CN102874270A - Single-draw-bar traction device and engine applying same - Google Patents
Single-draw-bar traction device and engine applying same Download PDFInfo
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- CN102874270A CN102874270A CN2012104016620A CN201210401662A CN102874270A CN 102874270 A CN102874270 A CN 102874270A CN 2012104016620 A CN2012104016620 A CN 2012104016620A CN 201210401662 A CN201210401662 A CN 201210401662A CN 102874270 A CN102874270 A CN 102874270A
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- pull rod
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Abstract
The invention discloses a single-draw-bar traction device used for an engine. The traction device comprises an engine body traction seat, a frame traction seat and a traction bar, wherein the engine body traction seat is fixedly arranged on an engine body, and the frame traction seat is fixedly arranged on a traction beam of a steering frame. Two ends of the traction bar are respectively in elastic connection with the engine body traction seat and the frame traction seat through two traction assemblies, and no gap is reserved lengthwise of the traction bar in terms of the elastic connection. On the basis of ensuring curve and hill passage performance, the traction device is simple and reliable in structure and easy to demount and mount, and manufacturing and maintenance costs can be controlled effectively. On the basis, the invention further provides an engine provided with the single-draw-bar traction device.
Description
Technical field
The present invention relates to the draw gear of rolling stock bogie, be specifically related to a kind of simplex pull rod traction equipment and use the locomotive of this draw gear.
Background technology
Draw gear is mainly used in connection body and framework, with transmitting tractive power and braking force, and adapts to car body with respect to the revolution of bogie truck.At present, the hitch structure that the High-power AC drives locomotive is commonly used is central push-pull type simplex pull rod and duplex pull rod.
Traditional end singly skews the bar draw gear, and its simplex pull rod is installed on the traction seat of car body and framework end by the traction rubber arthrosis.This structure is simple and direct, and is for convenience detach, but there are the following problems: 1) simplex pull rod limited length, and curve and ramp are by difficulty; 2) framework end construction requirement of strength is higher, causes framework structure complicated.
See also Fig. 1, this figure is a kind of typical duplex pull rod draw gear of prior art, and the pull bar length of this draw gear can effectively overcome curve and difficult defective is passed through in the ramp.
As shown in Figure 1, its draw bar 1 is installed on the car body traction seat 30 by traction rubber arthrosis 20, draw bar 1 is by towing pin 60 draw bar connections 2 80, and draw bar 2 80 1 ends link to each other with truck end sill by traction link 70, and the other end is installed on the framework traction seat 90; Gland 40 is used for fixed traction rubber arthrosis 20 and car body traction seat 30, and safety steel cable 50 can prevent from being shed to rail level under draw bar one 10 failure conditions.Except can effectively overcoming curve and the ramp defective by difficulty, the towing point of this draw gear is lower, and adhesion availability is up to more than 94%.Yet the middle towing pin 60 of this duplex pull rod draw gear is friction pair, produces abrasion, needs periodical maintenance, maintenance; In addition, structure is complicated, and part is many, and accuracy of manufacture is high, and manufacturing cost is higher; And Assembly ﹠Disassembly is inconvenient, and maintenance cost is high.
In view of this, demanding urgently looking for another way is optimized design for draw gear, to overcome the existing defects of above-mentioned duplex pull rod draw gear.
Summary of the invention
For defects, the technical matters that the present invention solves is to provide a kind of simplex pull rod traction equipment for locomotive, guaranteeing that curve and ramp by on the basis of performance, have simple and reliable for structure, easy-disassembling-assembling characteristics, can effectively control and make and maintenance cost.On this basis, the present invention also provides a kind of locomotive with this simplex pull rod traction equipment.
Simplex pull rod traction equipment provided by the invention comprises car body traction seat, framework traction seat and draw bar; Wherein, described car body traction seat is fixedly installed on the car body, and described framework traction seat is fixedly installed on the draw beam of bogie truck; The two ends of described draw bar are connected with framework traction seat elasticity with described car body traction seat respectively by two traction assembly members, and described elasticity connects the length direction gapless along described draw bar.
Preferably, the angle between described draw bar and the horizontal surface is 0.5 °～3 °.
Preferably, each described traction assembly member comprises traction inner core, traction rubber tube and traction urceolus; Wherein, described traction inner core suit is fixed on the corresponding traction seat, and described traction rubber sleeve is loaded on the described traction inner core, and described traction urceolus is set on the described traction rubber tube; And captive joint with corresponding described traction urceolus respectively in the two ends of described draw bar, and each described traction rubber tube has precompressed deformation along the length direction of described draw bar.
Preferably, form up big and down small taper fit between described traction inner core and the corresponding traction seat secondary.
Preferably, described traction inner core is respectively arranged with relative upper limit section of stretching out with the top of traction urceolus, and described traction inner core is respectively arranged with relative lower limit section of stretching out with the bottom of traction urceolus, to limit the upper and lower displacement of described traction rubber tube.
Preferably, the lower limit section of described traction urceolus is formed on the first cover plate that removably connects with described traction urceolus, and the lower limit section of described traction inner core is formed on the second cover plate that removably connects with described traction inner core.
Preferably, described precompressed shape becomes elastic deformation, and deflection is 0.1mm～2mm.
Preferably, the end that is connected with described draw bar of each described traction urceolus is provided with spacing block set, the both ends of described draw bar offer " U " font position-limited trough that Open Side Down, are positioned on the corresponding spacing block set so that the position-limited trough of described draw bar clamps.
Locomotive provided by the invention comprises car body, is arranged on bogie truck and the drag link draw gear of described car body below, and described drag link draw gear is specially foregoing simplex pull rod traction equipment.
Preferably, also comprise two anticreep steel ropes, wherein, the first anticreep steel rope connects between the described draw bar that is arranged on described car body and its below, and the second anticreep steel rope connects between the draw beam and the described draw bar below it that is arranged on described bogie truck.
Simplex pull rod traction equipment of the present invention comprises car body traction seat, framework traction seat and draw bar, wherein, car body traction seat is fixedly installed on the car body, the framework traction seat is fixedly installed on the draw beam of bogie truck, can effectively control thus the operating angle of draw bar, the locomotive of guaranteeing to use this draw gear has preferably that curve and ramp pass through performance.Compare with existing duplex pull rod draw gear, parts of the present invention consist of less, have greatly reduced manufacturing and the maintaining cost of this draw gear, and corresponding assembling and the dismantlement work amount of having reduced.Simultaneously, the two ends of draw bar are connected with framework traction seat elasticity with car body traction seat respectively by two traction assembly members, and this elasticity connects the length direction gapless along draw bar, so that the transmission of tractive force and braking force all can reliable delivery, and bear certain impact, and then guarantee the working stability of car load to have higher load-carrying capacity and safety factor.
In preferred version of the present invention, each traction assembly member all has successively nested traction inner core, traction rubber tube and the traction urceolus that is arranged on the corresponding traction seat, captive joint with corresponding traction urceolus respectively in the two ends of draw bar, and each traction rubber tube has precompressed deformation along the length direction of draw bar, connects to form along the zero-lash elasticity of the length direction of draw bar; Have characteristics simple and reliable for structure, assembly and disassembly.In addition, draw and form up big and down small taper fit pair between inner core and the corresponding traction seat, realize by different way the gapless transmission of tractive force and braking force on the one hand, and then solved the contradiction between reliable in function realization and the assembly and disassembly; Meanwhile, up big and down small taper fit pair has the effect of vertical positioning towed assembly member concurrently, further improves the manufacturability in the assembling process.
In another preferred version of the present invention, the end that is connected with draw bar of each traction urceolus is provided with spacing block set, corresponding, the both ends of connected draw bar offer " U " font position-limited trough that Open Side Down, are positioned on the corresponding spacing block set so that the position-limited trough of draw bar clamps.So arrange, during the assembling draw bar, can be at first " U " font position-limited trough at its two ends be aligned with corresponding spacing block set, and clamp be positioned on the spacing block set after, be fixed again the operation of connection.Obviously, owing to before being fixed attended operation, having formed the pre-determined bit of draw bar, on the one hand, be easy to realize that draw bar with respect to determining that fifth wheel position concerns, can also reduce the difficulty of subsequent operation in addition.
Description of drawings
Fig. 1 shows the integral structure schematic diagram of a kind of typical duplex pull rod draw gear of prior art;
Fig. 2 shows the integral structure schematic diagram of the bar draw gear of unit described in the specific embodiment;
Fig. 3 is the birds-eye view of Fig. 2;
Fig. 4 is the A-A cutaway view of Fig. 2;
Fig. 5 shows the section-drawing of the urceolus of traction described in the specific embodiment;
Fig. 6 is that the B of Fig. 5 is to half view;
Fig. 7 is the integral structure schematic diagram of draw bar described in the specific embodiment;
Fig. 8 is that the C of Fig. 7 is to view;
Fig. 9 is the D-D cutaway view of Fig. 7.
