CN202737620U - Generator support capable of avoiding breaking - Google Patents
Generator support capable of avoiding breaking Download PDFInfo
- Publication number
- CN202737620U CN202737620U CN 201220312160 CN201220312160U CN202737620U CN 202737620 U CN202737620 U CN 202737620U CN 201220312160 CN201220312160 CN 201220312160 CN 201220312160 U CN201220312160 U CN 201220312160U CN 202737620 U CN202737620 U CN 202737620U
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- China
- Prior art keywords
- side block
- support
- wide
- block width
- outer side
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- 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
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model provides a generator support capable of avoiding breaking, so as to solve the problem that the generator support is likely to break due to design defects. The generator support capable of avoiding breaking comprises a bolt mounting seat, an inner side block width and an outer side block width, wherein the inner side block width and the outer side block width are arranged side by side; the outer side block width is connected with the bolt mounting seat via a cantilever of the support; a reinforcing rib is arranged between the inner side block width and the bolt mounting seat; and the inner side block width and the outer side block width are connected by a block width connecting board. After the improvement, the wall thickness of the cantilever of the support is added from front to back, and the wall thickness at the rear part of the cantilever of the support is matched with the wall thickness of the outer side block width. By making an improvement on the structure size of the cantilever of the support, a feeding channel is added when the generator support is cast, the breaking hidden danger caused by slag blowholes generated by unsmooth flowing of molten steel can be eliminated; by increasing the radius of the transition rounded corner at the root part of the reinforcing rib and increasing the radius of the transition rounded corner at the place between the support block widths and the block width connection place, the stress concentration point is eliminated, the maximal stress of parts can be ensured to be less than the yield strength of the material, and the generator support can be prevented from breaking due to concentrated pressure.
Description
Technical field
The utility model relates to a kind of automobile current generator parts, particularly can avoid the generator support that ruptures.
Background technology
Automobile current generator is the main power source of automobile, and its function is when normal working of engine, to all power consumption equipment power supplies, simultaneously to charge in batteries.Generator is fixed by generator support, generator support is in fixed generator, need guarantee that generator belt wheel and the belt wheel that is in transmission connection with it are coplanar, meet the train arrangement requirement, to meet designing requirement in operation process medium-height trestle intensity, avoid the support cracking to make whole train because the excessive dynamo belt that causes of swing is deviate from, vehicle safety hidden danger occurs.Generator support is cast member, its Cracks is except outside the Pass having with the bad vibration that produces with the car operation, also have because of structural design improper, cause casting flaw and pressure concentration problem, inconsistent such as the wall thickness that: the support cantilever of generator support and gear are wide, diminish in casting cycle medium-height trestle cantilever cross section, make the poor and then generation cinder hole of fluidity molten steel, directly affect generator support intensity; The generator support reinforcement is the important structure that increases generator support intensity, but the knuckle of reinforcement root is too small, and the tension force that belt produces in the generator operation process can not in time unload, at the stress concentrated position with the support drawing crack.
The utility model content
The utility model is used for overcoming the defective of above-mentioned prior art, and provide a kind of and eliminate cinder hole by the partial structurtes casting MOLTEN STEEL FLOW state that improves, and the generator support that ruptures by avoiding of increasing that knuckle reduces that stress concentrates.
The alleged problem of the utility model solves by the following technical programs:
A kind of generator support of rupturing avoided, it comprises that bolt mount pad and wide, the outer side block of the interior side block that is arranged side by side are wide, wherein outer side block is wide is connected with the bolt mount pad through the support cantilever, be provided with reinforcement between the wide and bolt mount pad of interior side block, inside and outside side block is wide to be connected by the wide connecting plate of gear, its special feature is: the wall thickness of described support cantilever increases from front to back, and the wall thickness wide in its wall thickness of support cantilever rear portion and outer side block is complementary.
The above-mentioned generator support that ruptures avoided, described reinforcement and the wide junction of interior side block are provided with the reinforcement knuckle, and the radius of reinforcement knuckle is 12 millimeters.
The above-mentioned generator support that ruptures avoided, wide, the outer side block of described interior side block is wide to be provided with the wide knuckle of gear with the wide connecting plate connecting portion of gear, and the radius that keeps off wide knuckle is 6 millimeters.
The utility model improves for the problem that causes generator support easily to produce fracture because of the structural design defective, its improvement characteristics are embodied in following aspect: 1. the physical dimension of improving the support cantilever, when increasing wall thickness, make the thickness matching of support cantilever rear portion and the wide contact site of outer side block.This structure makes generator support when cast increase Feeding channel, eliminates that the invar current are logical freely not to be produced the cinder hole phenomenon and cause fracture hidden danger; 2. the radius with reinforcement root knuckle increases, and with the centrostigma that eliminates stress, prevents the support fracture; 3. increase the wide radius with keeping off wide connecting plate place of support gear, the erection stress at this place when reducing to assemble cylinder cap.Show that through cae analysis the improvement of above-mentioned two place's knuckles can be eliminated the stress concentration point of generator support, guarantees the maximum stress of part less than the yield strength of material, avoid causing the generator support fracture because of pressure concentration.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is that the A of Fig. 1 is to view;
Fig. 3 is the B-B sectional drawing of Fig. 2.
Attached number in the figure is as follows: 1. bolt mount pad, and 2. interior side block is wide, the 3. wide connecting plate of gear, 4. outer side block is wide, 5. support cantilever, 6. reinforcement, 7. reinforcement knuckle, the 8. wide knuckle of gear.
Embodiment
Generator support described in the utility model is steel-casting, and for avoiding fracture, the utility model has carried out three place's architecture advances, below in conjunction with accompanying drawing the utility model is described in detail:
Referring to Fig. 1, Fig. 2, the utility model consist of comprise the bolt mount pad 1 that is positioned at the bottom, to be positioned at wide by 2, the outer side block of side block that top is arranged side by side wide by 4, wherein outer side block is wide is connected with the bolt mount pad through support cantilever 5, be provided with reinforcement 6 between the wide and bolt mount pad of interior side block, inside and outside side block is wide to be connected by the wide connecting plate 3 of gear.Generator support is in casting cycle, molten steel is runner from top to bottom, and unobstructed for making MOLTEN STEEL FLOW, the wall thickness of described support cantilever increases from front to back, be complementary at its wall thickness of support cantilever rear portion and wide 4 wall thickness of outer side block, the cross sectional shape of support cantilever 5 as shown in Figure 3.Above-mentioned improvement has been avoided freely not producing the cinder hole phenomenon because partial cross section reduces to cause MOLTEN STEEL FLOW, and then has avoided the cinder hole position to become the source of cracking.
Still referring to Fig. 1, Fig. 2, described reinforcement 6 is provided with reinforcement knuckle 7 with wide 2 junctions of interior side block, herein knuckle is too small before the improvement, radius only 5 be the millimeter, the stress concentration phenomenon is serious, the tension force that belt produces in the generator operation process can not in time unload, and stress concentration point is easily with the generator support drawing crack.The radius of reinforcement knuckle 7 increases to 12 millimeters after improving, and makes its transition rounder and more smooth, and stress distribution is tending towards evenly, peak reduction.
Referring to Fig. 1, wide by 2, the outer side block wide 4 of described interior side block is provided with the wide knuckle 8 of gear with wide connecting plate 3 connecting portions of gear, and the radius that keeps off wide knuckle is 6 millimeters.Wide by 2, the outer side block wide 4 of interior side block is connected structure with the wide connecting plate 3 of gear, has erection stress in the assembling cylinder cap, and the wide knuckle of gear is set, and can reduce connecting portion stress and concentrate, and eliminates cracking hidden danger.
Through cae analysis, after improving the reinforcement knuckle and keeping off wide knuckle, the pressure concentration phenomenon at these positions is eliminated, and guarantees that the maximum stress of part is less than the yield strength of material.
Claims (3)
1. can avoid the generator support that ruptures for one kind, it comprises bolt mount pad (1) and the interior side block that is arranged side by side wide (2), outer side block wide (4), wherein outer side block is wide is connected with the bolt mount pad through support cantilever (5), be provided with reinforcement (6) between the wide and bolt mount pad of interior side block, inside and outside side block is wide to be connected by the wide connecting plate of gear (3), it is characterized in that: the wall thickness of described support cantilever (5) increases from front to back, is complementary at the wall thickness of its wall thickness of support cantilever rear portion and outer side block wide (4).
2. the described generator support that ruptures avoided according to claim 1, it is characterized in that: described reinforcement (6) is provided with reinforcement knuckle (7) with interior side block wide (2) junction, and the radius of reinforcement knuckle is 12 millimeters.
3. the described generator support that ruptures avoided according to claim 2, it is characterized in that: described interior side block wide (2), outer side block wide (4) are provided with gear wide knuckle (8) with gear wide connecting plate (3) connecting portion, and the radius that keeps off wide knuckle is 6 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220312160 CN202737620U (en) | 2012-06-30 | 2012-06-30 | Generator support capable of avoiding breaking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220312160 CN202737620U (en) | 2012-06-30 | 2012-06-30 | Generator support capable of avoiding breaking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202737620U true CN202737620U (en) | 2013-02-13 |
Family
ID=47663279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220312160 Expired - Fee Related CN202737620U (en) | 2012-06-30 | 2012-06-30 | Generator support capable of avoiding breaking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202737620U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115027524A (en) * | 2022-05-14 | 2022-09-09 | 中车眉山车辆有限公司 | Lightweight draw beam assembly for heavy-duty truck |
-
2012
- 2012-06-30 CN CN 201220312160 patent/CN202737620U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115027524A (en) * | 2022-05-14 | 2022-09-09 | 中车眉山车辆有限公司 | Lightweight draw beam assembly for heavy-duty truck |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20200630 |