CN111288145A - Speed reducer and vehicle - Google Patents
Speed reducer and vehicle Download PDFInfo
- Publication number
- CN111288145A CN111288145A CN202010082485.9A CN202010082485A CN111288145A CN 111288145 A CN111288145 A CN 111288145A CN 202010082485 A CN202010082485 A CN 202010082485A CN 111288145 A CN111288145 A CN 111288145A
- Authority
- CN
- China
- Prior art keywords
- sealing
- oil seal
- wall
- framework oil
- mounting hole
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Details Of Gearings (AREA)
- Gasket Seals (AREA)
Abstract
The invention discloses a speed reducer and a vehicle. The shell is provided with a mounting hole; the framework oil seal piece is annular, the framework oil seal piece is arranged in the mounting hole, and the outer ring wall surface of the framework oil seal piece is connected with the mounting hole in a sealing manner; the tool plug penetrates through the framework oil seal piece, the tool plug is connected with the framework oil seal piece in a sealing mode, and the tool plug and the framework oil seal piece jointly plug the mounting hole. According to the speed reducer, the tool plug is additionally arranged, so that when the speed reducer is used for performing the idle loss test, the tool plug and the framework oil seal part can be used for sealing the mounting hole, lubricating oil is prevented from being thrown out of the mounting hole, the loss amount of the lubricating oil in the idle loss test can be reduced, and the accuracy of idle loss test data can be improved.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to a speed reducer and a vehicle.
Background
In the reduction gear field, there are two kinds to the scheme that the empty loss of reduction gear casing is tested: 1) the speed reducer drives the output shaft to perform idle loss test, so that the sliding friction force between the output shaft and the framework oil seal is increased, and errors exist in the real idle loss test of the speed reducer; 2) the reduction gear does not take the output shaft to do the empty test of losing, when the empty test of losing, the fluid of the rotation axis stirring of reduction gear can splash out through the hole of skeleton oil blanket, causes the lubricated fluid of reduction gear not enough from this for empty loss test deviation is great.
Disclosure of Invention
The invention provides a speed reducer which has the advantages of simple structure and convenience in idle loss test.
The invention provides a vehicle which is provided with the speed reducer.
The speed reducer provided by the embodiment of the invention comprises a shell, a framework oil seal piece and a tool plug. The housing has a mounting hole; the framework oil seal piece is annular, the framework oil seal piece is arranged in the mounting hole, and the outer ring wall surface of the framework oil seal piece is connected with the mounting hole in a sealing manner; the tool plug penetrates through the framework oil seal piece, the tool plug is connected with the framework oil seal piece in a sealing mode, and the tool plug and the framework oil seal piece jointly plug the mounting hole.
According to the speed reducer provided by the embodiment of the invention, by additionally arranging the tool plug, when the speed reducer is used for performing the idle loss test, the tool plug and the sealing framework oil seal part can be used for sealing the mounting hole, so that lubricating oil is prevented from being thrown out of the mounting hole, the loss amount of the lubricating oil in the idle loss test can be further reduced, and the accuracy of the idle loss test data can be improved.
In some embodiments, the tooling plug comprises: the cover body part is covered at the mounting hole; the first sealing wall is annular and is connected with the cover body part, the first sealing wall is positioned on one side of the cover body part, the first sealing wall penetrates through the framework oil seal part, and the outer peripheral wall of the first sealing wall is in sealing contact with the framework oil seal part; the second sealing wall is annular and is connected with the cover body part, the second sealing wall is positioned on one side of the cover body part, the second sealing wall is sleeved on the first sealing wall, and the second sealing wall is spaced from the first sealing wall in the radial direction of the first sealing wall.
In some embodiments, a sealing groove is formed between the first sealing wall and the second sealing wall, and the frame oil seal includes a first sealing strip located in the sealing groove, and the first sealing strip is attached to an inner wall of the sealing groove.
In some embodiments, the framework oil seal further comprises a second sealing strip, the second sealing strip is located on the inner annular wall of the framework oil seal, and the second sealing strip is attached to the first sealing wall.
In some embodiments, the second sealing strip is a plurality of strips spaced apart along an axial direction of the first sealing wall.
In some embodiments, a part of the end surface of the free end of the second sealing wall abuts against the housing.
In some embodiments, a portion of the end surface of the free end of the second seal wall abuts the skeletal oil seal.
In some embodiments, the skeletal oil seal is a rubber.
In some embodiments, the tooling plug is an aluminum piece or an aluminum alloy piece.
A vehicle according to an embodiment of the present invention includes a retarder as described above.
According to the vehicle provided by the embodiment of the invention, by additionally arranging the tool plug, when the speed reducer is used for performing the idle loss test, the tool plug and the sealing framework oil seal part can be used for sealing the mounting hole so as to prevent lubricating oil from being thrown out of the mounting hole, and further, the loss amount of the lubricating oil in the idle loss test can be reduced, so that the accuracy of the idle loss test data can be improved.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural diagram of a retarder according to an embodiment of the invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic structural diagram of a tooling block according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a tool plug according to an embodiment of the invention.
Reference numerals:
the speed reducer (100) is provided with a speed reducer,
the length of the housing 110, the mounting hole 111,
a frame oil seal 120, a first sealing bead 121, a second sealing bead 122,
the tool plug 130, the cover body 131, the first sealing wall 132, the second sealing wall 133 and the sealing groove 134.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
A decelerator 100 and a vehicle according to an embodiment of the present invention will be described with reference to fig. 1 to 4. It should be noted that the retarder 100 is a part of a transmission assembly of a vehicle, and the retarder 100 needs to be subjected to a loss-of-tolerance test before being applied to the vehicle, and the loss-of-tolerance test is a test for measuring the loss of power of the retarder 100 under no-load conditions.
As shown in fig. 1 to 4, a decelerator 100 according to an embodiment of the present invention may include a casing 110, a frame oil seal 120, and a tool block 130.
Specifically, as shown in fig. 1, the housing 110 has a mounting hole 111, and the frame oil seal 120 is provided in the mounting hole 111. The frame oil seal 120 is annular, and the outer annular wall surface of the frame oil seal 120 is sealingly connected to the mounting hole 111, whereby a gap between the outer annular wall surface of the frame oil seal 120 and the inner wall surface of the mounting hole 111 can be sealed. As shown in fig. 1 and 2, the tool plug 130 is inserted into the framework oil seal 120, and the tool plug 130 is connected to the framework oil seal 120 in a sealing manner, that is, the outer peripheral wall of the tool plug 130 is connected to the inner peripheral wall of the framework oil seal 120 in a sealing manner. Therefore, the tool plug 130 can plug the framework oil seal piece 120 and seal the framework oil seal piece 120. It can be understood that the tool plug 130 and the framework oil seal 120 can jointly plug the mounting hole 111, so that the lubricating oil in the housing 110 can be prevented from flowing out of the mounting hole 111.
When the speed reducer 100 is mounted on a vehicle, an output shaft of the speed reducer 100 may be inserted into the mounting hole 111, and the output shaft is adapted to be connected to a load; before the speed reducer 100 is installed on a vehicle, a null loss test needs to be carried out, when the null loss test is carried out, an output shaft needs to be dismounted, the tool plug 130 is installed at the framework oil seal piece 120, and the tool plug 130 and the framework oil seal piece 120 jointly plug the installation hole 111.
According to the speed reducer 100 provided by the embodiment of the invention, by additionally arranging the tool plug 130, when the speed reducer 100 is in a lost motion test, the tool plug 130 and the sealing framework oil seal 120 can be used for sealing the mounting hole 111 so as to prevent lubricating oil from being thrown out from the mounting hole 111, and further, the loss amount of the lubricating oil in the lost motion test can be reduced, so that the accuracy of lost motion test data can be improved.
In some embodiments of the present invention, as shown in fig. 1-4, the tool block 130 may include a cap portion 131, a first sealing wall 132, and a second sealing wall 133. The cover portion 131 covers the mounting hole 111, and the first sealing wall 132 is connected to the cover portion 131. The first sealing wall 132 has a ring shape, and the first sealing wall 132 is located at one side of the cap portion 131. Thereby, the cap portion 131 can close the end of the annular first sealing wall 132. The first sealing wall 132 is disposed through the framework oil seal 120, and an outer peripheral wall of the first sealing wall 132 is in sealing contact with the framework oil seal 120. This makes it possible to reduce the gap between the outer peripheral wall of the first seal wall 132 and the frame oil seal 120, thereby preventing the lubricating oil from flowing out through the gap.
Referring to fig. 1-4, the second sealing wall 133 may also be annular, and the second sealing wall 133 is connected to the cover portion 131, the second sealing wall 133 is located at one side of the cover portion 131, the second sealing wall 133 is sleeved on the first sealing wall 132, and the second sealing wall 133 is spaced apart from the first sealing wall 132 in a radial direction of the first sealing wall 132. It can be understood that the second sealing wall 133 and the first sealing wall 132 are both annular structures, and the first sealing wall 132 is located inside the second sealing wall 133, so that the structural strength of the cover body 131 can be enhanced, and the oil leakage situation caused by the deformation of the cover body 131 can be prevented.
