The self mixing concrete mixer is generally large in size, which is difficult to drive. It has a high center of gravity, is easy to roll over, and has a large load mass. When driving, the inertia is relatively large. When parking, whether on the flat ground or on the slope, the parking brake must be used. The parking brake is called handbrake for short. The use effect of handbrake will decline with the increase of use times. Sometimes During operation, I feel that the handbrake has been applied, but in fact, the failure or failure of the handbrake causes an accident. Therefore, the maintenance of the parking brake is also very important.

自拌水泥自動(dòng)攪拌車的駐車制動(dòng)系統(tǒng)是作用在后輪上，而因?yàn)楹筝喼苿?dòng)器的形式不同，駐車制動(dòng)有兩種工作環(huán)境：在安裝鼓式制動(dòng)器的后輪上，由于鼓式制動(dòng)器本身就可以兼做駐車制動(dòng)器，因此在駐車時(shí)剎車鼓內(nèi)的蹄片和摩擦片相結(jié)合，這樣就可以產(chǎn)生動(dòng)力；而在安裝蝶式制動(dòng)器的后輪上，由于沒有剎車鼓，因此就必須在剎車碟片的部位安裝額外的駐車鼓來(lái)是駐車制動(dòng)完成制動(dòng)工作。準(zhǔn)確的說(shuō)，就是自拌水泥自動(dòng)攪拌車的駐車制動(dòng)系統(tǒng)的內(nèi)部裝有棘輪和棘爪，在將手剎拉起后，棘爪就會(huì)卡在棘輪上，使手剎自動(dòng)鎖緊，這也就是我們?cè)诶o手剎手柄的同時(shí)會(huì)聽到“咔嗒”聲響的原因。

The parking brake system of the self mixing concrete mixer works on the rear wheel. Because of the different forms of the rear wheel brake, there are two working environments for the parking brake: on the rear wheel with the drum brake installed, the drum brake itself can also act as the parking brake, so when parking, the shoes and friction plates in the brake drum are combined to generate power; when installing On the rear wheel with butterfly brake, since there is no brake drum, additional brake drum must be installed in the center of brake disc to complete the brake work. To be exact, the parking brake system of the self mixing concrete mixer is equipped with ratchet and pawl. After the hand brake is pulled up, the pawl will be stuck on the ratchet, making the hand brake lock automatically, which is the reason why we can hear "click" sound when tightening the hand brake handle.

自拌水泥自動(dòng)攪拌車在手剎手柄的底部和銅纜的連接處有一個(gè)可調(diào)的補(bǔ)償機(jī)構(gòu)，使用扳手松開鎖緊的螺帽，就可以拉伸剎車銅纜的長(zhǎng)度，如果在檢查中，我們發(fā)現(xiàn)手剎的制動(dòng)效果或靈敏度不理想，就可以通過(guò)調(diào)節(jié)這個(gè)手剎操作銅纜來(lái)問(wèn)題。手剎失靈造成事故的現(xiàn)象屢見不鮮，不僅僅是攪拌車，其它車輛，比如乘用車、隨車吊、清障等等剎車失靈都容易造成事故，一定要經(jīng)常檢查自己愛車的手剎，發(fā)現(xiàn)問(wèn)題，及時(shí)處理。

The self mixing concrete mixer has an adjustable compensation mechanism at the bottom of the handbrake handle and the connection of the copper cable. If the wrench is used to loosen the lock nut, the length of the brake copper cable can be stretched. If in the inspection, we find that the brake effect or sensitivity of the handbrake is not ideal, we can adjust the handbrake to operate the copper cable to solve the problem. It is not uncommon for the handbrake failure to cause accidents, not only for the mixer, but also for other vehicles, such as passenger cars, on-board cranes, obstacle clearance and so on. It is necessary to check the handbrake of your car frequently, find out the problems, and deal with them in time.

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