CN105299108A - Wet normally-closed brake of speed reducer - Google Patents
Wet normally-closed brake of speed reducer Download PDFInfo
- Publication number
- CN105299108A CN105299108A CN201510849725.2A CN201510849725A CN105299108A CN 105299108 A CN105299108 A CN 105299108A CN 201510849725 A CN201510849725 A CN 201510849725A CN 105299108 A CN105299108 A CN 105299108A
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- Prior art keywords
- retarder
- inner attrition
- attrition piece
- friction disc
- oil storage
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Abstract
The invention discloses a wet normally-closed brake of a speed reducer, and belongs to the technical field of speed reducer brakes. The wet normally-closed brake comprises a speed reducer cylinder, an input shaft, and an inner friction piece and an outer friction piece coating the input shaft in a cavity of the cylinder, wherein a brake working cavity and a lubricating oil storage cavity wrapping the outer surface of the brake working cavity are arranged in the speed reducer cylinder; the inner friction piece and the outer friction piece are arranged in the brake working cavity; an oil level of the lubricating oil storage cavity is higher than any height surface of the inner friction piece or the outer friction piece; and an oiling port communicated with the external is formed in the lubricating oil storage cavity. As the wet normally-closed brake is provided with the lubricating oil storage cavity having the oil level higher than the friction pieces, the brake is wholly dipped in lubricating oil, heat is directly exchanged, the heating capacity of the brake is reduced, and the service life is prolonged; and meanwhile, the brake can be used for a higher rotating speed to expand the application places.
Description
Technical field
The invention belongs to retarder brake technical field, be specifically related to a kind of wet type normally engaged brake when braking for retarder.
Background technique
There is following problem in existing planetary reducer break: the lubrication oil circulation in break does not arrange special oil-feed, fuel-displaced peripheral passage, only exchanged by the space of outside friction disc and cylinder body, oil circulation is limited, and heat exchange level is poor, causes break heat accumulation, temperature high, wearing and tearing aggravation, and then reduce the working life of break or even retarder, meanwhile, lubricant oil enters gear-box by means of only friction plate, oiling efficiency is low, inconvenient.
For the problems referred to above, be necessary to improve the structure of existing break, increase special lube passage, the heat radiation level of brake operation position can be taken away rapidly, extend the working life of break, reduce user cost.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of retarder wet type normally engaged brake, cause to solve the heat exchanging function deficiency existed in prior art the problem large, the life-span is short, user cost is high of wearing and tearing.
The object of the invention is to be achieved through the following technical solutions:
A kind of retarder wet type normally engaged brake, comprise retarder cylinder body, input shaft, be arranged in cylinder chamber and be sleeved on inner attrition piece on input shaft and outside friction disc, braking operation chamber and the lubricant oil storage chamber being wrapped in braking operation chamber outer surface is provided with in described retarder cylinder body, described inner attrition piece and outside friction disc are arranged in braking operation chamber, the oil level in described lubricant oil storage chamber, higher than the height face at any inner attrition piece or outside friction disc place, is provided with and the outer oil filler be communicated with in described lubricant oil storage chamber.
Further, described lubricant oil storage chamber is multiplely communicated with oilhole with being provided with between braking operation chamber, and described oilhole is arranged with the external diameter one_to_one corresponding of inner attrition piece in the height direction, in a circumferential direction uniform setting.
Further, described lubricant oil storage chamber is provided with vertical groove with between braking operation chamber on inner attrition piece and circumferential area corresponding to outside friction disc, and the length of described vertical groove is greater than the total thickness of inner attrition piece and outside friction disc.
Further, described input shaft is provided with oil-through hole on the circumferential area corresponding with inner attrition piece and outside friction disc, and described oil-through hole stores chamber with braking operation chamber and lubricant oil and is communicated with.
Further, the viewing window being arranged on lubricant oil storage cavity region on cylinder body is also comprised.
Further, described inner attrition piece is interior zero diopter sheet, and described outside friction disc is outer powder sheet.
Further, the surface of described outside friction disc is provided with heat radiation reticulate pattern.
Further, described inner attrition piece is provided with radiation hole.
Further, described inner attrition piece is provided with multiple being distributed on circumferentially and radially outward extending opening, and the cross section of described inner attrition piece is set to sinusoidal shape.
The invention has the beneficial effects as follows:
The present invention is by arranging the lubricant oil storage chamber of oil level higher than friction plate, break entirety is made to be immersed in lubricating oil, direct heat-shift, reduce the heating value of break, improve working life, make this break may be used for higher rotating speed simultaneously, to extend its use occasion, avoid prior art heat exchanging function deficiency and cause the problem large, the life-span is short, user cost is high of wearing and tearing, in addition, oil filler is directly stored chamber with lubricant oil and is communicated with, be convenient to lubricant oil storage chamber and lubricating oil directly added lubricant oil storage chamber, make easy to lubricate, fast.
Other advantages of the present invention, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, or can be instructed from the practice of the present invention.Target of the present invention and other advantages can be realized by specification below and obtain.
Accompanying drawing explanation
In order to make the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail, wherein:
Fig. 1 is the sectional view of a kind of retarder wet type of the present invention normally engaged brake first embodiment;
Fig. 2 is the I place partial enlarged drawing of Fig. 1;
Fig. 3 is the II place partial enlarged drawing of Fig. 1;
Fig. 4 is the structural representation of outside friction disc of the present invention;
Fig. 5 is the structural representation of inner attrition piece of the present invention;
Fig. 6 is the side view of Fig. 5;
Fig. 7 is the I place partial enlarged drawing of the second embodiment.
Description of reference numerals:
1-retarder cylinder body; 2-input shaft; 3 inner attrition pieces; 4-outside friction disc; 5-braking operation chamber; 6-lubricant oil storage chamber; 7-oil filler; 8-oilhole; 9-oil-through hole; 10-viewing window; 11-reticulate pattern; 12-radiation hole; 13-opening; The vertical groove of 14-.
Embodiment
Hereinafter with reference to accompanying drawing, the preferred embodiments of the present invention are described in detail.Should be appreciated that preferred embodiment only in order to the present invention is described, instead of in order to limit the scope of the invention.
First embodiment
As shown in figures 1 to 6, a kind of retarder wet type normally engaged brake of the present embodiment, comprise retarder cylinder body 1, input shaft 2, be arranged in cylinder chamber and be sleeved on inner attrition piece 3 on input shaft 2 and outside friction disc 4, braking operation chamber 5 and the lubricant oil storage chamber 6 being wrapped in braking operation chamber 5 outer surface is provided with in described retarder cylinder body 1, described inner attrition piece 3 and outside friction disc 4 are arranged in braking operation chamber 5, the oil level in described lubricant oil storage chamber 6 is higher than the height face at any inner attrition piece 3 or outside friction disc 4 place, break entirety can be made to be immersed in lubricating oil, direct heat-shift, improve heat exchange level, be provided with and the outer oil filler 7 be communicated with in described lubricant oil storage chamber 6, be convenient to lubricating oil directly be added lubricant oil storage chamber 6.
The present embodiment is by arranging the lubricant oil storage chamber of oil level higher than friction plate, break entirety is made to be immersed in lubricating oil, direct heat-shift, reduce the heating value of break, improve working life, make this break may be used for higher rotating speed simultaneously, to extend its use occasion, avoid prior art heat exchanging function deficiency and cause the problem large, the life-span is short, user cost is high of wearing and tearing, in addition, oil filler is directly stored chamber with lubricant oil and is communicated with, be convenient to lubricating oil directly to add in lubricant oil storage chamber, make easy to lubricate, fast.
As the improvement of the present embodiment, described lubricant oil storage chamber 6 is multiplely communicated with oilhole 8 with being provided with between braking operation chamber 5, lubricant oil is stored chamber 6 to be directly communicated with braking operation chamber 5, form a special lubricating oil path, oilhole 8 is arranged with the external diameter one_to_one corresponding of inner attrition piece 3 in the height direction, uniform setting in a circumferential direction, because outside friction disc 4 and inner attrition piece 3 are alternately stacked settings, in the outer radius of each inner attrition piece 3, oilhole 8 is set, when lubricating oil flows through in each group, during outside friction disc, can take away rapidly in each group, the heat produced in outside friction disc working procedure, thus reduce rapidly the heat of whole working position, improve the working life of break.
As the improvement of the present embodiment, described input shaft 2 is provided with oil-through hole 9 on the circumferential area corresponding with inner attrition piece 3 and outside friction disc 4, described oil-through hole 9 stores chamber 6 with braking operation chamber 5 and lubricant oil and is communicated with, another circulating oil path can be set at input shaft and between inner attrition piece 3 and outside friction disc 4 by oil-through hole 9, improve the ability of its heat exchange further.
As the improvement of the present embodiment, also comprise the viewing window 10 being arranged on lubricant oil storage cavity region on cylinder body 1, directly can observe the oil level of lubricant oil.
As the improvement of the present embodiment, described inner attrition piece 3 is interior zero diopter sheet, and described outside friction disc 4 is outer powder sheet, the spline standard pitch circle of powder sheet increases, and the number of teeth increases, and bearing capacity is stronger, powder sheet lines adopts reticulate pattern 11 simultaneously, as shown in Figure 4, is more conducive to lubricant oil heat radiation; After mating plate heat treatment, mechanical property promotes, and internal spline can do little, and input shaft diameter can reduce, mating plate and powder sheet remaining space increase after overlapping simultaneously.
As the improvement of the present embodiment, described inner attrition piece 3 is provided with radiation hole 12, as shown in Figure 5, the lubricant oil being conducive to friction lamella and interlayer circulates and exchanges.
As the improvement of the present embodiment, described inner attrition piece 3 is provided with multiple being distributed on circumferentially and radially outward extending opening 13, the cross section of described inner attrition piece 3 is set to sinusoidal shape, as shown in Figure 6, friction plate is more easily thrown off and forms oil film, and increase the fluid ability of the lubricant oil in operation process, heat is taken away by lubricant oil fast.
By above improvement, friction plate more easily throws off formation oil film mutually, and lubricant oil better circulates at friction lamella and interlayer, the better convection current of lubricant oil of friction plate position oil and casing, forms better lubricant oil circulation, heat exchange is accelerated, heat is taken away, reduces temperature.
Second embodiment
As shown in Figure 7, with the first embodiment unlike, the present embodiment arranges vertical groove 14 between lubricant oil storage chamber 6 and braking operation chamber 5, vertical groove 14 is arranged on the circumferential area of inner attrition piece 3 and outside friction disc 4 correspondence, vertical groove 14 can along the circumferential direction arrange multiple, improve radiating effect, simultaneously, the length of vertical groove 14 is greater than the total thickness of inner attrition piece 3 and outside friction disc 4, namely all friction plates are dispelled the heat, the further working environment improving break, improves radiating effect and working life.
What finally illustrate is, above embodiment is only in order to illustrate technological scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technological scheme of the present invention or equivalent replacement, and not departing from aim and the scope of the technical program, it all should be encompassed in the middle of right of the present invention.
Claims (9)
1. a retarder wet type normally engaged brake, comprise retarder cylinder body, input shaft, be arranged in cylinder chamber and be sleeved on inner attrition piece on input shaft and outside friction disc, it is characterized in that: in described retarder cylinder body, be provided with braking operation chamber and the lubricant oil storage chamber being wrapped in braking operation chamber outer surface, described inner attrition piece and outside friction disc are arranged in braking operation chamber, the oil level in described lubricant oil storage chamber, higher than the height face at any inner attrition piece or outside friction disc place, is provided with and the outer oil filler be communicated with in described lubricant oil storage chamber.
2. a kind of retarder wet type normally engaged brake according to claim 1, it is characterized in that: described lubricant oil storage chamber is multiplely communicated with oilhole with being provided with between braking operation chamber, described oilhole is arranged with the external diameter one_to_one corresponding of inner attrition piece in the height direction, in a circumferential direction uniform setting.
3. a kind of retarder wet type normally engaged brake according to claim 1, it is characterized in that: described lubricant oil storage chamber is provided with vertical groove with between braking operation chamber on inner attrition piece and circumferential area corresponding to outside friction disc, and the length of described vertical groove is greater than the total thickness of inner attrition piece and outside friction disc.
4. a kind of retarder wet type normally engaged brake according to claim 1, it is characterized in that: described input shaft is provided with oil-through hole on the circumferential area corresponding with inner attrition piece and outside friction disc, described oil-through hole stores chamber with braking operation chamber and lubricant oil and is communicated with.
5. a kind of retarder wet type normally engaged brake according to claim 1, is characterized in that: also comprise the viewing window being arranged on lubricant oil storage cavity region on cylinder body.
6., according to the arbitrary described a kind of retarder wet type normally engaged brake of claim 1-5, it is characterized in that: described inner attrition piece is interior zero diopter sheet, described outside friction disc is outer powder sheet.
7. a kind of retarder wet type normally engaged brake according to claim 6, is characterized in that: the surface of described outside friction disc is provided with heat radiation reticulate pattern.
8. a kind of retarder wet type normally engaged brake according to claim 6, is characterized in that: described inner attrition piece is provided with radiation hole.
9. a kind of retarder wet type normally engaged brake according to claim 6, is characterized in that: described inner attrition piece is provided with multiple being distributed on circumferentially and radially outward extending opening, and the cross section of described inner attrition piece is set to sinusoidal shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510849725.2A CN105299108B (en) | 2015-11-27 | 2015-11-27 | A kind of decelerator wet type normally engaged brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510849725.2A CN105299108B (en) | 2015-11-27 | 2015-11-27 | A kind of decelerator wet type normally engaged brake |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105299108A true CN105299108A (en) | 2016-02-03 |
| CN105299108B CN105299108B (en) | 2017-09-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510849725.2A Active CN105299108B (en) | 2015-11-27 | 2015-11-27 | A kind of decelerator wet type normally engaged brake |
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| Country | Link |
|---|---|
| CN (1) | CN105299108B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB739244A (en) * | 1953-02-10 | 1955-10-26 | Sk Wellman Co | Improvements in or relating to apparatus for cooling disc brakes |
| US2927673A (en) * | 1956-04-19 | 1960-03-08 | Gen Motors Corp | Energy transmitting device |
| DE19648212A1 (en) * | 1996-11-21 | 1998-05-28 | Zahnradfabrik Friedrichshafen | Oil processing system for cooling of automotive braking system |
| US6260668B1 (en) * | 1999-04-29 | 2001-07-17 | Highland Machinery Corporation | Brake system for electrically powered vehicles |
| JP2001263457A (en) * | 2000-03-21 | 2001-09-26 | Isuzu Motors Ltd | Lubricating device for countershaft brake |
| EP1234993A1 (en) * | 2001-02-23 | 2002-08-28 | Dana Italia S.p.A | Wheel hub with integrated planetary gear and multiple disc brake |
| US6543222B1 (en) * | 1999-07-27 | 2003-04-08 | Poclain Hydraulics Industrie | Braking system for braking a rotor relative to a stator |
| CN101659266A (en) * | 2009-09-19 | 2010-03-03 | 煤炭科学研究总院太原研究院 | Wheel-side reducer with brake for bracket carrier |
| CN102162493A (en) * | 2010-02-22 | 2011-08-24 | 瓦莱奥摩擦材料公司 | Annular friction lining for a dry clutch |
| CN203847597U (en) * | 2014-05-22 | 2014-09-24 | 厦门厦金机械股份有限公司 | Hydraulic wet normally-closed brake for drive axle |
| CN104088968A (en) * | 2014-07-21 | 2014-10-08 | 龙岩文伍车桥制造有限公司 | Vehicle main speed reducer with wet-type brake |
| CN204284259U (en) * | 2014-11-17 | 2015-04-22 | 上海宇意机械有限公司 | Vehicle wheel side speed reducer and wet type brake assembly |
-
2015
- 2015-11-27 CN CN201510849725.2A patent/CN105299108B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB739244A (en) * | 1953-02-10 | 1955-10-26 | Sk Wellman Co | Improvements in or relating to apparatus for cooling disc brakes |
| US2927673A (en) * | 1956-04-19 | 1960-03-08 | Gen Motors Corp | Energy transmitting device |
| DE19648212A1 (en) * | 1996-11-21 | 1998-05-28 | Zahnradfabrik Friedrichshafen | Oil processing system for cooling of automotive braking system |
| US6260668B1 (en) * | 1999-04-29 | 2001-07-17 | Highland Machinery Corporation | Brake system for electrically powered vehicles |
| US6543222B1 (en) * | 1999-07-27 | 2003-04-08 | Poclain Hydraulics Industrie | Braking system for braking a rotor relative to a stator |
| JP2001263457A (en) * | 2000-03-21 | 2001-09-26 | Isuzu Motors Ltd | Lubricating device for countershaft brake |
| EP1234993A1 (en) * | 2001-02-23 | 2002-08-28 | Dana Italia S.p.A | Wheel hub with integrated planetary gear and multiple disc brake |
| CN101659266A (en) * | 2009-09-19 | 2010-03-03 | 煤炭科学研究总院太原研究院 | Wheel-side reducer with brake for bracket carrier |
| CN102162493A (en) * | 2010-02-22 | 2011-08-24 | 瓦莱奥摩擦材料公司 | Annular friction lining for a dry clutch |
| CN203847597U (en) * | 2014-05-22 | 2014-09-24 | 厦门厦金机械股份有限公司 | Hydraulic wet normally-closed brake for drive axle |
| CN104088968A (en) * | 2014-07-21 | 2014-10-08 | 龙岩文伍车桥制造有限公司 | Vehicle main speed reducer with wet-type brake |
| CN204284259U (en) * | 2014-11-17 | 2015-04-22 | 上海宇意机械有限公司 | Vehicle wheel side speed reducer and wet type brake assembly |
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|---|---|
| CN105299108B (en) | 2017-09-12 |
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