CN104210969B - Shears and dynamic compaction machinery - Google Patents

Shears and dynamic compaction machinery Download PDF

Info

Publication number
CN104210969B
CN104210969B CN201310215958.8A CN201310215958A CN104210969B CN 104210969 B CN104210969 B CN 104210969B CN 201310215958 A CN201310215958 A CN 201310215958A CN 104210969 B CN104210969 B CN 104210969B
Authority
CN
China
Prior art keywords
shears
support
connector
supporting leg
hook
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.)
Active
Application number
CN201310215958.8A
Other languages
Chinese (zh)
Other versions
CN104210969A (en
Inventor
张中华
周君
赵波
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.)
Construction Machinery Branch of XCMG
Original Assignee
Construction Machinery Branch of XCMG
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 Construction Machinery Branch of XCMG filed Critical Construction Machinery Branch of XCMG
Priority to CN201310215958.8A priority Critical patent/CN104210969B/en
Publication of CN104210969A publication Critical patent/CN104210969A/en
Application granted granted Critical
Publication of CN104210969B publication Critical patent/CN104210969B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention discloses a kind of Shears and the dynamic compaction machinery of this Shears is set, relate to technical field of engineering machinery, solve poor, the middle large-tonnage dynamic compaction machinery of prior art existence and stability especially Shears back leg be the technical matters that the middle large-tonnage dynamic compaction machinery of box-structure or pipe structure exists Shears and is not easy to transport.This Shears comprises underframe, support, connector and supporting leg, and underframe is flexibly connected with support; The first end of connector is flexibly connected with support, and connects the active connection place of physical efficiency around its first end and support relative to holder pivots; Second end of connector in an open position is detachably fixedly connected with supporting leg; The second end being in the connector of folding position is detachably fixedly connected with support or underframe, and the middle part being in the connector of folding position is fixedly connected with supporting leg.This dynamic compaction machinery comprises Shears provided by the invention and shipping platform.Invention increases transport convenience and the stability of Shears.

