CN203126559U - Hanging frame foundation supporting module of mid-low speed magnetic levitation vehicle - Google Patents
Hanging frame foundation supporting module of mid-low speed magnetic levitation vehicle Download PDFInfo
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- CN203126559U CN203126559U CN 201320011402 CN201320011402U CN203126559U CN 203126559 U CN203126559 U CN 203126559U CN 201320011402 CN201320011402 CN 201320011402 CN 201320011402 U CN201320011402 U CN 201320011402U CN 203126559 U CN203126559 U CN 203126559U
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- flange
- trailing arm
- low speed
- electric motors
- speed magnetic
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Abstract
The utility model relates to the technical field of running mechanisms of magnetic levitation vehicles, in particular to a hanging frame foundation supporting module of a mid-low speed magnetic levitation vehicle. The hanging frame foundation supporting module comprises a supporting arm, flanges and a longitudinal beam. Two ends of the longitudinal beam are respectively connected with one flange in a welding mode, the supporting arm is connected with the longitudinal beam through the flanges, and the flanges are fixedly connected with the supporting arm through bolts. The hanging frame foundation supporting module has the following advantages: linear motors are directly hung at the lower end of the supporting arm and the lower ends of the flanges respectively, so that the length of the linear motors is obviously increased, an end effect between adjacent linear motors is reduced, and the power and the efficiency of the linear motors are improved; after the flange structure is adopted, the vertical errors between the longitudinal beam and the supporting arm are reduced, so that the hanging height of all portions of the linear motors is consistent, and the hanging control on the vehicle is convenient; the load on the longitudinal beam is transferred through the bolt connected with the flanges, the stress concentration of welding portions is reduced, and the structural strength of the whole module is improved; maintaining cost is greatly reduced.
Description
Technical field
The utility model relates to maglev vehicle running mechanism technical field, especially a kind of suspension frame shoring of foundation module of middle low speed magnetic floating vehicle.
Background technology
There are marked difference in maglev vehicle system and common guideway vehicle system, compare the bogie truck of guideway vehicle, and maglev vehicle adopts suspension frame supported cart body weight.Suspension frame not wheel but utilizes suction and repulsive force suspension maglev vehicle between linear electric motors, levitating electromagnet and the track on it to structure.Its advantage is to suspend to replace the wheel track contact, so maglev vehicle not abrasion in operational process greatly reduce the operating cost of vehicle, the maglev vehicle noise that is in operation is very little simultaneously, and operation has very large advantage in town and country.
But because the lift force that maglev vehicle suspension frame provides is not strong, the passenger capacity of maglev vehicle is the key issue of the floating development of puzzlement magnetic always.The linear electric motors of low speed magnetic floating vehicle are directly connected in vertical fine strain of millet lower end in previous, length is approximately 2m, because limited length is so the lift force that provides is little, again because trailing arm is the installation basis of air bellow, the space of linear electric motors is not installed, so the length of linear electric motors has no idea to increase, limited by increasing the method that linear electric motors length improves suspending power; Because the distance between the adjacent linear electric motors is bigger, the linear electric motors end effect is obvious, has also reduced the efficient of linear electric motors simultaneously.The magnetic-levitation train electrical efficiency is on the low side (efficient 0.75 during 100 kilometers of linear electric motors speed per hours, power factor 0.57), has limited the passenger capacity of middle low-speed maglev train, also makes the running velocity of maglev vehicle be difficult to improve, and has reduced the competitive power of middle low-speed maglev train.
Adopt air bellow to be connected with slide unit in former between the adjacent block of low speed magnetic floating vehicle, air bellow quantity is more, size is less, and installation, maintenance workload are big, are unfavorable for engineering practicability; Owing to connect by slide unit between adjacent two modules, when curve negotiating, the traversing amount of slide unit is big simultaneously, and the motion of adjacent suspension frame has certain coupling, is unfavorable for the curve negotiating of maglev vehicle.
The utility model content
The technical problems to be solved in the utility model is: a kind of suspension frame shoring of foundation module of middle low speed magnetic floating vehicle is provided, improves magnetic-levitation train safety in operation and efficient, install more reliable.
The technical scheme that its technical matters that solves the utility model adopts is: the suspension frame shoring of foundation module of low speed magnetic floating vehicle in a kind of, comprise trailing arm, flange, longeron, a flange is welded at described longeron two ends respectively, trailing arm is connected with longeron by flange, is bolted to connection between flange and the trailing arm.
The trailing arm of middle low speed magnetic floating vehicle and longeron prevents linear electric motors simultaneously for expendable weight magnetic conduction effect, adopted aluminum alloy materials, bolt strained loosening for preventing, further limit, have on the flange for the bolt hole of trailing arm bolt, plug is set in the bolt hole, and the bolt of attachment flange and trailing arm penetrates the flange from trailing arm, and the plug in the bolt with flange hole is tightened in.
Further limit, longeron and trailing arm are provided with the linear electric motors of hanging installation for linear electric motors and hang the hole.
Further limit, outer sleeve is set in linear electric motors are hung the hole, outer sleeve adopts transition fit and the fastening mode of screw to be installed on linear electric motors and hangs in the hole.
In order to prevent the shearing motion of trailing arm, longeron, improve structural strength and installation reliability, further limit, between flange and trailing arm, also be fitted with set pin.
Further limit, be welded with the linear electric motors positioning seat of straight limit motor transverse motion in the trailing arm inboard.
For convenient welding, further limit, the welding end of flange and vertical fine strain of millet all leaves welding groove.
Further limit, the vertical drawing pull bar mount pad interface that has on trailing arm and the flange arranges anti-rolling device mounting interface, vertical skid device mounting interface, hydraulic support device mounting interface and air bellow bracing or strutting arrangement mounting interface at the longeron middle part.This scheme is conducive to alleviate the mutual interference between the adjacent suspension frame.
The beneficial effects of the utility model are:
One, after increasing flange between longeron and the trailing arm, linear electric motors are directly hung and trailing arm flange lower end, can significantly increase linear electric motors length, reduced the end effect between the adjacent linear electric motors, linear electric motors power and efficient have been improved, improve passenger carrying capacity and the running velocity of maglev vehicle, improved the market competitiveness of suspension vehicle;
Two, behind the employing flange arrangement, reduce the vertical error between longeron and the trailing arm, made that hanging of each position of linear electric motors is highly consistent, made things convenient for the suspension control of vehicle;
Three, the load on the longeron will reduce the stress of weld and concentrate by the bolt transmission that is connected with flange, has improved the structural strength of whole module, has improved the operational safety performance of maglev vehicle;
Four, since the mounting interface of anti-rolling device, vertical skid device, hydraulic support device all on longeron, the use of flange and bolt is each parts on the installation and removal longeron easily, reduces maintenance cost greatly.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified;
Fig. 1 is front elevation of the present utility model;
Fig. 2 is birds-eye view of the present utility model;
Fig. 3 is the birds-eye view of trailing arm of the present utility model;
Fig. 4 is the front elevation of flange of the present utility model;
Fig. 5 is the birds-eye view of flange of the present utility model;
Among the figure, 1. trailing arm, 2. flange, 3. longeron, 4. outer sleeve, 5. through hole, 6. linear electric motors positioning seat, 7. set pin, 8. plug, 9. linear electric motors are hung the hole, 10. welding groove.
The specific embodiment
Shown in Fig. 1,2,3,4 and 5, the suspension frame shoring of foundation module of low speed magnetic floating vehicle in a kind of, its significant feature is to support the weight of car body, transmit the power between the vehicle, and for devices such as linear electric motors provide the basis is installed, it comprises trailing arm 1, flange 2, longeron 3, a flange 2 is welded at longeron 3 two ends respectively, flange 2 all leaves welding groove 10 with the welding end of vertical fine strain of millet 3, and trailing arm 1 is connected with longeron 3 by flange 2, is bolted to connection between flange 2 and the trailing arm 1.In order to prevent the shearing motion of trailing arm 1, longeron 3, between flange 2 and trailing arm 1, also be fitted with set pin 7.The vertical drawing pull bar mount pad interface that has on trailing arm 1 and the flange 2 arranges anti-rolling device mounting interface, vertical skid device mounting interface, hydraulic support device mounting interface and air bellow bracing or strutting arrangement mounting interface at longeron 3 middle parts.As shown in Figure 1, have 24 through holes 5 in longeron 3 inboards as the mounting interface of suspension frame parts such as anti-rolling device, vertical skid device, hydraulic support device.
Parts are mid-is installed on the longeron 3 for air bellow bracing or strutting arrangement, anti-rolling device etc., and installing for linear electric motors provides enough spaces.Because trailing arm 1 no longer supports vertical weight, can carry out structure optimization to trailing arm 1, has reduced the wall thickness of trailing arm 1, increase the loss of weight groove on the trailing arm 1.
What the bolt of butt flange 2 and trailing arm 1 adopted is the steel bolt, have on the flange 2 for the bolt hole of trailing arm 1 bolt, stainless plug 8 is set in the bolt hole to be cooperated with bolt, the bolt of attachment flange 2 and trailing arm 1 penetrates the flange 2 from trailing arm 1, and the plug 8 in flange 2 bolts hole is tightened in, and prevents the stressed loosening of bolt.
Longeron 3 and trailing arm 1 are provided with the linear electric motors of hanging installation for linear electric motors and hang hole 9.2 linear electric motors that linear electric motors are hung on hole 9 and the two ends trailing arm 1 by 4 linear electric motors that are positioned on the longeron 3 are hung the lower surface that hole 9 is hung on longeron 3 and trailing arm 1.Outer sleeve 4 in hanging hole 9, linear electric motors is set, outer sleeve 4 adopts transition fit and the fastening mode of screw to be installed on linear electric motors and hangs in the hole 9, as shown in Figure 1, the outer wall of outer sleeve 4 and linear electric motors are hung hole 9 interference fit, and the outer, top of outer sleeve 4 is fastening by screw and longeron 3 upper surface screws.Outer sleeve is the installation basis of the vertical positioning screw of linear electric motors, its inside has helicitic texture, the Adjusting bolt Adjusting screw of screw rod can with its screw-internal thread fit, Adjusting bolt Adjusting screw can change the vertical height of screw rod, reach and change the effect that motor is hung height, be welded with the linear electric motors positioning seat 6 of straight limit motor transverse motion in trailing arm 1 inboard, have locating dowel pin on the linear electric motors positioning seat 6.
The suspension frame shoring of foundation module of low speed magnetic floating vehicle is improved by the trailing arm 1 to former suspension frame and is increased flange 2 in this, make linear electric motors can extend to flange 2, trailing arm 1 lower end, can significantly increase linear electric motors length, primary Calculation can improve 40% power of motor; Owing to the spacing that has reduced between adjacent linear electric motors, efficiency of motor also is improved simultaneously, and the highest running speed of train can be increased to 140km/h by original 120km/h, has improved the competitive power of middle low speed magnetic floating vehicle.
Trailing arm 1 and longeron 3 have adopted aluminum alloy materials for expendable weight prevents the magnetic conduction effect of linear electric motors simultaneously.The aluminum alloy materials fusing point is low, and welding difficulty height directly will make both in the certain error of vertical generation trailing arm 1 and longeron 3 welding.The linear electric motors of former magnetic-levitation train only are installed on the longeron 3, after the improvement, linear electric motors will be hung on trailing arm 1, longeron 3 belows, if still adopt the mode of trailing arm 1, longeron 3 welding, this vertical error can cause the vertical gap difference of each position of linear electric motors and F track, is unfavorable for the control that suspends; Simultaneously, after the structure of improvement trailing arm 1, the mounting interface of the air bellow bracing or strutting arrangement of maglev vehicle has been changed on the longeron 3, and namely vertical force is provided by longeron 3, easily forms stress at weld and concentrate when train operation, causes potential safety hazard; Again owing to the mounting interface with anti-rolling device, vertical skid device, hydraulic support device all is retrofitted on the longeron 3, if adopt trailing arm 1 and longeron 3 welded structures, in order to dismantle, easy to maintenancely may to open auxiliary hole at longeron 3, the utility model has solved the problem of above appearance, the design of flange 2 not only can guarantee the vertical precision of trailing arm 1 and longeron 3, can also increase the total length of linear electric motors by increasing flange 2 length, improve power of motor.Simultaneously, because the load that tie bolt bears longeron 3, can not form stress at weld concentrates, improved the structural strength of longeron 3, again because bolt arrangement is convenient to dismounting, so on supporting module of the present utility model, anti-rolling device, hydraulic support device, vertical skid device are installed, are dismantled and safeguard very convenient.
Claims (8)
1. the suspension frame shoring of foundation module of low speed magnetic floating vehicle in a kind, it is characterized in that: comprise trailing arm (1), flange (2), longeron (3), a flange (2) is welded at described longeron (3) two ends respectively, trailing arm (1) is connected with longeron (3) by flange (2), is bolted to connection between flange (2) and the trailing arm (1).
2. the suspension frame shoring of foundation module of low speed magnetic floating vehicle in according to claim 1, it is characterized in that: have on the described flange (2) for the bolt hole of trailing arm (1) bolt, plug (8) is set in the bolt hole, the bolt of attachment flange (2) and trailing arm (1) penetrates the flange (2) from trailing arm (1), and is tightened in the plug (8) in flange (2) bolt hole.
3. the suspension frame shoring of foundation module of low speed magnetic floating vehicle in according to claim 1 is characterized in that: described longeron (3) and trailing arm (1) are provided with the linear electric motors of hanging installation for linear electric motors and hang hole (9).
