CN204978656U - Mine locomotive walks capable portion - Google Patents
Mine locomotive walks capable portion Download PDFInfo
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- CN204978656U CN204978656U CN201520305875.2U CN201520305875U CN204978656U CN 204978656 U CN204978656 U CN 204978656U CN 201520305875 U CN201520305875 U CN 201520305875U CN 204978656 U CN204978656 U CN 204978656U
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- wheel
- gear
- retarder
- eef bogie
- traveling
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Abstract
The utility model relates to a mine locomotive walks capable portion, which comprises a motor, walk line portion and walk capable portion for two wheel pairs of no bogie, line portion is walked including pulling vibration damper to two wheel pairs, the wheel pair device, walk capable reduction gear, arresting gear, the automobile body is walked line portion with two wheel pairs and is connected through pulling vibration damper, wherein the motor with walk capable reduction gear and pass through power transfer device and be connected, the simultaneous wheels to the device also with walk capable retarder connection, electromotor drive walks capable reduction gear and drives the motion of wheel pair device, arresting gear is connected with the wheel pair device, the arresting gear control handwheel gos forward to the device, the system is simple in structure, can practice thrift space under the car greatly, can the bigger traction motor of installed power. Can show improvement mine locomotive drawbar power to under the condition that satisfies the locomotive boundary limit. Can be suitable for complicated topography, the shelf life is long, and the part wear rate is little.
Description
Technical field
The utility model relates to a kind of electric locomotive EEF bogie system, be applicable to the industry narrow gage railways such as coal, metallurgical mine, forest, railway construction, the good place transport traction of low biogas ventilation condition is dug in ground or tunnel, can carry out coal, material, ore, sandstone, equipment and personnel's hauling operation by hauling engine.
Background technology
Existing mine locomotive complex structure, can not adapt to any landform, and especially in the area that landform is more complicated, locomotive component is easily bad.
Utility model content
Technical problem to be solved in the utility model to provide a kind of structure simple, maintenance amount is few, the easy non-linear tractive characteristic locomotive running gear system realizing anticipation, in order to reduce the wearing and tearing of locomotive part and rail and improve the mine locomotive of railroad traction performance and drive ability, the technical scheme realizing above-mentioned purpose is as follows:
Mine locomotive EEF bogie, it is characterized in that: comprise electrical motor, described EEF bogie is take turns EEF bogie without two of bogie truck, described two take turns to EEF bogie comprise traction shock attenuation unit, take turns device, traveling retarder, brake equipment, car body and two is taken turns and is connected by drawing shock attenuation unit EEF bogie, wherein electrical motor is connected by torque transfer with traveling retarder, simultaneous wheels is also connected with traveling retarder device, direct motor drive traveling retarder driven wheel moves to device, brake equipment is connected device with wheel, and brake equipment control wheel is to the advance of device.
Preferably, described torque transfer is universal-joint.
Preferably, described traction shock attenuation unit is chevron pointing rubber spring, as shown in Figure 8, has four groups of chevron pointing rubber springs in the utility model.Chevron pointing rubber spring transmits longitudinal traction, braking force and transverse force, play the damping of vibrations in vertical, horizontal and vertical three directions simultaneously, the rubber spring life-span can reach 1,500,000 more than km simultaneously, can reach effects such as reducing locomotive damage of components, rail abrasion.
Preferably, described wheel comprises four wheels to device, axletree, axle box, described traveling retarder is arranged in axle box, traveling retarder adopts cylinder-cone gear reducer, cylinder-cone gear reducer comprises small Spur gear, large straight gear, bevel pinion, bevel gear wheel, wherein small Spur gear, large straight gear intermeshes and is connected to form primary transmission, bevel pinion, bevel gear wheel intermeshes and is connected to form secondary transmission, universal-joint one end connects electrical motor, the other end is connected with small Spur gear and bevel gear wheel respectively, axletree is socketed on bevel gear wheel simultaneously, the two ends of axletree connect a wheel respectively, the moment of torsion that electrical motor produces passes to the small Spur gear of traveling retarder through universal-joint, bevel pinion is passed to by large straight gear through primary speed-down, axletree rotary actuation vehicle wheel rotation is driven by bevel gear wheel through double reduction.Traveling retarder adopts structure as illustrated in figs. 5-7.
Preferably, described electrical motor is AC traction motor.
Preferably, described brake equipment adopts one-sided, single brake shoe and the brake equipment that can adjust of brake clearance.
Preferably, described axletree comprises axle journal, axle body and wheel seat, and wherein the two ends of axle body are connected with axle journal and wheel seat respectively, junction rounding off.
AC traction motor on locomotive is rigid suspended on car body, greatly can alleviate unsprung weight like this, decrease the impulsive force between wheel track, improve the service conditions of locomotive traction motor and traction gear, the traction motor on locomotive and electrical equipment portion is made directly to bear impact from rail level, and make vehicle body upper portion structure obtain buffering, ensure that stability and the reliability of locomotive operation.
The utility model is applicable to the industry narrow gage railways such as coal, metallurgical mine, forest, railway construction, the good place transport traction of low biogas ventilation condition is dug in ground or tunnel, can carry out coal, material, ore, sandstone, equipment and personnel's hauling operation by hauling engine.
Accompanying drawing explanation
Fig. 1 is that reducer power transmits schematic diagram
Fig. 2 is structure of axle box section-drawing
Fig. 3 is traction drive figure
Fig. 4 is axletree schematic diagram
Fig. 5 traveling retarder front view
Fig. 6 is Fig. 5 lateral plan
Fig. 7 is Fig. 5 birds-eye view
In Fig. 8,1-1 is chevron pointing rubber spring front view, and 1-2 is 1-1 lateral plan, and 1-3 is 1-1 birds-eye view
Figure number illustrates: small Spur gear 1, large straight gear 2, bevel pinion 3, bevel gear wheel 4, wheel 5, traveling retarder 6, universal-joint 7, electrical motor 8, car body 9, axle box 10, chevron pointing rubber spring 11, axletree 12.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in detail.
In figure, mine locomotive EEF bogie comprises electrical motor 8, the EEF bogie of mine locomotive EEF bogie is take turns EEF bogie without two of bogie truck, two take turns and comprise traction shock attenuation unit to EEF bogie, wheel is to device, traveling retarder 6, brake equipment, car body 9 and two is taken turns and is connected by drawing shock attenuation unit EEF bogie, wherein electrical motor 8 is connected by torque transfer with traveling retarder, the preferred universal-joint 7 of torque transfer, simultaneous wheels is also connected with traveling retarder device, electrical motor 8 drives traveling retarder driven wheel to move to device, brake equipment is connected device with wheel, brake equipment control wheel is to the advance of device, brake equipment adopts prior art with wheel to the connection of device, in this not go into detail, in the utility model, electrical motor adopts AC traction motor.
Because locomotive running gear does not have bogie truck, so car body 9 is directly connected by drawing shock attenuation unit with EEF bogie, and car body and EEF bogie connection mode a lot, as: laminated spring supporting location, drawing strickle guide formula is located, rubber spring location etc., and rail transportation circuit situation is poor in mine, maintainability is more weak, for slowing down the vibration of locomotive, reducing the impact between wheel, rail, improving stability, reliability, the minimizing maintenance capacity of locomotive operation, adopt chevron pointing rubber spring as traction shock attenuation unit, chevron pointing rubber spring can adopt CKJ-50K model; Simultaneously because rubber spring structure is simple, lightweight, maintenance amount is little, in addition by the restriction that body construction requires, therefore the connection of this car car body EEF bogie adopts chevron pointing rubber spring, four groups of chevron pointing rubber springs are used in the utility model, car body straddles outside four groups of chevron pointing rubber springs, and car body opposite side connects with axle box, such car body is supported on the axle box of EEF bogie by rubber spring.AC traction motor on locomotive is rigid suspended on car body, greatly can alleviate car body weight like this, decrease the impulsive force between wheel track, improve the service conditions of locomotive traction motor and traction gear, the traction motor on locomotive and electrical equipment portion is made directly to bear impact from rail level, and make vehicle body upper portion structure obtain buffering, ensure that stability and the reliability of locomotive operation.Chevron pointing rubber spring also transmits longitudinal traction or braking force and transverse force, plays the damping of vibrations in vertical, horizontal and vertical three directions simultaneously.The rubber spring life-span can reach 1,500,000 more than km, to minimizing locomotive damage of components, and rail abrasion and improve railroad traction performance there is good effect.
Wheel comprises several wheel 5 to device, axletree, axle box 10, described traveling retarder 6 is arranged in axle box 10, traveling retarder adopts cylinder-cone gear reducer, cylinder-cone gear reducer comprises small Spur gear 1, large straight gear 2, bevel pinion 3, bevel gear wheel 4 (size of gear be only between two identical gears comparatively speaking), wherein small Spur gear 1, large straight gear 2 intermeshes and is connected to form primary transmission, bevel pinion 3, bevel gear wheel 4 intermeshes and is connected to form secondary transmission, universal-joint 7 one end connects electrical motor, the other end is connected with small Spur gear and bevel gear wheel respectively, axletree 12 is socketed on bevel gear wheel simultaneously, the two ends of axletree connect a wheel 5 respectively, the moment of torsion that electrical motor produces passes to the small Spur gear 1 of traveling retarder through universal-joint 7, bevel pinion 3 is passed to by large straight gear 2 through primary speed-down, axletree rotary actuation vehicle wheel rotation is driven by bevel gear wheel 4 through double reduction, produce traction drives locomotive operation.
Take turns the rim wheel of diameter phi 680mm series being adopted to regulation in JB3269-83 " narrow gauge operating mode electrical motor wheel is to series ", the A type tread profile in wheel tread employing 684695-84 " narrow gage locomotive vehicle wheel tread shape and size " and size.
The location of axle box adopts chevron pointing rubber spring 11 to locate.In axle box, there is bearing, bearing is under normal application, topmost damage type is Fatigue peelback, Fatigue peelback is the Main Basis of bearing life calculating and size Selection for this reason, therefore axle box bearing uses the model of 7318E, within 35000 hours, Fatigue peelback be can not there is, after adopting tapered roller bearing, significantly train starting resistance and running resistance reduced.
Axletree is also one of most important parts in locomotive running gear, is that wheel is to the maincenter rotated.The quality of axletree, is directly connected to safe operation, therefore must be strict with in design, manufacture.Axletree selects 40Cr to modulate alloy steel manufacture, axletree divides several parts such as axle journal, axle body and wheel seat, as shown in Figure 4, the two ends of axle body are connected with axle journal, wheel seat respectively, suffered by axletree, stress is reverse stress, and losing of axletree is most of caused by endurance failure, and therefore the junction at axletree different-diameter place adopts circular arc excessive, arc radius is got greatly as far as possible, and axletree component adopts polishing or roll extrusion process.
Traveling reducer structure is shown in Fig. 5-7.Usually, for reducing the impulsive force from wheel and rail that finishing bevel gear cuter is subject to, while also avoid finishing bevel gear cuter excessive, not easily process, the transmission of power of two-stage reduction gear is cylinder-conical gear structure, but the connection of this locomotive universal-joint and this structure inconsistent.Car lower part size is nervous simultaneously, the power transmission mode that thus this retarder employing cylinder-conical gear is such.Because the rotating speed of finishing bevel gear cuter is low, add and man-hour the working accuracy of finishing bevel gear cuter and the requirement of tooth-face roughness are decreased.
Traveling retarder output torque is 650N.M, and first order transmitting ratio is 4.563, and second stage transmitting ratio is 2.765, and overall gear ratio is 12.614, is totally-enclosed cylinder-conical gear double reductor, can Bidirectional driving.
Small Spur gear 1 and large straight gear 2 adopt six class precisions, and modulus is 6.Wherein small Spur gear 1 material is 40Cr, Quenching Treatment, HRC50 ~ 55, and the number of teeth is 16; Large straight gear 2 material is 42CrMo, modulation treatment, HB300 ~ 350, and the number of teeth is 73, and first order gear, in the good situation of lubrication, works 14 hours every day, and annual work 300 days, can work 6 years.
Bevel pinion 3 and bevel gear wheel 4 adopt six class precisions, and modulus is 9.Wherein bevel pinion 3 material 240CrMo, carburizing and quenching, HRC60 ~ 62, the number of teeth is 17; Bevel gear wheel 4 material is 42CrMo, and Quenching Treatment hardness is HRC46 ~ 50, the number of teeth 47, second stage gear when lubricating better, medium impact, work every day 14 hours, annual work 300 days, useful life can be 6 years.
Braking in brake equipment comprises air brake, hand braking, rheostatic brake, can ensure the safe operation of locomotive.
The lever system that locomotive foundation brake rigging is driven by brake cylinder and brake block etc. form.Under the stopping distance meeting locomotive requires, adopt one-sided, single brake shoe and the adjustable brake equipment of brake clearance.By adjusting the screw of brake connecting rod lower end, the gap between brake shoe and rim is maintained within the scope of 2 ~ 3mm, to brake rapidly.Single shoe brake apparatus structure is simple, lighter in weight, but during braking, brake shoe pressure is higher, brake shoe wearing chunk.Consider that this locomotive has the characteristic of electric braking, especially AC drive locomotive electric braking performance is more excellent.When locomotive normal brake application, preferentially adopt electric braking, brake shoe wear intensity can be alleviated like this, extend brake shoe service life.
" (254mm) brake cylinder, leverage ratio chooses 6, and lever system is made up of cross bar, fork arm and suspension rod etc. in the brake cylinder employing 10 of air brake.
Being parked in the requirement of ramp slipping car accident and meeting stopping distance for preventing locomotive, being also provided with hand brake device.Hand brake device has two covers, before being contained in respectively, on the rear wall of driver's cab.
The utility model and traditional mine locomotive difference:
(1) mine locomotive EEF bogie is taken turns EEF bogie without two of bogie truck.It comprises traction shock attenuation unit, takes turns composition, traveling retarder, foundation brake rigging etc., and car body is directly connected with EEF bogie.It crawls to the transversal dynamic performance of locomotive and suppression and has decisive role, and this just requires that axle-box positioning device respectively has suitable elasticity locating stiffness value at vertical and horizontal.Tradition mine car have employed laminated spring supporting locate mode, and this EEF bogie system have employed " people " font rubber spring location.Laminated spring is not due to good by effectiveness in vibration suppression in vertical and horizontal power, and the shortcoming such as laminated spring sheet defectiveness sensivity is high; And rubber spring can play vertical, transverse direction, longitudinally three directions damping of vibrations simultaneously, for simplified structure, maintenance amount is few, the easy nonlinear characteristic realizing anticipation, reduces the wearing and tearing of locomotive part and rail and improves railroad traction performance and drive ability all has good effect; Simultaneously because the rubber spring life-span can reach 1,500,000 more than km, there is positive effect to reliability, the minimizing maintenance capacity improving locomotive.
(2) generally for the impulsive force from wheel and rail reducing finishing bevel gear cuter and be subject in reducer structure, also avoid finishing bevel gear cuter excessive simultaneously, the shortcoming of not easily processing, the transmission of power of two-stage reduction gear is cylinder-conical gear structure, but the connection of this locomotive universal-joint and this structure inconsistent.And car lower part size is nervous, the power transmission mode that thus this retarder employing cylinder-conical gear is such.Because the rotating speed of finishing bevel gear cuter is low, add and man-hour the working accuracy of finishing bevel gear cuter and the requirement of tooth-face roughness are decreased.This scheme is compared the traditional first order and is adopted finishing bevel gear cuter rear class to adopt the scheme of straight gear greatly can save space under car, can the larger electrical motor of installation power.Mine locomotive tractive output can be significantly improved under the condition meeting locomotive gauge.
These are only the preferred embodiment of the utility model embodiment; not in order to limit the utility model embodiment; within all spirit in the utility model embodiment and principle; any amendment of doing, equivalent replacement, improvement etc., all should be included in the protection domain of the utility model embodiment.
Claims (7)
1. mine locomotive EEF bogie, it is characterized in that: comprise electrical motor, described EEF bogie is take turns EEF bogie without two of bogie truck, described two take turns and comprise traction shock attenuation unit to EEF bogie, wheel is to device, traveling retarder, brake equipment, car body and two is taken turns and is connected by drawing shock attenuation unit EEF bogie, wherein electrical motor is connected by torque transfer with traveling retarder, simultaneous wheels is also connected with traveling retarder device, direct motor drive traveling retarder driven wheel moves to device, brake equipment is connected device with wheel, brake equipment control wheel is to the advance of device.
2. mine locomotive EEF bogie according to claim 1, is characterized in that: described torque transfer is universal-joint.
3. mine locomotive EEF bogie according to claim 1, is characterized in that: described traction shock attenuation unit is chevron pointing rubber spring.
4. mine locomotive EEF bogie according to claim 2, it is characterized in that: described wheel comprises four wheels to device, axletree, axle box, described traveling retarder is arranged in axle box, traveling retarder adopts cylinder-cone gear reducer, cylinder-cone gear reducer comprises small Spur gear, large straight gear, bevel pinion, bevel gear wheel, wherein small Spur gear, large straight gear intermeshes and is connected to form primary transmission, bevel pinion, bevel gear wheel intermeshes and is connected to form secondary transmission, universal-joint one end connects electrical motor, the other end is connected with small Spur gear and bevel gear wheel respectively, axletree is socketed on bevel gear wheel simultaneously, the two ends of axletree connect a wheel respectively, the moment of torsion that electrical motor produces passes to the small Spur gear of traveling retarder through universal-joint, bevel pinion is passed to by large straight gear through primary speed-down, axletree rotary actuation vehicle wheel rotation is driven by bevel gear wheel through double reduction.
5. mine locomotive EEF bogie according to claim 1, is characterized in that: described electrical motor is AC traction motor.
6. mine locomotive EEF bogie according to claim 1, is characterized in that: described brake equipment adopts one-sided, single brake shoe and the brake equipment that can adjust of brake clearance.
7. mine locomotive EEF bogie according to claim 4, it is characterized in that: described axletree comprises axle journal, axle body and wheel seat, wherein the two ends of axle body are connected with axle journal and wheel seat respectively, junction rounding off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520305875.2U CN204978656U (en) | 2015-05-13 | 2015-05-13 | Mine locomotive walks capable portion |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520305875.2U CN204978656U (en) | 2015-05-13 | 2015-05-13 | Mine locomotive walks capable portion |
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| Publication Number | Publication Date |
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| CN204978656U true CN204978656U (en) | 2016-01-20 |
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| CN201520305875.2U Expired - Fee Related CN204978656U (en) | 2015-05-13 | 2015-05-13 | Mine locomotive walks capable portion |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105015560A (en) * | 2015-05-13 | 2015-11-04 | 兰州交通大学 | Mining locomotive walking part system |
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- 2015-05-13 CN CN201520305875.2U patent/CN204978656U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105015560A (en) * | 2015-05-13 | 2015-11-04 | 兰州交通大学 | Mining locomotive walking part system |
| CN105015560B (en) * | 2015-05-13 | 2018-03-06 | 兰州交通大学 | Mine locomotive EEF bogie system |
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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: 20160120 Termination date: 20160513 |