CN102897023A - 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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- CN102897023A CN102897023A CN2012104041497A CN201210404149A CN102897023A CN 102897023 A CN102897023 A CN 102897023A CN 2012104041497 A CN2012104041497 A CN 2012104041497A CN 201210404149 A CN201210404149 A CN 201210404149A CN 102897023 A CN102897023 A CN 102897023A
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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 the hybrid power forklift technical field, be specifically related to hydraulic transmission box.
Background technology
Current, owing to becoming increasingly conspicuous of energy problem, the main fork truck in the whole world is made the commercial city and is being sought to make the new forms of energy fork truck, and fuel oil and electric hybrid become the comparatively ripe scheme of using at present.The oil electric mixed dynamic scheme generally is divided into 2 kinds, i.e. tandem, parallel.The tandem scheme namely directly connects generator motor by engine flywheel, and generator motor is with Hydraulic Pump.The generator motor generating drives vehicle to run for movable motor, and generator motor and driving engine drive separately or jointly Hydraulic Pump equipment power is provided.Be the patent of CN 1839091A such as publication number, between driving engine and generator motor, power-transfer clutch be housed, Hydraulic Pump is housed behind the generator motor.Publication number is that the patent of CN 101011942A directly is equipped with generator motor at engine flywheel, between generator motor and the Hydraulic Pump power-transfer clutch is housed.More than be the to descend recovery of potential energy of the weak point of two patents; Walking is to realize by electrical motor all the time simultaneously, can not give full play to the high carrying capacity that driving engine brings to walking.Parallel scheme adopts two routes that drive walking, and one is driving engine-change speed gear box-drive axle, and one is electrical motor-drive axle.Article two, power is realized walking for drive wheel after the drive axle coupling.Be the patent of CN 101980881A such as publication number, driving engine connects the first train of gears, train of gears output two-way, one road band generator motor is equipped with Hydraulic Pump behind the generator motor, when realizing that decline potential energy reclaims, free-wheel clutch is equipped with HM Hydraulic Motor is housed, and between behind Hydraulic Pump; Then another road band tor-con, change speed gear box output to drive axle.Wherein in the middle of driving engine and the first train of gears, power-transfer clutch can be housed.This patent structure is too complicated, and implementation cost is high.And change speed gear box does not have power facility, and the potential energy that can not descend reclaims.
Summary of the invention
For the potential energy of realizing descending reclaims, improves the energy-saving effect of fork truck car load, the present invention improves on the basis that has 2～3.5t with pump configuration and flexibly connect hydrodynamic transmission, and a kind of hydraulic transmission box that flexibly connects with power facility is provided.
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 the gear box casing rear end is connected with tor-con housing front end, and transmission shaft 6 runs through and is positioned at gear box casing and tor-con housing; Transmission shaft 6 in the gear box casing is provided with forward gear power-transfer clutch 5 and forward gear gear 4, is provided with and retreats the gear power-transfer clutch and retreat gear gear 13 by retreating gear clutch spindle 14 in the gear box casing; Transmission shaft 6 in the tor-con housing is provided with torque converter turbine 2 and converter pump 3;
The front end that is positioned at the transmission shaft 6 of gear box casing front end minor axis 20 by spline joint, the gear box casing front end is located at by bearing in the middle part of minor axis 20, be arranged with magnetic clutch driving disc spacing pressing 23 on the minor axis 20, magnetic clutch driving disc spacing pressing 23 sides corresponding with gear box casing are provided with coil 24; The outer end of minor axis 20 is connecting 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 middle part, another side of butt flange 21 is provided with the castellated shaft of evagination, and the castellated shaft of butt flange 21 is being communicated with generator motor 9; Described magnetic clutch driving disc spacing pressing 23, magnetic clutch clutch plate 22 and coil 24 consist of magnetic clutch 8;
The bottom is respectively equipped with idler shaft 16 and the transition gear axle 17 that is parallel to each other in the gear box casing; Idler shaft 16 parallel with retreat gear clutch spindle 14; Be fixed with the first idle pulley 15 and the second idle pulley 11, the first idle pulleys 15 on the idler shaft 16 and retreat gear gear 13 and often mesh; Transition gear axle 17 is tubular axis, and the inner is transition gear, and the outer end is provided with output shaft 12; The second idle pulley 11 often meshes 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 the housing of described gear box casing front end and 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 outsides.
