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河南理工大學(xué)萬(wàn)方科技學(xué)院本科畢業(yè)設(shè)計(jì)論文
摘 要
目前我國(guó)許多煤礦礦井已經(jīng)轉(zhuǎn)向中、深部開(kāi)采，礦井提升設(shè)備作為煤礦的關(guān)鍵設(shè)備，在礦井機(jī)械化生產(chǎn)中占有重要地位。制動(dòng)器是提升機(jī)(提升絞車(chē))的重要組成部分之一，直接關(guān)系著提升機(jī)設(shè)備的安全運(yùn)行。多繩摩擦提升機(jī)具有體積小、質(zhì)量輕、安全可靠、提升能力強(qiáng)等優(yōu)點(diǎn)，適用于較深的礦井提升。本文針對(duì)JK型提升機(jī)，對(duì)其制動(dòng)系統(tǒng)進(jìn)行設(shè)計(jì)。在對(duì)提升機(jī)的制動(dòng)器選型過(guò)程中，因盤(pán)式制動(dòng)器是近年來(lái)應(yīng)用較多的一種新型制動(dòng)器，它以其獨(dú)特的優(yōu)點(diǎn)及良好的安全性能被廣大用戶認(rèn)可，特別是在結(jié)合了液壓系統(tǒng)和PLC 控制之后，液壓系統(tǒng)和PLC 超強(qiáng)的控制性能為盤(pán)式制動(dòng)器的應(yīng)用提供了巨大的工作平臺(tái)。制動(dòng)盤(pán)的制動(dòng)力，靠油缸內(nèi)充入油液而推動(dòng)活塞來(lái)壓縮盤(pán)式彈簧來(lái)實(shí)現(xiàn)。
液壓盤(pán)式制動(dòng)器作為最新一種制動(dòng)器，具有許多優(yōu)點(diǎn)，所以它在現(xiàn)代多種類型提升機(jī)中獲得廣泛的應(yīng)用。它具有制動(dòng)力大、工作靈活性穩(wěn)定、敏感度高等特點(diǎn)，對(duì)生產(chǎn)安全具有重要意義。
關(guān)鍵詞：提升機(jī)；單繩摩擦；制動(dòng)器；設(shè)計(jì)；液壓傳動(dòng)。
Abstract
Currently many of our coal mine has turned to deep mining. Mine coal upgrading equipment as the key equipment holds an important position in mechanized production of the mine. The brakes are one of the important components of a direct bearing on hoistthe safe operation of equipment. Multi-rope friction hoist with small size, light weight, safe, reliable, and strong ability to upgrade apply to the deeper mine hoist. In this paper, the braking system for JK type hoist have been designed. In the hoist brake selection process, because in recent years disc brake is used in the new brakes It's unique strengths and good safety performance recognized by the majority of use。Especially in the light of the hydraulic control system and the PLC, Hydraulic System and PLC super performance of the disc brake provide tremendous platform for the work. Brake disc braking force and rely on the fuel tank filled with oil that drives the piston to compress spring to achieve Disc.
Hydraulic disc brakes as the latest development of a brake, which has many advantages. Therefore it in a modern aircraft types to upgrade gain wider application. It is the braking force, flexibility stability, high sensitivity; on production safety is of great significance.
Keywords: Hoist; Multi-rope friction; Brake; Design; Hydraulic drive.