CN106703097A - Digging arm and underground tunnel construction equipment - Google Patents

Digging arm and underground tunnel construction equipment Download PDF

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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
Authority
CN
China
Prior art keywords
arm
dipper
digging
telescopic
swing arm
Prior art date
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.)
Pending
Application number
CN201510790260.8A
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Chinese (zh)
Inventor
祁玉龙
刘玉川
韩竹青
王川川
鲁振
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xuzhou XCMG Railway Equipment Co Ltd
Original Assignee
Xuzhou XCMG Railway Equipment Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Xuzhou XCMG Railway Equipment Co Ltd filed Critical Xuzhou XCMG Railway Equipment Co Ltd
Priority to CN201510790260.8A priority Critical patent/CN106703097A/en
Publication of CN106703097A publication Critical patent/CN106703097A/en
Pending legal-status Critical Current

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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

Digging arm and construction of underground tunnel equipment
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.
CN201510790260.8A 2015-11-17 2015-11-17 Digging arm and underground tunnel construction equipment Pending CN106703097A (en)

Priority Applications (1)

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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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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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)

* Cited by examiner, † Cited by third party
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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