The utility model belongs to the field of automobile processing, in particular, a drum type welding brake shoe of a high rigidity heavy duty truck is disclosed, including a hoof plate, a rib plate, a pin hole and a shaft hole, an active slot in the shaft hole, an active cavity and a through hole, the movable cavity is connected with a movable slot and a through hole, and a arc plate is connected in the movable slot. Arc plate is connected in a movable slot. Arc plate is connected in a movable slot. Arc plate is connected in a movable slot. Arc plate is connected in a movable slot. Arc plate is connected in a movable slot. Arc plate is connected in a movable slot. Arc plate is connected in a movable slot. Arc plate is connected in a movable slot. Arc plate is connected in a movable slot. Arc plate is connected in a movable slot. Arc plate is connected in a movable slot. Arc plate is connected in a movable slot. Arc plate is connected in a movable slot. Arc plate is connected in a movable slot. Arc plate is connected in a movable slot. Arc plate is connected in a movable slot. Arc A first elastic piece is arranged between the shape plate and the ring, and second elastic parts are arranged between the ring and the shaft hole. The movable cavity is connected with a rotating shaft and a gear is mounted on the rotating shaft. The gear is meshed with a first rack and second teeth on the gear. The end of the first rack is connected with the arc plate, and the fixed end of the second rack is connected to the air bag, second The free end of the rack is connected with third elastic parts, and the ends of the third elastic parts are fixed in the movable cavity. This scheme can slow down the deformation of the stiffened plate, and can prevent the dust and other impurities attached to the bottom of the stiffener to influence the work of the roller shaft, so as to prolong the service life of the brake shoe.
【技术实现步骤摘要】
高刚度重型汽车鼓式焊接制动蹄
本技术属于汽车加工领域,尤其涉及一种制动部件。
技术介绍
制动器作为汽车行驶的安全部件,在汽车减速和制动时起着至关重要的作用,制动蹄则是制动器的重要组成部分。制动器在工作时,凸轮作用于滚轮上,使滚轮轴与轴孔相抵,滚轮轴推动筋板和蹄板向外张开,从而使安装在蹄板上的摩擦片与制动鼓产生摩擦并起到制动或减速的作用。此过程中,轴孔长期受到滚轮轴的挤压容易产生磨损,且轴孔受到的力会最终反应在筋板和蹄板上,使得筋板和蹄板很容易产生变形,而蹄板和筋板的变形会缩短制动蹄的使用寿命并影响制动器的制动或减速效果,严重时还会危及司机的人身安全。
技术实现思路
本技术的目的在于提供一种高刚度重型汽车鼓式焊接制动蹄,以解决
技术介绍
中制动蹄使用寿命较短的问题。为了达到上述目的,本技术的基础方案提供高刚度重型汽车鼓式焊接制动蹄,包括蹄板,所述蹄板上垂直连接有筋板,所述筋板的一端设有支销孔,筋板的另一端设有轴孔,所述轴孔内开有活动槽,筋板靠近轴孔的部位设有活动腔和通孔,所述活动腔与活动槽、通孔相连通;活动槽内滑动连接有弧形板,所述弧形板上连接有若干根第一弹性件,所述第一弹性件远离弧形板的一端共同连接有可容纳滚轮轴穿过的套环,所述套环与轴孔之间设有若干根第二弹性件;活动腔内转动连接有转轴,所述转轴上安装齿轮,所述齿轮上分别啮合有第一齿条和第二齿条,活动腔内设有第一限位板和第二限位板,所述第一齿条滑动连接在第一限位板内,且第一齿条的端部与弧形板相连,所述第二齿条滑动连接在第二限位板内,且第二齿条的固定端连接有气囊,第二齿条的自由端连接有第三弹性件,所述第三弹性件的端部固定 ...
【技术保护点】
高刚度重型汽车鼓式焊接制动蹄,包括蹄板,所述蹄板上垂直连接有筋板,所述筋板的一端设有支销孔,筋板的另一端设有轴孔,其特征在于,所述轴孔内开有活动槽,筋板靠近轴孔的部位设有活动腔和通孔,所述活动腔与活动槽、通孔相连通;活动槽内滑动连接有弧形板,所述弧形板上连接有若干根第一弹性件,所述第一弹性件远离弧形板的一端共同连接有可容纳滚轮轴穿过的套环,所述套环与轴孔之间设有若干根第二弹性件;活动腔内转动连接有转轴,所述转轴上安装齿轮,所述齿轮上分别啮合有第一齿条和第二齿条,活动腔内设有第一限位板和第二限位板,所述第一齿条滑动连接在第一限位板内,且第一齿条的端部与弧形板相连,所述第二齿条滑动连接在第二限位板内,且第二齿条的固定端连接有气囊,第二齿条的自由端连接有第三弹性件,所述第三弹性件的端部固定在活动腔内;所述气囊安装在通孔内,气囊设有进气口和出气口,所述进气口和出气口内均安装有单向阀,且出气口与筋板底面持平。
【技术特征摘要】
1.高刚度重型汽车鼓式焊接制动蹄,包括蹄板,所述蹄板上垂直连接有筋板,所述筋板的一端设有支销孔,筋板的另一端设有轴孔,其特征在于,所述轴孔内开有活动槽,筋板靠近轴孔的部位设有活动腔和通孔,所述活动腔与活动槽、通孔相连通;活动槽内滑动连接有弧形板,所述弧形板上连接有若干根第一弹性件,所述第一弹性件远离弧形板的一端共同连接有可容纳滚轮轴穿过的套环,所述套环与轴孔之间设有若干根第二弹性件;活动腔内转动连接有转轴,所述转轴上安装齿轮,所述齿轮上分别啮合有第一齿条和第二齿条,活动腔内设有第一限位板和第二限位板,所述第一齿条滑动连接在第一限位板内,且第一齿条的端部与弧形板相连,所述第二齿条滑动连接在第二限位板内,且第二齿条的固定端连接有气囊,第二齿条的自由端连接有第三弹性件,所述第三弹性件的端部固定在活动腔内;所述气囊...
【专利技术属性】
技术研发人员:康中帝,刘学义,
申请(专利权)人:重庆中帝机械制造股份有限公司,
类型:新型
国别省市:重庆,50
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