CN201250894Y - Hydraulic transmission gearbox - Google Patents
Hydraulic transmission gearbox Download PDFInfo
- Publication number
- CN201250894Y CN201250894Y CNU2008201622810U CN200820162281U CN201250894Y CN 201250894 Y CN201250894 Y CN 201250894Y CN U2008201622810 U CNU2008201622810 U CN U2008201622810U CN 200820162281 U CN200820162281 U CN 200820162281U CN 201250894 Y CN201250894 Y CN 201250894Y
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- China
- Prior art keywords
- gear
- gear box
- dynamic power
- power shift
- connects
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 38
- 230000008878 coupling Effects 0.000 claims abstract description 30
- 238000010168 coupling process Methods 0.000 claims abstract description 30
- 238000005859 coupling reaction Methods 0.000 claims abstract description 30
- 239000003638 chemical reducing agent Substances 0.000 claims description 19
- 239000012530 fluid Substances 0.000 claims description 12
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 238000005266 casting Methods 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000004512 die casting Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- Arrangement Of Transmissions (AREA)
- Structure Of Transmissions (AREA)
Abstract
The utility model discloses a hydraulic transmission gearbox, including power gearbox and the reducing gear box of shifting, power gearbox and reducing gear box of shifting pass through the elastic support subassembly and connect, connect through the universal joint transmission between power gearbox and the reducing gear box of shifting. According to the technical scheme, the power gear shifting gearbox connected with the engine and the reduction gearbox connected with the vehicle body drive axle are connected through the elastic support assembly to realize box body connection, and power transmission connection is realized through the universal coupling, so that a power device of the engineering machinery can adopt a power arrangement structure that the engine and the power gear shifting gearbox are completely floated relative to the vehicle body, the low vibration requirement of a vehicle is realized, the running stability and riding comfort of the engineering machinery are improved, and the service life of a transmission part is prolonged.
Description
Technical field
The utility model belongs to machine power drive technology field, particularly relates to a kind of hydraulic transmission gearbox that is applied on the engineering machinery such as fork truck, tractor.
Background technique
Publication number is that the patent documentation of CN200978935Y discloses a kind of hydraulic transmission gearbox, comprise differential mechanism, manual transmission and fluid torque converter, wherein, differential mechanism, manual transmission and fluid torque converter three's housing are fixedlyed connected, like this, the vibration of motor directly is passed to car body by manual transmission, differential mechanism, and strong vibration not only can influence the running stability and the riding comfort of engineering machinery, also can increase the wearing and tearing of transmission part and then influence working life.
Summary of the invention
In order to solve above-mentioned technical problem, the purpose of this utility model provides a kind of hydraulic transmission gearbox, its dynamic power shift gear box that is connected with motor realizes that by the elastic support assembly casing connects with the speed reducer that is connected with the car body ransaxle, realize that by Hooks coupling universal coupling transmission of power connects, thereby the power plant that make engineering machinery can take motor, dynamic power shift gear box to arrange structure with respect to the car body formula power of floating entirely, realize the low vibration requirement of vehicle.
To achieve the above object, the utility model has adopted following technological scheme:
A kind of hydraulic transmission gearbox comprises dynamic power shift gear box and speed reducer, and described dynamic power shift gear box is connected by the elastic support assembly with speed reducer, is in transmission connection by Hooks coupling universal coupling between described dynamic power shift gear box and the speed reducer.
As preferably, above-mentioned Hooks coupling universal coupling is the diesis Hooks coupling universal coupling.Adopt the diesis Hooks coupling universal coupling not only can effectively guarantee transmission, can also avoid because two axis that coupling connected do not overlap the additional dynamic load that causes.
Above-mentioned elastic support assembly comprises link press span of fixedlying connected with speed reducer and the support of fixedlying connected with dynamic power shift gear box, and link press span is connected by the U-shaped hook with support, is provided with shock-absorbing rubber between described link press span and support, link press span and the U-shaped hook.Shock-absorbing rubber is set, makes that speed reducer and dynamic power shift gear box are non-rigid the connection, shock-absorbing rubber can weaken even eliminate transfer of vibration.
Above-mentioned dynamic power shift gear box comprises the fluid torque converter that connects the power input, fluid torque converter is provided with input shaft, input shaft is connected with the forward gear clutch, the forward gear clutch connects the forward gear gear, the forward gear gear connects output flange by output gear, described input shaft and countershaft-gear are in transmission connection, the jack shaft connection retreats the retaining clutch, retreat the connection of retaining clutch and retreat the retaining gear, retreat the retaining gear and connect output flange, also be provided with oil pump in the described dynamic power shift gear box by output gear.Fluid torque converter makes this hydraulic transmission gearbox have the automatic adaptability of hydraudynamic drive 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 transmission system from motor.
Above-mentioned dynamic power shift gear box is provided with by hydraulic control forward gear clutch and retreats the solenoid valve that keeps off clutch.The gearshift of adopting (to) mode is the electromagnetic valve power gear shifting, and has inching valve, trimmer valve, make handle simple and convenient, need not gearshift (to) spatial position, adopt automatic speed changing, starting has steadily alleviated operator's labor intensity greatly.
Above-mentioned speed reducer 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 differential mechanism combination of outputting power.
As preferably, the casing of above-mentioned dynamic power shift gear box 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 machining allowance that simultaneously can be bigger improves stock utilization and accelerates cutting rate.
The utility model is owing to adopted above technological scheme, the dynamic power shift gear box that is connected with motor realizes that by the elastic support assembly casing connects with the speed reducer that is connected with the car body ransaxle, realize that by Hooks coupling universal coupling transmission of power connects, thereby the power plant that make engineering machinery can take motor, dynamic power shift gear box 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 riding comfort of engineering machinery, prolonged the working life of transmission part.
Description of drawings
Fig. 1 is transmission principle figure of the present utility model.
Fig. 2 is a structural representation of the present utility model.
Fig. 3 is the inside connection diagram of dynamic power shift gear box.
Fig. 4 is the C-C sectional view of Fig. 2.
Fig. 5 is the inside connection diagram of speed reducer.
Fig. 6 is the cross-sectional view of elastic support assembly.
Fig. 7 is the structural representation of elastic support assembly.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is made a detailed explanation.
Embodiment 1:
A kind of hydraulic transmission gearbox as shown in Figure 1 and Figure 2, comprise dynamic power shift gear box 1 and speed reducer 2, described dynamic power shift gear box 1 realizes that by elastic support assembly 3 casing is connected with speed reducer 2, realizes that by the diesis Hooks coupling universal coupling transmission of power connects between described dynamic power shift gear box 1 and the speed reducer 2.
As shown in Figure 3, above-mentioned dynamic power shift gear box 1 comprises the fluid torque converter 102 that connects the power input, fluid torque converter 102 is provided with input shaft 103, input shaft 103 is connected with forward gear clutch 106, forward gear clutch 106 connects forward gear gear 105, forward gear gear 105 connects output flange 107 by output gear 108, described input shaft 103 is connected with jack shaft 111 gear transmissions, jack shaft 111 connections retreat retaining clutch 110, retreat 110 connections of retaining clutch and retreat retaining gear 109, retreat retaining gear 109 and connect output flange 107 by output gear 108, also be provided with oil pump 104 in the described dynamic power shift gear box 1, oil pump 104 is a crescent gear pump, directly drive by pump impeller by motor, oil pump provides pressure oil to system, and the fluid after the fluid torque converter work enters the gearbox lubricating friction plate after entering radiator on the vehicle again, movement parts such as bearing and gear; Above-mentioned dynamic power shift gear box 1 is provided with by hydraulic control forward gear clutch 106 and retreats the solenoid valve 4 that keeps off clutch 110; Above-mentioned dynamic power shift gear box 1 passes through elasticity connecting plate 101 and is connected with motor.Above-mentioned dynamic power shift gear box 1 is provided with the protective housing 6 of Hooks coupling universal coupling 5.
As shown in Figure 5, above-mentioned speed reducer 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 differential mechanism 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 Hooks coupling universal coupling 4.
As Fig. 6, shown in Figure 7, above-mentioned elastic support assembly 3 comprises the link press span 305 of fixedlying connected with speed reducer 2 and the support 303 of fixedlying connected by bolt 302 with dynamic power shift gear box 1, link press 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 press span 305 and support 303, link press span 305 and the U-shaped hook 301.The casing of above-mentioned dynamic power shift gear box 1 is an aluminum alloy die casting.
During hydraulic transmission gearbox work, the power of motor is passed to input shaft 103 by the bending moment effect of fluid torque converter, when hanging forward gear, retreat 110 idle running of retaining clutch, transmission of power is input shaft 103 → forward gear clutch 106 → forward gear gear 105 → output gear 108 → output flange 107 → Hooks coupling universal coupling 5 → input flange 201 → driving gear 202 → driven gear 203 → spiral bevel driving gear 204 → bevel driven 205 → differential mechanism combination 206 in proper order; When extension to retreat retaining, forward gear clutch 106 idle running, transmission of power are input shaft 103 → jack shaft 111 → retreat retaining clutch 110 → retreat retaining gear 109 → output gear 108 → output flange 107 → Hooks coupling universal coupling 5 → input flange 201 → driving gear 202 → driven gear 203 → spiral bevel driving gear 204 → bevel driven 205 → differential mechanism combination 206 in proper order.
Claims (7)
1. hydraulic transmission gearbox, comprise dynamic power shift gear box (1) and speed reducer (2), it is characterized in that, described dynamic power shift gear box (1) is connected by elastic support assembly (3) with speed reducer (2), is in transmission connection by Hooks coupling universal coupling (5) between described dynamic power shift gear box (1) and the speed reducer (2).
2. a kind of hydraulic transmission gearbox according to claim 1 is characterized in that, described Hooks coupling universal coupling (5) is the diesis Hooks coupling universal coupling.
3. a kind of hydraulic transmission gearbox according to claim 1, it is characterized in that, described elastic support assembly (3) comprises link press span (305) of fixedlying connected with speed reducer (2) and the support (303) of fixedlying connected with dynamic power shift gear box (1), link press span (305) is connected by U-shaped hook (301) with support (303), is provided with shock-absorbing rubber between described link press span (305) and support (303), link press span (305) and the U-shaped hook (301).
4. according to each described a kind of hydraulic transmission gearbox in the claim 1 to 3, it is characterized in that, described dynamic power shift gear box (1) comprises the fluid torque converter (102) that connects the power input, fluid torque converter (102) is provided with input shaft (103), input shaft (103) is connected with forward gear clutch (106), forward gear clutch (106) connects forward gear gear (105), forward gear gear (105) connects output flange (107) by output gear (108), described input shaft (103) is connected with jack shaft (111) gear transmission, jack shaft (111) connection retreats retaining clutch (110), retreat retaining clutch (110) connection and retreat retaining gear (109), retreat retaining gear (109) and connect output flange (107), also be provided with oil pump (104) in the described dynamic power shift gear box (1) by output gear (108).
5. a kind of hydraulic transmission gearbox according to claim 4 is characterized in that, described dynamic power shift gear box (1) is provided with by hydraulic control forward gear clutch (106) and retreats the solenoid valve (4) that keeps off clutch (110).
6. a kind of hydraulic transmission gearbox according to claim 5, it is characterized in that, described speed reducer (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 differential mechanism combination (206) of outputting power.
7. a kind of hydraulic transmission gearbox according to claim 6 is characterized in that, the casing of described dynamic power shift gear box (1) is an aluminium alloy castings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201622810U CN201250894Y (en) | 2008-08-11 | 2008-08-11 | Hydraulic transmission gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201622810U CN201250894Y (en) | 2008-08-11 | 2008-08-11 | Hydraulic transmission gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201250894Y true CN201250894Y (en) | 2009-06-03 |
Family
ID=40746567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201622810U Expired - Lifetime CN201250894Y (en) | 2008-08-11 | 2008-08-11 | Hydraulic transmission gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201250894Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101450615B (en) * | 2008-12-29 | 2011-03-23 | 金言荣 | Hydraulic transmission gearshift case |
| CN104315107A (en) * | 2014-10-17 | 2015-01-28 | 绍兴金道齿轮箱有限公司 | Hydraulic drive gearbox |
| CN107206893A (en) * | 2015-02-06 | 2017-09-26 | 技术推进公司 | Motor vehicle driven by mixed power traction component including being arranged to the hydraulic press around differential output shaft |
| CN115163791A (en) * | 2022-06-28 | 2022-10-11 | 江苏汇智高端工程机械创新中心有限公司 | A multi-speed automatic gearbox for port machinery |
-
2008
- 2008-08-11 CN CNU2008201622810U patent/CN201250894Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101450615B (en) * | 2008-12-29 | 2011-03-23 | 金言荣 | Hydraulic transmission gearshift case |
| CN104315107A (en) * | 2014-10-17 | 2015-01-28 | 绍兴金道齿轮箱有限公司 | Hydraulic drive gearbox |
| CN107206893A (en) * | 2015-02-06 | 2017-09-26 | 技术推进公司 | Motor vehicle driven by mixed power traction component including being arranged to the hydraulic press around differential output shaft |
| CN115163791A (en) * | 2022-06-28 | 2022-10-11 | 江苏汇智高端工程机械创新中心有限公司 | A multi-speed automatic gearbox for port machinery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090603 Effective date of abandoning: 20080811 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20090603 Effective date of abandoning: 20080811 |