CN101105212A - Gear box with built-in braking system - Google Patents
Gear box with built-in braking system Download PDFInfo
- Publication number
- CN101105212A CN101105212A CNA2007100704796A CN200710070479A CN101105212A CN 101105212 A CN101105212 A CN 101105212A CN A2007100704796 A CNA2007100704796 A CN A2007100704796A CN 200710070479 A CN200710070479 A CN 200710070479A CN 101105212 A CN101105212 A CN 101105212A
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- gearbox
- braking system
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- 230000005540 biological transmission Effects 0.000 abstract description 7
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- IXSZQYVWNJNRAL-UHFFFAOYSA-N etoxazole Chemical compound CCOC1=CC(C(C)(C)C)=CC=C1C1N=C(C=2C(=CC=CC=2F)F)OC1 IXSZQYVWNJNRAL-UHFFFAOYSA-N 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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- 239000002912 waste gas Substances 0.000 description 1
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Abstract
The invention discloses a variable-speed gear with a built-in braking system, which comprises a shell, wherein an input shaft is fixedly provided on the shell, a driving gear is fixedly provided on the input shaft, a large gear is movably arranged on the shell, the driving gear is engaged with the large gear, the side face of the large gear is connected with a friction wafer rack provided with a gear, an inner friction wafer and an outer friction wafer are arranged on the friction wafer rack, the outer friction wafer contacts with a clutch plate and is connected with an inner gear ring, a planetary pinion carrier is arranged inside the inner gear ring and connected with an output shaft, a planetary gear assembly is movably connected on the planetary pinion carrier, the inner gear ring and output shaft are respectively fixed on the shell, and a rocking arm type braking device is arranged on the shell. The invention has a built-in braking system; and the advantages of simple structure, small volume, light weight, and high transmission efficiency.
Description
Technical field
The present invention relates to a kind of gearbox of built-in braking system.
Background technique
Domestic existing fork truck has two kinds of forms, a kind of be with internal-combustion engine as power, another kind is as power with motor.Big with internal-combustion engine as the fork truck power of power, but the waste gas of internal-combustion engine and noise pollution are serious.And motor as the power fork truck with its favorable environment protection energy, just more and more come into one's own, output is increasing.Domestic similar with Electric Fork Lift Trucks its structure of gearbox and general internal combustion engine fork lift gearbox, its structure all is from prime mover input power, then by the gearbox speed change, through differential mechanism and two-semiaxle power is passed on the wheel, Vehicular turn is mainly finished by differential mechanism, and more car brakeing is adopted big, the baroque hub-type of volume to rise and stopped.Because gearbox power transmission chain length, its machinery driving efficiency is lower.Simultaneously, because gearbox transmission of power part is more, and also have parts such as differential mechanism, break, the cost of production of gearbox is also higher.
Summary of the invention
The object of the present invention is to provide a kind of gearbox of built-in braking system, have simple in structure, volume is little, in light weight, transmission efficiency is high, the characteristics of built-in braking system.
In order to achieve the above object, technological scheme of the present invention is:
A kind of gearbox of built-in braking system, comprise housing, on housing, be installed with input shaft, be installed with driving gear on the input shaft, be movably installed with gearwheel on the housing, driving gear and gearwheel engagement, the gearwheel side links to each other with the friction horse that is provided with gear, friction plate and outside friction disc in being equipped with on the friction horse, and outside friction disc contacts with platen, outside friction disc links to each other with ring gear again, planet carrier is installed in the ring gear, and planet carrier links to each other with output shaft, is connected with planetary gear set on the planet carrier, ring gear and output shaft are separately fixed on the housing, and the rocking arm braking device is installed on the housing.
Described planetary gear set comprises planetary pinion, cooperate on the planetary pinion internal diameter to be provided with bearing, bearing by inner ring and the cylindrical roller that directly is covered with on inner ring forms, planetary pinion is meshed with ring gear and gear on the horse that rubs respectively.Compare with traditional bearing, substituted bearing outer ring by planetary pinion, and do not had retainer between the bearing roller, overall structure is reduced, body diameter increases, and the external force that can bear also increases.
Described rocking arm braking device comprises the push rod that flexibly connects with housing, push rod is connected with by Xiao's axle and is installed in brake lever on the housing, is connected with piston in the brake lever, and piston one end is equipped with piston rod, the piston the other end is with return spring, and upper cover of piston rod has dirt-proof boot.
Pass through bearing fixing between described housing and the input shaft.
Flexibly connect by bearing between described gearwheel and the housing, described gearwheel with rub between the horse, all be connected between ring gear and the housing by bolt.Be provided with 6 bolts between gearwheel and the friction horse, be provided with 10 bolts between ring gear and the housing.
In described between friction plate and the horse that rubs, between outside friction disc and the ring gear, all be connected between planet carrier and the output shaft by spline.
The rocking arm braking device forms whole braking system with interior friction plate and outside friction disc, and the whole braking system and the gear box casing of gearbox are joined together, thereby produces the skidding effect.
After the present invention adopted technique scheme, its beneficial effect was:
Structure of the present invention no longer needs to pass through earlier the gearbox speed change, power is passed on the wheel through differential mechanism and two-semiaxle then again; Vehicular turn also ends the dependence upon differential mechanism and finishes; Car brakeing is also no longer adopted big, the baroque hub-type of volume to rise and is stopped.But adopted the gearbox of built-in braking system, power transmission, Vehicular turn, braking is all finished in gearbox, and transmission, brake member are reduced to some extent, and cost of production decreases, and employing is that two gearboxes are installed respectively on two wheels, finish Vehicular turn by two gearbox speed discrepancies, and compare with traditional gearbox, power chain shortens.Thereby make the present invention have simple in structure, volume is little, in light weight, characteristics that transmission efficiency is high.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the enlarged diagram of planetary gear set of the present invention;
Fig. 3 is the amplification view of planetary gear set of the present invention;
Fig. 4 is the enlarged diagram of rocking arm braking device of the present invention.
Embodiment
As shown in Figure 1, a kind of gearbox of built-in braking system, comprise housing 20, input shaft 3 is fixed on the housing 20 by bearing 1 and bearing 2, be installed with driving gear 4 on the input shaft 3, on housing 20, be movably installed with gearwheel 5 by bearing 6, driving gear 4 and gearwheel 5 engagements, gearwheel 5 sides link to each other with the friction horse 7 that is provided with gear 73 by 6 bolts, friction plate 71 and outside friction disc 72 in being equipped with on the friction horse 7, outside friction disc 72 contacts with platen 13, outside friction disc 72 links to each other with ring gear 16 again, planet carrier 12 is installed in the ring gear 16, planet carrier 12 links to each other with output shaft 17, be connected with planetary gear set 15 on the planet carrier 12, between interior friction plate 71 and the friction horse 7, between outside friction disc 72 and the ring gear 16, all be connected between planet carrier 12 and the output shaft 17 by spline, ring gear 16 and output shaft 17 are separately fixed on the housing 20, ring gear 16 is bolted on the housing 20 by 10, output shaft on housing 20, is equipped with rocking arm braking device 8 by bearing fixing on the housing 20.
As shown in Figure 2 to Figure 3, planetary gear set 15 comprises planetary pinion 151, cooperate on planetary pinion 151 internal diameters and be provided with bearing 15 ', bearing 15 ' is made up of inner ring 153 and the cylindrical roller 152 that directly is covered with on inner ring, and planetary pinion 151 is meshed with gear 73 on ring gear 16 and the friction horse 7 respectively.Compare with traditional bearing, substituted bearing outer ring by planetary pinion 151, and do not had retainer between the bearing roller, overall structure is reduced, body diameter increases, and the external force that can bear also increases.
As shown in Figure 4; rocking arm braking device 8 comprises the push rod 81 that flexibly connects with housing 20; push rod 81 is connected with by Xiao's axle 87 and is installed in brake lever 82 on the housing 20; be connected with piston 85 in the brake lever 82; piston 85 1 ends are equipped with piston rod 84; piston 85 the other ends are with return spring 86, are with dirt-proof boot 83 on the piston rod 84.
Rocking arm braking device 8 forms whole braking system with interior friction plate 71 and outside friction disc 72, and the whole braking system of gearbox and gear box casing 20 are joined together, thereby produces the skidding effect.
During gearbox work, power passes on the gearbox input shaft 3 from motor, driving gear 4 from the input shaft 3 passes on the gearwheel 5 again, gearwheel 5 passes on the friction horse 7 again, pass to again on the planetary pinion 151, planetary pinion 151 is meshed with gear 73 on ring gear 16 and the friction horse 7 respectively, drives output shafts 17 outputs by planet carrier 12.
When fork truck advanced, motor steering just changeed, obstructed brake-fluid in the piston cylinder of braking system brake lever 82, and the interior outside friction disc 71 on the friction horse 7 is thrown off mutually, and motor drives wheel by gearbox and marches forward.When fork truck is braked, brake fluid is fed in the piston cylinder of brake lever 82, make piston 85 motions, pass through lever principle, make push rod 81 promote platen 13, interior friction plate 71, outside friction disc 72 that platen 13 will rub on the horse 7 compress, and the whole drive system of gearbox and gear box casing 20 are joined together, thereby produce the skidding effect.
When fork truck retreated, motor steering was opposite when advancing, and promptly turns to counter-rotating, and all the other working principles of gearbox are the same when advancing.
When fork-truck steering,, realize turning to by regulating motor output speed on the two wheel gearboxes.When two vehicle wheel rotational speeds not simultaneously, fork truck has just realized turning to (being equivalent to the differential mechanism function).Thereby whole parts have been reduced.
Claims (6)
1. the gearbox of a built-in braking system, comprise housing (20), it is characterized in that: on housing (20), be installed with input shaft (3), be installed with driving gear (4) on the input shaft (3), be movably installed with gearwheel (5) on the housing (20), driving gear (4) and gearwheel (5) engagement, the side of gearwheel (5) links to each other with the friction horse (7) that is provided with gear (73), on the friction horse (7) interior friction plate (71) and outside friction disc (72) are installed, outside friction disc (72) contacts with platen (13), outside friction disc (72) links to each other with ring gear (16) again, planet carrier (12) is installed in the ring gear (16), planet carrier (12) links to each other with output shaft (17), be connected with planetary gear set (15) on the planet carrier (12), ring gear (16) and output shaft (17) are separately fixed on the housing (20), and rocking arm braking device (8) is installed on the housing (20).
2. the gearbox of built-in braking system as claimed in claim 1, it is characterized in that: described planetary gear set (15) comprises planetary pinion (151), cooperate on planetary pinion (151) internal diameter and be provided with bearing (15 '), bearing (15 ') is made up of inner ring (153) and the cylindrical roller (152) that directly is covered with on inner ring, and planetary pinion (151) is meshed with gear (73) on ring gear (16) and the friction horse (7) respectively.
3. the gearbox of built-in braking system as claimed in claim 1, it is characterized in that: described rocking arm braking device (8) comprises the push rod (81) that flexibly connects with housing (20), push rod (81) is connected with by Xiao's axle (87) and is installed in brake lever (82) on the housing (20), be connected with piston (85) in the brake lever (82), piston (85) one ends are equipped with piston rod (84), piston (85) the other end is with return spring (86), and piston rod (84) is with dirt-proof boot (83).
4. the gearbox of built-in braking system as claimed in claim 1 is characterized in that: fixing by bearing (1) and bearing (2) between described housing (20) and the input shaft (3).
5. the gearbox of built-in braking system as claimed in claim 1, it is characterized in that: flexibly connect by bearing (6) between described gearwheel (5) and the housing (20), between described gearwheel (5) and friction horse (7), all be connected between ring gear (16) and the housing (20) by bolt.
6. the gearbox of built-in braking system as claimed in claim 1, it is characterized in that: between described interior friction plate (71) and the friction horse (7), between outside friction disc (71) and the ring gear (16), all be connected between planet carrier (12) and the output shaft (17) by spline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100704796A CN100516590C (en) | 2007-08-08 | 2007-08-08 | Gear box with built-in braking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100704796A CN100516590C (en) | 2007-08-08 | 2007-08-08 | Gear box with built-in braking system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101105212A true CN101105212A (en) | 2008-01-16 |
| CN100516590C CN100516590C (en) | 2009-07-22 |
Family
ID=38999243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100704796A Active CN100516590C (en) | 2007-08-08 | 2007-08-08 | Gear box with built-in braking system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100516590C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102657000A (en) * | 2012-04-24 | 2012-09-12 | 广西开元机器制造有限责任公司 | Gearbox steering device for micro semi-feeding combine harvester |
| CN109282018A (en) * | 2018-11-30 | 2019-01-29 | 江苏沃得农业机械配件制造有限公司 | A kind of combined type wheel bridge gearbox |
| CN110143194A (en) * | 2019-05-30 | 2019-08-20 | 威伯科汽车控制系统（中国）有限公司 | A kind of gearbox brake control method and commerial vehicle |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN88201044U (en) * | 1988-01-29 | 1988-12-14 | 郭宁 | Connecting and disconnecting gearbox |
| CN1045016C (en) * | 1991-05-25 | 1999-09-08 | 王文贵 | Manual and automatic slepless power variable speed case |
| SE509788C2 (en) * | 1997-07-18 | 1999-03-08 | Volvo Constr Equip Components | Planetary gear for a vehicle wheel |
| US6830526B2 (en) * | 2003-01-09 | 2004-12-14 | Deere & Company | Two-speed planetary transmission with singular actuator |
| CN1548788A (en) * | 2003-05-16 | 2004-11-24 | 张保信 | Variable speed device |
| CN201080995Y (en) * | 2007-08-08 | 2008-07-02 | 绍兴前进齿轮箱有限公司 | Built-in braking system transmission-gear box |
-
2007
- 2007-08-08 CN CNB2007100704796A patent/CN100516590C/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102657000A (en) * | 2012-04-24 | 2012-09-12 | 广西开元机器制造有限责任公司 | Gearbox steering device for micro semi-feeding combine harvester |
| CN109282018A (en) * | 2018-11-30 | 2019-01-29 | 江苏沃得农业机械配件制造有限公司 | A kind of combined type wheel bridge gearbox |
| CN110143194A (en) * | 2019-05-30 | 2019-08-20 | 威伯科汽车控制系统（中国）有限公司 | A kind of gearbox brake control method and commerial vehicle |
| CN110143194B (en) * | 2019-05-30 | 2020-09-15 | 威伯科汽车控制系统（中国）有限公司 | Gearbox brake control method and commercial vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100516590C (en) | 2009-07-22 |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHAOXING JINDAO GEARBOX CO., LTD. Free format text: FORMER OWNER: SHAOXING ADVANCE GEARBOX CO., LTD. Effective date: 20120822 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 312030 SHAOXING, ZHEJIANG PROVINCE TO: 312071 SHAOXING, ZHEJIANG PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20120822 Address after: 312071 city of Shaoxing province Zhejiang Paojiang Industrial Zone Doumen town Gushe Patentee after: SHAOXING JINDAO GEAR BOX CO., LTD. Address before: 312030 Zhejiang province Shaoxing County Keqiao Street mirror water 603 Patentee before: Hangzhou Advance Gearbox Co., Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 312000 Zhongxing Avenue 22, Zhejiang City, Shaoxing. Patentee after: Zhejiang Golden Road Polytron Technologies Inc Address before: 312071 outer Valley society of Doumen Town, Shaoxing Province, Zhejiang province. Patentee before: SHAOXING JINDAO GEAR BOX CO., LTD. |
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| CP02 | Change in the address of a patent holder |
Address after: 312000 no.689, Bujin Road, Keqiao District, Shaoxing City, Zhejiang Province Patentee after: ZHEJIANG JINDAO TECHNOLOGY Co.,Ltd. Address before: 312000 Zhongxing Avenue 22, Zhejiang City, Shaoxing. Patentee before: ZHEJIANG JINDAO TECHNOLOGY Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |