CN106703097A - Digging arm and underground tunnel construction equipment - Google Patents
Digging arm and underground tunnel construction equipment Download PDFInfo
- Publication number
- CN106703097A CN106703097A CN201510790260.8A CN201510790260A CN106703097A CN 106703097 A CN106703097 A CN 106703097A CN 201510790260 A CN201510790260 A CN 201510790260A CN 106703097 A CN106703097 A CN 106703097A
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- China
- Prior art keywords
- arm
- dipper
- digging
- telescopic
- swing arm
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The invention relates to a digging arm and underground tunnel construction equipment. The digging arm comprises a main arm body, a bucket rod arm (10), a telescopic arm (11) and a bucket assembly. One end of the main arm body is connected with a rack base (1), and the other end of the main arm body is connected with the bucket rod arm (10). The telescopic arm (11) is connected with the bucket rod arm (10). The bucket assembly is installed on the telescopic arm (11). The telescopic arm (11) can stretch out or retract along a straight line relative to the bucket rod arm (10). According to the digging arm, the telescopic arm is additionally arranged on the bucket rod arm, when the telescopic arm stretches out linearly, the overall length of the digging arm is increased, the front portion of the digging arm can go deep into a farther place for digging, and thus the digging efficiency is improved; and meanwhile, when the telescopic arm retracts, the overall length of the digging arm is unchanged, and more space cannot be occupied.
Description
Technical field
The present invention relates to underground construction field of mechanical technique, more particularly to a kind of digging arm and underground
Constructing tunnel equipment.
Background technology
During domestic subway construction, for the construction of platform, shield machine cannot be completed, and can only be applied
Less special equipment is completed, at present existing excavation milling equipment, although to a certain extent
Instead of manually, but its digging efficiency is not high.In constructing metro tunnel, lateral trench is dug
During with lateral grooves, the opereating specification of digging arm is smaller, and very flexible, operating efficiency is low.
The content of the invention
It is existing to solve the purpose of the present invention is to propose to a kind of digging arm and construction of underground tunnel equipment
There is the relatively low problem of the digging arm digging efficiency in technology.
To achieve the above object, the invention provides a kind of digging arm, including principal arm, dipper arm,
Telescopic arm and bucket assembly, wherein one end of the principal arm is connected with gantry base, the principal arm
The other end be connected with the dipper arm, the telescopic arm is connected with the dipper arm, the shovel
Bucket component is arranged on the telescopic arm, and the telescopic arm can be relative to the dipper arm along straight
Line stretches out or retracts.
Further, telescopic oil cylinder, the cylinder rod of the telescopic oil cylinder are provided with inside the dipper arm
It is connected with the telescopic arm, to drive the telescopic arm to stretch out or retract.
Further, the principal arm include swing arm and transition segment, one end of the swing arm with it is described
Gantry base is connected, and the other end of the swing arm be connected with the transition segment, the transition segment and
The dipper arm connection.
Further, it is provided with first also including transition segment pitching oil cylinder, in the middle part of the swing arm convex
The portion of rising, one end of the transition segment pitching oil cylinder is connected on first lug boss, the other end
It is connected on the transition segment, to drive the transition segment to be rotated relative to the swing arm.
Further, it is described also including dipper revolving bed, bucket arm cylinder and dipper angling cylinder
One end of dipper revolving bed is connected by the dipper angling cylinder with the transition segment, the bucket
The other end of bar revolving bed is connected with the dipper arm, and it is convex to be provided with second in the middle part of the dipper arm
The portion of rising, one end of the bucket arm cylinder is connected on second lug boss, the bucket arm cylinder
The other end be connected on the dipper revolving bed.
Further, the bucket assembly includes scraper bowl, and the back side of the scraper bowl is provided with fixed part,
The fixed part is provided with can be accommodated by the groove of lift part.
Further, guide rail is provided between the dipper arm and the telescopic arm, so that described stretch
Contracting arm stretches out or retracts along the guide rail.
Further, also including swing arm revolving bed, one end and the machine of the swing arm revolving bed
Frame base is hinged by expanding Assembly of pin, the other end and the swing arm of the swing arm revolving bed
It is hinged by expanding Assembly of pin.
Further, also including boom cylinder, one end of the boom cylinder is hinged on described moving
On revolution of arm seat, the other end is hinged on the swing arm, to drive the swing arm around the swing arm
Revolving bed is rotated.
To achieve the above object, present invention also offers a kind of construction of underground tunnel equipment, including
Above-mentioned digging arm.
Based on above-mentioned technical proposal, the present invention sets up telescopic arm by dipper arm so that when
When telescopic arm straight line stretches out, the entire length of digging arm increases, and digging arm front can be deep into
Farther place is excavated, and improves digging efficiency;Simultaneously when telescopic arm is retracted, excavate
The entire length of arm does not change, and will not take more spaces.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the application
A part, schematic description and description of the invention is used to explain the present invention, not structure
Into inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of digging arm one embodiment of the present invention.
In figure:1- gantry bases, 2- swing arm revolving beds, 3- boom cylinders, 4- swing arms, 5- transition
Section, 6- dipper angling cylinders, 7- dipper revolving beds, 8- bucket arm cylinders, 9- transition segment pitching oil cylinders,
10- dipper arms, 11- telescopic arms, 12- dump rams, 13- connecting rods, 14- scraper bowls, 15- expansion pins
Shaft assembly, 16- fixed parts.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in embodiment is carried out
Clearly and completely describe.Obviously, described embodiment is only a real part of the invention
Example is applied, rather than whole embodiments.Based on embodiments of the invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to
The scope of protection of the invention.
In the description of the invention, it is to be understood that term " " center ", " transverse direction ",
" longitudinal direction ", "front", "rear", "left", "right", " on ", it is D score, " perpendicular
Directly ", the orientation of instruction such as " level ", " top ", " bottom ", " interior ", " outward " or
Position relationship is, based on orientation shown in the drawings or position relationship, to be for only for ease of and describe this hair
Bright and simplified description, must have specific rather than the device or element for indicating or implying meaning
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to the scope of the present invention
Limitation.
During construction of underground tunnel, excavator has that digging efficiency is not high, invention
People has found the reason for existing digging installation digging efficiency is not high by observing for a long time, groping and analyzing
The length for essentially consisting in digging arm is shorter, but if simply simply increasing the length of digging arm,
Many other problemses can be brought again, such as, when digging side soil or side trench, digging more long
Pick arm can be subject to that working space is narrow and small is limited, and excavation difficulty is big;When digging arm withdraws, take
Space is big etc..
Analyzed based on more than, inventor has invented a kind of digging arm, as shown in figure 1, the excavation
Arm includes principal arm, dipper arm 10, telescopic arm 11 and bucket assembly, wherein the one of the principal arm
End is connected with gantry base 1, and the other end of the principal arm is connected with the dipper arm 10, described
Telescopic arm 11 is connected with the dipper arm 10, and the bucket assembly is arranged on the telescopic arm 11
On, the telescopic arm 11 can stretch out or retract relative to the dipper arm 10 along straight line.
Telescopic arm is set up by dipper arm so that when telescopic arm straight line stretches out, digging arm
Entire length increase, digging arm front can be deep into farther place and be excavated, and improve
Digging efficiency;Simultaneously when telescopic arm is retracted, the entire length of digging arm does not change, will not
Take more spaces.
In addition, telescopic arm 11 stretches out or retracts along straight line can avoid because horizontal space is limited
And the situation that cannot normally stretch out or retract, as long as the front of dipper arm 10 has sufficient length,
Telescopic arm 11 can normally stretch out, without being limited by other director spaces are limited.
Can have more flexible for the specific attachment structure between telescopic arm 11 and dipper arm 10
Selection, such as can be attached and drive using oil cylinder, it would however also be possible to employ motor or its
His actuating unit.In one embodiment, telescopic oil cylinder is provided with inside the dipper arm 10, institute
The cylinder rod for stating telescopic oil cylinder is connected with the telescopic arm 11, to drive the telescopic arm 11 to stretch out
Or retract.So cause that telescopic arm 11 has greater flexibility, can adjust according to actual needs
The extension elongation of telescopic arm 11, meets the demand of different operating modes.
The principal arm includes swing arm 4 and transition segment 5, one end of the swing arm 4 and the frame
Base 1 is connected, and the other end of the swing arm 4 is connected with the transition segment 5, the transition segment
5 are connected with the dipper arm 10.Transition segment 5 increased the overall flexibility of digging arm.
Digging arm can also include transition segment pitching oil cylinder 9, and the middle part of the swing arm 4 is provided with the
One lug boss, one end of the transition segment pitching oil cylinder 9 is connected on first lug boss,
The other end is connected on the transition segment 5, to drive the transition segment 5 relative to the swing arm
4 rotate.Transition segment pitching oil cylinder 9 can be such that transition segment 5 is rotated relative to swing arm 4, increase
The free degree of swing arm 4.
Wherein, transition segment pitching oil cylinder 9 is hinged on first lug boss at the middle part of swing arm 4,
The consideration of oil cylinder effective travel is mainly based upon, can so reduce transition segment pitching oil cylinder 9
Volume, the weight of mitigation transition segment pitching oil cylinder 9, and then mitigate the overall weight of digging arm,
Increase flexibility.
Further, digging arm can also include dipper revolving bed 7, bucket arm cylinder 8 and dipper
Angling cylinder 6, one end of the dipper revolving bed 7 passes through the dipper angling cylinder 6 and institute
State transition segment 5 to connect, the other end of the dipper revolving bed 7 is connected with the dipper arm 10,
The middle part of the dipper arm 10 is provided with the second lug boss, and one end of the bucket arm cylinder 8 is connected to
On second lug boss, the other end of the bucket arm cylinder 8 is connected to the dipper revolving bed
On 7.
Wherein, bucket arm cylinder 8 is hinged on second lug boss at the middle part of dipper arm 10,
The consideration of oil cylinder effective travel is mainly based upon, can so reduce the volume of bucket arm cylinder 8,
The weight of mitigation bucket arm cylinder 8, and then mitigate the overall weight of digging arm, increase flexibility.
In addition, dipper angling cylinder 6 can be connected to dipper revolving bed by expanding Assembly of pin
On 7, expansion Assembly of pin includes orthogonal two bearing pins, two bearing pins respectively with dipper
Angling cylinder 6 and dipper revolving bed 7 are hinged, so that dipper arm 10 passes through dipper revolving bed
7 and the collective effect of dipper angling cylinder 6 realize the revolution of 180 degree.
As shown in figure 1, the bucket assembly includes scraper bowl 14, the back side of the scraper bowl 14 sets
There is fixed part 16, the fixed part 16 is provided with can be accommodated by the groove of lift part.Wherein
Can be reinforcing bar grid by lift part, hanger is set compared on scraper bowl 14, then pass through again
Steel wire rope is carried to grid, transported, the mode of frame, and this back in scraper bowl 14 is set to be had
The scheme of the fixed part of groove, can more smoothly be carried to grid, be transported, frame.
In addition, the bucket assembly also includes dump ram 12 and connecting rod 13, the tipping bucket oil
One end of cylinder 12 is hinged on the telescopic arm 11, and the other end of the dump ram 12 passes through
The connecting rod 13 is connected with the scraper bowl 14, to control the action of the scraper bowl 14.
In order to the process that extends and retracts to telescopic arm 11 is oriented to, the He of dipper arm 10
Be provided with guide rail between the telescopic arm 11 so that the telescopic arm 11 stretched out along the guide rail or
Retract, it is to avoid telescopic arm 11 stretch out track occur it is crooked.
Digging arm can also include swing arm revolving bed 2, one end of the swing arm revolving bed 2 and institute
State gantry base 1 and be hinged by expanding Assembly of pin 15, the other end of the swing arm revolving bed 2
It is hinged by expanding Assembly of pin 15 with the swing arm 4.
Between gantry base 1 and swing arm revolving bed 2, swing arm revolving bed 2 and boom cylinder 3 it
Between, between swing arm revolving bed 2 and swing arm 4, the first lug boss and transition segment pitching oil cylinder 9 it
Between, can be between swing arm 4 and transition segment 5 and between transition segment 5 and dipper revolving bed 7
It is hinged using expansion Assembly of pin 15.The two ends for expanding Assembly of pin 15 are provided with fluting cone
Shape end cap, centre bolt and nut are connected, and expansion bearing pin is after installation is complete between axis hole
Interference fit is always, the gap of each inter-module can be effectively eliminated, the play of inter-module is prevented,
Strengthen the flexibility of operation.
In addition, digging arm also includes boom cylinder 3, one end of the boom cylinder 3 is hinged on
On the swing arm revolving bed 2, the other end is hinged on the swing arm 4, to drive the swing arm
4 rotate around the swing arm revolving bed 2.
Based on the digging arm in various embodiments above, the present invention also proposes a kind of construction of underground tunnel
Equipment, including above-mentioned digging arm.
Below to the work of digging arm of the present invention and one embodiment of construction of underground tunnel equipment
Process is illustrated:
As shown in figure 1, the digging arm by gantry base 1, swing arm revolving bed 2, boom cylinder 3,
Swing arm 4, transition segment 5, dipper angling cylinder 6, dipper revolving bed 7, bucket arm cylinder 8, mistake
Cross section pitching oil cylinder 9, dipper arm 10, telescopic arm 11, dump ram 12, connecting rod 13, shovel
Bucket 14 and expansion Assembly of pin 15 are constituted.In digging operation, boom cylinder 3, transition segment
Pitching cylinder 9 and dump ram 12 link, and are capable of achieving data mining duty;Meanwhile, in order to realize transverse direction
The excavation of groove, can control the position of dipper angling cylinder 6, to adjust dipper arm 10 in horizontal stroke
To the position in space;When needing to lift reinforcing bar grid or large range of operation, can control
Telescopic oil cylinder inside dipper arm 10 processed, to realize the flexible of telescopic arm 11, final adjustment shovel
The change in location of bucket 14.
By the explanation to digging arm of the present invention and multiple embodiments of construction of underground tunnel equipment,
It can be seen that digging arm of the present invention and construction of underground tunnel apparatus embodiments at least have following one kind
Or various advantages:
1st, digging arm carry Telescopic, flexible structure, be capable of achieving dig material, charging, walking,
The functions such as turning, groove milling, punching, auxiliary whitewashing, mounting assist support;
2nd, full face tunneling is capable of achieving, in the case where equipment is not moved, on 6 × 6 meters of ground
In iron tunnel, can more neatly realize native full face side, upper necromancer, lateral trench,
Lateral grooves, reinforcing bar grid such as lift at the function;
3rd, the gap of inter-module can be effectively eliminated, strengthens the flexibility of operation;
4th, digging arm can realize 180 ° of revolutions.
Finally it should be noted that:The above embodiments are merely illustrative of the technical solutions of the present invention and
It is non-that it is limited;It is affiliated although being described in detail to the present invention with reference to preferred embodiment
The those of ordinary skill in field should be understood:Specific embodiment of the invention can still be entered
Row modification carries out equivalent to some technical characteristics;Without deviating from technical solution of the present invention
Spirit, it all should cover in the middle of claimed technical scheme scope of the invention.
Claims (10)
1. a kind of digging arm, it is characterised in that including principal arm, dipper arm (10), flexible
Arm (11) and bucket assembly, wherein one end of the principal arm is connected with gantry base (1), institute
The other end for stating principal arm is connected with the dipper arm (10), the telescopic arm (11) with it is described
Dipper arm (10) is connected, and the bucket assembly is arranged on the telescopic arm (11), described
Telescopic arm (11) can stretch out or retract relative to the dipper arm (10) along straight line.
2. digging arm according to claim 1, it is characterised in that the dipper arm (10)
Inside is provided with telescopic oil cylinder, and the cylinder rod of the telescopic oil cylinder is connected with the telescopic arm (11),
To drive the telescopic arm (11) to stretch out or retract.
3. digging arm according to claim 1 and 2, it is characterised in that the principal arm
Including swing arm (4) and transition segment (5), one end of the swing arm (4) and the gantry base
(1) connect, the other end of the swing arm (4) is connected with the transition segment (5), the mistake
Section (5) is crossed to be connected with the dipper arm (10).
4. digging arm according to claim 3, it is characterised in that also including transition segment
Pitching oil cylinder (9), the first lug boss, the transition segment are provided with the middle part of the swing arm (4)
One end of pitching oil cylinder (9) is connected on first lug boss, and the other end is connected to the mistake
Cross on section (5), to drive the transition segment (5) to be rotated relative to the swing arm (4).
5. digging arm according to claim 3, it is characterised in that also returned including dipper
Swivel base (7), bucket arm cylinder (8) and dipper angling cylinder (6), the dipper revolving bed (7)
One end be connected with the transition segment (5) by the dipper angling cylinder (6), the bucket
The other end of bar revolving bed (7) is connected with the dipper arm (10), the dipper arm (10)
Middle part be provided with the second lug boss, it is convex that one end of the bucket arm cylinder (8) is connected to described second
In the portion of rising, the other end of the bucket arm cylinder (8) is connected on the dipper revolving bed (7).
6. digging arm according to claim 1, it is characterised in that the bucket assembly
Including scraper bowl (14), the back side of the scraper bowl (14) is provided with fixed part (16), the support
Act portion (16) is provided with and can accommodate by the groove of lift part.
7. digging arm according to claim 1, it is characterised in that the dipper arm (10)
Guide rail is provided with and the telescopic arm (11) between, so that the telescopic arm (11) is led along described
Rail stretches out or retracts.
8. digging arm according to claim 3, it is characterised in that also returned including swing arm
Swivel base (2), one end of the swing arm revolving bed (2) is with the gantry base (1) by swollen
Expansion pin shaft assembly (15) is hinged, the other end and the swing arm (4) of the swing arm revolving bed (2)
It is hinged by expanding Assembly of pin (15).
9. digging arm according to claim 8, it is characterised in that also including swing arm oil
Cylinder (3), one end of the boom cylinder (3) is hinged on the swing arm revolving bed (2),
The other end is hinged on the swing arm (4), to drive the swing arm (4) to be returned around the swing arm
Swivel base (2) is rotated.
10. a kind of construction of underground tunnel equipment, it is characterised in that including such as claim 1~9
Digging arm described in any one.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510790260.8A CN106703097A (en) | 2015-11-17 | 2015-11-17 | Digging arm and underground tunnel construction equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510790260.8A CN106703097A (en) | 2015-11-17 | 2015-11-17 | Digging arm and underground tunnel construction equipment |
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CN106703097A true CN106703097A (en) | 2017-05-24 |
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ID=58932574
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CN201510790260.8A Pending CN106703097A (en) | 2015-11-17 | 2015-11-17 | Digging arm and underground tunnel construction equipment |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107905274A (en) * | 2017-12-08 | 2018-04-13 | 徐工集团工程机械有限公司 | A kind of telescopic shoveling arm and Multifunctional rescue vehicle |
CN113089743A (en) * | 2021-04-22 | 2021-07-09 | 中汽旺磐(珠海)机床有限公司 | Multifunctional telescopic arm for engineering truck |
CN113439142A (en) * | 2019-02-14 | 2021-09-24 | Ihc荷兰Ie有限公司 | Counter-shoveled dredger with counterweight |
CN114892741A (en) * | 2022-05-30 | 2022-08-12 | 贵州詹阳动力重工有限公司 | Movable arm self-locking mechanism and application thereof on loading excavator |
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KR200176043Y1 (en) * | 1999-10-28 | 2000-03-15 | 김종만 | A excavator that makes it lengh adjustble |
CN203066130U (en) * | 2012-12-05 | 2013-07-17 | 山河智能装备股份有限公司 | Extensible arm excavator |
CN204080888U (en) * | 2014-08-09 | 2015-01-07 | 中建七局第一建筑有限公司 | Vertical telescopic digging apparatus |
CN204312069U (en) * | 2014-10-31 | 2015-05-06 | 徐州徐工铁路装备有限公司 | Motion arm and subterranean tunnel excavating equipment |
CN205116243U (en) * | 2015-11-17 | 2016-03-30 | 徐州徐工铁路装备有限公司 | Digging arm and secret tunnel construction equipment |
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2015
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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KR200176043Y1 (en) * | 1999-10-28 | 2000-03-15 | 김종만 | A excavator that makes it lengh adjustble |
CN203066130U (en) * | 2012-12-05 | 2013-07-17 | 山河智能装备股份有限公司 | Extensible arm excavator |
CN204080888U (en) * | 2014-08-09 | 2015-01-07 | 中建七局第一建筑有限公司 | Vertical telescopic digging apparatus |
CN204312069U (en) * | 2014-10-31 | 2015-05-06 | 徐州徐工铁路装备有限公司 | Motion arm and subterranean tunnel excavating equipment |
CN205116243U (en) * | 2015-11-17 | 2016-03-30 | 徐州徐工铁路装备有限公司 | Digging arm and secret tunnel construction equipment |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107905274A (en) * | 2017-12-08 | 2018-04-13 | 徐工集团工程机械有限公司 | A kind of telescopic shoveling arm and Multifunctional rescue vehicle |
CN107905274B (en) * | 2017-12-08 | 2023-06-02 | 江苏徐工工程机械研究院有限公司 | Telescopic excavating arm and multifunctional rescue vehicle |
CN113439142A (en) * | 2019-02-14 | 2021-09-24 | Ihc荷兰Ie有限公司 | Counter-shoveled dredger with counterweight |
CN113439142B (en) * | 2019-02-14 | 2023-10-20 | Ihc荷兰Ie有限公司 | Counter-weight backhoe dredger |
CN113089743A (en) * | 2021-04-22 | 2021-07-09 | 中汽旺磐(珠海)机床有限公司 | Multifunctional telescopic arm for engineering truck |
CN114892741A (en) * | 2022-05-30 | 2022-08-12 | 贵州詹阳动力重工有限公司 | Movable arm self-locking mechanism and application thereof on loading excavator |
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