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Concrete pump, spectacle plate for concrete pump and manufacturing method thereof

A technology for concrete pumps and manufacturing methods, which is applied to the components of pumping devices for elastic fluids, pump elements, variable displacement pump components, etc., and can solve the problem of large brazing area of ​​spectacle plates, large deformation of spectacle plates, and waste Carbide and other problems, to achieve the effect of reducing maintenance costs, ensuring processing accuracy and preventing secondary welding deformation

Active Publication Date: 2016-02-24
SANY AUTOMOBILE MFG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of this, the present invention proposes a concrete pump and a concrete pump spectacle plate and a manufacturing method to solve the problem that the spectacle plate has a large brazing area and irregular shape, resulting in large deformation of the spectacle plate, resulting in excessive subsequent machining allowance, Serious waste of cemented carbide

Method used

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  • Concrete pump, spectacle plate for concrete pump and manufacturing method thereof
  • Concrete pump, spectacle plate for concrete pump and manufacturing method thereof
  • Concrete pump, spectacle plate for concrete pump and manufacturing method thereof

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Embodiment Construction

[0023] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0024] Combine below Figures 1 to 3 , the preferred embodiment of the present invention will be further described in detail, and the spectacle plate of the concrete pump in this preferred embodiment is taken as an example:

[0025] Such as figure 1 As shown, the spectacle plate of the concrete pump provided by the present invention includes a body 1 and two wear rings 2 . Such as figure 2 As shown, a first hole 10 and a second hole 11 are opened on the body 1, and two wear rings 2 are embedded in the first hole 10 and the second hole 11 respectively. Such as image 3 with Figure 4 As shown, the hard alloy layer 3 with high hardness and high wear resistance is brazed on the wear-resistant...

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Abstract

The invention discloses a spectacle plate of a concrete pump, which comprises a body and two wear-resistant rings. The body is provided with a first hole and a second hole, and the two wear-resistant rings are embedded in the first hole and the second hole respectively. , a cemented carbide layer is brazed on the wear-resistant surface of the wear-resistant ring, an inner hole is opened on the wear-resistant ring, a first surfacing layer is arranged on the inner wall of the inner hole, and the first hole and the second hole A second surfacing layer is provided on the wear-resistant surface of the intersecting liner. The invention also provides a concrete pump and a method for manufacturing the spectacle plate of the concrete pump. The invention solves the problems of large brazing area and irregular shape of the spectacle plate, resulting in large deformation of the spectacle plate, excessive subsequent machining allowance, and serious waste of hard alloy. The spectacle plate of the invention has good wear resistance and sealing performance, can be produced automatically and continuously, and has low manufacturing cost.

Description

technical field [0001] The invention relates to the field of engineering machinery, in particular to a spectacle plate for a concrete pump and a manufacturing method. Background technique [0002] The spectacle plate and cutting ring are the wear-resistant parts of the concrete pump and also the key vulnerable parts of the concrete pump. The spectacle plate is installed on the rear wall of the hopper, and there are generally two inner holes on it, which are respectively connected to the delivery cylinder; The cutting ring is installed on the S valve, which has an inner hole. During the pumping operation, the S valve swings, and the inner hole of the cutting ring communicates with the inner hole of the spectacle plate alternately. During the pumping process, the spectacle plate and the cutting ring are subjected to large friction and impact forces, and their wear resistance, sealing performance and service life have always been important indicators that affect the overall qu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B53/00B23P15/00
Inventor 卢尚文欧耀辉周水波
Owner SANY AUTOMOBILE MFG CO LTD
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