CN108560624A - Digging arm and excavating equipment - Google Patents
Digging arm and excavating equipment Download PDFInfo
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- CN108560624A CN108560624A CN201810667758.9A CN201810667758A CN108560624A CN 108560624 A CN108560624 A CN 108560624A CN 201810667758 A CN201810667758 A CN 201810667758A CN 108560624 A CN108560624 A CN 108560624A
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- Prior art keywords
- dipper
- arm
- forearm
- swing arm
- sleeve
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
- E02F5/022—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with tools digging laterally with respect to the frame
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Earth Drilling (AREA)
- Operation Control Of Excavators (AREA)
Abstract
The present invention relates to a kind of digging arm and excavating equipments, wherein digging arm includes scraper bowl (1), dipper component and swing arm (11), the dipper component is connected between the scraper bowl (1) and the swing arm (11), the swing arm (11) also connect with the body of excavating equipment, the dipper component includes dipper forearm (4) and sidesway driving mechanism, sidesway driving mechanism is connected between the dipper forearm (4) and the swing arm (11), and for driving the dipper forearm (4) to be displaced sideways relative to the swing arm (11), and the dipper forearm (4) and the swing arm (11) keeping parallelism before and after movement.Excavating equipment includes digging arm.The sidesway range bigger of digging arm and excavating equipment of the present invention, the performance that side is excavated is more preferable, also helps reduction improvement cost.
Description
Technical field
The present invention relates to earthmoving machinery technical field more particularly to a kind of digging arms and excavating equipment.
Background technology
Loader-digger is a kind of engineering machinery of multipurpose small, because of the features such as its working space is small, mobility strong, extensively
It is general to be applied to the fields such as construction of water conservancy works, urban construction, highway maintenance, harbour, oil field, it is mainly used for foundation trench, foundation pit, pipe trench
Excavation etc. small-sized earth work and backfill.Side for small space or close to barrier is excavated, and such as excavates base on wall side
When the operating mode of slot, existing loader-digger is difficult efficiently to complete.
According to the arrangement form of the digging arm of loader-digger, loader-digger be broadly divided into side shifting type loader-digger and
Middle loader-digger.For existing side shifting type loader-digger, although side can be realized to a certain extent
Excavate, but its supporting leg be straight legs formula, support width is generally close with body width, side shifting type loader-digger be equipped with width with
The roughly equal lateral moving frame of body width, digging arm are slided relative to lateral moving frame, and sidesway range is confined to the width of lateral moving frame
In range, region that can not be other than sidesway to body width；For middle loader-digger, structure does not have sidesway work(
Can, side excavation can not be carried out, can only carry out operation by adjusting host and angle of revolution, it is inconvenient, working efficiency is low,
Even operation can not be carried out in small space.
It should be noted that the information for being disclosed in background of invention part is merely intended to increase the totality to the present invention
The understanding of background, and be not construed as recognizing or imply in any form the information constitute by those skilled in the art public affairs
The prior art known.
Invention content
The purpose of the present invention is to propose to a kind of digging arm and excavating equipments, and side excavation is carried out in small space to realize
Function, and enhance the side mining ability of loader-digger.
To achieve the above object, the present invention provides a kind of digging arm, including scraper bowl, dipper component and swing arm, dipper groups
Part is connected between scraper bowl and swing arm, and swing arm is also connect with the body of excavating equipment, and dipper component includes：
Dipper forearm；With
Sidesway driving mechanism is connected between dipper forearm and swing arm, for driving dipper forearm to occur relative to swing arm
Lateral movement, and mobile front and back dipper forearm and swing arm keeping parallelism.
Optionally, dipper component further includes：
Dipper postbrachium is connected between sidesway driving mechanism and swing arm.
Optionally, sidesway driving mechanism is manually adjustable.
Optionally, sidesway driving mechanism includes：
Arm in first dipper is connected between the left side of dipper forearm and the left side of swing arm；
Arm in second dipper is connected between the right side of dipper forearm and the right side of swing arm, parallel with arm in the first dipper
Setting and equal length；
Bar assembly is covered, the company of arm and arm and swing arm in the tie point and the second dipper of dipper forearm in the first dipper is connected to
Between contact or in the first dipper in the tie point and the second dipper of arm and swing arm between arm and the tie point of dipper forearm；
With
Regulating mechanism is used for the length of adjusting set bar assembly.
