CN103375514A - Wet-type multi-piece hydraulic parking brake - Google Patents

Wet-type multi-piece hydraulic parking brake Download PDF

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Publication number
CN103375514A
CN103375514A CN2012101095993A CN201210109599A CN103375514A CN 103375514 A CN103375514 A CN 103375514A CN 2012101095993 A CN2012101095993 A CN 2012101095993A CN 201210109599 A CN201210109599 A CN 201210109599A CN 103375514 A CN103375514 A CN 103375514A
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CN
China
Prior art keywords
hub
group
mounted
piston
fixed
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CN2012101095993A
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Chinese (zh)
Inventor
王跃能
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上海宇意机械有限公司
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Priority to CN2012101095993A priority Critical patent/CN103375514A/en
Publication of CN103375514A publication Critical patent/CN103375514A/en

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Abstract

The invention relates to a wet-type multi-piece hydraulic parking brake. The wet-type multi-piece hydraulic parking brake is characterized in that each rotating hub and a corresponding sealing retaining plate are connected through a first group of screws, each front flange and a corresponding fixed hub are connected through a second group of screws, an inner ring of each braking friction plate group supports on the corresponding rotating hub while an outer ring of the same supports on the corresponding fixed hub and transmits braking torque through a spline, each braking friction plate group can axially move relatively to the corresponding rotating hub and the corresponding fixed hub, each rear flange and the corresponding fixed hub are connected through a third group of screws, a piston supports on each fixed hub, a first sealing ring is mounted on each piston, a second sealing ring is mounted on each fixed hub, a group of braking springs are further mounted between each piston and the corresponding rear flange, generated spring force is pressed on the braking plate groups through the pistons to generate braking moment of force, a pair of first rotating seals are further mounted between each rotating hub and the corresponding front flange, a pair of second rotating seals are further mounted between each rotating hub and the corresponding rear flange, and a fourth screw group and a fifth screw group are further mounted on each rotating hub.

Description

湿式多片液压驻车制动器 Wet multi-plate hydraulic parking brake

技术领域 FIELD

[0001] 本发明涉及一种湿式多片液压驻车制动器,尤其涉及该湿式多片液压驻车制动器的结构。 [0001] The present invention relates to a wet multi-plate hydraulic parking brake, and particularly to the wet multi-plate hydraulic parking brake structure.

背景技术 Background technique

[0002] 高速马达配合轮边减速机是大型井下无轨车辆中较为常见的一种驱动形式。 [0002] The mating wheel motor-speed reducer is large trackless vehicle driving a more common form. 而大型井下无轨车辆因其使用场合的特殊性,要求其制动系统具有性能可靠、使用寿命长及防爆可靠的要求。 While large trackless vehicle use because of the special nature of the case, which requires a braking system having a reliable, long life and reliable explosion-proof requirements.

[0003]目前常见的轮边制动器多为盘式或鼓式等干式制动器,使用寿命较短,且无法满足井下车辆的防爆要求。 [0003] explosion-proof requirements of the current common wheel brake disc or drum and other mostly dry brake, short life, and can not meet the underground vehicle. 而常见的湿式制动器又多有结构形式不封闭,在车辆轮边驱动系统上安装不便等缺陷。 The addition of a wet brake with a common structure is not closed, and inconvenient to install in a vehicle drive system defects wheel.

发明内容 SUMMARY

[0004] 本发明需要解决的技术问题是提供了一种湿式多片液压驻车制动器,旨在解决上述的问题。 [0004] The present invention requires the technical problem is to provide a wet multi-plate hydraulic parking brake, to solve the above problems.

[0005] 为了解决上述技术问题,本发明是通过以下技术方案实现的: [0005] To solve the above problems, the present invention is achieved by the following technical solution:

[0006] 本发明包括:旋转毂、密封挡板、前法兰、固定毂、制动摩擦片组、活塞以及后法兰;所述的旋转毂与密封挡板通过第一组螺钉联接;所述的前法兰和固定毂通过第二组螺钉联接;所述的制动摩擦片组内圈支撑在旋转毂上,外圈支撑在固定毂上,通过花键传递制动扭矩,制动摩擦片组能相对旋转毂和固定毂作轴向移动;所述的后法兰和固定毂通过第三组螺钉连接;所述的活塞支承在固定毂上;在所述的活塞上安装有第一密封圈;在所述的固定毂上安装有第二密封圈;该两个密封圈用于密封制动器释放液压油;在所述的活塞和后法兰之间还安装有一组制动弹簧,产生的弹簧力通过活塞压在制动摩擦片组上,产生制动力矩;在所述的旋转毂和前法兰之间还安装有一对第一旋转密封;在所述的旋转毂和后法兰之间还安装有一对第二旋转密封;所述旋 [0006] The present invention comprises: a rotatable hub, a sealing flap, front flange, fixed hub, the brake friction plate group, and a rear flange of the piston; the rotating hub and the sealing flap by a first set of screw connection; the fixed front flange of said hub and through a second set screw connection; group of the brake pads is supported on the rotating inner hub, an outer ring supported on a fixed hub, the braking torque is transmitted through the splined brake slice group hub and rotatable relative to the hub to move axially fixed; the rear flange and the hub are connected by a third set of fixing screws; said piston is supported on a fixed hub; mounted on said piston in a first ring; on a fixed hub mounted on said second sealing ring; two sealing rings for sealing the brake releasing hydraulic oil; between the piston and the rear flange is also mounted a set brake spring, generating spring force by the piston pressed against the brake friction plate group, to generate braking torque; also mounted a pair of a first rotary seal between the rotary hub and said front flange; and a rotating hub of the rear flange is also mounted between one pair of a second rotary seal; said spin 毂上还安装有第四螺钉组和第五螺钉组;所述的旋转毂与配合的轮边减速机通过第四螺钉组相联接;所述的旋转毂与配合的轮胎腹板通过第五螺钉组相联接。 Also equipped with a fourth and fifth set of screws set screws on the hub; the rotary hub with a mating gear wheel coupled by a fourth screw group; said rotating hub of the tire with a mating screw through a fifth web group coupled.

[0007] 与现有技术相比,本发明的有益效果是:由于制动摩擦片组处于封闭的湿式环境下,使得在制动接合时,制动摩擦片组不会产生火花,同时产生的热量被冷却油液吸收,制动器表面不会产生较高的温升,具有良好的防爆性能,能够更好地满足井下车辆的特殊使用环境。 [0007] Compared with the prior art, the beneficial effects of the present invention is that: the brake disk stack is closed under a wet environment, such that when engaging the brake, the brake friction plate group does not produce sparks, generated simultaneously heat is absorbed fluid cooled brake surface does not produce a high temperature, has excellent explosion-proof performance, better able to meet the special downhole environment of the vehicle.

附图说明 BRIEF DESCRIPTION

[0008] 图1是本发明结构示意图。 [0008] FIG. 1 is a structural diagram of the present invention.

具体实施方式[0009] 下面结合附图与具体实施方式对本发明作进一步详细描述: DETAILED DESCRIPTION [0009] The accompanying drawings in conjunction with the following specific embodiments will be further detailed description of the invention:

[0010] 由图1可见:本发明包括:旋转毂1、密封挡板3、前法兰5、固定毂7、制动摩擦片组 [0010] As seen in FIG 1: the present invention comprises: a rotatable hub 1, the sealing baffle 3, before the flange 5, 7 fixed to the hub, the brake friction plate group