Referring to fig. 1-2, according to some embodiments of the present invention, a sealing groove 134 is formed between the first sealing wall 132 and the second sealing wall 133. As shown in fig. 1 and 2, the skeletal oil seal 120 may include a first edge seal 121. The first edge sealing strip 121 is located in the sealing groove 134, and the first edge sealing strip 121 is attached to the inner wall of the sealing groove 134. It is understood that the first sealing wall 132, the first sealing edge strip 121 and the second sealing wall 133 form a nested structure, and thus a three-layer sealing structure can be formed in the radial direction of the mounting hole 111, that is, the first sealing wall 132 can serve as an innermost sealing layer, the first sealing edge strip 121 can serve as a second inner sealing layer, and the second sealing wall 133 can serve as an outermost sealing layer. Therefore, the sealing performance between the tool plug 130 and the framework oil seal 120 can be enhanced.
In some embodiments of the present invention, as shown in fig. 1-2, the skeletal oil seal 120 further includes a second sealing edge 122, the second sealing edge 122 is located on an inner annular wall of the skeletal oil seal 120, and the second sealing edge 122 is attached to the first sealing wall 132. Therefore, the gap between the first sealing wall 132 and the framework oil seal 120 can be reduced by the arrangement of the second sealing edge strip 122, and the sealing performance between the tool plug 130 and the framework oil seal 120 can be improved.
Further, referring to fig. 1 to 2, the second sealing edge strip 122 is a plurality of strips, and the plurality of second sealing edge strips 122 are spaced apart along the axial direction of the first sealing wall 132. Therefore, the gap between the first sealing wall 132 and the framework oil seal 120 can be more tightly sealed by the plurality of second sealing edge strips 122, and the risk of lubricating oil leaking from the space between the tool plug 130 and the framework oil seal 120 is reduced.
As shown in fig. 1 to 2, according to some embodiments of the present invention, a partial end surface of the free end of the second sealing wall 133 abuts against the housing 110. Therefore, the sealing performance between the tool plug 130 and the framework oil seal 120 can be further improved, and the second sealing wall 133 can be limited by the shell 110, so that the tool plug 130 is stably installed in the framework oil seal 120.
It should be noted that the position of the free end of the second sealing wall 133 is not limited thereto, for example, in some embodiments of the present invention, as shown in fig. 1-2, a part of the end surface of the free end of the second sealing wall 133 may abut against the frame oil seal 120. Therefore, the sealing performance between the tool plug 130 and the framework oil seal piece 120 can be further improved, and the framework oil seal piece 120 can be used for limiting the second sealing wall 133, so that the tool plug 130 is stably installed in the framework oil seal piece 120.
In some embodiments of the present invention, the skeletal oil seal 120 may be a rubber. It should be noted that, the rubber piece has the advantage of good elasticity, deformability. In order to improve the sealing effect, the framework oil seal piece 120 is made of an elastic rubber piece, so that the framework oil seal piece 120 is convenient to install in the installation hole 111, and the assembly convenience of the tool plug 130 can be improved. The resilience effect of the rubber part can be utilized after the tool plug 130 and the framework oil seal part 120 are installed, so that the framework oil seal part 120 is connected with the installation hole 111 in a sealing manner more closely, and the tool plug 130 is connected with the framework oil seal part 120 in a sealing manner more closely.
In some embodiments of the present invention, the tool plug 130 may be an aluminum or aluminum alloy member. It should be noted that, the aluminum or aluminum alloy piece has the advantages of good strength, easy availability and light weight, and the tool plug 130 has the advantages of good strength and light weight by selecting aluminum or aluminum alloy as the material of the tool plug 130. Moreover, the cost is low because the aluminum or aluminum alloy raw material is easily available, so that the cost of the tool plug 130 can be manufactured.
As shown in fig. 1 to 4, a vehicle according to an embodiment of the present invention includes a decelerator 100 as described above.
According to the vehicle provided by the embodiment of the invention, by additionally arranging the tool plug 130, when the speed reducer 100 is in a loss-of-flight test, the tool plug 130 and the sealing framework oil seal 120 can be used for sealing the mounting hole 111 so as to prevent lubricating oil from being thrown out from the mounting hole 111, and further, the loss amount of the lubricating oil in the loss-of-flight test can be reduced, so that the accuracy of loss-of-flight test data can be improved.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A speed reducer, comprising:
a housing having a mounting hole;
the framework oil seal piece is annular and is arranged in the mounting hole, and the outer ring wall surface of the framework oil seal piece is connected with the mounting hole in a sealing manner;
the tool plug penetrates through the framework oil seal piece, the tool plug is connected with the framework oil seal piece in a sealing mode, and the tool plug and the framework oil seal piece jointly plug the mounting hole.
