CN102514586A - Anti-shearing structure of inclining hanger installation bolt of gear case, bogie and locomotive - Google Patents
Anti-shearing structure of inclining hanger installation bolt of gear case, bogie and locomotive Download PDFInfo
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- CN102514586A CN102514586A CN2011104278385A CN201110427838A CN102514586A CN 102514586 A CN102514586 A CN 102514586A CN 2011104278385 A CN2011104278385 A CN 2011104278385A CN 201110427838 A CN201110427838 A CN 201110427838A CN 102514586 A CN102514586 A CN 102514586A
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Abstract
The invention provides an anti-shearing structure of an inclining hanger installation bolt of a gear case, a bogie and a locomotive. The anti-shearing structure comprises a gear case installation seat and an inclining hanger, the gear case installation seat is provided with a bolt installation through hole, the inclining hanger is fixedly connected with the gear case installation seat through a bolt installed in the bolt installation through hole in penetrating mode, one end of the bolt installation through hole is provided with a first stopping opening, and the other end of the bolt installation hole is provided with a second stopping opening. A second gap between a second lateral plane of the second stopping opening and the lateral face of a hanging lug of the inclining hanger is smaller than a first gap between the outer peripheral face of the bolt and the inner peripheral face of the bolt installation through hole. Therefore, the hanging lug abuts against the second lateral plane when the bolt inclines, and the outer peripheral face of the bolt is not contacted with the inner peripheral face of the bolt installation through hole, so that the problem that the bolt is sheared can be solved. The anti-shearing structure prevents the problem of danger to safety running of the bogie and the locomotive caused by the fact that the inclining hanger falls from the gear case installation seat due to fatigue fracture caused by inclination of the bolt, and loosening of a nut leads to the inclination of the bolt.
Description
Technical field
The present invention relates to the track traffic locomotive technology, relate in particular to a kind of gear case and tiltedly hang hold-down bolt anti-shear constitution, bogie truck and locomotive.
Background technology
Fig. 1 is the structural representation of existing power decentralized bogie truck; Fig. 2 is the birds-eye view of Fig. 1; Like Fig. 1, shown in Figure 2, available dynamic disperses bogie truck, its gear case 2 to be installed on the right axletree 13 of wheel, and gear case 2 adopts elasticity tiltedly to hang 3 to hang on the gear case mount pad 8 of the framework of bogie truck through hold-down bolt 4.In gear case 2 forward and backwards motor 10 output torques were passed to wheel to last time; The antagonistic force F that this moment of torsion M produces tiltedly hangs 3 directions along elasticity and reaches hold-down bolt 4, and this antagonistic force F produces certain horizontal component of force F on the installation horizontal surface direction of the gear case mount pad 8 of framework
x, hold-down bolt 4 tight and guarantee certain the state of tight moment under, horizontal surface is installed is tiltedly hung the static friction force that contacts between the installation hanger 9 of 3 upper ends with elasticity and be enough to overcome this horizontal component of force F
xEffect, therefore, hold-down bolt 4 can run-off the straight, that is, hold-down bolt 4 can not cut effect in the horizontal direction.But owing to reasons such as vibrations, hold-down bolt 4 can take place loosening in the vehicle operating process, and is difficult in time being found, at this moment, hold-down bolt 4 has not had tight power or not enough tight moment of torsion, then, and at the two component F of the antagonistic force F that tiltedly hangs 3 directions along elasticity
x, F
yEffect under, hold-down bolt 4 will receive the effect of shearing force, make hold-down bolt 4 shear fatigue fracture occur, at this moment, elasticity is tiltedly hung 3 and can be come off from gear case mount pad 8, directly jeopardizes traffic safety.
Summary of the invention
The present invention provides a kind of gear case tiltedly to hang hold-down bolt anti-shear constitution, bogie truck and locomotive; Be used for solving and receive shear action because of bolt looseness causes this bolt; Cause this bolt shear fatigue fracture to occur, cause tiltedly hanging and come off, jeopardize the problem of traffic safety from the gear case mount pad.
