CN101450615B - Hydraulic transmission gearshift case - Google Patents

Hydraulic transmission gearshift case Download PDF

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Publication number
CN101450615B
CN101450615B CN200810163543XA CN200810163543A CN101450615B CN 101450615 B CN101450615 B CN 101450615B CN 200810163543X A CN200810163543X A CN 200810163543XA CN 200810163543 A CN200810163543 A CN 200810163543A CN 101450615 B CN101450615 B CN 101450615B
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gear
transmission
power
connects
drop
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CN101450615A (en
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金言荣
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Zhejiang Golden Road Polytron Technologies Inc
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Abstract

The invention discloses a hydraulic transmission gearbox, which comprises a power shift gearbox and a reduction box. The power shift gearbox and the reduction box are connected through an elastic support component and connected in a transmission mode through a universal coupling. The hydraulic transmission gearbox adopts a technical proposal that the power shift gearbox connected with an engine and the reduction box connected with a driving axle of a vehicle body achieve box connection through the elastic support component and achieve power transfer connection through the universal coupling, so that a power device of engineering machinery can be constructed relatively to a full floating type power arrangement of the vehicle body by adopting the engine and the power shift gearbox, so as to meet low-vibration requirement of vehicles, improve running stability and riding comfort of the engineering machinery, and prolong service life of transmission parts.

