action of working truck 1 of the present embodiment.In the present embodiment,
It is that the example of hydraulic crawler excavator 1 is illustrated to working truck 1.
As shown in Figure 1, Figure 2 and Figure 3, hydraulic crawler excavator 1 has：Working rig 10, it utilizes hydraulic pressure
Acted；Vehicle body 20, it has driver's seat 21；Running gear 30, it is to vehicle body 20
Supported；And dozer 40.
Working rig 10 is supported on vehicle body 20.In the present embodiment, working rig 10 is so-called
Offset working rig with offset swing arm.Working rig 10 has：Master arm 11, itself and vehicle master
Body 20 is connected；Swing arm 12 is biased, it is connected with master arm 11；Dipper 13, itself and biasing swing arm 12
Connection；And scraper bowl 14, it is connected with dipper 13.Scraper bowl 14 has multiple bucket tooths of convex.If
There are multiple crown 14B, it is the leading section of bucket tooth.In addition, the crown 14B of scraper bowl 14 can also be
Located at the leading section of the bucket tooth of the rectilinear form of scraper bowl 14.
Vehicle body 20 and master arm 11 pass through swing arm pin connection.Master arm 11 using rotary shaft AX1 as
Center is rotatably supported in vehicle body 20.Master arm 11 and biasing swing arm 12 pass through the first biasing
Pin connection.Biasing swing arm 12 is rotatably supported in master arm 11 centered on the first bias axis.Biasing
Swing arm 12 and dipper 13 pass through arm pin connection.The rotatable twelve Earthly Branches centered on rotary shaft AX2 of dipper 13
Hold in biasing swing arm 12.In addition, biasing swing arm 12 and dipper 13 pass through the second biasing pin connection.Bucket
Bar 13 is rotatably supported in biasing swing arm 12 centered on the second bias axis.Dipper 13 and scraper bowl 14
Pass through scraper bowl pin connection.Scraper bowl 14 is rotatably supported in dipper 13 centered on rotary shaft AX3.
Vehicle body 20 is configured at the top of running gear 30, can be supported on running gear 30
Under state, turned round centered on gyroaxis RX.In the following description, vehicle body 20 can be referred to as
Upper rotation 20, can be referred to as lower running body 30 by running gear 30.
Rotary shaft AX1, rotary shaft AX2 are parallel with rotary shaft AX3.Rotary shaft AX1, AX2, AX3 with
It is orthogonal parallel to gyroaxis RX axle.In the following description, can by with rotary shaft AX1, AX2, AX3
Parallel direction is referred to as the overall width direction of upper rotation 20, can claim the direction parallel with gyroaxis RX
Make the above-below direction of upper rotation 20, can by with rotary shaft AX1, AX2, AX3 and gyroaxis RX two
The orthogonal direction of person is referred to as the fore-and-aft direction of upper rotation 20.
In the present embodiment, on the basis of being seated at the driver of driver's seat 21, there is scraper bowl 14
Direction is front, and the opposite direction in front is rear.One side in overall width direction be right, right it is opposite
Direction is left.Scraper bowl 14 is configured at the front of upper rotation 20.Multiple crown 14B of scraper bowl 14
It is configured at overall width direction.Dozer 40 is configured at the front of lower running body 30.
Working rig 10 is acted by hydraulic cylinder.Hydraulic crawler excavator 1 has：Swing arm cylinder 15, its is right
Master arm 11 is driven；Cylinder 16 is biased, it is driven to biasing swing arm 12；Dipper cylinder 17,
It is driven to dipper 13；And scraper bowl cylinder 18, it is driven to scraper bowl 14.Work as swing arm cylinder
During 15 action, the base end part of master arm 11 is rotated centered on rotary shaft AX1, before master arm 11
Move in the vertical direction end.When dipper cylinder 17 is acted, the base end part of dipper 13 is with rotary shaft
Rotated centered on AX2, the leading section of dipper 13 is moved in the vertical direction.When scraper bowl cylinder 18 is acted,
The base end part of scraper bowl 14 is rotated centered on rotary shaft AX3, and the crown 14B of scraper bowl 14 is in above-below direction
Upper movement.
