CN205113294U - Intelligence electric machine friction arresting gear - Google Patents
Intelligence electric machine friction arresting gear Download PDFInfo
- Publication number
- CN205113294U CN205113294U CN201520900347.1U CN201520900347U CN205113294U CN 205113294 U CN205113294 U CN 205113294U CN 201520900347 U CN201520900347 U CN 201520900347U CN 205113294 U CN205113294 U CN 205113294U
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- brake
- push rod
- clamp
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- brake clamp
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Abstract
The utility model relates to a EMUs arresting gear field, concretely relates to intelligence electric machine friction arresting gear, including electric drive thrust device, braking clamp, brake disc, the upper end centre gripping brake disc of braking clamp, its characterized in that, the electric drive thrust device include nut screw -nut subassembly, the motor be connected with spiral screw -nut subassembly, with the nut fixed joint's of spiral screw -nut subassembly push rod, the electric drive thrust device connect the lower extreme of braking clamp. Compare with pneumatics or hydraulic braking device, intelligence electric machine friction arresting gear has following advantage: with electronic braking device drive brake actuator, replace pneumatic line with the electrontranspor tstorey circuit, simplify braking system's structure, weight and volume, reduction body construction's complexity, high integrated machine, electricity integration system have higher security and reliability.
Description
Technical field
The utility model relates to motor train unit brake equipment field, is specifically related to a kind of intelligent electric machinery friction stopping device.
Background technology
Controlling the mechanical friction brake equipment of braking force with air pressure is one of guideway vehicle core component, is the key equipment ensureing safe train operation, and it is independent or work in coordination with other brake equipments and jointly complete the braking procedure of vehicle.In order to improve car brakeing reliability and brake accuracy, the motor train unit such as city railway vehicle extensively adopt electro pneumatic braking system, it is converted to gas brake command the electric braking order from microcomputer brake control unit, the brake cylinder driving device friction stopping device exported after gas flow and pressure amplify again, realizes the output of braking force.
Existing electro pneumatic braking system comprises: control for brake bus: for each subsystem of vehicle and transmission and the feedback of status of braking coherent signal; Wind regime and storage wind unit: for braking and control for brake improve stable bleed pressure; Gas circuit piping: be communicated with each pneumatic valve, pneumatics and brake cylinder; Microcomputer brake control unit: accept and resolve the braking instruction from train automatic controlling system (ATO) or driver controller, the parameters such as the speed of a motor vehicle that the car weight obtained in conjunction with pressure sensor gathers adapt air spring pressure, speed sensor gather, COMPREHENSIVE CALCULATING braking force, coordinate train draft control unit, control gas brak control unit, realize based on electric braking, air brake is the auxiliary empty Associated brake of electricity; Gas brak control unit: gas brak control unit (PBCU) is made up of various pneumatic valve, pressure sensor and the gas path integrated block of linking up each pneumatic element.According to braking control system requirement, by each passage in gas path integrated block, each pneumatic element is linked up each other.PBCU accepts the control electric signal from microcomputer brake control unit, and realize the conversion of electric-gas signal, gas flow amplifies, and exports corresponding air brake pressure to foundation brake rigging, complete the processes such as braking, alleviation according to control for brake order; Pressure sensor: the pressure signal needed for regenerative braking controls; Speed sensor: measure faster rotating wheel; Antiskid unit: vehicle limited slip is protected; Brake cylinder: export braking force.
Highly integrated Electro-pneumatic Brake Control Unit comprises A: pressure main control unit; B: long-range release control unit; C: antiskid unit; D: slide switch unit; E: voltage regulation unit; F: long-range liberation port.
It is mutual, engaged with one another that other system in electro pneumatic braking system and train carries out various braking information, jointly completes the control for brake of train.Adopt electric braking when the speed of a motor vehicle is higher, adopt mechanical friction braking when the speed of a motor vehicle is low, the advantage making full use of each brake mode improves speed of response, the precision of braking, reduces mechanical wear, extends maintenance cycle and improves service life.There is following problem in the structure of electro pneumatic braking system and Volume control:
1. the efficiency of the transferring energy of air operated control is lower, and wind regime is larger with storage wind apparatus weight and volume;
2. the pipeline connecting each pneumatic valve and pneumatics is more, and complicated piping adds the fault rate of body construction complexity and brake system, and the work capacity of the processing of piping, assembling and maintenance is large;
3. take electromagnetic valve as the mechanical shift that electric signal is changed into spool by core parts, realize electricity and the conversion of gas, control the flow of gas, pressure change.Large and the contact type structure of inside of its work frequency result in the effect of attrition work life of valve;
4. coordinate with the mutual action of many electromagnetism-gas-driving valves and realize all kinds of braking function; Associated brake as empty in electricity, service braking, emergency braking, anti-skidding protection and release of brake etc.; the gas circuit structure of the inside of gas brak control unit and gas circuit control very complicated; the technical risk manufactured is large, buying and maintenance cost high.
