CN115838138A - A hydraulic disc brake double-acting brake caliper - Google Patents
A hydraulic disc brake double-acting brake caliper Download PDFInfo
- Publication number
- CN115838138A CN115838138A CN202111097089.4A CN202111097089A CN115838138A CN 115838138 A CN115838138 A CN 115838138A CN 202111097089 A CN202111097089 A CN 202111097089A CN 115838138 A CN115838138 A CN 115838138A
- Authority
- CN
- China
- Prior art keywords
- brake
- oil cylinder
- connecting rod
- brake shoe
- double
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Braking Arrangements (AREA)
Abstract
Description
技术领域technical field
本发明属于石油钻采装备技术领域,涉及一种液压盘式刹车双作用刹车钳。The invention belongs to the technical field of petroleum drilling equipment, and relates to a hydraulic disc brake double-acting brake caliper.
背景技术Background technique
现有的石油钻井绞车液压盘式刹车通常是由工作钳和安全钳组成,工作钳用于工作制动,安全钳用于驻车制动,两种钳子因功能不同,所以配置时都不能缺少,结果是刹车钳占用的安装空间大,布置困难,绞车外观质量差。The existing oil drilling winch hydraulic disc brake is usually composed of working tongs and safety tongs, the working tongs are used for working braking, and the safety tongs are used for parking braking. The two kinds of tongs have different functions, so they are indispensable when configuring. , The result is that the installation space occupied by the brake caliper is large, the layout is difficult, and the appearance quality of the winch is poor.
双作用刹车钳采用一种刹车钳就可以实现工作制动和驻车制动,性能与目前在用的刹车能力相同,刹车系统的控制不需要做任何改动。采用双作用刹车钳的优点是:数量是原来刹车钳的一半,制造成本大幅降低,节约了刹车钳安装空间,绞车结构更加紧凑,整个绞车布局更加合理,绞车外观质量更好。The double-action brake caliper can realize working brake and parking brake by using one brake caliper, and its performance is the same as that of the currently used brake caliper, and the control of the brake system does not need to be changed in any way. The advantages of using double-acting brake calipers are: the number is half of the original brake calipers, the manufacturing cost is greatly reduced, the installation space of the brake calipers is saved, the structure of the winch is more compact, the layout of the whole winch is more reasonable, and the appearance quality of the winch is better.
发明内容Contents of the invention
本发明的目的是提供一种液压盘式刹车双作用刹车钳,实现一把刹车钳同时具有工作刹车和驻车刹车的功能,以解决上述背景技术中提出的现有刹车钳的缺点和不足。The purpose of the present invention is to provide a hydraulic disc brake double-acting brake caliper, which realizes that a brake caliper has the functions of working brake and parking brake at the same time, so as to solve the shortcomings and deficiencies of the existing brake caliper proposed in the above-mentioned background technology.
本发明所采用的技术方案是,一种液压盘式刹车双作用刹车钳,包括刹车盘,刹车盘两侧对称设置有左闸瓦和右闸瓦,左闸瓦和右闸瓦远离刹车盘的一侧分别活动连接有左连杆和右连杆,左连杆和右连杆分别活动连接于液压盘式刹车钳架上,左连杆和右连杆远离左闸瓦和右闸瓦的一端分别通过销轴连接于气缸驱动机构上,气缸驱动机构位于左连杆和右连杆之间。The technical scheme adopted in the present invention is a double-acting brake caliper of a hydraulic disc brake, including a brake disc, a left brake shoe and a right brake shoe are arranged symmetrically on both sides of the brake disc, and the left brake shoe and the right brake shoe are far away from the brake disc. One side is respectively movably connected with a left link and a right link. The left link and the right link are respectively movably connected to the hydraulic disc brake caliper frame. The ends of the left link and the right link are far away from the left brake shoe and the right brake shoe. They are respectively connected to the cylinder driving mechanism through pin shafts, and the cylinder driving mechanism is located between the left connecting rod and the right connecting rod.
