CN109050490A - Support leg device and special vehicle - Google Patents
Support leg device and special vehicle Download PDFInfo
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- CN109050490A CN109050490A CN201811163004.6A CN201811163004A CN109050490A CN 109050490 A CN109050490 A CN 109050490A CN 201811163004 A CN201811163004 A CN 201811163004A CN 109050490 A CN109050490 A CN 109050490A
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- support leg
- oscillating
- leg
- supporting leg
- vertical supporting
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- 230000007246 mechanism Effects 0.000 claims abstract description 54
- 239000003381 stabilizer Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 13
- 230000008901 benefit Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000008278 dynamic mechanism Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S9/00—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks
- B60S9/02—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for only lifting or supporting
- B60S9/10—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for only lifting or supporting by fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S9/00—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks
- B60S9/02—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for only lifting or supporting
- B60S9/10—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for only lifting or supporting by fluid pressure
- B60S9/12—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for only lifting or supporting by fluid pressure of telescopic type
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The present invention provides a kind of support leg device and special vehicles, support leg device includes outrigger arm and vertical supporting leg, vertical supporting leg is fixed on the lower section of outrigger arm end, support leg device further include: oscillating support leg and the first driving mechanism, the rotation connection of the end of oscillating support leg and outrigger arm, and oscillating support leg is located at the outside of vertical supporting leg, the first driving mechanism is arranged between oscillating support leg and outrigger arm or is arranged between oscillating support leg and vertical supporting leg, for driving oscillating support leg confronting legs arm to rotate.The support leg device that this programme provides supports vehicle by vertical supporting leg and oscillating support leg jointly, and the bearing capacity of support leg device is strong, and support leg device is fairly simple, and cost is relatively low.When vehicle operation span is larger, the first driving mechanism drives oscillating support leg to be turned out, and increases the angle of oscillating support leg and outrigger arm, to increase stabilizer blade span to promote the adaptability of the resistant to tipping ability of vehicle, operation stability and special operation condition.
Description
Technical field
The present invention relates to mechanical equipment technical fields, more specifically, are related to a kind of support leg device, and a kind of with upper
State the special vehicle of support leg device.
Background technique
The support leg device of the special vehicles such as existing fire fighting truck is as shown in Figure 1, support leg device includes and vertical supporting leg 1 ' and branch
Leg arm 2 ', 2 ' inner end of outrigger arm are connect with vehicle frame, and vertical supporting leg 1 ' is mounted on 2 ' outer end of outrigger arm, but vertical supporting leg 1 ' can only be with
Outrigger arm 2 ' is kept for 90 °, and supporting leg span is short, and vehicle operation span is easy to happen inclination and rollover when larger, causes safety accident.
In the related technology, the Chinese patent of Patent No. CN201720894574.7 discloses a kind of track combined lifting of leg
Machine hydraulic leg uses spider-shaped structure and designs, as shown in Fig. 2, the track combined crane hydraulic leg of leg includes ground connection support
It is disk 1a ', interior supporting leg 2a ', outer supporting leg 3 ', landing leg stretching oil cylinder 4 ', middle frame 5 ', main supporting leg 6 ', main supporting leg oscillating oil cylinder 7 ', outer
Supporting leg oscillating oil cylinder 8 ' and pedestal 9 '.Ground connection pallet 1a ' is installed on the lower part interior supporting leg 2a ', is cut with scissors by pin shaft and interior supporting leg 2a '
It connects.Interior supporting leg 2a ' is set in outer supporting leg 3 ', hinged by 4 ' both ends pin shaft of landing leg stretching oil cylinder.It is sold on landing leg stretching oil cylinder 4 '
Axis is hinged by outer supporting leg 3 ' and middle frame 5 ' simultaneously.Middle frame 5 ' is welded as a whole with main supporting leg 6 '.Outer supporting leg oscillating oil cylinder 8 '
Loaded in main supporting leg 6 ', main supporting leg 6 ' and outer supporting leg 3 ' are respectively articulated with by pin shaft.Main 6 ' lower part of supporting leg passes through pin shaft and pedestal
9 ' is hinged.Main 7 ' upper and lower side of supporting leg oscillating oil cylinder passes through pin shaft and middle frame 5 ' respectively and pedestal 9 ' is hinged.Leg track combined
Heavy-duty machine hydraulic leg is mounted on rack 11 ' and chassis by pin shaft 10 '.Although the design can increase supporting leg span, supporting leg
Device is excessively complicated, and cost is excessively high, and supporting leg occupied space is big, stability of strutting system is insufficient.
