Elevation-type material-fetching device for mining-use automatic-feeding concrete jet machine
A concrete sprayer and automatic feeding technology, which is applied in the field of mining machinery, can solve the problems of high labor intensity and low work efficiency, and achieve the effects of high automation, high work efficiency and convenient transportation
Inactive Publication Date: 2013-01-02
徐州中部矿山设备有限公司
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Problems solved by technology
Due to the narrow working site in the mine, the mine car is not necessarily close to the shotcrete machine, sometimes the two are far apart, and the concrete must be transported to the shotcrete machine manually, which is labor-intensive and low-efficiency
Method used
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[0018] Such as figure 1 , figure 2 and image 3 Shown: a mine-used automatic feeding concrete jetting machine with a lifting type mining device, which includes: a chain 2, a driving sprocket 11, a passive sprocket 1, a bucket 3 and a bracket. The chains 2 are two symmetrically arranged closed chains, and the closed chains bypass the driving sprocket 11 and the driven sprocket 1 . The bucket 3 is installed on two chains 2 through a bolt assembly. The driven sprocket 1 is inserted into the mine car equipped with dry concrete, and the drive sprocket 11 is located at the upper part of the feed port of the concrete mixing device of the injection unit; the drive sprocket 11 is driven by a hydraulic motor 17, and the hydraulic motor 17 It is connected with the hydraulic pump station of the injection unit through the hydraulic pipeline. It is characterized in that: the support is composed of two parts: a fixed support 10 and a lifting support 9, the fixed support 10 is a steel st...
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The invention discloses an elevation-type material-fetching device for a mining-use automatic-feeding concrete jet machine. The invention relates to the technical field of concrete jet machines. According to the invention, a fixed support is connected with an elevation support through a guide rail and a guide wheel assembly. An elevation cylinder is arranged between the fixed support and the elevation support. Driving sprockets are arranged on the fixed support. Driven sprockets are arranged on the elevation support. Tension sprockets are arranged at the middle of chains. Internal-pressure sprockets are arranged on the fixed support. External-pressure sprockets are arranged on the elevation support. During a material-fetching process, with the reduction of dry materials in a mine car, the elevation cylinder drives the elevation support to move downward, and digging buckets fetch all the concrete dry materials in the mine car. Forward and reverse screws concentrate concrete on two ends of the mine car towards the digging buckets, and the digging buckets fetch all the concrete dry materials from the mine car with no dead angle. With the actions of the internal-pressure sprockets and the external-pressure sprockets, when the working position of the elevation support is at any point, the tightness of the chains is not changed, and the chains are in a tensioned state.
Description
technical field [0001] The invention relates to a mining machine, in particular to an elevating type mining device used on a mining automatic feeding concrete injection unit. Background technique [0002] At present, before coal mines use a shotcrete machine to carry out concrete spraying operations, the shotcrete machine must be placed according to the needs and possibilities of the construction site. The mine truck transports the dry concrete to the job site, and the finished concrete mixed with water is sent to the concrete sprayer, which sprays it onto the rock wall. Due to the narrow working site in the mine, the mine car is not necessarily close to the shotcrete machine, sometimes the two are far apart, and the concrete must be manually transported to the shotcrete machine, which is labor-intensive and low in efficiency. The applicant invented a "Mine Automatic Feeding Concrete Injection Unit", and has applied for national invention and utility model patents (applicat...
Claims
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Inventor 王锟尚玉征刘昊
Owner 徐州中部矿山设备有限公司