CN201288352Y - Connection device capable of joining and disconnecting rapidly with quick change implement of loader - Google Patents

Connection device capable of joining and disconnecting rapidly with quick change implement of loader Download PDF

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Publication number
CN201288352Y
CN201288352Y CNU2008201498993U CN200820149899U CN201288352Y CN 201288352 Y CN201288352 Y CN 201288352Y CN U2008201498993 U CNU2008201498993 U CN U2008201498993U CN 200820149899 U CN200820149899 U CN 200820149899U CN 201288352 Y CN201288352 Y CN 201288352Y
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CN
China
Prior art keywords
loader
work tool
bearing pin
linkage
rod member
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.)
Expired - Fee Related
Application number
CNU2008201498993U
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Chinese (zh)
Inventor
荆名温
李玲琴
王铁雷
申丽
李冬会
王瑞丽
常连洲
刘俊周
孙大亮
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Zhengzhou Yutong Heavy Industry Co Ltd
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Zhengzhou Yutong Heavy Industry Co Ltd
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Filing date
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Priority to CNU2008201498993U priority Critical patent/CN201288352Y/en
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Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

A connection device capable of quickly connecting with and detaching from loader quick-change facility is characterized in that the connection device includes mounting rod member (7) connecting with hook positioned at upper of back of working rig (13), a telescope type pin mechanism for connecting with axle hole processed at left and right connection board (12-1) (12-2) disposed at left and right movable arms (15) of loader and back of working rig (13), and a arc pull rod for connecting rocker arm (14) of working rig of loader. The device of the utility can utilize only connection device connecting with movable arm and rocker arm for one host conveniently connecting with or detaching from multiple working rigs without manual operation and change for the main part of working rig, thereby implementing multi-functional operation of multiple working rigs for one host.

