CN107558512A - A kind of all direction multifunctional tunnels arm - Google Patents
A kind of all direction multifunctional tunnels arm Download PDFInfo
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- CN107558512A CN107558512A CN201710848312.1A CN201710848312A CN107558512A CN 107558512 A CN107558512 A CN 107558512A CN 201710848312 A CN201710848312 A CN 201710848312A CN 107558512 A CN107558512 A CN 107558512A
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- arm
- hinged
- forearm
- hydraulic stem
- link
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Abstract
The present invention relates to a kind of all direction multifunctional to tunnel arm, and all direction multifunctional driving arm includes link, large arm, revolution digging arm, forearm and scraper bowl;The front end of the large arm is connected with the rear end of the revolution digging arm, and the rear end of the large arm is connected by link with excavator, and connection component is provided with the middle part of the large arm;One end of first hydraulic stem is hinged with the connection component, and the other end and the link of first hydraulic stem are hinged;The front end of the revolution digging arm is connected with the rear end of the forearm, and the front end of the forearm is connected with the scraper bowl.Large arm is connected by link with excavating railcar body, then is connected by turning round digging arm with forearm, and the first hydraulic stem is used for adjusting the angle at the elevation angle of large arm, and forearm drives scraper bowl to complete various digging operations.The all direction multifunctional driving arm of the present invention has the advantages of operation is flexible, and operating efficiency is high and working range is big.
Description
Technical field
The present invention relates to technical field of engineering machinery, and in particular to a kind of all direction multifunctional tunnels arm.
Background technology
Excavator is important plant equipment in engineering construction, and it is the important auxiliary device of excavator to tunnel arm.Traditional
Arm is tunneled because structure design is unreasonable, causes the operating flexibility for tunneling arm poor, can not be in tunnel or some working spaces
The digging operation task of lateral trench or lateral grooves is completed in less job location, even if the driving arm of some excavators can be with
Complete, but there is also the problem of operating efficiency is low and working range is small for the driving arm of these excavators.
The content of the invention
It is an object of the invention to provide a kind of all direction multifunctional to tunnel arm, to solve existing driving arm configuration design
The shortcomings that unreasonable, operating flexibility is poor, and operating efficiency is low and working range is small.
To achieve the above object, the present invention provides a kind of all direction multifunctional driving arm, all direction multifunctional driving
Arm includes link, large arm, revolution digging arm, forearm and scraper bowl;The front end of the large arm and the rear end of the revolution digging arm
Connection, the rear end of the large arm are connected with link, and connection component is provided with the middle part of the large arm;The connection component passes through
One hydraulic stem is connected with the link;The front end of the revolution digging arm is connected with the rear end of the forearm, the forearm
Front end is connected with the scraper bowl, and the link is hinged on by the main shaft on link and excavated on railcar body;Two large arm turn
The both sides of the link are respectively hinged to one end of hydraulic stem, the other end of two large arm steering hydraulic bars is respectively hinged at
Excavate on railcar body.
Preferably, the large arm includes principal arm, turns to link and the second hydraulic stem;The rear end hinge for turning to link
The front end of the principal arm is connected on, the front end for turning to link is connected with the rear end of the revolution digging arm, the company of steering
Connect and connecting shaft is provided with frame, one end of second hydraulic stem is hinged on the middle part of the connecting shaft, second hydraulic stem
The other end be hinged on the middle part of the large arm.
Preferably, the revolution digging arm includes large arm attachment means, forearm attachment means and transfer;The large arm
The front end of attachment means is connected with the transfer rear end, the rear end of the large arm attachment means and the steering link
Front end is hinged;The front end of the transfer is connected with the rear end of the forearm attachment means, and the transfer can drive institute
State forearm attachment means axial-rotation;The front end of the forearm attachment means is connected with the rear end of the forearm.
Preferably, the large arm also includes two revolution hydraulic stems, and one end of two revolution hydraulic stems is hinged on institute
The both ends of connecting shaft are stated, the other end of two revolution hydraulic stems is respectively hinged at the large arm attachment means top.
Preferably, the axis of two revolution hydraulic stems is in an angle.