Description

Shears and dynamic compaction machinery
Technical field
The present invention relates to technical field of engineering machinery, be specifically related to a kind of Shears and the dynamic compaction machinery of this Shears is set.
Background technology
Crawler belt type dynamic compaction machine is a kind of truss-type cantilever crane structure dynamic compaction machinery adopting caterpillar band traveling chassis.Dynamic compactor arm frame is a kind of for hammer ram being worked the truss structure being raised to certain altitude and amplitude.
Dynamic compaction machinery needs Shears pull-up by installing condition to mode of operation.Shears connects luffing assembly pulley, dynamic compactor arm frame moved to a kind of device of operating angle.Luffing assembly pulley is the device for connecting Shears and dynamic compactor arm frame.Existing Shears height is low, and the moment provided is little, and the back leg of Shears is made up of plate.The Shears of this structure operationally, due to rocking of dynamic compaction machinery complete machine, causes Shears back leg to rock larger, poor stability.If add Shears height, Shears back leg still uses arm-tie, and during strong rammer work, the meeting that Shears back leg rocks is more serious.Existing Shears, luffing assembly pulley separates, and during such strong rammer work, each parts rock all larger.
At least there is following technical matters in prior art:
On middle large-tonnage dynamic compaction machinery, in order to reduce variable-amplitude steel wire rope length and hydraulic pressure cost, Shears is improved the object having reached arm, but along with Shears height improves, after existing Shears as shown in Fig. 1 ~ Fig. 2, the stability of arm-tie 92 does not meet the demands, and Shears 93 is what to separate with luffing assembly pulley, during such strong rammer work, Shears 93 and luffing assembly pulley rock just larger, strong rammer operation is a kind of high frequency operation, larger rocking can damage each parts and rope service-life, and this obviously can not meet the needs of user.
Summary of the invention
The object of the invention is the dynamic compaction machinery proposing a kind of Shears and this Shears is set, in solving in prior art large-tonnage dynamic compaction machinery especially Shears back leg be the technical matters that the middle large-tonnage dynamic compaction machinery of box-structure or pipe structure exists Shears and is not easy to transport.In addition, optimal technical scheme provided by the invention also has good stability, not easily to shake the advantage of phenomenon.
For achieving the above object, the invention provides following technical scheme:
The Shears that the embodiment of the present invention provides, comprises underframe, support, connector and supporting leg, wherein:
Described underframe is flexibly connected with described support, and described support can rotate relative to described underframe around the active connection place with described underframe;
Described connector comprises first end and the second end, and the first end of described connector is flexibly connected with described support, and described connection physical efficiency around the active connection place of its first end and described support relative to described holder pivots;
Second end of described connector in an open position is detachably fixedly connected with described supporting leg;
The second end being in the described connector of folding position is detachably fixedly connected with described support or described underframe, and the middle part being in the described connector of folding position is fixedly connected with described supporting leg.
In one preferably or alternatively embodiment, described Shears is also fixedly connected with lower luffing assembly pulley.
In one preferably or alternatively embodiment, described lower luffing assembly pulley is fixedly connected with on the bracket.
In one preferably or alternatively embodiment, described Shears is also detachably fixedly connected with luffing assembly pulley.
In one preferably or alternatively embodiment, described upper luffing assembly pulley is detachably fixedly connected with on the bracket by Detachable connection structure.
In one preferably or alternatively embodiment, described Detachable connection structure comprises the first hook-shaped support, the second hook-shaped support, the first mounting rod and the second mounting rod, wherein:
Described first hook-shaped support and described second hook-shaped support are all fixedly connected with on the bracket, and the height and position of described first hook-shaped support is higher than described second hook-shaped support;
Described first mounting rod and described second mounting rod are installed on the pulley yoke of described upper luffing assembly pulley respectively;
Described first mounting rod is embedded in described first hook-shaped support;
The end of described second hook-shaped support is provided with lock hole and stop pin, and described stop pin embeds described lock hole and abuts against with the root of described second hook-shaped support, and described second mounting rod is embedded between described second hook-shaped support and described stop pin.
In one preferably or alternatively embodiment, described flexible connection is pinned connection, and described support comprises the relative support tube in two positions, and described connector and described supporting leg include the relative pipe fitting in two positions separately, wherein:
In two pipe fittings of described connector, wherein wherein one end of a pipe fitting is connected with a wherein described support tube, and the wherein other end of this root pipe fitting is connected with a wherein pipe fitting of described supporting leg;
In two pipe fittings of described connector, wherein wherein one end of another root pipe fitting is connected with wherein support tube described in another root, and the wherein other end of this root pipe fitting is connected with wherein another root pipe fitting of described supporting leg.
In one preferably or alternatively embodiment, one end that described support deviates from described underframe is also fixedly connected with ward off rope support.
The dynamic compaction machinery that the embodiment of the present invention provides, comprises Shears and shipping platform that the arbitrary technical scheme of the present invention provides, wherein:
The underframe of described Shears and the bottom of described supporting leg are all connected with described shipping platform.
In one preferably or alternatively embodiment, the bottom of described supporting leg is provided with at least two out-of-alignment connecting bores, wherein:
Described shipping platform is provided with at least two knock holees, each described knock hole is coaxial with a described connecting bore;
Described supporting leg is connected with described shipping platform by the bearing pin running through described connecting bore and knock hole.
Based on technique scheme, the embodiment of the present invention at least can produce following technique effect:
In the Shears that the embodiment of the present invention provides, connector in an open position and supporting leg together form the back leg (or claim: back stay) of Shears, it instead of rear arm-tie or the back leg of existing Shears, connector can be moved to folding position from open position when transporting this Shears, thus Shears is adjusted to folded state to reduce the height of Shears from open mode, make Shears not superelevation, in addition, in optimal technical scheme provided by the invention, utilize tubing as back stay, enhance the stability of Shears, and by the lower luffing assembly pulley of luffing assembly pulley directly and Shears be fixed together to decrease and rock, so in solving in prior art large-tonnage dynamic compaction machinery especially Shears back leg be the technical matters that the middle large-tonnage dynamic compaction machinery of box-structure or pipe structure exists Shears and is not easy to transport, also there is good stability, the advantage of the phenomenon that not easily shakes.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
The schematic diagram that be provided with the dynamic compaction machinery of Shears of Fig. 1 for providing in prior art;
Fig. 2 is the close-up schematic view of Shears shown in Fig. 1;
The Shears that Fig. 3 provides for the embodiment of the present invention is changed to the schematic diagram of the spatial structure of folded state from open mode;
The plan sketch being in the Shears of open mode that Fig. 4 provides for the embodiment of the present invention;
The plan sketch being in the Shears of folded state that Fig. 5 provides for the embodiment of the present invention;
Fig. 6 is the close-up schematic view of Shears shown in Fig. 5;
The schematic diagram being in annexation between the Shears of open mode and shipping platform that Fig. 7 provides for the embodiment of the present invention;
What Fig. 8 provided for the embodiment of the present invention is in folded state and is in the schematic diagram of the spatial structure of Shears when not installing luffing assembly pulley of open mode;
What Fig. 9 provided for the embodiment of the present invention is in folded state and is in the plan sketch of Shears when not installing luffing assembly pulley of open mode;
Figure 10 is the schematic diagram of the spatial structure when Shears being in folded state and being in open mode that the embodiment of the present invention provides is provided with upper luffing assembly pulley;
Figure 11 is the plan sketch when Shears being in folded state and being in open mode that the embodiment of the present invention provides is provided with upper luffing assembly pulley;
The process schematic that the upper luffing assembly pulley that the Shears that Figure 12 provides for the embodiment of the present invention is installed is lifted;
Figure 13 to hang oneself a schematic diagram of the process loading onto luffing assembly pulley for the dynamic compaction machinery provided in the embodiment of the present invention;
Figure 14 to hang oneself another schematic diagram of the process loading onto luffing assembly pulley for the dynamic compaction machinery provided in the embodiment of the present invention;
Reference numeral: 1, underframe; 2, support; 20, support tube; 21, upper web member; 22, lower web member; 3, connector; 4, supporting leg; 40, circular hole; 41, slotted hole; 51, lower luffing assembly pulley; 52, upper luffing assembly pulley; 61, the first hook-shaped support; 62, the second hook-shaped support; 63, the first mounting rod; 64, the second mounting rod; 65, stop pin; 7, ward off rope support; 8, shipping platform; 91, turntable; 92, arm-tie after Shears; 93, Shears; 94, arm-tie; 95, variable-amplitude steel wire rope; 96, drag-line.
Detailed description of the invention
Below by accompanying drawing Fig. 3 ~ Figure 14 and the mode enumerating embodiment more of the present invention, technical scheme of the present invention (comprising optimal technical scheme) is described in further detail.It should be noted that: any technical characteristic in the present embodiment, any technical scheme is all one or more in the technical characteristic of plurality of optional or optional technical scheme, cannot exhaustive all alternative technical characteristics of the present invention and alternative technical scheme in order to describe succinct to need in presents, also the embodiment being not easy to each technical characteristic all emphasizes that it is one of optional numerous embodiments, so those skilled in the art should know: any technical characteristic in the present embodiment and any technical scheme all do not limit the scope of the invention, protection scope of the present invention should comprise those skilled in the art and not pay the thinkable any alternate embodiments of creative work.
Embodiments provide and be a kind ofly convenient to transport and the Shears of good stability and arrange the dynamic compaction machinery of this Shears.
Below in conjunction with the elaboration that Fig. 3 ~ Figure 14 carries out specifically to technical scheme provided by the invention, the technical scheme of arbitrary technological means provided by the invention being carried out replacing or two or more technological means provided by the invention being carried out mutually combining and obtain all should within protection scope of the present invention.
As shown in Fig. 3 ~ Figure 14, the Shears that the embodiment of the present invention provides, comprises underframe 1, support 2, connector 3 and supporting leg 4, wherein:
Underframe 1 is flexibly connected with support 2, and support 2 can rotate relative to underframe 1 around the active connection place with underframe 1.
Connector 3 comprises first end and the second end, and the first end of connector 3 is flexibly connected with support 2, and connector 3 can rotate relative to support 2 around the active connection place of its first end and support 2.
Second end of connector 3 in an open position is detachably fixedly connected with supporting leg 4.
The second end being in the connector 3 of folding position is detachably fixedly connected with support 2 or underframe 1, and the middle part being in the connector 3 of folding position is fixedly connected with supporting leg 4.
Fig. 8 ~ Figure 11 illustrates the two states of Shears provided by the invention simultaneously.In the Shears that the embodiment of the present invention provides, connector in an open position 3 and both supporting legs 4 together form the back leg (or claim: back stay) of Shears, it instead of rear arm-tie or the back leg of existing Shears, connector 3 can be moved to folding position from open position when transporting by Shears, Shears is carried out folding with the height reducing Shears, make Shears not superelevation, in addition, in optimal technical scheme provided by the invention, utilize tubing as back stay, enhance the stability of Shears, and by the lower luffing assembly pulley 51 of luffing assembly pulley directly and Shears be fixed together to decrease and rock.
In one preferably or alternatively embodiment, Shears is also fixedly connected with lower luffing assembly pulley 51.Lower luffing assembly pulley 51 is preferably fixedly connected with (can adopt pinned connection or welding) on support 2.Lower luffing assembly pulley 51 is fixed on Shears can avoid rocking of lower luffing assembly pulley 51.
In one preferably or alternatively embodiment, Shears is also detachably fixedly connected with luffing assembly pulley 52.Upper luffing assembly pulley 52 is detachably fixedly connected on support 2 preferably by Detachable connection structure.
Upper luffing assembly pulley 52 can be installed, is detachably fixed on Shears when carrier's cabinet frame, otherwise, upper luffing assembly pulley 52 can be reinstalled, is fixed on principal arm when using luffing assembly pulley 52 to carry out luffing operation.
In one preferably or alternatively embodiment, Detachable connection structure comprises the first hook-shaped support 61, second hook-shaped support 62, first mounting rod 633 and the second mounting rod 64, wherein:
First hook-shaped support 61 and the second hook-shaped support 62 are all fixedly connected on support 2, be preferably on support 2 and be fixedly connected with web member 21 and lower web member 22, first hook-shaped support 61 fixing (being preferably welding) is on upper web member 21, second hook-shaped support 62 fixing (being preferably welding) is on lower web member 22, and the height and position of the first hook-shaped support 61 is higher than the second hook-shaped support 62.First mounting rod 633 and the second mounting rod 64 are installed on the pulley yoke of luffing assembly pulley 52 respectively.First mounting rod 633 is embedded in the first hook-shaped support 61.
The end of the second hook-shaped support 62 is provided with lock hole and stop pin 65, and stop pin 65 embeds lock hole and abuts against with the root of the second hook-shaped support 62, and the second mounting rod 64 is embedded between the second hook-shaped support 62 and stop pin 65.
Second hook-shaped support 62 and stop pin 65 define bearing pin clamp, the second mounting rod 64 can be stuck in the second hook-shaped support 62.When upper luffing assembly pulley 52 will be removed from support 2, need first to pull up stop pin 65, after the second mounting rod 64 is pulled out in the second hook-shaped support 62, then from pull-out the first mounting rod 633 in the first hook-shaped support 61.
In one preferably or alternatively embodiment, be flexibly connected and be preferably pinned connection.Support 2 comprises the relative support tube 20 in two positions, and connector 3 and supporting leg 4 include the relative pipe fitting in two positions separately, wherein:
In two pipe fittings of connector 3, wherein wherein one end of a pipe fitting is connected with a wherein support tube 20, and the wherein other end of this root pipe fitting is connected with a wherein pipe fitting of supporting leg 4.
In two pipe fittings of connector 3, wherein wherein one end of another root pipe fitting is connected with wherein another root support tube 20, and the wherein other end of this root pipe fitting is connected with wherein another root pipe fitting of supporting leg 4.
Pipe fitting has good stability relative to the plate used in prior art, the advantage that reliability is high.
In one preferably or alternatively embodiment, one end that support 2 deviates from underframe 1 is also fixedly connected with ward off rope support 7.Steel rope from the elevator pull-out that hoists can separate with the steel rope pulled out from luffing elevator by ward off rope support 7, avoids interfering with each other between steel rope.
As shown in Fig. 3 ~ Figure 14, the dynamic compaction machinery that the embodiment of the present invention provides, comprises Shears and shipping platform 8 that the arbitrary technical scheme of the present invention provides, wherein:
The underframe 1 of Shears and the bottom of supporting leg 4 are all connected with shipping platform 8, and this connection can be pinned connection, also for being fixedly connected with, can be preferably pinned connection.
When the underframe 1 of Shears and the bottom of supporting leg 4 are all connected with shipping platform 8, no matter connector 3 is in an open position or folding position Shears all can reliably be positioned on shipping platform 8.
In one preferably or alternatively embodiment, the bottom of supporting leg 4 is provided with at least two out-of-alignment connecting bores, and the bottom being preferably supporting leg 4 is provided with two connecting bores, and one of them connecting bore is circular hole 40, and another is slotted hole 41, wherein:
Shipping platform 8 is provided with at least two knock holees, each knock hole is coaxial with a connecting bore.
Supporting leg 4 is connected with shipping platform 8 by the bearing pin running through connecting bore and knock hole.
When supporting leg 4 is connected on shipping platform 8 by above-mentioned connecting bore and knock hole by bearing pin, the point of connection of supporting leg 4 has two at least, so can not swing on shipping platform 8.
Arbitrary technical scheme disclosed in the invention described above unless otherwise stated, if the number range of it discloses, so disclosed number range is preferred number range, anyly it should be appreciated by those skilled in the art: preferred number range is only the numerical value that in many enforceable numerical value, technique effect is obvious or representative.Because numerical value is more, cannot be exhaustive, so the present invention just discloses component values with casehistory technical scheme of the present invention, and the above-mentioned numerical value enumerated should not form the restriction to the invention protection domain.
If employ the word such as " first ", " second " herein to limit parts, those skilled in the art should know: the use of " first ", " second " is only used to be convenient to describe carry out difference as not having outside Stated otherwise to parts, the implication that above-mentioned word is not special.
Simultaneously, if the invention described above discloses or relate to parts or the framing member of connection fastened to each other, so, unless otherwise stated, be fixedly connected with and can be understood as: can releasably be fixedly connected with (such as using bolt or screw to connect), also can be understood as: to be non-removablely fixedly connected with (such as rivet, weld), certainly, connection fastened to each other also can be replaced by integral type structure (such as use foundry technique is integrally formed create) (obviously cannot adopt except integrally formed technique).
In addition, apply in arbitrary technical scheme disclosed in the invention described above for represent position relationship or shape term unless otherwise stated its implication comprise approximate with it, similar or close state or shape.Arbitrary parts provided by the invention both can be assembled by multiple independent component part, and also can be one of the forming manufacture technics separate part out.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope of request of the present invention protection.

Claims (10)

1. a Shears, is characterized in that, comprises underframe, support, connector and supporting leg, wherein:
Described underframe is flexibly connected with described support, and described support can rotate relative to described underframe around the active connection place with described underframe;
Described connector comprises first end and the second end, the first end of described connector is flexibly connected with described support, and described connector by described flexible connection around the first end of described connector and the active connection place of described support relative to described holder pivots;
Second end of described connector in an open position is detachably fixedly connected with described supporting leg;
The second end being in the described connector of folding position is detachably fixedly connected with described support or described underframe, and the middle part being in the described connector of folding position is fixedly connected with described supporting leg.
2. Shears according to claim 1, is characterized in that, described Shears is also fixedly connected with lower luffing assembly pulley.
3. Shears according to claim 2, is characterized in that, described lower luffing assembly pulley is fixedly connected with on the bracket.
4., according to the arbitrary described Shears of claim 1-3, it is characterized in that, described Shears is also detachably fixedly connected with luffing assembly pulley.
5. Shears according to claim 4, is characterized in that, described upper luffing assembly pulley is detachably fixedly connected with on the bracket by Detachable connection structure.
6. Shears according to claim 5, is characterized in that, described Detachable connection structure comprises the first hook-shaped support, the second hook-shaped support, the first mounting rod and the second mounting rod, wherein:
Described first hook-shaped support and described second hook-shaped support are all fixedly connected with on the bracket, and the height and position of described first hook-shaped support is higher than described second hook-shaped support;
Described first mounting rod and described second mounting rod are installed on the pulley yoke of described upper luffing assembly pulley respectively;
Described first mounting rod is embedded in described first hook-shaped support;
The end of described second hook-shaped support is provided with lock hole and stop pin, and described stop pin embeds described lock hole and abuts against with the root of described second hook-shaped support, and described second mounting rod is embedded between described second hook-shaped support and described stop pin.
7. Shears according to claim 1, is characterized in that, described flexible connection is pinned connection, and described support comprises the relative support tube in two positions, and described connector and described supporting leg include the relative pipe fitting in two positions separately, wherein:
One end of a pipe fitting in two pipe fittings of described connector is connected with a described support tube in two described support tubes, and the other end of this pipe fitting in two of described connector pipe fittings and a pipe fitting in two pipe fittings of described supporting leg are connected;
One end of another root pipe fitting in two pipe fittings of described connector is connected with support tube described in another root in two described support tubes, and the other end of this another root pipe fitting in two of described connector pipe fittings and another root pipe fitting in two pipe fittings of described supporting leg are connected.
8. Shears according to claim 1, is characterized in that, one end that described support deviates from described underframe is also fixedly connected with ward off rope support.
9. a dynamic compaction machinery, is characterized in that, comprises the arbitrary described Shears of claim 1-8 and shipping platform, wherein:
The underframe of described Shears and the bottom of described supporting leg are all connected with described shipping platform.
10. dynamic compaction machinery according to claim 9, is characterized in that, the bottom of described supporting leg is provided with at least two out-of-alignment connecting bores, wherein:
Described shipping platform is provided with at least two knock holees, each described knock hole is coaxial with a described connecting bore;
Described supporting leg is connected with described shipping platform by the bearing pin running through described connecting bore and knock hole.
CN201310215958.8A 2013-06-03 2013-06-03 Shears and dynamic compaction machinery Active CN104210969B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310215958.8A CN104210969B (en) 2013-06-03 2013-06-03 Shears and dynamic compaction machinery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310215958.8A CN104210969B (en) 2013-06-03 2013-06-03 Shears and dynamic compaction machinery