Summary of the invention
Present invention seek to address that at least one the technical problems existing in the prior art.
For this purpose, a kind of support leg device simple it is an advantage of the invention to provide structure and that span can be increased.
It is a further object of the invention to provide a kind of special vehicles with above-mentioned support leg device.
To achieve the above object, the embodiment of first aspect present invention provides a kind of support leg device, including outrigger arm and
Vertical supporting leg, the vertical supporting leg are fixed on the lower section of the outrigger arm end, the support leg device further include: oscillating support leg and
The end of first driving mechanism, the oscillating support leg and the outrigger arm is rotatablely connected, and the oscillating support leg is located at described erect
The outside of allotment leg, first driving mechanism are arranged between the oscillating support leg and the outrigger arm or are arranged in the pendulum
Between dynamic supporting leg and vertical supporting leg, for driving the oscillating support leg to rotate relative to the outrigger arm.
This programme is equivalent to installs an oscillating support leg additional and for driving oscillating support leg to rotate on traditional support leg device
First driving mechanism, support leg device support vehicle by vertical supporting leg and oscillating support leg jointly, and the bearing capacity of support leg device is strong, and
Support leg device is fairly simple, and cost is relatively low.When oscillating support leg is closed, oscillating support leg and outrigger arm are in 90 ° or close to 90 °, vehicle
When the span that works is smaller, the first driving mechanism does not work, and oscillating support leg and vertical supporting leg support ground, compared with traditional supporting leg,
Quantity equivalent to increase vertical supporting leg；When vehicle operation span is larger, the first driving mechanism drives oscillating support leg to turn outward
It is dynamic, increase the angle of oscillating support leg and outrigger arm, to increase stabilizer blade span to promote the resistant to tipping ability of vehicle, operation stabilization
The adaptability of property and special operation condition.
According to one embodiment of present invention, first driving mechanism is oscillating oil cylinder, the cylinder body of the oscillating oil cylinder
It is rotatably connect with one in piston rod with the oscillating support leg, another can turn with the outrigger arm or vertical supporting leg
It connects dynamicly.
In the present solution, first driving device selects oscillating oil cylinder, the bearing capacity of design support leg device in this way is strong, and first drives
Dynamic mechanism structure is simple, high reliablity.When vehicle needs large span operation, the piston rod of oscillating oil cylinder extends, and makes oscillating support leg
It is turned out, to increase supporting leg span, to promote the adaptation of the resistant to tipping ability, operation stability and special operation condition of vehicle
Property.After operation, the piston rod of oscillating oil cylinder is recycled, and rotates oscillating support leg inwardly close to car body, so that it is whole to reduce vehicle
Body width, to promote trafficability.
Wherein preferably, the piston rod of the oscillating oil cylinder is rotatably connect with the oscillating support leg, oscillating oil cylinder
Cylinder body rotatably connect with the outrigger arm or vertical supporting leg.
In the above-described embodiments, optionally, the side of the rotational plane of the oscillating support leg is equipped with oscillating oil cylinder.
This programme drives oscillating support leg rotation by an oil cylinder, and design oil cylinder dosage in this way is few, and product cost is lower.
In the above-described embodiments, optionally, the two sides of the rotational plane of the oscillating support leg are equipped with oscillating oil cylinder.
Oscillating oil cylinder is respectively set in the two sides of oscillating support leg rotational plane in this programme, is driven by two oil cylinder simultaneous retractables
Oscillating support leg rotation, in this way design support leg device bearing capacity are stronger.
According to another embodiment of the invention, first driving mechanism includes sliding block, connecting rod and motor, the sliding block
It is mounted on the oscillating support leg and can be slided along the length direction of the oscillating support leg, the motor is fixedly mounted on described
On outrigger arm or vertical supporting leg, and the output shaft of the motor is connect with the first end of the connecting rod, for driving the connecting rod
Rotation, the second end of the connecting rod are rotatably connect with the sliding block；Or, first driving mechanism includes sliding block, connects
Bar and motor, the sliding block are mounted on the outrigger arm or vertical supporting leg and can be along the length of the outrigger arm or vertical supporting leg
Direction sliding is spent, the motor is fixedly mounted on the oscillating support leg, and the of the output shaft of the motor and the connecting rod
One end connection, for driving the link rotatable, the second end of the connecting rod is rotatably connect with the sliding block.In sliding block
It is mounted in the scheme on oscillating support leg, when vehicle needs large span operation, motor output shaft drives link rotatable, makes connecting rod
Second end band movable slider is slided to oscillating support leg upper end, while oscillating support leg being pushed to laterally rotate, thus increase supporting leg span,
To promote the resistant to tipping ability of vehicle, the adaptability of operation stability and special operation condition.After operation, motor output shaft is driven
Connecting rod rotates backward, and slides the second end band movable slider of connecting rod to oscillating support leg lower end, while oscillating support leg being pulled inwardly to turn
It moves close to car body, to reduce vehicle overall width, to promote trafficability.Outrigger arm or vertical supporting leg are mounted in sliding block
On scheme in, when vehicle needs large span operation, motor output shaft drive link rotatable, make connecting rod second end band movable slider
It is slided to outrigger arm outer end, while connecting rod will push oscillating support leg and laterally rotate, to increase supporting leg span, to promote vehicle
Resistant to tipping ability, the adaptability of operation stability and special operation condition.After operation, motor output shaft drives connecting rod reversely to turn
It is dynamic, so that the second end of connecting rod is driven the sliding of slider block leg arm inner end, while connecting rod will pull oscillating support leg and inwardly rotate close to vehicle
Body, to reduce vehicle overall width, to promote trafficability.
Specifically, sliding slot is provided with along the length direction of the oscillating support leg, the sliding block is mounted in the sliding slot；
Or, the length direction along the outrigger arm or vertical supporting leg is provided with sliding slot, the sliding block is mounted in the sliding slot.Motor can
To be hydraulic motor or electric motor.
According to another embodiment of the invention, first driving mechanism includes motor, driving wheel, driven wheel, described
Motor is fixed on the outrigger arm, and the output shaft of the motor is fixedly connected with the driving wheel, the driving wheel with it is described
Driven wheel engagement, the driven wheel are fixed on the vertical supporting leg, the center of rotation of the driven wheel and the oscillating support leg
Center of rotation it is coaxial.
When vehicle needs large span operation, motor drives oscillating support leg outside by driving wheel, driven wheel cooperation transmission
Side rotation, to increase supporting leg span, to promote the resistant to tipping ability of vehicle, the adaptability of operation stability and special operation condition.
After operation, motor reversion drives oscillating support leg inwardly to rotate close to car body by driving wheel, driven wheel cooperation transmission,
To reduce vehicle overall width, to promote trafficability.
Wherein, motor can be hydraulic motor or electric motor.
It should be noted that the design scheme of the first driving mechanism includes but is not limited to above several, the first driving mechanism
Can also using other design, as long as the first driving mechanism drive oscillating oil cylinder rotation.
In any of the above-described technical solution, optionally, the vertical supporting leg and/or the oscillating support leg are support oil cylinder,
The cylinder body of each support oil cylinder is connect with the outrigger arm；Or the vertical supporting leg and/or the oscillating support leg include branch
Leg shell, supporting leg support rod and the second driving mechanism being disposed there between, second driving mechanism are described for driving
Support rod is stretched out or is taken in the supporting leg shell, and each supporting leg shell is connect with the outrigger arm.
Wherein, the vertical supporting leg and/or the oscillating support leg include the second driving mechanism, and second driving mechanism is
Oil cylinder or second driving mechanism are screw nut driven component or second driving mechanism is rack pinion component.
It should be noted that the second driving mechanism can also use other design schemes, as long as the second driving device can
Drive supporting leg support rod flexible.
In any of the above-described technical solution, it is preferable that the bottom end of the vertical supporting leg and the oscillating support leg is respectively equipped with
It being capable of movable leveling base.
This programme the bottom end of oscillating support leg and vertical supporting leg setting can movable leveling base so that each supporting leg
Adapt to uneven ground.
The embodiment of second aspect of the present invention provides a kind of special vehicle, including vehicle frame and such as first aspect present invention times
The support leg device that one embodiment provides, the mounting rack of the support leg device are mounted on the vehicle frame.
The special vehicle that second aspect of the present invention embodiment provides is provided with first aspect present invention any embodiment
Support leg device, therefore the special vehicle has whole beneficial effects of the support leg device of any of the above-described embodiment offer, herein not
It repeats again.
Specifically, special vehicle provided by the invention includes fire fighting truck and engineering truck etc..
Additional aspect and advantage of the invention will become obviously in following description section, or practice through the invention
Recognize.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the structural schematic diagram of traditional support leg device；
Fig. 2 is the structural schematic diagram of the track combined crane hydraulic leg of leg in the related technology；
Fig. 3 is the structural schematic diagram for the support leg device (closed state) that one embodiment of the present of invention provides；
Fig. 4 is the overlooking structure diagram of support leg device in Fig. 3；
Fig. 5 is the structural schematic diagram in Fig. 3 under support leg device unfolded state；
Fig. 6 is the overlooking structure diagram of support leg device in Fig. 5；
Fig. 7 be another embodiment of the present invention provides support leg device structural schematic diagram；
Fig. 8 be another embodiment of the present invention provides support leg device (closed state) structural schematic diagram；
Fig. 9 is the overlooking structure diagram of support leg device in Fig. 8；
Figure 10 is the structural schematic diagram in Fig. 8 under support leg device unfolded state；
Figure 11 is the overlooking structure diagram of support leg device in Fig. 8；
Figure 12 be another embodiment of the present invention provides support leg device (closed state) structural schematic diagram；
Figure 13 is the structural schematic diagram in Figure 12 under support leg device unfolded state.
Wherein, the corresponding relationship between appended drawing reference and component names of the Fig. 3 into Figure 13 are as follows:
1 outrigger arm, 2 oscillating support legs, the cylinder body of 21 oscillating support legs, the piston rod of 22 oscillating support legs, 3 oscillating oil cylinders, 301 pendulum
The cylinder body of dynamic oil cylinder, the piston rod of 302 oscillating oil cylinders, 4 connecting shafts, 5 vertical supporting legs, the cylinder body of 501 vertical supporting legs, 502 is vertical
The piston rod of supporting leg, 6 leveling bases, 7 sliding blocks, 8 connecting rods, 9 motors, 10 driving wheels, 11 driven wheels.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
Implement in a manner of using other than the one described here, therefore, protection scope of the present invention is not by following public tool
The limitation of body embodiment.
The embodiment of first aspect present invention provides a kind of support leg device, and support leg device includes outrigger arm and vertical branch
Leg, vertical supporting leg are fixed on the lower section of outrigger arm end, support leg device further include: oscillating support leg and the first driving mechanism are swung
Supporting leg is rotatablely connected by horizontally disposed connecting shaft 4 and the end of outrigger arm, and oscillating support leg is located at the outside of vertical supporting leg,
First driving mechanism is arranged between oscillating support leg and outrigger arm or is arranged between the oscillating support leg and vertical supporting leg, is used for
Drive the rotation of oscillating support leg confronting legs arm.