It can make scraper bowl 14 in the overall width of upper rotation 20 as the working rig 10 of offset working rig
Side is moved up.Biasing cylinder 16 is acted, and biasing swing arm 12 is rotated centered on the first bias axis, thus
Dipper 13 and scraper bowl 14 are moved up in overall width side.Dipper 13 with it is inclined centered on the first bias axis
The rotation for putting swing arm 12 is synchronously rotated centered on the second bias axis.Thus, maintaining multiple teeth
In the state of sharp 14B is configured on overall width direction, dipper 13 is parallel on overall width direction with scraper bowl 14 to be moved
It is dynamic.
Scraper bowl 14 is configured at the front of upper rotation 20.By biasing the action of cylinder 16, scraper bowl 14
The front of driver's seat 21 can be moved to.
Upper rotation 20 has：Inclined floor 60；Driver's seat 21, it is supported in inclined floor
60, taken one's seat for driver；Ceiling 23, it is supported in inclined floor 60 by pillar 24, and has
Skylight 22；And action bars 25, it is operated by driver.
Action bars 25 includes：Working rig bar 25A, it is used to operate working rig 10；And
Walking rod 25B, it is used to operate lower running body 30.Working rig bar 25A is respectively configured
In the right and left of driver's seat 21.Walking rod 25B is configured at the front of driver's seat 21.
Lower running body 30 has a pair of crawler belts 31.Pass through the rotation of crawler belt 31, hydraulic crawler excavator
1A is walked.In addition, lower running body 30 can have tire.
Hydraulic crawler excavator 1 has being capable of inclined inclined floor 60.As shown in Fig. 3 double dot dash line,
Inclined floor 60 is tilted forwards.For example in the upkeep operation of hydraulic crawler excavator 1, make inclined floor
60 tilt forwards, to implement engine or the dimension of equipment in the inside configuration of upper rotation 20
Protect operation.The gas spring 70 and torsion bar set by the space of the lower face side in inclined floor 60
50, move inclined floor 60.
Fig. 4 is the side view for representing torsion bar 50 of the present embodiment and gas spring 60.Fig. 5 is
Represent the stereogram of torsion bar 50 of the present embodiment and gas spring 60.Fig. 4 and Fig. 5 are represented
The state that inclined floor 60 is not inclined by.
As shown in FIG. 4 and 5, inclined floor 60 can be supported obliquely by linkage 29
In the vehicle frame 27 of upper rotation 20.Provided with the branch supported to inclined floor 60 on vehicle frame 27
Bearing portion part 28.Bracket 61 is provided with the front portion of the lower surface of inclined floor 60.The support of inclined floor 60
Frame 61 is supported in supporting member 28 by linkage 29.In the present embodiment, linkage
29 rotary shaft is parallel with rotary shaft AX1, AX2 and AX3 of working rig 10.
Hydraulic crawler excavator 1 has：Gas spring 70, it is supported in vehicle frame 27, and generation makes inclination bottom
The power that plate 60 is moved；Torsion bar 50, it is supported in vehicle frame 27, and the movement of ancillary oblique bottom plate 60；
And guide member 80, it is supported in vehicle frame 27, and guides torsion bar 50 at least in the vertical direction
A part.
Gas spring 70 is connected with vehicle frame 27 and inclined floor 60, and generation makes what inclined floor 60 was moved
Spring force.Gas spring 70 with inclined floor 60 in the state of being connected, by the way that inclined floor 60 is moved
Dynamic first tilt quantity, can move inclined floor 60.Gas spring 70 has：Cylinder 72；And
The piston rod 74 (reference picture 6) that can be moved relative to cylinder 72.The upper end of gas spring 70 passes through
Linkage 76 is connected with inclined floor 60.Bracket 62 is provided with the lower surface of inclined floor 60.Gas
The upper end of spring 70 is connected by linkage 76 with bracket 62.The bottom of gas spring 70 passes through
Linkage is connected with least a portion of vehicle frame 27.