Useful technique effect of the present invention embodies in the following areas:
1. with respect to patent CN 1839091A, CN 101011942A, patent of the present invention can realize the descending recovery of potential energy, namely when the decline energy reclaimed, magnetic clutch separated; The pressure oil that descends in the equipment oil cylinder drives hydraulic pump/motor, thereby drives the generator motor generating;
2. with respect 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. with respect to patent ZL 201120149194.3, change speed gear box of the present invention can satisfy the user demand of motor vehicle driven by mixed power with power facility.Namely in the situation that power-transfer clutch engages, driving engine both can drive the generator motor generating, can drive again hydraulic pump/motor and drive equipment; Can in the situation of disengaging of clutch, drive hydraulic pump/motor by the hydraulic oil that descends in the equipment oil cylinder simultaneously, thereby drive the generator motor generating.Realize the recovery of decline potential energy.Generator motor also can directly drive hydraulic pump/motor with electric motor mode;
4. according to comparative test result, the hybrid power forklift of coupling change speed gear box of the present invention is compared with traditional fork truck, can whole energy more than 20%.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the partial enlarged drawing of Fig. 1.
Sequence number among the upper figure: elastic plate 1, torque converter turbine 2, converter pump 3, forward gear gear 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, the second idle pulley 11, output shaft 12, retreat gear gear 13, retreat grade clutch spindle 14, the 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.
The specific embodiment
Below in conjunction with accompanying drawing, by embodiment the present invention is further described.
Referring to 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 ends are connected with tor-con housing front end, and transmission shaft 6 runs through and is positioned at gear box casing and tor-con housing.By forward clutch tubular axis 7 forward gear power-transfer clutch 5 and forward gear gear 4 are installed on the transmission shaft 6 in the gear box casing 18, are equipped with and retreat the gear power-transfer clutch and retreat gear gear 13 by retreating gear clutch spindle 14 in the gear box casing; On the transmission shaft 6 in the tor-con housing torque converter turbine 2 and converter pump 3 are installed, tor-con housing rear end is equipped with elastic plate 1.The front end that is positioned at the transmission shaft 6 of gear box casing front end is connecting minor axis 20, the middle part of minor axis 20 is installed on the gear box casing front end by bearing, be arranged with magnetic clutch driving disc spacing pressing 23 on the minor axis 20, on magnetic clutch driving disc spacing pressing 23 sides corresponding with gear box casing coil 24 be installed; The outer end of minor axis 20 is connecting butt flange 21 by bearing, on one side of the butt flange 21 corresponding with magnetic clutch driving disc spacing pressing 23 magnetic clutch clutch plate 22 is installed, the middle part, another side of butt flange 21 is provided with the castellated shaft of evagination, and the castellated shaft of butt flange 21 is being communicated with generator motor 9, and generator motor 9 is connecting hydraulic pump/motor 10; Described magnetic clutch driving disc spacing pressing 23, magnetic clutch clutch plate 22 and coil 24 consist of magnetic clutch 8;
The bottom is installed with respectively idler shaft 16 and the transition gear axle 17 that is parallel to each other in the gear box casing; Idler shaft 16 parallel with retreat gear clutch spindle 14; Be fixed with the first idle pulley 15 and the second idle pulley 11, the first idle pulleys 15 on the idler shaft 16 and retreat gear gear 13 and often mesh.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 the outer end is provided with output shaft 12; The second idle pulley 11 often meshes 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 equipped with between the housing of gear box casing front end and 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 outsides.
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, the 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 by generator motor 9 with transmission of power to hydraulic pump/motor 10;
2. power output (advancing): 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 with 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 gear gear 4, advance when gear 4 and 15 engagements of the first idle pulley, be delivered to the second idle pulley 11 by idler shaft 16 again, the second idle pulley 11 and 17 engagements of transition gear axle, transition gear axle 17 arrives output shaft 12 by spline with transmission of power;
3. power output (retreating): 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 with transmission of power to forward clutch tubular axis 7, forward clutch tubular axis 7 keeps off clutch spindle 14 with transmission of power to retreating by normal engagement gear ring, at this moment it is compacted to retreat the gear power-transfer clutch, transmission of power is to retreating gear gear 13, retreat gear gear 13 and 15 engagements of the first idle pulley, be delivered to the second idle pulley 11 by idler shaft 16 again, the second idle pulley 11 and 17 engagements of transition gear axle, transition gear axle 17 arrives output shaft 12 by spline with transmission of power.
Claims (3)
1. have the hydraulic transmission box that flexibly connects of power facility, comprise change speed gear box and tor-con, the gear box casing rear end is connected with tor-con housing front end, and transmission shaft (6) runs through and is positioned at gear box casing and tor-con housing; Transmission shaft (6) in the gear box casing is provided with forward gear power-transfer clutch (5) and forward gear gear (4), is provided with to retreat the gear power-transfer clutch and retreat and keeps off gear (13) by retreating gear clutch spindle (14) in the gear box casing; Transmission shaft (6) in the tor-con housing is provided with torque converter turbine (2) and converter pump (3), it is characterized in that: the front end that is positioned at the transmission shaft (6) of gear box casing front end minor axis (20) by spline joint, the gear box casing front end is located at by bearing in the middle part of minor axis (20), be arranged with magnetic clutch driving disc spacing pressing (23) on the minor axis (20), 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 connecting 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 middle part, another side of butt flange (21) is provided with the castellated shaft of evagination, and the castellated shaft of butt flange (21) is being communicated with generator motor (9); Described magnetic clutch driving disc spacing pressing (23), magnetic clutch clutch plate (22) and coil (24) consist of magnetic clutch (8);
The bottom is respectively equipped with idler shaft (16) and the transition gear axle (17) that is parallel to each other in the gear box casing; Idler shaft (16) parallel with retreat the gear clutch spindle (14); Be fixed with the first idle pulley (15) and the second idle pulley (11) on the idler shaft (16), the first idle pulley (15) with retreat the normal engagement of gear gear (13); Transition gear axle (17) is tubular axis, and the inner is transition gear, and the outer end is provided with output shaft (12); The second idle pulley (11) often meshes 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. the hydraulic transmission box that flexibly connects with power facility according to claim 1 is characterized in that: described transition gear axle (17) by two deep groove ball bearing cantilever support on gear box casing.
3. the hydraulic transmission box that flexibly connects with power facility according to claim 1, it is characterized in that: be provided with between the housing of described gear box casing front end and 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 |
Applications Claiming Priority (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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| CN102897023A true CN102897023A (en) | 2013-01-30 |
| CN102897023B 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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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103434390A (en) * | 2013-08-29 | 2013-12-11 | 安徽合力股份有限公司 | Transmission system of alternating-current storage-battery electric forklift truck |
| CN103511582A (en) * | 2013-10-14 | 2014-01-15 | 浙江中柴机器有限公司 | Hydrodynamic transmission speed changer with novel hydraulic control system |
| CN107914574A (en) * | 2017-11-21 | 2018-04-17 | 安徽合力股份有限公司 | A kind of flexible connection Hydrodynamic transmission for small tonnage fork car |
| 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 |
| CN115899207A (en) * | 2023-02-28 | 2023-04-04 | 太原矿机电气股份有限公司 | Hydraulic traction gear drive device and speed-changing and speed-limiting control system thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0680042A (en) * | 1991-02-22 | 1994-03-22 | Hino Motors Ltd | Fork lift driving device |
| 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 |
-
2012
- 2012-10-23 CN CN201210404149.7A patent/CN102897023B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0680042A (en) * | 1991-02-22 | 1994-03-22 | Hino Motors Ltd | Fork lift driving device |
| 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 |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103434390A (en) * | 2013-08-29 | 2013-12-11 | 安徽合力股份有限公司 | Transmission system of alternating-current storage-battery electric forklift truck |
| 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 |
| CN103511582A (en) * | 2013-10-14 | 2014-01-15 | 浙江中柴机器有限公司 | Hydrodynamic transmission speed changer with novel hydraulic control system |
| 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 |
| CN107914574A (en) * | 2017-11-21 | 2018-04-17 | 安徽合力股份有限公司 | A kind of flexible connection Hydrodynamic transmission for small tonnage fork car |
| 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 |
| CN115899207A (en) * | 2023-02-28 | 2023-04-04 | 太原矿机电气股份有限公司 | Hydraulic traction gear drive device and speed-changing and speed-limiting control system thereof |
| 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 |
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|---|---|
| CN102897023B (en) | 2015-02-18 |
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