CN202806779U - Gear cover device of railway vehicle bogie - Google Patents
Gear cover device of railway vehicle bogie Download PDFInfo
- Publication number
- CN202806779U CN202806779U CN 201220510007 CN201220510007U CN202806779U CN 202806779 U CN202806779 U CN 202806779U CN 201220510007 CN201220510007 CN 201220510007 CN 201220510007 U CN201220510007 U CN 201220510007U CN 202806779 U CN202806779 U CN 202806779U
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- gear cover
- plate
- bogies
- cover device
- railway vehicles
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Abstract
The utility model discloses a gear cover device of a railway vehicle bogie. The gear cover device comprises a top cover and a bottom cover which are mutually connected in a buckle mode. The top cover and the bottom cover are respectively formed by a top plate and side plates on two sides through welding. The side plates on the two sides of top cover and the bottom cover are respectively provided with at least one semi-circular hoop plate, and at least one side plate is composed of steel plates on two sides and a mounting seat assembly in the middle. The mounting seat assembly is composed of a base and a boss provided with threads inside, and is a forged integrated structure piece. The base is welded with the steel plates on the two sides and the top plate at the joint positions. The gear cover device of the railway vehicle bogie is optimized in the integral structure, and substantially improves strength of the integral structure through adoption of the forged piece and polished welding seams on key structure pieces. Moreover, the top plate is partially strengthened and rib plates for fixing and reinforcing are welded on the inner wall of the top plate, so integral rigidity and first-order natural resonant frequency of the structure are improved. Stress states of the gear cover are improved, and the measures can effectively solve the problem that under a complex work condition, the gear cover flaws under force.
Description
Technical field
The utility model relates to a kind of bogies for railway vehicles gear cover device, belongs to guideway vehicle vehicle manufacturing technology field.
Background technology
In the guideway vehicles such as motor-car, the transmission gear of traction electric machine all can arrange a gear cover outward, and the effect of gear cover is that the seal protection pinion unit is unified and deposited traction gear fat.At present, gear cover in the motor car bogie, as depicted in figs. 1 and 2, adopt upper outlet body 1 and lower cover 2 to be interconnected to form the structure of a casing, upper outlet body 1 and lower cover 2 are welded by side plate 3 and top board 4, and on side plate 3, be welded and fixed again one and be used for gear cover is fixed on mount pad 5 on the traction electric machine, be the intensity of strengthening mount pad 5, be welded with a plurality of reinforced ribs 6 between mount pad 5 and side plate 3, reinforced rib 6 also adopts steel plate.Because the train operation vibration is more violent, its impact acceleration is larger, causes gear cover fault very easily to occur tearing, brings very large hidden danger for the safe operation of train.
The utility model content
The utility model main purpose is to address the above problem and is not enough, and a kind of structure optimization is provided, and increases substantially the bogies for railway vehicles gear cover device of overall construction intensity.
For achieving the above object, the technical solution of the utility model is:
A kind of bogies for railway vehicles gear cover device, comprise the overhead guard and the end cover that mutually are fastened and connected, described overhead guard and end cover are formed by the plate-side plate welding of top board, both sides respectively, described side plate in both sides is respectively arranged with at least one half circular boop plate, one of them described side plate is comprised of steel plate and middle seat assembly three parts of both sides, described seat assembly is comprised of the boss of base and built-in screw thread, the integrative-structure spare of described seat assembly for forging, described base docks welding with the steel plate of both sides and the junction of top board.
Further, around described boss, also be provided with at least one reinforced rib, described reinforced rib and described base and boss one forging and molding, described reinforced rib is arc transition from described boss to described base.
Further, on described top board, the thickness of the position that is welded to connect with described seat assembly is greater than the thickness of its both sides.
Further, described hoop plate is that a plurality of Plate Weldings form, and is connected with described plate-side plate welding.
Further, be welded with a mount pad below cover of the described end, described mount pad is Forging Parts.
Further, be welded with at least one gusset at described top board inwall.
Further, the material of described top board, side plate and hoop plate is high strength steel.
Further, cover is provided with oil filling port at the described end, arranges one at described oil filling port place and adds font, one fuel door is set adding font, in described fuel door one dipstick is installed, and described dipstick stretches in the cover of the described end.
Further, be provided with at least one closure gasket groove at described hoop plate, be embedded at the described closure gasket groove of per pass sealing member is installed.
