CN201873983U - Dynamic compactor with propeller strut following up amplitude variation of arm support - Google Patents

Dynamic compactor with propeller strut following up amplitude variation of arm support Download PDF

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Publication number
CN201873983U
CN201873983U CN2010206575936U CN201020657593U CN201873983U CN 201873983 U CN201873983 U CN 201873983U CN 2010206575936 U CN2010206575936 U CN 2010206575936U CN 201020657593 U CN201020657593 U CN 201020657593U CN 201873983 U CN201873983 U CN 201873983U
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CN
China
Prior art keywords
shelf
jib
man
swing
servo
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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.)
Expired - Lifetime
Application number
CN2010206575936U
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Chinese (zh)
Inventor
王锡良
屈福政
孙铁兵
刘璐颖
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China Zhonghua Geotechnical Engineering Co Ltd
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China Zhonghua Geotechnical Engineering Co Ltd
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Priority to CN2010206575936U priority Critical patent/CN201873983U/en
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Publication of CN201873983U publication Critical patent/CN201873983U/en
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Abstract

The utility model discloses a dynamic compactor with a propeller strut following up amplitude variation of an arm support, which is characterized in that a follow-up propeller strut is arranged on a turntable of the dynamic compactor; an amplitude-varying pull rod is arranged between an inner side inclined rod and the arm support; a swing-arm mechanism is arranged on the lower parts of the amplitude-varying pull rod and the inner side inclined rod; the swing-arm mechanism consists of a swing-arm support and a telescopic oil cylinder; and the follow-up propeller strut is in linkage connection with the amplitude-varying pull rod through the swing-arm mechanism. A wire rope of a lifting mechanism is connected with a heavy hammer of the dynamic compactor through a pulley at the top end of the follow-up propeller strut and a pulley at the top end of the arm support; and then the number of the wire ropes before and after the top end of the swing-arm support is same. During the process of driving the swing-arm support to vary the amplitude, the amplitude-varying pull rod synchronously drives the follow-up propeller strut to swing through the swing-arm mechanism which is connected with the follow-up propeller strut. The dynamic compactor with the propeller strut following up the amplitude variation of the arm support has the beneficial effects that the follow-up propeller strut follows up the amplitude variation of the arm support, thus the swing-arm support of the dynamic compactor is stressed more reasonably; balance of force stressed on the swing-arm support is furthest realized, the bearing structure of the swing-arm support is improved, the deadweight of the swing-arm support is lightened, the dynamic compaction performance of the swing-arm support and the overall dynamic compactor is improved.

Description

The dynamic compaction machinery of man-like shelf and the servo-actuated of jib luffing
Technical field
The utility model relates to the lifting appliance technical field, is the dynamic compaction machinery of a kind of man-like shelf and the servo-actuated of jib luffing.
Background technology
At present, generally the crawler crane of Shi Yonging (containing dynamic compaction machinery) all has the fixed man-like shelf of certain altitude and special hoisting rope jib lubbing mechanism, carry out the luffing of jib, in amplitude changing process, man-like shelf does not have relative motion in amplitude changing process, jib lubbing mechanism draws, puts the luffing that jib is realized jib independently of one another by changing the luffing rope capacity, and there are not interlock in man-like shelf and jib luffing.In addition, the jib head both had been subjected to the effect of luffing wire rope guarantor to power, be subjected to the hoist effect of power of hoisting rope of multiplying power assembly pulley and head rear end before the portion of hoist rope arm termination again, these active forces to the jib head not only differ in size, and also different with the angle of jib center line.Therefore, generally can't to be implemented under any amplitude the suffered resultant moment of jib to greatest extent be zero to the crawler crane of Shi Yonging (containing dynamic compaction machinery), also just makes jib can not become the axial compression rod member.The eccentric compression rod member was owing to both be subjected to a power and moment of flexure effect, so the deadweight of jib is obviously many than the recuperation of pure axial compression jib, and the lifting characteristic variation of jib.Bigger problem is if need discharge suddenly load in the process of hoisting of being everlasting as dynamic compaction machinery, can cause jib hypsokinesis and dither effect under the influence of wire rope, jib distortion accumulation of energy.
The utility model content
The purpose of this utility model provides the dynamic compaction machinery of a kind of man-like shelf and the servo-actuated of jib luffing, and it makes servo-actuated man-like shelf and the servo-actuated of jib luffing by oscillating arm mechanisms and amplitude draw-bar, thereby makes the jib of dynamic compaction machinery stressed more reasonable; It utilizes man-like shelf and jib luffing relation of following up and the identical structure of arm head wire rope front and back rope quantity, guarantee that jib head amount of force in the whole range scope equates substantially and makes jib is zero to the suffered resultant moment of hinge, thereby can realize to greatest extent that jib is subjected to equilibrium of forces, improve the structure stress of jib, alleviate the deadweight of jib, improved and improved the strong rammer transaction capabilities of jib and complete machine.
For achieving the above object, the utility model is taked following technical scheme:
The dynamic compaction machinery of a kind of man-like shelf and the servo-actuated of jib luffing, it includes: creeper undercarriage, dynamic compaction machinery turntable, jib, lifting mechanism, it is characterized in that: the servo-actuated man-like shelf is installed on the dynamic compaction machinery turntable, this servo-actuated man-like shelf is made of outside brace and inboard brace, the top of this outside brace and inboard brace is hinged with pulley, the lower end of this outside brace and dynamic compaction machinery turntable are hinged, and this inboard brace is arranged between jib and the outside brace; Be provided with amplitude draw-bar between inboard brace and jib, the lower end of this amplitude draw-bar and the lower end of inboard brace are hinged, and the frame body of the upper end of this amplitude draw-bar and jib is hinged, and this amplitude draw-bar is the shape setting that is inclined upwardly; Bottom at amplitude draw-bar and inboard brace is provided with oscillating arm mechanisms, this oscillating arm mechanisms is to be made of swing arm frame and telescopic oil cylinder, one end and the dynamic compaction machinery turntable of this telescopic oil cylinder are hinged, one end of the other end of this telescopic oil cylinder and swing arm frame is hinged, the other end of this swing arm frame and dynamic compaction machinery turntable are hinged, the described end of the lower end of this amplitude draw-bar and inboard brace and swing arm frame is hinged, forms the servo-actuated man-like shelf and passes through oscillating arm mechanisms interlock mutually with amplitude draw-bar.
Described swing arm frame includes two swing arms, this swing arm is tabular, the inswept of this swing arm, the rear end of this swing arm is wide, the front end of this two swing arm is hinged with two articulated joints that are arranged on the dynamic compaction machinery turntable, be connected with joint pin between the rear end of this two swing arm, on joint pin, be connected with the two support plates of triangle, the base angle of the two support plates of this triangle is connected with joint pin, the drift angle place of the two support plates of this triangle upper end is provided with side lever hinging pin shaft in the man-like shelf, hinged by side lever lower end in this bearing pin and the man-like shelf, the place, exterior angle of the two support plate outer ends of this triangle is provided with the telescopic oil cylinder hinging pin shaft, and is hinged by the expansion link of this bearing pin and telescopic oil cylinder; Arm body in the swing arm on the top of the rear end of two swing arms joint pin is provided with the amplitude draw-bar hinge hole, is inserted with bearing pin in this hinge hole, and this bearing pin and amplitude draw-bar lower end are hinged.
The wire rope of lifting mechanism is connected with the strong weight that rams by the pulley on servo-actuated man-like shelf top, the pulley on jib top, and it is identical to form front and back, jib top wire rope quantity.
Amplitude draw-bar drives the swing of servo-actuated man-like shelf synchronously by the oscillating arm mechanisms that is connected with the servo-actuated man-like shelf in driving the jib amplitude changing process.
Drive servo-actuated man-like shelf swing synchronously by the oscillating arm mechanisms that is connected with the servo-actuated man-like shelf, make the hoist rope that acts on both sides, jib top moment of flexure minimum jib.
Stretch out and the withdrawal of the hydraulic cylinder expansion link of oscillating arm mechanisms makes the swing of swing arm frame, drives servo-actuated man-like shelf and amplitude draw-bar deflection.
The beneficial effects of the utility model are: it makes servo-actuated man-like shelf and the servo-actuated of jib luffing by oscillating arm mechanisms and amplitude draw-bar, thereby makes the jib of dynamic compaction machinery stressed more reasonable; It utilizes man-like shelf and jib luffing relation of following up and the identical structure of arm head wire rope front and back rope quantity, guarantee that jib head amount of force in the whole range scope equates substantially and makes jib is zero to the suffered resultant moment of hinge, thereby can realize to greatest extent that jib is subjected to equilibrium of forces, improve the structure stress of jib, alleviate the deadweight of jib, improve the strong rammer transaction capabilities that has improved jib and complete machine.
Description of drawings
Fig. 1 is the jib minimum radius working state schematic representation under the utility model oil cylinder retraction.
Fig. 2 is the local enlarged diagram of Fig. 1.
Fig. 3 is the oscillating arm mechanisms structural representation.
Fig. 4 is Fig. 3 schematic top plan view.
Fig. 5 is that Fig. 4 X is to schematic diagram.
Fig. 6 is that Fig. 4 A-A is to cross-sectional schematic.
Fig. 7 is jib amplitude peak working state schematic representation when oil cylinder of the present utility model is stretched entirely among Fig. 1.
The specific embodiment
Referring to Fig. 1 ~ shown in Figure 7: the dynamic compaction machinery of a kind of man-like shelf and the servo-actuated of jib luffing, it includes: creeper undercarriage 1, dynamic compaction machinery turntable 2, jib 15, lifting mechanism 3, servo-actuated man-like shelf 18 is installed on dynamic compaction machinery turntable 2, this servo-actuated man-like shelf 18 is made of outside brace 5 and inboard brace 4, this outside brace 5 is hinged with pulley 6 with the top of inboard brace 4, the lower end of this outside brace 5 and dynamic compaction machinery turntable 2 are hinged, and this inboard brace 4 is arranged between jib 15 and the outside brace 5; Be provided with amplitude draw-bar 8 between inboard brace 4 and jib 15, the lower end of the lower end of this amplitude draw-bar 8 and inboard brace 4 is hinged, and the frame body of the upper end of this amplitude draw-bar 8 and jib 15 is hinged, and this amplitude draw-bar 8 is the shape setting that is inclined upwardly; Bottom at amplitude draw-bar 8 and inboard brace 4 is provided with oscillating arm mechanisms, this oscillating arm mechanisms is to be made of swing arm frame 9 and telescopic oil cylinder 11, one end and the dynamic compaction machinery turntable 2 of this telescopic oil cylinder 11 are hinged, one end of the other end of this telescopic oil cylinder 11 and swing arm frame 9 is hinged, the other end of this swing arm frame 9 and dynamic compaction machinery turntable 2 are hinged, the lower end of this amplitude draw-bar 8 and inboard brace 4 and swing arm frame 9 described ends are hinged, form servo-actuated man-like shelf 18 and pass through oscillating arm mechanisms interlock mutually with amplitude draw-bar 8.
Described swing arm frame 9 includes two swing arms 91, this swing arm 91 is tabular, the inswept of this swing arm 91, the rear end of this swing arm 91 is wide, the front end 92 of this two swing arm 91 is hinged with two articulated joints 13 that are arranged on the dynamic compaction machinery turntable, be connected with joint pin 94 between the rear end of this two swing arm 91, on joint pin 94, be connected with the two support plates 95 of triangle, the base angle of the two support plates 95 of this triangle is connected with joint pin 94, the drift angle place of two support plate 95 upper ends of this triangle is provided with side lever hinging pin shaft 96 in the man-like shelf, hinged by side lever 4 lower ends in this bearing pin 96 and the man-like shelf, the place, exterior angle of the two support plate outer ends of this triangle is provided with telescopic oil cylinder hinging pin shaft 97, and is hinged with the expansion link 10 of telescopic oil cylinder by this bearing pin 97; Arm body in the swing arm on the top of the rear end joint pin of two swing arms 91 is provided with amplitude draw-bar hinge hole 98, is inserted with bearing pin 99 in this hinge hole, and this bearing pin 99 is hinged with amplitude draw-bar 4 lower ends.
Between two swing arms 91 and joint pin 94, be welded with curved arc shape and strengthen gusset 90.
The wire rope 12 of lifting mechanism 3 is connected with the strong weight 17 that rams by the pulley 6 on servo-actuated man-like shelf top, the pulley 7 on jib top, and it is identical to form front and back, jib top wire rope quantity.
Amplitude draw-bar 8 drives 18 swings of servo-actuated man-like shelf synchronously by the oscillating arm mechanisms that is connected with servo-actuated man-like shelf 18 in driving jib 15 amplitude changing process.
Drive 18 swings of servo-actuated man-like shelf synchronously by the oscillating arm mechanisms that is connected with servo-actuated man-like shelf 18, make the moment of flexure minimum of the 12 pairs of jibs 15 of hoist rope that act on both sides, jib 15 top.
Stretch out and the withdrawal of the hydraulic cylinder expansion link 10 of oscillating arm mechanisms makes swing arm 9 swings, drives servo-actuated man-like shelf 18 and amplitude draw-bar 8 deflections.
When the expansion link 10 of oil cylinder 11 stretch, when contracting, the upper and lower swing of the swing arm 91 in the oscillating arm mechanisms can drive 15 motions of servo-actuated man-like shelf 18 and jib, make simultaneously jib 15 the pushing away of amplitude draw-bar 8, leaving behind reaches maximum or minimum work range.In work range change process, can guarantee jib 15 suffered moment of flexure minimums all the time.Thereby reduce jib weight and improve the strong job behavior that rams.

Claims (6)

1. the dynamic compaction machinery of man-like shelf and the servo-actuated of jib luffing, it includes: creeper undercarriage, dynamic compaction machinery turntable, jib, lifting mechanism, it is characterized in that: the servo-actuated man-like shelf is installed on the dynamic compaction machinery turntable, this servo-actuated man-like shelf is made of outside brace and inboard brace, the top of this outside brace and inboard brace is hinged with pulley, the lower end of this outside brace and dynamic compaction machinery turntable are hinged, and this inboard brace is arranged between jib and the outside brace; Be provided with amplitude draw-bar between inboard brace and jib, the lower end of this amplitude draw-bar and the lower end of inboard brace are hinged, and the frame body of the upper end of this amplitude draw-bar and jib is hinged, and this amplitude draw-bar is the shape setting that is inclined upwardly; Bottom at amplitude draw-bar and inboard brace is provided with oscillating arm mechanisms, this oscillating arm mechanisms is to be made of swing arm frame and telescopic oil cylinder, one end and the dynamic compaction machinery turntable of this telescopic oil cylinder are hinged, one end of the other end of this telescopic oil cylinder and swing arm frame is hinged, the other end of this swing arm frame and dynamic compaction machinery turntable are hinged, the described end of the lower end of this amplitude draw-bar and inboard brace and swing arm frame is hinged, forms the servo-actuated man-like shelf and passes through oscillating arm mechanisms interlock mutually with amplitude draw-bar.
2. the dynamic compaction machinery of man-like shelf according to claim 1 and the servo-actuated of jib luffing, it is characterized in that: described swing arm frame includes two swing arms, this swing arm is tabular, the inswept of this swing arm, the rear end of this swing arm is wide, the front end of this two swing arm is hinged with two articulated joints that are arranged on the dynamic compaction machinery turntable, be connected with joint pin between the rear end of this two swing arm, on joint pin, be connected with the two support plates of triangle, the base angle of the two support plates of this triangle is connected with joint pin, the drift angle place of the two support plates of this triangle upper end is provided with side lever hinging pin shaft in the man-like shelf, hinged by side lever lower end in this bearing pin and the man-like shelf, the place, exterior angle of the two support plate outer ends of this triangle is provided with the telescopic oil cylinder hinging pin shaft, and is hinged by the expansion link of this bearing pin and telescopic oil cylinder; Arm body in the swing arm on the top of the rear end of two swing arms joint pin is provided with the amplitude draw-bar hinge hole, is inserted with bearing pin in this hinge hole, and this bearing pin and amplitude draw-bar lower end are hinged.
3. the dynamic compaction machinery of man-like shelf according to claim 2 and the servo-actuated of jib luffing, it is characterized in that: the wire rope of lifting mechanism is connected with the strong weight that rams by the pulley on servo-actuated man-like shelf top, the pulley on jib top, and it is identical to form front and back, jib top wire rope quantity.
4. the dynamic compaction machinery of man-like shelf according to claim 3 and the servo-actuated of jib luffing is characterized in that: amplitude draw-bar drives the swing of servo-actuated man-like shelf synchronously by the oscillating arm mechanisms that is connected with the servo-actuated man-like shelf in driving the jib amplitude changing process.
5. the dynamic compaction machinery of man-like shelf according to claim 4 and the servo-actuated of jib luffing, it is characterized in that: drive servo-actuated man-like shelf swing synchronously by the oscillating arm mechanisms that is connected with the servo-actuated man-like shelf, make the hoist rope that acts on both sides, jib top moment of flexure minimum jib.
6. the dynamic compaction machinery of man-like shelf according to claim 5 and the servo-actuated of jib luffing is characterized in that: stretch out and the withdrawal of the hydraulic cylinder expansion link of oscillating arm mechanisms makes the swing of swing arm frame, drives servo-actuated man-like shelf and amplitude draw-bar deflection.
CN2010206575936U 2010-12-14 2010-12-14 Dynamic compactor with propeller strut following up amplitude variation of arm support Expired - Lifetime CN201873983U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN2010206575936U CN201873983U (en) 2010-12-14 2010-12-14 Dynamic compactor with propeller strut following up amplitude variation of arm support

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102002936A (en) * 2010-12-14 2011-04-06 中化岩土工程股份有限公司 Dynamic compactor capable of realizing amplitude-variable followup of A-bracket with arm support
CN102444114A (en) * 2011-09-29 2012-05-09 上海三一科技有限公司 Vertical arm support structure, arm lifting method and strong tamping machine including structure
CN103132501A (en) * 2013-03-11 2013-06-05 中联重科股份有限公司 Dynamic compaction machine
CN103572746A (en) * 2012-08-10 2014-02-12 徐工集团工程机械股份有限公司 Dynamic compaction machine capable of automatically hooking and unhooking

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102002936A (en) * 2010-12-14 2011-04-06 中化岩土工程股份有限公司 Dynamic compactor capable of realizing amplitude-variable followup of A-bracket with arm support
CN102444114A (en) * 2011-09-29 2012-05-09 上海三一科技有限公司 Vertical arm support structure, arm lifting method and strong tamping machine including structure
CN102444114B (en) * 2011-09-29 2014-09-17 上海三一科技有限公司 Arm lifting method of vertical arm support structure
CN103572746A (en) * 2012-08-10 2014-02-12 徐工集团工程机械股份有限公司 Dynamic compaction machine capable of automatically hooking and unhooking
CN103572746B (en) * 2012-08-10 2016-03-23 徐工集团工程机械股份有限公司 A kind of can automatic hanging break off relations dynamic compaction machinery
CN103132501A (en) * 2013-03-11 2013-06-05 中联重科股份有限公司 Dynamic compaction machine

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20110622

Effective date of abandoning: 20120125