CN204140830U - A kind of lower box with sealing configuration - Google Patents

A kind of lower box with sealing configuration Download PDF

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Publication number
CN204140830U
CN204140830U CN201420453716.2U CN201420453716U CN204140830U CN 204140830 U CN204140830 U CN 204140830U CN 201420453716 U CN201420453716 U CN 201420453716U CN 204140830 U CN204140830 U CN 204140830U
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CN
China
Prior art keywords
oil sealing
casing
oilhole
oil
lower 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
Application number
CN201420453716.2U
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Chinese (zh)
Inventor
李秋生
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHONGQING BAOHAO MACHINERY CASTING CO., LTD.
Original Assignee
CHONGQING BAOSHENG MACHINERY CASTING Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
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Application filed by CHONGQING BAOSHENG MACHINERY CASTING Co Ltd filed Critical CHONGQING BAOSHENG MACHINERY CASTING Co Ltd
Priority to CN201420453716.2U priority Critical patent/CN204140830U/en
Application granted granted Critical
Publication of CN204140830U publication Critical patent/CN204140830U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model proposes a kind of lower box with sealing configuration, comprise: casing, described cabinets cavity is provided with small bearing bracket and large bearing support from left to right, and described cabinet exterior has the second oilhole and the 3rd oilhole, described casing left side is provided with left attachment hole and exterior seal ring; Be provided with the oil sealing base that structure is annular recess between described small bearing bracket and large bearing support, the anchor ring of described oil sealing base both sides is the conical surface and described oil sealing base is provided with bulge loop, and described oil sealing base is equipped with oil sealing; Be provided with the axle sleeve be fixed on casing on the right side of described large bearing support, be provided with inner seal ring between described axle sleeve and casing, the inwall of described axle sleeve is provided with oblique oil sealing, and the inner ring surface of described oblique oil sealing is the conical surface.The utility model is provided with three different sealing configurations according to different sealing position, effectively can reduce the generation of leakage of oil event, and box house is isolated into two-part by three seal arrangements, can effectively prevents leakage of oil event from expanding.

Description

A kind of lower box with sealing configuration
Technical field
The utility model relates to a kind of wind-driven generator component, refers to a kind of lower box with sealing configuration especially.
Background technique
Along with developing rapidly of global renewable energy sources market, wind-power electricity generation becomes energy industry new growth point gradually, has possessed the ability of competing mutually with other generating means, has worldwide presented the gesture of rapid growth.Driftage and variable propeller gearbox are one of vitals of wind-driven generator, and its effect is used to the angle regulating engine rooms of wind power generators and blade, makes it adapt to the change of wind direction or wind-force, thus more effectively utilizes wind energy.Because operating mode is relatively more severe, inconvenient maintenance, adds that the narrow and small maintenance cost of installing space is high.The projected life of wind turbine gearbox is generally 20 years, therefore very high to the reliability requirement of each several part.If produce fluid seepage in work, not only can produce baneful influence to environment, also will produce the cleaning up cost of great number, therefore no matter main engine factory or end user, the seepage of wind turbine gearbox is all serious hidden danger.
At present, the sealing state of the output terminal lower box of variable propeller gearbox is not very desirable, has technology to propose: a kind of seal arrangement of wind driven generator gear case output end, and this technology mainly arranges oil sealing between casing and output shaft; Arrange axle sleeve between oil sealing and output shaft, oil sealing is skeleton dual lip configuration, and its lip directly and axle sleeve wall contacts.We analyze and find that this technology exists significant deficiency, and sealing mainly relies on oil sealing, and oil sealing is not axially protected, very easily slippage, very easily leakage of oil event occurs; Lower box afterbody does not arrange oil drainage hole and seal arrangement, easily leakage of oil event occurs yet.
Model utility content
The utility model makes improvements for above-mentioned prior art Problems existing, namely the technical problems to be solved in the utility model proposes a kind of lower box with sealing configuration, this lower box is provided with three different sealing configurations according to different sealing position, effectively can reduce the generation of leakage of oil event, and box house is isolated into two-part by three seal arrangements, can effectively prevent leakage of oil event from expanding.
The technical solution of the utility model is achieved in that a kind of band sealing configuration lower box, comprise: casing, described cabinets cavity is provided with small bearing bracket and large bearing support from left to right, described cabinet exterior has the second oilhole and the 3rd oilhole, described casing left side is provided with left attachment hole and exterior seal ring; Be provided with the oil sealing base that structure is annular recess between described small bearing bracket and large bearing support, the anchor ring of described oil sealing base both sides is the conical surface and described oil sealing base is provided with bulge loop, and described oil sealing base is equipped with oil sealing; Be provided with the axle sleeve be fixed on casing on the right side of described large bearing support, be provided with inner seal ring between described axle sleeve and casing, the inwall of described axle sleeve is provided with oblique oil sealing, and the inner ring surface of described oblique oil sealing is the conical surface.
The one of the technical program is improved: described cabinet exterior has the first oilhole, described first oilhole is between described casing left side and small bearing bracket.
The one of the technical program is preferred: described second oilhole is between small bearing bracket and oil sealing base, and described 3rd oilhole is between oil sealing base and large bearing support.
The one of the technical program is improved: described casing right side has been provided with attachment hole and tapped hole.
The one of the technical program is improved: described cabinet exterior is provided with index aperture.
The one of the technical program is preferred: described anchor ring is that the gradient is greater than 1 and is less than 2, and the gradient of described inner ring surface is greater than 0.1 and is less than 1.
The utility model has following beneficial effect: the utility model is provided with three different sealing configurations according to different sealing position, effectively can reduce the generation of leakage of oil event, wherein adopt this structure of oblique oil sealing to make sealability better.Adopt the oil sealing base of annular recess structure, effectively can reduce oil sealing and break away, and bulge loop is set in oil sealing base can effectively prevents oil sealing from rotating, thus reduce oil sealing and wear and tear.The anchor ring of oil sealing base both sides is arranged to the conical surface and is facilitated waste oil and impurity to flow out, and plays the effect of protection oil sealing.Increase by the first oilhole, facilitate lubricating oil filling and get rid of waste oil and impurity.And box house is isolated into two-part by three seal arrangements, can effectively prevent leakage of oil event from expanding.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the sectional view of an a kind of lower box embodiment with sealing configuration of the utility model;
Fig. 2 is the sectional view of the casing part of a kind of lower box with sealing configuration in Fig. 1;
Fig. 3 is the zoomed-in view of the part A of a kind of lower box with sealing configuration in Fig. 1;
Fig. 4 is the zoomed-in view of the part B of a kind of lower box with sealing configuration in Fig. 1;
Fig. 5 is the zoomed-in view of the C part of a kind of lower box with sealing configuration in Fig. 1.
In figure, the corresponding name of sequence number is called:
1, casing, 101, left attachment hole, the 102, first oilhole, the 103, second oilhole, 104, the 3rd oilhole, 105, right attachment hole, 106, tapped hole, 107, index aperture, 108, small bearing bracket, 109, large bearing support, 2, exterior seal ring, 3, oil sealing, 4, axle sleeve, 5, inner seal ring, 6, tiltedly oil sealing, 601, inner ring surface, 7, oil sealing base, 701, anchor ring, 702, bulge loop.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figures 1 to 5, a kind of lower box with sealing configuration, comprise casing 1, casing 1 inner chamber is provided with small bearing bracket 108 and large bearing support 109 from left to right, casing 1 outer wall has two the second oilholes 103, an oilhole is used for lubricating oil filling, an oilhole is for discharging waste oil and impurity, casing 1 outer wall has two the 3rd oilholes 104, an oilhole is used for lubricating oil filling, an oilhole is for discharging waste oil and impurity, and described casing 1 left side is provided with left attachment hole 101 and exterior seal ring 2, and wherein exterior seal ring 2 is closer to the axis of casing 1; The oil sealing base 7 that structure is annular recess is provided with between small bearing bracket 108 and large bearing support 109, the anchor ring 701 of oil sealing base 7 both sides is the conical surface, anchor ring 701 be arranged to the conical surface more convenient with waste oil and impurity under conical flow, oil sealing base 7 is provided with bulge loop 702, described oil sealing base 7 is equipped with oil sealing 3, bulge loop 702 can increase the area of contact of oil sealing 3 and oil sealing base 7 to increase frictional force, and can prevent oil sealing 3 from rotating, oil sealing base 7 is arranged to annular recess and can be prevented oil sealing 3 from moving left and right; The axle sleeve 4 be fixed on casing 1 is provided with on the right side of described large bearing support 109, be screwed between axle sleeve 4 and casing 1, inner seal ring 5 is provided with between axle sleeve 4 and casing 1, the inwall of axle sleeve 4 is provided with oblique oil sealing 6, the inner ring surface 601 of oblique oil sealing 6 is the conical surface, inner ring surface 601 right-hand member is closer to axis, and make sealing effect better with this oblique oil sealing 6 of the known employing of experiment by analysis, oblique oil sealing 6 Acceptable life is also more longer.
By known second oilhole 103 of Fig. 1 to Fig. 2 between small bearing bracket 108 and oil sealing base 7, the 3rd oilhole 104 is between oil sealing base 7 and large bearing support 109.The utility model can also have two the first oilholes 102 on casing 1 sidewall, first oilhole 102 is between described casing left side and small bearing bracket 108, these two oilholes oilhole is used for lubricating oil filling, an oilhole is for discharging waste oil and impurity, after adding the first oilhole 102, the utility model has three groups of oilholes, corresponds respectively to three spaces in casing 1, makes lubricating oil filling, discharge waste oil impurity convenient.
Casing 1 right side is provided with attachment hole 105 and tapped hole 106 as shown in Figure 1, for connecting wind-driven generator wheel-box.
As shown in Figure 2 casing 1 outer wall is provided with index aperture 107, index aperture 107 makes to install between casing 1 and wind-driven generator wheel-box more quick, accurate.
But be greater than 1 by the known anchor ring 701 of Fig. 4 and Fig. 5 for the gradient and be less than 2, optimum gradient is 1, can reach requirement because the gradient is 1 oil extraction and impurity effect processes simpler.The gradient of inner ring surface 601 is greater than 0.1 and is less than 1, and wherein inner ring surface 601 optimum gradient is 0.5, and the using effect of the oblique oil sealing 6 of this gradient is best.
First bearing is arranged on two bearing supports when the utility model uses from the above, then axle sleeve 4 is arranged on the right side of casing 1, casing 1 is fixed on wind-driven generator wheel-box by attachment hole 105 and tapped hole 106.The output shaft of gear-box is slidably connected with oblique oil sealing 6, the bearing be arranged on large bearing support 109, oil sealing 3, the bearing be arranged on small bearing bracket 109 from right to left.
The utility model is specially adapted to the output terminal of wind-driven generator wheel-box, and wind-driven generator wheel-box described in above-mentioned mode of execution is driftage or variable propeller gearbox.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included in protection domain of the present utility model.

