CN205022600U - Low -floor vehicle is used axle bridge and is installed low -floor bogie of this bridge - Google Patents
Low -floor vehicle is used axle bridge and is installed low -floor bogie of this bridge Download PDFInfo
- Publication number
- CN205022600U CN205022600U CN201520788555.7U CN201520788555U CN205022600U CN 205022600 U CN205022600 U CN 205022600U CN 201520788555 U CN201520788555 U CN 201520788555U CN 205022600 U CN205022600 U CN 205022600U
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- Prior art keywords
- axle bridge
- wheel
- spindle nose
- low
- vehicle axle
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Abstract
The utility model relates to a low -floor vehicle is used axle bridge and is installed low -floor bogie of this bridge installs independent wheel on the bogie, install a bridge between relative independent wheel, and the axle bridge includes the spindle nose subassemblies that two symmetries set up, and the horizontal beam through two parallels between two spindle nose subassemblies connects to form frame rack structure, two all be provided with in the spindle nose subassembly and be used for with the wheel connection's connecting seat and be used for installing first stage spring's spring mounting seat. The utility model discloses because the axle bridge adopts a frame construction, can be under the prerequisite of the overall structure intensity of guaranteeing the axle bridge and rigidity, reduce the height of bogie, sparingly the bogie space.
Description
Technical field
The utility model relates to a kind of axle bridge used on guideway vehicle, and particularly a kind of low floor vehicle axle bridge, relates to the low-floor bogie being provided with this axle bridge simultaneously, belongs to guideway vehicle manufacturing technology field.
Background technology
Low floor vehicle is one of important tool of urban track traffic, the independent wheel bogie of existing low-floor rail vehicle is generally made up of parts such as framework, axle bridge, elastic wheel, single stage suspension device, secondary suspension device and drive motor, framework is made up of two curb girders and middle crossbeam, drive motor drives vehicle wheel rotation band motor vehicle to travel, connect by axle bridging between two relative wheels, axle bridge play a part to support between whole car body and bogie truck spring, suspended weight.For ensureing safety and the traveling comfort of vehicle operating, ensureing the advantage of low floor simultaneously, to the structural behaviour of axle bridge, there is higher requirement.
Existing low-floor rail vehicle bogie truck, if the patent No. is disclosed in the Chinese patent " a kind of bogie truck " of 20131021412.8, the camber beam composition that axle bridge takes the shape of the letter U primarily of one, four are welded with again for installing the mount pad of primary spring at the two ends of camber beam, camber beam due to centre is one, in order to ensure structural strength and the rigidity of whole axle bridge, must increase the thickness of camber beam, like this, the height of low-floor bogie is just relatively added.
Utility model content
The utility model main purpose is to solve the problem and deficiency, provides one can reduce bogie truck height further, and can ensure the low floor vehicle axle bridge of overall construction intensity and rigidity.
Another main purpose of the present utility model is, provides a kind of bogie truck being provided with above-mentioned axle bridge.
For achieving the above object, the technical solution of the utility model is:
A kind of low floor vehicle axle bridge, comprise two symmetrically arranged spindle nose assemblies, connect to form tower structure by two parallel horizontal beams between two spindle nose assemblies, in two described spindle nose assemblies, be provided with the Connection Block for being connected with wheel and the spring mounting seat for installing primary spring.
Further, the main body of described spindle nose assembly is made up of vertical component effect and horizontal part, described Connection Block is vertically fixed on described vertical component effect, described horizontal part takes the shape of the letter U, the leading section of U-shaped is connected with two horizontal beams, described horizontal part extends outward two symmetrical shoulders, each described shoulder arranges described spring mounting seat.
Further, the vertical component effect in described spindle nose assembly is installed with brake clamp permanent seat.
Further, the position of described shoulder is connected with arc-shaped transition between horizontal part.
Further, two described spindle nose assemblies and two horizontal beam inblock casts are made.
Further, described spindle nose component integration casting is made, and described horizontal beam is or is welded by metal sheet splicing, is welded to connect between described spindle nose assembly and horizontal beam.
Further, the section of described horizontal beam is I-shape or is square shape.
