CN108517906B - Walking excavator, working method of walking excavator and transferring method - Google Patents
Walking excavator, working method of walking excavator and transferring method Download PDFInfo
- Publication number
- CN108517906B CN108517906B CN201810447571.8A CN201810447571A CN108517906B CN 108517906 B CN108517906 B CN 108517906B CN 201810447571 A CN201810447571 A CN 201810447571A CN 108517906 B CN108517906 B CN 108517906B
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- vehicle body
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000010276 construction Methods 0.000 description 4
- 239000004575 stone Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
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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
- E02F3/32—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 working downwardly and towards the machine, e.g. with backhoes
-
- 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
- E02F3/32—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 working downwardly and towards the machine, e.g. with backhoes
- E02F3/325—Backhoes of the miniature type
-
- 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
- E02F3/36—Component parts
-
- 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
- E02F3/36—Component parts
- E02F3/38—Cantilever beams, i.e. booms;, e.g. manufacturing processes, forms, geometry or materials used for booms; Dipper-arms, e.g. manufacturing processes, forms, geometry or materials used for dipper-arms; Bucket-arms
-
- 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
- E02F3/36—Component parts
- E02F3/38—Cantilever beams, i.e. booms;, e.g. manufacturing processes, forms, geometry or materials used for booms; Dipper-arms, e.g. manufacturing processes, forms, geometry or materials used for dipper-arms; Bucket-arms
- E02F3/382—Connections to the frame; Supports for booms or arms
-
- 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
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/085—Ground-engaging fitting for supporting the machines while working, e.g. outriggers, legs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Manipulator (AREA)
- Shovels (AREA)
Abstract
The invention provides a walking excavator, a working method of the walking excavator and a transferring method of the walking excavator, wherein the walking excavator comprises a bucket, a connecting arm assembly and a vehicle body, the first end of the connecting arm assembly is hinged with the bucket, the second end of the connecting arm assembly is hinged with the vehicle body, and a travelling wheel is arranged at one end, far away from the connecting arm assembly, of the vehicle body. The one end that is close to on the automobile body linking arm subassembly is provided with walking auxiliary wheel and holding power landing leg, and the walking auxiliary wheel passes through the bracing piece and installs on the automobile body, and the first tip at the bracing piece is installed to the walking auxiliary wheel, and the second tip and the automobile body of bracing piece are articulated, and the holding power landing leg articulates on the automobile body. The walking excavator disclosed by the invention is simple in structure, higher in economic performance, and capable of adapting to complex terrains, and especially suitable for operation in a narrow space and specific operation.
Description
Technical Field
The invention relates to the field of excavators, in particular to a walking type excavator, and a working method and a transferring method of the walking type excavator.
Background
In order to adapt to complex terrains, walking excavators appear on the market, the existing walking excavators are complex in structure and are generally of four-leg structures, and a special walking driving system and a special rotation driving system are arranged, so that the whole machine is high in manufacturing cost, economic performance is low in construction for some simple operations, and the four-leg structures are not easy to operate in places with narrow spaces in size, so that the operation range is limited.
The existing four-leg walking excavator is complex in structure, large in structural size and not easy to operate in a narrow space; secondly, the power of the whole machine is larger, and the economic performance is not high; again, the whole machine requires a special loading vehicle for transportation during transportation.
Disclosure of Invention
The invention mainly aims to provide a walking excavator which is simple in structure, small in size and capable of adapting to complex terrains.
Another object of the present invention is to provide a working method of the above-mentioned walking excavator.
It is still another object of the present invention to provide a transferring method of the above-mentioned walking excavator.
In order to achieve the above purpose, the invention provides a walking excavator, which comprises a bucket, a connecting arm assembly and a vehicle body, wherein the first end of the connecting arm assembly is hinged with the bucket, the second end of the connecting arm assembly is hinged with the vehicle body, and a walking wheel is arranged at one end of the vehicle body far away from the connecting arm assembly; the one end that is close to on the automobile body linking arm subassembly is provided with walking auxiliary wheel and holding power landing leg, and the walking auxiliary wheel passes through the bracing piece and installs on the automobile body, and the first tip at the bracing piece is installed to the walking auxiliary wheel, and the second tip and the automobile body of bracing piece are articulated, and the holding power landing leg articulates on the automobile body.
By the scheme, through setting up the holding power landing leg and setting up through bracing piece and articulated walking auxiliary wheel of automobile body for walking excavator can support through the holding power landing leg when the operation and carry out the operation, when transporting, can remove through the walking auxiliary wheel. The walking excavator disclosed by the invention is simple in structure, higher in economic performance, and capable of adapting to complex terrains, and especially suitable for working in a narrow space and specific working such as trench digging. In addition, the walking excavator is convenient to transport, a specific loading vehicle is not needed, and the walking excavator can be transported on a whole machine or towed by a trailer.
In a preferred scheme, the middle part of the supporting rod is provided with a first fixing part, a second fixing part is arranged at a position on the vehicle body corresponding to the first fixing part, and the fixing piece sequentially penetrates through the first fixing part and the second fixing part to fixedly connect the supporting rod with the vehicle body.
From the above, through setting up first fixed part on the bracing piece, set up the second fixed part on the automobile body, be convenient for walking the excavator under different states, with walking auxiliary wheel stowage or put down.
The middle part of the grabbing leg is hinged with the vehicle body, and a grabbing leg hydraulic device is installed between the first end part of the grabbing leg and the vehicle body in a hinged mode and drives the grabbing leg to rotate.
From the above, the grabbing leg hydraulic device drives the grabbing leg to rotate, so that the walking excavator can conveniently retract or put down the grabbing leg under different states.
In one preferred scheme, the connecting arm assembly comprises a movable arm and a bucket rod, the first end part of the movable arm is hinged with the vehicle body, the second end part of the movable arm is hinged with the first position of the bucket rod, the first position is located between the two end parts of the bucket rod and is close to the first end part of the bucket rod, a movable arm hydraulic device is installed between the middle part of the movable arm and the vehicle body in a hinged mode, the movable arm hydraulic device drives the movable arm to rotate, the bucket rod hydraulic device is installed between the middle part of the movable arm and the first end part of the bucket rod in a hinged mode, the bucket rod hydraulic device drives the bucket rod to rotate, the bucket is hinged with the second end part of the bucket rod, a bucket hydraulic device and a connecting rod are installed between the bucket and the bucket rod in a hinged mode, and the bucket hydraulic device drives the connecting rod and the bucket to rotate.
In a preferred scheme, a movable seat hinged with the vehicle body is arranged on the vehicle body, the first end of the connecting arm assembly is hinged with the movable seat, the vehicle body and the movable seat are provided with a movable arm steering hydraulic device in a hinged mode, and the movable arm steering hydraulic device drives the movable seat to rotate.
From the above, the movable arm steering hydraulic device drives the movable seat to rotate, so as to drive the connecting arm assembly to rotate left and right, thereby enlarging the working range of the walking excavator.
The two walking wheels are respectively positioned on the left side and the right side of one end of the connecting arm assembly, the two grabbing support legs are respectively positioned on the vehicle body and close to the left side and the right side of one end of the connecting arm assembly, and the walking auxiliary wheels arranged on the same side of the vehicle body are positioned between the walking wheels and the grabbing support legs.
From the above, the stability of the whole structure of the walking excavator is ensured.
In a preferred embodiment, the second end of the gripping leg is provided with a gripping leg chassis, the gripping leg chassis being hinged to the gripping leg, the bottom of the gripping leg chassis being provided with a plurality of gripping teeth.
From the above, because the excavator bucket has an upward acting force on the whole walking excavator during excavating, the arrangement of the ground grabbing teeth is used for eliminating the influence of the acting force on the excavator, so that the grabbing support legs can be firmly supported on the ground, and the reduction of the excavating force of the excavator bucket is avoided.
In a preferred scheme, the vehicle body comprises a rotary base and a rotary platform which are mutually hinged, the second end of the connecting arm assembly is hinged with the rotary platform, and the travelling wheels, the travelling auxiliary wheels and the grabbing support legs are arranged on the rotary base.
Therefore, the arrangement of the rotary platform can greatly increase the working range of the walking excavator.
In order to achieve the other object, the present invention provides a working method of a walking excavator, wherein the walking excavator is the walking excavator, and the working method comprises the following steps: the grabbing force supporting leg is driven to rotate, and one end, close to the connecting arm assembly, of the grabbing force supporting leg on the vehicle body supports the vehicle body. Then, the support bar is fixed to the vehicle body so that the support bar extends in the horizontal direction, and the travel aid wheels are in a retracted state. Then, the connecting arm assembly drives the bucket to perform excavation work. When the car body moves, the connecting arm assembly pushes the excavator bucket downwards, the grabbing support legs leave the ground, and the car body moves. The arm assembly then drives the bucket upward and the gripping leg downward, with the second end of the gripping leg supported on the ground.