Claims (6)

1. the lower box with sealing configuration, comprise: casing (1), described casing (1) inner chamber is provided with small bearing bracket (108) and large bearing support (109) from left to right, described casing (1) outer wall has the second oilhole (103) and the 3rd oilhole (104), it is characterized in that: described casing (1) left side is provided with left attachment hole (101) and exterior seal ring (2); The oil sealing base (7) that structure is annular recess is provided with between described small bearing bracket (108) and large bearing support (109), the anchor ring (701) of described oil sealing base (7) both sides is for the conical surface and described oil sealing base (7) is provided with bulge loop (702), described oil sealing base (7) is equipped with oil sealing (3); Described large bearing support (109) right side is provided with the axle sleeve (4) be fixed on casing (1), inner seal ring (5) is provided with between described axle sleeve (4) and casing (1), the inwall of described axle sleeve (4) is provided with oblique oil sealing (6), and the inner ring surface (601) of described oblique oil sealing (6) is the conical surface.
2. according to a kind of lower box with sealing configuration according to claim 1, it is characterized in that described casing (1) outer wall has the first oilhole (102), described first oilhole (102) is positioned between described casing left side and small bearing bracket (108).
3. according to a kind of lower box with sealing configuration according to claim 2, it is characterized in that: described second oilhole (103) is positioned between small bearing bracket (108) and oil sealing base (7), described 3rd oilhole (104) is positioned between oil sealing base (7) and large bearing support (109).
4. according to a kind of lower box with sealing configuration according to claim 1, it is characterized in that: described casing right side has been provided with attachment hole (105) and tapped hole (106).
5. according to a kind of lower box with sealing configuration according to claim 1, it is characterized in that: described casing (1) outer wall is provided with index aperture (107).
6. according to a kind of lower box with sealing configuration according to claim 1, it is characterized in that: described anchor ring (701) is greater than 1 for the gradient and is less than 2, the gradient of described inner ring surface (601) is greater than 0.1 and is less than 1.
CN201420453716.2U 2014-08-12 2014-08-12 A kind of lower box with sealing configuration Expired - Fee Related CN204140830U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420453716.2U CN204140830U (en) 2014-08-12 2014-08-12 A kind of lower box with sealing configuration

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420453716.2U CN204140830U (en) 2014-08-12 2014-08-12 A kind of lower box with sealing configuration

Publications (1)

Publication Number Publication Date
CN204140830U true CN204140830U (en) 2015-02-04

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Application Number Title Priority Date Filing Date
CN201420453716.2U Expired - Fee Related CN204140830U (en) 2014-08-12 2014-08-12 A kind of lower box with sealing configuration

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112648354A (en) * 2020-12-18 2021-04-13 重庆隆鑫通航发动机制造有限公司 Box assembly and engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112648354A (en) * 2020-12-18 2021-04-13 重庆隆鑫通航发动机制造有限公司 Box assembly and engine

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C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: CHONGQING BAOHAO MACHINE CASTING CO., LTD.

Free format text: FORMER OWNER: CHONGQING BAOSHENG MACHINE CASTING CO., LTD.

Effective date: 20150204

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20150204

Address after: The 401420 Chongqing city Qijiang District Zhuan Tang Zhen Pearl Beach Bridge Road

Patentee after: CHONGQING BAOHAO MACHINERY CASTING CO., LTD.

Address before: Sanjiang 401420 Chongqing County of Qijiang city streets Huang Jing Village three

Patentee before: CHONGQING BAOSHENG MACHINERY CASTING CO., LTD.

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: 20150204

Termination date: 20160812