Description

A kind of hydraulic transmission gearbox
Technical field
The invention belongs to mechanical power drive technology field, particularly relate to a kind of hydraulic transmission gearbox that is applied on the construction machinery and equipments such as fork truck, tractor truck.
Background technology
Publication number is that the patent documentation of CN200978935Y discloses a kind of hydraulic transmission gearbox, comprise diff, shift transmission and turbine transformer, wherein, diff, shift transmission and turbine transformer three's housing are captiveed joint, like this, the vibration of driving engine directly is passed to car body by shift transmission, diff, and strong vibration not only can influence the running stability and the travelling comfort of construction machinery and equipment, also can increase the wearing and tearing of drive disk assembly and then influence service life.
Summary of the invention
In order to solve above-mentioned technical matters, the purpose of this invention is to provide a kind of hydraulic transmission gearbox, its with driving engine bonded assembly Powershift transmission with realize that by the elastic support assembly casing is connected with car body drive axle bonded assembly drop-gear box, realize that by universal coupling transmission of power connects, thereby the engine installation that makes construction machinery and equipment can take driving engine, Powershift transmission to arrange structure with respect to the car body formula power of floating entirely, realizes the low vibration requirement of vehicle.
To achieve the above object, the present invention has adopted following technical scheme:
A kind of hydraulic transmission gearbox comprises Powershift transmission and drop-gear box, and described Powershift transmission is connected by the elastic support assembly with drop-gear box, is in transmission connection by universal coupling between described Powershift transmission and the drop-gear box.
As preferably, above-mentioned universal coupling is the diesis universal coupling.Adopt the diesis universal coupling not only can effectively guarantee transmission, can also avoid because coupler institute bonded assembly two axis do not overlap the additional dynamic load that causes.
Above-mentioned elastic support assembly comprises link span of captiveing joint with drop-gear box and the support of captiveing joint with Powershift transmission, and link span is connected by the U-shaped hook with support, is provided with shock-absorbing rubber between described link span and support, link span and the U-shaped hook.Shock-absorbing rubber is set, makes that drop-gear box and Powershift transmission are non-rigid the connection, shock-absorbing rubber can weaken even eliminate transmission of vibration.
Above-mentioned Powershift transmission comprises the turbine transformer that connects the power input, turbine transformer is provided with input shaft, input shaft is connected with forward gear clutch, forward gear clutch connects the D Drive gear, the D Drive gear connects output flange by output gear, described input shaft and countershaft-gear are in transmission connection, the tween drive shaft connection retreats a grade power-transfer clutch, retreat a grade power-transfer clutch connection and retreat a grade gear, retreat a grade gear and connect output flange, also be provided with oil pump in the described Powershift transmission by output gear.Turbine transformer makes this hydraulic transmission gearbox have the automatic comformability of hydraulic transmission output, its output torque and rotating speed can be changed along with the variation of outer load accordingly, and the impact shock of outer load can be absorbed and eliminate bringing in the driving system from driving engine.
Above-mentioned Powershift transmission is provided with by fluid control forward gear clutch and the electromagnetic valve that retreats grade power-transfer clutch.The gear shift of adopting (to) mode is the solenoid control power shfit, and has inching valve, cushion valve, make handle simple and convenient, need not gear shift (to) locus, adopt automatic speed changing, starting has steadily alleviated operator's labour intensity greatly.
Above-mentioned drop-gear box comprises input flange, and input flange connects spiral bevel driving gear by driving gear, driven gear, and spiral bevel driving gear connects bevel driven, and bevel driven connects the diff combination of outputting power.
As preferably, the casing of above-mentioned Powershift transmission is an aluminum alloy die casting.Casing adopts aluminum alloy die casting, can make gear box weight saving to only needing 1/3 of general ironcasting, and minimizing stock left for machining that simultaneously can be bigger improves stock utilization and accelerates stock removing efficiency.
The present invention is owing to adopted above technical scheme, with driving engine bonded assembly Powershift transmission with realize that by the elastic support assembly casing is connected with car body drive axle bonded assembly drop-gear box, realize that by universal coupling transmission of power connects, thereby the engine installation that makes construction machinery and equipment can take driving engine, Powershift transmission to arrange structure with respect to the car body formula power of floating entirely, realized the low vibration requirement of vehicle, improve the running stability and the travelling comfort of construction machinery and equipment, prolonged the service life of drive disk assembly.
Description of drawings
Fig. 1 is transmission principle figure of the present invention.
Fig. 2 is a structural representation of the present invention.
Fig. 3 is the internal connection scheme drawing of Powershift transmission.
Fig. 4 is the C-C cutaway view of Fig. 2.
Fig. 5 is the internal connection scheme drawing of drop-gear box.
Fig. 6 is the cross-sectional view of elastic support assembly.
Fig. 7 is the structural representation of elastic support assembly.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is made a detailed explanation.
Embodiment 1:
A kind of hydraulic transmission gearbox as shown in Figure 1 and Figure 2, comprise Powershift transmission 1 and drop-gear box 2, described Powershift transmission 1 realizes that by elastic support assembly 3 casing is connected with drop-gear box 2, realizes that by the diesis universal coupling transmission of power connects between described Powershift transmission 1 and the drop-gear box 2.
As shown in Figure 3, above-mentioned Powershift transmission 1 comprises the turbine transformer 102 that connects the power input, turbine transformer 102 is provided with input shaft 103, input shaft 103 is connected with forward gear clutch 106, forward gear clutch 106 connects D Drive gear 105, D Drive gear 105 connects output flange 107 by output gear 108, described input shaft 103 is connected with tween drive shaft 111 gear transmissions, tween drive shaft 111 connections retreat grade power-transfer clutch 110, retreat 110 connections of grade power-transfer clutch and retreat grade gear 109, retreat grade gear 109 and connect output flange 107 by output gear 108, also be provided with oil pump 104 in the described Powershift transmission 1, oil pump 104 is a gear-within-gear pump, pass through the pump impeller direct drive by driving engine, oil pump provides pressure oil to system, and the fluid after the turbine transformer work enters the change speed gear box lubricating friction plate after entering radiator on the vehicle again, movement parts such as bearing and gear; Above-mentioned Powershift transmission 1 is provided with by fluid control forward gear clutch 106 and the electromagnetic valve 4 that retreats grade power-transfer clutch 110; Above-mentioned Powershift transmission 1 passes through elasticity connecting panel 101 and is connected with driving engine.Above-mentioned Powershift transmission 1 is provided with the protective cover 6 of universal coupling 5.
As shown in Figure 5, above-mentioned drop-gear box 2 comprises input flange 201, input flange 201 connects spiral bevel driving gear 204 by driving gear 202, driven gear 203, spiral bevel driving gear 204 connects bevel driven 205, and bevel driven 205 connects the diff combination 206 of outputting power.
As shown in Figure 4, above-mentioned input flange 201 and output flange 107 are connected to the two ends of diesis universal coupling 4.
As Fig. 6, shown in Figure 7, above-mentioned elastic support assembly 3 comprises the link span 305 of captiveing joint with drop-gear box 2 and the support 303 of captiveing joint by bolt 302 with Powershift transmission 1, link span 305 and support 303 are linked up with 301 support and connection by U-shaped, U-shaped hook 301 is connected with support 303 pins, is provided with shock-absorbing rubber 304,306,307 between described link span 305 and support 303, link span 305 and the U-shaped hook 301.The casing of above-mentioned Powershift transmission 1 is an aluminum alloy die casting.
During hydraulic transmission gearbox work, the power of driving engine is passed to input shaft 103 by the bending moment effect of turbine transformer, when hanging D Drive, retreat 110 idle running of grade power-transfer clutch, transmission of power is input shaft 103 → forward gear clutch 106 → D Drive gear 105 → output gear 108 → output flange 107 → universal coupling 5 → input flange 201 → driving gear 202 → driven gear 203 → spiral bevel driving gear 204 → bevel driven 205 → diff combination 206 in proper order; When hanging when to retreat grade, forward gear clutch 106 idle running, transmission of power are input shaft 103 → tween drive shaft 111 → retreat grade power-transfer clutch 110 → retreat grade gear 109 → output gear 108 → output flange 107 → universal coupling 5 → input flange 201 → driving gear 202 → driven gear 203 → spiral bevel driving gear 204 → bevel driven 205 → diff combination 206 in proper order.

Claims (6)

1. hydraulic transmission gearbox, comprise Powershift transmission (1) and drop-gear box (2), it is characterized in that, described Powershift transmission (1) is connected by elastic support assembly (3) with drop-gear box (2), be in transmission connection by universal coupling (5) between described Powershift transmission (1) and the drop-gear box (2), wherein, described elastic support assembly (3) comprises link span (305) of captiveing joint with drop-gear box (2) and the support (303) of captiveing joint with Powershift transmission (1), link span (305) is connected by U-shaped hook (301) with support (303), described link span (305) and support (303), be provided with shock-absorbing rubber between link span (305) and the U-shaped hook (301).
2. a kind of hydraulic transmission gearbox according to claim 1 is characterized in that, described universal coupling (5) is the diesis universal coupling.
3. a kind of hydraulic transmission gearbox according to claim 1 and 2, it is characterized in that, described Powershift transmission (1) comprises the turbine transformer (102) that connects the power input, turbine transformer (102) is provided with input shaft (103), input shaft (103) is connected with forward gear clutch (106), forward gear clutch (106) connects D Drive gear (105), D Drive gear (105) connects output flange (107) by output gear (108), described input shaft (103) is connected with tween drive shaft (111) gear transmission, tween drive shaft (111) connection retreats a grade power-transfer clutch (110), retreat a grade power-transfer clutch (110) connection and retreat a grade gear (109), retreat a grade gear (109) and connect output flange (107), also be provided with oil pump (104) in the described Powershift transmission (1) by output gear (108).
4. a kind of hydraulic transmission gearbox according to claim 3 is characterized in that, described Powershift transmission (1) is provided with by fluid control forward gear clutch (106) and retreats the electromagnetic valve (4) of a grade power-transfer clutch (110).
5. a kind of hydraulic transmission gearbox according to claim 4, it is characterized in that, described drop-gear box (2) comprises input flange (201), input flange (201) connects spiral bevel driving gear (204) by driving gear (202), driven gear (203), spiral bevel driving gear (204) connects bevel driven (205), and bevel driven (205) connects the diff combination (206) of outputting power.
6. a kind of hydraulic transmission gearbox according to claim 5 is characterized in that, the casing of described Powershift transmission (1) is an aluminum alloy die casting.
CN200810163543XA 2008-12-29 2008-12-29 Hydraulic transmission gearshift case Active CN101450615B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200810163543XA CN101450615B (en) 2008-12-29 2008-12-29 Hydraulic transmission gearshift case

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Application Number Priority Date Filing Date Title
CN200810163543XA CN101450615B (en) 2008-12-29 2008-12-29 Hydraulic transmission gearshift case

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CN101450615A CN101450615A (en) 2009-06-10
CN101450615B true CN101450615B (en) 2011-03-23

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102501759A (en) * 2011-11-23 2012-06-20 天津工程机械研究院 Hydraulic mechanical drive device for electric vehicle
CN105736671B (en) * 2016-04-13 2018-01-09 浙江中柴机器有限公司 A kind of flexible Hydrodynamic transmission

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4401509A1 (en) * 1993-01-22 1994-08-04 Michael Meyerle Hydrostatic mechanical gearbox for vehicle
EP0950833A3 (en) * 1998-04-17 1999-12-15 MANNESMANN Aktiengesellschaft Torque support
CN2709709Y (en) * 2004-02-18 2005-07-13 李明亭 Power output box of double-box double-vortex hydraulic displacement apparatus
CN201003550Y (en) * 2006-12-30 2008-01-09 青岛华瑞汽车零部件有限公司 Cross axle type universal-joint connection device
CN201027947Y (en) * 2007-02-09 2008-02-27 长沙航空工业中南传动机械厂 Shaft-lowering output type hydraulic transmission gearbox for tractor
CN201124759Y (en) * 2007-12-03 2008-10-01 内蒙古北方重工业集团有限公司 Power drive for transport vehicle
CN201250894Y (en) * 2008-08-11 2009-06-03 金言荣 Hydraulic transmission gearbox

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4401509A1 (en) * 1993-01-22 1994-08-04 Michael Meyerle Hydrostatic mechanical gearbox for vehicle
EP0950833A3 (en) * 1998-04-17 1999-12-15 MANNESMANN Aktiengesellschaft Torque support
CN2709709Y (en) * 2004-02-18 2005-07-13 李明亭 Power output box of double-box double-vortex hydraulic displacement apparatus
CN201003550Y (en) * 2006-12-30 2008-01-09 青岛华瑞汽车零部件有限公司 Cross axle type universal-joint connection device
CN201027947Y (en) * 2007-02-09 2008-02-27 长沙航空工业中南传动机械厂 Shaft-lowering output type hydraulic transmission gearbox for tractor
CN201124759Y (en) * 2007-12-03 2008-10-01 内蒙古北方重工业集团有限公司 Power drive for transport vehicle
CN201250894Y (en) * 2008-08-11 2009-06-03 金言荣 Hydraulic transmission gearbox

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Owner name: SHAOXING JINDAO GEARBOX CO., LTD.

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Address after: No. 22 Zhongxing Road 312000 in Zhejiang province Shaoxing City Paojiang Development Zone

Patentee after: SHAOXING JINDAO GEAR BOX CO., LTD.

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Patentee before: Jin Yanrong

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Address after: 312000 No. 22 Zhongxing Road, Zhejiang City, Shaoxing City, Zhejiang province.

Patentee after: Zhejiang Golden Road Polytron Technologies Inc

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Patentee before: SHAOXING JINDAO GEAR BOX CO., LTD.

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Address after: 312000 no.689, Bujin Road, Keqiao District, Shaoxing City, Zhejiang Province

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Patentee before: ZHEJIANG JINDAO TECHNOLOGY Co.,Ltd.

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