Torsion bar 50 is supported in the supporting member 26 set on vehicle frame 27, and produces ancillary oblique bottom
The restoring force of the movement of plate 60.Torsion bar 50 has：First bar portion 51, it is supported in vehicle frame 27
Supporting member 26, can produce the restoring force relative to torsional deflection；Second bar portion 52, it is with first
The one end connection of bar portion 51, can be in contact with least a portion of the lower surface of inclined floor 60；
And the 3rd bar portion 53, it is connected with the other end of the first bar portion 51.Torsion bar 50 is in the second bar portion
In the state of 52 are in contact with inclined floor 60, inclined floor 60 is moved smaller than the first tilt quantity
Second tilt quantity carrys out the movement of ancillary oblique bottom plate 60.
First bar portion 51 is upwardly extended in overall width side.First bar portion 51 twist deformation when, this first
Bar portion 51 produces the restoring force relative to torsional deflection.Fig. 4 and Fig. 5 represent that the first bar portion 51 occurs
The state of torsional deflection.Supporting member 26 includes：A part to the first bar portion 51 supported the
One supporting member 26A；And the second supporting member supported to another part of the first bar portion 51
26B。
Second bar portion 52 is that left part is connected with the one end in the overall width direction of the first bar portion 51.Second bar
Portion 52 rearward extends from the left part of the first bar portion 51.The state not being inclined by inclined floor 60
Under, the rearward end of the second bar portion 52 is in contact with the lower surface of inclined floor 60.In inclined floor 60
In the state of not being inclined by, the second bar portion 52 is inclined by bottom plate 60 and is pressurized from above by.Second bar portion 52
When being pressed from top, the first bar portion 51 twists deformation.First bar portion 51 is produced relative to torsion
The restoring force of deformation.Due to the restoring force of the first bar portion 51, the second bar portion of the pressing of bottom plate 60 is inclined by
52 are intended to be moved upward.In the state of shown in Fig. 4 and Fig. 5, inclined floor 60 is from the second bar portion
52 by the power for being moved upward it.
3rd bar portion 53 is that right part is connected with the other end in the overall width direction of the first bar portion 51.3rd
The right part of bar portion 53 from the first bar portion 51 rearward extends.3rd bar portion 53 is shorter in length than second
The length of bar portion 52.3rd bar portion 53 is not contacted with inclined floor 60.The directed section of 3rd bar portion 53
Part 80 is guided.
Guide member 80 is supported in vehicle frame 27, and guides the 3rd bar portion 53 to allow it to above and below
Side is moved up.Guide member 80 has the guiding groove 82 configured for the 3rd bar portion 53.In this implementation
In mode, guiding groove 82 is through the preceding surface of guide member 80 and the bullport on rear surface.Guiding groove
82 is longer in the vertical direction.
As shown in figure 5, guiding groove 82 includes：Lower surface 84, it can be contacted with the 3rd bar portion 53；
Upper surface 86；First guide surface 88A, it extends in the vertical direction；And the second guide surface 88B,
It extends in the vertical direction, and opposed across with gap with the first guide surface 88A.First guide surface
88A and the second guide surface 88B are configured on overall width direction.First guide surface 88A is towards overall width direction
Left.Rights of the second guide surface 88B towards overall width direction.Lower surface 84 and upper surface 86 pass through
First guide surface 88A and the second guide surface 88B connections.
The profile chi of first guide surface 88A and the second guide surface 88B gap size and the 3rd bar portion 53
Very little essence is equal or more slightly larger than the appearance and size of the 3rd bar portion 53.Guiding groove 82 is in the vertical direction
Size is more than size of the guiding groove 82 on overall width direction.That is, guiding groove 82 is longer in the vertical direction.
3rd bar portion 53 is in the state of it is configured in guiding groove 82, and the movement on overall width direction is by first
Guide surface 88A and the second guide surface 88B limitations, and movement in the vertical direction is allowed to.
Below, an example of the action of inclined floor 60 of the present embodiment is illustrated.Fig. 6 is
Represent the side view of the torsion bar 50 and gas spring 70 when inclined floor 60 of the present embodiment is moved
Figure.Fig. 7 is to represent the torsion bar 50 and gas spring when inclined floor 60 of the present embodiment is moved
70 stereogram.
