Development machine and floating sealing device thereof

A floating seal, roadheader technology, applied in the direction of engine seal, cutting machinery, slitting machinery, etc., can solve the problems of high processing cost, affect the axial distance, affect the sealing effect, etc., and meet the requirements of reducing processing and assembly. , The effect of overcoming the error of the axial distance and reducing the processing cost

Active Publication Date: 2010-12-01
益阳市科技成果转化服务中心 +1
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

During the working process of the floating sealing device, the requirements for the axial distance between the first connecting seat and the second connecting seat are relatively strict. If the axial distance is too large, the sealing effect will be affected. Due to the high frictional force, it will seriously affect the service life of the floating sealing device; at present, the distance between the first connecting seat and the second connecting seat is generally controlled to ensure the distance between the two, however, the first connecting seat and the second connecting ...

Method used

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  • Development machine and floating sealing device thereof
  • Development machine and floating sealing device thereof
  • Development machine and floating sealing device thereof

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Embodiment Construction

[0021] The core of the present invention is to provide a floating sealing device for roadheaders, the error of the axial distance between the two connecting seats is small, the performance is high, and the requirements for the processing and assembly of the parts are low, so that Has a lower production cost. Another core of the present invention is to provide a roadheader comprising the above-mentioned floating sealing device.

[0022] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0023] Please refer to figure 1 with figure 2 , figure 1 It is a structural schematic diagram of a specific embodiment of the floating sealing device used in the roadheader provided by the present invention; figure 2 for figure 1 Enlarged view of part A in Fig.

[0024] In a specific embod...

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Abstract

The invention discloses a floating sealing device for a development machine, which comprises a first connection base (2) arranged on a rotary main shaft (1) of the development machine and a second connection base (4) arranged on a protective shell (3) of the development machine, wherein the first connection base (2) and the second connection base (4) have preset distance in the axial direction of the rotary main shaft (1); and the first connection base (2) is movably connected with the rotary main shaft (1) in the axial direction of the rotary main shaft (1). The floating sealing device overcomes the defect of error caused by mismachining tolerance, of the axial distance of the two connection bases, improves the operational performance, and simultaneously, reduces the requirements on machining and assembly of parts of the floating sealing device, so the machining cost is reduced. The invention also discloses the development machine with the floating sealing device.

Description

technical field [0001] The invention relates to the technical field of coal mining equipment, in particular to a floating sealing device for a roadheader. The invention also relates to a roadheader comprising the above-mentioned floating sealing device. Background technique [0002] With the rapid development of my country's economic construction, the coal industry continues to develop in the direction of mechanization and automation, and comprehensive mechanized coal mining equipment is more and more widely used in coal production under various geological conditions. [0003] In the operation of mechanized coal mining, the roadheader is one of the main mining equipment, and the excavation of the roadway is realized through the rotary cutting of the cutting head. The roadheader mainly includes a cutting head for excavating the roadway. The cutting head is an important part of the cutting part of the roadheader. The cutting part also includes a rotating main shaft. The cutti...

Claims

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Application Information

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IPC IPC(8): E21C25/00E21C35/22F16J15/16F16J15/32
Inventor 牛建强朱朋飞李章博荣清白马月月常龙魏成刚
Owner 益阳市科技成果转化服务中心
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