CN102777600B - The sealing configuration of hinging par - Google Patents
The sealing configuration of hinging par Download PDFInfo
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- CN102777600B CN102777600B CN201110116868.4A CN201110116868A CN102777600B CN 102777600 B CN102777600 B CN 102777600B CN 201110116868 A CN201110116868 A CN 201110116868A CN 102777600 B CN102777600 B CN 102777600B
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- component
- bearing
- bearing pin
- chucks
- face
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- 238000007789 sealing Methods 0.000 title claims abstract description 18
- 125000006850 spacer group Chemical group 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000003921 oil Substances 0.000 description 10
- 239000000314 lubricant Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 241001669679 Eleotris Species 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Abstract
The invention discloses a kind of sealing configuration of hinging par, the two ends of bearing pin are inserted in the bearing hole on two supports of first component respectively, the middle part of bearing pin is loosely overlapped and is had spacer, two chucks spacer are loosely equipped with, gap is left between the inner side end that two chucks are adjacent, the cover body outer end of each chuck all has radial boss, the cover body periphery of two chucks all with the endoporus drive fit of second component, the inner side surface of radial boss offsets to corresponding end face second component being positioned at endoporus two ends respectively, on bearing pin, also loosely cover has two bearing discs, the inner side surface that the outside of two bearing discs is corresponding to two supports of first component respectively offsets, inner side offsets to the corresponding end face at spacer two ends respectively, on the periphery of the radial boss of chuck, all tight cover has dish-shaped elastic seal ring, bearing pin has at least one end to have outside thread, bearing pin is fixed on first component by nut.The present invention seals reliably and compact structure, mounting or dismounting convenience.
Description
Technical field
The present invention relates to a kind of hinged sealing configuration of tamping unit pick arm of hinging par structure, particularly railway tamping machine.
Background technique
Tamping car is the main large-scale maintenance machinery equipment of rail track operation, is used widely in rail track repairing, existing line Speed Increased Reformed and new line construction at present.Tamping unit is the groundwork device of tamping car, for make rail both sides firm by ramming pillow at the bottom of ballast aggregate, improve the degree of compaction of pillow end track switch, and with play a track lining device and match, eliminate being uneven of track, strengthen the stability of track.Pick arm is the strength member of tamping unit, bear during operation vibration and under plug and pound solid active force, have swinging mounting hole at the middle part of pick arm, hinged by the box crossbeam of bearing pin and tamping unit.
The hinge point of the pick arm operating mode and severe when tamping car operation, should bear the lower slotting power that tamping unit is huge, insert the reaction force of be passed back during the clamping of backward sleeper direction under bearing tamping pickaxe again, and the vibration force produced by tamping unit vibratory shaft.Therefore very high to the lubricating requirement at this position, must have good lubrication, otherwise this position will produce wear out failure very soon, this position all adopts thin oil lubricant to ensure good lubrication effect usually.Owing to adopting thin oil lubricant, add this spatial position, position narrow and small, during operation, operating mode is very severe again, and therefore conventional sealing configuration cannot meet the demands, and must design the sealing configuration of rational pick arm hinging par to ensure good sealing effect for the particular/special requirement at this position.
Summary of the invention
The object of the present invention is to provide a kind of sealing reliably and the sealing configuration of compact structure, simple load and unload hinging par.
In order to achieve the above object, the technical solution used in the present invention is: a kind of sealing configuration of hinging par, comprise first component, second component and bearing pin, the two ends of described bearing pin are inserted in the bearing hole on two supports of first component respectively, the middle part of bearing pin is loosely overlapped and is had spacer, two chucks described spacer are loosely equipped with, gap is left between the inner side end that two chucks are adjacent, the cover body outer end of each chuck all has radial boss, the cover body periphery of described two chucks all with the endoporus drive fit of second component, the inner side surface of the radial boss of two chucks offsets to corresponding end face second component being positioned at endoporus two ends respectively, on described bearing pin, also loosely cover has two bearing discs, the inner side surface that the outside of two bearing discs is corresponding to two supports of first component respectively offsets, the inner side of two bearing discs offsets to the corresponding end face at spacer two ends respectively, on the periphery of the radial boss of described two chucks, all tight cover has dish-shaped elastic seal ring, the outside of described dish-shaped elastic seal ring and the inner side of corresponding bearing disc offset, inner side offsets to corresponding end face second component being positioned at endoporus two ends, described bearing pin has at least one end to have outside thread, and outside the bearing hole of stretching out first component, bearing pin is fixed on first component by nut.
