CN102897023B - Flexible-connection hydraulic transmission box with power generation mechanism - Google Patents
Flexible-connection hydraulic transmission box with power generation mechanism Download PDFInfo
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- CN102897023B CN102897023B CN201210404149.7A CN201210404149A CN102897023B CN 102897023 B CN102897023 B CN 102897023B CN 201210404149 A CN201210404149 A CN 201210404149A CN 102897023 B CN102897023 B CN 102897023B
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Abstract
The invention relates to a flexible-connection hydraulic transmission box with a power generation mechanism. The flexible-connection hydraulic transmission box comprises a transmission box and a torque converter, wherein a transmission shaft is arranged in a transmission box shell and a torque converter shell in a penetrating manner; the front end of the transmission shaft is connected with a short shaft through a spline; an electromagnetic clutch is arranged on the short shaft and is connected with a power generation motor through a spline shaft; the inner lower part of the transmission box shell is respectively provided with an idler shaft and a transition gear shaft which are parallel to each other; the transition gear shaft is a tubular shaft, the inner end of the transition gear shaft is provided with a transition gear, and an output shaft is arranged at the outer end of the transition gear shaft; and the output end of the output shaft stretches out of the transmission box shell and is positioned below the power generation motor. Compared with the conventional forklift, a hybrid forklift matched with the transmission box can achieve an effect of saving energy by over 20 percent wholly.
Description
Technical field
The invention belongs to hybrid power forklift technical field, be specifically related to hydraulic transmission box.
Background technology
Current, due to becoming increasingly conspicuous of energy problem, global main fork truck manufactures commercial city and is seeking to manufacture new forms of energy fork truck, and fuel oil and electric hybrid become the scheme applying comparatively maturation at present.Oil electric mixed dynamic scheme is generally divided into 2 kinds, i.e. tandem, parallel.Namely tandem scheme directly connects generator motor by engine flywheel, and generator motor is with Hydraulic Pump.Generator motor generating drives vehicle to run for movable motor, and generator motor and driving engine drive Hydraulic Pump to provide equipment power separately or jointly.As the patent that publication number is CN 1839091A, between driving engine and generator motor, power-transfer clutch is housed, after generator motor, Hydraulic Pump is housed.Publication number is that the patent of CN 101011942A is directly equipped with generator motor at engine flywheel, between generator motor and Hydraulic Pump, power-transfer clutch is housed.The weak point of above two patents is the recovery cannot carrying out decline potential energy; Walk is realized by electrical motor simultaneously all the time, can not give full play to driving engine to the high pass ability brought of walking.Parallel scheme adopts two routes driving walking, and one is engine-gearbox-drive axle, and one is electrical motor-drive axle.Article two, power realizes walking for drive wheel after drive axle coupling.As the patent that publication number is CN 101980881A, driving engine connects the first train of gears, and train of gears exports two-way, one road band generator motor, is equipped with Hydraulic Pump after generator motor, when realizing decline potential energy and reclaiming, after Hydraulic Pump, HM Hydraulic Motor is housed, and between free-wheel clutch is housed; Another road band tor-con, change speed gear box, then output to drive axle.Wherein power-transfer clutch can be housed in the middle of driving engine and the first train of gears.This patent structure is too complicated, and implementation cost is high.And change speed gear box does not have power facility, the recovery of decline potential energy can not be carried out.
Summary of the invention
In order to realize the energy-saving effect that decline potential energy reclaims, improves fork truck car load, the present invention flexibly connects on the basis of hydrodynamic transmission at the 2 ~ 3.5t with band pump configuration and improves, provide a kind of there is power facility flexibly connect hydraulic transmission box.
Concrete technical solution is as follows:
The hydraulic transmission box that flexibly connects with power facility comprises change speed gear box and tor-con, and gear box casing rear end is connected with converter cover front end, and transmission shaft 6 runs through and is positioned at gear box casing and converter cover; Transmission shaft 6 in gear box casing is provided with forward gear power-transfer clutch 5 and forward gears 4, is provided with retrogressing gear power-transfer clutch and retreats gear gear 13 in gear box casing by retreating gear clutch spindle 14; Transmission shaft 6 in converter cover is provided with torque converter turbine 2 and converter pump 3;
The front end being positioned at the transmission shaft 6 of gear box casing front end minor axis 20 by spline joint, gear box casing front end is located at by bearing in the middle part of minor axis 20, minor axis 20 is arranged with magnetic clutch driving disc spacing pressing 23, magnetic clutch driving disc spacing pressing 23 side corresponding with gear box casing is provided with coil 24; The outer end of minor axis 20 is connected to butt flange 21 by bearing, one side of the butt flange 21 corresponding with magnetic clutch driving disc spacing pressing 23 is provided with magnetic clutch clutch plate 22, be provided with the castellated shaft of evagination in the middle part of the another side of butt flange 21, and the castellated shaft of butt flange 21 is communicated with generator motor 9; Described magnetic clutch driving disc spacing pressing 23, magnetic clutch clutch plate 22 and coil 24 form magnetic clutch 8;
In gear box casing, bottom is respectively equipped with the idler shaft 16 and transition gear axle 17 that are parallel to each other; Idler shaft 16 is parallel keeps off clutch spindle 14 with retrogressing; Idler shaft 16 is fixed with the first idle pulley 15 and the second idle pulley 11, first idle pulley 15 to keep off gear 13 with retrogressing and often engage; Transition gear axle 17 is tubular axis, and the inner is transition gear, and outer end is provided with output shaft 12; Second idle pulley 11 often engages with transition gear; It is external that the mouth of output shaft 12 extends transmission housing, and be positioned at the below of generator motor 9.
Described transition gear axle 17 passes through two deep groove ball bearing cantilever support on gear box casing.
Be provided with between described gear box casing front end and the housing of generator motor 9 and be connected housing 19, connecting housing 19 is large circular tube shaped, and is located at magnetic clutch driving disc spacing pressing 23 and magnetic clutch clutch plate 22 outside.
Advantageous Effects of the present invention embodies in the following areas:
1. relative to patent CN 1839091A, CN 101011942A, patent of the present invention can realize the recovery of decline potential energy, and namely when decline energy regenerating, magnetic clutch is separated; The pressure oil declined in equipment oil cylinder drives hydraulic pump/motor, thus drives generator motor generating;
2., relative to patent CN 101980881A, the present invention can make that arrangement is simple, compact conformation, low cost of manufacture.Be easy to realize merchandizing;
3., relative to patent ZL 201120149194.3, change speed gear box of the present invention, with power facility, can meet the user demand of motor vehicle driven by mixed power.Namely when power-transfer clutch engages, driving engine both can drive generator motor to generate electricity, and hydraulic pump/motor can be driven again to drive equipment; When disengaging of clutch, hydraulic pump/motor can be driven by the hydraulic oil declined in equipment oil cylinder simultaneously, thus drive generator motor generating.Realize the recovery of decline potential energy.Generator motor also can with electric motor mode Direct driver hydraulic pump/motor;
4., according to comparative test result, mate the hybrid power forklift of change speed gear box of the present invention compared with traditional fork truck, can whole energy more than 20%.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the partial enlarged drawing of Fig. 1.
Sequence number in upper figure: elastic plate 1, torque converter turbine 2, converter pump 3, forward gears 4, forward gear power-transfer clutch 5, transmission shaft 6, forward clutch tubular axis 7, magnetic clutch 8, generator motor 9, hydraulic pump/motor 10, second idle pulley 11, output shaft 12, retreat gear gear 13, retreat shelves clutch spindle 14, first idle pulley 15, idler shaft 16, transition gear axle 17, gear box casing 18, connect housing 19, minor axis 20, butt flange 21, magnetic clutch clutch plate 22, magnetic clutch driving disc spacing pressing 23, coil 24.
Detailed description of the invention
Below in conjunction with accompanying drawing, by embodiment, the present invention is further described.
See Fig. 1, the hydraulic transmission box that flexibly connects with power facility comprises change speed gear box and tor-con, and gear box casing 18 rear end is connected with converter cover front end, and transmission shaft 6 runs through and is positioned at gear box casing and converter cover.Transmission shaft 6 in gear box casing 18 is provided with forward gear power-transfer clutch 5 and forward gears 4 by forward clutch tubular axis 7, retrogressing gear power-transfer clutch is installed by retreating gear clutch spindle 14 and retreats gear gear 13 in gear box casing; Transmission shaft 6 in converter cover is provided with torque converter turbine 2 and converter pump 3, converter cover rear end is provided with elastic plate 1.The front end being positioned at the transmission shaft 6 of gear box casing front end is connected to minor axis 20, the middle part of minor axis 20 is installed on gear box casing front end by bearing, minor axis 20 is arranged with magnetic clutch driving disc spacing pressing 23, magnetic clutch driving disc spacing pressing 23 side corresponding with gear box casing is provided with coil 24; The outer end of minor axis 20 is connected to butt flange 21 by bearing, one side of the butt flange 21 corresponding with magnetic clutch driving disc spacing pressing 23 is provided with magnetic clutch clutch plate 22, the castellated shaft of evagination is provided with in the middle part of the another side of butt flange 21, and the castellated shaft of butt flange 21 is communicated with generator motor 9, generator motor 9 is connected to hydraulic pump/motor 10; Described magnetic clutch driving disc spacing pressing 23, magnetic clutch clutch plate 22 and coil 24 form magnetic clutch 8;
In gear box casing, bottom is installed with the idler shaft 16 and transition gear axle 17 that are parallel to each other respectively; Idler shaft 16 is parallel keeps off clutch spindle 14 with retrogressing; Idler shaft 16 is fixed with the first idle pulley 15 and the second idle pulley 11, first idle pulley 15 to keep off gear 13 with retrogressing and often engage.Transition gear axle 17 is tubular axis, by two deep groove ball bearing cantilever support on gear box casing; The inner of transition gear axle 17 is transition gear, and outer end is provided with output shaft 12; Second idle pulley 11 often engages with transition gear; It is external that the mouth of output shaft 12 extends transmission housing, and be positioned at the below of generator motor 9.
Be provided with between gear box casing front end and the housing of generator motor 9 and be connected housing 19, connecting housing 19 is large circular tube shaped, and is located at magnetic clutch driving disc spacing pressing 23 and magnetic clutch clutch plate 22 outside.
The power transmission line of each mode of operation of the present invention is as follows:
1. to generator motor-hydraulic pump/motor: engine power is directly delivered to converter pump 3 by elastic plate 1, pump impeller shaft head part is processed with splined hole, transmission shaft 6 interts in the hollow hole of forward clutch tubular axis 7, one end and pump impeller spline fitted, the other end is connected with magnetic clutch 8 by spline.Magnetic clutch 8 passes through generator motor 9 by transmission of power to hydraulic pump/motor 10;
2. Power output (advance): engine power passes to converter pump 3 by elastic plate 1, converter pump 3 passes to torque converter turbine 2 by liquid dielectric, torque converter turbine 2 by spline by transmission of power to forward clutch tubular axis 7, at this moment forward gear power-transfer clutch 5 is compacted, transmission of power is to forward gears 4, advance when gear 4 engages with the first idle pulley 15, the second idle pulley 11 is delivered to again by idler shaft 16, second idle pulley 11 engages with transition gear axle 17, transition gear axle 17 by spline by transmission of power to output shaft 12;
3. Power output (retrogressing): engine power passes to converter pump 3 by elastic plate 1, converter pump 3 passes to torque converter turbine 2 by liquid dielectric, torque converter turbine 2 by spline by transmission of power to forward clutch tubular axis 7, transmission of power is kept off clutch spindle 14 to retrogressing by normal engagement gear ring by forward clutch tubular axis 7, at this moment gear power-transfer clutch is retreated compacted, transmission of power is to retrogressing gear gear 13, retreat gear gear 13 to engage with the first idle pulley 15, the second idle pulley 11 is delivered to again by idler shaft 16, second idle pulley 11 engages with transition gear axle 17, transition gear axle 17 by spline by transmission of power to output shaft 12.
Claims (3)
1. what have power facility flexibly connects hydraulic transmission box, comprises change speed gear box and tor-con, and gear box casing rear end is connected with converter cover front end, and transmission shaft (6) runs through and is positioned at gear box casing and converter cover; Transmission shaft (6) in gear box casing is provided with forward gear power-transfer clutch (5) and forward gears (4), is provided with retrogressing gear power-transfer clutch and retreats gear gear (13) in gear box casing by retreating gear clutch spindle (14); Transmission shaft (6) in converter cover is provided with torque converter turbine (2) and converter pump (3), it is characterized in that: the front end being positioned at the transmission shaft (6) of gear box casing front end minor axis (20) by spline joint, gear box casing front end is located at by bearing in the middle part of minor axis (20), minor axis (20) is arranged with magnetic clutch driving disc spacing pressing (23), magnetic clutch driving disc spacing pressing (23) side corresponding with gear box casing is provided with coil (24); The outer end of minor axis (20) is connected to butt flange (21) by bearing, one side of the butt flange (21) corresponding with magnetic clutch driving disc spacing pressing (23) is provided with magnetic clutch clutch plate (22), be provided with the castellated shaft of evagination in the middle part of the another side of butt flange (21), and the castellated shaft of butt flange (21) is communicated with generator motor (9); Described magnetic clutch driving disc spacing pressing (23), magnetic clutch clutch plate (22) and coil (24) form magnetic clutch (8);
In gear box casing, bottom is respectively equipped with the idler shaft (16) and transition gear axle (17) that are parallel to each other; Idler shaft (16) is parallel keeps off clutch spindle (14) with retrogressing; Idler shaft (16) is fixed with the first idle pulley (15) and the second idle pulley (11), the first idle pulley (15) keeps off gear (13) with retrogressing and often engages; Transition gear axle (17) is tubular axis, and the inner is transition gear, and outer end is provided with output shaft (12); Second idle pulley (11) often engages with transition gear; It is external that the mouth of output shaft (12) extends transmission housing, and be positioned at the below of generator motor (9).
2. according to claim 1 there is power facility flexibly connect hydraulic transmission box, it is characterized in that: described transition gear axle (17) by two deep groove ball bearing cantilever support on gear box casing.
3. according to claim 1 there is power facility flexibly connect hydraulic transmission box, it is characterized in that: be provided with between described gear box casing front end and the housing of generator motor (9) and be connected housing (19), connecting housing (19) is large circular tube shaped, and is located at magnetic clutch driving disc spacing pressing (23) and magnetic clutch clutch plate (22) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210404149.7A CN102897023B (en) | 2012-10-23 | 2012-10-23 | Flexible-connection hydraulic transmission box with power generation mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210404149.7A CN102897023B (en) | 2012-10-23 | 2012-10-23 | Flexible-connection hydraulic transmission box with power generation mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN102897023A CN102897023A (en) | 2013-01-30 |
| CN102897023B true CN102897023B (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210404149.7A Active CN102897023B (en) | 2012-10-23 | 2012-10-23 | Flexible-connection hydraulic transmission box with power generation mechanism |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103434390B (en) * | 2013-08-29 | 2015-10-21 | 安徽合力股份有限公司 | The driving system of alternating accumulator electri forklift |
| CN103511582B (en) * | 2013-10-14 | 2016-03-02 | 浙江中柴机器有限公司 | A kind of hydrodynamic drive speed changer with hydraulic control system |
| CN107914574B (en) * | 2017-11-21 | 2024-01-30 | 安徽合力股份有限公司 | Flexible connection hydraulic transmission for small-tonnage forklift |
| CN108061149A (en) * | 2017-12-17 | 2018-05-22 | 安徽合力股份有限公司 | The mounting structure of taper roll bearing at a kind of electri forklift output axle shaft |
| CN115899207B (en) * | 2023-02-28 | 2023-05-09 | 太原矿机电气股份有限公司 | Hydraulic traction tooth driving device and speed-variable speed-limiting control system thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6782961B1 (en) * | 1999-10-18 | 2004-08-31 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Driving control apparatus for industrial vehicle |
| CN1839091A (en) * | 2004-04-13 | 2006-09-27 | 株式会社丰田自动织机 | Cargo handling device for cargo handling industrial vehicle |
| CN101011942A (en) * | 2007-02-12 | 2007-08-08 | 无锡开普动力有限公司 | Industrial vehicle with hybrid power |
| CN101980881A (en) * | 2008-03-27 | 2011-02-23 | 三菱重工业株式会社 | Hybrid industrial vehicle |
| CN102261451A (en) * | 2011-05-12 | 2011-11-30 | 安徽合力股份有限公司 | Hydrodynamic transmission for 2-3.5t hydraulic fork truck with pump mechanism |
| CN202847434U (en) * | 2012-10-23 | 2013-04-03 | 安徽合力股份有限公司 | Flexible connection hydraulic gear box with power generation mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0680042A (en) * | 1991-02-22 | 1994-03-22 | Hino Motors Ltd | Fork lift driving device |
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2012
- 2012-10-23 CN CN201210404149.7A patent/CN102897023B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6782961B1 (en) * | 1999-10-18 | 2004-08-31 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Driving control apparatus for industrial vehicle |
| CN1839091A (en) * | 2004-04-13 | 2006-09-27 | 株式会社丰田自动织机 | Cargo handling device for cargo handling industrial vehicle |
| CN101011942A (en) * | 2007-02-12 | 2007-08-08 | 无锡开普动力有限公司 | Industrial vehicle with hybrid power |
| CN101980881A (en) * | 2008-03-27 | 2011-02-23 | 三菱重工业株式会社 | Hybrid industrial vehicle |
| CN102261451A (en) * | 2011-05-12 | 2011-11-30 | 安徽合力股份有限公司 | Hydrodynamic transmission for 2-3.5t hydraulic fork truck with pump mechanism |
| CN202847434U (en) * | 2012-10-23 | 2013-04-03 | 安徽合力股份有限公司 | Flexible connection hydraulic gear box with power generation mechanism |
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| CN102897023A (en) | 2013-01-30 |
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