CN102514586B - Anti-shearing structure of inclining hanger installation bolt of gear case, bogie truck and locomotive - Google Patents
Anti-shearing structure of inclining hanger installation bolt of gear case, bogie truck and locomotive Download PDFInfo
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- CN102514586B CN102514586B CN201110427838.5A CN201110427838A CN102514586B CN 102514586 B CN102514586 B CN 102514586B CN 201110427838 A CN201110427838 A CN 201110427838A CN 102514586 B CN102514586 B CN 102514586B
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Abstract
The invention provides the anti-shear constitution of a kind of tiltedly hanging hold-down bolt, bogie truck and locomotive, wherein, anti-shear constitution comprises gear case mount pad and tiltedly hanging, gear case mount pad has bolt and installs through hole, oblique hanging is fixedly connected with gear case mount pad by the bolt be threaded onto in bolt installation through hole, one end that through hole installed by bolt is provided with the first seam, the other end is provided with the second seam, the second gap between the second side plane that second seam has and the side of hanger of tiltedly hanging is less than between the outer peripheral face of bolt and the inner peripheral surface of bolt mounting holes and is provided with the first gap, therefore, when tilt bolt, hanger withstands on the second side plane, and the inner peripheral surface that the outer peripheral face of bolt does not install through hole with screw thread contacts, avoid the problem occurring that bolt is sheared, prevent because nut loosening causes tilt bolt and occur fracture by fatigue, tiltedly hanging is caused to come off from gear case mount pad, and then jeopardize the problem of bogie truck and locomotive safety running.
Description
Technical field
The present invention relates to rail transit locomotive technology, particularly relate to a kind of anti-shearing structure of inclining hanger installation bolt of gear case, 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; As shown in Figure 1 and Figure 2, existing power decentralized bogie truck, its gear case 2 is installed on the right axletree 13 of wheel, and gear case 2 adopts elasticity tiltedly to hang 3 is hung on the gear case mount pad 8 of the framework of bogie truck by hold-down bolt 4.Gear case 2 forward and backward motor 10 output torque passed to wheel on 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, at hold-down bolt 4 tight and guarantee certain under the state of tight moment, installing the static friction force that horizontal surface and elasticity tiltedly hangs the Contact of the installation hanger 9 of 3 upper ends is enough to overcome this horizontal component of force F
xeffect, therefore, hold-down bolt 4 can not run-off the straight, that is, hold-down bolt 4 can not be cut effect in the horizontal direction.But due to reasons such as vibrations in vehicle operation, hold-down bolt 4 can loosen, and not easily by Timeliness coverage, at this moment, hold-down bolt 4 without tight power or tight moment of torsion is not enough, then, is tiltedly hanging the two component F of antagonistic force F in 3 directions along elasticity
x, F
yeffect under, hold-down bolt 4 will be subject to the effect of shearing force, make hold-down bolt 4 occur that shear fatigue ruptures, and now, elasticity tiltedly hangs 3 can come off from gear case mount pad 8, directly jeopardizes traffic safety.
Summary of the invention
The invention provides a kind of anti-shearing structure of inclining hanger installation bolt of gear case, bogie truck and locomotive, cause this bolt by shear action for solving because of bolt looseness, cause this bolt to occur that shear fatigue ruptures, cause tiltedly hanging to come off from gear case mount pad, jeopardize the problem of traffic safety.
A kind of anti-shearing structure of inclining hanger installation bolt of gear case provided by the invention, for power decentralized bogie truck, comprise gear case mount pad and tiltedly hanging, described gear case mount pad has bolt and installs through hole, described oblique hanging is fixedly connected with described gear case mount pad by the bolt be threaded onto in described bolt installation through hole, one end that through hole installed by described bolt is provided with the first seam, described first seam has the first side plane of the axis being parallel of at least one and described installation through hole, described bolt is bolted with the nut being positioned at the first seam, the vertical distance that through hole line of centers installed by described first side plane to described bolt is less than described nut two adjacent side intersection installs through hole line of centers vertical distance to described bolt, described bolt installation through hole is provided with the second seam away from one end of described first seam, described second seam has the second side plane of the axis being parallel of at least one and described installation through hole, the hanger of described oblique hanging is positioned at described second seam, the first gap is provided with between the outer peripheral face of described bolt and the inner peripheral surface of described bolt mounting holes, the side of described hanger and and this side described second side plane in opposite directions between there is the second gap, the lateral surface of described nut and and this lateral surface described first side plane in opposite directions between there is third space, the width of described first gap in described bolt radial direction is greater than the width of described second gap in described bolt radial direction, the width of described first gap in described bolt radial direction is greater than the width of described third space in described bolt radial direction.
The present invention also provides a kind of power decentralized bogie truck, there is truck frame and take turns right, described wheel on right wheel shaft is coated with gear case, be provided with said gear case between described truck frame and described gear case and tiltedly hang the anti-shear constitution of hold-down bolt, and the gear case mount pad of described anti-shearing structure of inclining hanger installation bolt of gear case is fixedly connected with described truck frame, the oblique hanging of described anti-shearing structure of inclining hanger installation bolt of gear case is fixedly connected with described gear case.
The present invention also provides a kind of motor train unit hauling engine, has bogie truck and is arranged at the compartment above described bogie truck, and wherein, described bogie truck is above-mentioned power decentralized bogie truck.
A kind of anti-shearing structure of inclining hanger installation bolt of gear case provided by the invention, bogie truck and locomotive, the one end of installing through hole at bolt is provided with the first seam, bolt is bolted with the nut being positioned at the first seam, the distance that through hole line of centers installed by the first side plane to bolt is less than nut two adjacent side intersection installs through hole line of centers distance to bolt.Adopt said structure, because the distance that through hole line of centers installed by least one first side plane to bolt is less than nut two adjacent side intersection installs through hole line of centers distance to bolt, then, this the first side plane limits the rotation of nut, prevents the problem occurring that nut comes off.Simultaneously, also be provided with the second seam, second seam has at least one and the second side plane of axis being parallel installing through hole, the hanger of oblique hanging is positioned at the second seam, and, the first gap is provided with between the outer peripheral face of bolt and the inner peripheral surface of bolt mounting holes, the side of hanger and and this side the second side plane in opposite directions between there is the second gap, the lateral surface of nut and and this lateral surface the first side plane in opposite directions between there is third space, the width of the first gap in described bolt radial direction is greater than the width of the second gap in bolt radial direction, the width of the first gap in bolt radial direction is greater than the width of third space in described bolt radial direction.Adopt said structure, after nut loosening, make bolt without tight power or tight moment of torsion is not enough, horizontal component of force along the antagonistic force tiltedly hanging direction makes bolt run-off the straight, and be greater than the width of the second gap in bolt radial direction due to the width of the first gap in bolt radial direction, the width of the first gap in bolt radial direction is greater than the width of third space in bolt radial direction, then before threaded bolt contacts installs through-hole wall face to bolt, nut and/or hanger are corresponding respectively to be contacted with the first side plane and/or the second side plane, avoid and occur that bolt is subject to the shearing force of level and occurs fracture by fatigue, tiltedly hanging is caused to come off from gear case mount pad, and then jeopardize the problem of bogie truck and locomotive safety running.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing power decentralized bogie truck;
Fig. 2 is the birds-eye view of Fig. 1;
Fig. 3 is the structural representation of anti-shearing structure of inclining hanger installation bolt of gear case embodiment of the present invention;
Fig. 4 is the birds-eye view of Fig. 3.
Detailed description of the invention
Fig. 3 is the structural representation of anti-shearing structure of inclining hanger installation bolt of gear case embodiment of the present invention, Fig. 4 is the birds-eye view of Fig. 3, as Fig. 3, shown in Fig. 4, the embodiment of anti-shearing structure of inclining hanger installation bolt of gear case of the present invention, this anti-shearing structure of inclining hanger installation bolt of gear case is for power decentralized bogie truck, comprise gear case mount pad 29 and tiltedly hanging 27, gear case mount pad 29 has bolt and installs through hole, oblique hanging 27 is fixedly connected with gear case mount pad 29 by the bolt 26 be threaded onto in bolt installation through hole, one end that through hole installed by bolt is provided with the first seam 30, first seam 30 has at least one and the first side plane 32 of axis being parallel installing through hole, the first side plane 32 herein refers to that it is the side of the first seam 30, and this side is plane, bolt 26 is bolted with the nut 21 being positioned at the first seam 30, the vertical distance that through hole line of centers installed by first side plane 32 to bolt is less than nut 21 liang of adjacent side intersections install through hole line of centers vertical distance to bolt, that is to say that the vertical distance of the first side plane 32 to bolt installation through hole line of centers is less than the external radius of a circle of nut 21, be appreciated that, described first seam can have the first side plane 32 that the is one or more and axis being parallel of installation through hole, for the latter, at least should there is one in described multiple first side plane 32 and meet above-mentioned requirements, namely the vertical distance of this first side plane 32 to bolt installation through hole line of centers is less than nut 21 liang of adjacent side intersections install through hole line of centers vertical distance to bolt.At bolt, through hole is installed and one end of the first seam 30 is provided with the second seam 28, second seam has at least one and the second side plane 33 of axis being parallel installing through hole, and the hanger 25 of tiltedly hanging 27 is positioned at the second seam 28, have between the outer peripheral face of bolt 26 and the inner peripheral surface of bolt mounting holes and have the first gap 23, the side of hanger 25 and and this side the second side plane 33 in opposite directions between there is the second gap 24, the lateral surface of nut 21 and and this lateral surface the first side plane 32 in opposite directions between there is third space 22, and, the width of the first gap 23 in bolt 26 radial direction is greater than the width of the second gap 24 in bolt 26 radial direction, the width of the first gap 23 in bolt 26 radial direction is greater than the width of third space 22 in bolt 26 radial direction.
Such scheme, the one end of installing through hole at bolt is provided with the first seam 30, distance bolt 26 being bolted with nut 21, first side plane 32 to the bolt installation through hole line of centers being positioned at the first seam 30 is less than nut 21 liang of adjacent side intersections install through hole line of centers distance to bolt.Adopt said structure, because, the distance that through hole line of centers installed by first side plane 32 to bolt is less than nut 21 liang of adjacent side intersections install through hole line of centers distance to bolt, then, first side plane 32 limits the rotation of nut 21, prevent the problem occurring that nut 21 comes off, avoid and make bolt 26, from bolt, the problem come off through hole is installed because nut 21 comes off.Further, even if in train travelling process, a certain amount of loosening is had between nut 21 and bolt 26, cause bolt 26 without during tight power or tight moment of torsion deficiency, horizontal component of force along the antagonistic force tiltedly hanging 27 directions makes bolt 26 run-off the straight, and be greater than the width of the second gap 24 in bolt 26 radial direction due to the width of the first gap 23 in bolt 26 radial direction, the width of the first gap 23 in bolt 26 radial direction is greater than the width of third space 22 in bolt 26 radial direction, then before bolt 26 touches bolt installation through-hole wall face, nut 21 and/or hanger 25 are corresponding respectively to be contacted with the first side plane 32 and/or the second side plane 33, avoid and occur that bolt 26 causes fracture by fatigue by shear action, tiltedly hanging 27 is caused to come off from gear case mount pad 29, and then jeopardize the problem of bogie truck and locomotive safety running.
Particularly, based on above-described embodiment, comprise the gear case mount pad 29 of the tabular that two be arranged in parallel, one end of two gear case mount pads 29 is fixed on the framework of bogie truck, the other end is away from framework, and each gear case mount pad all offers vertical bolt away from one end of framework installs through hole.Tiltedly hanging 27 is installed between two gear installation bases 29, and two hangers 25 of tiltedly hanging 27 are fixedly connected with gear case mount pad 29 respectively by the bolt 26 be threaded onto in bolt installation through hole, in the cap of bolt 26, level wears steel wire 31, the two ends of steel wire 31 press closer in the side of hanger 25 respectively, prevent bolt 26 from rotating relative to hanger 25, realize the locking of bolt 26.Nut 21 is bolted with in the lower end of bolt 26, in order to prevent nut 21 loose or dislocation, the lower end of installing through hole at bolt is provided with the first seam 30, first seam 30 has at least one and the first side plane 32 of axis being parallel installing through hole, the nut 21 being screwed onto bolt 26 lower end is positioned at the first seam 30, and the distance that through hole line of centers installed by the first side plane 32 to bolt is less than nut 21 liang of adjacent side intersections install through hole line of centers distance to bolt, like this, first side plane 32 just can limit the rotation of nut 21, prevent nut 21 from occurring loose or dislocation, cause elasticity tiltedly to hang 27 to come off from gear case mount pad 29, and then jeopardize the problem of bogie truck and locomotive safety running.Also have, at bolt, through hole is installed and one end of the first seam 30 is provided with the second seam 28, second seam has at least one and the second side plane 33 of axis being parallel installing through hole, and the hanger 25 of tiltedly hanging 27 is positioned at the second seam 28, have between the outer peripheral face of bolt 26 and the inner peripheral surface of bolt mounting holes and have the first gap 23, the side of hanger 25 and and this side the second side plane 33 in opposite directions between there is the second gap 24, the lateral surface of nut 21 and and this lateral surface the first side plane 32 in opposite directions between there is third space 22, and, the width of the first gap 23 in bolt 26 radial direction is greater than the width of the second gap 24 in bolt 26 radial direction, the width of the first gap 23 in bolt 26 radial direction is greater than the width of third space 22 in bolt 26 radial direction.