This programme is equivalent to installs an oscillating support leg additional and for driving oscillating support leg to rotate on traditional support leg device
First driving mechanism, support leg device support vehicle by vertical supporting leg and oscillating support leg jointly, and the bearing capacity of support leg device is strong, and
Support leg device is fairly simple, and cost is relatively low.When oscillating support leg is closed, oscillating support leg and outrigger arm are in 90 ° or close to 90 °, vehicle
When the span that works is smaller, the first driving mechanism does not work, and oscillating support leg and vertical supporting leg support ground, compared with traditional supporting leg,
Quantity equivalent to increase vertical supporting leg；When vehicle operation span is larger, the first driving mechanism drives oscillating support leg to turn outward
It is dynamic, increase the angle of oscillating support leg and outrigger arm, to increase stabilizer blade span to promote the resistant to tipping ability of vehicle, operation stabilization
The adaptability of property and special operation condition.
It should be noted that outrigger arm can be the outrigger arm of swing, it is also possible to flexible outrigger arm, flexible supporting leg
Arm can be flexible for level-one, or multi-stage expansion no longer limits herein.
Embodiment 1:
As shown in Fig. 3 to Fig. 7, support leg device includes outrigger arm 1, oscillating support leg 2, vertical supporting leg 5 and the first driving mechanism,
Vertical supporting leg 5 is fixed on the lower section of 1 end of outrigger arm, the end that oscillating support leg 2 passes through horizontally disposed connecting shaft 4 and outrigger arm 1
Portion's rotation connection, and oscillating support leg 2 is located at the outside of vertical supporting leg 5, the first driving mechanism is oscillating oil cylinder 3, oscillating oil cylinder 3
In cylinder body 301 and piston rod 302 one rotatably connect with oscillating support leg 2, another and outrigger arm 1 or vertical supporting leg 5
Rotatably connect.
In the present solution, first driving device selects oscillating oil cylinder 3, the bearing capacity of design support leg device in this way is strong, and first
Driving mechanism structure is simple, high reliablity.When vehicle needs large span operation, the piston rod of oscillating oil cylinder 3 extends, and makes to swing branch
Leg 2 is turned out, to increase supporting leg span, to promote the suitable of the resistant to tipping ability of vehicle, operation stability and special operation condition
Ying Xing.After operation, the piston rod of oscillating oil cylinder 3 is recycled, and making oscillating support leg 2, inwardly rotation is close to car body, to reduce vehicle
Overall width, to promote trafficability.
Wherein preferably, the piston rod 302 of oscillating oil cylinder 3 is rotatably connect with oscillating support leg 2, oscillating oil cylinder 3
Cylinder body 301 is rotatably connect with outrigger arm 1 or vertical supporting leg 5.
Optionally, as shown in Figures 3 to 6, the side of the rotational plane of oscillating support leg 2 is equipped with oscillating oil cylinder 3.
This programme drives oscillating support leg 2 to rotate by an oil cylinder, and design oil cylinder dosage in this way is few, and product cost is lower.
Optionally, as shown in fig. 7, the two sides of the rotational plane of oscillating support leg 2 are equipped with oscillating oil cylinder 3.
Oscillating oil cylinder 3 is respectively set in the two sides of 2 rotational plane of oscillating support leg in this programme, passes through two oil cylinder simultaneous retractable bands
Dynamic oscillating support leg 2 rotates, and design support leg device bearing capacity in this way is stronger.
Embodiment 2:
As shown in Figs. 8 to 11, support leg device includes outrigger arm 1, oscillating support leg 2, vertical supporting leg 5 and the first driving machine
Structure, vertical supporting leg 5 are fixed on the lower section of 1 end of outrigger arm, and oscillating support leg 2 passes through horizontally disposed connecting shaft 4 and outrigger arm 1
End rotation connection, and oscillating support leg 2 is located at the outside of vertical supporting leg 5.Wherein, the first driving mechanism includes sliding block 7, connecting rod 8
With motor 9, sliding block 7 is mounted on oscillating support leg 2 and can slide along the extending direction of oscillating support leg 2, and motor 9 is fixedly mounted on
On outrigger arm 1 or vertical supporting leg 5, and the output shaft of motor 9 is connect with the first end of connecting rod 8, for driving connecting rod 8 to rotate, even
The second end of bar 8 is rotatably connect with sliding block 7；Or, the first driving mechanism includes sliding block, connecting rod and motor, sliding block installation
It can slide on outrigger arm or vertical supporting leg and along the length direction of outrigger arm or vertical supporting leg, motor is fixedly mounted on swing
On supporting leg, and the first end of the output shaft of motor and connecting rod connects, for driving link rotatable, the second end and sliding block energy of connecting rod
It is enough rotationally to connect.