Optionally, set bar assembly includes：
Sleeve；With
Connecting rod, one end are plugged in sleeve, and the length of connecting rod insertion sleeve is adjusted by regulating mechanism.
Optionally, regulating mechanism includes：
Ring flange is equipped with the first hole, is set in the periphery of sleeve, and with sleeve clearance fit；With
Positioning disk is equipped with the second hole, is arranged and is fixedly connected with ring flange in the side of ring flange, so that positioning disk and flange
Disk is relatively fixed in the axial direction with sleeve；
Wherein, connecting rod is inserted into the second hole and is connected through a screw thread with positioning disk.
Optionally, ring flange is equipped with from the radially inwardly extending first boss of internal face, and sleeve is equipped with from outside wall surface edge
The second boss to extend radially outwardly, second boss are plugged between positioning disk and first boss and are formed by cavity.
Optionally, set bar assembly further includes locking member, for locking connecting rod, prevents connecting rod from being moved relative to sleeve.
Optionally, excavating equipment further includes fixed frame, for sidesway driving mechanism to be fixed.
Optionally, the quantity of fixed frame is multiple, and the specification of each fixed frame is different, in the shape of sidesway driving mechanism
Different fixed frames is replaced when shape difference.
To achieve the above object, the present invention also provides a kind of excavating equipments, including above-mentioned digging arm.
Optionally, excavating equipment is loader-digger.
Based on the above-mentioned technical proposal, the dipper component in digging arm embodiment of the present invention includes dipper forearm and sidesway driving
Mechanism, the sidesway driving mechanism can drive dipper forearm to be displaced sideways relative to swing arm, to realize the work(of side excavation
Can, sidesway wider range without lateral moving frame, therefore is not only restricted to the width of lateral moving frame；Relative to swing arm side occurs for dipper forearm
To before and after mobile, dipper forearm remains parallel with swing arm, therefore when being excavated to ground region below, still may be used
To ensure that scraper bowl can carry out the excavation on vertical plane；Also, a part of the sidesway driving mechanism as dipper component is not changing
Become on original loader-digger under the premise of the structure type of swing arm, can be realized to original by replacing dipper component and scraper bowl
The improvement for having loader-digger advantageously reduces the replacement of parts, saves improvement cost.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and is constituted part of this application, this hair
Bright illustrative embodiments and their description are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the structural schematic diagram of digging arm one embodiment of the present invention.
Fig. 2 is vertical view of the digging arm one embodiment of the present invention before sidesway.
Fig. 3 is vertical view of the digging arm one embodiment of the present invention after sidesway.
Fig. 4 is the structural schematic diagram of sidesway driving mechanism in digging arm one embodiment of the present invention.
In figure：
1, scraper bowl；2, connecting rod；3, rocking bar；4, dipper forearm；5, bucket hydraulic cylinder；6, bar assembly is covered；7, fixed frame；8,
Arm in one dipper；9, arm in the second dipper；10, dipper postbrachium；11, swing arm；12, connecting rod；13, positioning disk；14, ring flange；
15, sleeve；16, bolt；17, locking member.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, is clearly and completely retouched to the technical solution in embodiment
It states.Obviously, described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on this hair
Bright embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term "center", " transverse direction ", " longitudinal direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as pair
The limitation of the scope of the present invention.
Side excavation performance in order to solve the problems, such as loader-digger in the prior art is poor, and the present invention proposes a kind of
The improved digging arm of structure and the excavating equipment with the digging arm.
As shown in Figure 1, in an illustrative examples of digging arm provided by the present invention, the digging arm, including shovel
Bucket 1, dipper component and swing arm 11, dipper component are connected between scraper bowl 1 and swing arm 11, swing arm 11 also with the body of excavating equipment
Connection.
Wherein, dipper component includes dipper forearm 4 and sidesway driving mechanism, and sidesway driving mechanism is connected to dipper forearm 4
Between swing arm 11, sidesway driving mechanism is for driving dipper forearm 4 to be displaced sideways relative to swing arm 11, and before and after moving
Dipper forearm 4 and 11 keeping parallelism of swing arm, i.e. dipper forearm 4 are parallelly moved relative to swing arm 11 to side.
In above-mentioned illustrative examples, dipper component includes dipper forearm 4 and sidesway driving mechanism, the sidesway driving machine
Structure can drive dipper forearm 4 to be displaced sideways relative to swing arm 11, with realize side excavate function, sidesway range compared with
Width without lateral moving frame, therefore is not only restricted to the width of lateral moving frame, and as needed except sidesway to vehicle body, can increase side
The range that side is excavated, improves the practicability of excavating equipment.
In the prior art, there is a kind of loader-digger, although can also realize the sidesway of dipper, occur in dipper
When sidesway, there is no keeping parallelisms with dipper for swing arm, between swing arm and dipper at an angle, the defect of this structure setting
It is, when being excavated to ground region below, between swing arm and set deflection arm between swing arm and dipper
Connection axis pin can glance off and be no longer normal to ground, and at this time since the structure of swing arm and dipper limits, scraper bowl can not be perpendicular
It faces directly and carries out side excavation, seriously affected the effect of side excavation, reduced practicability.And in embodiments of the present invention,
Before and after dipper forearm 4 is displaced sideways relative to swing arm 11, dipper forearm 4 remains parallel with swing arm 11, over the ground
When face region below is excavated, connection axis pin even if between dipper component and swing arm 11 can glance off and no longer hang down
Directly in ground, it can still ensure that scraper bowl can carry out the excavation on vertical plane, side mining ability is stronger.
A part of the sidesway driving mechanism as dipper component, under the premise of not changing the structure type of original swing arm,
The improvement to existing equipment can be realized by replacing dipper component and scraper bowl, advantageously reduce the replacement of parts, save
Improvement cost.Especially for loader-digger, swing arm is generally straight arm type structure, and sidesway is arranged in dipper component and drives
Motivation structure is more advantageous to the Overall Reconstruction of loader-digger, avoids the structure of modification to swing arm as possible, cost-effective.
In an alternate embodiment of the invention, dipper component further includes dipper postbrachium 10, and dipper postbrachium 10 is connected to sidesway driving machine
Between structure and swing arm 11.In the optional embodiment, as shown in Figures 2 and 3, dipper postbrachium 10 is connect with swing arm 11, dipper
It is specially that dipper forearm 4 is displaced sideways relative to dipper postbrachium 10, and is moved that relative to swing arm 11 lateral movement, which occurs, for forearm 4
Dynamic front and back dipper forearm 4 and 11 keeping parallelism of swing arm are specially 10 keeping parallelism of dipper forearm 4 and dipper postbrachium.
For the specific constructive form of sidesway driving mechanism can there are many selections, as long as 4 phase of dipper forearm can be driven
Swing arm 11 is displaced sideways.
Optionally, sidesway driving mechanism is manually adjustable.
As a kind of specific implementation mode of sidesway driving mechanism, sidesway driving mechanism includes arm 8, second in the first dipper
Arm 9, set bar assembly 6 and regulating mechanism in dipper, wherein arm 8 is connected to left side and the swing arm 11 of dipper forearm 4 in the first dipper
Left side between, arm 9 is connected between the right side of dipper forearm 4 and the right side of swing arm 11 in the second dipper, set bar assembly 6 connect
In the first dipper in the tie point and the second dipper of arm 8 and dipper forearm 4 between arm 9 and the tie point of swing arm 11, Huo Zhe
In one dipper in the tie point and the second dipper of arm 8 and swing arm 11 between arm 9 and the tie point of dipper forearm 4, regulating mechanism is used
In the length of adjusting set bar assembly 6.
In above-mentioned specific implementation mode, arm 9 is mutually parallel and equal length in arm 8 and the second dipper in the first dipper,
Therefore the interconnecting piece in the first dipper in arm 8, the second dipper between arm 9, the left side of dipper forearm 4 and the right side of dipper forearm 4
Divide and the coupling part between the left side and the right side of swing arm 11 of swing arm 11 forms parallelogram sturcutre, set bar assembly 6 connects
The diagonal positions of parallelogram are connected on, the length of adjusting set bar assembly 6 is passed through, thus it is possible to vary the shape of parallelogram,
To make dipper forearm 4 be displaced sideways relative to swing arm 11.