Preferably, the forearm includes fixed arm, telescopic arm, the 3rd hydraulic stem and the 4th hydraulic stem;The fixed arm
Rear end and the front end of the forearm attachment means are hinged;The telescopic arm is located in the fixed arm and can relatively described fixation
Arm straight line is stretched out or shunk, and the front end of the telescopic arm is hinged with the scraper bowl;3rd hydraulic stem is located at the telescopic arm
Interior, one end of the 3rd hydraulic stem is hinged on the rear end of the fixed arm, and the other end of the 3rd hydraulic stem is hinged on institute
State the front end of telescopic arm;One end of 4th hydraulic stem is hinged in the middle part of the fixed arm, the 4th hydraulic stem it is another
End is hinged in forearm attachment means.
Preferably, the cross section of the fixed arm and the telescopic arm is rectangle.
Preferably, the oil cylinder of first hydraulic stem is hinged with the link, the piston rod of first hydraulic stem with
The connection component is hinged.
The invention has the advantages that:Large arm by link with excavate railcar body be connected, then by turn round digging arm and
Forearm connects, and the first hydraulic stem is used for adjusting the angle at the elevation angle of large arm, and forearm drives scraper bowl to complete various digging operations.This hair
Bright all direction multifunctional driving arm has the advantages of operation is flexible, and operating efficiency is high and working range is big.
Brief description of the drawings
Fig. 1 is the structural representation that all direction multifunctional of the present invention tunnels arm.
Fig. 2 is the main structure diagram of present invention revolution digging arm.
Fig. 3 is the side structure schematic view of present invention revolution digging arm.
Fig. 4 is the cross-sectional view of present invention revolution digging arm.
Fig. 5 is the structural representation of transfer of the present invention.
Fig. 6 is the horizontal cross-section structure diagram of forearm of the present invention.
Fig. 7 is the longitudinal profile structure schematic of forearm of the present invention.
Embodiment
Following examples are used to illustrate the present invention, but are not limited to the scope of the present invention.
Embodiment 1
As shown in figure 1, all direction multifunctional driving arm includes link 1, large arm 2, revolution digging arm 3, forearm 4 and scraper bowl
5.Large arm 2 is connected by link 1 with excavating railcar body, then is connected by turning round digging arm 3 with forearm 4, the first hydraulic stem 22
For adjusting the angle at the elevation angle of large arm 2, forearm 4 drives scraper bowl 5 to complete various digging operations.The all direction multifunctional of the present invention
Tunneling arm has the advantages of operation is flexible, and operating efficiency is high and working range is big.
As shown in Fig. 2,3,4,5,6,7, link 1 is used to connect large arm 2 and excavation railcar body, and link 1 passes through main shaft
(not shown) is hinged with excavating railcar body.The piston rod of two large arm steering hydraulic bar (not shown) is respectively hinged at link 1
Both sides, the oil cylinders of two large arm steering hydraulic bars, which is respectively hinged at, to be excavated on railcar body.By controlling two large arm to turn to liquid
The piston rod of depression bar stretches so that large arm 2 swings around main shaft, changes without adjusting the direction of excavator again
Become the direction of large arm 2.
Large arm 2 includes principal arm 23, turns to the hydraulic stem 25 of link 24 and second.The rear end of principal arm 23 is hinged on link 1
On, the middle part of principal arm 23 is welded with connection component 21, and the piston rod and connection component 21 of the first hydraulic stem 22 are be hinged, the first hydraulic pressure
The oil cylinder of bar 22 is be hinged with link 1, by controlling the flexible of the piston rod of the first hydraulic stem 22 so that principal arm 23 is around steering
The be hinged spot wobble of principal arm 23 and link 1.The rear end for turning to link 24 is hinged on the front end of principal arm 23, turns to link 24
Front end be hinged by large arm main shaft and the rear end of large arm attachment means 31, turn to link 24 on be provided with connecting shaft 241.The
The piston rod of two hydraulic stems 25 is hinged on the middle part of connecting shaft 241, and the oil cylinder of the second hydraulic stem 25 is hinged on the middle part of principal arm 23.
Pass through and control the flexible of the piston rod of the second hydraulic stem 25 so that turn to link 24 drive revolution digging arm 3 and forearm 4 around
Turn to the be hinged spot wobble of link 24 and principal arm 23.Pass through the cooperation large arm of the first hydraulic stem 22 and the second hydraulic stem 25
2 and forearm 4 can swing, so as to add all direction multifunctional driving arm flexibility.
Further in order to increase the flexibility of all direction multifunctional driving arm, in the present embodiment, large arm 2 also includes two
Individual revolution hydraulic stem 26, the oil cylinder of two revolution hydraulic stems 26 are hinged on the both ends of connecting shaft 241, and two are turned round hydraulic stem 26
Piston rod is hinged on the top of large arm attachment means 31 by two steering spindles 320 respectively.By controlling two revolution hydraulic stems 26
Piston rod stretch so that revolution digging arm 3, forearm 4 and scraper bowl 5 can be realized and swung.
Revolution digging arm 3 includes large arm attachment means 31, forearm attachment means 32 and transfer 33.Before large arm connection
End is connected with the rear end of transfer 33, and the front end of transfer 33 is connected with the rear end of forearm attachment means 32.Forearm connection dress
32 front end is put to be hinged with the rear end of fixed arm and the oil cylinder of the 4th hydraulic stem 44 respectively.Transfer 33 is used for driving forearm to connect
The axial rotation of connection device 32, transfer 33 include motor 331 and reductor 332.Motor 331 is hydraulic motor, motor 331 with
The hydraulic pump of digging arm is connected by pipeline, is that motor 331 provides power by hydraulic pump.Motor 331 can drive 332 turns of reductor
Dynamic, reductor 332 drives the axial-rotation of forearm attachment means 32 again.
Large arm attachment means 31 are used to connect large arm 2 and transfer 33, large arm attachment means 31 including fixed plate 311,
First connecting plate 313, the second connecting plate 314, the 3rd connecting plate 315, the 4th connecting plate 316, the 5th connecting plate 317, large arm master
Axle 318, sleeve 319 and two steering spindles 320.Fixed plate 311 is in square platy structure, and installation is provided with fixed plate 311
Mouthfuls 312, installing port 312 is between the first connecting plate 313 and the second connecting plate 314, and installing port 312 is circular port, motor 331
External diameter matched with the internal diameter of the installing port 312, in the stator of motor 331 insertion installing port 312, the retainer plate 333 of motor 331
It is mounted by means of bolts on the edge of installing port 312.In order to protect tumbler, in the present embodiment, be additionally provided with sleeve
319, sleeve 319 is in that sleeve 319 is fixedly connected on fixation in the circumference of the circular clutch end for being centered around reductor 332
The another side of plate 311.First connecting plate 313 is identical with the shape of the second connecting plate 314 and is all special-shaped platy structure, and first connects
Plate 313 and the second connecting plate 314 are vertically fixedly connected on the one side of fixed plate 311 and both are parallel.In the present embodiment, it is fixed
Connection is welding.5th connecting plate 317 is rectangle tabular structure, and the 5th connecting plate 317 is vertically fixedly connected on the first company
Between the connecting plate 314 of fishplate bar 313 and second, the 3rd connecting plate 315 and the 4th connecting plate 316 are vertically fixedly connected on fixed plate
311 one side and both parallel to the 5th connecting plate 317.The one side of 3rd connecting plate 315 respectively with the first connecting plate 313 and
One end of two connecting plates 314 is fixedly connected, by the interconnection of above-mentioned four pieces of connecting plates, so as to add large arm attachment means
31 structural strength.Large arm main shaft 318 is rotatably mounted between the 3rd connecting plate 315 and the 5th connecting plate 317, large arm main shaft
318 axis is vertical with the 3rd connecting plate 315 and the 5th connecting plate 317.Two steering spindles 320 are rotatably mounted at the 3rd connection
Between the connecting plate 316 of plate 315 and the 4th, the piston rod of two large arm steering hydraulic bars is respectively hinged in two steering spindles 320.
Forearm attachment means 32 are used to connect forearm 4 and transfer 33.Forearm attachment means 32 include connecting tube 321,
Deflecting plate 322, first turns to connecting plate 323, second and turns to connecting plate 324, arm spindle 325 and forearm steering spindle 326.Connection
In a tubular form, one end of connecting tube 321 extends radially inwardly the interior connection ring 327 to form cyclic structure to pipe 321, connecting tube 321
The other end extends radially outwardly to form the outer connection ring 328 of cyclic structure, the clutch end insertion connecting tube of reductor 332
321 and it is fixedly connected by bolt with interior connection ring 327, the outer connection ring 328 of connecting tube 321, which is mounted by means of bolts on, to be turned
To the one side of plate 322.While by connecting tube 321, the clutch end of reductor 332 is connected with the reality of deflecting plate 322,
Connecting tube 321 cooperatively forms a cylindrical case with sleeve 319 again and protects transfer 33 from soil and raindrop erosion.Turn to
Plate 322 is in special-shaped platy structure.First, which turns to connecting plate 323 and second, turns to 324 platy structure in a rectangular trapezoid of connecting plate, the
One steering connecting plate 323 and second turns to the another side that connecting plate 324 is vertically fixedly connected on deflecting plate 322, first company of steering
Fishplate bar 323 is parallel with the second steering connecting plate 324, and arm spindle 325 and forearm steering spindle 326 are rotatably mounted at the first steering
Connecting plate 323 and second is turned between connecting plate 324.The oil cylinder of fixed arm and the 4th hydraulic stem 44 is respectively hinged at arm spindle
325 and forearm steering spindle 326 on.By controlling the piston rod of the 4th hydraulic stem 44 to stretch so that forearm 4 is around arm spindle
325 swing.So as to further increase the flexibility of small arm of digger 4, it is ensured that it is existing that small arm of digger 4 assists scraper bowl 5 to complete
The excavation dead angle that excavator can not touch.
Forearm 4 includes fixed arm 41, telescopic arm 42, the 3rd hydraulic stem 43 and the 4th hydraulic stem 44.Telescopic arm 42 includes sliding
Swing arm 421 and slave arm 422, fixed arm 41 and travelling arm 421 are the tubular structure of a Longitudinal extending, fixed arm 41 and cunning
The lateral cross section shape of swing arm 421 is identical.In the present embodiment, the lateral cross section of fixed arm 41 and travelling arm 421 is rectangular
Shape, naturally it is also possible to be trapezoidal or other shapes.Travelling arm 421 is in fixed arm 41 and can be relatively fixed the straight line of arm 41
Stretch out or retract.Slave arm 422 is the U-lag of a lengthwise, and slave arm 422 is longitudinally arranged at the top of fixed arm 41, from
The front end of swing arm 422 is connected with the front end of travelling arm 421.By setting slave arm 422 so as to improving the structure of travelling arm 421
Intensity, excavator is prevented in mining process, the stress of travelling arm 421 is excessive to deform.The upper surface two of fixed arm 41 is vertical
While extend laterally to form two slide rails 411.The rear end of slave arm 422 by the sliding block 412 that is stuck on two slide rails 411 slidably
Installed in the top of fixed arm 41.The lateral cross section of sliding block 412 is u-shaped, sliding block 412 by bolt be respectively and fixedly installed to from
The both sides of swing arm 422.By setting sliding block 412 in the rear end of slave arm 422 so that when slave arm 422 and travelling arm 421 slide
It is more steady, the abrasion between travelling arm 421 and fixed arm 41 is reduced, so as to extend the life-span of scalable digging arm.The
Three hydraulic stems 43 are in inside travelling arm 421, and the rear end of the piston rod and fixed arm 41 of the first hydraulic stem 22 is hinged, the 3rd hydraulic pressure
The front end of the oil cylinder of bar 43 and travelling arm 421 is hinged.By controlling the flexible realization control of the piston rod of the 3rd hydraulic stem 43 flexible
Arm 42 stretches, so that driving arm lengths increase, the working range of increase excavator driving arm, what driver can construct
Need the length of flexibly control forearm 4.The piston rod of 4th hydraulic stem 44 is hinged on the middle part of fixed arm 41, the 4th hydraulic stem 44
Oil cylinder is be hinged with forearm attachment means 32.By controlling the flexible of the piston rod of the 4th hydraulic stem 44, so as to realize forearm 4 around
Fixed arm 41 is hinged spot wobble with forearm attachment means 32.
Further, in order to strengthen the flexibility of scraper bowl 5, in the present embodiment, forearm 4 also includes the 5th hydraulic stem 45.
The oil cylinder of 5th hydraulic stem 45 is hinged on the rear end of slave arm 422, and the piston of the 5th hydraulic stem 45 is be hinged with scraper bowl 5, and scraper bowl 5 is same
When be hinged again with the front end of travelling arm 421, by controlling the flexible of the piston rod of the 5th hydraulic stem 45, and then realize control scraper bowl 5
Around scraper bowl 5 and the be hinged spot wobble of travelling arm 421.
Although above with general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be modified or improved, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention, belong to the scope of protection of present invention.
Claims (8)
1. a kind of all direction multifunctional tunnels arm, all direction multifunctional driving arm includes link, large arm, revolution excavation
Arm, forearm and scraper bowl;Characterized in that, the front end of the large arm is connected with the rear end of the revolution digging arm, the large arm
Rear end is connected with link, and connection component is provided with the middle part of the large arm;The connection component by the first hydraulic stem with it is described
Link connects;The front end of the revolution digging arm is connected with the rear end of the forearm, the front end of the forearm and the scraper bowl
Connection, the link are hinged on by the main shaft on link and excavated on railcar body;One end of two large arm steering hydraulic bars
The both sides of the link are respectively hinged at, the other end of two large arm steering hydraulic bars, which is respectively hinged at, to be excavated on railcar body.
2. all direction multifunctional according to claim 1 tunnels arm, it is characterised in that the large arm includes principal arm, turned to
Link and the second hydraulic stem;The rear end for turning to link is hinged on the front end of the principal arm, the steering link
Front end is connected with the rear end of the revolution digging arm, and connecting shaft is provided with the steering link, second hydraulic stem
One end is hinged on the middle part of the connecting shaft, and the other end of second hydraulic stem is hinged on the middle part of the large arm.
3. all direction multifunctional according to claim 2 tunnels arm, it is characterised in that the revolution digging arm includes large arm
Attachment means, forearm attachment means and transfer;The front end of the large arm attachment means is connected with the transfer rear end,
The rear end of the large arm attachment means and the front end of the steering link are hinged;The front end of the transfer and the forearm
The rear end connection of attachment means, the transfer can drive the forearm attachment means axial-rotation;The forearm connection dress
The front end put is connected with the rear end of the forearm.
4. all direction multifunctional according to claim 3 tunnels arm, it is characterised in that the large arm also includes two revolutions
Hydraulic stem, one end of two revolution hydraulic stems are hinged on the both ends of the connecting shaft, two revolution hydraulic stems it is another
One end is respectively hinged at the large arm attachment means top.
5. all direction multifunctional according to claim 4 tunnels arm, it is characterised in that the axle of two revolution hydraulic stems
Line is in an angle.
6. all direction multifunctional according to claim 4 tunnels arm, it is characterised in that the forearm includes fixed arm, stretched
Contracting arm, the 3rd hydraulic stem and the 4th hydraulic stem;The rear end of the fixed arm and the front end of the forearm attachment means are hinged;It is described
Telescopic arm is located in the fixed arm and can relatively described fixed arm straight line stretching or contraction, the front end of the telescopic arm and institute
Scraper bowl is stated to be hinged;3rd hydraulic stem is located in the telescopic arm, and one end of the 3rd hydraulic stem is hinged on the fixation
The rear end of arm, the other end of the 3rd hydraulic stem are hinged on the front end of the telescopic arm;One end hinge of 4th hydraulic stem
It is connected in the middle part of the fixed arm, the other end of the 4th hydraulic stem is hinged in forearm attachment means.
7. all direction multifunctional according to claim 6 tunnels arm, it is characterised in that the fixed arm and the telescopic arm
Cross section be rectangle.
8. all direction multifunctional according to claim 1 tunnels arm, it is characterised in that the oil cylinder of first hydraulic stem with
The link is hinged, and piston rod and the connection component of first hydraulic stem are hinged.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710848312.1A CN107558512B (en) | 2017-09-19 | 2017-09-19 | All-round multi-functional tunnelling arm |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710848312.1A CN107558512B (en) | 2017-09-19 | 2017-09-19 | All-round multi-functional tunnelling arm |
Publications (2)
Publication Number | Publication Date |
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CN107558512A true CN107558512A (en) | 2018-01-09 |
CN107558512B CN107558512B (en) | 2021-07-27 |
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CN201710848312.1A Active CN107558512B (en) | 2017-09-19 | 2017-09-19 | All-round multi-functional tunnelling arm |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109706995A (en) * | 2019-01-23 | 2019-05-03 | 山西德源宏泰科技有限公司 | Flat shovel and excavator with same |
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CN106638735A (en) * | 2015-11-02 | 2017-05-10 | 宜昌长兴机械制造有限公司 | Excavator mechanical arm and multi-function excavator |
CN207244690U (en) * | 2017-09-19 | 2018-04-17 | 北京迈弛科技发展有限公司 | A kind of all direction multifunctional tunnels arm |
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CN1104282A (en) * | 1992-07-27 | 1995-06-28 | 吉尔摩运输服务有限公司 | Coupling for heavy-duty machine |
JP2006307498A (en) * | 2005-04-27 | 2006-11-09 | Toyota Industries Corp | Work vehicle and skid steering loader |
US20150191894A1 (en) * | 2008-07-14 | 2015-07-09 | Hudson Bay Holding B.V. | Mobile Device |
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