8、活塞10以及后法兰11 ;所述的旋转毂I与密封挡板3通过第一组螺钉2联接;所述的前法兰5和固定毂7通过第二组螺钉6联接;所述的制动摩擦片组8内圈支撑在旋转毂I上,外圈支撑在固定毂7上,通过花键传递制动扭矩,制动摩擦片组8能相对旋转毂I和固定毂7作轴向移动;所述的后法兰11和固定毂7通过第三组螺钉9连接;所述的活塞10支承在固定毂7上;在所述的活塞10上安装有第一密封圈13 ;在所述的固定毂7上安装有第二密封圈14 ;该两个密封圈用于密封制动器释放液压油;在所述的活塞10和后法兰11之间还安装有一组制动弹簧15,产生的弹簧力通过活塞10压在制动摩擦片组8上,产生制动力矩;在所述的旋转毂I和前法兰5之间还安装有一对第一旋转密封4 ;在所述的旋转毂I和后法兰11之间还安装有一对第二旋转密封12 ;所述旋转毂上还安装有第四螺钉组16和第五螺 8, piston 10 and a rear flange 11; I said rotary hub 3 and the sealing flap coupled through a first set screw 2; a front flange 5 and the fixed hub 7 is coupled through a second set screw 6; the group 8 of the inner brake pad is supported on a rotating hub I, the outer ring 7 is supported on the fixed hub, the braking torque is transmitted by a spline, a brake disk set rotatable relative to the hub 8 fixed to the hub 7 as the I axis and to move; the rear flange 11 and the fixed hub 79 are connected by a third set of screws; the piston 10 supported on the fixed hub 7; a first sealing ring 13 is mounted on the piston 10; in mounted on the hub 7 is fixed with a second sealing ring 14; the two sealing rings for sealing the brake releasing hydraulic oil; in the piston 10 and the rear flange 11 is also mounted between a set of brake spring 15, the spring force generated by the brake piston 10 against the plate group 8, to generate braking torque; also mounted a pair of first rotary seal 4 between the rotary hub and the front flange 5 I; in the I and the rotating hub rear flange 11 is also mounted between a pair of second rotary seal 12; the rotating hub is also mounted on the fourth and fifth screws 16 spiro group 组17 ;所述的旋转毂I与配合的轮边减速机通过第四螺钉组16相联接;所述的旋转毂I与配合的轮胎腹板通过第五螺钉组17相联接。 Group 17; I and the rotary hub 17 with a tire are coupled by a screw webs Group V; I and the rotary hub with the gear wheel set 16 by the fourth screw coupled.

[0011] 本发明的工作原理是:来自外部的液压油通过A 口进入固定毂7的缸体内产生向左的推力,推动活塞10克服制动弹簧15的弹簧力向左移动,此时制动摩擦片组8脱开,轮边减速器可以通过第四组螺钉16和第五组螺钉17带动轮胎转动,即车辆可以自由行走;当液压油从固定毂7的缸体排出时,由于制动弹簧15的作用,推动活塞10向右移动,此时制动摩擦片组8接合,旋转毂I的动作通过制动摩擦片组8、固定毂7消失至后法兰11上,实现制动作用。 [0011] The working principle of the present invention are: to generate thrust to the left hydraulic oil entering the cylinder from the outside of the hub 7 is fixed by the A interface, pushing the piston 10 against the spring force of the brake spring 15 moves to the left, this time prepared dynamic friction plate group 8 is disengaged, wheel speed reducer 16 by the fourth and fifth sets of screws 17 driven by a screw rotation of the tire, i.e., the vehicle may move around; when hydraulic oil is discharged from the cylinder 7 fixed to the hub, since the system dynamic action of the spring 15, pushing the piston 10 moves to the right, the brake friction plate group 8 at this time engaged, the rotary motion of the hub I via the brake pads 8 groups, the hub 7 is fixed to the rear flange 11 disappears, the brake achieve effect.

[0012] 本发明实质上是通过摩擦片表面的油膜作为介质来传递制动力矩的,因此摩擦片组的使用寿命较传统的干式轮边制动器要长。 [0012] The present invention substantially as a medium to transmit the braking torque by the friction surface of the film, and therefore the service life of the disk stack than conventional dry wheel brake longer. 作为一个总成,本发明不需要车辆配备专门的油箱,同时对油液密封点由专业人员重点控制,可提高密封的可靠性。 As an assembly, the present invention does not require a vehicle fuel tank equipped with specialized, while the oil seal by professionals focus point control, can improve the reliability of sealing.

[0013] 本发明前法兰和旋转毂之间安装有一对旋转密封,处于靠近轮胎侧,可以在井下多粉尘的环境下实现有效密封;旋转毂和后法兰之间安装有另一旋转密封;制动摩擦片组所在的腔体内装有冷却油液,使摩擦片组处于湿式环境下工作。 [0013] The present invention is mounted between the front flange and the rotating hub has a pair of rotary seals, is close to the tire side, effective sealing can be achieved downhole in dusty environments; there is another rotary seal mounted between the rotating hub and a rear flange ; chamber where the brake pad set with cooling fluid, so that the disk set in operation under a wet environment.

Claims (1)

1.一种湿式多片液压驻车制动器,其特征在于包括:旋转毂、密封挡板、前法兰、固定毂、制动摩擦片组、活塞以及后法兰;所述的旋转毂与密封挡板通过第一组螺钉联接;所述的前法兰和固定毂通过第二组螺钉联接;所述的制动摩擦片组内圈支撑在旋转毂上,外圈支撑在固定毂上,通过花键传递制动扭矩,制动摩擦片组能相对旋转毂和固定毂作轴向移动;所述的后法兰和固定毂通过第三组螺钉连接;所述的活塞支承在固定毂上;在所述的活塞上安装有第一密封圈;在所述的固定毂上安装有第二密封圈;该两个密封圈用于密封制动器释放液压油;在所述的活塞和后法兰之间还安装有一组制动弹簧,产生的弹簧力通过活塞压在制动摩擦片组上,产生制动力矩;在所述的旋转毂和前法兰之间还安装有一对第一旋转密封;在所述的旋转毂和后法兰之间还安 A wet multi-plate hydraulic parking brake, comprising: a rotatable hub, a sealing flap, front flange, fixed hub, the brake friction plate group, a piston and a rear flange; and said rotary hub seal coupling flap through a first set screw; and a fixed front flange of said second set of screw connection through the hub; the inner set of brake pads is supported on a rotatable hub, an outer ring supported on the fixed hub by braking torque transmitting splines, the brake friction plate group and fixed to a hub rotatable relative axial movement of the hub; the rear flange and the hub are connected by a third set of fixing screws; said piston is supported on a fixed hub; a piston mounted on said first ring; fixed hub mounted on said second sealing ring; two sealing rings for sealing the brake releasing hydraulic oil; the piston and the rear flange is also mounted between a set brake spring, the spring force generated by the piston pressed against the brake friction plate group, to generate braking torque; between the front flange and the rotating hub mounted on a first rotary seal further a pair; between the rear flange of the rotating hub and the further security 有一对第二旋转密封;所述旋转毂上还安装有第四螺钉组和第五螺钉组;所述的旋转毂与配合的轮边减速机通过第四螺钉组相联接;所述的旋转毂与配合的轮胎腹板通过第五螺钉组相联接。 One pair of second rotary seal; the rotating hub is also mounted on a fourth and fifth set screws screw group; said rotary hub with a mating gear wheel coupled by a fourth screw group; said rotary hub the web of the tire are coupled by a screw with the fifth group.
CN2012101095993A 2012-04-13 2012-04-13 Wet-type multi-piece hydraulic parking brake CN103375514A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103644223A (en) * 2013-12-12 2014-03-19 丹东黄海矿业备件制造有限公司 Wet disc brake used for heavy mining truck
CN103758895B (en) * 2014-01-08 2015-10-28 索特传动设备有限公司 Gear brakes and construction machinery

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2086317U (en) * 1991-03-09 1991-10-09 宁波液压马达厂 Hydraulic gearing with machinery brake characteristic
EP0997661A2 (en) * 1998-10-28 2000-05-03 Lucas Industries Limited Brake assembly
CN201575091U (en) * 2009-11-18 2010-09-08 荆州市巨鲸传动机械有限公司 Wet-type brake of gear box
CN201679886U (en) * 2009-11-24 2010-12-22 杭州杰牌传动科技有限公司 Novel hydraulic brake
CN201934549U (en) * 2010-12-23 2011-08-17 泸州邦立减速机有限责任公司 Running speed reducer brake for service braking

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2086317U (en) * 1991-03-09 1991-10-09 宁波液压马达厂 Hydraulic gearing with machinery brake characteristic
EP0997661A2 (en) * 1998-10-28 2000-05-03 Lucas Industries Limited Brake assembly
CN201575091U (en) * 2009-11-18 2010-09-08 荆州市巨鲸传动机械有限公司 Wet-type brake of gear box
CN201679886U (en) * 2009-11-24 2010-12-22 杭州杰牌传动科技有限公司 Novel hydraulic brake
CN201934549U (en) * 2010-12-23 2011-08-17 泸州邦立减速机有限责任公司 Running speed reducer brake for service braking

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103644223A (en) * 2013-12-12 2014-03-19 丹东黄海矿业备件制造有限公司 Wet disc brake used for heavy mining truck
CN103758895B (en) * 2014-01-08 2015-10-28 索特传动设备有限公司 Gear brakes and construction machinery

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