5. different vehicles (as motor-car or trailer) need use the gas brak control unit of different types, need reconfigure once train changes classification type to system.
6. adopt rubber seal easy to wear and aging in a large number in electro pneumatic braking system gas circuit, ensure that the safety and reliability of braking need keep in repair frequently to system, maintenance cycle is shorter, and work capacity is large.
Utility model content
The purpose of this utility model is to overcome above-mentioned defect, the intelligent electric machinery friction stopping device of the higher safety and reliability that proposes a kind of simplified structure, reduces the complexity of body construction, has.
To achieve these goals, the technical solution adopted in the utility model is: intelligent electric machinery friction stopping device, comprise driven by power thruster, brake clamp, brake disc, the upper end clamping brake disc of brake clamp, it is characterized in that, described driven by power thruster comprises nut-screw rod nut assembly, the motor be connected with helical screw nut assembly, the push rod that is fixedly connected with the nut of helical screw nut assembly, and described driven by power thruster connects the lower end of brake clamp.
Aforesaid intelligent electric machinery friction stopping device, pipe link is fixed on the left of push rod by force snesor; The right half part of the lower end of brake clamp is fixedly connected with the position away from push rod left end on driven by power thruster, and the left-half of the lower end of brake clamp and the left end of pipe link are fixed and move along with the movement of push rod.
Aforesaid intelligent electric machinery friction stopping device, the left side of driven by power thruster is provided with force snesor, and right side is provided with displacement pickup; Driven by power thruster is also electrically connected with speed sensor; Driven by power thruster is also provided with the control circuit board be electrically connected with force snesor, displacement pickup, speed sensor and motor.
Aforesaid intelligent electric machinery friction stopping device, driven by power thruster is also provided with the structure for installing helical screw nut assembly, screw mandrel by radial thrust bearing, spacer and and cap be fixed in the mounting hole of structure.
Aforesaid intelligent electric machinery friction stopping device, pipe link is connected with force snesor and is directly delivered on force snesor by the application force on pipe link, the cylindrical of push rod left end is processed with the guide groove that several well-distributeds coordinate with guide flange endoporus guide groove, the described guide flange being fixed on structure supports the rotary motion of sway with limit push rod of push rod.
Aforesaid intelligent electric machinery friction stopping device, motor drives the screw mandrel of helical screw nut assembly to rotate and nut translation promote push rod and pipe link sway and make brake clamp clamp or unclamp by leverage; Stretch out when push rod moves to left, the distance of left and right half part of brake clamp lower end increases, and the distance of two pieces of brake facings of brake clamp upper end reduces to make brake clamp clamp brake disc; When push rod moves to right in retracted arrangement body, the distance of left and right half part of brake clamp lower end reduces, and the distance increase of two pieces of brake facings of upper end makes brake clamp take-off the brake dish.Two pieces, the left and right brake facing of brake clamp upper end is for clamping brake disc, and the left-half of left brake facing and brake clamp lower end forms leverage, left-half when brake clamp lower end is moved to the left, and left brake facing moves right and makes brake clamp clamp brake disc, otherwise on the contrary.
Compared with pneumatic or hydraulic brake system, intelligent electric machinery friction stopping device has following advantage:
1. drive brake actuator with electronics brake equipment, replace pneumatic line with electronics transmission route, simplify structure, the weight and volume of brake system, reduce the complexity of body construction;
2. highly integrated mechanical, electrical integral system has higher safety and reliability;
3. the integral structure that mechanical friction device, control and actuating device height are integrated, volume is little, lightweight, simple installation, electro-mechanical driving device has higher reliability and service life than pneumatic actuating device, adopt the structure of external replaceable, the work capacity of daily attention is few, and maintenance cycle is long.
Accompanying drawing explanation
Fig. 1 is mounting structure figure of the present utility model;
Fig. 2 and Fig. 3 is constructional drawing of the present utility model;
Wherein, 1 driven by power thruster, 2 brake clamps, 3 brake discs, 4 speed sensors, 5 force snesor, 6 displacement pickups, 1 ' structure, 2 ' screw mandrel, 3 ' nut, 4 ' bearing, 5 ' spacer, 6 ' and cap, 7 motors, 8 push rods, 10 pipe links, 11 control circuit boards, 12 cable connectors, 14 guide flanges, 15 cover plates, 16 guide grooves, 17 erection supports.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model will be further described.
The utility model proposes the power-actuated mechanical friction brake equipment of a kind of Based Intelligent Control be made up of intelligent electric thruster and brake clamp, as shown in Figure 1.
Intelligent electric power mechanical friction brake equipment, comprises driven by power thruster 1, brake clamp 2, brake disc 3, speed sensor 4, force snesor 5 and displacement pickup 6 and forms.The lower end of brake clamp connects driven by power thruster, the upper end clamping brake disc of brake clamp.The left side of driven by power thruster is provided with force snesor, and right side is provided with displacement pickup.Driven by power thruster is also connected with speed sensor.The right half part of the lower end of brake clamp is fixedly connected with the central authorities of driven by power thruster or right side, the left-half of the lower end of brake clamp and the left end of pipe link are fixed and move along with the movement of push rod, stretch out when push rod moves to left, the distance of left and right half part of brake clamp lower end increases, and the distance of two pieces of brake facings of upper end reduces to make brake clamp clamp brake disc; When push rod moves to right in retracted arrangement body, the distance of left and right half part of brake clamp lower end reduces, and the distance increase of two pieces of brake facings of upper end makes brake clamp take-off the brake dish.
Motorized motions thruster is made up of structure 1 ' (as main frame), control circuit board 11, motor 7, helical screw nut assembly (comprising screw mandrel 2 ' and nut 3 '), the push-rod assembly (comprising push rod 8) being provided with force snesor 5 and speed sensor, screw mandrel by two pieces radial thrust bearing 4 ', spacer 5 ' and and cap 6 ' is fixed in the mounting hole of structure, the axial force that the rotation of radial thrust bearing support screw and screw mandrel transmit, and cap is for adjusting the predetermincd tension of bearing; Spacer is between two pieces bearing, and the tight bearing edge of crown and being fixed on screw mandrel.The right-hand member macropore mounting nuts 3 ' of push rod 8, the elongated hole of right-hand member central authorities is convenient to screw mandrel and is moved forward and backward in inside, the tapped bore installing force sensor of left end, pipe link 10 is threaded with force snesor and the application force on pipe link is directly delivered to (for detecting clamp gripping power or braking force) on force snesor, the cylindrical of push rod 8 left end is processed with the guide groove 16 coordinated with guide flange 14 endoporus guide groove that several are uniform, the guide flange 14 being fixed by bolts to structure supports the rotary motion of sway with limit push rod of push rod.Motor 7 is connected with screw mandrel 2 ' by resilient sleeve or flat key and drives helical screw nut assembly to promote push rod and pipe link sway clamps to promote brake clamp or unclamps.
The outside of structure 1 ' is covered by cover plate 15, is provided with erection support 17 bottom cover plate.Described control circuit board 11 edge is provided with cable connector 12.
Principle of work: first carry out self-inspection when intelligent electric machinery friction stopping device switches on power, motor pushing push rod move to left the power that makes brake clamp clamp brake disc to the power rear push-rod of a setting value or 100N move to right certain position make brake clamp and brake disc have certain gap after displacement pickup to demarcate push rod position be zero position, confirm to complete initialization after each component operation is normally.
After intelligent electric machinery friction stopping device receives speed-slackening signal and demand value signal, control circuit board controls motor driving screw mandrel rotation and is moved to left by nut promotion push rod to make clamp clamping brake disc implement to brake to wheel, speed sensor is to the state of rotating speed after control circuit board regenerative braking, force snesor is to the state of control circuit feedback clamp gripping power, and control circuit contrasts feedback signal and demand value signal and adjustment completes braking procedure simultaneously; Brake rear control circuit push rod returned zero point according to demand signals or continue to keep certain braking force.Brake gear in electric machine assembly, for keeping push rod position, namely maintains the zero position of push rod or maintains the holding position of braking force.It is worth mentioning that, do not use control circuit board, also can artificially judge and drive motor rotate, and then push rod is moved so adjustable brake clamp to the clamping of brake disc with unclamp.When brake equipment et out of order can not take-off the brake clamp release braking force time, by manual type release jaw actuator power and isolation control circuit to the control of motor, ensure the normal work of other brake equipments.
Above-described embodiment does not limit the utility model in any form, the technical scheme that the mode that all employings are equal to replacement or equivalent transformation obtains, and all drops on protection domain of the present utility model.
Claims (6)
1. intelligent electric machinery friction stopping device, comprise driven by power thruster, brake clamp, brake disc, the upper end clamping brake disc of brake clamp, it is characterized in that, described driven by power thruster comprises nut-screw rod nut assembly, the motor be connected with helical screw nut assembly, the push rod that is fixedly connected with the nut of helical screw nut assembly, and described driven by power thruster connects the lower end of brake clamp.
2. intelligent electric machinery friction stopping device according to claim 1, it is characterized in that, pipe link is fixed on the left of push rod by force snesor; The right half part of the lower end of brake clamp is fixedly connected with the position away from push rod left end on driven by power thruster, and the left-half of the lower end of brake clamp and the left end of pipe link are fixed and move along with the movement of push rod.
3. intelligent electric machinery friction stopping device according to claim 1, it is characterized in that, the left side of driven by power thruster is provided with force snesor, and right side is provided with displacement pickup; Driven by power thruster is also electrically connected with speed sensor; Driven by power thruster is also provided with the control circuit board be electrically connected with force snesor, displacement pickup, speed sensor and motor.
4. intelligent electric machinery friction stopping device according to claim 3, it is characterized in that, driven by power thruster is also provided with the structure for installing helical screw nut assembly, screw mandrel by radial thrust bearing, spacer and and cap be fixed in the mounting hole of structure.
5. intelligent electric machinery friction stopping device according to claim 2, it is characterized in that, pipe link is connected with force snesor and is directly delivered on force snesor by the application force on pipe link, the cylindrical of push rod left end is processed with the guide groove that several well-distributeds coordinate with guide flange endoporus guide groove, the described guide flange being fixed on structure supports the rotary motion of sway with limit push rod of push rod.
6. intelligent electric machinery friction stopping device according to claim 2, it is characterized in that, motor drives the screw mandrel of helical screw nut assembly to rotate and nut translation promote push rod and pipe link sway and make brake clamp clamp or unclamp by leverage; Stretch out when push rod moves to left, the distance of left and right half part of brake clamp lower end increases, and the distance of two pieces of brake facings of brake clamp upper end reduces to make brake clamp clamp brake disc; When push rod moves to right in retracted arrangement body, the distance of left and right half part of brake clamp lower end reduces, and the distance increase of two pieces of brake facings of upper end makes brake clamp take-off the brake dish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520900347.1U CN205113294U (en) | 2015-11-12 | 2015-11-12 | Intelligence electric machine friction arresting gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520900347.1U CN205113294U (en) | 2015-11-12 | 2015-11-12 | Intelligence electric machine friction arresting gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205113294U true CN205113294U (en) | 2016-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520900347.1U Expired - Fee Related CN205113294U (en) | 2015-11-12 | 2015-11-12 | Intelligence electric machine friction arresting gear |
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| CN (1) | CN205113294U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105936262A (en) * | 2016-07-12 | 2016-09-14 | 桂林思超汽车科技有限公司 | Electrically-controlled auxiliary braking method and device |
| CN111301386A (en) * | 2020-03-31 | 2020-06-19 | 常州中车铁马科技实业有限公司 | Yoke end assembly, transmission module, electromechanical brake device, brake caliper unit and rail vehicle |
| IT202100031565A1 (en) * | 2021-12-16 | 2023-06-16 | Faiveley Transport Italia Spa | Electromechanical actuator for a braking system of a vehicle, braking system and vehicle |
| CN118438989A (en) * | 2024-05-21 | 2024-08-06 | 苏州意锐聚自动化设备有限公司 | Electric cylinder, parking brake system and parking brake control method |
-
2015
- 2015-11-12 CN CN201520900347.1U patent/CN205113294U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105936262A (en) * | 2016-07-12 | 2016-09-14 | 桂林思超汽车科技有限公司 | Electrically-controlled auxiliary braking method and device |
| CN105936262B (en) * | 2016-07-12 | 2019-01-11 | 桂林思超汽车科技有限公司 | Electric-control auxiliary brake method and device |
| CN111301386A (en) * | 2020-03-31 | 2020-06-19 | 常州中车铁马科技实业有限公司 | Yoke end assembly, transmission module, electromechanical brake device, brake caliper unit and rail vehicle |
| IT202100031565A1 (en) * | 2021-12-16 | 2023-06-16 | Faiveley Transport Italia Spa | Electromechanical actuator for a braking system of a vehicle, braking system and vehicle |
| WO2023111972A1 (en) * | 2021-12-16 | 2023-06-22 | Faiveley Transport Italia S.P.A. | Electromechanical actuator for a braking system of a vehicle, braking system and vehicle |
| CN118438989A (en) * | 2024-05-21 | 2024-08-06 | 苏州意锐聚自动化设备有限公司 | Electric cylinder, parking brake system and parking brake control method |
| CN118438989B (en) * | 2024-05-21 | 2024-10-01 | 苏州意锐聚自动化设备有限公司 | Electric cylinder, parking brake system and parking brake control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160330 Termination date: 20191112 |