Described bearing disc is the concave disks with cavity, and dish-shaped elastic seal ring sinks within the cavity of bearing disc.
Described dish-shaped elastic seal ring comprises rubber ring, belleville spring and steel ring, steel ring is embedded within rubber ring, belleville spring to be contained on rubber ring and to support lip and the back of rubber ring, the inner hole wall of rubber ring is tightly placed on the periphery of the boss of cover, the end face of second component is close at the back of rubber ring, and lip is close to the inner side of bearing disc.
Have through oil groove on the inner hole wall of described chuck and on the exterior edge face of radial boss, this through oil groove is distributed with 4.
After adopting the structure of technique scheme, by the cooperation of bearing pin and nut, dish-shaped elastic seal ring on extruding bearing disc, the resiliently deformable of dish elastic seal ring can make the lubricating oil path reliable sealing of first component and second component to a certain extent, solve a sealing difficult problem for the thin oil lubricant of the hinging par of tamping unit pick arm, and compact structure, simple, mounting or dismounting convenience.
Accompanying drawing explanation
Fig. 1 is the structural representation of the sealing configuration of hinging par of the present invention;
Fig. 2 is the structural representation overlapped in Fig. 1;
Fig. 3 is the left view of Fig. 2;
Fig. 4 is the structural representation of bearing disc in Fig. 1;
Fig. 5 is the left view of Fig. 4;
Fig. 6 is the structural representation enlarged view of dish-shaped elastic seal ring in Fig. 1, i.e. the B-B sectional view of Fig. 7;
Fig. 7 is the left view of Fig. 6;
Fig. 8 is the A portion zoomed-in view of Fig. 6;
Fig. 9 is the C portion zoomed-in view of Fig. 7.
Embodiment
The present invention is further detailed explanation for the embodiment provided below in conjunction with accompanying drawing.
As Fig. 1, 2, 3, 4, 5, 6, shown in 7, the sealing configuration of a kind of hinging par of the present invention, comprise first component 1, second component 4 and bearing pin 7, the two ends of described bearing pin 7 are inserted in the bearing hole 1-1-1 on two support 1-1 of first component 1 respectively, the middle part of bearing pin 7 is loosely overlapped and is had spacer 6, two chucks 5 described spacer 6 are loosely equipped with, gap 9 is left between the inner side end that two chucks 5 are adjacent, the cover body 5-2 outer end of each chuck 5 all has radial boss 5-1, the cover body 5-2 periphery of described two chucks 5 all with the endoporus 4-1 drive fit of second component 4, the inner side surface of the radial boss 5-1 of two chucks 5 offsets to corresponding end face second component 4 being positioned at endoporus two ends respectively, on described bearing pin 7, also loosely cover has two bearing discs 2, the inner side surface that the outside of two bearing discs 2 is corresponding to two support 1-1 of first component 1 respectively offsets, the inner side of two bearing discs 2 offsets to the corresponding end face at spacer 6 two ends respectively, on the periphery of the radial boss 5-1 of described two chucks 5, all tight cover has dish-shaped elastic seal ring 3, the outside of described dish-shaped elastic seal ring 3 and the inner side of corresponding bearing disc 2 offset, inner side offsets to corresponding end face second component 4 being positioned at endoporus two ends, described bearing pin 7 has at least one end to have outside thread 7-1, and outside the bearing hole 1-1-1 stretching out first component 1, bearing pin 7 is fixed on first component 1 by nut 8.
As shown in Fig. 1,4,5, described bearing disc 2 is the concave disks with cavity 2-1, and dish-shaped elastic seal ring 3 sinks within the cavity 2-1 of bearing disc 2.
As shown in Fig. 1,6,7,8,9, described dish-shaped elastic seal ring 3 comprises rubber ring 3-1, belleville spring 3-2 and steel ring 3-3, steel ring 3-3 is embedded within rubber ring 3-1, belleville spring 3-2 to be contained on rubber ring 3-1 and to support lip 3-1-1 and the back 3-1-2 of rubber ring 3-1, the inner hole wall of rubber ring 3-1 is tightly placed on the periphery of boss 5-1 of cover 5, the back 3-1-2 of rubber ring 3-1 is close to the end face of second component 4, and lip 3-1-1 is close to the inner side of bearing disc 2.
As shown in Figure 2,3, have through oil groove 5-3 on the inner hole wall 5-4 of described chuck 5 and on the exterior edge face of radial boss 5-1, this through oil groove 5-3 is distributed with 4.
As shown in Figure 1, dish-shaped elastic seal ring 3, near crossbeam 4 end face, by fastening nut 8, compresses pick arm 1, bearing disc 2, and the dish-shaped elastic seal ring 3 of final compression, by reaching sealing to the extrusion-deformation of seal ring.
As shown in Fig. 1,8, when after fastening nut 8, all be close together between first component 1, bearing disc 2, spacer 6, therefore when first component 1 rotates, drive bearing pin 7, bearing disc 2 and spacer 6 are rotated simultaneously, relatively rotate between spacer 6 and chuck 5, also relatively rotate between bearing disc 2 and dish-shaped elastic seal ring 3 simultaneously.The gap of 0.15mm is preferably left between the end face outside of chuck 5 and bearing disc 2.Dish elastic seal ring 3 is tightly placed on the periphery of radial boss 5-1 of chuck 5, and back 3-1-2 is close to the end face of second component 4, after fastening nut 8, dish elastic seal ring 3 is extruded between bearing disc 2 and second component 4, belleville spring 3-2 is stressed, force the lip 3-1-1 of rubber ring 3-1 to be close to the inner plane of bearing disc 2, reach sealing effect.The oilhole of lubricant oil in the middle part of second component 4 with pressure flows into, 4 oil groove 5-3 on the inner hole wall 5-4 of the clearance space between chuck 5 and spacer 6 and chuck 5 and the exterior edge face of radial boss 5-1, finally flow to the clearance space between the exterior edge face of chuck 5 and bearing disc 2 and the space between dish-shaped elastic seal ring 3 and bearing disc 2, such lubricant oil has just been stored in this confined space, lubrication when ensure that work between spacer 6 periphery and the inwall of chuck 5, reduces wearing and tearing and occurs.
Claims (2)
1. a sealing configuration for hinging par, comprises first component (1), second component (4) and bearing pin (7), it is characterized in that:
The two ends of a, described bearing pin (7) are inserted in the bearing hole (1-1-1) on two supports (1-1) of first component (1) respectively, and the middle part of bearing pin (7) is loosely overlapped spacer (6),
B, described spacer (6) are loosely equipped with two chucks (5), leave gap (9) between the inner side end that two chucks (5) are adjacent, cover body (5-2) outer end of each chuck (5) all has radial boss (5-1),
Cover body (5-2) periphery of c, described two chucks (5) all with endoporus (4-1) drive fit of second component (4), the inner side surface of the radial boss (5-1) of two chucks (5) respectively with second component (4) on be positioned at endoporus two ends corresponding end face offset
On d, described bearing pin (7), also loosely cover has two bearing discs (2), the outside of two bearing discs (2) offsets with the corresponding inner side surface of two supports (1-1) of first component (1) respectively, the inner side of two bearing discs (2) offsets with the corresponding end face at spacer (6) two ends respectively
On the periphery of the radial boss (5-1) of e, described two chucks (5), all tight cover has dish-shaped elastic seal ring (3),
The outside of f, described dish-shaped elastic seal ring (3) and the inner side of corresponding bearing disc (2) offset, and corresponding end face inner side and second component (4) being positioned at endoporus two ends offsets,
G, described bearing pin (7) have at least one end to have outside thread (7-1), and outside the bearing hole (1-1-1) of stretching out first component (1), bearing pin (7) is fixed on first component (1) by nut (8),
H, described dish-shaped elastic seal ring (3) comprises rubber ring (3-1), belleville spring (3-2) and steel ring (3-3), steel ring (3-3) is embedded within rubber ring (3-1), belleville spring (3-2) is contained in rubber ring (3-1) and goes up and the lip (3-1-1) and back (3-1-2) that support rubber ring (3-1), the inner hole wall of rubber ring (3-1) is tightly placed on the periphery of boss (5-1) of chuck (5), the end face of second component (4) is close at the back (3-1-2) of rubber ring (3-1), lip (3-1-1) is close to the inner side of bearing disc (2),
The inner hole wall (5-4) of i, described chuck (5) above and on the exterior edge face of radial boss (5-1) has through oil groove (5-3), and this through oil groove (5-3) is distributed with 4.
2. the sealing configuration of hinging par according to claim 1, is characterized in that: described bearing disc (2) is the concave disks with cavity (2-1), and dish-shaped elastic seal ring (3) sinks within the cavity (2-1) of bearing disc (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110116868.4A CN102777600B (en) | 2011-05-07 | 2011-05-07 | The sealing configuration of hinging par |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110116868.4A CN102777600B (en) | 2011-05-07 | 2011-05-07 | The sealing configuration of hinging par |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102777600A CN102777600A (en) | 2012-11-14 |
| CN102777600B true CN102777600B (en) | 2015-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110116868.4A Active CN102777600B (en) | 2011-05-07 | 2011-05-07 | The sealing configuration of hinging par |
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| Country | Link |
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| CN (1) | CN102777600B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104986095B (en) * | 2015-07-08 | 2017-09-22 | 菏泽京九特种汽车有限公司 | A kind of wind electricity blade transport vehicle for improving panel turnover mechanism |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86103092A (en) * | 1986-05-12 | 1987-01-24 | 哈尔滨铁路局哈尔滨科学技术研究所 | Fouling of clearance gauge dwarf forms hydraulic tamping machine not |
| EP0491124A3 (en) * | 1990-12-19 | 1993-09-01 | Liebherr-Werk Bischofshofen Gmbh | Bearing |
| CN2567265Y (en) * | 2002-07-24 | 2003-08-20 | 上海剑豪液力传动设备制造有限公司 | Pin locking structure of tamping machine |
| CN202090249U (en) * | 2011-05-07 | 2011-12-28 | 常州市瑞泰工程机械有限公司 | Seal structure of a hinged component |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2929351B2 (en) * | 1993-10-05 | 1999-08-03 | 新潟コベルコ建機株式会社 | Roadbed tamping device |
| CN201621281U (en) * | 2010-03-25 | 2010-11-03 | 青岛开世密封工业有限公司 | Seal ring for a main operation rod |
-
2011
- 2011-05-07 CN CN201110116868.4A patent/CN102777600B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86103092A (en) * | 1986-05-12 | 1987-01-24 | 哈尔滨铁路局哈尔滨科学技术研究所 | Fouling of clearance gauge dwarf forms hydraulic tamping machine not |
| EP0491124A3 (en) * | 1990-12-19 | 1993-09-01 | Liebherr-Werk Bischofshofen Gmbh | Bearing |
| CN2567265Y (en) * | 2002-07-24 | 2003-08-20 | 上海剑豪液力传动设备制造有限公司 | Pin locking structure of tamping machine |
| CN202090249U (en) * | 2011-05-07 | 2011-12-28 | 常州市瑞泰工程机械有限公司 | Seal structure of a hinged component |
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| Publication number | Publication date |
|---|---|
| CN102777600A (en) | 2012-11-14 |
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| CP01 | Change in the name or title of a patent holder |
Address after: 213022, Changzhou, Jiangsu New District hi tech park, building B, block Co-patentee after: CRRC QISHUYAN INSTITUTE Co.,Ltd. Patentee after: CHANGZHOU RUITAI ENGINEERING MACHINERY Co.,Ltd. Address before: 213022, Changzhou, Jiangsu New District hi tech park, building B, block Co-patentee before: CSR QISHUYAN INSTITUTE Co.,Ltd. Patentee before: CHANGZHOU RUITAI ENGINEERING MACHINERY Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 213022, building B, building 2, Xinbei hi tech park, Xinbei District, Jiangsu, Changzhou Patentee after: Changzhou CRRC Ruitai Equipment Technology Co.,Ltd. Patentee after: CRRC QISHUYAN INSTITUTE Co.,Ltd. Address before: 213022, building B, building 2, Xinbei hi tech park, Xinbei District, Jiangsu, Changzhou Patentee before: CHANGZHOU RUITAI ENGINEERING MACHINERY Co.,Ltd. Patentee before: CRRC QISHUYAN INSTITUTE Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 213022, building B, building 2, Xinbei hi tech park, Xinbei District, Jiangsu, Changzhou Patentee after: Changzhou CRRC Ruitai Equipment Technology Co.,Ltd. Country or region after: China Patentee after: CRRC Qishuyan Locomotive and Rolling Stock Technology Research Institute Co.,Ltd. Address before: 213022, building B, building 2, Xinbei hi tech park, Xinbei District, Jiangsu, Changzhou Patentee before: Changzhou CRRC Ruitai Equipment Technology Co.,Ltd. Country or region before: China Patentee before: CRRC QISHUYAN INSTITUTE Co.,Ltd. |