4. the suspension frame shoring of foundation module of low speed magnetic floating vehicle in according to claim 3, it is characterized in that: outer sleeve (4) is set in described linear electric motors are hung hole (9), and outer sleeve (4) adopts transition fit and the fastening mode of screw to be installed on linear electric motors and hangs in the hole (9).
5. the suspension frame shoring of foundation module of middle low speed magnetic floating vehicle according to claim 1 is characterized in that: also be fitted with set pin (7) between described flange (2) and trailing arm (1).
6. the suspension frame shoring of foundation module of middle low speed magnetic floating vehicle according to claim 1 is characterized in that: the linear electric motors positioning seat (6) that is welded with straight limit motor transverse motion in described trailing arm (1) inboard.
7. the suspension frame shoring of foundation module of low speed magnetic floating vehicle in according to claim 1 is characterized in that: described flange (2) all leaves welding groove (10) with the welding end of vertical fine strain of millet (3).
8. the suspension frame shoring of foundation module of low speed magnetic floating vehicle in according to claim 1, it is characterized in that: described trailing arm (1) and flange (2) are gone up the vertical drawing pull bar mount pad interface that has, and at longeron (3) middle part anti-rolling device mounting interface, vertical skid device mounting interface, hydraulic support device mounting interface and air bellow bracing or strutting arrangement mounting interface are set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320011402 CN203126559U (en) | 2013-01-10 | 2013-01-10 | Hanging frame foundation supporting module of mid-low speed magnetic levitation vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320011402 CN203126559U (en) | 2013-01-10 | 2013-01-10 | Hanging frame foundation supporting module of mid-low speed magnetic levitation vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203126559U true CN203126559U (en) | 2013-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320011402 Expired - Fee Related CN203126559U (en) | 2013-01-10 | 2013-01-10 | Hanging frame foundation supporting module of mid-low speed magnetic levitation vehicle |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103042947A (en) * | 2013-01-10 | 2013-04-17 | 常州西南交通大学轨道交通研究院 | Levitation chassis base supporting module of medium and low speed maglev vehicles |
| CN104467353B (en) * | 2014-11-26 | 2016-09-28 | 南车株洲电机有限公司 | A kind of magnetic suspension train, linear electric motors and primary thereof |
| CN107187335A (en) * | 2017-06-29 | 2017-09-22 | 中车株洲电力机车有限公司 | A kind of suspension rack trailing arm and levitation train running mechanism |
| CN107791882A (en) * | 2017-09-26 | 2018-03-13 | 中车青岛四方机车车辆股份有限公司 | A kind of magnetic suspension train and its EEF bogie |
| CN109131369A (en) * | 2018-07-02 | 2019-01-04 | 西南交通大学 | A kind of suspension type high-temperature superconductor magnetic suspension traffic system |
| CN113022612A (en) * | 2019-12-09 | 2021-06-25 | 中车唐山机车车辆有限公司 | Chassis for magnetic levitation vehicle and magnetic levitation vehicle |
-
2013
- 2013-01-10 CN CN 201320011402 patent/CN203126559U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103042947A (en) * | 2013-01-10 | 2013-04-17 | 常州西南交通大学轨道交通研究院 | Levitation chassis base supporting module of medium and low speed maglev vehicles |
| CN104467353B (en) * | 2014-11-26 | 2016-09-28 | 南车株洲电机有限公司 | A kind of magnetic suspension train, linear electric motors and primary thereof |
| CN107187335A (en) * | 2017-06-29 | 2017-09-22 | 中车株洲电力机车有限公司 | A kind of suspension rack trailing arm and levitation train running mechanism |
| CN107187335B (en) * | 2017-06-29 | 2019-08-20 | 中车株洲电力机车有限公司 | A kind of suspension rack trailing arm and levitation train running mechanism |
| CN107791882A (en) * | 2017-09-26 | 2018-03-13 | 中车青岛四方机车车辆股份有限公司 | A kind of magnetic suspension train and its EEF bogie |
| US11554675B2 (en) | 2017-09-26 | 2023-01-17 | Crrc Qingdao Sifang Co., Ltd. | Maglev train and moving part thereof |
| CN109131369A (en) * | 2018-07-02 | 2019-01-04 | 西南交通大学 | A kind of suspension type high-temperature superconductor magnetic suspension traffic system |
| CN109131369B (en) * | 2018-07-02 | 2023-08-29 | 西南交通大学 | Suspension type high-temperature superconductive magnetic levitation traffic system |
| CN113022612A (en) * | 2019-12-09 | 2021-06-25 | 中车唐山机车车辆有限公司 | Chassis for magnetic levitation vehicle and magnetic levitation vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20140110 |