A kind of gear case provided by the invention is tiltedly hung the anti-shear constitution of hold-down bolt; Be used for the power decentralized bogie truck; Comprise the gear case mount pad and tiltedly hang; Said gear case mount pad has the bolt installation through holes; Said tiltedly hanging through the bolt that is threaded onto in the said bolt installation through holes captiveed joint with said gear case mount pad; One end of said bolt installation through holes is provided with first seam; Said first seam has first side plane of the parallel axes of at least one and said installation through holes, is bolted with the nut that is positioned at first seam on the said bolt, and the vertical distance of said first side plane to said bolt installation through holes line of centers is less than the vertical distance of said nut two adjacent side intersections to said bolt installation through holes line of centers; Said bolt installation through holes is provided with second seam away from an end of said first seam; Said second seam has second side plane of the parallel axes of at least one and said installation through holes, and the said hanger of tiltedly hanging is positioned at said second seam, is provided with first gap between the outer peripheral face of said bolt and the inner peripheral surface of said bolt mounting holes; The side of said hanger and and this side said second side plane in opposite directions between have second gap; The lateral surface of said nut and and this lateral surface said first side plane in opposite directions between have third space, the width that the width that said first gap directly makes progress at said bolt directly makes progress at said bolt greater than said second gap, the width that the width that said first gap directly makes progress at said bolt directly makes progress at said bolt greater than said third space.
The present invention also provides a kind of power decentralized bogie truck; Have truck frame and take turns right; The said wheel on the right wheel shaft is coated with gear case; Be provided with the said gear case between said truck frame and the said gear case and tiltedly hang the anti-shear constitution of hold-down bolt, and the gear case mount pad that said gear case is tiltedly hung the anti-shear constitution of hold-down bolt captives joint with said truck frame, said gear case is tiltedly hung hold-down bolt and is prevented that tiltedly hanging with said gear case of shear constitution captive joint.
The present invention also provides a kind of motor train unit hauling engine, has bogie truck and is arranged at the compartment of said bogie truck top, and wherein, said bogie truck is above-mentioned power decentralized bogie truck.
A kind of gear case provided by the invention is tiltedly hung hold-down bolt anti-shear constitution, bogie truck and locomotive; End in the bolt installation through holes is provided with first seam; Be bolted with the nut that is positioned at first seam on the bolt, the distance of first side plane to bolt installation through holes line of centers is less than the distance of nut two adjacent side intersection to bolt installation through holes line of centerss.Adopt said structure; Because the distance of at least one first side plane to bolt installation through holes line of centers is less than the distance of nut two adjacent side intersection to bolt installation through holes line of centerss, then; This first side plane has limited the rotation of nut, has prevented to occur the problem that nut comes off.Simultaneously; Also be provided with second seam, second seam has second side plane of the parallel axes of at least one and installation through holes, and the hanger of tiltedly hanging is positioned at second seam; And; Be provided with first gap between the outer peripheral face of bolt and the inner peripheral surface of bolt mounting holes, the side of hanger and and this side second side plane in opposite directions between have second gap, the lateral surface of nut and and this lateral surface first side plane in opposite directions between have third space; The width that the width that first gap directly makes progress at said bolt directly makes progress at bolt greater than second gap, the width that the width that first gap directly makes progress at bolt directly makes progress at said bolt greater than third space.Adopt said structure; Behind nut loosening; Make that bolt has not had to make the bolt run-off the straight to tight power or not enough tight moment of torsion along the horizontal component of force of tiltedly hanging the antagonistic force of direction, and because the width that the width that first gap directly makes progress at bolt directly makes progress at bolt greater than second gap; The width that the width that first gap directly makes progress at bolt directly makes progress at bolt greater than third space; Then before bolt touched bolt installation through holes internal face, nut and/or hanger are corresponding respectively to be contacted with first side plane and/or second side plane, has avoided occurring bolt and has received the shearing force of level and fracture by fatigue occurs; Cause tiltedly hanging and come off, and then jeopardize the problem of bogie truck and locomotive safety running from the gear case mount pad.
Description of drawings
Fig. 1 is the structural representation of existing power decentralized bogie truck;
Fig. 2 is the birds-eye view of Fig. 1;
Fig. 3 tiltedly hangs the structural representation of the anti-shear constitution embodiment of hold-down bolt for gear case of the present invention;
Fig. 4 is the birds-eye view of Fig. 3.
The specific embodiment
Fig. 3 tiltedly hangs the structural representation of the anti-shear constitution embodiment of hold-down bolt for gear case of the present invention; Fig. 4 is the birds-eye view of Fig. 3; Like Fig. 3, shown in Figure 4; Gear case of the present invention is tiltedly hung the embodiment of the anti-shear constitution of hold-down bolt; This gear case is tiltedly hung the anti-shear constitution of hold-down bolt and is used for the power decentralized bogie truck; Comprise gear case mount pad 29 and tiltedly hang 27, gear case mount pad 29 has the bolt installation through holes, tiltedly hangs 27 and captives joint with gear case mount pad 29 through the bolt 26 that is threaded onto in the bolt installation through holes; One end of bolt installation through holes is provided with first seam 30; First seam 30 has first side plane 32 of the parallel axes of at least one and installation through holes, and first side plane 32 here is meant that it is the side of first seam 30, and this side is the plane; Be bolted with the nut 21 that is positioned at first seam 30 on the bolt 26; The vertical distance of first side plane 32 to the bolt installation through holes line of centers is less than the vertical distance of 21 liang of adjacent side intersection to bolts of nut installation through holes line of centers, and the vertical distance that is to say first side plane 32 to the bolt installation through holes line of centers is appreciated that less than nut 21 external radius of a circles; Said first seam can have first side plane 32 of the parallel axes of one or more and installation through holes; For the latter, should there be one at least in said a plurality of first side planes 32 and meets above-mentioned requirements, promptly the vertical distance of this first side plane 32 to bolt installation through holes line of centers is less than the vertical distance of 21 liang of adjacent side intersection to bolts of nut installation through holes line of centers.Be provided with second seam 28 in the bolt installation through holes away from an end of first seam 30; Second seam has second side plane 33 of the parallel axes of at least one and installation through holes; And tiltedly hang 27 hanger 25 and be positioned at second seam 28; Having between the outer peripheral face of bolt 26 and the inner peripheral surface of bolt mounting holes has first gap 23; The side of hanger 25 and and this side second side plane 33 in opposite directions between have second gap 24, the lateral surface of nut 21 and and this lateral surface first side plane 32 in opposite directions between have third space 22, and; The width that the width that first gap 23 makes progress in bolt 26 footpaths makes progress in bolt 26 footpaths greater than second gap 24, the width that the width that first gap 23 makes progress in bolt 26 footpaths makes progress in bolt 26 footpaths greater than third space 22.
Such scheme; End in the bolt installation through holes is provided with first seam 30; Be bolted with the distance of the distance of nut 21, the first side plane 32 to the bolt installation through holes line of centerss that are positioned at first seam 30 on the bolt 26 less than 21 liang of adjacent side intersection to bolts of nut installation through holes line of centers.Adopt said structure; Because; The distance of first side plane 32 to the bolt installation through holes line of centers is less than the distance of 21 liang of adjacent side intersection to bolts of nut installation through holes line of centers, and then, first side plane 32 has limited the rotation of nut 21; Prevented the problem that nut 21 comes off to occur, avoided the problem that comes off bolt 26 is come off because of nut 21 from the bolt installation through holes.Further; Even in train travelling process; Have a certain amount of loosening between nut 21 and the bolt 26; Cause bolt 26 not have when not enough, to make bolt 26 run-off the straights along the horizontal component of force of tiltedly hanging the antagonistic force of 27 directions tight power or tight moment of torsion, and because the width that the width that first gap 23 makes progress in bolt 26 footpaths makes progress in bolt 26 footpaths greater than second gap 24; The width that the width that first gap 23 makes progress in bolt 26 footpaths makes progress in bolt 26 footpaths greater than third space 22; Then before bolt 26 touched bolt installation through holes internal face, nut 21 and/or hanger 25 are corresponding respectively to be contacted with first side plane 32 and/or second side plane 33, has avoided occurring bolt 26 and has received shear action and cause fracture by fatigue; Cause tiltedly hanging 27 and come off, and then jeopardize the problem of bogie truck and locomotive safety running from gear case mount pad 29.
Particularly; Based on the foregoing description; Comprise two tabular gear case mount pads 29 that laterally arrange; One end of two gear case mount pads 29 is fixed on the framework of bogie truck, and the other end is away from framework, and each gear case mount pad all offers vertical bolt installation through holes away from an end of framework.Install between two gear mount pads 29 and tiltedly hang 27; And tiltedly hanging two hangers 25 of 27 captives joint with gear case mount pad 29 through the bolt 26 that is threaded onto in the bolt installation through holes respectively; Level wears steel wire 31 in the cap of bolt 26; The two ends of steel wire 31 press closer respectively in the side of hanger 25, prevent that bolt 26 relative hangers 25 from rotating, and realizes the locking of bolt 26.Lower end snail at bolt 26 is connected to nut 21; In order to prevent nut 21 loose or dislocations; Be provided with first side plane 32 that first seam, 30, the first seams 30 have the parallel axes of at least one and installation through holes in the lower end of bolt installation through holes, the nut 21 that is screwed onto bolt 26 lower ends is positioned at first seam 30; And the distance of first side plane 32 to the bolt installation through holes line of centers is less than the distance of 21 liang of adjacent side intersection to bolts of nut installation through holes line of centers; Like this, first side plane 32 just can limit the rotation of nut 21, prevents that loose or dislocation from appearring in nut 21; Cause elasticity tiltedly to hang 27 and come off, and then jeopardize the problem of bogie truck and locomotive safety running from gear case mount pad 29.Also have; Be provided with second seam 28 in the bolt installation through holes away from an end of first seam 30; Second seam has second side plane 33 of the parallel axes of at least one and installation through holes; And tiltedly hang 27 hanger 25 and be positioned at second seam 28, have between the outer peripheral face of bolt 26 and the inner peripheral surface of bolt mounting holes first gap 23 is arranged, the side of hanger 25 and and this side second side plane 33 in opposite directions between have second gap 24; The lateral surface of nut 21 and and this lateral surface first side plane 32 in opposite directions between have third space 22; And, the width that the width that first gap 23 makes progress in bolt 26 footpaths makes progress in bolt 26 footpaths greater than second gap 24, the width that the width that first gap 23 makes progress in bolt 26 footpaths makes progress in bolt 26 footpaths greater than third space 22.
Further; Based on the foregoing description; The present invention also provides a kind of power decentralized bogie truck; Have truck frame and take turns rightly, take turns on the right wheel shaft and be coated with gear case, the gear case that is provided with above-mentioned arbitrary embodiment between truck frame and the gear case is tiltedly hung the anti-shear constitution of hold-down bolt; And the gear case mount pad that said gear case is tiltedly hung the anti-shear constitution of hold-down bolt is captiveed joint with said truck frame, and said gear case is tiltedly hung hold-down bolt and prevented that tiltedly hanging with said gear case of shear constitution captive joint.Wherein, gear case is tiltedly hung the anti-shear constitution of hold-down bolt, specifically referring to the foregoing description, repeats no more here.
The present invention also provides a kind of motor train unit hauling engine, has bogie truck and is arranged at the compartment of said bogie truck top, and bogie truck is the power decentralized bogie truck of the foregoing description, specifically referring to the embodiment of above-mentioned power decentralized bogie truck, repeats no more here.
What should explain at last is: above each embodiment is only in order to explaining technical scheme of the present invention, but not to its restriction; Although the present invention has been carried out detailed explanation with reference to aforementioned each embodiment; Those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, perhaps to wherein part or all technical characteristic are equal to replacement; And these are revised or replacement, do not make the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.
Claims (3)
1. a gear case is tiltedly hung the anti-shear constitution of hold-down bolt; Be used for the power decentralized bogie truck; Comprise the gear case mount pad and tiltedly hang; Said gear case mount pad has the bolt installation through holes; Said tiltedly hanging through the bolt that is threaded onto in the said bolt installation through holes captiveed joint with said gear case mount pad; It is characterized in that an end of said bolt installation through holes is provided with first seam, said first seam has first side plane of the parallel axes of at least one and said installation through holes; Be bolted with the nut that is positioned at first seam on the said bolt; In said first side plane at least one to the vertical distance of said bolt installation through holes line of centers is less than the vertical distance of said nut two adjacent side intersections to said bolt installation through holes line of centers, and said bolt installation through holes is provided with second seam away from an end of said first seam, and said second seam has second side plane of the parallel axes of at least one and said installation through holes; The said hanger of tiltedly hanging is positioned at said second seam; Be provided with first gap between the outer peripheral face of said bolt and the inner peripheral surface of said bolt mounting holes, the side of said hanger and and this side said second side plane in opposite directions between have second gap, the lateral surface of said nut and and this lateral surface said first side plane in opposite directions between have third space; The width that the width that said first gap directly makes progress at said bolt directly makes progress at said bolt greater than said second gap, the width that the width that said first gap directly makes progress at said bolt directly makes progress at said bolt greater than said third space.
2. power decentralized bogie truck; Have truck frame and take turns right; The said wheel on the right wheel shaft is coated with gear case; It is characterized in that; Be provided with the described gear case of claim 1 between said truck frame and the said gear case and tiltedly hang the anti-shear constitution of hold-down bolt, and the gear case mount pad that said gear case is tiltedly hung the anti-shear constitution of hold-down bolt captives joint with said truck frame, said gear case is tiltedly hung hold-down bolt and is prevented that tiltedly hanging with said gear case of shear constitution captive joint.
3. motor train unit hauling engine has bogie truck and is arranged at the compartment of said bogie truck top, it is characterized in that said bogie truck is the described power decentralized bogie truck of claim 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110427838.5A CN102514586B (en) | 2011-12-16 | 2011-12-16 | Anti-shearing structure of inclining hanger installation bolt of gear case, bogie truck and locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110427838.5A CN102514586B (en) | 2011-12-16 | 2011-12-16 | Anti-shearing structure of inclining hanger installation bolt of gear case, bogie truck and locomotive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102514586A true CN102514586A (en) | 2012-06-27 |
| CN102514586B CN102514586B (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110427838.5A Active CN102514586B (en) | 2011-12-16 | 2011-12-16 | Anti-shearing structure of inclining hanger installation bolt of gear case, bogie truck and locomotive |
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| CN (1) | CN102514586B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105438210A (en) * | 2015-11-13 | 2016-03-30 | 北京南口轨道交通机械有限责任公司 | C-shaped bracket for gear box of motor train unit |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0962372A1 (en) * | 1998-06-04 | 1999-12-08 | ALSTOM LHB GmbH | Frictional and interlocking connection between two elements, especially between two elements of different materials |
| CN201511969U (en) * | 2009-09-25 | 2010-06-23 | 中国北车集团大连机车车辆有限公司 | Open gear box bracket of frame |
| CN201645324U (en) * | 2009-06-01 | 2010-11-24 | 株式会社牧田 | Fixing piece anti-drop structure for wheel guard on angle grinder |
| CN201882093U (en) * | 2010-10-27 | 2011-06-29 | 上海轨道交通设备发展有限公司 | Bogie used on high-speed subway train |
| WO2011091884A2 (en) * | 2010-01-27 | 2011-08-04 | Contitech Luftfedersysteme Gmbh | Support plate with screw mounting |
-
2011
- 2011-12-16 CN CN201110427838.5A patent/CN102514586B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0962372A1 (en) * | 1998-06-04 | 1999-12-08 | ALSTOM LHB GmbH | Frictional and interlocking connection between two elements, especially between two elements of different materials |
| CN201645324U (en) * | 2009-06-01 | 2010-11-24 | 株式会社牧田 | Fixing piece anti-drop structure for wheel guard on angle grinder |
| CN201511969U (en) * | 2009-09-25 | 2010-06-23 | 中国北车集团大连机车车辆有限公司 | Open gear box bracket of frame |
| WO2011091884A2 (en) * | 2010-01-27 | 2011-08-04 | Contitech Luftfedersysteme Gmbh | Support plate with screw mounting |
| CN201882093U (en) * | 2010-10-27 | 2011-06-29 | 上海轨道交通设备发展有限公司 | Bogie used on high-speed subway train |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105438210A (en) * | 2015-11-13 | 2016-03-30 | 北京南口轨道交通机械有限责任公司 | C-shaped bracket for gear box of motor train unit |
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| Publication number | Publication date |
|---|---|
| CN102514586B (en) | 2015-09-16 |
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Address after: 116022 Shahekou, Liaoning, China No. 51 The Strip Patentee after: CRRC Dalian Co.,Ltd. Address before: 116022 Shahekou, Liaoning, China No. 51 The Strip Patentee before: Dalian Locomotive and Rolling Stock Co., Ltd. CNR Group |
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Effective date of registration: 20201012 Address after: Xinghua 030027 West Street in Shanxi city of Taiyuan province Berlin District No. 129 Patentee after: Taiyuan CRRC Rail Transit Equipment Co.,Ltd. Patentee after: CRRC DALIAN Co.,Ltd. Address before: 116022 Shahekou, Liaoning, China No. 51 The Strip Patentee before: CRRC Dalian Co.,Ltd. |
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