Specifically, sliding slot is provided with along the length direction of the oscillating support leg 2, the sliding block 7 is mounted on the sliding slot
It is interior；Or, the length direction along the outrigger arm 1 or vertical supporting leg 5 is provided with sliding slot, the sliding block is mounted in the sliding slot.
Motor can be hydraulic motor or electric motor.
In the scheme that sliding block 7 is mounted on oscillating support leg 2, when vehicle needs large span operation, 9 output shaft of motor is driven
Connecting rod 8 rotates, and slides the second end band movable slider 7 of connecting rod 8 to 2 upper end of oscillating support leg, while pushing oscillating support leg 2 outward
Rotation, to increase supporting leg span, to promote the resistant to tipping ability of vehicle, the adaptability of operation stability and special operation condition.Make
After industry, 9 output shaft of motor drives connecting rod 8 to rotate backward, and makes the second end band movable slider 7 of connecting rod 8 to 2 lower end of oscillating support leg
Sliding, while oscillating support leg 2 being pulled inwardly to rotate close to car body, to reduce vehicle overall width, to promote trafficability.
When sliding block is mounted in the scheme on outrigger arm, and vehicle needs large span operation, motor output shaft drives link rotatable, makes to connect
The second end band movable slider of bar is slided to outrigger arm outer end, while connecting rod will push oscillating support leg and laterally rotate, to increase
Supporting leg span, to promote the resistant to tipping ability of vehicle, the adaptability of operation stability and special operation condition.After operation, motor
Output shaft drives connecting rod to rotate backward, and so that the second end of connecting rod is driven the sliding of slider block leg arm inner end, while connecting rod will pull pendulum
Dynamic supporting leg is inwardly rotated close to car body, to reduce vehicle overall width, to promote trafficability.
Embodiment 3:
As shown in Figure 12 and Figure 13, support leg device includes outrigger arm 1, oscillating support leg 2, vertical supporting leg 5 and the first driving machine
Structure, vertical supporting leg 5 is fixed on the lower section of 1 end of outrigger arm, the end rotation connection on oscillating support leg top and outrigger arm 1, and puts
Dynamic supporting leg 2 is located at the outside of vertical supporting leg 5, and the first driving mechanism includes motor, driving wheel 10, driven wheel 11, and motor is fixed on
On outrigger arm 1, the output shaft of motor is fixedly connected with driving wheel 10, and driving wheel 10 is engaged with driven wheel 11, and driven wheel 11 is fixed
On vertical supporting leg 5, the center of rotation of driven wheel 11 and the center of rotation of oscillating support leg 2 are coaxial.
When vehicle needs large span operation, motor drives oscillating support leg 2 by driving wheel 10, the cooperation of driven wheel 11 transmission
It laterally rotates, to increase supporting leg span, to promote the adaptation of the resistant to tipping ability, operation stability and special operation condition of vehicle
Property.After operation, motor reversion drives the inwardly rotation patch of oscillating support leg 2 by driving wheel 10, the cooperation of driven wheel 11 transmission
Nearly car body, to reduce vehicle overall width, to promote trafficability.
Wherein, motor can be hydraulic motor or electric motor.
It should be noted that the design scheme of the first driving mechanism includes but is not limited to above several, the first driving mechanism
Can also using other design, as long as the first driving mechanism drive oscillating oil cylinder rotation.
In any of the above-described embodiment, optionally, as shown in Fig. 5, Figure 10 and Figure 13, vertical supporting leg 5 and/or oscillating support leg
2 be support oil cylinder, and the cylinder body 201 of oscillating support leg 2 is rotatably connect with outrigger arm 1, and the piston rod 202 of oscillating support leg 2
By stretching out below its cylinder body 201, the cylinder body 501 of vertical supporting leg 5 is fixedly connected with outrigger arm 1, and the piston rod of vertical supporting leg 5
502 below its cylinder body 501 by stretching out；Or vertical supporting leg and/or oscillating support leg include supporting leg shell, supporting leg support rod and setting
The second driving mechanism between, the second driving mechanism is for driving support rod to stretch out or take in supporting leg shell, each
Leg shell is connect with outrigger arm.