Among Fig. 2-Fig. 9:
Car body traction seat 1, framework traction seat 2, draw bar 3, end flange seat 31, " U " font position-limited trough 311, the body of rod 32, traction assembly member 4, traction inner core 41, inner core upper limit section 411, inner core lower limit section 412, traction rubber tube 42, traction urceolus 43, urceolus upper limit section 431, urceolus lower limit section 432, spacing block set 433;
Motor 5, draw beam 61, end carriage 62, car body 7, the first cover plate 81, the second cover plate 82, the first anticreep steel rope 91, the second anticreep steel rope 92.
The specific embodiment
Core of the present invention provides a kind of simplex pull rod traction equipment, and by Optimal Structure Designing, this simplex pull rod traction equipment has simple and reliable for structure, easy-disassembling-assembling characteristics, can effectively control and make and maintenance cost.Describe present embodiment in detail below in conjunction with Figure of description.
See also Fig. 2 and Fig. 3, wherein, Fig. 2 is the integral structure schematic diagram of the described simplex pull rod traction equipment of present embodiment, and Fig. 3 is the birds-eye view of Fig. 2.
As shown in Figures 2 and 3, this draw gear is the single pull rod type structure, and the body of rod is positioned at the below of motor 5, is installed between framework first crossbeam (being the draw beam 61 of bogie truck) and the car body 7.Wherein, car body traction seat 1 is fixedly installed on the car body 7, and framework traction seat 2 is fixedly installed on the draw beam 61 of bogie truck; Compare with the duplex pull rod draw gear that background technology is partly addressed, this programme only adopts a draw bar, the members such as towing pin that connect two draw bars can have been omitted thus, parts consist of less, greatly reduced manufacturing and the maintaining cost of this draw gear, and corresponding assembling and the dismantlement work amount of having reduced.Wherein, are connected elasticity with car body traction seat 1 respectively by two traction assembly members 4 and are connected in draw bar 3 two ends with the framework traction seat, this elasticity connects the length direction gapless along draw bar 3, so that the transmission of tractive force and braking force all can reliable delivery, and can bear certain impact.
In addition, because the end carriage 62 of bogie truck is not participated in the distribution, framework traction seat 2 attachment points have extremely low height, can obtain high adhesion availability on the one hand, and can evade the possibility of interfering with motor 5 fully, have preferably adaptability.Be to be understood that, actual conditions according to different automobile types, the real work attitude of draw bar 3 should correspondingly be adjusted, comparatively desirable state as shown in FIG., car body traction seat 1 attachment point is higher than member traction seat 2 towing points, can obtain relatively low drawbar height, preferably, angle between draw bar 3 and the horizontal surface is 0.5 °～3 °, can the locomotive of this single pull rod type draw gear has better curve and performance is passed through in the ramp so that use.
In this programme, be used for realizing the traction assembly member 4 of tractive force and braking force reliable delivery, can adopt existing techniques in realizing, also can adopt different version to realize according to principle of design simple in structure, reliable operation.For example, traction assembly member mainly is made of nested traction inner core, traction rubber tube and the traction urceolus that is arranged on the corresponding traction seat successively.Specifically please in the lump referring to Fig. 4, this figure is the A-A cutaway view of Fig. 2.
Traction inner core 41 suits of each traction assembly member 4 are fixed on the corresponding traction seat (car body traction seat 1, framework traction seat 2), and traction rubber tube 42 is set on the traction inner core 41, and traction urceolus 43 is set on the traction rubber tube 42; And nestedly successively between the three can finish assembling.Wherein, captive joint with corresponding traction urceolus 43 respectively in the two ends of draw bar 3, and each traction rubber tube 42 has precompressed deformation along the length direction of draw bar 3, to guarantee the seamless connectivity of lead.
Wherein, traction inner core 41 is respectively arranged with relative upper limit section of stretching out with the top of traction urceolus 43: inner core upper limit section 411 and urceolus upper limit section 431; Equally, traction inner core 41 is respectively arranged with relative lower limit section of stretching out with the bottom of traction urceolus 43: inner core lower limit section 412 and urceolus lower limit section 432, and to limit the upper and lower displacement of described traction rubber tube.
Further, form up big and down small taper fit between this traction inner core 41 and the corresponding traction seat (car body traction seat 1, framework traction seat 2) secondary.As shown in Figure 4, the periphery mating surfaces of the traction inwall of inner core 41 and traction seat is big up and small down frustum all, so arrange, be beneficial to the gapless transmission that further guarantees to realize tractive force and braking force, solved the realization of reliable function and the contradiction of assembly and disassembly; And this taper fit pair has the effect of vertical positioning towed assembly member concurrently, further improves the manufacturability in the assembling process.
Except structure simple functions failure-free basic design principle, this programme can also be done further to optimize for assembly process process.
Wherein, inner core upper limit section 411 and urceolus upper limit section 431 can be one-body molded with corresponding cylindrical shell respectively, and the urceolus lower limit section 432 of traction urceolus 43 is formed at and draw on the first cover plate 81 that urceolus 43 removably connects, and the inner core lower limit section 412 of traction inner core 41 is formed at and draws on the second cover plate 82 that inner core 41 removably connects; Like this, after assembling is finished, realize that by threaded fasteners the first cover plate 81 captives joint with the second the detachable of cover plate 82, traction rubber tube 42 can be limited in the cavity between traction urceolus 43 and the traction inner core 41, more be beneficial to installation and maintenance.Particularly, each limiting section circumferentially interval arranges, and also can circumferentially arrange continuously, and obviously, for alleviating the complete machine deadweight, the first cover plate 81 and the second cover plate 82 all can adopt annular arrangement.
Wherein, traction rubber tube 42 need to have larger radial rigidity, axial stiffness and torsional stiffness, under the mode of operation, the twist angle of the relative inner boundary of its exterior boundary has more excellent above-mentioned performance when being 1 °, specifically can select in oil resistant, resistant to elevated temperatures elastomeric material according to the carrying demand.For ease of assembling, the rear prepressing deformation of assembling is elastic deformation, so design, also detachable rear repeated application.Preferably, this elastically-deformable deflection is 0.1mm～2mm.
Wherein, end that is connected with draw bar 3 of each traction urceolus 43 is provided with spacing block set 433, and please in the lump referring to Fig. 5 and Fig. 6, wherein, Fig. 5 shows the section-drawing that draws urceolus, and Fig. 6 is that the B of Fig. 5 is to half view; Correspondingly, the both ends of this draw bar 3 offer " U " font position-limited trough 311 that Open Side Down, so that clamping, the position-limited trough 311 of draw bar 3 is positioned on the corresponding spacing block set 433, specifically please in the lump referring to Fig. 7 and Fig. 8, wherein, Fig. 7 is the integral structure schematic diagram (left part illustrates with cutaway perspective form) of draw bar 3, and Fig. 8 is that the C of Fig. 7 is to view.So arrange, during assembling draw bar 3, can be at first " U " font position-limited trough 311 at its two ends be aligned with corresponding spacing block set 433, move down clamp be positioned on the spacing block set 433 after, be fixed again the operation of connection by threaded fasteners.Owing to before being fixed attended operation, having formed the pre-determined bit of draw bar 3, on the one hand, being easy to realize that draw bar 3 with respect to determining that fifth wheel position concerns, can also reduce the difficulty of subsequent operation in addition.
In addition, the body of rod 32 of draw bar 3 is ring cross-section, and please in the lump referring to Fig. 9, this figure is the D-D cutaway view of Fig. 7; To promote its warp resistance performance, such structure can further be optimized carrying, increases resistance to bending, can adapt to the double requirements of the transmission of High-power AC drives locomotive large traction and large deformation campaign.Based on this, be fixedly installed end flange seat 31 at the two ends of the body of rod 32, aforementioned " U " font position-limited trough 311 can be arranged on the end flange seat 31.
Except above-mentioned simplex pull rod traction equipment, present embodiment also provides a kind of locomotive.Same as the prior art, the car body of this locomotive and being arranged between the bogie truck of car body below is provided with foregoing simplex pull rod traction equipment.Need to prove, because other functional components such as car body, bogie truck all can adopt existing techniques in realizing, therefore this paper repeats no more.
As shown in Figure 2, this scheme also comprises two anticreep steel ropes, wherein, the first anticreep steel rope 91 connects between the draw bar 32 that is arranged on car body 7 and its below, and the second anticreep steel rope 92 connects between the draw beam 61 and the draw bar 32 below it that is arranged on bogie truck.When draw gear pitched, these two steel ropes can bear longitudinally 3 times of left and right sides acceleration/accels impacts of bogie truck, to strengthen reliability.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a simplex pull rod traction equipment is characterized in that, comprising:
Car body traction seat is fixedly installed on the car body;
The framework traction seat is fixedly installed on the draw beam of bogie truck;
Draw bar, its two ends are connected with framework traction seat elasticity with described car body traction seat respectively by two traction assembly members, and described elasticity connects the length direction gapless along described draw bar.
2. simplex pull rod traction equipment according to claim 1 is characterized in that, the angle between described draw bar and the horizontal surface is 0.5 °～3 °.
3. simplex pull rod traction equipment according to claim 1 and 2 is characterized in that, each described traction assembly member comprises:
The traction inner core, suit is fixed on the corresponding traction seat;
The traction rubber tube is set on the described traction inner core; With
The traction urceolus is set on the described traction rubber tube; And
Captive joint with corresponding described traction urceolus respectively in the two ends of described draw bar, each described traction rubber tube has precompressed deformation along the length direction of described draw bar.
4. simplex pull rod traction equipment according to claim 3 is characterized in that, forms up big and down small taper fit between described traction inner core and the corresponding traction seat secondary.
5. simplex pull rod traction equipment according to claim 4, it is characterized in that, described traction inner core is respectively arranged with relative upper limit section of stretching out with the top of traction urceolus, described traction inner core is respectively arranged with relative lower limit section of stretching out with the bottom of traction urceolus, to limit the upper and lower displacement of described traction rubber tube.
6. simplex pull rod traction equipment according to claim 5, it is characterized in that, the lower limit section of described traction urceolus is formed on the first cover plate that removably connects with described traction urceolus, and the lower limit section of described traction inner core is formed on the second cover plate that removably connects with described traction inner core.
7. simplex pull rod traction equipment according to claim 6 is characterized in that, described precompressed shape becomes elastic deformation, and deflection is 0.1mm～2mm.
8. simplex pull rod traction equipment according to claim 3, it is characterized in that, the end that is connected with described draw bar of each described traction urceolus is provided with spacing block set, the both ends of described draw bar offer " U " font position-limited trough that Open Side Down, are positioned on the corresponding spacing block set so that the position-limited trough of described draw bar clamps.
9. locomotive comprises car body, is arranged on bogie truck and the drag link draw gear of described car body below, it is characterized in that, described drag link draw gear is specially such as each described simplex pull rod traction equipment in the claim 1 to 8.
10. locomotive according to claim 9, it is characterized in that, also comprise two anticreep steel ropes, wherein, the first anticreep steel rope connects between the described draw bar that is arranged on described car body and its below, and the second anticreep steel rope connects between the draw beam and the described draw bar below it that is arranged on described bogie truck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104016620A CN102874270A (en) | 2012-10-19 | 2012-10-19 | Single-draw-bar traction device and engine applying same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104016620A CN102874270A (en) | 2012-10-19 | 2012-10-19 | Single-draw-bar traction device and engine applying same |
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| CN102874270A true CN102874270A (en) | 2013-01-16 |
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| CN2012104016620A Pending CN102874270A (en) | 2012-10-19 | 2012-10-19 | Single-draw-bar traction device and engine applying same |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103273939A (en) * | 2013-05-31 | 2013-09-04 | 南车株洲电力机车有限公司 | Bogie and framework thereof |
| CN103318216A (en) * | 2013-07-08 | 2013-09-25 | 朱卫 | Modified low-level push-pull single-drawbar locomotive traction device |
| CN103523041A (en) * | 2013-10-15 | 2014-01-22 | 无锡圣丰减震器有限公司 | Pull rod device for locomotive traction |
| CN104097657A (en) * | 2014-07-28 | 2014-10-15 | 南车株洲电力机车有限公司 | Locomotive traction device and locomotive body traction component thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103318216A (en) * | 2013-07-08 | 2013-09-25 | 朱卫 | Modified low-level push-pull single-drawbar locomotive traction device |
| CN103523041A (en) * | 2013-10-15 | 2014-01-22 | 无锡圣丰减震器有限公司 | Pull rod device for locomotive traction |
| CN104097657A (en) * | 2014-07-28 | 2014-10-15 | 南车株洲电力机车有限公司 | Locomotive traction device and locomotive body traction component thereof |
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Application publication date: 20130116 |