Further, the described horizontal part that each described spring mounting seat is other is provided with a tying gear reference plane.
Another technical scheme of the present utility model is:
A kind of low-floor bogie, is provided with independent wheel, is provided with low floor vehicle axle bridge as above between relative independent wheel.
Further, described independent wheel is elastic wheel, comprises core wheel, wheel rim and elastomer block, and described elastomer block is arranged between core wheel and wheel rim.
To sum up content, a kind of low floor vehicle axle bridge described in the utility model and be provided with the low-floor bogie of this axle bridge, axle bridge adopts framed structure, can under the prerequisite of the overall construction intensity and rigidity that ensure axle bridge, reduce the height of bogie truck, save bogie truck space.
Accompanying drawing explanation
Fig. 1 is the utility model embodiment one axle bridge construction schematic diagram;
Fig. 2 is the plan structure schematic diagram of Fig. 1;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is the structural representation after the utility model embodiment one axle bridge and wheel are installed;
Fig. 5 is the utility model embodiment two axle bridge construction schematic diagram;
Fig. 6 is the independent wheel structural representation in the utility model embodiment four.
As shown in Figures 1 to 6, independent wheel 1, axle bridge 2, spindle nose assembly 3, vertical component effect 3a, horizontal part 3b, shoulder 3c, horizontal beam 4, Connection Block 5, spring mounting seat 6, bearing 7, axle head big nut 8, brake clamp permanent seat 9, hole 10, one tying gear reference plane 11, core wheel 12, wheel rim 13, elastomer block 14, wheel rim 15, tread 16, brake surface 17, conical suface 18, annular slot 19, pressure ring 20, inclined-plane 21, inclined-plane 22, first rib 23, second rib 24, third gear limit 25, step-like structure 26, earth system 27, curved cavity 28, concave inward structure 29, opening 30, brake disc 31, bolt 32.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the utility model is described in further detail:
Embodiment one:
As shown in figures 1 to 6, a kind of low-floor bogie, comprise framework (not shown), four independent wheels 1 are architecturally installed, between relative two independent wheels 1, axle bridge 2 is installed, four primary spring (not shown)s are installed between each axle bridge 2 and framework.
As shown in Figure 1 to Figure 3, in the present embodiment, axle bridge 2 comprises two symmetrically arranged spindle nose assemblies 3, connecting to form tower structure by two parallel horizontal beams 4 between two spindle nose assemblies 3, in each spindle nose assembly 3, being provided with Connection Block 5 for being connected with independent wheel 1 and two for installing the spring mounting seat 6 of primary spring.
The structure of two spindle nose assemblies 3 is identical, and the main body of spindle nose assembly 3 is made up of vertical component effect 3a and horizontal part 3b, and the section of main body is roughly L shape.For ensureing bulk strength and the load-carrying capacity of spindle nose assembly 3, vertical component effect 3a adopts leg-of-mutton structure, and leg-of-mutton base is connected with horizontal part 3b, under the prerequisite ensureing vertical component effect 3a structural strength, vertical component effect 3a is provided with one or more opening 30, to alleviate the weight of whole axle bridge.Connect a Connection Block 5 in the side of each vertical component effect 3a, Connection Block 5 is connected with the independent wheel 1 of respective side.
Horizontal part 3b takes the shape of the letter U, and the leading section of U-shaped dual-side is connected respectively with the end of two horizontal beams 4.Two sides of U-shaped horizontal part 3b are also respectively arranged with a upwards slightly protruding part, the upper surface of this part is a tying gear reference plane 11, architecturally also be correspondingly provided with a reference plane (not shown), fall the gap measured after car between two reference planes, to determine the vertical backstop gap between axle bridge 2 and framework.
Horizontal part 3b respectively extends a shoulder 3c to both sides, two shoulder 3c are symmetrical arranged, each shoulder 3c arranges a spring mounting seat 6, spring mounting seat 6 is for having the circular port of the base seal of step-like structure, the diameter of the first half of ledge structure is greater than the diameter of the latter half, and primary spring is arranged in spring mounting seat 6.All adopt the mode of arc-shaped transition to connect between the position of shoulder 3c and the horizontal part 3b be connected, not only play the effect of reinforced rib, the effect reducing local stress, improve fatigue resistance can also be played.The sidewall of shoulder 3c has a place or many places concave inward structure 29, under the requirement ensureing structural strength and rigidity, the weight of horizontal beam 4 can be reduced, and then alleviate the total weight of axle bridge 2, to reduce unsprung weight.
The two side of horizontal beam 4 respectively has the curved cavity 28 to beam center position indent, form the horizontal beam 4 that vertical section is " work " font, this structure is not only stablized, strength and stiffness are good, can also under the requirement ensureing structural strength and rigidity, reduce the weight of horizontal beam 4, and then alleviate the total weight of axle bridge 2, to reduce unsprung weight.
In the present embodiment, the tower structure be made up of spindle nose assembly 3 and horizontal beam 4 preferably adopts the technique of being cast by cast-steel integral to make, i.e. vertical component effect 3a, the horizontal part 3b of spindle nose assembly 3, two shoulder 3c, Connection Block 5, spring mounting seat 6 and two horizontal beam 4 inblock casts, one-body molded, ensure intensity and the rigidity of total, also simplify the integral structure of axle bridge 2, enhance productivity, effectively reduce costs.
Because axle bridge 2 adopts the structure of frame-type, under the requirement ensureing structural strength and rigidity, the thickness of horizontal beam 4 can be reduced, namely can reduce the height of whole axle bridge 2, and and then the height of vehicle floor apart from rail level can be reduced further, saving bogie truck space.
As shown in Figure 4, independent wheel 1 adopts elastic wheel, elastic wheel is by core wheel 12, wheel rim 13 and elastomer block 14 form, wheel rim 13 has centre hole, core wheel 12 is arranged in the centre hole of wheel rim 13, the excircle of wheel rim 13 is wheel rim 15 and tread 16, elastomer block 14 is arranged between core wheel 12 and wheel rim 13, elastomer block 14 is the rubber blocks with Noise Reduction, be connected by bearing 7 between Connection Block 5 with independent wheel 1, bearing 7 is arranged in core wheel 12 inner ring of independent wheel 1, Connection Block 5 is arranged in bearing 7, the outer end of Connection Block 5 is fixed by axle head big nut 8 and spline pad, ensure to connect reliably, the core wheel 12 of independent wheel 1 fixedly mounts brake disc 31 by multiple bolt 32.
The vertical surface of the horizontal part 3b both sides in spindle nose assembly 3 is provided with three holes 10, wherein, two holes 10 are tapped bore, for installing the annex on bogie truck, as sand spraying apparatus, sweep stone implement, magnetic rail brake device etc., another hole 10 is dowel hole, locating dowel pin is installed, avoid bolt to be subject to shearing force, ensure the service life of bolt, and then guarantee traffic safety.
Embodiment two:
As shown in Figure 5, be with embodiment one difference, according to the installation site of brake disc, the vertical component effect 3a in spindle nose assembly 3 can fixedly mount brake clamp permanent seat 9, brake clamp permanent seat 9 can be shaping with the tower structure integrally casting be made up of spindle nose assembly 3 and horizontal beam 4.
Embodiment three:
Be with embodiment one difference, spindle nose assembly 3 adopts cast-in-block technique integrally casting shaping by cast steel, horizontal beam 4 then adopts and is welded by metal sheet splicing, horizontal beam 4 is that the groove beam of U-shaped and one piece of cover plate are welded by a section, forms the horizontal beam 4 that a section is " mouth " font.Under the requirement ensureing structural strength and rigidity, mouth " horizontal beam 4 of font can reduce the weight of horizontal beam, and then alleviate the total weight of axle bridge 2, reduces unsprung weight.Horizontal beam 4 can also adopt the manufacture technics of forging.
Be fixedly connected by welding between two leading sections of the horizontal part 3b in spindle nose assembly 3 and the end of horizontal beam 4.This structure can reduce the difficulty of foundry technique, reduces costs, and also make axle bridge 2 have enough strength at repeated alternations, manufacturability is good.
Embodiment four:
Be with embodiment one difference, in the present embodiment, as shown in Figure 6, independent wheel 1 adopts elastic wheel, and elastic wheel is made up of core wheel 12, wheel rim 13 and elastomer block 14, and elastomer block 14 is arranged between core wheel 12 and wheel rim 13, elastomer block 14 is the rubber blocks with Noise Reduction, wheel rim 13 has centre hole, and core wheel 12 is arranged in the centre hole of wheel rim 13, the excircle of wheel rim 13 is wheel rim 15 and tread 16.
In the present embodiment, preferably, the both side surface of wheel rim 13 is as the brake surface 17 coordinated with brake clamp, when braking, utilize and be arranged on the brake surface 17 enforcement braking of the brake clamp on axle bridge 2 from both sides clamping rim 13 both sides, no longer need to install brake disc in the outside of wheel in addition, not only integral structure is simple, also a saving and take up room, also reduce cost simultaneously.
The inner peripheral surface of wheel rim 13 has outwardly V-shaped conical suface 18, core wheel 12 has an annular slot 19, the pressure ring 20 fixing an annular is installed in annular slot 19, pressure ring 20 is fixed on core wheel 12 by screw (not shown), the outer circumference surface of core wheel 12 has an inclined-plane 21, pressure ring 20 also has an inclined-plane 22, inclined-plane 21 and inclined-plane 22 are symmetrical set, respectively the first rib 23 is protruding with to core wheel 12 direction at the outward flange of conical suface 18 both sides of wheel rim 13, have at the outward flange on the inclined-plane 21 of core wheel 12 and be protruding with the second rib 24 to wheel rim 13 direction, also have at the outward flange on the inclined-plane 22 of pressure ring 20 and be protruding with third gear limit 25 to wheel rim 13 direction, by conical suface 18 and first rib 23 of wheel rim 13, inclined-plane 21 on core wheel 12 and the second rib 24, inclined-plane 22 on pressure ring 20 and third gear limit 25 surround the annular chamber that a section is V-arrangement jointly, elastomer block 14 is fixedly mounted in annular chamber.During installation, elastomer block 14 is arranged between core wheel 12 and wheel rim 13, after core wheel 12 and wheel rim 13 fasten, pressure ring 20 is arranged in annular slot 19, and with screw, pressure ring 20 is fixed on core wheel 12, namely complete the assembling of elastic wheel, assembling process is simple and convenient, and solid and reliable.
The width of the tread 16 of wheel rim 13 excircle is the normal width coordinated with track, if whole wheel rim 13 adopts unified width, the width of the elastomer block 14 be arranged between core wheel 12 and wheel rim 13 can be made narrower, and then the radial rigidity value of meeting influence elastane block 14, therefore, in order to ensure the radial rigidity of elastomer block 14, in the side of wheel rim 13 excircle tread 16, a step-like structure 26 is set, broaden the width of wheel rim 13, the width of wheel rim 13 inner peripheral surface is made to be greater than the width of excircle tread 16, the vertical height of step-like structure 26 is more than or equal to the maximum abrasion loss of wheel, so not only can ensure the radial rigidity of elastomer block 14, meet the rigidity requirement of elastomer block, and in brake clamp clamping during heat-dissipating, the wheel rim 13 widened can have better heat conductivility, radiating effect can be better, can avoid producing thermal crack, ensure vehicle operating safety.
The side surface of wheel rim 13 both sides can also respectively extend a reinforcement (not shown) respectively to outer again, and the outside face of reinforcement is as brake surface 17.When brake clamp clamping rim 13 implements braking, can cause the abrasion of wheel rim 13, reinforcement can provide enough abrasion losss, improves the service life of wheel rim 13.
The lateral surface of core wheel 12 is provided with earth system 27, and earth system 27 is fixed by screws on core wheel 12, to facilitate the conduction of electric current, and is convenient to daily attention.
As mentioned above, plan content given by reference to the accompanying drawings, can derive similar technical scheme.In every case be the content not departing from technical solutions of the utility model, any simple modification done above embodiment according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (10)
1. a low floor vehicle axle bridge, it is characterized in that: comprise two symmetrically arranged spindle nose assemblies, connect to form tower structure by two parallel horizontal beams between two spindle nose assemblies, in two described spindle nose assemblies, be provided with the Connection Block for being connected with wheel and the spring mounting seat for installing primary spring.