Further, the weld grinding of weld becomes the transition arc shape.
In sum, bogies for railway vehicles gear cover device described in the utility model, integral structure is optimized, adopt Forging Parts by key structure spare, increase substantially overall construction intensity, and the local thickening of top board and within it wall be welded and fixed the gusset of strengthening usefulness, improved integral rigidity and the single order natural resonant frequency of structure, improved the strained condition of gear cover, these measures efficiently solve the problem of the stressed crackle of complex working condition lower tooth wheel cover.
Description of drawings
Fig. 1 is the prior art structural representation;
Fig. 2 is the lateral plan of Fig. 1;
Fig. 3 is the utility model structural representation;
Fig. 4 is the lateral plan of Fig. 3;
Fig. 5 is the A-A cutaway view of Fig. 3;
Fig. 6 is the utility model overhead guard structural representation;
Fig. 7 is the cutaway view of Fig. 6;
Fig. 8 is the upward view of Fig. 6;
Fig. 9 is the structural representation of cover at the bottom of the utility model;
Figure 10 is the cutaway view of Fig. 9;
Figure 11 is the upward view of Fig. 9.
As depicted in figs. 1 and 2, upper outlet body 1, lower cover 2, side plate 3, top board 4, mount pad 5, reinforced rib 6.
Extremely shown in Figure 11 such as Fig. 3, overhead guard 7, end cover 8, bolt 9, big gear wheel 10, miniature gears 11, top board 12, side plate 13, hoop plate 14, seat assembly 15, steel plate 16, base 17, boss 18, reinforced rib 19, gusset 20, mount pad 21, closure gasket groove 22, sealing member 23, bolt 24, connecting panel 25, double-screw bolt 26, nut 27, add font 28, fuel door 29, dipstick 30, screw plug mount pad 31.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment the utility model is described in further detail:
Extremely shown in Figure 5 such as Fig. 3, a kind of bogies for railway vehicles gear cover device, comprise overhead guard 7 and end cover 8, the both sides of overhead guard 7 and end cover 8 mutually are fastened by bolt 9 and are connected to form a complete casing shape structure, this casing shape structure is fixedly mounted on the traction electric machine (failing among the figure to illustrate), big gear wheel 10 and the miniature gears 11 of intermeshing transmission are installed in the gear cover, the wheel of big gear wheel 10 and bogie truck is to being connected, miniature gears 11 is connected with the output shaft of traction electric machine, and traction electric machine drives the rotation of moving in turn by miniature gears 11 and big gear wheel 10.Bottom space internal memory in casing shape structure is placed with traction gear fat.
As shown in Figure 3, in order to strengthen the fixing of overhead guard 7 and end cover 8, guarantee seamless between the two, and the sealing between assurance and motor shaft and the axletree, pass through again four bolt 24 captive joints around the axletree, but in order to reduce installation difficulty, a bolt arranges a take-up device outward therein, take-up device comprises connecting panel 25, double-screw bolt 26 and packing ring and nut 27 etc., connecting panel 25 is weldingly fixed on the top board 12 of end cover 8, double-screw bolt 26 passes the bolt hole on connecting panel 25 and overhead guard 7 and the end cover 8, rotating nut 27 connection that is strained and fixed.
Extremely shown in Figure 11 such as Fig. 6, overhead guard 7 and end cover 8 are formed by side plate 13 welding of top board 12 and both sides respectively, be respectively arranged with half circular boop plate 14 at each side plate 12, two and half circular boop plates 14 mutually docking form complete annulus, and the traction electric machine axle is connected annulus that hoop plate 14 forms and miniature gears 11 is connected with big gear wheel and is connected with axletree.For gear cover is fixed on the traction electric machine, be provided with for hard-wired seat assembly 15 at the side plate 13 of overhead guard 7 and end cover 8,15 of seat assemblies are installed on the side plate 13 of a side, and the side plate 13 of opposite side is the high tensile steel plate of a monoblock.
Such as Fig. 6 and shown in Figure 9, the side plate 13 that a side of the overhead guard 7 of seat assembly 15 and end cover 8 is installed forms by three parts, and the centre is seat assembly 15, and both sides are respectively a high tensile steel plate 16.Seat assembly 15 is comprised of the boss 18 of base 17 and built-in screw thread, base 17, boss 18, steel plate 16 all adopt the high strength steel material, the optional Q345 that selects of material model, in the present embodiment, base 17 in the seat assembly 15 and the integrative-structure spare of boss 18 for adopting Forging Technology to make, base 17 adopts butt-welded technique to captive joint with the steel plate 16 of both sides and the junction of top board 13, and steel plate 16 and corresponding top board 1 joint are also by the butt welding process captive joint.Seat assembly 15 adopts the high strength Forging Parts, can increase substantially integral rigidity and the intensity of this structure, avoids gear cover to produce the phenomenon of tearing at vehicle operating process latus inframedium 13 main stress points.
Such as Fig. 4 and shown in Figure 7, in order further to strengthen integral rigidity and intensity, in the seat assembly 15 on overhead guard 7, be provided with at least one reinforced rib 19 around the boss 18, reinforced rib 19 is identical with the material of base 17 and boss 18, in the present embodiment, be provided with two reinforced ribs 19, reinforced rib 19 also can arrange ringwise, and reinforced rib 19 is integrated forging and molding with base 17 and boss 18, and reinforced rib 19 adopts arc transition from boss 18 to base 17.The bottom of boss 18 is at the position that reinforced rib 19 is not set, and also is arc transition between the base 17, to gain in strength.
Such as Fig. 4 and shown in Figure 10, in the seat assembly 15 on end cover 8, around the boss 18 reinforced rib 19 is not set, be arc transition between the bottom of boss 18 and the base 17, to gain in strength.
Such as Fig. 6 and shown in Figure 9, at the top of the top board 12 of overhead guard 7 and end cover 8, namely with seat assembly 15 in the position that is welded to connect of base 17, the thickness of top board 12 is greater than the thickness of its both sides herein, top board 12 is done local thickening and is processed.Can weld in addition again one deck steel plate herein and realize thickening, in the present embodiment, top board 12 also is divided into three sections, one section middle high tensile steel plate that employing is thicker, relatively thin high tensile steel plate is then adopted in both sides, and its joint adopts butt-welded technique captive joint.Such as Fig. 6 and shown in Figure 8, be welded with two gussets 20 at the inwall of the top board 12 of overhead guard 7, gusset 20 also also is welded and fixed between the base 17.Top board 12 adopts this structure, is to improve integrally-built Rigidity and strength for further, and makes the gear cover natural resonant frequency improve 25%, has improved the strained condition of gear cover.
Such as Fig. 3 and shown in Figure 9, below end cover 8, also be welded with a mount pad 21, mount pad 21 also is the framing member of making by Forging Technology, is arc transition between the top board 127 of its bottom and end cover 8, to gain in strength.
Such as Fig. 5, Fig. 8 and shown in Figure 11, the semi-round hoop plate 14 on overhead guard 7 and the end cover 8 is spliced for being welded by a plurality of high tensile steel plates, and is welded to connect with corresponding side plate 13.Side plate 13 in a side has two and half circular boop plates 14, only has one and half circular boop plates 14 on the side plate 13 of opposite side, is used for passing axletree.The thickness of hoop plate 14 is greater than the thickness of corresponding side plate 13, to strengthen integrally-built Rigidity and strength.In hoop plate 14, be provided with closure gasket groove 22, in the hoop plate 14 that seat assembly 15 1 sides are installed, three seals annular groove 22 is set, this is in the leak tightness between the axletree in reinforcement, the hoop plate 14 interior two road closure gasket grooves 22 that arrange at opposite side, sealing member 23 in the closure gasket groove 22 interior settings that are connected with motor shaft is sealing rubber ring, in other per pass closure gasket groove 22, paste a circle sealing member 23, sealing member 23 adopts the industrial felt of white, industrial felt and axletree form hermetically-sealed construction, prevent that gear seborrhea from going out.
As shown in Figure 3, be provided with oil filling port at end cover 8, be used in gear cover, injecting gear fat, arrange one at the oil filling port place and add font 28, a fuel door 29 is set adding font 28, in fuel door 29 dipstick 30 is installed, dipstick 30 stretches to the position of the close bottom in the end cover 8, the bottom of dipstick 30 is approximately about 15mm apart from the distance of the bottom of end cover 8, and dipstick 30 is used for checking the state of gear cover inner gear fat, can conveniently monitor the oil level, quality of gear fat etc.
On end cover 8 a screw plug mount pad 31 is set also, the screw plug on the screw plug mount pad 31 of outwarding winding can discharge the gear fat in the gear cover.
In this structure, the weld seam of all welds all is optimized processing, and butt welded seam is polished, and butt welded seam carries out arc transition and process, and the weld seam after the optimization can be eliminated unrelieved stress, has good mechanical property.
As mentioned above, given scheme content can derive similar technical scheme in conjunction with the accompanying drawings and embodiments.In every case be the content that does not break away from technical solutions of the utility model,, all still belong in the scope of technical solutions of the utility model any simple modification, equivalent variations and modification that above embodiment does according to technical spirit of the present utility model.
Claims (10)
1. bogies for railway vehicles gear cover device, comprise the overhead guard and the end cover that mutually are fastened and connected, described overhead guard and end cover are formed by the plate-side plate welding of top board, both sides respectively, described side plate in both sides is respectively arranged with at least one half circular boop plate, it is characterized in that: one of them described side plate is comprised of steel plate and middle seat assembly three parts of both sides, described seat assembly is comprised of the boss of base and built-in screw thread, the integrative-structure spare of described seat assembly for forging, described base docks welding with the steel plate of both sides and the junction of top board.
2. bogies for railway vehicles gear cover device according to claim 1, it is characterized in that: around described boss, also be provided with at least one reinforced rib, described reinforced rib and described base and boss one forging and molding, described reinforced rib is arc transition from described boss to described base.
3. bogies for railway vehicles gear cover device according to claim 1 is characterized in that: on described top board, the thickness of the position that is welded to connect with described seat assembly is greater than the thickness of its both sides.
4. bogies for railway vehicles gear cover device according to claim 1, it is characterized in that: described hoop plate is that a plurality of Plate Weldings form, and is connected with described plate-side plate welding.
5. bogies for railway vehicles gear cover device according to claim 1 is characterized in that: be welded with a mount pad below cover of the described end, described mount pad is Forging Parts.
6. bogies for railway vehicles gear cover device according to claim 1 is characterized in that: be welded with at least one gusset at described top board inwall.
7. bogies for railway vehicles gear cover device according to claim 1, it is characterized in that: the material of described top board, side plate, hoop plate is high strength steel.
8. bogies for railway vehicles gear cover device according to claim 1, it is characterized in that: cover is provided with oil filling port at the described end, arrange one at described oil filling port place and add font, one fuel door is set adding font, in described fuel door one dipstick is installed, described dipstick stretches in the cover of the described end.
9. bogies for railway vehicles gear cover device according to claim 1 is characterized in that: be provided with one closure gasket groove at described hoop plate, be embedded at the described closure gasket groove of per pass sealing member is installed at least.
10. according to claim 1 to 9 each described bogies for railway vehicles gear cover devices, it is characterized in that: the weld grinding of weld becomes the transition arc shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220510007 CN202806779U (en) | 2012-09-29 | 2012-09-29 | Gear cover device of railway vehicle bogie |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220510007 CN202806779U (en) | 2012-09-29 | 2012-09-29 | Gear cover device of railway vehicle bogie |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202806779U true CN202806779U (en) | 2013-03-20 |
Family
ID=47865706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220510007 Expired - Lifetime CN202806779U (en) | 2012-09-29 | 2012-09-29 | Gear cover device of railway vehicle bogie |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202806779U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103538589A (en) * | 2013-10-30 | 2014-01-29 | 永济新时速电机电器有限责任公司 | Gear cover for speed reducing device of industrial and mining electric locomotive |
| CN103693050A (en) * | 2014-01-10 | 2014-04-02 | 南车株洲电力机车有限公司 | Narrow-rail steering frame driving device |
| CN105710659A (en) * | 2015-12-26 | 2016-06-29 | 沈正福 | Side cover |
-
2012
- 2012-09-29 CN CN 201220510007 patent/CN202806779U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103538589A (en) * | 2013-10-30 | 2014-01-29 | 永济新时速电机电器有限责任公司 | Gear cover for speed reducing device of industrial and mining electric locomotive |
| CN103693050A (en) * | 2014-01-10 | 2014-04-02 | 南车株洲电力机车有限公司 | Narrow-rail steering frame driving device |
| CN105710659A (en) * | 2015-12-26 | 2016-06-29 | 沈正福 | Side cover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Patentee after: CRRC QINGDAO SIFANG Co.,Ltd. Address before: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Patentee before: CSR QINGDAO SIFANG LOCOMOTIVE & ROLLING STOCK Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130320 |
|
| CX01 | Expiry of patent term |