Further, set bar assembly 6 includes sleeve 15 and connecting rod 12, and one end of connecting rod 12 is plugged in sleeve 15,
And the length of 12 insertion sleeve 15 of connecting rod is adjusted by regulating mechanism.
Optionally, regulating mechanism includes ring flange 14 and positioning disk 13, and wherein ring flange 14 is equipped with the first hole, ring flange
14 are set in the periphery of sleeve 15, and with 15 clearance fit of sleeve, ring flange 14 can rotate relative to sleeve 15.Positioning disk 13
Be equipped with the second hole, be arranged and be fixedly connected with ring flange 14 in the side of ring flange 14 so that positioning disk 13 and ring flange 14 and
Sleeve 15 is relatively fixed in the axial direction, and in this way in rotational positioning disk 13 and ring flange 14, positioning disk 13 and ring flange 14 are covering
It is not relatively moved in the axial direction of cylinder 15, and connecting rod 12 is inserted into the second hole and is connected through a screw thread with positioning disk 13, because
Connecting rod 12 can be made to be threaded in or out sleeve 15 when this rotational positioning disk 13 and ring flange 14, realize the length to covering bar assembly 6
It adjusts.
Regulating mechanism in the embodiment of the present invention is simple in structure, compared to using the driving mechanisms such as oil cylinder or cylinder, this hair
The impost of sidesway driving mechanism in bright embodiment is smaller, on the whole center of gravity of digging arm especially dipper component influence compared with
It is small, the offset of center of gravity will not be caused substantially in the case of not sidesway, digging arm entirety stress is relatively uniform, can avoid excavating
Arm side is arranged the larger oil cylinder of weight and brings unbalance stress, avoids influencing operational stability and the service life of each component.
In order to realize that positioning disk 13 and ring flange 14 and sleeve 15 are relatively fixed in the axial direction, ring flange 14 is equipped with from inner wall
The radially inwardly extending first boss in face, sleeve 15 are equipped with the second boss extended radially outward from outside wall surface, and second is convex
Platform is plugged between positioning disk 13 and first boss and is formed by cavity.First boss and the contact of second boss side, with resistance
Gear ring flange 14 is moved axially relative to sleeve 15, and positioning disk 13 is fixedly connected with ring flange 14, therefore positioning disk 13
It will not be moved axially relative to sleeve 15.
Optionally, positioning disk 13 is connect and is fixed by bolt 16 with ring flange 14.
Optionally, set bar assembly 6 further includes locking member 17, for locking connecting rod 12, prevents connecting rod 12 relative to set
Cylinder 15 moves.After the completion of connecting rod 12 and the relative position of sleeve 15 are adjusted, is locked, can be set in excavation by locking member 17
It is standby to prevent connecting rod 12 from accidental movement occurs relative to sleeve 15 in operation process, improve job security.
Optionally, locking member 17 is locking nut, is set in connecting rod 12, can be locked to connecting rod 12.
Optionally, digging arm further includes fixed frame 7, for sidesway driving mechanism to be fixed.By the way that fixed frame is arranged
7, the shape of parallelogram can be fixed, dipper group is further enhanced after the fixation of the shape of sidesway driving mechanism
The overall stiffness of part improves structural stability, avoids security risk.
Optionally, the quantity of fixed frame 7 is multiple, and the specification of each fixed frame 7 is different, in sidesway driving mechanism
Different fixed frames 7 is replaced when shape difference.
Based on above-mentioned digging arm, the present invention also proposes a kind of excavating equipment, which includes above-mentioned digging arm.
Optionally, excavating equipment is loader-digger.Other than loader-digger, above-mentioned digging arm can also be applied
In in the engineering machinery that other need sidesway.
Positive technique effect possessed by digging arm is equally applicable to excavating equipment in above-mentioned each embodiment, here no longer
It repeats.
The concrete structure of one embodiment of 1~4 pair of digging arm and excavating equipment of the present invention and work below in conjunction with the accompanying drawings
Process is described in detail：
As shown in Figure 1, digging arm includes scraper bowl 1, dipper component and swing arm 11.Dipper component includes dipper forearm 4, sidesway
Driving mechanism and dipper postbrachium 10.Dipper postbrachium 10 is hinged with swing arm 11, and swing arm 11 is hinged with body.
Scraper bowl 1 is hinged with dipper forearm 4, and rocking bar 3 is hingedly connected on dipper forearm 4, is equipped between rocking bar 3 and scraper bowl 1
One end of connecting rod 2, connecting rod 2 is hinged with rocking bar 3, and the other end is hinged with scraper bowl 1.Dipper forearm 4 is equipped with otic placode, dipper forearm 4
It is hinged by otic placode and bucket hydraulic cylinder 5.Scraper bowl 1 can be driven to do excavation fortune relative to dipper forearm 4 by bucket hydraulic cylinder 5
It is dynamic.
Sidesway driving mechanism includes arm 9, set bar assembly 6 and regulating mechanism in arm 8, the second dipper in the first dipper.First
The cross sectional shape of arm 9 is I-shaped in arm 8 and the second dipper in dipper.The left side of one end of arm 8 and dipper forearm 4 in first dipper
Side is hinged, and the left side of the other end and dipper postbrachium 10 is hinged.One end of arm 9 and the right side of dipper forearm 4 are hinged in second dipper,
The right side of the other end and dipper postbrachium 10 is hinged.Arm in arm 8 and the second dipper in dipper forearm 4, dipper postbrachium 10, the first dipper
9 are hinged, and form mobilizable parallelogram sturcutre.
As shown in figure 4, set bar assembly 6 includes connecting rod 12 and sleeve 15, in one end insertion sleeve 15 of connecting rod 12, separately
One end is located at outside sleeve 15.The hinge joint of one end of the separate sleeve 15 of connecting rod 12 and arm 9 and dipper forearm 4 in the second dipper
It is hinged, one end of separate the connecting rod 12 of sleeve 15 and arm 8 in the first dipper and dipper postbrachium 10 it is hingedly point articulated.
Regulating mechanism includes positioning disk 13 and ring flange 14, and ring flange 14 is equipped with inside first boss, on sleeve 15
Equipped with outside second boss, first boss and second boss intersect and are adjacent to, and positioning disk 13 and ring flange 14 pass through bolt
16 are fixedly connected.Connecting rod 12 is connected through a screw thread with positioning disk 13, and connecting rod 12 is equipped with locking member 17.
Digging arm further includes fixed frame 7, and fixed frame 7 is arm 9 in arm 8 in X-shaped structure, with the first dipper and the second dipper
Four axis pins are hinged, form for fixing in dipper forearm 4, the first dipper arm 9 and dipper postbrachium 10 in arm 8, the second dipper
Parallelogram sturcutre, enhancing structure rigidity.Excavation load can not use fixed frame 7 when smaller, bear to carry by set bar assembly 6
Lotus.According to the common amount of side-shift of digging arm, a series of fixed frames 7 with different size can be made.
When operation, rotational positioning disk 13 can be such that connecting rod 12 is axially moveable relative to sleeve 15, with adjusting set bar assembly
6 length.After the length adjustment for covering bar assembly 6, the shape of parallelogram sturcutre changes, to drive dipper forearm 4
It is parallelly displaced sideways relative to dipper postbrachium 10.After 4 sidesway to predeterminated position of dipper forearm, towards close to positioning disk 13
Direction rotation lock part 17, so that it is bonded locking with the end face of sleeve 15, complete locking.Furthermore it is also possible to select suitably
Fixed frame 7, is fixed parallelogram sturcutre.
Pass through the explanation to digging arm of the present invention and multiple embodiments of excavating equipment, it can be seen that digging arm of the present invention and
Excavating equipment embodiment at least has the advantages that one or more of：
1, sidesway range bigger is not only restricted to the width of lateral moving frame, can also stretch out except fuselage as needed, solves mesh
Preceding loader-digger is difficult to the problem of side foundation trench digging working condition is carried out in small space, further improves loader-digger
Application range；
2, sidesway driving mechanism is arranged on dipper, advantageously reduces structure of modification, saves improvement cost；
3, dipper forearm and dipper postbrachium, swing arm keeping parallelism before and after sidesway improve the performance that side is excavated；
4, oil cylinder or cylinder are replaced using manually adjustable sidesway driving mechanism, structure is simpler, and cost is lower, also
The center of gravity of digging arm can be avoided to shift in the case where sidesway does not occur, digging arm is made to be more uniformly stressed, improve behaviour
Make stability and the service life of digging arm.
Finally it should be noted that：The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, those of ordinary skills in the art should understand that：Still
It can modify to the specific implementation mode of the present invention or equivalent replacement is carried out to some technical characteristics；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (12)
1. a kind of digging arm, including scraper bowl (1), dipper component and swing arm (11), the dipper component are connected to the scraper bowl (1)
Between the swing arm (11), the swing arm (11) also connect with the body of excavating equipment, which is characterized in that the dipper component
Including：
Dipper forearm (4)；With sidesway driving mechanism, it is connected between the dipper forearm (4) and the swing arm (11), for driving
It moves the dipper forearm (4) to be displaced sideways relative to the swing arm (11), and the mobile front and back dipper forearm (4) and institute
State swing arm (11) keeping parallelism.
2. digging arm according to claim 1, which is characterized in that the dipper component further includes：
Dipper postbrachium (10) is connected between the sidesway driving mechanism and the swing arm (11).
3. digging arm according to claim 1, which is characterized in that the sidesway driving mechanism is manually adjustable.
4. digging arm according to claim 1, which is characterized in that the sidesway driving mechanism includes：
Arm (8) in first dipper are connected between the left side and the left side of the swing arm (11) of the dipper forearm (4)；
Arm (9) in second dipper are connected between the right side and the right side of the swing arm (11) of the dipper forearm (4), with institute
Arm (8) in the first dipper is stated to be arranged in parallel and equal length；
Bar assembly (6) is covered, the tie point and described second of arm (8) and the dipper forearm (4) in first dipper is connected to
Arm (8) and the swing arm (11) between arm (9) and the tie point of the swing arm (11) or in first dipper in dipper
In tie point and second dipper between arm (9) and the tie point of the dipper forearm (4)；With
Regulating mechanism, the length for adjusting the set bar assembly (6).
5. digging arm according to claim 4, which is characterized in that the set bar assembly (6) includes：
Sleeve (15)；With
Connecting rod (12), one end are plugged in the sleeve (15), and adjust the connecting rod (12) by the regulating mechanism
It is inserted into the length of the sleeve (15).
6. digging arm according to claim 5, which is characterized in that the regulating mechanism includes：
Ring flange (14) is equipped with the first hole, is set in the periphery of the sleeve (15), and with the sleeve (15) clearance fit；
With positioning disk (13), it is equipped with the second hole, setting is fixedly connected in the side of the ring flange (14) with the ring flange (14), with
The positioning disk (13) and the ring flange (14) is set to be relatively fixed in the axial direction with the sleeve (15)；Wherein, the connection
Bar (12) is inserted into second hole and is connected through a screw thread with the positioning disk (13).
7. digging arm according to claim 6, which is characterized in that the ring flange (14) be equipped with from internal face radially to
The first boss of interior extension, the sleeve (15) are equipped with the second boss extended radially outward from outside wall surface, and described second is convex
Platform is plugged between the positioning disk (13) and the first boss and is formed by cavity.
8. digging arm according to claim 5, which is characterized in that the set bar assembly (6) further includes locking member (17), is used
In locking the connecting rod (12), prevent the connecting rod (12) mobile relative to the sleeve (15).
9. digging arm according to claim 1, which is characterized in that further include fixed frame (7), for being driven to the sidesway
Mechanism is fixed.
10. digging arm according to claim 9, which is characterized in that the quantity of the fixed frame (7) is multiple, and each
The specification of the fixed frame (7) is different, to replace the different fixed frames in the shape difference of the sidesway driving mechanism
(7)。
11. a kind of excavating equipment, which is characterized in that including such as claim 1~10 any one of them digging arm.
12. excavating equipment according to claim 11, which is characterized in that the excavating equipment is loader-digger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810667758.9A CN108560624B (en) | 2018-06-26 | 2018-06-26 | Excavating arm and excavating equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810667758.9A CN108560624B (en) | 2018-06-26 | 2018-06-26 | Excavating arm and excavating equipment |
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| CN108560624A true CN108560624A (en) | 2018-09-21 |
| CN108560624B CN108560624B (en) | 2023-07-04 |
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| CN108560624B (en) | 2023-07-04 |
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