For example operator releases the locking of inclined floor 60 and vehicle frame 27, inclined floor 60 is started shifting
It is dynamic.During operator's lifting inclined floor 60, gas spring 70 produces the power for moving inclined floor 60.
In addition, the first bar portion 51 twists, the torsion bar 50 of deformation produces restoring force, ancillary oblique bottom plate 60
Movement.
Second bar portion 52, in the state of it is in contact with inclined floor 60, passes through the first bar portion 51
Restoring force be moved upward the movement for carrying out ancillary oblique bottom plate 60.Pass through the first bar in the second bar portion 52
The restoring force in portion 51 and when moving, the 3rd bar portion 53 is not moved.Pass through the first bar in the second bar portion 52
The restoring force in portion 51 and when moving, the 3rd bar portion 53 continues to be supported in the lower surface 84 of guiding groove 82.
The moving range of second bar portion 52 is preset caused by the restoring force of the first bar portion 51.The
Two bar portions 52 pass through the restoring force of the first bar portion 51 in the state of it is in contact with inclined floor 60
To move the second tilt quantity.The mobile model of second bar portion 52 caused by the restoring force by the first bar portion 51
In enclosing, the restoring force of power and torsion bar 50 generation that inclined floor 60 is produced by gas spring 70 this two
Power is planted to move.
When the restoring force of first bar portion 51 disappears and the second bar portion 52 moves the second tilt quantity, by the
The mobile stopping of second bar portion 52 caused by the restoring force of one bar portion 51.
Gas spring 70 can make the movement of inclined floor 60 bigger than as the second tilt quantity produced by torsion bar 50
The first tilt quantity.Even if the movement of second bar portion 52 stops caused by the restoring force by the first bar portion 51
After only, inclined floor 60 can also be moved by the power that gas spring 70 is produced.That is, even if by first
Caused by the restoring force of bar portion 51 after the mobile stopping of second bar portion 52, the inclination of inclined floor 60 is moved
Make by the power that gas spring 70 is produced can also proceed.Cause in the restoring force by the first bar portion 51
The second bar portion 52 mobile stopping after, inclined floor 60 is moved by the power that gas spring 70 is produced.
Pass through power that gas spring 70 is produced and movement in the mobile stopping hypsokinesis inclined bottom plate 60 of the second bar portion 52
Amount of movement be equal to the first tilt quantity for being produced by gas spring 70 and the second tilt quantity for being produced by torsion bar 50 it
Difference.
During moving inclined floor 60 by gas spring 70, the movement of inclined floor 60 due to
The effect of blocking mechanism (not shown) and stop, and terminate movement.In the present embodiment, by stopping
Mechanism, to set the slant range for the mobile range for representing inclined floor 60.Inclined floor 60 is in rule
Moved in fixed slant range.
Fig. 6 and Fig. 7 represent that the movement of inclined floor 60 stops due to the effect of blocking mechanism, incline
Inclined bottom plate 60 is configured to the state of the upper end of slant range.Inclination is configured in inclined floor 60
In the state of the upper end of scope, inclined floor 60 is separated with torsion bar 50.3rd bar portion 53 is supported by
In the lower surface 84 of guiding groove 82.
However, in the lower surface of inclined floor 60, often provided with cable, flexible pipe and electric wire so
Wiring etc..Caused by the restoring force by the first bar portion 51 after the mobile stopping of second bar portion 52, have
May be in the state of torsion bar 50 be tangled by the wiring etc., inclined floor 60 is produced by gas spring 70
Power and continue to move to.
Below, illustrate to be located at the situation that wiring of the lower surface of inclined floor 60 etc. is tangled in torsion bar 50
Under, an example of the action of inclined floor 60.Fig. 8 is represented to be connected up etc. in torsion bar 50 and tangled
In the case of the torsion bar 50 and gas spring 70 of inclined floor 60 of the present embodiment when moving side
View.Fig. 9 is to represent of the present embodiment in the case where torsion bar 50 is connected up etc. and tangled to tilt
The stereogram of torsion bar 50 and gas spring 70 when bottom plate 60 is moved.
It is located in torsion bar 50 in the case that wiring of the lower surface of inclined floor 60 etc. tangles, even if
By caused by the restoring force of the first bar portion 51 it is mobile stop after, also can as shown in FIG. 8 and 9,
Second bar portion 52 is inclined by bottom plate 60 because of wiring etc. and pulled, and is moved upward.That is, even if second
Bar portion 52 move the second tilt quantity after, the second bar portion 52 as wiring etc. and further upward
It is mobile.
In the present embodiment, the 3rd guide portion 53 turns into the guiding groove 82 of guide member 80.3rd
The movement of guide portion 53 in the vertical direction is allowed.Bottom plate is being inclined by due to the second bar portion 52
60 are pulled upward, and the rearward end of the second bar portion 52 is revolved centered on the pivot of the first bar portion 51
Turn be moved upward in the case of, the 3rd bar portion 53, with the second bar portion 52 synchronously, the 3rd bar portion
53 rearward end is rotatably moved upward centered on the pivot of the first bar portion 51.That is, at this
In embodiment, from caused by the restoring force of the first bar portion 51 it is mobile stop after the second bar portion 52 still to
Top move when, the guided member 80 of the 3rd bar portion 53 guiding ground together with the second bar portion 52 upward
It is mobile.
As shown in FIG. 8 and 9, inclined floor 60 stops in the upper end of slant range.In Fig. 8
And in the example shown in Fig. 9, represent the rearward end in the second bar portion 52 and the following table of inclined floor 60
In the state of face is in contact, the state of the upper end of slant range is moved to together with inclined floor 60.
Along with the movement of the second bar portion 52 upward, the 3rd bar portion 53 is also moved upward, therefore such as
Shown in Fig. 8 and Fig. 9, the 3rd bar portion 53 is left from the lower surface 84 of guiding groove 82.3rd bar portion
53 synchronously move with the second bar portion 52, therefore the first bar portion 51 does not twist deformation.The 3rd
In the state of bar portion 53 is separated with the lower surface 84 of guiding groove 82, the torsional deflection of the first bar portion 51 is real
Matter is zero.
Even if the second bar portion 52 of torsion bar 50 is connected up etc. and tangled, also can be by the second bar portion 52 with inclining
Inclined bottom plate 60 is moved upward together, and the power that can suppress excessive acts on wiring etc..In addition, the 3rd
Bar portion 53 can movably guided member 80 be guided in above-below direction.Therefore, the energy of the 3rd bar portion 53
It is enough to be synchronously moved upward with the second bar portion 52.Therefore, it is possible to suppress the first bar portion 51 to opposite direction
Reverse, suppress the breakage of torsion bar 50.
In the present embodiment, in order to be configured to the upper end of slant range, in inclined floor 60
Two guide portions 52 are moved together with inclined floor 60 to the upper end of slant range, the 3rd guide portion 53
When being synchronously moved upward with second guide portion 52, the 3rd guide portion 53 and guiding groove 82 are not made
Upper surface 86 be in contact, and based on the slant range that inclined floor 60 is configured in the second bar portion 52
Upper end when, the height Pa of the 3rd bar portion 53 and be configured in the second bar portion 52 by the first bar portion
Caused by 51 restoring force during the upper end of the moving range of the second bar portion 52, the 3rd bar portion 53
Height Pb, to set the size of guiding groove 52.
Figure 10 is the slant range and guide member for illustrating inclined floor 60 of the present embodiment
The schematic diagram of the relation of size between 80 guiding groove 82.
In Fig. 10, dotted line is to schematically show second under the non-heeling condition that reference picture 4 illustrates
The line of the bar portion 53 of bar portion 52 and the 3rd.Solid line is to schematically show that reference picture 6 illustrates by the
The restoring force of one bar portion 51 and the line of the second bar portion 52 of movement.That is, solid line represents that mobile second tilts
The second bar portion 52 after amount.Single dotted broken line is to schematically show the second bar portion 52 that reference picture 8 illustrates
The line for tangling and being inclined by the second bar portion 52 that bottom plate 60 drives and the 3rd bar portion 53 such as connected up.
In Fig. 10, height Pa represents to be configured at the slant range of inclined floor 60 in the second bar portion 52
Upper end when, the height of the 3rd bar portion.That is, height Pa is represented in the second bar portion 52 with tilting bottom
When plate 60 is driven in the state of being in contact, the 3rd bar portion 53 height.Height Pb is represented
Two bar portions 52 are configured at the moving range of second bar portion 52 caused by the restoring force of the first bar portion 51
During upper end, the 3rd bar portion 53 height.That is, height Pb is represented in the second bar portion 52 movement the
During two tilt quantities, the 3rd bar portion 53 height.
In the present embodiment, the first guide surface 88A and the second guide surface 88B of guiding groove 82 exist
More than the difference Δ Ha that size on above-below direction is height Pa and height Pb.The first of guiding groove 82 is drawn
The size of guide face 88A and the second guide surface 88B in the vertical direction is equivalent under guiding groove 82
Size untill the guide surface of end face 84 to the first 88A and the second guide surface 88B upper end, at this
In embodiment, the size refers to the distance of lower surface 84 and upper surface 86 in the vertical direction.
I.e., in the present embodiment, the first guide surface 88A and the second guide surface 88B are in above-below direction
On size be more than the amount of movement of the 3rd bar portion 53 in the vertical direction.Thus, even if the second bar portion 52
It is inclined by bottom plate 60 to drive, can also suppresses the 3rd bar portion 53 and connect with the upper surface 86 of guiding groove 82
Touch and limit the movement of the 3rd bar portion 53.
As described above, according to present embodiment, even if the second bar portion 52 of torsion bar 50 is being inclined
Wiring that the lower surface of inclined bottom plate 60 is set etc. is tangled, and can also pass through the second bar portion 52 and inclined floor
60 are moved upward together, and wiring etc. is acted on to suppress excessive power.In addition, according to this embodiment party
Formula, hydraulic crawler excavator 1 has what the 3rd bar portion 53 of guiding allowed it to move in the vertical direction to draw
Lead part 80.Therefore, in the case where the second bar portion 52 is moved upward, the 3rd bar portion 53 can
The guiding of guided member 80 ground is synchronously moved upward with the second bar portion 52.Therefore, it is possible to suppress
One bar portion 51 is reversed to opposite direction, suppresses the breakage of torsion bar 50.
In addition, according to present embodiment, being moved in the second bar portion 52 by the restoring force of the first bar portion 51
When dynamic, the 3rd bar portion 53 does not move and is constantly supported in the lower surface 84 of guiding groove 82.Therefore,
The restoring force of first bar portion 51 is sufficiently transferred to inclined floor 60 via the second bar portion 52, so as to
Enough give full play to the miscellaneous function for moving inclined floor 60 by torsion bar 50.
In addition, according to present embodiment, second bar portion 52 caused by the restoring force by the first bar portion 51
Mobile stopping after, the power for continuing through the generation of gas spring 70 carries out the tilting action of inclined floor 60.
Therefore, it is second bar caused by the restoring force of the first bar portion 51 in the leading portion of the movement of inclined floor 60
In the moving range in portion 52, power and torsion bar 50 that inclined floor 60 can be produced by gas spring 70
The restoring force of generation both power are moved.In addition, inclined floor 60 movement back segment i.e. by the
Caused by the restoring force of one bar portion 51 after the mobile end of second bar portion 52, inclined floor 60 can lead to
The power of the generation of gas spring 70 is crossed to move.Even if moreover, caused by the restoring force by the first bar portion 51
When the second bar portion 52 is moved upward with being inclined by the drive of bottom plate 60 after mobile stopping, by making the 3rd bar
Portion 53 is synchronously moved upward with guiding by guide member 80 with the 3rd bar portion 52, can also be suppressed
The breakage of torsion bar 50 and wiring etc..
In addition, in the present embodiment, configuring the guiding groove 82 of the guide member 80 of the 3rd bar portion 53
Including：Lower surface 84, it can be contacted with the 3rd bar portion 53；First guide surface 88A, it is above and below
Side is upwardly extended；And the second guide surface 88B, it extends in the vertical direction, and with the first guide surface
88A is opposed across with gap.The 3rd is limited by the first guide surface 88A and the second guide surface 88B
Movement of the bar portion 53 on overall width direction, therefore the 3rd bar portion 53 can move stably in the vertical direction
It is dynamic.