2. The reducer according to claim 1, wherein the tooling plug comprises:
the cover body part is covered at the mounting hole;
the first sealing wall is annular and is connected with the cover body part, the first sealing wall is positioned on one side of the cover body part, the first sealing wall penetrates through the framework oil seal part, and the outer peripheral wall of the first sealing wall is in sealing contact with the framework oil seal part;
the second sealing wall is annular and is connected with the cover body part, the second sealing wall is positioned on one side of the cover body part, the second sealing wall is sleeved on the first sealing wall, and the second sealing wall is spaced from the first sealing wall in the radial direction of the first sealing wall.
3. The speed reducer of claim 2, wherein a seal groove is formed between the first seal wall and the second seal wall,
the framework oil seal piece comprises a first sealing edge strip, the first sealing edge strip is located in the sealing groove, and the first sealing edge strip is attached to the inner wall of the sealing groove.
4. The speed reducer of claim 2, wherein the skeletal oil seal further comprises a second sealing edge strip positioned on an inner annular wall of the skeletal oil seal, the second sealing edge strip being attached to the first sealing wall.
5. The speed reducer of claim 4, wherein the second seal bar is a plurality of bars, the second seal bars being spaced apart in an axial direction of the first seal wall.
6. A decelerator according to claim 2, wherein part of the end face of the free end of the second sealing wall abuts the housing.
7. The speed reducer of claim 2, wherein a portion of an end surface of the free end of the second seal wall abuts the skeletal oil seal.
8. The speed reducer of claim 1, wherein the skeletal oil seal is a rubber member.
9. The reducer according to claim 1, wherein the tooling plug is an aluminum piece or an aluminum alloy piece.
10. A vehicle, characterized in that it comprises a retarder according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010082485.9A CN111288145B (en) | 2020-02-07 | 2020-02-07 | Speed reducer and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010082485.9A CN111288145B (en) | 2020-02-07 | 2020-02-07 | Speed reducer and vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111288145A true CN111288145A (en) | 2020-06-16 |
| CN111288145B CN111288145B (en) | 2021-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010082485.9A Active CN111288145B (en) | 2020-02-07 | 2020-02-07 | Speed reducer and vehicle |
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| CN (1) | CN111288145B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4114898A (en) * | 1976-03-23 | 1978-09-19 | Garlock Inc. | Oil seal with permanently deformable locking member |
| CN204372175U (en) * | 2014-12-29 | 2015-06-03 | 金坛市博盟车辆配件有限公司 | A kind of oil seal that can improve lubricity |
| CN206159485U (en) * | 2016-10-31 | 2017-05-10 | 长城汽车股份有限公司 | Seal assembly and vehicle |
| CN207514225U (en) * | 2017-05-25 | 2018-06-19 | 浙江大华技术股份有限公司 | A kind of oil enveloping structure and sealing structure in structural member to be sealed |
| CN207999446U (en) * | 2018-01-29 | 2018-10-23 | 舜华电气（昆山）有限公司 | A kind of sealing structure of double outside framework oil seals |
| CN208858931U (en) * | 2018-10-18 | 2019-05-14 | 烟台坤正密封制品有限公司 | A kind of novel reflux line rotary oil seal |
| CN110513465A (en) * | 2019-09-09 | 2019-11-29 | 中车戚墅堰机车车辆工艺研究所有限公司 | A kind of hub reduction gear combined sealing structure |
| CN209839155U (en) * | 2019-05-16 | 2019-12-24 | 重庆市凯曦机械制造有限责任公司 | Framework for oil seal in hub |
-
2020
- 2020-02-07 CN CN202010082485.9A patent/CN111288145B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4114898A (en) * | 1976-03-23 | 1978-09-19 | Garlock Inc. | Oil seal with permanently deformable locking member |
| CN204372175U (en) * | 2014-12-29 | 2015-06-03 | 金坛市博盟车辆配件有限公司 | A kind of oil seal that can improve lubricity |
| CN206159485U (en) * | 2016-10-31 | 2017-05-10 | 长城汽车股份有限公司 | Seal assembly and vehicle |
| CN207514225U (en) * | 2017-05-25 | 2018-06-19 | 浙江大华技术股份有限公司 | A kind of oil enveloping structure and sealing structure in structural member to be sealed |
| CN207999446U (en) * | 2018-01-29 | 2018-10-23 | 舜华电气（昆山）有限公司 | A kind of sealing structure of double outside framework oil seals |
| CN208858931U (en) * | 2018-10-18 | 2019-05-14 | 烟台坤正密封制品有限公司 | A kind of novel reflux line rotary oil seal |
| CN209839155U (en) * | 2019-05-16 | 2019-12-24 | 重庆市凯曦机械制造有限责任公司 | Framework for oil seal in hub |
| CN110513465A (en) * | 2019-09-09 | 2019-11-29 | 中车戚墅堰机车车辆工艺研究所有限公司 | A kind of hub reduction gear combined sealing structure |
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| Publication number | Publication date |
|---|---|
| CN111288145B (en) | 2021-10-29 |
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