Description

A kind of linkage of and the quick bond-off of loader quick change facility
Technical field
The utility model relates to a kind of and the linkage quick bond-off of loader quick change facility, and this device is specially adapted to the quick replacing of the work tool of multi function loader.
Background technology
Modernization industry needs all kinds of engineering machinery in producing, particularly to being that the engineering machinery that chassis development goes out multifunctional usage is characteristics of present construction machinery industry production development with some principal works machineries such as wheel loaders.This series products be mainly used in city, townlet and rural area highway construction and maintenance, power equipment construction, cut into a mountain and get the various construction engineerings that stone and small building team are engaged in.As to adopt wheel loader be the multi-functional engineering machinery of foundational development, its basic chassis is constant, just its anterior work tool is engaged or disengagement by quick, conversion rapidly, the multiple independently engineering machinery that just can repack into, become the product of being badly in need of usefulness in the development of the national economy, can in urbanization of villages and modernization, play a positive role.
Wheel loader is modal a kind of machinery in the engineering machinery, and the anterior work tool of its equipment is a scraper bowl normally, and its below, back is connected with swing arm, and its top, back is connected with pull bar; Adopt the bearing pin connected mode.Therefore, change work tool on loader, general just the needs removed work tool (as scraper bowl) and the bearing pin that swing arm, pull bar are connected earlier, removes work tool; And then still be connected swing arm and pull bar with bearing pin with another kind of work tool.This disassemble and assemble work generally all will be by lifting gear, and adopts the hand assembled mode of operation to carry out, assembly manipulation process complexity, and personnel's physical demands is also very big.
Therefore under the constant substantially prerequisite of working device of loader main member, design a kind of universal interconnecting device, the work tool back also is designed to a kind of corresponding universal architecture, adopt the advance and retreat of direct control machinery or other corresponding actions of machinery between the two, and needn't operate with personnel's hand assembled again, just can engage or throw off anterior work tool rapidly, realize that a main frame realizes finishing multi-function operation by the different work tool that changes the outfit, such machinery should be up-and-coming machinery.
Summary of the invention
The purpose of this utility model provides a kind of and the linkage quick bond-off of loader quick change facility just at existing weak point in the above-mentioned prior art.This device needn't be by other staff's hand assembled operation, only need the linkage of host work device to rely on corresponding site to bump by promoting or the decline of shrinking back to the quick change work tool, just can easily the quick change work tool be hung up or unload, realize quick change or quick-release purpose.
The purpose of this utility model can realize by following technique measures:
Linkage with the quick bond-off of loader quick change facility of the present utility model comprises the rod member that articulates that the hook-type suspension member that is used for being provided with work tool back top combines, the telescopic pin framework that the axis hole that processes on the left and right junction plate that is used for being provided with loader left and right sides swing arm and work tool back combines, and the arc pull bar that is used for connecting the working device of loader rocking arm.
The two ends that articulate rod member described in the utility model respectively with the left and right fixed side Joint that constitutes linkage, articulate rod member below be arranged with the following girder steel that is used to install telescopic pin framework of reinforcing member and hollow cylindrical structure successively in parallel, the two ends of described reinforcing member and following girder steel respectively with left and right side plate Joint; Articulate rod member and reinforcing member middle part be provided with one respectively with the drag link bearing that articulates rod member and reinforcing member Joint, this drag link bearing combines with an end of arc pull bar by articulated manner; Described telescopic pin framework is made up of two rod oil cylinders in the following girder steel cavity that is installed in the hollow cylindrical structure and the left and right bearing pin that is connected to two piston rod ends of two rod oil cylinders, and described left and right bearing pin end is passed the axis hole level that processes on the respective side fixed side respectively and stretched out.
Rocking arm in the pull bar of arc described in the utility model one end and the working device of loader is hinged with bearing pin, and bearing pin is by fixing between the side of fixed structure and rocking arm; The arc pull bar other end and drag link bearing are hinged with bearing pin, and bearing pin is by fixing between the side of fixed structure and drag link bearing.
The hook-type suspension member that top, the back of work tool described in the utility model is provided with is made up of left and right two barb-like link plates, and its coupler body partial shape matches with the shape of cross section that articulates rod member; Articulate rod member and be provided with the left and right limited block that matches with left and right two barb-like link plates.
Operating principle of the present utility model is as follows:
At first linkage of the present utility model is installed in the front end of loading arm by arc pull bar and telescopic pin framework, when the loader that is equipped with the utility model linkage need engage fast with work tool, can be by the mode that drives into forward, drive into towards the work tool back, swing arm is descended or change dumping hopper forward and move, make the rod member (going up tubular axis) that articulates of linkage descend forward, do the preparation of angling the barb-like link plate (its coupler body partial shape is similar to English alphabet C shape) of hanging the setting of work tool back.
After the articulating rod member (go up tubular axis) and move to barb-like link plate below of linkage, control control stick this moment and do to receive the bucket action, will make the barb-like link plate at work tool back hang over and articulate above the rod member (also can be described as tubular axis), and rotate backward around articulating rod member (going up tubular axis) by the deadweight of work tool is sagging.When the following girder steel outer wall of operation facility back limiting plate and linkage bottom hollow cylindrical structure is collided, the axis hole essentially concentric that processes on the left and right junction plate that left and right bearing pin in the telescopic pin framework and work tool back are provided with.Control hydraulic system, make two rod oil cylinder rodless cavities enter pressure oil, two end piston rods stretch out, and promote the outer elongated end conical section of left and right bearing pin and insert in the axis hole that processes on the left and right junction plate of work tool back setting, finish the action of hanging cooperation industry facility.Because the spacing that is welded between two limited blocks that articulate in the linkage on the rod member (going up tubular axis) is slightly larger than two spacings between the barb-like link plate.Therefore, to articulating rod member (going up tubular axis) when upward extension is kowtowed, two limited blocks also can make the barb-like link plate of work tool realize left and right sides automatic centering, are entrapped in the middle of the limited block at barb-like link plate.
When the loader that is equipped with the utility model linkage need separate fast with work tool, at first handling loader is placed on work tool on the ground, control hydraulic system afterwards, make the piston rod of two rod oil cylinders shrink, and then drive left and right bearing pin and from the side plate hole of work tool, withdraw; Controlling control stick this moment changes dumping hopper forward and moves, and the rod member that articulates in linkage moves back in the hook of the barb-like link plate of work tool and unloads down, can conveniently realize separating disengagement fast with work tool.Promptly when the rod chamber of two rod oil cylinders entered pressure oil and makes that piston rod is recovered to minimum stroke, the bearing pin front end was concordant with the external-open crotch at swing arm front aperture place, at this moment presents disengaged condition between linkage and the work tool.
The beneficial effects of the utility model are as follows:
In sum, this device is under the prerequisite of not changing the working device of loader major part, the linkage that only need utilization combines with swing arm, rocking arm, just can rely on the operation of personnel's hand assembled again, just can realize easily that a main frame connecing fast respectively and between the several work facility hang or throw off, realize that main frame use several work facility carry out the purpose of multi-function operation.
Description of drawings
Fig. 1 is the three-dimensional structure diagram of the utility model linkage.
Fig. 2 is two rod oil cylinder piston rods of the utility model device when being in the minimum stroke state, the structure chart that left and right bearing pin is connected with swing arm; It also is the structure chart that the utility model device and work tool are in disengaged condition.
Fig. 3 is two rod oil cylinder piston rods of the utility model device when being in the range state, left and right bearing pin and swing arm and work tool junction plate principle of combining figure; It also is the structure chart of the utility model device and work tool engagement state.
Fig. 4 is the A-A sectional drawing of Fig. 3.
Fig. 5 installs the working device of loader of the utility model linkage and the schematic diagram with work tool disengaged condition of quick change function.
Fig. 6 is the working device of loader and the schematic diagram with work tool engagement state of quick change function that the utility model linkage is installed.
Sequence number is among the figure: the 1st, and linkage; the 2nd, drag link bearing; the 3rd, the arc pull bar; 4-1 is left bearing pin; 4-2 is right bearing pin; the 5th, connect a left side; the pivot pin of right bearing pin and two rod oil cylinder piston rods; the 6th, two rod oil cylinders; the 7th, articulate rod member (going up tubular axis); the 8th, reinforcing member (middle tubular axis); the 9th, the following girder steel of hollow cylindrical structure (the rectangular structure in cross section); 10-1 is left fixed side; 10-2 is right fixed side; 11-1 and 11-2 are respectively the left sides that the work tool back is provided with; right barb-like link plate; 12-1 is the left junction plate that the work tool back is provided with; 12-2 is the right junction plate that the work tool back is provided with, the 13rd, and work tool, the 14th, rocking arm; the 15th, a left side; right swing arm; the 16th, the bearing pin of connection arc pull bar and drag link bearing, the 17th, the bearing pin of connection arc pull bar and rocking arm, the 18th, limited block; the 19th, cottor pin; the 20th, the piston rod (Fig. 2 and the left piston bar that is shown in Figure 3) of two rod oil cylinders, the 21st, the O shape circle of dustproof usefulness, the 22nd, be welded in a work tool left side; protection ring on the right plate; the 23rd, cover plate, the 24th, wearing plate.
The specific embodiment
The utility model is further described below with reference to embodiment (accompanying drawing), but does not limit the utility model.
As Fig. 1, shown in Figure 5, linkage with the quick bond-off of loader quick change facility of the present utility model comprises that the hook-type suspension member that is used for being provided with work tool 13 backs tops combines articulates rod member 7, the telescopic pin framework that the axis hole that processes on left and right junction plate 12-1, the 12-2 that is used for being provided with left and right swing arm 15 of loader and work tool 13 backs combines, and the arc pull bar 3 that is used for connecting working device of loader rocking arm 14; The described two ends that articulate rod member 7 respectively with the left and right fixed side 10-1, the 10-2 Joint that constitute linkage, articulate rod member 7 below be arranged with the following girder steel 9 that is used to install telescopic pin framework of reinforcing member 8 and hollow cylindrical structure successively in parallel, the two ends of described reinforcing member 8 and following girder steel 9 respectively with left and right side plate 10-1,10-2 Joint; Describedly articulate rod member 7 and reinforcing member 8 is round tube shape structure, also can be described as tubular axis and middle tubular axis; Described girder steel 9 down is the hollow cylindrical girder steel of the rectangular structure of cross section; Articulate rod member 7 and reinforcing member 8 middle parts be provided with one respectively with the drag link bearing 2 that articulates rod member 7 and reinforcing member 8 Joints, this drag link bearing 2 combines with an end of arc pull bar 3 by articulated manner; Described telescopic pin framework is made up of two rod oil cylinders in following girder steel 9 cavities that are installed in the hollow cylindrical structure 6 and the left and right bearing pin 4-1, the 4-2 that are connected to two piston rod ends of two rod oil cylinders, and described left and right bearing pin end is passed the axis hole level that processes on the respective side fixed side respectively and stretched out.
Say that more specifically the rocking arm 14 usefulness bearing pins 17 in described arc pull bar 3 one ends and the working device of loader are hinged, bearing pin 17 is by fixing between the side of fixed structure and rocking arm 14; Arc pull bar 3 other ends and drag link bearing 2 usefulness bearing pins 16 are hinged, and bearing pin 16 is by fixing between the side of fixed structure and drag link bearing 2.The hook-type suspension member that described work tool 13 backs tops is provided with is made up of left and right two barb-like link plate 11-1,11-2, and the c-shaped structure of its coupler body partial shape also matches with shape of cross section that tubulose articulates rod member 7; Articulating rod member 7 is provided with and left and right two left and right limited blocks 18 that barb-like link plate 11-1,11-2 match.
Assembly method of the present utility model is as follows:
As Fig. 2, Fig. 3, shown in Figure 4, the otch of described left and right bearing pin 4-1,4-2 is contained in down the two ends of the inner chamber of girder steel 9 in horizontal direction, at this moment, the flat horizontal of left and right bearing pin 4-1,4-2 and wearing plate 24 applyings (referring to shown in Figure 4) that are contained in down the girder steel inner chamber.Left and right then bearing pin 4-1,4-2 pass the left and right fixed side 10-1 in the linkage 1, the hole of 10-2 respectively, and penetrate in the hole of left and right swing arm 15 front ends of loader.Again two rod oil cylinders 6 are kept flat down in the girder steel inner chamber, the flat quadrate part branch level of its piston rod 20 front ends is inserted in the fluting of left and right bearing pin, pivot pin 5 is interted down by the assembly technology hole of following girder steel 9 tops, bearing pin 4-1,4-2 are linked together with the flat horizontal of left and right two piston rods 20 of two rod oil cylinders respectively, and with cottor pin 19 that pivot pin 5 is fixing.Fix with threaded connector between two rod oil cylinders 6 and following girder steel 9 squab panels, and the through hole of left and right fixed side 10-1,10-2 in the longitudinal center line of the two rod oil cylinders 6 in fixing back and the linkage 1 is concentric.When the piston rod 20 of two rod oil cylinders 6 is retracted to minimum stroke, the front end tapering end face of left and right bearing pin 4-1,4-2 basically with swing arm external-open crotch side concordant (referring to shown in Figure 2).At this moment linkage and swing arm assemble, and are in connection status.
Two rod oil cylinders 6 install, and corresponding connection conduit under fluid pressure (all not drawing among each figure), and cover plate 23 usefulness threaded connectors are connected capping with following girder steel.Afterwards, arc pull bar 3 is connected with rocking arm 14 by bearing pin 17, bearing pin 17 is fixed (referring to Fig. 5) by fixed structure and rocking arm one side.So far, the assembling between the equipment of device of the present utility model and loader is connected and finishes.
Concrete operating principle of the present utility model and mode are as follows:
After the equipment of the utility model and loader was assembled together, when the left and right piston rod 20 of two rod oil cylinders 6 is in stroke hour, the outer face of left and right bearing pin 4-1,4-2 terminated in the inboard, outer face of the connecting hole of left and right swing arm 15, referring to shown in Figure 2.
At this moment, loader is left to work tool 13 directions, and decline swing arm or change dumping hopper action forward, be put into the below of left and right two barb-like link plate 11-1, the 11-2 of the setting of top, work tool 13 backs with the last tubular axis 7 in the linkage 1, control control stick this moment and do to receive the bucket action, left and right two barb-like link plate 11-1,11-2 are hung on the tubular axis 7.Do to receive the bucket action then, work tool 13 is sagging by deadweight, when its back limiting plate when following girder steel riser in the linkage contacts, the connecting hole of left and right junction plate 12-1,12-2 that work tool 13 backs are provided with just in time with linkage 1 in left and right fixed side 10-1 and the hole of 10-2 align.Handle two rod oil cylinders 6 this moment, allow the piston rod 20 of oil cylinder stretch out, the front end tapering of left and right bearing pin 4-1,4-2 will be inserted in the connecting hole of left and right junction plate 12-1,12-2 that work tool 13 backs are provided with, finishes quick joint action.
As shown in Figure 3, when flat side's step of lower bearing pin contacts with the medial surface of left and right fixed side 10-1 and 10-2, also just controlled the range of left and right bearing pin 4-1,4-2.At this moment; the front end tapering of bearing pin 4-1,4-2 is inserted in the hole of the left and right junction plate 12-1 of work tool, 12-2; the lateral surface of the left and right junction plate of work tool is exposed in their front end tapering, and the protection ring 22 that is welded on the left and right junction plate lateral surface of work tool can play the effect to the protection of bearing pin tapering.At this moment the left and right bearing pin 4-1 of linkage, 4-2 have been in the left and right junction plate 12-1 of work tool, 12-2 and have been connected the engagement state position, as shown in Figure 6.
When the loader that is equipped with the utility model linkage need separate fast with work tool, work tool 13 bottom surfaces are placed on after the ground, handle the piston rod 20 of two rod oil cylinders and do contractive action, left and right bearing pin 4-1,4-2 withdraw in the hole of left and right junction plate 12-1 of work tool and 12-2; Handle loader this moment and do the action of upset dump bucket, shirk out from left and right two barb-like link plate 11-1,11-2 up to last tubular axis 7, linkage 1 has just been thrown off with work tool 13.This moment, the piston rod 20 of two rod oil cylinders was in the minimum stroke state, was in the disengaged condition position between work tool 13 and the loader, as shown in Figure 5.
When needs were changed various work tool, the operating process of their joint or disengagement action was all same as described above.Therefore, when any back of replacing has the work tool of general syndeton, finish above-mentioned two and engage or throw off action, only needing in accordance with regulations program to handle loader just can finish, do not need to rely on again personnel's manual operations, unload lower bearing pin and load onto bearing pin, so this is a kind of effective means of fast and convenient replacing work tool.
The hydraulic system that device of the present utility model is used, the general employing stops go to action, the pressure oil of the existing steering hydraulic system of loader is taken out at the unidirectional flow stabilizing valve place that enters the all-hydraulic steering gear front, and then with an electric hydraulic control valve hydraulic system of the utility model device is controlled, realize changing the operation of quick change facility.Loader after the operation of changing the quick change facility is finished in the original place, is handled electric hydraulic control valve under nothing turns to functional status, pressure oil and quick change hydraulic system are cut off, and changes the normal direction of rotation hydraulic system into and uses, and recovers the function that turns to of loader simultaneously.

Claims (4)

1, a kind of linkage of and the quick bond-off of loader quick change facility, it is characterized in that: this linkage comprises that the hook-type suspension member that is used for being provided with work tool (13) back top combines articulates rod member (7), the telescopic pin framework that the axis hole that processes on the left and right junction plate (12-1) that is used for being provided with loader left and right sides swing arm (15) and work tool (13) back, (12-2) combines, and the arc pull bar (3) that is used for connecting loading arm equipment rocking arm (14).
2, linkage according to claim 1, it is characterized in that: the described two ends that articulate rod member (7) respectively with left and right fixed side (10-1), (10-2) Joint of constituting linkage, be arranged with the following girder steel (9) that is used to install telescopic pin framework of reinforcing member (8) and hollow cylindrical structure successively in parallel in the below that articulates rod member (7), the two ends of described reinforcing member (8) and following girder steel (9) respectively with left and right side plate (10-1), (10-2) Joint; Articulate rod member (7) and reinforcing member (8) middle part be provided with one respectively with the drag link bearing (2) that articulates rod member (7) and reinforcing member (8) Joint, this drag link bearing (2) combines by the end of articulated manner with arc pull bar (3); Described telescopic pin framework is made up of two rod oil cylinders (6) in following girder steel (9) cavity that is installed in the hollow cylindrical structure and the left and right bearing pin (4-1), (4-2) that are connected to two piston rod ends of pair rod oil cylinders, and described left and right bearing pin end is passed the axis hole level that processes on the respective side fixed side respectively and stretched out.
3, linkage according to claim 1 and 2, it is characterized in that: the rocking arm (14) in described arc pull bar (3) one ends and the working device of loader is hinged with bearing pin (17), and bearing pin (17) is by fixing between the side of fixed structure and rocking arm (14); Arc pull bar (3) other end and drag link bearing (2) are hinged with bearing pin (16), and bearing pin (16) is by fixing between the side of fixed structure and drag link bearing (2).
4, linkage according to claim 1 and 2, it is characterized in that: the hook-type suspension member that top, described work tool (13) back is provided with is made up of left and right two barb-like link plates (11-1), (11-2), and its coupler body partial shape matches with the shape of cross section that articulates rod member (7); Articulate rod member (7) and be provided with the left and right limited block (18) that matches with left and right two barb-like link plates (11-1), (11-2).
CNU2008201498993U 2008-10-23 2008-10-23 Connection device capable of joining and disconnecting rapidly with quick change implement of loader Expired - Fee Related CN201288352Y (en)

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CNU2008201498993U CN201288352Y (en) 2008-10-23 2008-10-23 Connection device capable of joining and disconnecting rapidly with quick change implement of loader

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Application Number Priority Date Filing Date Title
CNU2008201498993U CN201288352Y (en) 2008-10-23 2008-10-23 Connection device capable of joining and disconnecting rapidly with quick change implement of loader

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101892682A (en) * 2010-07-28 2010-11-24 江苏柳工机械有限公司 Quick-change device for loader accessory
CN112121482A (en) * 2020-10-12 2020-12-25 株洲时代新材料科技股份有限公司 Cantilever type filter press
CN112121483A (en) * 2020-10-12 2020-12-25 株洲时代新材料科技股份有限公司 Pressure filter pull rod device
CN112263859A (en) * 2020-10-12 2021-01-26 株洲时代新材料科技股份有限公司 Filter press with filter plates capable of being opened and closed synchronously
CN113818504A (en) * 2021-08-25 2021-12-21 上海发奇建筑工程有限公司 Manipulator and foundation pile static load test ballast system thereof
CN114411839A (en) * 2021-12-09 2022-04-29 中联重科土方机械有限公司 Quick change device and engineering machinery

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101892682A (en) * 2010-07-28 2010-11-24 江苏柳工机械有限公司 Quick-change device for loader accessory
CN101892682B (en) * 2010-07-28 2012-01-04 江苏柳工机械有限公司 Quick-change device for loader accessory
CN112121482A (en) * 2020-10-12 2020-12-25 株洲时代新材料科技股份有限公司 Cantilever type filter press
CN112121483A (en) * 2020-10-12 2020-12-25 株洲时代新材料科技股份有限公司 Pressure filter pull rod device
CN112263859A (en) * 2020-10-12 2021-01-26 株洲时代新材料科技股份有限公司 Filter press with filter plates capable of being opened and closed synchronously
CN112121482B (en) * 2020-10-12 2023-03-14 株洲时代新材料科技股份有限公司 Cantilever type filter press
CN113818504A (en) * 2021-08-25 2021-12-21 上海发奇建筑工程有限公司 Manipulator and foundation pile static load test ballast system thereof
CN114411839A (en) * 2021-12-09 2022-04-29 中联重科土方机械有限公司 Quick change device and engineering machinery

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Granted publication date: 20090812

Termination date: 20171023