Wherein, vertical supporting leg and/or oscillating support leg include the second driving mechanism, and the second driving mechanism is that oil cylinder or second drive
Motivation structure is screw nut driven component or the second driving mechanism is rack pinion component.
It should be noted that the second driving mechanism can also use other design schemes, as long as the second driving device can
Drive supporting leg support rod flexible.
As shown in Fig. 3, Fig. 8 and Figure 12, in any of the above-described embodiment, it is preferable that vertical supporting leg 5 and oscillating support leg 2
Bottom end is respectively equipped with being capable of movable leveling base 6.
This programme the bottom end of oscillating support leg 2 and vertical supporting leg 5 setting can movable leveling base 6 so that each supporting leg
It is suitable for uneven ground.
The embodiment of second aspect of the present invention provides a kind of special vehicle, including vehicle frame and such as first aspect present invention times
The support leg device that one embodiment provides, the mounting rack of the support leg device are mounted on the vehicle frame.
The special vehicle that second aspect of the present invention embodiment provides is provided with first aspect present invention any embodiment
Support leg device, therefore the special vehicle has whole beneficial effects of the support leg device of any of the above-described embodiment offer, herein not
It repeats again.
Specifically, special vehicle provided by the invention includes fire fighting truck and engineering truck etc..
In the description of the present invention, term " connection ", " installation ", " fixation " etc. shall be understood in a broad sense, for example, " connection "
It may be fixed connection or may be dismantle connection, or integral connection；It can be directly connected, centre can also be passed through
Medium is indirectly connected.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one reality of the invention
It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or reality
Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more of the embodiments or examples with
Suitable mode combines.Term " connection ", " installation ", " fixation " etc. shall be understood in a broad sense, for example, " connection " can be fixation
Connection, may be a detachable connection, or be integrally connected；It can be directly connected, the indirect phase of intermediary can also be passed through
Even.For the ordinary skill in the art, above-mentioned term in the present invention specific can be understood as the case may be
Meaning.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of support leg device, including outrigger arm and vertical supporting leg, the vertical supporting leg are fixed under the outrigger arm end
Side, which is characterized in that further include: the end of oscillating support leg and the first driving mechanism, the oscillating support leg and the outrigger arm turns
Dynamic connection, and the oscillating support leg is located at the outside of the vertical supporting leg, the first driving mechanism setting is in swing branch
Between leg and the outrigger arm or it is arranged between the oscillating support leg and vertical supporting leg, for driving the oscillating support leg opposite
The outrigger arm rotation.
2. support leg device according to claim 1, which is characterized in that
First driving mechanism is oscillating oil cylinder, one and the oscillating support leg in the cylinder body and piston rod of the oscillating oil cylinder
It rotatably connects, another rotatably connect with the outrigger arm or vertical supporting leg.
3. support leg device according to claim 2, which is characterized in that
The piston rod of the oscillating oil cylinder is rotatably connect with the oscillating support leg, the cylinder body of oscillating oil cylinder and the supporting leg
Arm or vertical supporting leg rotatably connect.
4. support leg device according to claim 2, which is characterized in that
The side of the rotational plane of the oscillating support leg is equipped with oscillating oil cylinder；Or
The two sides of the rotational plane of the oscillating support leg are equipped with oscillating oil cylinder.
5. support leg device according to claim 1, which is characterized in that
First driving mechanism includes sliding block, connecting rod and motor, and the sliding block is mounted on the oscillating support leg and being capable of edge
The length direction of the oscillating support leg slides, and the motor is fixedly mounted on the outrigger arm or vertical supporting leg, and the horse
The output shaft reached is connect with the first end of the connecting rod, for driving the link rotatable, the second end of the connecting rod with it is described
Sliding block rotatably connects；Or,
First driving mechanism includes sliding block, connecting rod and motor, and the sliding block is mounted on the outrigger arm or vertical supporting leg
And can be slided along the length direction of the outrigger arm or vertical supporting leg, the motor is fixedly mounted on the oscillating support leg,
And the output shaft of the motor is connect with the first end of the connecting rod, and for driving the link rotatable, the second of the connecting rod
End is rotatably connect with the sliding block.