2. low floor vehicle axle bridge according to claim 1, it is characterized in that: the main body of described spindle nose assembly is made up of vertical component effect and horizontal part, described Connection Block is vertically fixed on described vertical component effect, described horizontal part takes the shape of the letter U, the leading section of U-shaped is connected with two horizontal beams, described horizontal part extends outward two symmetrical shoulders, each described shoulder arranges described spring mounting seat.
3. low floor vehicle axle bridge according to claim 2, is characterized in that: the vertical component effect in described spindle nose assembly is installed with brake clamp permanent seat.
4. low floor vehicle axle bridge according to claim 2, is characterized in that: the position of described shoulder is connected with arc-shaped transition between horizontal part.
5. low floor vehicle axle bridge according to claim 1, is characterized in that: two described spindle nose assemblies and two horizontal beam inblock casts are made.
6. low floor vehicle axle bridge according to claim 1, is characterized in that: described spindle nose component integration casting is made, and described horizontal beam is welded for being spliced by metal sheet, is welded to connect between described spindle nose assembly and horizontal beam.
7. low floor vehicle axle bridge according to claim 1, is characterized in that: the section of described horizontal beam is I-shape or is square shape.
8. low floor vehicle axle bridge according to claim 2, is characterized in that: on the described horizontal part that each described spring mounting seat is other, be provided with a tying gear reference plane.
9. a low-floor bogie, is provided with independent wheel, it is characterized in that: between relative independent wheel, be provided with the low floor vehicle axle bridge as described in any one of claim 1-8.
10. low-floor bogie according to claim 9, is characterized in that: described independent wheel is elastic wheel, comprises core wheel, wheel rim and elastomer block, and described elastomer block is arranged between core wheel and wheel rim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520788555.7U CN205022600U (en) | 2015-10-12 | 2015-10-12 | Low -floor vehicle is used axle bridge and is installed low -floor bogie of this bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520788555.7U CN205022600U (en) | 2015-10-12 | 2015-10-12 | Low -floor vehicle is used axle bridge and is installed low -floor bogie of this bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205022600U true CN205022600U (en) | 2016-02-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520788555.7U Withdrawn - After Issue CN205022600U (en) | 2015-10-12 | 2015-10-12 | Low -floor vehicle is used axle bridge and is installed low -floor bogie of this bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205022600U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105270428A (en) * | 2015-10-12 | 2016-01-27 | 南车青岛四方机车车辆股份有限公司 | Shaft axle for low-floor vehicle and low-floor bogie with the same |
| CN106347342A (en) * | 2016-08-31 | 2017-01-25 | 芜湖市和蓄机械股份有限公司 | Brake bracket |
| CN107030590A (en) * | 2017-05-03 | 2017-08-11 | 中车青岛四方机车车辆股份有限公司 | A kind of low-floor tramcar axle bridge and locating ring lapping device |
-
2015
- 2015-10-12 CN CN201520788555.7U patent/CN205022600U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105270428A (en) * | 2015-10-12 | 2016-01-27 | 南车青岛四方机车车辆股份有限公司 | Shaft axle for low-floor vehicle and low-floor bogie with the same |
| CN105270428B (en) * | 2015-10-12 | 2018-08-03 | 中车青岛四方机车车辆股份有限公司 | Low floor vehicle axis bridge and the low-floor bogie for being equipped with the axis bridge |
| CN106347342A (en) * | 2016-08-31 | 2017-01-25 | 芜湖市和蓄机械股份有限公司 | Brake bracket |
| CN107030590A (en) * | 2017-05-03 | 2017-08-11 | 中车青岛四方机车车辆股份有限公司 | A kind of low-floor tramcar axle bridge and locating ring lapping device |
| CN107030590B (en) * | 2017-05-03 | 2019-11-08 | 中车青岛四方机车车辆股份有限公司 | A kind of low-floor tramcar axis bridge and positioning ring grinding device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Patentee after: CRRC QINGDAO SIFANG CO., LTD. Address before: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Patentee before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160210 Effective date of abandoning: 20180803 |