CN1224546C - Locomotive gear wheel box and its production method - Google Patents
Locomotive gear wheel box and its production method Download PDFInfo
- Publication number
- CN1224546C CN1224546C CN 02134081 CN02134081A CN1224546C CN 1224546 C CN1224546 C CN 1224546C CN 02134081 CN02134081 CN 02134081 CN 02134081 A CN02134081 A CN 02134081A CN 1224546 C CN1224546 C CN 1224546C
- Authority
- CN
- China
- Prior art keywords
- cover
- interface flange
- gear cases
- installing locomotive
- gear box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- General Details Of Gearings (AREA)
Abstract
The present invention provides a locomotive gear box used on a locomotive and a manufacturing method thereof. The gear box comprises an upper shield (1), a lower shield (2), a connector, etc., wherein the upper shield (1) and the lower shield (2) are in an integral structure formed by the cold drawing or the hot drawing of a steel plate of 2 to 3mm multiple times, reinforcing ribs (6, 7) are processed by cold pressing multiple times on the peripheral planes of the upper shield (1) and the lower shield (2), the integral strength and the integral rigidity of a box body are reinforced, and a circular or special-shaped reinforcing and supporting rib (13) formed by the cold pressing is used for reinforcing a position needing local reinforcement. The gear box ensures that an oil loading position does not have welding seams; therefore, the box body can not be cracked caused by reasons, such as vibration, temperature change, etc., the material thickness of the gear box is only one half of that of the traditional gear box, the weight of the gear box is greatly lightened, inertial impact force is reduced, strength requirements for installing components are correspondingly reduced, and meanwhile, the present invention also has the advantages of good product consistency and high interchangeability.
Description
Technical field
The present invention relates to a kind of gear case and manufacture method thereof, especially installing locomotive gear cases that uses on the train locomotive and manufacture method thereof.
Background technology
It is that tractor-trailer train travels that electric locomotive, diesel locomotive, light rail train and subway train all adopt traction motor to drive wheel by the gear transmission in the gear case.At present, traditional installing locomotive gear cases is the steel plate welded structure that adopts 5～6mm, Heavy Weight not only, and because weld defect, welding stress are inhomogeneous, the impact of locomotive during at a high speed by rail slit and track switch, and difference variation etc. is all multifactor, all may cause the casing weld cracking, thereby causes the gear case leakage of oil and influence the normal operation of train, this has not only caused economic loss, has caused environmental pollution near returning railway.
Summary of the invention
Thereby, the invention provides weldless installing locomotive gear cases in the oily position of a kind of Sheng and manufacture method thereof in order to overcome the existing welded type gear case weld seam deficiency that causes leakage of oil easy to crack.
The technical solution adopted for the present invention to solve the technical problems is: this installing locomotive gear cases is to make by following method, comprises following processing step:
(1) will pass through at least cold drawing or hot-stretch through 2～5mm sheet material of blanking, the box outline of cover, following cover in the formation;
(2), on the gear case body surface, form reinforced rib, hang the welding boss again through at least once colding pressing;
(3) again through at least once cold pressing, punching, form oil ga(u)ge seat welding boss;
(4), cover interface flange in the formation, cover interface flange and seam down again through one-off hole-piercing, flange, pressure shape at least;
(5) will go up cover, down cover casing with through the reinforcing ribs of at least cold-press moulding and coupling nut welding boss, connector, supported carry out the gas shield welding, cover, the following blank that covers formations in;
(6), cover, cover down finished product in the formation through line, metalworking;
(7) assembling forms the installing locomotive gear cases finished product.
Installing locomotive gear cases by above-mentioned manufacture method manufacturing, comprise cover, down cover, connector, suspension welding boss, reinforcing ribs, coupling nut welding boss, on cover interface flange and cover interface flange down, coupling nut welding boss and cover welding down, above-mentioned go up cover or/and down cover with hang welding boss, oil ga(u)ge seat welding boss, on cover the interface flange, down cover the interface flange be by stretch, stamping forming continuous integral structure.
The invention has the beneficial effects as follows: owing to last cover, following cover all adopt the manufacture craft that stretches, make its gear case contain oily position and do not have weld seam, thereby can not cause the casing cracking because of reasons such as vibrations, temperature traverses, and its material thickness has only half that adopts casing that traditional handicraft makes, box weight alleviates greatly, thereby reduced inertial impact force, to the also corresponding reduction of requirement of strength of installation component, also have good product consistency, advantage that interchangeability is high simultaneously.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the cutaway view of existing installing locomotive gear cases.