6. support leg device according to claim 5, which is characterized in that
Sliding slot is provided with along the length direction of the oscillating support leg, the sliding block is mounted in the sliding slot；Or, along the branch
The length direction of leg arm or vertical supporting leg is provided with sliding slot, and the sliding block is mounted in the sliding slot.
7. support leg device according to claim 1, which is characterized in that
First driving mechanism includes motor, driving wheel, driven wheel, and the motor is fixed on the outrigger arm, the horse
The output shaft reached is fixedly connected with the driving wheel, and the driving wheel is engaged with the driven wheel, and the driven wheel is fixed on institute
It states on vertical supporting leg, the center of rotation of the driven wheel and the center of rotation of the oscillating support leg are coaxial.
8. support leg device according to any one of claim 1 to 7, which is characterized in that
The vertical supporting leg and/or the oscillating support leg are support oil cylinder, the cylinder body and the outrigger arm of each support oil cylinder
Connection；Or
The vertical supporting leg and/or the oscillating support leg include supporting leg shell, supporting leg support rod and be disposed there between
Two driving mechanisms, second driving mechanism are each described for driving the support rod to stretch out or take in the supporting leg shell
Supporting leg shell is connect with the outrigger arm.
9. support leg device according to claim 8, which is characterized in that
The vertical supporting leg and/or the oscillating support leg include the second driving mechanism, and second driving mechanism is oil cylinder or institute
State that the second driving mechanism is screw nut driven component or second driving mechanism is rack pinion component.
10. a kind of special vehicle, which is characterized in that described includes vehicle frame and supporting leg as claimed in any one of claims 1-9 wherein
Device, the outrigger arm of the support leg device are mounted on the vehicle frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811163004.6A CN109050490A (en) | 2018-09-30 | 2018-09-30 | Support leg device and special vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811163004.6A CN109050490A (en) | 2018-09-30 | 2018-09-30 | Support leg device and special vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109050490A true CN109050490A (en) | 2018-12-21 |
Family
ID=64767509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811163004.6A Pending CN109050490A (en) | 2018-09-30 | 2018-09-30 | Support leg device and special vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109050490A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018129830A1 (en) * | 2018-11-26 | 2020-05-28 | Liebherr-Betonpumpen Gmbh | Working machine with at least one swivel leg |
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| JPH08142812A (en) * | 1994-11-25 | 1996-06-04 | Tadano Ltd | Outrigger device for work vehicle |
| JP2000211890A (en) * | 1999-01-18 | 2000-08-02 | Koei Sangyo Kk | Monorail crane truck |
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| CN203496867U (en) * | 2013-10-18 | 2014-03-26 | 中联重科股份有限公司 | Supporting leg structure and engineering machine |
| CN207029137U (en) * | 2017-06-27 | 2018-02-23 | 徐州良田重工科技有限公司 | A kind of engineering truck parting supporting leg |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5613243A (en) * | 1979-07-10 | 1981-02-09 | Nissan Diesel Motor Co Ltd | Car body supporter for specially equipped car |
| JPH08142812A (en) * | 1994-11-25 | 1996-06-04 | Tadano Ltd | Outrigger device for work vehicle |
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| CN201914226U (en) * | 2010-12-23 | 2011-08-03 | 三一重工股份有限公司 | Construction machinery and ground jack thereof |
| CN202175027U (en) * | 2011-07-28 | 2012-03-28 | 三一重工股份有限公司 | A supporting device and engineering equipment |
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| DE102018129830A1 (en) * | 2018-11-26 | 2020-05-28 | Liebherr-Betonpumpen Gmbh | Working machine with at least one swivel leg |
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Application publication date: 20181221 |