In addition, in the present embodiment, the inclination model of inclined floor 60 will be configured in the second bar portion 52
During the upper end enclosed, the 3rd bar portion 53 height is set to Pa, will be configured in the second bar portion 52 by
Caused by the restoring force of first bar portion 51 during the upper end of the moving range of the second bar portion 52, the 3rd bar
When the height in portion 53 is set to Pb, the size of guiding groove 82 in the vertical direction is height Pa and height
It is more than Pb difference.It is in contact thereby, it is possible to suppress the 3rd bar portion 53 with the upper surface 86 of guiding groove 82
And the situation that the movement of the 3rd bar portion 53 is restricted.
In addition, in the present embodiment, being separated in the 3rd bar portion 53 with the lower surface 84 of guiding groove 82
In the state of, the torsional deflection of the first bar portion 51 is substantially zero.In the 3rd bar portion 53 and guiding groove 82
Lower surface 84 separate in the state of, the first bar portion 51 is the release conditions that do not twist, therefore energy
The power for enough suppressing excessive acts on torsion bar 50.
In addition, in the present embodiment, guiding groove 82 has upper surface 86.But upper surface can be omitted
86.That is, guiding groove 82 can include lower surface 84, the first guide surface 88A and the second guide surface 88B,
And top is opened.Now, by by the first guide surface 88A and the second guide surface 88B in upper and lower
Upward size is set to more than height Pa and height Pb difference, can suppress the 3rd guide portion 53 from drawing
Guide groove 82 comes off.
In addition, in the respective embodiments described above, it is assumed that working truck is hydraulic crawler excavator, but is not limited to
Hydraulic crawler excavator.The torsion bar 50 and guide member 80 illustrated in the respective embodiments described above can be applicable
In whole working trucks with inclined floor.
Claims (5)
1. a kind of working truck, it is characterised in that including：
Inclined floor, it can obliquely be supported in vehicle frame by linkage；
Gas spring, it is supported in the vehicle frame, by producing the power for moving the inclined floor, the inclined floor can be moved into the first tilt quantity；
Torsion bar, it has：First bar portion, it is supported in the vehicle frame, can produce the restoring force relative to torsional deflection；Second bar portion, it is connected with the one end of first bar portion, can be in contact with least a portion of the lower surface of the inclined floor；And the 3rd bar portion, it is connected with the other end of first bar portion, and the torsion bar by the inclined floor movement second tilt quantity smaller than first tilt quantity by aiding in the movement of the inclined floor；And
Guide member, it is supported in the vehicle frame, guides the 3rd bar portion to allow it to move in the vertical direction.
2. working truck according to claim 1, it is characterised in that：
Caused by the restoring force by first bar portion after the mobile stopping of second bar portion, continue through power that the gas spring produces to move the inclined floor,
When second bar portion is still moved upward after mobile stopping caused by the restoring force by first bar portion, the 3rd bar portion is moved upward with guiding by the guide member.
3. the working truck according to claims 1 or 2, it is characterised in that：
The guide member has the guiding groove configured for the 3rd bar portion,
The guiding groove includes：Lower surface, it can be contacted with the 3rd bar portion；First guide surface, it extends in the vertical direction；And second guide surface, it extends in the vertical direction, and opposed across with gap with first guide surface.
4. working truck according to claim 3, it is characterised in that：
The inclined floor is moved in defined slant range,
The height of when second bar portion is configured at the upper end of the slant range, the 3rd bar portion is set to Pa, and when the height of when second bar portion is configured at the upper end of the moving range of second bar portion caused by the restoring force of first bar portion, the 3rd bar portion is set to Pb
The size of first guide surface and second guide surface in the vertical direction is more than the height Pa and height Pb difference.
5. the working truck according to claim 3 or 4, it is characterised in that：
In the state of the 3rd bar portion is separated with the lower surface, the torsional deflection of first bar portion is substantially zero.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2016/056139 WO2016108295A1 (en) | 2016-02-29 | 2016-02-29 | Work vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107306494A true CN107306494A (en) | 2017-10-31 |
| CN107306494B CN107306494B (en) | 2018-10-16 |
Family
ID=56284448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680000492.1A Active CN107306494B (en) | 2016-02-29 | 2016-02-29 | Working truck |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP6033992B1 (en) |
| CN (1) | CN107306494B (en) |
| DE (1) | DE112016000022B4 (en) |
| WO (1) | WO2016108295A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109778930A (en) * | 2017-11-13 | 2019-05-21 | 韩国汽车科技有限公司 | Heavy equipment swing arm weight compensation means |
| CN111845966A (en) * | 2020-06-22 | 2020-10-30 | 东风柳州汽车有限公司 | Over-and-under type driver's cabin suspension mechanism |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11878743B2 (en) | 2020-08-20 | 2024-01-23 | Doosan Bobcat North America Inc. | Assist mechanism for moving cab on power machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4253700A (en) * | 1978-07-24 | 1981-03-03 | Fiat Veicoli Industriali S.P.A. | Motor vehicle with tiltable cab |
| JPS62143577U (en) * | 1986-03-05 | 1987-09-10 | ||
| JP2000072048A (en) * | 1998-08-28 | 2000-03-07 | Takeuchi Seisakusho:Kk | Working vehicle |
| CN1497107A (en) * | 2002-10-23 | 2004-05-19 | 株式会社小松制作所 | Technical vehicle with sloping baseplate |
| CN101119886A (en) * | 2005-01-31 | 2008-02-06 | 株式会社小松制作所 | Working vehicle with tilt floor |
| CN201258028Y (en) * | 2008-05-26 | 2009-06-17 | 福田雷沃国际重工股份有限公司 | Turnover mechanism of driver's cab |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3809954B2 (en) * | 2002-10-23 | 2006-08-16 | 株式会社小松製作所 | Work vehicle with tilt floor |
| CN1922042A (en) * | 2003-12-17 | 2007-02-28 | 威廉·L·麦西萨克 | Vehicle with movable and inwardly tilting safety body |
-
2016
- 2016-02-29 CN CN201680000492.1A patent/CN107306494B/en active Active
- 2016-02-29 WO PCT/JP2016/056139 patent/WO2016108295A1/en active Application Filing
- 2016-02-29 DE DE112016000022.7T patent/DE112016000022B4/en active Active
- 2016-02-29 JP JP2016533226A patent/JP6033992B1/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4253700A (en) * | 1978-07-24 | 1981-03-03 | Fiat Veicoli Industriali S.P.A. | Motor vehicle with tiltable cab |
| JPS62143577U (en) * | 1986-03-05 | 1987-09-10 | ||
| JP2000072048A (en) * | 1998-08-28 | 2000-03-07 | Takeuchi Seisakusho:Kk | Working vehicle |
| CN1497107A (en) * | 2002-10-23 | 2004-05-19 | 株式会社小松制作所 | Technical vehicle with sloping baseplate |
| CN101119886A (en) * | 2005-01-31 | 2008-02-06 | 株式会社小松制作所 | Working vehicle with tilt floor |
| CN201258028Y (en) * | 2008-05-26 | 2009-06-17 | 福田雷沃国际重工股份有限公司 | Turnover mechanism of driver's cab |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109778930A (en) * | 2017-11-13 | 2019-05-21 | 韩国汽车科技有限公司 | Heavy equipment swing arm weight compensation means |
| CN111845966A (en) * | 2020-06-22 | 2020-10-30 | 东风柳州汽车有限公司 | Over-and-under type driver's cabin suspension mechanism |
| CN111845966B (en) * | 2020-06-22 | 2022-06-28 | 东风柳州汽车有限公司 | Over-and-under type driver's cabin suspension mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| DE112016000022B4 (en) | 2018-01-04 |
| DE112016000022T5 (en) | 2016-12-01 |
| JP6033992B1 (en) | 2016-11-30 |
| WO2016108295A1 (en) | 2016-07-07 |
| CN107306494B (en) | 2018-10-16 |
| JPWO2016108295A1 (en) | 2017-04-27 |
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