In order to achieve the above object, the present invention provides a method for transferring a walking excavator, wherein the walking excavator is the walking excavator, and the method for transferring comprises the following steps: the support rod is fixed on the vehicle body, so that the support rod extends in the vertical direction, and the walking auxiliary wheels are supported on the ground. The gripping leg is then driven to rotate and the second end of the gripping leg is moved away from the ground. Finally, the walking excavator moves forward.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the walking excavator of the present invention.
Fig. 2 is a partial view of an embodiment of the walking excavator of the present invention.
Fig. 3 is a schematic view showing the construction of an embodiment of the walking excavator of the present invention in a first state.
Fig. 4 is a schematic view showing the construction of an embodiment of the walking excavator of the present invention in a second state.
Fig. 5 is a schematic view showing the construction of an embodiment of the walking excavator of the present invention in a third state.
The invention is further described below with reference to the drawings and examples.
Detailed Description
Referring to fig. 1 and 2, the walking excavator of the present embodiment includes a bucket 1, a link arm assembly 2, and a vehicle body 3. The first end of the connecting arm assembly 2 is hinged with the excavator bucket 1, and the second end of the connecting arm assembly 2 is hinged with the vehicle body 3. The vehicle body 3 comprises a cab 4, a hydraulic system, a power system 6 and a traveling system, wherein a seat 7 and an operating platform 5 are arranged in the cab 4, the power system 6 is positioned below the seat 7, and the hydraulic system is positioned in the operating platform 5. The hydraulic system may be driven by a diesel engine or a battery. The running system comprises two running wheels 31, two running auxiliary wheels 32 and two gripping force legs 33.
Two walking wheels 31 are arranged on the vehicle body 3 at one end far away from the connecting arm assembly and positioned at the left side and the right side of the vehicle body 3, and two walking auxiliary wheels 32 and two holding power supporting legs 33 are arranged on the vehicle body 3 at one end close to the connecting arm assembly. Two walking auxiliary wheels 32 are respectively positioned on the left and right sides of one end of the vehicle body 3, which is close to the connecting arm assembly, and two holding power legs 33 are respectively positioned on the left and right sides of one end of the vehicle body 3, which is close to the connecting arm assembly. And a walking auxiliary wheel 32 provided on the same side of the vehicle body 3 is located between the walking wheel 31 and the gripping force leg 33. The walking aid wheel 32 is mounted on the vehicle body 3 through a support rod 34, and the walking aid wheel 32 is mounted on a first end portion of the support rod 34, and a second end portion of the support rod 34 is hinged to the vehicle body 3.
The middle part of the support rod 34 is provided with a fixing part 341, and the fixing part 341 is provided with a fixing hole 3411 and a fixing hole 3412. As shown in fig. 2, when the support rod 34 is in a supporting state, the holding-force leg 33 is retracted, a fixing portion 37 is provided on the vehicle body 3 at a position corresponding to the fixing portion 341, a fixing hole 371 is provided on the fixing portion 37, and a first fixing member (not shown) sequentially passes through the fixing hole 3412 and the fixing hole 371 to fixedly connect the support rod 34 with the vehicle body 3, and the support rod 34 extends in a vertical direction. As shown in fig. 3, when the support bar 34 and the walking assist wheel 32 are in the retracted state, the holding leg 33 supports the vehicle body 3 at one end of the vehicle body 3 near the connecting arm assembly, a fixing portion 36 is provided at a position on the vehicle body 3 corresponding to the fixing portion 341, a fixing hole 361 is provided in the fixing portion 36, and a second fixing member (not shown) sequentially passes through the fixing hole 3411 and the fixing hole 361 to fixedly connect the support bar 34 with the vehicle body 3, and extend the support bar 34 in the horizontal direction. Alternatively, the fixing hole 3411 and the fixing hole 3412 may also be communicated.
The vehicle body 3 is provided with a support rod 37 extending outwards along the horizontal direction from one end of the vehicle body 3, which is close to the connecting arm assembly, the middle part of the grabbing leg 33 is hinged with the outer end part of the support rod 37, a grabbing leg hydraulic device 331 is mounted between the first end part of the grabbing leg 33 and the support rod 37 in a hinged mode, and the grabbing leg hydraulic device 331 drives the grabbing leg 33 to rotate, so that the grabbing leg 33 can move between a supporting position and a retracting position. In addition, the second end of the gripping leg 33 is provided with a gripping leg chassis 332, the gripping leg chassis 332 being hinged to the gripping leg 33, the bottom of the gripping leg chassis 332 being provided with a plurality of gripping teeth.
The connecting arm assembly 2 comprises a movable arm 21 and a bucket rod 22, wherein a first end part of the movable arm 21 is hinged with the vehicle body 3, a second end part of the movable arm 21 is hinged with a first position I of the bucket rod 22, the first position I is located between two end parts of the bucket rod 22 and is close to the first end part of the bucket rod 22, a movable arm hydraulic device 211 is installed between the middle part of the movable arm 21 and the vehicle body 3 in a hinged mode, the movable arm hydraulic device 211 drives the movable arm 21 to rotate in a vertical plane, a bucket rod hydraulic device 221 is installed between the middle part of the movable arm 21 and the first end part of the bucket rod 22 in a hinged mode, the bucket rod hydraulic device 221 drives the bucket rod 22 to rotate in the vertical plane, the bucket 1 is hinged with the second end part of the bucket rod 22, a bucket hydraulic device 11 and a connecting rod 12 are installed between the bucket 1 and the bucket rod 22 in a hinged mode, and the bucket hydraulic device 11 drives the connecting rod 12 and the bucket 1 to rotate.
Referring to fig. 2, a movable seat 35 hinged to the vehicle body 3 is provided on the vehicle body 3, a hinge shaft 101 between the movable seat 35 and the vehicle body 3 extends in a vertical direction, a first end portion of the boom 21 is hinged to the movable seat 35, and a hinge shaft 102 extends in a horizontal direction, a boom steering hydraulic device 212 is mounted to the vehicle body 3 and the movable seat 35 in a hinged manner, and the boom steering hydraulic device 212 drives the movable seat 35 to rotate in a horizontal plane.
Referring to fig. 3 and 4, fig. 3 is a schematic view of an initial state at the time of operation of the walking excavator. Fig. 4 is a schematic view of a state during the operation of the walking excavator.
The working method of the walking excavator comprises the following steps.
First, the grip leg hydraulic device 331 drives the grip leg 33 to rotate, so that the grip leg 33 is in a supported state and supports the vehicle body 3 on the vehicle body 3 near one end of the link arm assembly.
Then, the second fixing member sequentially passes through the fixing holes of the fixing portion 341 and the fixing portion 36 to fix the support bar 34 to the vehicle body 3, and extend the support bar 34 in the horizontal direction, at which time the walking assistance wheel 32 is in the retracted state.
Next, the arm hydraulic device 221 and the bucket hydraulic device 11 cooperate to drive the bucket 1 to perform an excavating operation, and thus the walking excavator of the present invention is not provided with a swing drive system, and after the bucket 1 excavates the earth and stone, the movable base 35 is driven to swing left and right in the horizontal plane by the boom steering hydraulic device 212, so that the link arm assembly 2 is driven to swing left and right in the horizontal plane, and the excavated earth and stone is placed on both sides of the excavating operation position.
Next, when the walking excavator needs to perform a forward operation, as shown in fig. 3, the arc portion of the bucket 1 is brought into contact with the ground by the interaction of the boom 21, the arm 22, the link 12 and the bucket 1, so that the bucket 1 forms one supporting point of the whole excavator, the arm hydraulic device 221 pushes the first end portion of the arm 22, so that the gripping leg 33 leaves the ground, the whole excavator forms a link structure with the walking wheel 31 and the bucket 1 as supporting points, at this time, the arm hydraulic device 221 pushes the first end portion of the arm 22, the arm 22 rotates with the bucket 1 as a rotation center and drives the vehicle body 3 to move forward by the walking wheel 31, and the walking excavator of the present invention does not need to provide a driving force for moving the whole excavator forward. Further, if the vehicle body 3 is required to move backward, the arm hydraulic device 221 is contracted and the first end portion of the arm 22 is pulled.
Finally, the bucket hydraulic device 11 is retracted, the bucket 1 is lifted upward, the gripping leg 33 is moved downward, and the second end of the gripping leg 33 is supported on the ground, and the entire excavator can be stably supported on the ground through the gripping leg 33 and the traveling wheels, thereby continuing the excavating operation.
Referring to fig. 5, fig. 5 is a schematic view of the walking excavator as it rotates. The transportation method of the walking excavator comprises the following steps.
First, the first fixing member sequentially passes through the fixing holes of the fixing portion 341 and the fixing portion 37 to fix the support bar 34 to the vehicle body 3, and extends the support bar 34 in the vertical direction, and the walking aid wheel 32 is supported on the ground.
The grip leg hydraulic device 331 then drives the grip leg 33 to rotate, causing the second end of the grip leg 33 to leave the ground.
Finally, the walking excavator moves forward and enters the transport vehicle.
In addition, the automobile body can also include mutually articulated gyration base and revolving platform, and the second end of linking arm subassembly is articulated with the revolving platform, and walking wheel, walking auxiliary wheel and holding power landing leg are installed on the gyration base, through setting up the operation scope of revolving platform greatly increased walking excavator. In addition, when the walking excavator is transported, the grabbing support legs and the walking auxiliary wheels can be retracted, so that the whole excavator is directly hauled. The above-mentioned scheme can also achieve the object of the present invention.
From the above, through setting up the holding power landing leg and setting up through bracing piece and articulated walking auxiliary wheel of automobile body for walking excavator can carry out the operation through holding power landing leg support when the operation, when transporting, can remove through the walking auxiliary wheel. The walking excavator disclosed by the invention is simple in structure, higher in economic performance, and capable of adapting to complex terrains, and especially suitable for working in a narrow space and specific working such as trench digging. In addition, the walking excavator is convenient to transport, a specific loading vehicle is not needed, and the walking excavator can be transported on a whole machine or towed by a trailer. In addition, the walking excavator is not provided with a walking driving system and a revolving system, and the power consumption is all hydraulic devices, so that the power required is small, and the walking excavator is energy-saving and environment-friendly.
Claims (8)
1. The walking excavator comprises a bucket, a connecting arm assembly and a vehicle body, wherein the first end of the connecting arm assembly is hinged with the bucket, the second end of the connecting arm assembly is hinged with the vehicle body, and a travelling wheel is arranged at one end, far away from the connecting arm assembly, of the vehicle body;
the method is characterized in that:
the vehicle body is provided with a walking auxiliary wheel and a grabbing leg at one end close to the connecting arm assembly, the walking auxiliary wheel is arranged on the vehicle body through a supporting rod, the walking auxiliary wheel is arranged at a first end part of the supporting rod, a second end part of the supporting rod is hinged with the vehicle body, and the grabbing leg is hinged on the vehicle body;
the support rod is provided with a first fixing part, a second fixing part is arranged at a position, corresponding to the first fixing part, on the vehicle body, and a fixing piece sequentially penetrates through the first fixing part and the second fixing part to fixedly connect the support rod with the vehicle body;
the middle part of the grabbing leg is hinged with the vehicle body, a grabbing leg hydraulic device is installed between the first end part of the grabbing leg and the vehicle body in a hinged mode, and the grabbing leg hydraulic device drives the grabbing leg to rotate;
the number of the walking wheels, the walking auxiliary wheels and the grabbing force supporting legs is two, the two walking wheels are respectively positioned at the left side and the right side of one end, far away from the connecting arm assembly, of the vehicle body, and the two grabbing force supporting legs are respectively positioned at the left side and the right side of one end, close to the connecting arm assembly, of the vehicle body;
when the excavator bucket performs excavating operation, the grabbing support leg is driven to rotate, one end, close to the connecting arm assembly, of the grabbing support leg on the vehicle body supports the vehicle body, the support rod is fixed on the vehicle body, the support rod extends in the horizontal direction, and the walking auxiliary wheel is in a retracted state;
when the walking excavator needs to work forward, the connecting arm assembly pushes the excavator bucket downwards, the grabbing support legs leave the ground, the vehicle body moves, the connecting arm assembly drives the excavator bucket to lift upwards, the grabbing support legs move downwards, and the second ends of the grabbing support legs are supported on the ground;
when the walking excavator needs to be transported, the supporting rods are fixed on the vehicle body, so that the supporting rods extend in the vertical direction, the walking auxiliary wheels are supported on the ground, the grabbing force supporting legs are driven to rotate, and the second ends of the grabbing force supporting legs leave the ground.
2. The walking excavator of claim 1 wherein:
the connecting arm assembly comprises a movable arm and a bucket rod, a first end portion of the movable arm is hinged to the vehicle body, a second end portion of the movable arm is hinged to a first position of the bucket rod, the first position is located between two end portions of the bucket rod and close to the first end portion of the bucket rod, a movable arm hydraulic device is installed between the middle portion of the movable arm and the vehicle body in a hinged mode, the movable arm hydraulic device drives the movable arm to rotate, the bucket rod hydraulic device is installed between the middle portion of the movable arm and the first end portion of the bucket rod in a hinged mode, the bucket is driven by the bucket rod hydraulic device to rotate, the bucket is hinged to the second end portion of the bucket rod, a bucket hydraulic device and a connecting rod are installed between the bucket and the bucket rod in a hinged mode, and the bucket hydraulic device drives the connecting rod to rotate.
3. The walking excavator of claim 1 wherein:
the movable seat is hinged with the vehicle body, the first end of the connecting arm assembly is hinged with the movable seat, the movable seat is hinged with the vehicle body, a movable arm steering hydraulic device is arranged on the movable seat in a hinged mode, and the movable arm steering hydraulic device drives the movable seat to rotate.
4. A walking excavator according to any one of claims 1 to 3 wherein:
the walking auxiliary wheels arranged on the same side of the vehicle body are positioned between the walking wheels and the grabbing support legs.
5. A walking excavator according to any one of claims 1 to 3 wherein:
the second end of the grabbing leg is provided with a grabbing leg chassis, the grabbing leg chassis is hinged with the grabbing leg, and the bottom of the grabbing leg chassis is provided with a plurality of grabbing teeth.
6. A walking excavator according to any one of claims 1 to 3 wherein:
the vehicle body comprises a rotating base and a rotating platform which are mutually hinged, the second end of the connecting arm assembly is hinged with the rotating platform, and the travelling wheels, the travelling auxiliary wheels and the grabbing support legs are mounted on the rotating base.
7. A method of operating a walking excavator according to any one of claims 1 to 6, comprising the steps of:
driving the grabbing support leg to rotate, wherein the grabbing support leg supports the vehicle body on one end, close to the connecting arm assembly, of the vehicle body;
fixing the support rod on the vehicle body to enable the support rod to extend in the horizontal direction, and enabling the walking auxiliary wheel to be in a retracted state;
the connecting arm assembly drives the excavator bucket to perform excavating operation;
the connecting arm assembly pushes the excavator bucket downwards, the grabbing support legs leave the ground, and the vehicle body moves;
the connecting arm assembly drives the bucket to lift upwards, the grabbing support leg moves downwards, and the second end of the grabbing support leg is supported on the ground.
8. A transfer method of a walking excavator, the walking excavator being the walking excavator according to any one of claims 1 to 6, the transfer method comprising the steps of:
fixing the support rod on the vehicle body, enabling the support rod to extend in the vertical direction, and supporting the walking auxiliary wheels on the ground;
driving the grabbing support leg to rotate, and enabling the second end of the grabbing support leg to leave the ground;
the walking excavator moves forward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810447571.8A CN108517906B (en) | 2018-05-11 | 2018-05-11 | Walking excavator, working method of walking excavator and transferring method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810447571.8A CN108517906B (en) | 2018-05-11 | 2018-05-11 | Walking excavator, working method of walking excavator and transferring method |
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| Publication Number | Publication Date |
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| CN108517906A CN108517906A (en) | 2018-09-11 |
| CN108517906B true CN108517906B (en) | 2024-03-19 |
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| CN201810447571.8A Active CN108517906B (en) | 2018-05-11 | 2018-05-11 | Walking excavator, working method of walking excavator and transferring method |
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|---|---|---|---|---|
| CN110116967A (en) * | 2019-05-24 | 2019-08-13 | 国家电网有限公司 | Hold the electronic carrying lifting gear of pushing-type in transmission line of electricity mountain area |
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| CN208346878U (en) * | 2018-05-11 | 2019-01-08 | 珠海天力重工有限公司 | Walking type excavator |
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| GB917535A (en) * | 1961-04-21 | 1963-02-06 | Ford Motor Co | Improvements in or relating to loaders for mounting on tractors |
| CN2900629Y (en) * | 2006-02-27 | 2007-05-16 | 中国人民解放军63983部队 | Digging device |
| CN105464165A (en) * | 2016-01-08 | 2016-04-06 | 福建海山机械股份有限公司 | Excavator chassis with folding supporting legs |
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| CN108517906A (en) | 2018-09-11 |
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