Further, based on above-described embodiment, the present invention also provides a kind of power decentralized bogie truck, there is truck frame and take turns right, take turns on right wheel shaft and be coated with gear case, the anti-shearing structure of inclining hanger installation bolt of gear case of above-mentioned any embodiment is provided with between truck frame and gear case, and the gear case mount pad of described anti-shearing structure of inclining hanger installation bolt of gear case is fixedly connected with described truck frame, the oblique hanging of described anti-shearing structure of inclining hanger installation bolt of gear case is fixedly connected with described gear case.Wherein, anti-shearing structure of inclining hanger installation bolt of gear case, specifically see above-described embodiment, 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 above described bogie truck, and bogie truck is the power decentralized bogie truck of above-described embodiment, specifically see the embodiment of above-mentioned power decentralized bogie truck, repeats no more here.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (3)
1. an anti-shearing structure of inclining hanger installation bolt of gear case, for power decentralized bogie truck, comprise gear case mount pad and tiltedly hanging, described gear case mount pad has bolt and installs through hole, described oblique hanging is fixedly connected with described gear case mount pad by the bolt be threaded onto in described bolt installation through hole, it is characterized in that, one end that through hole installed by described bolt is provided with the first seam, described first seam has the first side plane of the axis being parallel of at least one and described installation through hole, described bolt is bolted with the nut being positioned at the first seam, at least one vertical distance of installing through hole line of centers to described bolt in described first side plane is less than the vertical distance of described nut two adjacent side intersection to described bolt installation through hole line of centers, described bolt installation through hole is provided with the second seam away from one end of described first seam, described second seam has the second side plane of the axis being parallel of at least one and described installation through hole, the hanger of described oblique hanging is positioned at described second seam, the first gap is provided with between the inner peripheral surface that through hole installed by the outer peripheral face of described bolt and described bolt, the side of described hanger and and this side described second side plane in opposite directions between there is the second gap, the lateral surface of described nut and and this lateral surface described first side plane in opposite directions between there is third space, the width of described first gap in described bolt radial direction is greater than the width of described second gap in described bolt radial direction, the width of described first gap in described bolt radial direction is greater than the width of described third space in described bolt radial direction.
2. a power decentralized bogie truck, there is truck frame and take turns right, described wheel on right wheel shaft is coated with gear case, it is characterized in that, anti-shearing structure of inclining hanger installation bolt of gear case according to claim 1 is provided with between described truck frame and described gear case, and the gear case mount pad of described anti-shearing structure of inclining hanger installation bolt of gear case is fixedly connected with described truck frame, the oblique hanging of described anti-shearing structure of inclining hanger installation bolt of gear case is fixedly connected with described gear case.
3. a motor train unit hauling engine, has bogie truck and is arranged at the compartment above described bogie truck, it is characterized in that, described bogie truck is power decentralized bogie truck according to 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 |
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| Publication Number | Publication Date |
|---|---|
| CN102514586A CN102514586A (en) | 2012-06-27 |
| CN102514586B true 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) |
Families Citing this family (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 (4)
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010000217A1 (en) * | 2010-01-27 | 2011-07-28 | ContiTech Luftfedersysteme GmbH, 30165 | Support plate with screw fastening |
-
2011
- 2011-12-16 CN CN201110427838.5A patent/CN102514586B/en active Active
Patent Citations (4)
| 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 |
| 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 |
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| CN102514586A (en) | 2012-06-27 |
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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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| TR01 | Transfer of patent right |
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. |