Double-cylinder and double-pull-rod grab bucket
A technology of double tie rods and double oil cylinders, which is applied in the direction of load hanging components, transportation and packaging, etc., can solve the problems of loose closure of bucket body, jamming, uneven force on bucket body, etc., and achieve high action synchronization rate and strong Uniform, tightly closed effect
Inactive Publication Date: 2016-01-06
SHANGHAI JINTAI ENG MACHINERY
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Problems solved by technology
[0002] The traditional grab uses a single oil cylinder on one side to drive the opening and closing of the two-lobed bucket body through a pair of connecting rods. In this way, the problem is that the bucket body is unevenly stressed, resulting in the bucket body not being closed tightly, and it is easy to be stressed on one side for a long time. Cause the bucket body gap to become larger, resulting in stuck phenomenon
Method used
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Embodiment Construction
[0009] The present invention is further illustrated below by specific examples.
[0010] Such as figure 1 , figure 2 As shown, a double-cylinder double-tie-rod grab includes a guide frame body 1, an oil cylinder 3, a bucket body 4, a pull plate 5, a lifting pulley block 2, a control box body 6, a deflection correction push plate 7 and a guide slider 8. The frame body 1 is a box structure, the guide slider 8 can slide up and down in the guide frame body 1, there are two oil cylinders 3 arranged symmetrically, and one end of each oil cylinder 3 is rotatably connected to the guide frame body 1 , the other end is rotatably connected with the bucket body 4, and the pull plate 5 has two pieces and is also symmetrically arranged, and one end of each pull plate 5 is rotatably connected with the guide slider 8, and the other end is rotatably connected with the bucket body 4, and the lifting pulley block 2 is provided On the top of the guide frame body 1, the deviation correction pus...
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The invention relates to the field of construction machinery and particularly relates to a double-cylinder and double-pull rod grab bucket; the double-cylinder and double-pull rod grab bucket comprises a guide frame body, two oil cylinders, a hopper body, two pull plates and a guide sliding block, and is characterized in that the guide frame body adopts a box type structure, the guide sliding block can be arranged inside the guide frame body in an up and down sliding manner, the two oil cylinders are symmetrically arranged, one end of each oil cylinder is rotatablely connected to the interior of the guide frame body, the other end of each oil cylinder is rotatablely connected to the hopper body, the two pull plates are symmetrically arranged, one end of each pull plate is connected with the guide sliding block in a rotating manner, and the other end of each pull plate is connected with the hopper body in a rotating manner, therefore, when the oil cylinders on the two sides extend outwards, the hopper body is pushed to be closed, meanwhile, the two pull plates are pushed to act simultaneously, and the two sides of the guide sliding block are connected with the pull plates so that left and right synchronous rates of the hopper body are kept to be consistent. By adopting the design that the oil cylinders and the pull plates are symmetrically arranged, the oil cylinders and the pull plates on the two sides are enabled to act simultaneously through the guide sliding block, force stressed on the two sides of the grab bucket is even, the action synchronous rates of the two pieces of half hopper bodies are high, and the hopper body is enabled to be tightly closed finally.
Description
technical field [0001] The invention relates to the field of construction machinery, in particular to a grab bucket with double oil cylinders and double tie rods. Background technique [0002] The traditional grab uses a single oil cylinder on one side to drive the opening and closing of the two-lobed bucket body through a pair of connecting rods. In this way, the problem is that the bucket body is unevenly stressed, resulting in the bucket body not being closed tightly, and it is easy to be stressed on one side for a long time. As a result, the bucket body gap becomes larger, resulting in a stuck phenomenon. Contents of the invention [0003] The object of the present invention is to provide a grab bucket with force exerted on both sides so that the force on the bucket body is uniform. [0004] In order to achieve the above object, the present invention is achieved in that: [0005] A double-cylinder double-tie-rod grab, which includes a guide frame body, an oil cylinde...
Claims
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Inventor 梁社安李道华张祖林胡华斌周莎莎
Owner SHANGHAI JINTAI ENG MACHINERY