CN107150699A - A kind of Novel brake shuttle car system of mine endless rope winch - Google Patents
A kind of Novel brake shuttle car system of mine endless rope winch Download PDFInfo
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- CN107150699A CN107150699A CN201710318441.XA CN201710318441A CN107150699A CN 107150699 A CN107150699 A CN 107150699A CN 201710318441 A CN201710318441 A CN 201710318441A CN 107150699 A CN107150699 A CN 107150699A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H7/00—Brakes with braking members co-operating with the track
- B61H7/12—Grippers co-operating frictionally with tracks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H11/00—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types
- B61H11/06—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types of hydrostatic, hydrodynamic, or aerodynamic brakes
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Abstract
一种矿用无极绳绞车的新型制动梭车系统，包括车桥、固接于车桥上的操纵室、所述操作室上设有用于控制所述液压传动管路系统的控制箱，布设于所述车桥底部的制动抱轨总成；其特征在于：所述制动抱轨总成包括有：固接于所述车桥底部的超速保护装置、液压抱轨装置以及液压传动管路系统，制动系统具有自动保护和人工保护功能，制动器采用钳式液压抱轨制动，既可手动又能自动控制，为失效安全型。运行时，闸钳可以提离轨面以上，适用于起伏普通轨运行。制动时钳式制动抱住轨头两侧，安全性高，可靠性强，值得大规模应用推广。
A new brake shuttle car system for a mine-used endless rope winch, including a vehicle axle, a control room fixed on the vehicle bridge, and a control box for controlling the hydraulic transmission pipeline system on the control room. The brake rail assembly at the bottom of the axle; it is characterized in that: the brake rail assembly includes: an overspeed protection device fixed at the bottom of the axle, a hydraulic rail device and a hydraulic transmission tube Road system, the braking system has automatic protection and manual protection functions, the brake adopts caliper hydraulic holding rail brake, which can be controlled manually and automatically, and is a fail-safe type. During operation, the brake caliper can be lifted above the rail surface, which is suitable for undulating common rail operation. When braking, the caliper brake hugs both sides of the rail head, which has high safety and reliability, and is worthy of large-scale application and promotion.
Description
技术领域technical field
本发明涉及矿用运输车辆制动系统的生产制造技术领域，尤其是一种矿用无极绳绞车的新型制动梭车系统。The invention relates to the technical field of production and manufacture of a braking system for mining transport vehicles, in particular to a novel braking shuttle car system for a mining endless rope winch.
背景技术Background technique
现有技术中，轨道机车车辆采用的制动方式最普遍的是闸瓦制动，用铸铁或其他材料制成的瓦状制动块，在制动时抱紧车轮踏面，通过摩擦使车轮停止转动；相比较而言，比较新型的制动方式采用的是盘形制动，其主要是在车轴上或在车轮辐板侧面安装制动盘，用制动夹钳使以合成材料制成的两个闸片紧压制动盘侧面，通过摩擦产生制动力，使轨道车辆停止前进。In the prior art, the most common braking method used by rail locomotives is brake shoe braking. The tile-shaped brake block made of cast iron or other materials hugs the wheel tread tightly during braking and stops the wheel through friction. Rotation; In comparison, the newer braking method uses disc brakes, which are mainly installed on the axle or on the side of the wheel spoke plate, and the brake caliper is made of synthetic materials. The two brake pads press against the side of the brake disc to generate a braking force through friction to stop the rail vehicle from moving forward.
上述两种制动方式都是利用车轮和轨道的摩擦力实现制动的，容易使车轮和轨道磨损，该制动方式的最大减速度也只有μg(轨道摩擦系数乘以自重)。如果行走机构要求在短行程内实现最高速度为 5m/s的加速、稳速和减速过程，且要求行走机构运行平稳，所以利用上述技术是无法实现的。The above two braking methods all use the friction force between the wheel and the track to achieve braking, which is easy to wear the wheel and the track, and the maximum deceleration of this braking method is only μg (the friction coefficient of the track multiplied by its own weight). If the traveling mechanism is required to realize the acceleration, steady speed and deceleration process with a maximum speed of 5m/s in a short stroke, and the running mechanism is required to run smoothly, it cannot be realized by using the above-mentioned technology.
因此，本发明研究设计一种新型的失效型紧急制动装置，即无极绳绞车在起伏巷道运行时，当钢丝绳断绳牵引车(亦或是梭车)溜坡超速到额定速度范围时，实施牵引车的紧急制动，实现设备的安全保护。制动器具有自动保护和人工保护功能，制动器采用钳式液压抱轨制动，既可手动又能自动控制，为失效安全型。运行时，闸钳可以提离轨面以上，适用于起伏普通轨运行。制动时钳式制动抱住轨头两侧，安全性高，可靠性强，值得大规模应用推广。Therefore, the present invention studies and designs a new type of failure-type emergency braking device, that is, when the endless rope winch is running in the undulating roadway, when the wire rope is broken and the rope tractor (or shuttle car) is overspeeding on the slope to the rated speed range, it will be activated. The emergency braking of the tractor realizes the safety protection of the equipment. The brake has automatic protection and manual protection functions. The brake adopts caliper hydraulic holding rail brake, which can be controlled manually and automatically, and is a fail-safe type. During operation, the brake caliper can be lifted above the rail surface, which is suitable for undulating common rail operation. When braking, the caliper brake hugs both sides of the rail head, which has high safety and reliability, and is worthy of large-scale application and promotion.
发明内容Contents of the invention
本发明为达到上述背景技术中所论述的技术目标，研究在无极绳绞车等矿用轨道车辆上创新增设超速保护结构(超速保护装置)，并改进车辆的制动方式，通过超速保护结构结合改进的液压制动系统的联合作用，实现车辆制动的安全性的提高，同时，基于组合对称式制动钳结构设计，实现轨道车辆制动稳定性的提升，抱轨制动力稳定，不易产生因制动力不平衡而致使的侧翻、翻车等安全问题。In order to achieve the technical goals discussed in the above-mentioned background technology, the present invention studies the innovative addition of an overspeed protection structure (overspeed protection device) on mining rail vehicles such as endless rope winches, and improves the braking mode of the vehicle. The combined effect of the advanced hydraulic braking system improves the safety of vehicle braking. At the same time, based on the structural design of the combined symmetrical brake caliper, the stability of rail vehicle braking is improved. Safety problems such as rollover and rollover caused by unbalanced braking force.
本发明所采用的技术方案是：一种矿用无极绳绞车的新型制动梭车系统，包括车桥、固接于车桥上的操纵室、布设于所述车桥底部的制动抱轨总成；其特征在于：所述操作室上设有用于控制所述液压传动管路系统的控制箱，所述制动抱轨总成包括有：固接于所述车桥底部的超速保护装置、液压抱轨装置以及液压传动管路系统；The technical solution adopted in the present invention is: a new brake shuttle car system for a mine-used endless rope winch, including a vehicle bridge, a control room fixed on the vehicle bridge, and a brake holding rail arranged at the bottom of the vehicle bridge assembly; it is characterized in that: the operating room is provided with a control box for controlling the hydraulic transmission pipeline system, and the brake holding rail assembly includes: an overspeed protection device fixed at the bottom of the axle , Hydraulic rail holding device and hydraulic transmission pipeline system;
所述超速保护装置通过联动齿轮组与梭车辊轮联动连接；所述联动齿轮组包括相互齿合的惰性齿轮和套辊齿轮，所述套辊齿轮固定套设于梭车辊轮的轮轴；The overspeed protection device is linked with the rollers of the shuttle car through a linkage gear set; the linkage gear set includes an idler gear and a set roller gear that mesh with each other, and the set roller gear is fixedly sleeved on the axle of the shuttle car roller;
所述液压传动管路系统包括用于启动液压管路连通的液压释放阀杆，所述液压释放杆固设于所述超速保护装置中；The hydraulic transmission pipeline system includes a hydraulic release valve rod for starting hydraulic pipeline communication, and the hydraulic release rod is fixed in the overspeed protection device;
所述超速保护装置包括有壳体以及轮轴，所述轮轴穿设于所述壳体内，轮轴的一端截面上通过销轴活动设置有左离心块及右离心块，轮轴的另一端固定套设有第一齿轮，所述左、右离心块之间沿所述轮轴截面的径向设置有制动弹簧，所述右离心块的下端部设有光销，制动弹簧一端设有用于调节制动弹簧位置的调节螺母，调节螺母固接于所述轮轴上，所述制动弹簧的另一端还固设有弹簧轴；弹簧轴与所述光销相互卡合设置，所述壳体上与所述弹簧轴的对应位置固设有所述液压释放阀杆；The overspeed protection device includes a housing and a wheel shaft. The wheel shaft is installed in the housing. A left centrifugal block and a right centrifugal block are arranged on one end section of the wheel shaft through a pin shaft. The other end of the wheel shaft is fixedly sleeved with a For the first gear, a brake spring is provided between the left and right centrifugal blocks along the radial direction of the axle section, a light pin is provided at the lower end of the right centrifugal block, and one end of the brake spring is provided for adjusting the brake. The adjusting nut for the position of the spring is fixedly connected to the wheel shaft, and the other end of the brake spring is also fixed with a spring shaft; the spring shaft and the light pin are engaged with each other, The corresponding position of the spring shaft is fixed with the hydraulic release valve rod;
所述液压抱轨装置为设置于铁轨正上方的一对液压制动缸，该液压制动缸包括：缸筒以及套设于缸筒一端外壁的活动套筒；缸筒的另一端设有液压油孔，所述液压油孔通过液压管路连接于所述液压传动管路系统；活动套筒和缸筒的外侧壁分别设有第一凸板和第二凸板，所述第一凸板及第二凸板分别通过销轴转动连接有左制动钳和右制动钳，所述左制动钳和右制动钳中部也通过轴销实现交叉转动连接；The hydraulic rail holding device is a pair of hydraulic brake cylinders arranged directly above the rails. The hydraulic brake cylinders include: a cylinder and a movable sleeve sleeved on the outer wall of one end of the cylinder; the other end of the cylinder is provided with a hydraulic The hydraulic oil hole is connected to the hydraulic transmission pipeline system through a hydraulic pipeline; the outer wall of the movable sleeve and the cylinder is respectively provided with a first convex plate and a second convex plate, and the first convex plate and the second convex plate are respectively connected with a left brake caliper and a right brake caliper through a pin shaft rotation, and the middle parts of the left brake caliper and the right brake caliper are also cross-rotatably connected through a shaft pin;
所述缸筒内轴向设有活塞杆，所述活塞杆的两端部位置分别套设有导向套及活动套，所述活塞杆上与缸筒端部对应处套设有紧固法兰；A piston rod is arranged in the axial direction of the cylinder, and guide sleeves and movable sleeves are respectively sleeved at both ends of the piston rod, and a fastening flange is sleeved on the piston rod corresponding to the end of the cylinder. ;
所述活塞杆与所述活动套筒相对应的端部外侧壁上嵌设有第一固定卡环，所述活动套筒的底部位于所述第一固定卡环的外侧设有压盖，所述压盖通过螺栓固定连接于活动套筒底部；活塞杆的中部位于导向套与活动套之间还套设有压簧。A first fixed snap ring is embedded on the outer wall of the corresponding end of the piston rod and the movable sleeve, and a gland is provided on the bottom of the movable sleeve outside the first fixed snap ring. The gland is fixedly connected to the bottom of the movable sleeve through bolts; the middle part of the piston rod is located between the guide sleeve and the movable sleeve, and a compression spring is sleeved therewith.
进一步地，所述导向套与所述缸筒的内壁接触面上嵌设有第二固定卡环，所述左、右制动钳的下端部相对的侧壁上设有摩擦片。第二固定环可起到导向套与缸筒内壁的稳固连接，防止两者产生位移，影响制动效果；摩擦片可起到增强制动钳的制动力，且便于通过更换摩擦片，确保制动器的制动力。Further, a second fixing snap ring is embedded on the contact surface between the guide sleeve and the inner wall of the cylinder, and friction plates are provided on the side walls opposite to the lower ends of the left and right brake calipers. The second fixing ring can serve as a stable connection between the guide sleeve and the inner wall of the cylinder to prevent the displacement of the two and affect the braking effect; the friction plate can enhance the braking force of the brake caliper, and it is convenient to replace the friction plate to ensure that the brake braking force.
进一步地，所述轮轴通过套设于轮轴中部位置的轴承与所述壳体转动连接，轴承的两侧面均设有弹性垫圈；所述轮轴上与所述第一齿轮相对应的侧壁上还设置有突出的平键，所述第一齿轮通过平键实现与轮轴一体转动，当所述弹簧轴与所述光销的卡合脱离时，所述弹簧自然长度可确保弹簧轴完全顶住液压释放阀杆，继而触发液压传动管路系统开启，达到启动液压制动系统的目标。Further, the wheel shaft is rotatably connected to the housing through a bearing sleeved in the middle of the wheel shaft, and elastic washers are provided on both sides of the bearing; the side wall corresponding to the first gear on the wheel shaft is also A protruding flat key is provided, and the first gear rotates integrally with the wheel shaft through the flat key. When the engagement between the spring shaft and the light pin is disengaged, the natural length of the spring can ensure that the spring shaft completely withstands the hydraulic pressure. Release the valve stem, and then trigger the opening of the hydraulic transmission pipeline system to achieve the goal of activating the hydraulic braking system.
更进一步地，所述活动套的外侧壁上还套设有防溢密封圈以及导向环，所述活塞杆上与导向套对应处还套设有O型密封圈。Furthermore, an anti-overflow sealing ring and a guide ring are sleeved on the outer wall of the movable sleeve, and an O-ring is sleeved on the piston rod corresponding to the guide sleeve.
更进一步地，所述左、右离心块的为半圆弧形结构，所述轮轴上设有所述左、右离心块的端部为圆柱形凹槽结构，所述左、右离心块均容置在所述圆柱形凹槽内，所述半圆弧形的半径小于所述轮轴端部的圆柱形凹槽的内径。当轮轴通过传动齿轮组进行高速转动时，左、右离心块在离心力的作用下，相互分离，右离心块带动光销位移，从而将弹簧轴与光销的卡合限位结构失效，在制动弹簧的作用下，弹簧轴继续向下延伸，顶住制动阀上的液压释放阀杆，从而触发液压传动管路系统开启，达到机械检测轮轴转速的技术目的。Furthermore, the left and right centrifugal blocks are semicircular arc-shaped, and the ends of the left and right centrifugal blocks on the axle are cylindrical groove structures, and the left and right centrifugal blocks are both compatible. placed in the cylindrical groove, the radius of the semicircular arc is smaller than the inner diameter of the cylindrical groove at the end of the axle. When the wheel shaft rotates at high speed through the transmission gear set, the left and right centrifugal blocks are separated from each other under the action of centrifugal force, and the right centrifugal block drives the displacement of the light pin, thereby invalidating the locking and limiting structure of the spring shaft and the light pin. Under the action of the dynamic spring, the spring shaft continues to extend downwards to withstand the hydraulic release valve stem on the brake valve, thereby triggering the opening of the hydraulic transmission pipeline system to achieve the technical purpose of mechanically detecting the wheel shaft speed.
更进一步优选的，为保证在液压缸制动作用力后，当液压油从液压油孔中回流时，保证制动结构拥有持续稳定的制动力，所述压簧具体为蝶形弹簧，可以提供更为稳定的压缩伸展力。Further preferably, in order to ensure that the braking structure has a continuous and stable braking force when the hydraulic oil returns from the hydraulic oil hole after the braking force of the hydraulic cylinder, the compression spring is specifically a butterfly spring, which can provide More stable compression and extension.
本发明提供的一种矿用无极绳绞车的新型制动梭车系统的有益效果为：The beneficial effect of the novel braking shuttle car system of a kind of endless rope winch for mining provided by the present invention is:
本发明当钢丝绳断绳牵引车(亦或是梭车)溜坡超速到额定速度范围时，实施牵引车的紧急制动，实现设备的安全保护。制动系统具有自动保护和人工保护功能，制动器采用钳式液压抱轨制动，既可手动又能自动控制，为失效安全型。运行时，闸钳可以提离轨面以上，适用于起伏普通轨运行。制动时钳式制动抱住轨头两侧，安全性高，可靠性强，值得大规模应用推广；The present invention implements emergency braking of the tractor when the steel wire rope breaks and the tractor (or shuttle car) slides downhill and overspeeds to the rated speed range, so as to realize the safety protection of the equipment. The brake system has automatic protection and manual protection functions. The brake adopts caliper hydraulic holding rail brake, which can be controlled manually and automatically, and is a fail-safe type. During operation, the brake caliper can be lifted above the rail surface, which is suitable for undulating common rail operation. When braking, the caliper brake hugs both sides of the rail head, which has high safety and reliability, and is worthy of large-scale application and promotion;
1、通过改进研究设计抱轨式制动缸结构，在原有的液压制动结构原理上创新增设了蝶形弹簧结构，通蝶形压簧与液压系统的动力配合，为轨道车辆提供更为稳定的制动抱轨力，有效保障了轨道车辆特别是在井下轨道人员运输车辆的制动系统的制动力和制动稳定性的需求；同时基于对称设置的左、右制动钳结构进行抱轨制动，具有更为稳定的制动效果；1. By improving the research and design of the rail-holding brake cylinder structure, a butterfly spring structure is innovatively added to the original hydraulic brake structure principle. Through the power cooperation between the butterfly spring and the hydraulic system, it provides more stable rail vehicles. The brake rail holding force effectively guarantees the braking force and braking stability requirements of the braking system of the rail vehicle, especially the underground rail personnel transport vehicle; at the same time, the rail holding is carried out based on the symmetrically arranged left and right brake caliper structures. Braking, with a more stable braking effect;
2、利用机械式离心力的原理，研究设计一种利用轮轴转动产生的离心力，实现限速保护，当轮轴转速达到一定时，即可通过机械结构实现车辆液压制动系统的启闭，彻底规避了电控式的传统主动制动系统的制动结构设计方式，对于井下特殊工况使用中，具有积极的改进意义和明显的突破，值得大规模在井下推广应用，同时，一般应用场合也可以加装本装置：机械式限速保护装置，实现纯机械式的限速结构，无需通过传感器或电子类元器件井下速度采集以及电控触发制动系统，安全级别更高。2. Using the principle of mechanical centrifugal force, research and design a centrifugal force generated by the rotation of the wheel shaft to achieve speed limit protection. When the wheel shaft speed reaches a certain level, the vehicle hydraulic brake system can be opened and closed through the mechanical structure, completely avoiding The braking structure design of the electronically controlled traditional active braking system has positive improvement significance and obvious breakthroughs in the use of special underground working conditions, and is worthy of large-scale popularization and application in the underground. At the same time, it can also be added to general applications. This device is installed: mechanical speed limit protection device, which realizes a purely mechanical speed limit structure, without the need for sensors or electronic components to collect underground speed and trigger the braking system electronically, with a higher level of safety.
附图说明Description of drawings
附图1为本发明所述一种矿用无极绳绞车的新型制动梭车系统的整车装配结构示意简图；Accompanying drawing 1 is a schematic diagram of the complete vehicle assembly structure of the novel braking shuttle car system of a kind of mine endless rope winch of the present invention;
附图2为本发明一种矿用无极绳绞车的新型制动梭车系统所述的超速保护装置与绞车辊轮的连接结构剖面示意图；Accompanying drawing 2 is a schematic cross-sectional view of the connection structure of the overspeed protection device and the winch roller described in the novel braking shuttle car system of a mine-used endless rope winch of the present invention;
附图3为本发明一种矿用无极绳绞车的新型制动梭车系统所述的液压抱轨装置的纵向截面图；Accompanying drawing 3 is the longitudinal sectional view of the hydraulic pressure holding rail device described in the novel brake shuttle car system of a kind of mine endless rope winch of the present invention;
附图4为本发明一种矿用无极绳绞车的新型制动梭车系统所述的超速保护装置的结构纵向剖面示意简图；Accompanying drawing 4 is the schematic diagram of the structural longitudinal section of the overspeed protection device described in the novel brake shuttle car system of a kind of mine endless rope winch of the present invention;
附图5为本发明一种矿用无极绳绞车的新型制动梭车系统所述的超速保护装置的侧面结构示意简图；Accompanying drawing 5 is the schematic diagram of the side structure of the overspeed protection device described in the novel brake shuttle car system of a kind of mine endless rope winch of the present invention;
附图6为本发明一种矿用无极绳绞车的新型制动梭车系统所述的液压制动缸的结构纵向剖面示意简图；Accompanying drawing 6 is the schematic diagram of the structural longitudinal section of the hydraulic brake cylinder described in the novel brake shuttle car system of a kind of mine endless rope winch of the present invention;
附图7为本发明一种矿用无极绳绞车的新型制动梭车系统所述的液压制动缸的结构横向向剖面示意简图。Accompanying drawing 7 is a schematic diagram of the structure transverse section of the hydraulic brake cylinder described in the novel braking shuttle car system of the endless rope winch for mine use according to the present invention.
具体实施方式detailed description
为了使本发明的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
如图1所示，一种矿用无极绳绞车的新型制动梭车系统，包括车桥6、固接于车桥6上的操纵室3、布设于车桥6底部的制动抱轨总成；操作室上3设有用于控制所述液压传动管路系统7的控制箱5，As shown in Figure 1, a new type of braking shuttle car system for a mine-used endless rope winch includes a vehicle bridge 6, a control room 3 fixed on the vehicle bridge 6, and a brake rail assembly arranged at the bottom of the vehicle bridge 6. into; the operating room 3 is provided with a control box 5 for controlling the hydraulic transmission pipeline system 7,
制动抱轨总成包括有：固接于车桥6底部的超速保护装置1、液压抱轨装置2以及液压传动管路系统7；The brake holding rail assembly includes: an overspeed protection device 1 fixed at the bottom of the axle 6, a hydraulic holding rail device 2 and a hydraulic transmission pipeline system 7;
如图2，超速保护装置1通过联动齿轮组与绞车辊轮4联动连接；连动齿轮组包括相互齿合的惰性齿轮42和辊齿轮41，辊齿轮41固定套设于绞车辊轮4的轮轴上；液压传动管路系统7设有用于启动液压管路连通的液压释放阀杆8；As shown in Figure 2, the overspeed protection device 1 is connected in linkage with the winch roller 4 through a linkage gear set; the linkage gear set includes an idler gear 42 and a roller gear 41 that mesh with each other, and the roller gear 41 is fixedly sleeved on the axle of the winch roller 4 Above; the hydraulic transmission pipeline system 7 is provided with a hydraulic release valve stem 8 for initiating hydraulic pipeline communication;
如图2以及图4-5所示，超速离保护装置1包括有壳体113以及轮轴11，轮轴11穿设于壳体113内，轮轴11的一端截面上设通过销轴活动设置有左离心块115及右离心块114，轮轴11的另一端固定套设有第一齿轮110，左、右离心块(115、114)之间沿轮轴11 截面的径向设置有制动弹簧13，右离心块114的下端部设有光销17，制动弹簧13一端设有用于调节制动弹簧13位置的调节螺母12，调节螺母12固接于轮轴11上，制动弹簧13的另一端还固设有弹簧轴 14；弹簧轴14与17光销相互卡合设置，壳体113上与弹簧轴14的对应位置固设有液压释放阀杆8；As shown in Figure 2 and Figures 4-5, the overspeed protection device 1 includes a housing 113 and a wheel shaft 11, the wheel shaft 11 is penetrated in the housing 113, and the cross section of one end of the wheel shaft 11 is provided with a left centrifugal wheel through a pin shaft. Block 115 and right centrifugal block 114, the other end of wheel shaft 11 is fixedly sleeved with the first gear 110, between the left and right centrifugal blocks (115, 114) is provided with braking spring 13 along the radial direction of wheel shaft 11 section, right centrifugal The lower end of the block 114 is provided with a light pin 17, and one end of the brake spring 13 is provided with an adjusting nut 12 for adjusting the position of the brake spring 13, the adjusting nut 12 is fixedly connected to the wheel shaft 11, and the other end of the brake spring 13 is also fixed There is a spring shaft 14; the spring shaft 14 and 17 light pins are engaged with each other, and the corresponding position of the housing 113 and the spring shaft 14 is fixed with a hydraulic release valve rod 8;
如图3所示，液压抱轨装置为设置于铁轨222正上方的一对液压制动缸2，该液压制动缸2包括：缸筒25以及套设于缸筒25一端外壁的活动套筒27；缸筒25的另一端设有液压油孔221，液压油孔221 通过液压管路连接于液压传动管路系统7；活动套筒27和缸筒25的外侧壁分别设有第一凸板215和第二凸板216，第一凸板及第二凸板分别通过销轴24转动连接有左制动钳24和右制动钳23，左制动钳 24和右制动钳23中部也通过轴销24实现交叉转动连接；As shown in Figure 3, the hydraulic rail holding device is a pair of hydraulic brake cylinders 2 arranged directly above the rail 222. The hydraulic brake cylinder 2 includes: a cylinder barrel 25 and a movable sleeve sleeved on the outer wall of one end of the cylinder barrel 25 27; the other end of the cylinder 25 is provided with a hydraulic oil hole 221, and the hydraulic oil hole 221 is connected to the hydraulic transmission pipeline system 7 through a hydraulic pipeline; the outer wall of the movable sleeve 27 and the cylinder 25 is respectively provided with a first convex plate 215 and the second convex plate 216, the first convex plate and the second convex plate are connected with the left brake caliper 24 and the right brake caliper 23 by pin 24 rotation respectively, and the left brake caliper 24 and the right brake caliper 23 middle parts are also The cross rotation connection is realized by the pivot pin 24;
缸筒25内轴向设有活塞杆213，活塞杆213的两端部位置分别套设有导向套28及活动套214，活塞杆213上与缸筒25端部对应处套设有紧固法兰210；A piston rod 213 is arranged in the axial direction of the cylinder 25, and a guide sleeve 28 and a movable sleeve 214 are sleeved at both ends of the piston rod 213, and a fastening method is sleeved on the piston rod 213 corresponding to the end of the cylinder 25 LAN 210;
活塞杆213与活动套筒27相对应的端部外侧壁上嵌设有第一固定卡环211，活动套筒27的底部位于所述第一固定卡环211的外侧设有压盖212，压盖212通过螺栓固定连接于活动套筒27底部；活塞杆213的中部位于导向套28与活动套214之间还套设有压簧26。A first fixed snap ring 211 is embedded on the outer wall of the corresponding end of the piston rod 213 and the movable sleeve 27, and the bottom of the movable sleeve 27 is located on the outer side of the first fixed snap ring 211 and is provided with a gland 212. The cover 212 is fixedly connected to the bottom of the movable sleeve 27 by bolts; the middle part of the piston rod 213 is located between the guide sleeve 28 and the movable sleeve 214 and is also sleeved with a compression spring 26 .
导向套28与缸筒25的内壁接触面上嵌设有第二固定卡环29，左、右制动钳(24、23)的下端部相对的侧壁上设有摩擦片21。第二固定环29可起到导向套28与缸筒25内壁的稳固连接，防止两者产生位移，影响制动效果；摩擦片21可起到增强制动钳的制动力，且便于通过更换摩擦片，确保制动缸机构的制动力。A second fixed snap ring 29 is embedded on the inner wall contact surface of the guide sleeve 28 and the cylinder barrel 25, and friction plates 21 are provided on the opposite side walls of the lower ends of the left and right brake calipers (24, 23). The second fixed ring 29 can play a role in the stable connection between the guide sleeve 28 and the inner wall of the cylinder 25 to prevent the displacement of the two and affect the braking effect; sheet to ensure the braking force of the brake cylinder mechanism.
轮轴11通过套设于轮轴11中部位置的轴承112与壳体113转动连接，轴承112的两侧面均设有弹性垫圈(图中未标出)；轮轴11上与第一齿轮110相对应的侧壁上还设置有突出的平键，第一齿轮110 通过平键实现与轮轴11一体转动，当所述弹簧轴14与所述光销17的卡合脱离时，弹簧13自然长度可确保弹簧轴14完全顶住液压释放阀杆8，继而触发液压传动管路系统7开启，达到启动液压制动系统7的目标。The wheel shaft 11 is rotatably connected to the housing 113 through the bearing 112 sleeved in the middle of the wheel shaft 11, and elastic washers (not shown in the figure) are provided on both sides of the bearing 112; the side corresponding to the first gear 110 on the wheel shaft 11 A protruding flat key is also provided on the wall. The first gear 110 can rotate integrally with the wheel shaft 11 through the flat key. When the engagement of the spring shaft 14 and the light pin 17 is disengaged, the natural length of the spring 13 can ensure that the spring shaft 14 fully withstands the hydraulic release valve rod 8, and then triggers the opening of the hydraulic transmission pipeline system 7 to achieve the goal of starting the hydraulic braking system 7.
如图6-7所示，活动套214的外侧壁上还套设有防溢密封圈217 以及导向环218，活塞杆213上与导向套214对应处还套设有O型密封圈220。As shown in Figures 6-7 , the outer wall of the movable sleeve 214 is further provided with an anti-overfill sealing ring 217 and a guide ring 218 , and the piston rod 213 is further provided with an O-ring 220 corresponding to the guide sleeve 214 .
如图4-5所示，左、右离心块(115、114)的为半圆弧形结构，轮轴11上设有所述左、右离心块(115、114)的端部为圆柱形凹槽结构，左、右离心块(115、114)均容置在所述圆柱形凹槽内，所述半圆弧形的半径小于轮轴11端部的圆柱形凹槽的内径。当轮轴11通过传动齿轮组进行高速转动时，左、右离心块(115、114)在离心力的作用下，相互分离，右离心块114带动光销17位移，从而将弹簧轴14与光销17的卡合限位结构失效，在制动弹簧13的作用下，弹簧轴14继续向下延伸，顶住液压释放阀杆8，从而触发液压传动管路系统7开启，达到机械检测轮轴转速的技术目的。As shown in Figure 4-5, the left and right centrifugal blocks (115, 114) are semicircular arc structures, and the ends of the left and right centrifugal blocks (115, 114) that are provided with the axle 11 are cylindrical grooves structure, the left and right centrifugal blocks (115, 114) are all accommodated in the cylindrical groove, and the radius of the semicircular arc is smaller than the inner diameter of the cylindrical groove at the end of the axle 11. When the axle 11 rotates at high speed through the transmission gear set, the left and right centrifugal blocks (115, 114) are separated from each other under the action of centrifugal force, and the right centrifugal block 114 drives the displacement of the light pin 17, thereby connecting the spring shaft 14 and the light pin 17 The clamping limit structure of the brake system fails, and under the action of the brake spring 13, the spring shaft 14 continues to extend downward to withstand the hydraulic release valve stem 8, thereby triggering the opening of the hydraulic transmission pipeline system 7, and achieving the technology of mechanically detecting the wheel shaft speed Purpose.
优选的，为保证在液压缸制动作用力后，当液压油从液压油孔中回流时，保证制动结构拥有持续稳定的制动力，压簧26具体为蝶形弹簧，可以提供更为稳定的压缩伸展力。Preferably, in order to ensure that the braking structure has a continuous and stable braking force when the hydraulic oil flows back from the hydraulic oil hole after the braking force of the hydraulic cylinder, the compression spring 26 is specifically a butterfly spring, which can provide a more stable compression stretch.
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the protection of the present invention. within range.
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| CN108799364A (en) * | 2018-07-12 | 2018-11-13 | 中铁磁浮科技（成都）有限公司 | Magnetic-levitation train brake clamp |
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| CN115179974A (en) * | 2022-06-29 | 2022-10-14 | 湘潭市恒欣实业有限公司 | Endless rope common rail transportation equipment and rope breakage protection device thereof |
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