本发明的特点还在于:The present invention is also characterized in that:
其中左闸瓦和右闸瓦远离刹车盘的一侧分别通过销轴与左连杆和右连杆连接;The sides of the left brake shoe and the right brake shoe away from the brake disc are respectively connected with the left connecting rod and the right connecting rod through pin shafts;
其中左闸瓦和右闸瓦远离刹车盘的一侧分别焊接有左闸靴和右闸靴,左闸靴和右闸靴分别通过销轴与左连杆和右连杆连接;Wherein, the side of the left brake shoe and the right brake shoe away from the brake disc is respectively welded with a left brake shoe and a right brake shoe, and the left brake shoe and the right brake shoe are respectively connected with the left connecting rod and the right connecting rod through pin shafts;
其中气缸驱动机构包括二级油缸,二级油缸内嵌有碟簧,碟簧内嵌有活塞杆,活塞杆与二级油缸间隙配合,活塞杆远离二级油缸的一端通过销轴与左连杆连接,还包括一级油缸,二级油缸远离活塞杆的一端嵌入一级油缸的内腔内与一级油缸间隙配合,一级油缸远离二级油缸一端连接有调整螺母,所述调整螺母与一级油缸过盈配合,调整螺母连接顶杆,顶杆通过销轴与右连杆连接;The cylinder driving mechanism includes a secondary oil cylinder, a disc spring is embedded in the secondary oil cylinder, a piston rod is embedded in the disc spring, the piston rod and the secondary oil cylinder are in clearance fit, and the end of the piston rod far away from the secondary oil cylinder passes through the pin shaft and the left connecting rod. The connection also includes a first-stage oil cylinder. The end of the second-stage oil cylinder away from the piston rod is embedded in the inner cavity of the first-stage oil cylinder to cooperate with the clearance of the first-stage oil cylinder. An adjustment nut is connected to the end of the first-stage oil cylinder far away from the second-stage oil cylinder. The level oil cylinder is interference fit, the adjusting nut is connected to the ejector rod, and the ejector rod is connected to the right connecting rod through the pin shaft;
其中活塞杆杆身固定套接有环套,所述环套直径与碟簧外圈直径相同;Wherein the shaft of the piston rod is fixedly sleeved with a ring sleeve, and the diameter of the ring sleeve is the same as that of the outer ring of the disc spring;
其中一级油缸缸身靠近碟簧的一侧开设有排气孔,排气孔与一级油缸内腔相通;The side of the cylinder body of the first-stage oil cylinder close to the disc spring is provided with a vent hole, and the vent hole communicates with the inner cavity of the first-stage oil cylinder;
其中调整螺母与顶杆螺纹连接;Wherein the adjusting nut is threadedly connected with the ejector rod;
其中二级油缸靠近活塞杆的一端通过螺栓连接有端盖,活塞杆穿过端盖与端盖间隙配合,一级油缸靠近二级油缸通过螺栓连接有端盖A12,二级油缸穿过端盖A12与端盖A12间隙配合;The end of the secondary oil cylinder close to the piston rod is connected with an end cover by bolts, and the piston rod passes through the end cover to fit with the end cover. The first-stage oil cylinder is connected to the end cover A12 by bolts close to the second-stage oil cylinder, and the second-stage oil cylinder passes through the end cover. A12 and end cover A12 clearance fit;
其中端盖位于活塞杆的两侧分别开设有油孔和排气孔A,油孔和排气孔A与二级油缸内腔相通,所述一级油缸远离二级油缸的一端分别开设有油孔A和排气孔B。Wherein, the end cover is located on both sides of the piston rod and is respectively provided with an oil hole and a vent hole A, and the oil hole and the vent hole A communicate with the inner cavity of the secondary oil cylinder, and the end of the primary oil cylinder far away from the secondary oil cylinder is provided with an oil hole respectively. Hole A and Vent B.
本发明的有益效果是:The beneficial effects of the present invention are:
原液压盘式刹车工作钳和安全钳式独立分开的,数量较多,本发明的一种液压盘式刹车双作用刹车钳将二者合二为一,减少了刹车钳数,所需安装空间更小,绞车外观质量得到提升,生产成本有效降低。The original hydraulic disc brake working caliper and safety gear are separated independently, and the number is large. A hydraulic disc brake double-action brake caliper of the present invention combines the two into one, reducing the number of brake calipers and the required installation space. Smaller, the appearance quality of the winch is improved, and the production cost is effectively reduced.
附图说明Description of drawings
图1是本发明的一种液压盘式刹车双作用刹车钳的结构示意图;Fig. 1 is the structural representation of a kind of hydraulic disc brake double-acting brake caliper of the present invention;
图2是本发明的一种液压盘式刹车双作用刹车钳的油缸分解示意图;Fig. 2 is an exploded schematic diagram of an oil cylinder of a double-acting brake caliper of a hydraulic disc brake of the present invention;
图3是本发明的一种液压盘式刹车双作用刹车钳的安装初始位置示意图;Fig. 3 is a schematic diagram of the installation initial position of a hydraulic disc brake double-acting brake caliper of the present invention;
图4是本发明的一种液压盘式刹车双作用刹车钳的安装初始位置局部放大示意图;Fig. 4 is a partially enlarged schematic diagram of the installation initial position of a hydraulic disc brake double-acting brake caliper of the present invention;
图5是本发明的一种液压盘式刹车双作用刹车钳的工作制动位置示意图;Fig. 5 is a schematic diagram of the working braking position of a hydraulic disc brake double-acting brake caliper of the present invention;
图6是本发明的一种液压盘式刹车双作用刹车钳的驻车制动位置示意图。Fig. 6 is a schematic diagram of a parking brake position of a double-acting brake caliper of a hydraulic disc brake according to the present invention.
图中,1.刹车盘,2.左闸瓦,3.右闸瓦,4.左闸靴,5.右闸靴,6.左连杆,7.右连杆,8.活塞杆,9.顶杆,10.端盖,11.二级油缸,12.端盖,13.碟簧,14.一级油缸,15.调整螺母,16.销轴,17.销轴A,18.销轴B,19.油孔,20.油孔A,21.排气孔,22.排气孔A,23.排气孔B。In the figure, 1. brake disc, 2. left brake shoe, 3. right brake shoe, 4. left brake shoe, 5. right brake shoe, 6. left connecting rod, 7. right connecting rod, 8. piston rod, 9 .Ejector rod, 10. End cover, 11. Secondary oil cylinder, 12. End cover, 13. Disc spring, 14. Primary oil cylinder, 15. Adjusting nut, 16. Pin shaft, 17. Pin shaft A, 18. Pin Axis B, 19. Oil hole, 20. Oil hole A, 21. Vent hole, 22. Vent hole A, 23. Vent hole B.
具体实施方式Detailed ways
下面结合附图和具体实施方式对本发明进行详细说明。The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
本发明提供一种液压盘式刹车双作用刹车钳,如图1和图2所示,左闸瓦2与左闸靴4通过焊接方式连接,左闸靴4与左连杆6通过销轴16相连接,左连杆6与活塞杆8通过端盖B18连接,活塞杆8与二级油缸11间隙配合,活塞杆8可以沿二级油缸11轴向左右滑动,碟簧13安装在活塞杆8右侧,碟簧13和活塞杆8安装在二级油缸11内腔。端盖10安装在活塞杆8左侧,端盖10与活塞杆8间隙配合,端盖10通过螺栓固定在二级油缸11左侧端部,二级油缸11安装在一级油缸14内腔,二级油缸11和一级油缸14间隙配合,调整螺母15安装在一级油缸14右侧,一级油缸14与调整螺母15过盈配合,调整螺母15安装在顶杆9左侧,调整螺母15与顶杆9螺纹连接,顶杆9可以沿轴向左右移动。顶杆9与右连杆7通过端盖B18连接,右连杆7与右闸靴5通过销轴16连接,右闸瓦3与右闸靴5通过焊接方式连接;一级油缸14缸身靠近碟簧13的一侧开设有排气孔21,排气孔21与一级油缸14内腔相通,排气孔21用于消除碟簧13压缩时产生的气压;The present invention provides a hydraulic disc brake double-acting brake caliper, as shown in Figure 1 and Figure 2, the
左连杆6和右连杆7通过端盖A17固定在液压盘式刹车钳架上,左连杆6和右连杆7可以分别绕端盖A17旋转;The
如图3和图4所述,双作用刹车钳安装过程具体实施方案如下:As shown in Figure 3 and Figure 4, the specific implementation of the double-acting brake caliper installation process is as follows:
压力油从油孔19进入二级油缸11内腔,油压产生推力推动活塞杆8向右滑动,直至与碟簧13达到压力平衡时停止,此时油压为P0。活塞杆8右端和二级油缸11间隙S3=0,二级油缸11右端与一级油缸14间隙S2=0,左闸瓦2和右闸瓦3间隙为A1,刹车盘1厚度为A0,且A1>A0。一级油缸14左端头和二级油缸11间隙为S1,S1>0。此时双作用刹车钳处于安装初始位置;The pressure oil enters the inner cavity of the
如图5所示,双作用刹车钳实现工作制动过程具体实施方案如下:As shown in Figure 5, the specific implementation plan of the double-acting brake caliper to realize the working braking process is as follows:
一级油缸14远离二级油缸11的一端分别开设有油孔A20和排气孔B23,排气孔B23用于消除油孔A20进入压力油时产生的气压;The end of the
当压力油P1从油孔A20进入一级油缸14内腔,二级油缸11在压力油的推力下向左滑动,二级油缸11推动活塞杆8向左伸出,活塞杆8绕端盖A17转动带动左连杆6旋转,左连杆6带动左闸靴4向右旋转,左闸靴4带动左闸瓦2向右旋转通过摩擦力f1压紧刹车盘1,实现刹车;When the pressure oil P1 enters the inner cavity of the
与此同时,二级油缸11右端与一级油缸14间隙S2从零逐渐增大,碟簧13继续被压缩,直到一级油缸14左端头和二级油缸11间隙为S1=0停止压缩;At the same time, the gap S2 between the right end of the
一级油缸14在压力油推力下向右滑动,一级油缸14推动顶杆9向右伸出,顶杆9绕端盖A17转动带动右连杆7旋转,右连杆7带动右闸靴5向左旋转,右闸靴5带动右闸瓦3向左旋转通过摩擦力f1压紧刹车盘1,实现刹车;The
此时A1=A0,双作用刹车钳处于工作制动位置。At this time A1=A0, the double-acting brake caliper is in the working braking position.
摩擦力f1与油压P1成正比例关系,当油压减小至P1=0时,在碟簧13的作用下,二级油缸11右端与一级油缸14间隙随之减小至S2=0,二级油缸11和一级油缸14回复到初始位置,左闸瓦2和右闸瓦3脱开刹车盘1,此时双作用刹车钳处于初始打开状态。The friction force f1 is proportional to the oil pressure P1. When the oil pressure decreases to P1=0, under the action of the
如图6所示,双作用刹车钳实现驻车制动过程具体实施方案如下:As shown in Figure 6, the specific implementation plan of the double-acting brake caliper to realize the parking brake process is as follows:
在双作用刹车钳处于安装初始位置,当二级油缸11左侧内腔泄油时,油压减小至P0=0时,碟簧13逐渐伸长,碟簧13推动活塞杆8向左侧滑动,活塞杆8右端和二级油缸11间隙S3从零逐渐增大。同时碟簧13推动二级油缸11向右侧滑动。活塞杆8绕端盖A17转动带动左连杆6旋转,左连杆6带动左闸靴4向右旋转,左闸靴4带动左闸瓦2向右旋转通过摩擦力f2压紧刹车盘1,实现刹车。When the double-acting brake caliper is in the initial installation position, when the oil pressure in the left side of the
与此同时,二级油缸11推动一级油缸14向右滑动,一级油缸14推动顶杆9向右伸出,顶杆9绕端盖A17转动带动右连杆7旋转,右连杆7带动右闸靴5向左旋转,右闸靴5带动右闸瓦3向左旋转通过摩擦力f2压紧刹车盘1,实现刹车。At the same time, the
此时A1=A0,双作用刹车钳处于驻车制动位置。At this time, A1=A0, and the double-acting brake caliper is at the parking brake position.
端盖10位于活塞杆8的两侧分别开设有油孔19和排气孔A22,压力油从油孔19进入二级油缸11内腔,油孔19和排气孔A22与二级油缸11内腔相通,排气孔A22用于消除油孔19进入压力油时产生的气压,当油压增大至P0时,油压产生推力推动活塞杆8向右滑动,推动端盖10向左滑动。碟簧13被压缩,直到活塞杆8右端和二级油缸11间隙S3逐渐减小为零。活塞杆8绕端盖A17转动带动左连杆6旋转,左连杆6带动左闸靴4向左旋转,左闸靴4带动左闸瓦2向左旋转,左闸瓦2脱开刹车盘1,实现松刹,双作用刹车钳回复到安装初始位置;The
端盖10向左滑动带动二级油缸11向左滑动,二级油缸11向左滑动与一级油缸14之间形成负压腔,一级油缸14随即向左滑移,一级油缸14通过调整螺母15带动顶杆9向左移动,顶杆9绕端盖A17转动带动右连杆7旋转,右连杆7带动右闸靴5向右顺时针旋转,右闸靴5带动右闸瓦3向右旋转脱开刹车盘1,实现松刹。The end cover 10 slides to the left and drives the
摩擦力f2与油压P0成正比例关系。The friction force f2 is proportional to the oil pressure P0.
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111097089.4A CN115838138A (en) | 2021-09-18 | 2021-09-18 | A hydraulic disc brake double-acting brake caliper |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111097089.4A CN115838138A (en) | 2021-09-18 | 2021-09-18 | A hydraulic disc brake double-acting brake caliper |
Publications (1)
Publication Number | Publication Date |
---|---|
CN115838138A true CN115838138A (en) | 2023-03-24 |
Family
ID=85575151
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202111097089.4A Pending CN115838138A (en) | 2021-09-18 | 2021-09-18 | A hydraulic disc brake double-acting brake caliper |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN115838138A (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2390857Y (en) * | 1999-10-20 | 2000-08-09 | 石油勘探开发科学研究院机械研究所 | Fluid-controlled disc type brake |
CN203548653U (en) * | 2013-09-26 | 2014-04-16 | 上海安运输送设备有限公司 | Braking oil cylinder of disc brake for coal mine |
CN105584950A (en) * | 2016-03-16 | 2016-05-18 | 北京普世科石油机械新技术有限公司 | Work-and-safety integrated brake cylinder capable of automatically keeping constant clearance |
US20170015536A1 (en) * | 2014-05-13 | 2017-01-19 | Mitsubishi Electric Corporation | Brake device for elevator hoist |
CN113184743A (en) * | 2021-05-08 | 2021-07-30 | 鞍山彩盛机械制造有限公司 | Gas-liquid dual-power disc brake system for oil field drilling machine and workover rig |
CN214092814U (en) * | 2020-12-21 | 2021-08-31 | 任丘市博科机电新技术有限公司 | Full mechanical disc brake automatic precision gap adjusting device |
-
2021
- 2021-09-18 CN CN202111097089.4A patent/CN115838138A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2390857Y (en) * | 1999-10-20 | 2000-08-09 | 石油勘探开发科学研究院机械研究所 | Fluid-controlled disc type brake |
CN203548653U (en) * | 2013-09-26 | 2014-04-16 | 上海安运输送设备有限公司 | Braking oil cylinder of disc brake for coal mine |
US20170015536A1 (en) * | 2014-05-13 | 2017-01-19 | Mitsubishi Electric Corporation | Brake device for elevator hoist |
CN105584950A (en) * | 2016-03-16 | 2016-05-18 | 北京普世科石油机械新技术有限公司 | Work-and-safety integrated brake cylinder capable of automatically keeping constant clearance |
CN214092814U (en) * | 2020-12-21 | 2021-08-31 | 任丘市博科机电新技术有限公司 | Full mechanical disc brake automatic precision gap adjusting device |
CN113184743A (en) * | 2021-05-08 | 2021-07-30 | 鞍山彩盛机械制造有限公司 | Gas-liquid dual-power disc brake system for oil field drilling machine and workover rig |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP2738658B2 (en) | Hydraulic brake clutch | |
US6786317B2 (en) | Hydraulic clutch assembly | |
CN101517261A (en) | Combined vehicle brake with electromechanically operable parking brake and gear for converting a rotary movement into a translational movement | |
CN113483038A (en) | Brake with self-compensation and braking method thereof | |
US4383593A (en) | Hydraulically and mechanically operable disc brakes | |
CN206754242U (en) | A kind of eccentric shaft type wet multi-disc brake | |
CN110529521A (en) | A kind of independent hydraulically controlled distribution type disc brake with floating caliper of automobile double-piston | |
CN106931057A (en) | A kind of separable Retarder work cavity configuration of rotor | |
US4923036A (en) | Disc brakes | |
CN102352902A (en) | Automatically adjustable stroke type brake cylinder of railway vehicle | |
DE1575753B1 (en) | Disc friction clutch | |
CN115838138A (en) | A hydraulic disc brake double-acting brake caliper | |
CN204942338U (en) | Integral type brake caliper | |
US4280398A (en) | Rapid release mechanism for a spring-loaded brake cylinder | |
CN104669938B (en) | Center normally-closed wet type drive axle with multi-section cantilever structure | |
CN202251576U (en) | Railway vehicle stroke automatic regulating type brake cylinder | |
CN215487358U (en) | A built-in moving axle disc brake that monitors positive brake pressure | |
CN214945911U (en) | Wet type braking device of traveling and parking integrated braking half shaft | |
GB2575076A (en) | An actuation mechanism for a multi-plate brake | |
EP1761718B1 (en) | Shiftable hydrostatic compact drive unit | |
CN212868249U (en) | Friction type braking device | |
CN210290543U (en) | Pneumatic belt type brake system of workover rig | |
CN100535467C (en) | Actuator for a vehicle clutch | |
DE102006055009A1 (en) | Friction brake e.g. hydraulic brake, for use in motor vehicle, has piston driven by spring, and another piston for hydraulically separating former piston from actuation of brake according to adjustable path | |
GB2075623A (en) | Disc brakes |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |