CN104925663B - A kind of self-stabilization type hydraulic grab mechanism - Google Patents

A kind of self-stabilization type hydraulic grab mechanism Download PDF

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Publication number
CN104925663B
CN104925663B CN201510333406.6A CN201510333406A CN104925663B CN 104925663 B CN104925663 B CN 104925663B CN 201510333406 A CN201510333406 A CN 201510333406A CN 104925663 B CN104925663 B CN 104925663B
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CN
China
Prior art keywords
welded
hydraulically extensible
fixed block
material grasping
fixed cover
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Expired - Fee Related
Application number
CN201510333406.6A
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Chinese (zh)
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CN104925663A (en
Inventor
林丹凤
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Foshan Shunde Tietai Machinery Manufacturing Co ltd
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Individual
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Priority to CN201510333406.6A priority Critical patent/CN104925663B/en
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Expired - Fee Related legal-status Critical Current
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C3/00Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs
    • B66C3/14Grabs opened or closed by driving motors thereon
    • B66C3/16Grabs opened or closed by driving motors thereon by fluid motors

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Abstract

The present invention relates to a kind of self-stabilization type hydraulic grab mechanism, including moving frame and material grasping side chain, described material grasping side chain is welded on the lower end of moving frame;Described moving frame includes fixed station, mounting platform, two T-shaped chutes, two T-shaped slide rails, front fixed block, rear fixed block, hydraulically extensible bar, ear mount, material grasping matrix and four fixing ears;Described material grasping side chain includes No. two hydraulically extensible bars, upper fixed cover, lower fixed cover, limit spring and two material grabbing mechanisms, No. two described hydraulically extensible masthead ends are welded on material grasping matrix, it is welded with fixed cover on the outer wall of No. two hydraulically extensible bars, the bottom of No. two hydraulically extensible bars is welded with lower fixed cover, and No. two hydraulically extensible bars are as the power source of material grabbing mechanism material grasping.The present invention can realize the material grasping function of steady non-jitter, has that stability is good, material grasping jitter is little, security performance good and work efficiency advantages of higher.

Description

A kind of self-stabilization type hydraulic grab mechanism
Technical field
The present invention relates to grab and put forward machinery manufacturing technology field, particularly to a kind of self-stabilization type hydraulic grab mechanism.
Background technology
Grab bucket is that a kind of folding mainly by two, left and right combination bucket or multiple jaw captures and draw off the suspender of bulk material, grab bucket Can be divided into fluid pressure type grab bucket and mechanical type grab bucket two big classes by type of drive, fluid pressure type grab bucket itself, equipped with opening-closing structure, is typically used Hydraulic jack drives, and hydraulic grab Application comparison in hydraulic pressure class special equipment is extensive, such as hydraulic crawler excavator, Hydraulic for lifting load tower etc.; And mechanical type grab bucket itself is configured without opening-closing structure, is generally driven by rope or connecting rod external force, duplex type can be divided into by operating feature Grab bucket and single rope grab, be most commonly used that twin rope grab.
Although existing grabbing arrangement kind is various various, but can be frequently seen in daily life and much grab bucket in material grasping process In, causing grab bucket that the phenomenon that shake material drops occurs owing to the length of material and weight differ, the most often occurring Junk material injures the phenomenon of workman by a crashing object, existing grabbing arrangement also exist in the course of the work poor stability, material grasping jitter serious and The inferior defect of inefficiency, and there is potential safety hazard.
Summary of the invention
In order to solve the problems referred to above, the invention provides a kind of self-stabilization type hydraulic grab mechanism, it is possible to achieve steadily the grabbing of non-jitter Material function, has that stability is good, material grasping jitter is little, security performance good and work efficiency advantages of higher.
To achieve these goals, the present invention realizes by the following technical solutions: a kind of self-stabilization type hydraulic grab mechanism, including Moving frame and material grasping side chain, described material grasping side chain is welded on the lower end of moving frame.
As a preferred technical solution of the present invention, described moving frame includes fixed station, mounting platform, two T-shaped cunnings Groove, two T-shaped slide rails, front fixed block, rear fixed block, hydraulically extensible bar, ear mount, material grasping matrix and four are solid Determine ear;Described fixed station includes fixed block, four pillars and lower fixed block, and upper fixed block is symmetrically arranged with four main peaces Dress hole, four pillar upper ends are symmetrically welded at the lower surface of fixed block, and four lower rod end are welded on lower fixed block, logical Cross four main installing holes the present invention to be arranged on existing grabbing arrangement, use the connected mode of four pillars both to reach to connect by force Degree, has saved again raw-material use;It is connected by welding manner between described mounting platform upper end with lower fixed block, peace Assembling platform material is cast iron, provides strong support strength for the present invention;Two described T-shaped chutes are symmetrically welded at installation On the left of the lower surface of platform, T-shaped chute is simple to manufacture, and cost is relatively low;Two described T-shaped slide rails are separately mounted to two T On type chute, and it is connected by sliding matching mode between T-shaped slide rail with T-shaped chute;Described front fixed block is welded on two On individual T-shaped slide rail so that two T-shaped guide rails are fixed together, during motion, two are synchronized with the movement, and add support strength Stability with motion;Described rear fixed block is welded on the right side of the lower surface of mounting platform;A described hydraulically extensible bar Bottom is arranged on rear fixed block by bolt, and a hydraulically extensible bar front end is arranged on front fixed block by an ear mount, A number hydraulically extensible bar provides the hydraulic coupling moved left and right for the present invention;Described material grasping matrix upper surface is welded on two T-shaped cunnings The lower end of rail, and material grasping matrix lower surface is welded with material grasping side chain;Four described fixing ears are symmetrically welded under mounting platform End face both sides, and four fixing ears are connected with support equipment of the prior art.During work, first the present invention is arranged on existing Having on grabbing arrangement, be then arranged on existing operation ground by support equipment of the prior art, support of the prior art sets For providing strong support force to the present invention so that material grasping side chain can reduce the shake during material grasping now by support force whereby As, after material grasping side chain starts material grasping, a hydraulically extensible bar is started working, and a hydraulically extensible bar promotes two T-shaped slide rails Two T-shaped chutes synchronize to move left and right, thus drives material grasping side chain to move left and right above material, when material grasping side chain material grasping After, hydraulically extensible bar two T-shaped slide rails of promotion are toward moving left, when driving material grasping side chain to move to correct position, Material grasping side chain unloads material, and then a hydraulically extensible bar is by two T-shaped slide rail repetitive operations.
As a preferred technical solution of the present invention, described material grasping side chain include No. two hydraulically extensible bars, upper fixed cover, under Fixed cover, limit spring and two material grabbing mechanisms, No. two described hydraulically extensible masthead ends are welded on material grasping matrix, No. two liquid Being welded with fixed cover on the outer wall of pressure expansion link, the bottom of No. two hydraulically extensible bars is welded with lower fixed cover, No. two hydraulically extensibles Bar is as the power source of material grabbing mechanism material grasping;Two No. five hangers it are symmetrically arranged with on described lower fixed cover;Described spacing bullet Spring is between lower fixed cover and No. two hydraulically extensible bars, and limit spring is set on No. two hydraulically extensible bars, and limit spring rises To spacing effect, the elastic force of limit spring is prevented from No. two hydraulically extensible bars and the most up moves and cause spalling material grasping side chain Phenomenon;Two described material grabbing mechanisms are respectively symmetrically the both sides being arranged on No. two hydraulically extensible bars, material grabbing mechanism include a connecting rod, Support column, No. two connecting rods and grab bucket, a described connecting rod top is welded on the outer wall of fixed cover, the bottom of a connecting rod Arranging No. six hangers, described support column top is provided with No. seven hangers, and the left side wall of support column is provided with No. eight hangers, and It is connected by bearing pin between No. six hangers on No. seven hangers of support column and a connecting rod;No. two described connecting rod one end with under It is connected by bearing pin between No. five hangers on fixed cover, passes through between No. eight hangers on No. two connecting rod other ends and support column Bearing pin is connected;Described grab bucket upper end is welded on the lower surface of support column.During work, when No. two hydraulically extensible bars start work After work, the piston rod on No. two hydraulically extensible bars down moves, and drives lower fixed cover to synchronize down to move, No. two hydraulically extensible bars Driving No. two link rotatable, No. two connecting rods to drive support bar to rotate on a connecting rod, support bar drives grab bucket to rotate, it is achieved grab The action of material, when after the grab bucket all material graspings on two material grabbing mechanisms, and when two grab bucket ends are abutted together, No. two hydraulic pressure are stretched Piston rod on contracting bar drives lower fixed cover up to move, and after moving to correct position, moving frame starts to enter material grasping side chain Row discharging works, and repeatedly works complete to material handling.
It is high-strength cast iron as a preferred technical solution of the present invention, described T-shaped chute and T-shaped slide rail material, protects T-shaped chute and the support strength of T-shaped slide rail are demonstrate,proved so that the present invention works smoothly, and jitter is little.
As a preferred technical solution of the present invention, the grab bucket on two described material grabbing mechanisms uses the installation side of move toward one another Formula so that the grab bucket lower end after two material graspings is abutted together, and plays the effect preventing material from dropping.
The beneficial effects of the present invention is:
(1) present invention is provided with moving frame so that the material grasping side chain after material grasping can be put down at T-shaped chute and T-shaped slide rail Steady motion, high efficiency complete discharging work.
(2) present invention is compared to existing technology, has that stability is good, material grasping jitter is little, security performance good and work efficiency is high Etc. advantage.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the perspective view of the present invention;
Fig. 2 is the perspective view of moving frame of the present invention;
Fig. 3 is the left view of moving frame of the present invention;
Fig. 4 is the upward view of moving frame of the present invention;
Fig. 5 is the perspective view of material grasping side chain of the present invention;
Fig. 6 is the full sectional view of material grasping side chain of the present invention.
Specific embodiment
For the technological means making the present invention realize, creation characteristic, reach purpose and be easy to understand with effect, below in conjunction with tool Body illustrates, and the present invention is expanded on further.It should be noted that in the case of not conflicting, the embodiment in the application and enforcement Feature in example can be combined with each other.
As shown in Figures 1 to 6, a kind of self-stabilization type hydraulic grab mechanism, including moving frame 1 and material grasping side chain 3, described Material grasping side chain 3 is welded on the lower end of moving frame 1.
As shown in Figures 2 to 4, described moving frame 1 include fixed station 11,12, two T-shaped chutes 13 of mounting platform, Two T-shaped slide rails 14, front fixed block 15, rear fixed block 16, hydraulically extensible bar 17, ear mount 18, material grasping matrixs 19 and four fixing ears 110;Described fixed station 11 includes fixed block 11a, four pillar 11b and lower fixed block 11c, Being symmetrically arranged with four main installing holes on upper fixed block 11a, four pillar 11b upper ends are symmetrically welded under fixed block 11a End face, and four pillar 11b lower ends are welded on lower fixed block 11c, the present invention are arranged on existing by four main installing holes On grabbing arrangement, use the connected mode of four pillar 11b both to reach bonding strength, saved again raw-material use;Institute Mounting platform 12 upper end stated is connected by welding manner between lower fixed block 11c, and mounting platform 12 material is cast iron, Strong support strength is provided for the present invention;Two described T-shaped chutes 13 are symmetrically welded at the lower surface of mounting platform 12 Left side, T-shaped chute 13 is simple to manufacture, and cost is relatively low;Two described T-shaped slide rails 14 are separately mounted to two T-shaped chutes On 13, and it is connected by sliding matching mode between T-shaped slide rail 14 with T-shaped chute 13;Described front fixed block 15 welds It is connected on two T-shaped slide rails 14 so that two T-shaped guide rails 14 are fixed together, and during motion, two are synchronized with the movement, increases Add the stability of support strength and motion;Described rear fixed block 16 is welded on the right side of the lower surface of mounting platform 12;Institute Hydraulically extensible bar 17 bottom stated is arranged on rear fixed block 16 by bolt, and hydraulically extensible bar 17 front end is passed through A number ear mount 18 is arranged on front fixed block 15, and hydraulically extensible 17 bar provides the hydraulic coupling moved left and right for the present invention;Institute Material grasping matrix 19 upper surface stated is welded on the lower end of two T-shaped slide rails 14, and material grasping matrix 19 lower surface is welded with material grasping and props up Chain 3;Four described fixing ears 110 are symmetrically welded at the both sides, lower surface of mounting platform 12, and four fixing ears 110 are with existing The support equipment in technology is had to be connected.During work, first the present invention is arranged on existing grabbing arrangement, then by existing skill Support equipment in art is arranged on existing operation ground, and support equipment of the prior art provides strong support to the present invention Power so that material grasping side chain 3 can reduce the jitter phenomenon during material grasping by support force whereby, when material grasping side chain 3 starts material grasping After, a hydraulically extensible bar 17 is started working, and a hydraulically extensible bar 17 promotes two T-shaped slide rails 14 at two T-shaped chutes Synchronize on 13 to move left and right, thus drive material grasping side chain 3 to move left and right above material, after material grasping side chain 3 material grasping, Number hydraulically extensible bar 17 promote two T-shaped slide rails 14 toward moving left, when driving material grasping side chain 3 to move to correct position, Material grasping side chain 3 unloads material, and then a hydraulically extensible bar 17 is by the repetitive operation of two T-shaped slide rails 14.
As shown in Figure 5 to Figure 6, described material grasping side chain 3 includes No. two hydraulically extensible bars 31, upper fixed cover 32, lower fixed cover 33, limit spring 34 and two material grabbing mechanisms 35, No. two described hydraulically extensible bar 31 tops are welded on material grasping matrix 19, Being welded with fixed cover 32 on the outer wall of No. two hydraulically extensible bars 31, the bottom of No. two hydraulically extensible bars 31 is welded with lower fixed cover 33, No. two hydraulically extensible bars 31 are as the power source of material grabbing mechanism 35 material grasping;It is symmetrically arranged with two on described lower fixed cover 33 Individual No. five hanger 33a;Described limit spring 34 is between lower fixed cover 33 and No. two hydraulically extensible bars 31, and spacing bullet Spring 34 is set on No. two hydraulically extensible bars 31, and limit spring 34 plays spacing effect, and the elastic force of limit spring 34 can Prevent No. two hydraulically extensible bars 31 the most up motion from causing the phenomenon of spalling material grasping side chain 3;Two described material grabbing mechanisms 35 Being respectively symmetrically the both sides being arranged on No. two hydraulically extensible bars 31, material grabbing mechanism 35 includes a connecting rod 351, support column 352, two Number connecting rod 353 and grab bucket 354, described connecting rod 351 top is welded on the outer wall of fixed cover 32, a connecting rod 351 Bottom No. six hanger 351a are set, described support column 352 top is provided with No. seven hanger 352a, the left side of support column 352 No. eight hanger 352b it are provided with on wall, and No. six hanger 351a on No. seven hanger 352a of support column 352 and a connecting rod 351 Between be connected by bearing pin;Pin is passed through between No. five hanger 33a on No. two described connecting rod 353 one end and lower fixed cover 33 Axle is connected, and is connected by bearing pin between No. two connecting rod 353 other ends and No. eight hanger 352b on support column 352;Described Grab bucket 354 upper end be welded on the lower surface of support column 352.During work, after No. two hydraulically extensible bars 31 are started working, Piston rod on No. two hydraulically extensible bars 31 down moves, and drives lower fixed cover 33 to synchronize down to move, No. two hydraulically extensible bars 31 drive No. two connecting rods 353 to rotate, and No. two connecting rods 353 drive support bar 352 to rotate on a connecting rod 351, support bar 352 Drive grab bucket 354 rotation, it is achieved the action of material grasping, when after the grab bucket 354 all material graspings on two material grabbing mechanisms 35, and two are grabbed When 354 ends that struggle against are abutted together, the piston rod on No. two hydraulically extensible bars 31 drives lower fixed cover 33 up to move, and works as fortune Moving to correct position, moving frame 1 starts material grasping side chain 3 is carried out discharging work, repeatedly works complete to material handling.
Described T-shaped chute 13 and T-shaped slide rail 14 material are high-strength cast iron, it is ensured that T-shaped chute 13 and T-shaped slide rail The support strength of 14 so that the present invention works smoothly, jitter is little.
The described grab bucket 354 on two material grabbing mechanisms 35 uses the mounting means of move toward one another so that after two material graspings 354 lower ends of grabbing bucket are abutted together, and play the effect preventing material from dropping.
During work, first the present invention being arranged on existing grabbing arrangement, support equipment the most of the prior art starts to install; Support equipment of the prior art installs rear material grasping side chain 3 and starts working, after No. two hydraulically extensible bars 31 are started working, Piston rod on No. two hydraulically extensible bars 31 down moves, and drives lower fixed cover 33 to synchronize down to move, No. two hydraulically extensible bars 31 drive No. two connecting rods 353 to rotate, and No. two connecting rods 353 drive support bar 352 to rotate on a connecting rod 351, support bar 352 Drive grab bucket 354 rotation, it is achieved the action of material grasping, when after the grab bucket 354 all material graspings on two material grabbing mechanisms 35, and two are grabbed When 354 ends that struggle against are abutted together, the piston rod on No. two hydraulically extensible bars 31 drives lower fixed cover 33 up to move, and works as fortune Moving to correct position, moving frame 1 is started working;A number hydraulically extensible bar 17 is started working, a hydraulically extensible bar 17 Promoting two T-shaped slide rails 14 toward moving left, when driving material grasping side chain 3 to move to correct position, material grasping side chain 3 unloads material, Then a hydraulically extensible bar 17 is by the repetitive operation of two T-shaped slide rails 14, thus has reached purpose.
The ultimate principle of the present invention, principal character and advantage have more than been shown and described.Skilled person will appreciate that of the industry, The present invention is not restricted to the described embodiments, the principle that the present invention is simply described of the description in above-described embodiment and description, Without departing from the spirit and scope, the present invention also has various changes and modifications, and these changes and improvements both fall within In scope of the claimed invention.Claimed scope is defined by appending claims and equivalent thereof.

Claims (3)

1. a self-stabilization type hydraulic grab mechanism, it is characterised in that: include moving frame (1) and material grasping side chain (3), described Material grasping side chain (3) is welded on the lower end of moving frame (1);
Described moving frame (1) includes fixed station (11), mounting platform (12), two T-shaped chutes (13), two T Type slide rail (14), front fixed block (15), rear fixed block (16), hydraulically extensible bar (17), ear mount (18), grab Material matrix (19) and four fixing ears (110);Described fixed station (11) includes fixed block (11a), four pillars (11b) With lower fixed block (11c), upper fixed block (11a) is symmetrically arranged with four main installing holes, four pillar (11b) upper ends pair Claim the lower surface being welded on fixed block (11a), and four pillar (11b) lower ends are welded on lower fixed block (11c);Institute It is connected by welding manner between mounting platform (12) upper end stated with lower fixed block (11c);Two described T-shaped chutes (13) it is symmetrically welded on the left of the lower surface of mounting platform (12);Two described T-shaped slide rails (14) are separately mounted to two On individual T-shaped chute (13), and it is connected by sliding matching mode between T-shaped slide rail (14) with T-shaped chute (13); Described front fixed block (15) is welded on two T-shaped slide rails (14);It is flat that described rear fixed block (16) is welded on installation The right side of the lower surface of platform (12);Described hydraulically extensible bar (17) bottom is arranged on rear fixed block (16) by bolt On, and hydraulically extensible bar (17) front end is arranged on front fixed block (15) by an ear mount (18);Described grabs Material matrix (19) upper surface is welded on the lower end of two T-shaped slide rails (14), and material grasping matrix (19) lower surface is welded with and grabs Material side chain (3);Four described fixing ears (110) are symmetrically welded at the both sides, lower surface of mounting platform (12);
Described material grasping side chain (3) includes No. two hydraulically extensible bars (31), upper fixed cover (32), lower fixed cover (33), limit Position spring (34) and two material grabbing mechanisms (35), No. two described hydraulically extensible bar (31) tops are welded on material grasping matrix (19) On, the outer wall of No. two hydraulically extensible bars (31) is welded with fixed cover (32), the bottom weldering of No. two hydraulically extensible bars (31) It is connected to lower fixed cover (33);Two No. five hangers (33a) it are symmetrically arranged with on described lower fixed cover (33);Described is spacing Spring (34) is positioned between lower fixed cover (33) and No. two hydraulically extensible bars (31), and limit spring (34) is set in two On number hydraulically extensible bar (31);Two described material grabbing mechanisms (35) are respectively symmetrically and are arranged on No. two hydraulically extensible bars (31) Both sides, material grabbing mechanism (35) include a connecting rod (351), support column (352), No. two connecting rods (353) and grab bucket (354), Described connecting rod (351) top is welded on the outer wall of fixed cover (32), and the bottom of a connecting rod (351) is arranged No. six hangers (351a), described support column (352) top is provided with No. seven hangers (352a), a left side for support column (352) No. eight hangers (352b) it are provided with on sidewall, and on No. seven hangers (352a) of support column (352) and a connecting rod (351) No. six hangers (351a) between be connected by bearing pin;On No. two described connecting rod (353) one end and lower fixed cover (33) No. five hangers (33a) between be connected by bearing pin, No. two connecting rod (353) other ends and No. eight on support column (352) It is connected by bearing pin between hanger (352b);Described grab bucket (354) upper end is welded on the lower surface of support column (352) On.
A kind of self-stabilization type the most according to claim 1 hydraulic grab mechanism, it is characterised in that: described T-shaped chute (13) It is high-strength cast iron with T-shaped slide rail (14) material.
A kind of self-stabilization type the most according to claim 1 hydraulic grab mechanism, it is characterised in that: two described material grabbing mechanisms (35) grab bucket (354) on uses the mounting means of move toward one another.
CN201510333406.6A 2015-06-16 2015-06-16 A kind of self-stabilization type hydraulic grab mechanism Expired - Fee Related CN104925663B (en)

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CN201510333406.6A CN104925663B (en) 2015-06-16 2015-06-16 A kind of self-stabilization type hydraulic grab mechanism

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CN104925663B true CN104925663B (en) 2016-09-14

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110194412B (en) * 2019-06-28 2021-04-23 三一海洋重工有限公司 Gripping apparatus and material grabbing machine
CN114772262A (en) * 2022-04-19 2022-07-22 九江职业技术学院 Mechanical automation grabs material device

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CN102070078A (en) * 2010-12-07 2011-05-25 青岛港(集团)有限公司 Loading and unloading manipulator
CN202953715U (en) * 2012-11-28 2013-05-29 巫溪县国香养殖有限公司 Mobile grab bucket
CN204054074U (en) * 2014-08-27 2014-12-31 涂宇扬 A kind of adjustable mechanical grasping mechanism
CN204823717U (en) * 2015-06-16 2015-12-02 安庆市华鑫重工股份有限公司 From steady formula hydraulic grab mechanism

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Publication number Priority date Publication date Assignee Title
JPS5968438A (en) * 1982-10-14 1984-04-18 Hitachi Constr Mach Co Ltd Hydraulic clamshell bucket
JPH11335066A (en) * 1998-05-29 1999-12-07 Yoshikawa Kogyo Co Ltd Automatically bottom opening bucket

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Publication number Priority date Publication date Assignee Title
CN102070078A (en) * 2010-12-07 2011-05-25 青岛港(集团)有限公司 Loading and unloading manipulator
CN202953715U (en) * 2012-11-28 2013-05-29 巫溪县国香养殖有限公司 Mobile grab bucket
CN204054074U (en) * 2014-08-27 2014-12-31 涂宇扬 A kind of adjustable mechanical grasping mechanism
CN204823717U (en) * 2015-06-16 2015-12-02 安庆市华鑫重工股份有限公司 From steady formula hydraulic grab mechanism

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