Publications (2)

Publication Number Publication Date
CN104210969A CN104210969A (en) 2014-12-17
CN104210969B true CN104210969B (en) 2016-01-13

Family

ID=52092953

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310215958.8A Active CN104210969B (en) 2013-06-03 2013-06-03 Shears and dynamic compaction machinery

Country Status (1)

Country Link
CN (1) CN104210969B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6260651B2 (en) * 2016-06-30 2018-01-17 コベルコ建機株式会社 Construction machine gantry structure
CN115744676B (en) * 2022-12-14 2023-08-22 浙江三一装备有限公司 Lifting equipment and lifting arm method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2107033A1 (en) * 2008-04-02 2009-10-07 Manitowoc Crane Group France Boom of a tower crane with folding-unfolding mechanism
CN202152260U (en) * 2011-06-28 2012-02-29 三一汽车起重机械有限公司 Engineering plant and propeller strut structure thereof
CN102718156A (en) * 2012-06-29 2012-10-10 三一重工股份有限公司 Crane arm support system and crane
CN203373721U (en) * 2013-06-03 2014-01-01 徐工集团工程机械股份有限公司 Propeller strut and dynamic compactor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3925761B2 (en) * 1999-01-08 2007-06-06 日立建機株式会社 A-type frame of construction machinery

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2107033A1 (en) * 2008-04-02 2009-10-07 Manitowoc Crane Group France Boom of a tower crane with folding-unfolding mechanism
CN202152260U (en) * 2011-06-28 2012-02-29 三一汽车起重机械有限公司 Engineering plant and propeller strut structure thereof
CN102718156A (en) * 2012-06-29 2012-10-10 三一重工股份有限公司 Crane arm support system and crane
CN203373721U (en) * 2013-06-03 2014-01-01 徐工集团工程机械股份有限公司 Propeller strut and dynamic compactor

Also Published As

Publication number Publication date
CN104210969A (en) 2014-12-17

Similar Documents

Publication Publication Date Title
CN201924385U (en) Short bucket rod of excavator
US11319196B2 (en) Intermediate support holder for construction machinery
CN103058070B (en) An introducing beam and a tower crane
CN102897677B (en) Crane fly jib self-assembly and disassembly device and method, as well as crane
CN104210969B (en) Shears and dynamic compaction machinery
CN203373721U (en) Propeller strut and dynamic compactor
CN103663097A (en) Using-state-adjustable lifting appliance
CN204626985U (en) A kind of arm head syndeton and concrete mixer
CN203079589U (en) Launching beam and tower crane
CN203667862U (en) Main body structure of rotary table and rotary table
CN103112786B (en) Auxiliary bracing connection device for carrying arm support
CN103321202B (en) An arm method of boom hoisting, dynamic compaction machinery and dynamic compaction machinery
CN203461730U (en) Positioning device and pulling plate positioning structure applicable to crane
CN103086270B (en) Flexible connecting and fixing structure and equalizing beam
CN202729668U (en) Cross beam, rotary table and crane
CN204958228U (en) Swing pipe device
CN203212248U (en) Double-box type telescopic arm structure
CN208856775U (en) One kind passing through formula oil cylinder of dumper suspender
CN104495644A (en) Crane and crane gooseneck boom thereof
CN103043541B (en) Two box type telescopic arm configuration
CN204625032U (en) Waist rope structure
CN203128037U (en) Flexible connecting and fixing structure and equalizing beam
CN203373728U (en) Lifting device and dynamic compaction machine
CN204384754U (en) A kind of hoisting crane and hoisting crane gooseneck boom thereof
CN205129227U (en) Tower crane jib loading boom combination welding frock

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant