Double-cylinder four-linkage-bar lifting mechanism
A lifting mechanism and four-link technology, applied in the direction of lifting devices, etc., can solve the problems of unstable lifting structure and affecting handling efficiency, etc.
Active Publication Date: 2016-02-24
SUZHOU PIONEER MATERIAL HANDLING EQUIP & TECH
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Problems solved by technology
[0002] Most of the existing trucks use a single lifting cylinder. The lower end of the lifting cylinder is connected to the rear frame, and the upper end is connected to the front frame. Such a lifting structure is unstable and affects the handling efficiency.
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[0016] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0017] attached Figure 1-5 It is a double-cylinder four-link lifting mechanism according to the present invention, which includes a front frame 1, a rear frame 7, a lifting cylinder 3, a rocker arm assembly 12, a tie rod assembly 13, and a front wheel support plate 15; Both sides of the rear frame 7 are respectively provided with two parallel lifting cylinder support plates 8; both sides of the rocker arm assembly 12 are provided with mutually parallel outer rocker arm plates 17 and inner rocker arm plates 18 ; The same side of the outer rocker arm plate 17 and the inner rocker arm plate 18 is provided with a first through hole and a second through hole through, and the other side of the outer rocker arm plate 17 is provided with a third through hole; The bottom of the third through hole and the rear frame 7 is hingedly connected wi...
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The invention discloses a double-cylinder four-linkage-bar lifting mechanism. The double-cylinder four-linkage-bar lifting mechanism comprises a front frame, a rear frame, hoisting cylinders, a rocker arm assembly, pull rod assemblies and front wheel support plates. Two parallel hoisting cylinder supporting plates are arranged on the two sides of the rear frame respectively. An outer rocker arm plate and an inner rocker arm plate which are parallel to each other are arranged on the two sides of the rocker arm assembly respectively. First through holes and second through holes which are through are formed in the same sides of the outer rocker arm plate and the inner rocker arm plate. A third through hole is formed in the other side of the outer rocker arm plate and connected with the bottom of the rear frame in a hinged manner. The second through holes are connected with the bottom of the front frame in a hinged manner. Two front legs are symmetrically arranged at the front end of the front frame. The front ends of the front legs are connected with front wheel supports in a hinged manner. The front ends of the pull rod assemblies are connected with the front wheel supports in a hinged manner, and the rear ends of the pull rod assemblies are connected with the first through holes in a hinged manner. The lower ends of the hoisting cylinders are connected with the hoisting cylinder supporting plates in a hinged manner, and the upper ends of the hoisting cylinders are connected with the front frame. The front frame can rise and fall through stretching and retreating of piston rods of the hoisting cylinders, the structure is simple, and maintenance is convenient.
Description
technical field [0001] The invention relates to a lifting mechanism, in particular to a four-link lifting mechanism using double cylinders. Background technique [0002] Most of the existing trucks use a single lifting cylinder, the lower end of the lifting cylinder is connected to the rear vehicle frame, and the upper end is connected to the front vehicle frame. Such a lifting structure is unstable and affects the handling efficiency. For this reason, we have developed a kind of four-link lifting mechanism that adopts double cylinder. Contents of the invention [0003] The object of the present invention is to provide a four-link lifting mechanism using double cylinders in order to overcome the deficiencies of the prior art. [0004] In order to achieve the above object, the technical solution adopted by the present invention is: a double-cylinder four-link lifting mechanism, including a front frame, a rear frame, a lifting cylinder, a rocker arm assembly, a tie rod ...
Claims
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IPC IPC(8): B66F9/22
Inventor 刘献昌
Owner SUZHOU PIONEER MATERIAL HANDLING EQUIP & TECH