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Forged type pull plate and manufacturing method thereof

A manufacturing method and a technology of drawing plates, which are applied in metal processing equipment, cranes, etc., can solve problems such as difficult shaping, low fatigue resistance, and low utilization rate of raw materials, so as to improve safety performance, increase service life, and be beneficial to paint The effect of attachment

Inactive Publication Date: 2016-07-27
XCMG CONSTR MACHINERY
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0011] The purpose of the present invention is to overcome the deficiencies in the prior art, to provide a forged drawing plate, to solve the problem that the drawing plate is obtained by cutting and blanking the high-strength steel plate in the prior art, which leads to low utilization rate of raw materials, low fatigue resistance, and difficult Plastic and other technical issues

Method used

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  • Forged type pull plate and manufacturing method thereof
  • Forged type pull plate and manufacturing method thereof

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Embodiment Construction

[0029] The present invention will be further described below in conjunction with the accompanying drawings. The following examples are only used to illustrate the technical solution of the present invention more clearly, but not to limit the protection scope of the present invention.

[0030] Such as figure 1 , figure 2 As shown, the forged pull plate includes a round steel main body 1, and the cross-sectional diameter of the round steel main body 1 is not less than 30 mm. Both ends of the round steel body 1 are respectively forged with pull plate joints 2 . A joint hole 3 is opened on the draw plate joint 2 . The pull plates can be connected by pin shafts.

[0031] The present invention also discloses a method for manufacturing a forged pull plate, which is suitable for the above-mentioned forged pull plate, and specifically includes the following steps:

[0032] Step 1: Take the round steel as the raw material, and cut the material to the required size;

[0033] Step...

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Abstract

The invention discloses a forged type pull plate. The forged type pull plate comprises a round steel body; the two ends of the round steel body are each provided with a pull plate connector in a forged manner; and connector holes are formed in the pull plate connectors. The invention further discloses a manufacturing method of the forged type pull plate. Round steel serves as raw materials, and blanking is performed till the needed size is achieved; molds are adopted at the two ends of the round steel for forging so that the pull plate connectors can be formed; and the connector holes are formed in the two pull plate connectors in a machined manner. By means of the forged type pull plate and the manufacturing method of the forged type pull plate, the rolled steel utilizing rate of the pull plate can be remarkably increased, the anti-fatigue performance of the pull plate is enhanced, good corrosion resistant performance is achieved through attachment of oil paint, the pull plate is applied to a truss arm type crane, and the safety performance of the truss arm type crane can be obviously improved.

Description

technical field [0001] The invention relates to a forged pull plate, and also relates to a manufacturing method of the forged pull plate. Background technique [0002] The lattice jib crane is a kind of crane that adopts a space four-limb truss structure. According to different lifting tasks, the corresponding jib working conditions are selected. At present, the top section arm of the main arm of the medium and large tonnage lattice jib crane is generally connected with the top of the superlift mast by a tie plate. [0003] The pull plates of lattice boom cranes are generally obtained by cutting and blanking high-strength steel plates, and there are the following technical problems: [0004] 1) Due to the shape design, the utilization rate of raw materials is low, and bumps are prone to occur during handling. [0005] 2) After cooling to room temperature, the actual length of the drawing plate is shorter than the theoretical length due to the effect of thermal expansion an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B66C23/62B21J5/02B21J5/08B21J1/06
CPCB66C23/62B21J1/06B21J5/02B21J5/08
Inventor 邓永玖周鑫淼赵世航李新群
Owner XCMG CONSTR MACHINERY
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