CN102996768B - Device for enhancing rigidity of large-sized parallel shaft type gearing box body - Google Patents
Device for enhancing rigidity of large-sized parallel shaft type gearing box body Download PDFInfo
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- CN102996768B CN102996768B CN201210519853.7A CN201210519853A CN102996768B CN 102996768 B CN102996768 B CN 102996768B CN 201210519853 A CN201210519853 A CN 201210519853A CN 102996768 B CN102996768 B CN 102996768B
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- gear shaft
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Abstract
The invention discloses a device for enhancing rigidity of a large-sized parallel shaft type gearing box body. The device is characterized in that a first bearing base (2) and a second bearing base (3) are arranged on the box body, a gear shaft (1) is of a hollow structure, and a centre through hole of the gear shaft (1) is internally provided with a connecting rod (4) in a penetrating manner; one end of the connecting rod (4) is fixed with a first support end cover (5), and the first support end cover (5) is arranged on the outer wall of the first bearing base (2); and the other end of the connecting rod (4) is fixed with a second support end cover (6), and the second support end cover (6) is arranged on the outer wall of the second bearing base (3). The device disclosed by the invention can effectively solve the problems that the traditional manner is poor in effect and economy and is limited by the space and the like, and has the technical characteristics of simple structure, novelty and ingenuity, high reliability, wide applicability and the like; and the device provides breakthrough technology guarantee for successful development of large-sized low-speed heavy-duty multilevel transmission parallel shaft gear boxes (such as leather beach ship lift gear box) with compact structures.
Description
Technical field
The invention belongs to gear-box technical field, specifically, particularly a kind of device strengthening large-scale parallel-axis type gear case body rigidity.
Background technique
Gear case body is the critical component of whole gear-box, its topmost effect is exactly the running of the transmission paries such as each gear of support teeth roller box, axle, the rigidity of the casing life-span etc. to the accuracy of mesh of gear and intensity, bearing has a direct impact, can say, the rigidity quality of gear case body directly affects the complete machine working life of gear-box.
The method of traditional increase gear housing rigidity mainly contains and arranges gusset, increases thickness of slab etc., these modes not only strengthen the limited efficiency of gear housing rigidity, key is also to considerably increase box weight while increase gear housing rigidity, reduce the economic benefit of gear-box, and its applicability is also very limited when gear box structure limited space.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of device strengthening large-scale parallel-axis type gear case body rigidity, while increase gear housing rigidity, can not increase box weight and take cabinet space.
Technological scheme of the present invention is as follows: a kind of device strengthening large-scale parallel-axis type gear case body rigidity, gear shaft (1) is provided with in casing, one end of this gear shaft (1) is supported mutually by bearing and clutch shaft bearing seat (2), the other end of gear shaft (1) is supported mutually by bearing and the second bearing support (3), clutch shaft bearing seat (2) and the second bearing support (3) are all arranged on casing, it is characterized in that: described gear shaft (1) is hollow structure, connecting rod (4) is equipped with in the central through bore of gear shaft (1), one end and first supports end cap (5) of this connecting rod (4) fix, first supports end cap (5) is arranged on the outer wall of clutch shaft bearing seat (2), the other end and second supports end cap (6) of connecting rod (4) fix, second supports end cap (6) is arranged on the outer wall of the second bearing support (3).
The bearing support on casing both sides is connected together by the connecting rod through hollow gear shaft by the present invention, when casing bears large axial force, the stress deformation of the bearing support of strength is often very large, because the bearing support of another side and stressed bearing support are connected as a single entity, although it can follow stressed bearing support to produce small distortion, but it also can rely on the rigidity of self to retrain the distortion of stressed bearing support widely, thus considerably increases the integral rigidity of casing.The supports end cap at connecting rod two ends plays connecting body on the one hand, and the bearing support of connecting rod and corresponding end is fixed together, and plays Sealing on the other hand, by the bearing hole sealing on bearing support, in case leak-stopping is oily.
The present invention, except changing into except hollow-core construction by gear shaft, does not change all the other structures of gear-box substantially, and structure is simple, reliable, transformation easily, while increase gear housing rigidity, can not increase box weight and take cabinet space, its Economy and applicability are that traditional mode is beyond one's reach.In the large-scale parallel-axis type gear-box of Multi-stage transmission, several such device can be set according to casing stressing conditions, to reach effective control of gear case body rigidity more.
The shaft axis of described connecting rod (4) and the shaft axis of gear shaft (1), have the gap of 5-10mm point-blank between the center hole wall of connecting rod (4) and gear shaft (1).Above structure can take into account the structural strength of connecting rod and gear shaft on the one hand; On the other hand, connecting rod assembling is convenient, and connecting rod can not cause any adverse effect to freely rotating of gear shaft.
In order to simplified structure, convenient for assembly, and it is firm to guarantee that connecting rod is connected with supports end cap, the end of described connecting rod (4) is passed from the supports end cap (5 or 6) of correspondence, and by round nut (7) locking.
Described first supports end cap (5) and the second supports end cap (6) are all fixed with corresponding bearing support by many bolts, the interior edge face of the first supports end cap (5) and the second supports end cap (6) is all formed with round boss, and this boss embeds in corresponding bearing support.Above structure is conducive to supports end cap and installs location, while raising efficiency of assembling, can guarantee to be connected firmly between supports end cap and bearing support, reliably.
Seal closure (8) is provided with at the outer mask of described round nut (7), it is uncovered that the other end is closed in sealing cover (8) one end, the open-mouth end of described seal closure (8) is fitted with corresponding supports end cap (5 or 6) by flange, and fastening by stove bolt.It is firm that seal closure is installed, and easy accessibility, effectively can prevent the outside leakage of oil in joint from connecting rod and supports end cap.
In order to strengthen sealing further, between described seal closure (8) with corresponding supports end cap (5 or 6), be provided with O RunddichtringO.
Beneficial effect: the present invention can effectively solve traditional approach weak effect, less economical, by problems such as spatial constraints, there is the technical characterstics such as structure is simple, novelty is ingenious, reliability is high, applicability is wide, for the succeeding in developing of large-sized low-speed heavy duty Multi-stage transmission parallel-shaft gearbox (as Goupitan ship lift gear-box) of some compact structures provides breakthrough technical support.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
As shown in Figure 1, the casing of gear-box is prior art, and therefore not to repeat here for its structure.The casing of gear-box is formed with clutch shaft bearing seat 2 and the second bearing support 3, these two bearing supports all has bearing hole, in each bearing hole, is embedded with bearing.In casing, be provided with gear shaft 1, one end of this gear shaft 1 is supported by bearing and clutch shaft bearing seat 2 phase, and the other end of gear shaft 1 is supported by bearing and the second bearing support 3 phase.Described gear shaft 1 is hollow structure, in the central through bore of gear shaft 1, be equipped with connecting rod 4, and the shaft axis of this connecting rod 4 and the shaft axis of gear shaft 1, have the gap of 5-10mm point-blank between the center hole wall of connecting rod 4 and gear shaft 1.
As shown in Figure 1, the two ends of connecting rod 4 are all stretched out outside the bearing support of gear shaft 1 and correspondence, and connecting rod 4 such as illustrated left end passes from the center of the first supports end cap 5, is locked by round nut 7.First supports end cap 5 is close on the outer wall of clutch shaft bearing seat 2, and the first supports end cap 5 is fixed by many equally distributed bolts and clutch shaft bearing seat 2.Be formed with round boss in the right side of the first supports end cap 5, this round boss embeds in the bearing hole of clutch shaft bearing seat 2.Connecting rod 4 such as illustrated right-hand member passes from the center of the second supports end cap 6, is locked by another round nut 7.Second supports end cap 6 is close on the outer wall of the second bearing support 3, and the second supports end cap 6 is fixed by many equally distributed bolts and the second bearing support 3.Be formed with round boss in the left side of the secondth supports end cap 6, this round boss embeds in the bearing hole of the second bearing support 3.
As shown in Figure 1, be all covered with seal closure 8 in the outside of the right and left round nut 7, it is uncovered that the other end is closed in sealing cover 8 one end.The open-mouth end of seal closure 8 is fitted with corresponding supports end cap 5 or 6 by the flange be integrally formed, fastening by stove bolt, and adds O RunddichtringO between described seal closure 8 and corresponding supports end cap 5 or 6.
Working principle of the present invention is as follows:
When casing bears large axial force, if the clutch shaft bearing seat on the left side 2 is the bearing support of strength, the stress deformation of this clutch shaft bearing seat 2 is often very large, because second bearing support 3 on the right is connected as a single entity with clutch shaft bearing seat 2, although the second bearing support 3 can follow clutch shaft bearing seat 2 to produce small distortion, but it also can rely on the rigidity of self to retrain the distortion of clutch shaft bearing seat 2 widely, thus considerably increases the integral rigidity of casing.Second bearing support 3 on the right is that strength bearing support is same as described above, does not repeat at this.
Claims (6)
1. one kind strengthens the device of large-scale parallel-axis type gear case body rigidity, gear shaft (1) is provided with in casing, one end of this gear shaft (1) is supported mutually by bearing and clutch shaft bearing seat (2), the other end of gear shaft (1) is supported mutually by bearing and the second bearing support (3), clutch shaft bearing seat (2) and the second bearing support (3) are all arranged on casing, it is characterized in that: described gear shaft (1) is hollow structure, connecting rod (4) is equipped with in the central through bore of gear shaft (1), one end and first supports end cap (5) of this connecting rod (4) fix, first supports end cap (5) is arranged on the outer wall of clutch shaft bearing seat (2), the other end and second supports end cap (6) of connecting rod (4) fix, second supports end cap (6) is arranged on the outer wall of the second bearing support (3).
2. the device of enhancing according to claim 1 large-scale parallel-axis type gear case body rigidity, it is characterized in that: the shaft axis of described connecting rod (4) and the shaft axis of gear shaft (1), have the gap of 5-10mm point-blank between the center hole wall of connecting rod (4) and gear shaft (1).
3. the device of enhancing according to claim 1 and 2 large-scale parallel-axis type gear case body rigidity, it is characterized in that: the end of described connecting rod (4) is passed from the supports end cap (5 or 6) of correspondence, and by round nut (7) locking.
4. the device of enhancing according to claim 3 large-scale parallel-axis type gear case body rigidity, it is characterized in that: described first supports end cap (5) and the second supports end cap (6) are all fixed with corresponding bearing support by many bolts, the interior edge face of the first supports end cap (5) and the second supports end cap (6) is all formed with round boss, and this boss embeds in corresponding bearing support.
5. the device of enhancing according to claim 4 large-scale parallel-axis type gear case body rigidity, it is characterized in that: be provided with seal closure (8) at the outer mask of described round nut (7), it is uncovered that the other end is closed in sealing cover (8) one end, the open-mouth end of described seal closure (8) is fitted with corresponding supports end cap (5 or 6) by flange, and fastening by stove bolt.
6. the device of enhancing according to claim 5 large-scale parallel-axis type gear case body rigidity, is characterized in that: between described seal closure (8) with corresponding supports end cap (5 or 6), be provided with O RunddichtringO.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210519853.7A CN102996768B (en) | 2012-12-07 | 2012-12-07 | Device for enhancing rigidity of large-sized parallel shaft type gearing box body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210519853.7A CN102996768B (en) | 2012-12-07 | 2012-12-07 | Device for enhancing rigidity of large-sized parallel shaft type gearing box body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102996768A CN102996768A (en) | 2013-03-27 |
| CN102996768B true CN102996768B (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210519853.7A Active CN102996768B (en) | 2012-12-07 | 2012-12-07 | Device for enhancing rigidity of large-sized parallel shaft type gearing box body |
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| Country | Link |
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| CN (1) | CN102996768B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2599326Y (en) * | 2003-01-16 | 2004-01-14 | 钱志义 | Gear box connector |
| CN102305276A (en) * | 2011-03-01 | 2012-01-04 | 吴小杰 | Shaft-mounted self-braking quasi-planetary speed reducer for mine hoist |
| CN102562954A (en) * | 2012-02-03 | 2012-07-11 | 江苏省金象传动设备股份有限公司 | Transmission gear of tube mill |
| CN202927011U (en) * | 2012-12-07 | 2013-05-08 | 重庆齿轮箱有限责任公司 | Device for enhancing rigidity of large parallel axis type gearbox body |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002248379A (en) * | 2001-02-23 | 2002-09-03 | Kubota Seisakusho:Kk | Centrifuge |
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2012
- 2012-12-07 CN CN201210519853.7A patent/CN102996768B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2599326Y (en) * | 2003-01-16 | 2004-01-14 | 钱志义 | Gear box connector |
| CN102305276A (en) * | 2011-03-01 | 2012-01-04 | 吴小杰 | Shaft-mounted self-braking quasi-planetary speed reducer for mine hoist |
| CN102562954A (en) * | 2012-02-03 | 2012-07-11 | 江苏省金象传动设备股份有限公司 | Transmission gear of tube mill |
| CN202927011U (en) * | 2012-12-07 | 2013-05-08 | 重庆齿轮箱有限责任公司 | Device for enhancing rigidity of large parallel axis type gearbox body |
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| Publication number | Publication date |
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| CN102996768A (en) | 2013-03-27 |
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