Angle indicating plate, angle indicating device for cranes and installing method of angle indicating device for cranes
A technology of signs and cranes, applied in the directions of cranes, transportation and packaging, load hanging components, etc., can solve problems such as the difficulty of eliminating the deviation of the main boom of the crane
Active Publication Date: 2013-10-30
XCMG CONSTR MACHINERY
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- Application Information
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Problems solved by technology
It solves the technical problem that the deviation between the angle indicated by the signboard and the position of the main arm of the crane is difficult to eliminate in the prior art
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[0041] Below through the accompanying drawings figure 2 and image 3 As well as listing some optional embodiments of the present invention, the technical solution of the present invention is further described in detail. It should be noted that: any technical feature and any technical solution in this embodiment are one or more of a variety of optional technical features or optional technical solutions. All the alternative technical features and alternative technical solutions of the present invention are cited, and it is not convenient for the implementation of each technical feature to emphasize that it is one of the optional multiple implementation modes, so those skilled in the art should know: Any technical features and any technical solutions in the embodiments do not limit the protection scope of the present invention, and the protection scope of the present invention should include any alternative technical solutions that those skilled in the art can think of without ...
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The invention discloses an angle indicating plate, an angle indicating device for cranes, and an installing method of the angle indicating device for the cranes, relates to the technical field of engineering machinery, and solves the technical problem that in the prior art a deviation between an angle indicated by an indicating plate and the position of a main boom of a crane is difficult to eliminate. The angle indicating plate comprises an angle indicating plate body, angle logos, a central through hole and at least one positioning through hole, wherein the angle logos are arranged on the angle indicating plate body, the central through hole and the at least one positioning through hole are formed in the angle indicating plate body, and the at least two angle logos are distributed on the angle indicating plate body one by one along a first arc line; the positioning through hole is an arc-line shaped arc groove, and the arc groove extends along a second arc line; the circle center of the first arc line, the circle center of the second arc line and the circle center of the central through hole are coincided. The angle indicating device for the cranes comprises the angle indicating plate provided by the invention, a bracket and a boom reinforcement plate, wherein the boom reinforcement plate is fixedly connected with the bracket. The angle indicating device for the cranes, disclosed by the invention, is used for reducing the regulation difficulty of angles indicated by the angle indicating plate.
Description
technical field [0001] The invention relates to the technical field of engineering machinery, and in particular to an angle indicator, an angle indicating device for a crane provided with the angle indicator and a method for installing the angle indicating device for a crane. Background technique [0002] The crawler crane is a crane with a lattice boom structure using a crawler chassis. The angle indicator plate is a structural part on the main arm of a crane, especially a crawler crane, used to indicate the elevation angle of the main arm. [0003] The angle indicator on the crawler crane is required to accurately indicate the elevation angle of the main arm, so that the operator can accurately grasp the working state and working position of the main arm. In the prior art, the bracket is usually first welded to the jib reinforcement plate on the main arm, and then the angle indicator is mounted on the bracket with screws. The boom reinforcement plate is used to increase ...
Claims
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Login to View More IPC IPC(8): B66C13/16B66C23/62
Inventor 孙影曾芳成陈卫东余钦伟
Owner XCMG CONSTR MACHINERY