Fig. 2 is the right elevation of Fig. 1.
Fig. 3 is the front view of installing locomotive gear cases of the present invention.
Fig. 4 is the left view of Fig. 3.
Fig. 5 is the right elevation of Fig. 3.
Fig. 6 is the partial enlarged drawing at Fig. 3 A place.
Fig. 7 is the interface flange semi-sictional view enlarged drawing at Fig. 3 A-A place.
The specific embodiment
The manufacture method of installing locomotive gear cases of the present invention comprises following processing step:
Will be through 2～5mm steel plate of blanking, preferably 2～3mm steel plate is by repeatedly cold drawing or hot-stretch, covers 1 in formations, covers 2 box outline down; Through repeatedly colding pressing, on the gear case body surface, form reinforced rib 6, reinforced rib 7, hang welding boss 8 again; Again through repeatedly cold pressing, punching forms oil ga(u)ge seat welding boss 9; Again through repeatedly punching, flange, pressure shape, cover interface flange 11 in the formation, cover interface the flange 12 and seam 4 of sealing band 5 is installed down, seam 4 can adopt also after the independent making again that the mode of welding forms; To go up then cover 1, down cover 2 with through the reinforcing ribs 13 of cold-press moulding repeatedly and the repeatedly welding such as coupling nut welding boss 10, connector 3, supported 14 of cold-press moulding; welding manner is a gas shield welding, thereby form to go up cover 1, cover 2 blank down.Then through operations such as line, metalworking, cover 1 in the formation, cover 2 finished products down; Through assembling, paint, form the installing locomotive gear cases finished product at last.Stretched quantitative limitation and influencing of the number of times that more than go up cover 1, covers the cold drawing of 2 casing or hot-stretch down generally needs more than 3 times or 3 times.When the cold drawing number of times surpasses 3 times, for eliminating the influence of internal stress, also need carry out tempering and surface acid-washing, be stretched to shaping again, during less than 3 times, then can not carry out tempering and surface acid-washing at drawing numbers.
Existing installing locomotive gear cases is the steel plate welded structure that adopts 5～6mm as shown in Figure 1 and Figure 2.
Installing locomotive gear cases such as Fig. 3, Fig. 4, shown in Figure 5 that the manufacture method of installing locomotive gear cases of the present invention is made, this installing locomotive gear cases comprises the going up cover 1, cover 2 down of existing installing locomotive gear cases, connector 3, hangs welding boss 8, reinforcing ribs 13, coupling nut welding boss 10, on cover interface flange 11 and cover interface flange 12 down, last cover 1, to cover 2 down be with 2～5mm steel plate, preferably 2～3mm steel plate has so just guaranteed that through the continuous integral structure that repeatedly cold drawing or hot-stretch are shaped the oily position of Sheng of gear case does not have weld seam.As shown in Figure 7, on cover interface flange 11 and cover interface flange 12 is all or part of overlapping down, and go up cover interface flange 11 and be arranged on down the outside of covering interface flange 12, thereby play the effect of enhanced leaktightness.Last cover interface flange 11 is provided with sealing band 5 in cooresponding position up and down with the inboard of covering interface flange 12 down, sealing band 5 can be one deck, also can adopt more than 2 layers or 2 layers, it is spacing with the seam 4 of the inboard of covering interface flange 12 down that sealing bar 5 is set at cover interface flange 11.The mode of welding in the corresponding position again after seam 4 also can adopt and complete separately forms.Last cover 1, cover 2 peripheral plane down and be provided with the reinforced rib 6 and the reinforced rib 7 that go out by cold presswork repeatedly, reinforced rib 6 and reinforced rib 7 is the recessed or protruding groove that is staggered mesh cloth and puts and protruding stupefied, and this just makes that the bulk strength of casing and rigidity are strengthened.And by cold pressing, technologies such as punching, stamping-out, flange, pressure shape, at last cover 1 and forming technology requires on the region of interest of cover 2 down various local shapes, as: oil ga(u)ge seat welding boss 9, on cover interface flange 11, cover interface flange 12, seam 4 etc. down.So just provide rational welding plane on casing, or provide accurate localization for its assembling for other parts weld.Hanging welding boss 8 can be the part plan of indent, also can be evagination.Coupling nut welding boss 10 also adopts repeatedly cold-press moulding of sheet material, with further expendable weight.Like this, again with the region of interest of other parts such as coupling nut welding boss 10, connector 3 etc. with last cover 1, cover 2 region of interest down and weld, the mode of welding can adopt gas shield welding.As shown in Figure 6, at the position that needs local reinforcement such as the periphery of coupling nut's boss 10 can weld repeatedly the reinforcing ribs 13 of cold-press moulding, the reinforcement gusset that replaces existing installing locomotive gear cases coupling nut boss, the shape of reinforcing ribs 13 is by the size decision of supported 14 residing position, for circular or special-shaped bowl-shape.This reinforcing ribs 13 is the continuous integral structures that adopt cold-press moulding, so have intensity height, good rigidity, lightweight characteristics, has further alleviated the overall weight of gear case, and then has reduced the inertial impact force that gear case bears.
Claims (12)
1, a kind of method of maker parallel operation gear boxes comprises following processing step:
(1) will pass through at least cold drawing or hot-stretch through 2～5mm sheet material of blanking, the box outline of cover (1), following cover (2) in the formation;
(2), on the gear case body surface, form reinforced rib (6), (7), suspension welding boss (8) again through at least once colding pressing;
(3) again through at least once cold pressing, punching, form oil ga(u)ge seat welding boss (9);
(4), cover interface flange (11) in the formation, cover interface flange (12) and seam (4) down again through one-off hole-piercing, flange, pressure shape at least;
(5) will go up cover (1), down the casing of cover (2) carries out the gas shield welding with reinforcing ribs (13) and coupling nut welding boss (10), connector (3), supported (14) through at least cold-press moulding, covers (1), the following blank that covers (2) formations in;
(6) through line, metalworking, cover (1), following cover (2) finished product in the formation;
(7) assembling forms the installing locomotive gear cases finished product.
2, the method for maker parallel operation gear boxes as claimed in claim 1 is characterized in that: the described box outline of going up cover (1), following cover (2) is shaped and stretches through three times at least.
3, the method for maker parallel operation gear boxes as claimed in claim 2 is characterized in that: the described box outline of going up cover (1), covering (2) down carries out tempering and surface acid-washing after stretching through three times, be stretched to shaping again.
4, as the method for claim 1,2 or 3 described maker parallel operation gear boxes, it is characterized in that: the described sheet material that is used to stretch is 2～3mm.
5, a kind of installing locomotive gear cases of making by the described manufacture method of claim 1, comprise cover (1), following cover (2), connector (3), hang welding boss (8), oil ga(u)ge seat welding boss (9), reinforcing ribs (13), coupling nut welding boss (10), last cover interface flange (11) and following cover interface flange (12), coupling nut welds boss (10) and covers (2) welding down, it is characterized in that: above-mentioned upward cover (1) is or/and cover (2) and suspension welding boss (8) down, interface flange (11), (12) be by stretching, stamping forming continuous integral structure.
6, installing locomotive gear cases as claimed in claim 5 is characterized in that: describedly go up cover interface flange (11) and cover interface flange (12) is all or part of overlapping down, on cover interface flange (11) and be arranged on down the outside of covering interface flange (12).
7, installing locomotive gear cases as claimed in claim 6 is characterized in that: the described cover interface flange (11) of going up is provided with one deck sealing band (5) at least in cooresponding position up and down with the inboard of covering interface flange (12) down.
8, installing locomotive gear cases as claimed in claim 7 is characterized in that: described inboard of going up cover interface flange (11) and/or following cover interface flange (12) also is provided with the seam (4) that sealing band (5) is installed.
9, installing locomotive gear cases as claimed in claim 5 is characterized in that: described going up covered (1) or/and the peripheral plane of following cover (2) is provided with reinforced rib (6), (7).
10, installing locomotive gear cases as claimed in claim 9 is characterized in that: described reinforced rib (6,7) is describedly to go up cover (1) or/and be recessed or protruding groove that staggered mesh cloth puts down on the peripheral plane of cover (2) and protruding stupefied.
11, installing locomotive gear cases as claimed in claim 5 is characterized in that: described reinforcing ribs (13) is circular or special-shaped bowl-shape integral structure.
12, as described any one installing locomotive gear cases of claim 5 to 11, it is characterized in that: described suspension welding boss (8) is the part plan of convex or concave.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02134081 CN1224546C (en) | 2002-11-15 | 2002-11-15 | Locomotive gear wheel box and its production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02134081 CN1224546C (en) | 2002-11-15 | 2002-11-15 | Locomotive gear wheel box and its production method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1410304A CN1410304A (en) | 2003-04-16 |
| CN1224546C true CN1224546C (en) | 2005-10-26 |
Family
ID=4747545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02134081 Expired - Fee Related CN1224546C (en) | 2002-11-15 | 2002-11-15 | Locomotive gear wheel box and its production method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1224546C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101722420B (en) * | 2009-11-03 | 2011-04-06 | 南车戚墅堰机车车辆工艺研究所有限公司 | Manufacturing method of split-type gear case body |
| WO2012055241A1 (en) * | 2010-10-29 | 2012-05-03 | 长春轨道客车股份有限公司 | Method of processing gear reduction box |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102398143A (en) * | 2011-10-24 | 2012-04-04 | 黄乃亨 | Manufacturing method of a gear box body |
| CN102544960A (en) * | 2012-02-21 | 2012-07-04 | 瑞安市博宇电器有限公司 | Special commutator for car starting motor |
| CN103363073A (en) * | 2012-03-30 | 2013-10-23 | 高邮市平安开沟机制造有限公司 | Oil seal cover of gear case of ditcher |
| CN103501068B (en) * | 2013-09-22 | 2016-02-24 | 陕西航空电气有限责任公司 | A kind of evaporation circulating cooling medium frequency induction motor |
-
2002
- 2002-11-15 CN CN 02134081 patent/CN1224546C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101722420B (en) * | 2009-11-03 | 2011-04-06 | 南车戚墅堰机车车辆工艺研究所有限公司 | Manufacturing method of split-type gear case body |
| WO2012055241A1 (en) * | 2010-10-29 | 2012-05-03 | 长春轨道客车股份有限公司 | Method of processing gear reduction box |
| US9302355B2 (en) | 2010-10-29 | 2016-04-05 | Changchun Railway Vehicles Co., Ltd. | Method of processing gear reduction box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1410304A (en) | 2003-04-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101633240B (en) | Forming method of blow molding hollow box body capable of internally provided with assembly and preformed molding plate device | |
| CN1224546C (en) | Locomotive gear wheel box and its production method | |
| CN102886465A (en) | Overall composite mechanical spiral type bulging device for car drive axle | |
| CN102574553A (en) | Vehicle floor tub having a sound damping patch | |
| CN200995589Y (en) | Steering motor bridge with light-steel structure | |
| CN105121804A (en) | Muffler and its corresponding manufacturing method | |
| CN102886464B (en) | Overall composite mechanical push rod type or inner high-pressure bulging device for car drive axle | |
| CN1282570C (en) | Monufacturing method of locomotive gear box and its locomotive gear box | |
| CN201530424U (en) | Access door structure | |
| CN207535992U (en) | For the front wall lower plate component of vehicle and with its vehicle | |
| CN206384034U (en) | A kind of aluminium section bar A posts | |
| CN2616442Y (en) | Gear box for locomotive | |
| CN1025486C (en) | New-type GRP automobile body structure and its processing | |
| CN202831049U (en) | Excavator cab and excavator | |
| CN201078554Y (en) | Machine is shell for spare part | |
| CN207311314U (en) | A kind of heavy truck enging cabin cover board | |
| CN108177696A (en) | A kind of A column joints structure | |
| CN202180906U (en) | Novel ship control cabin subsections | |
| CN2918280Y (en) | Refrigerated container with crash proof plate | |
| CN210592149U (en) | Lightweight high-performance aluminum alloy plate for automobile | |
| CN201228033Y (en) | Automobile aluminium alloy cargo box | |
| CN213322647U (en) | Battery case and car | |
| CN219406114U (en) | Automobile back door skeleton structure | |
| CN102886460A (en) | Overall composite mechanical push rod type bulging process for car drive axle | |
| CN2541934Y (en) | Novel transformer tank |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: LIU JIXIANG Free format text: FORMER OWNER: TIEHUA ELECTRONIC SCIENCE AND TECHNOLOGY CO. LTD. CHENGDU Effective date: 20050204 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20050204 Address after: 610051 Sichuan city of Chengdu Province under the bridge Jian Cao Erxian 98 floor 1 No. 8 Applicant after: Liu Jixiang Address before: 610051 Sichuan city of Chengdu Province, North Bridge Road No. 31 of No. 5 Applicant before: Chengdu Tiehua Electronic Science and Technology Industry Co. Ltd. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| RR01 | Reinstatement of patent right |
Former decision: cessation of patent right due to non-payment of the annual fee Former decision publication date: 20100113 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20051026 Termination date: 20121115 |