CN202927011U - Device for enhancing rigidity of large parallel axis type gearbox body - Google Patents
Device for enhancing rigidity of large parallel axis type gearbox body Download PDFInfo
- Publication number
- CN202927011U CN202927011U CN 201220667424 CN201220667424U CN202927011U CN 202927011 U CN202927011 U CN 202927011U CN 201220667424 CN201220667424 CN 201220667424 CN 201220667424 U CN201220667424 U CN 201220667424U CN 202927011 U CN202927011 U CN 202927011U
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- CN
- China
- Prior art keywords
- end cap
- connecting rod
- supports
- rigidity
- gear shaft
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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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a device for enhancing rigidity of a large parallel axis type gearbox body. A first bearing seat (2) and a second bearing seat (3) are both arranged on the box body, a gear shaft (1) is in a hollow structure, a connecting rod (4) is arranged in a central through hole of the gear shaft (1) in a penetrating mode, one end of the connecting rod (4) is fixed with a first support end cover (5), the first support end cover (5) is arranged on an outer wall of the first bearing seat (2), 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 an outer wall of the second bearing seat (3). The device disclosed by the utility model can effectively solve the problems of poor effect, poor economical efficiency, space limitation and the like of the conventional way, has the technical characteristics of simple, novel and ingenious structure, high reliability, wide applicability and the like, and provides a groundbreaking technical support for the successful development of a large low speed and heavy duty multistage transmission parallel axis gearbox (such as a Goupitan ship lift gearbox) with a compact structure.
Description
Technical field
The utility model belongs to the gear-box technical field, specifically, and particularly a kind of device that strengthens 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 casing had a direct impact life-span of the accuracy of mesh of gear and intensity, bearing etc., 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 gusset is set, increases thickness of slab etc., it is limited that these modes not only strengthen the effect of gear housing rigidity, key is also greatly to have increased box weight when increasing gear housing rigidity, reduced the economic benefit of gear-box, and its applicability is very limited also when the gear box structure limited space.
The model utility content
Technical problem to be solved in the utility model is to provide a kind of device that strengthens large-scale parallel-axis type gear case body rigidity, when increasing gear housing rigidity, can not increase box weight and take cabinet space.
the technical solution of the utility model is as follows: a kind of device that strengthens large-scale parallel-axis type gear case body rigidity, be provided with gear shaft (1) in casing, one end of this gear shaft (1) supports mutually by bearing and clutch shaft bearing seat (2), the other end of gear shaft (1) supports mutually by bearing and the second bearing support (3), clutch shaft bearing seat (2) and the second bearing support (3) all are arranged on casing, it is characterized in that: described gear shaft (1) is hollow structure, be equipped with connecting rod (4) in the central through bore of gear shaft (1), one end of this connecting rod (4) and the first supports end cap (5) fix, the first supports end cap (5) is arranged on the outer wall of clutch shaft bearing seat (2), the other end of connecting rod (4) and the second supports end cap (6) fix, the second supports end cap (6) is arranged on the outer wall of the second bearing support (3).
The connecting rod of the utility model by passing hollow gear shaft connects together the bearing support on casing both sides, when casing bears large axial force, the stress deformation of the bearing support of strength tends to very large, because bearing support and the stressed bearing support of another side is 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 widely the distortion of stressed bearing support, thereby has greatly increased 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 on the other hand Sealing, with the sealing of the bearing hole on bearing support, in case leak-stopping is oily.
The utility model is except changing gear shaft hollow-core construction into, substantially do not change all the other structures of gear-box, simple in structure, reliable, transformation easily, when increasing 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, can several such devices be set according to the casing stressing conditions, to reach effective control of gear case body rigidity more.
The shaft axis of the shaft axis of described connecting rod (4) and gear shaft (1) has the gap of 5-10mm point-blank between the center hole wall of connecting rod (4) and gear shaft (1).Above structure can be taken into account the structural strength of connecting rod and gear shaft on the one hand; On the other hand, the connecting rod assembling is convenient, and connecting rod can not cause any adverse effect to freely rotating of gear shaft.
For 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 the first supports end cap (5) and the second supports end cap (6) all fix with corresponding bearing support by many bolts, all be formed with round boss on the interior edge face of the first supports end cap (5) and the second supports end cap (6), this boss embeds in corresponding bearing support.Above structure is conducive to supports end cap the location is installed, and when improving efficiency of assembling, can guarantee to be connected firmly between supports end cap and bearing support, reliably.
Outer mask at described round nut (7) is provided with seal closure (8), sealing cover (8) the one end sealing the other ends are uncovered, the open-mouth end of described seal closure (8) fits 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 can effectively prevent from the outside leakage of oil in the joint of connecting rod and supports end cap.
In order further to strengthen sealing, be provided with the O RunddichtringO between described seal closure (8) and corresponding supports end cap (5 or 6).
Beneficial effect: the utility model can effectively solve the traditional approach weak effect, less economical, be subjected to the problems such as spatial constraints, have the technical characterstics such as simple in structure, that novelty is ingenious, reliability is high, applicability is wide, be the technical support that provides breakthrough of succeeding in developing of the large-sized low-speed of some compact structures heavy duty Multi-stage transmission parallel-shaft gearbox (as Goupitan ship lift gear-box).
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples:
As shown in Figure 1, the casing of gear-box is prior art, and therefore not to repeat here for its structure.Be formed with clutch shaft bearing seat 2 and the second bearing support 3 on the casing of gear-box, all have bearing hole on these two bearing supports, be embedded with bearing in each bearing hole.Be provided with gear shaft 1 in casing, an end of this gear shaft 1 supports mutually by bearing and clutch shaft bearing seat 2, and the other end of gear shaft 1 supports mutually by bearing and the second bearing support 3.Described gear shaft 1 is hollow structure, is equipped with connecting rod 4 in the central through bore of gear shaft 1, and the shaft axis of the shaft axis of this connecting rod 4 and gear shaft 1 has 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, all stretch out outside the bearing support of gear shaft 1 and correspondence at the two ends of connecting rod 4, and connecting rod 4 left end as shown passes from the center of the first supports end cap 5, by round nut 7 lockings.The first supports end cap 5 is close on the outer wall of clutch shaft bearing seat 2, and the first supports end cap 5 fixes by many equally distributed bolts and clutch shaft bearing seat 2.Right side in the first supports end cap 5 is formed with round boss, and this round boss embeds in the bearing hole of clutch shaft bearing seat 2.Connecting rod 4 right-hand member as shown passes from the center of the second supports end cap 6, by another round nut 7 lockings.The second supports end cap 6 is close on the outer wall of the second bearing support 3, and the second supports end cap 6 fixes by many equally distributed bolts and the second bearing support 3.Left side in the secondth supports end cap 6 is formed with round boss, and this round boss embeds in the bearing hole of the second bearing support 3.
As shown in Figure 1, all be covered with seal closure 8 in the outside of the right and left round nut 7, the sealing cover 8 one end sealing the other ends are uncovered.The open-mouth end of seal closure 8 fits with corresponding supports end cap 5 or 6 by integrally formed flange, and is fastening by stove bolt, and adds the O RunddichtringO between described seal closure 8 and corresponding supports end cap 5 or 6.
Working principle of the present utility model 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 tends to 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 widely the distortion of clutch shaft bearing seat 2, thereby has greatly increased the integral rigidity of casing.Second bearing support 3 on the right is that the strength bearing support is same as described above, does not do at this and gives unnecessary details.
Claims (6)
1. device that strengthens large-scale parallel-axis type gear case body rigidity, be provided with gear shaft (1) in casing, one end of this gear shaft (1) supports mutually by bearing and clutch shaft bearing seat (2), the other end of gear shaft (1) supports mutually by bearing and the second bearing support (3), clutch shaft bearing seat (2) and the second bearing support (3) all are arranged on casing, it is characterized in that: described gear shaft (1) is hollow structure, be equipped with connecting rod (4) in the central through bore of gear shaft (1), one end of this connecting rod (4) and the first supports end cap (5) fix, the first supports end cap (5) is arranged on the outer wall of clutch shaft bearing seat (2), the other end of connecting rod (4) and the second supports end cap (6) fix, the second supports end cap (6) is arranged on the outer wall of the second bearing support (3).
2. the device of the large-scale parallel-axis type gear case body of enhancing according to claim 1 rigidity, it is characterized in that: the shaft axis of the shaft axis of described connecting rod (4) and gear shaft (1) has the gap of 5-10mm point-blank between the center hole wall of connecting rod (4) and gear shaft (1).
3. the device of the large-scale parallel-axis type gear case body of enhancing according to claim 1 and 2 rigidity, it is characterized in that: the end of described connecting rod (4) is passed from the supports end cap (5,6) of correspondence, and by round nut (7) locking.
4. the device of the large-scale parallel-axis type gear case body of enhancing according to claim 3 rigidity, it is characterized in that: described the first supports end cap (5) and the second supports end cap (6) all fix with corresponding bearing support by many bolts, all be formed with round boss on the interior edge face of the first supports end cap (5) and the second supports end cap (6), this boss embeds in corresponding bearing support.
5. the device of the large-scale parallel-axis type gear case body of enhancing according to claim 4 rigidity, it is characterized in that: the outer mask at described round nut (7) is provided with seal closure (8), sealing cover (8) the one end sealing the other ends are uncovered, the open-mouth end of described seal closure (8) fits with corresponding supports end cap (5,6) by flange, and fastening by stove bolt.
6. the device of the large-scale parallel-axis type gear case body of enhancing according to claim 5 rigidity is characterized in that: be provided with the O RunddichtringO between described seal closure (8) and corresponding supports end cap (5,6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220667424 CN202927011U (en) | 2012-12-07 | 2012-12-07 | Device for enhancing rigidity of large parallel axis type gearbox body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220667424 CN202927011U (en) | 2012-12-07 | 2012-12-07 | Device for enhancing rigidity of large parallel axis type gearbox body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202927011U true CN202927011U (en) | 2013-05-08 |
Family
ID=48216973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220667424 Withdrawn - After Issue CN202927011U (en) | 2012-12-07 | 2012-12-07 | Device for enhancing rigidity of large parallel axis type gearbox body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202927011U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996768A (en) * | 2012-12-07 | 2013-03-27 | 重庆齿轮箱有限责任公司 | Device for enhancing rigidity of large-sized parallel shaft type gearing box body |
-
2012
- 2012-12-07 CN CN 201220667424 patent/CN202927011U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102996768A (en) * | 2012-12-07 | 2013-03-27 | 重庆齿轮箱有限责任公司 | Device for enhancing rigidity of large-sized parallel shaft type gearing box body |
| CN102996768B (en) * | 2012-12-07 | 2015-04-08 | 重庆齿轮箱有限责任公司 | Device for enhancing rigidity of large-sized parallel shaft type gearing box body |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130508 Effective date of abandoning: 20150408 |
|
| RGAV | Abandon patent right to avoid regrant |