CN203604570U - Novel hydraulic drive transmission - Google Patents

Novel hydraulic drive transmission Download PDF

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Publication number
CN203604570U
CN203604570U CN201320633336.2U CN201320633336U CN203604570U CN 203604570 U CN203604570 U CN 203604570U CN 201320633336 U CN201320633336 U CN 201320633336U CN 203604570 U CN203604570 U CN 203604570U
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CN
China
Prior art keywords
shaft
gear
hole
shoulder hole
housing
Prior art date
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Expired - Lifetime
Application number
CN201320633336.2U
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Chinese (zh)
Inventor
陈瑞枫
孙天明
吕坤炯
吕航斌
章贤华
梁毅锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHEJIANG ZHONGCHAI MACHINE CO Ltd
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ZHEJIANG ZHONGCHAI MACHINE CO Ltd
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Priority to CN201320633336.2U priority Critical patent/CN203604570U/en
Application granted granted Critical
Publication of CN203604570U publication Critical patent/CN203604570U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

A novel hydraulic drive transmission comprises a gearbox, a torque converter assembly and a control valve assembly, wherein the gearbox comprises a box body and an input shaft, the torque converter assembly comprises a shell and a hydraulic torque converter, the shell is fixed to the box body, the hydraulic torque converter is arranged in the shell, the input shaft, an idler wheel shaft and an output shaft are arranged in the shell, the top end of the input shaft is connected with a turbine shaft, a first gear is arranged on the outer side wall, close to the tail and the top, of the input shaft, a third gear and a fourth gear are arranged on the outer side wall of the idler wheel shaft, a transmission gear is arranged on the outer side wall of the output shaft, the first gear is meshed with the third gear, the fourth gear is meshed with the transmission gear, the tail end of the output shaft stretches out of the box body, a threaded hole is formed in the tail end of the output shaft, and a second coupling part of a flexible coupling is connected into the threaded hole through threads. Driving axles are connected through the flexible coupling, vibration generated by an engine can be absorbed through the flexible coupling, influences of vibration on the transmission are reduced, and driving comfort is improved.

Description

A kind of novel hydrodynamic drive speed changer
Technical field:
The utility model relates to gearbox equipment technical field, relates in particular the novel hydrodynamic drive speed changer of a kind of fork truck.
Background technique:
At present, fork truck is manufactured the hydrodynamic drive speed changer in field, see shown in Fig. 1 and 2, its casing 1a and ransaxle 4a are rigidly connected, it is directly meshed with the drive bevel gear 5a of ransaxle 4a by the master bevel gear 3a on the output shaft 2a of casing 1a, thereby drive ransaxle 4a operation, it is for being rigidly connected, the vibration of motor makes the transmission part in casing 1a produce vibration and directly pass to ransaxle 4a by the drive bevel gear 5a of the master bevel gear 3a on output shaft 2a and ransaxle 4a like this, make like this road-ability bad, and easily make power main transferring elements master bevel gear 3a and dynamic bevel gear 5a damage, speed changer cannot be worked.
Meanwhile, the inching valve 6a in existing control valve assembly separates with valve body assembly 7a, and inching valve 6a is fixed on the sidewall of casing 1a, and the spatial volume of the side of speed changer increases like this, and impact is installed.
Model utility content:
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of novel hydrodynamic drive speed changer is provided, it connects ransaxle by flexible coupling, make to have started the vibration producing to absorb by flexible coupling, reduce the impact of vibration on speed changer, improve the comfort level of driving, improve the working life of speed changer.Meanwhile, the control valve assembly that it adopts inching valve to combine, control valve assembly is all fixed on casing top, and taking of the side space of minimizing speed changer, to dwindle taking of side space, thereby improves space availability ratio.
The scheme that the utility model solve the technical problem is:
A kind of novel hydrodynamic drive speed changer, comprise gearbox, torque-converters assembly and control valve assembly, described gearbox comprises casing and input shaft, described torque-converters assembly comprises housing and fluid torque converter, described housing is fixed on casing, described fluid torque converter is located in housing, in the connecting through hole that the turbine shaft sleeve of described fluid torque converter forms on the rear sidewall of housing, in described casing, be provided with input shaft, idler shaft and output shaft, input shaft, the afterbody of idler shaft and output shaft is all hinged on the rear sidewall of casing, the other end is all hinged on housing, the top of input shaft is hinged in the madial wall of connecting through hole of housing by input bearing, and be connected with turbine shaft, the close afterbody of input shaft outer side wall and top place are provided with the first gear and the second gear, on the outer side wall of idler shaft, be provided with the 3rd gear and the 4th gear, on the outer side wall of output shaft, be provided with driving gear, the first gear is meshed with the 3rd gear, the 4th gear is meshed with driving gear, the tail end of output shaft stretches out casing, it forms screw, the second shaft coupling portion of flexible coupling is screwed onto in screw.
Described control valve assembly comprises control valve assembly, and it comprises reduction valve, inching valve, trimmer valve, relief valve and shift valve, and control valve assembly is fixed on the top of casing.
Described flexible coupling structure is, on the inner side surface of the first shaft coupling portion, be fixed with left connecting body, on the inner side surface of the second shaft coupling portion, be fixed with right connecting body, intermediate buffering piece one end by hinging shaft be hinged on left connecting body, the other end is hinged on right connecting body by hinging shaft, the outboard end of the first shaft coupling portion forms the first connecting stud, the outboard end of the second shaft coupling portion forms the second connecting stud, and the second connecting stud is screwed onto in the screw of tail end of output shaft.
On the rear sidewall of the bottom of described casing, form through hole, the afterbody of output shaft by bearing hinge connection on the sidewall of through hole, its tail end stretches out in the end cap on the outer wall of bottom that through hole sleeve be fixed on casing, the madial wall elasticity of the seal ring being provided with in end cap is pressed against on the outer wall of tail end of output shaft.
The top of described housing forms connecting through hole, connecting through hole is made up of the first shoulder hole and the second shoulder hole, the first shoulder hole is on the outer inner side surface of the rear sidewall of housing, the second shoulder hole is on the inner inner side surface of the rear sidewall of housing, the diameter of the first shoulder hole is greater than the second shoulder hole, the first shoulder hole is connected with the second shoulder hole, on the madial wall of the first shoulder hole, be fixed with input bearing, the top of input shaft is fixed on the madial wall of inner ring of input bearing, the top sleeve of input shaft is in the second shoulder hole, elastic seal ring is embedded in the circular groove that the outer wall on the top of input shaft forms and elasticity is pressed against on the sidewall of the second shoulder hole.
Outstanding effect of the present utility model is:
Compared with prior art, it connects ransaxle by flexible coupling, makes to have started the vibration producing to absorb by flexible coupling, reduces the impact of vibration on speed changer, improves the comfort level of driving, improves the working life of speed changer.Meanwhile, the control valve assembly that it adopts inching valve to combine, control valve assembly is fixed on casing top, and taking of the side space of minimizing speed changer, to dwindle taking of side space, thereby improves space availability ratio.
Accompanying drawing explanation:
Fig. 1 is the structural representation of existing torque converter;
Fig. 2 be Fig. 1 change angle structural representation;
Fig. 3 is structural representation of the present utility model;
Fig. 4 is that the A-A of Fig. 3 is to result schematic diagram;
Fig. 5 is the partial enlarged drawing of Fig. 4.
Embodiment:
Embodiment, see shown in Fig. 3 to Fig. 5, a kind of novel hydrodynamic drive speed changer, comprise gearbox 100, torque-converters assembly 200 and control valve assembly 300, described gearbox 100 comprises casing 23 and input shaft 27, described torque-converters assembly 200 comprises housing 24 and fluid torque converter 25, described housing 24 is fixed on casing 23, described fluid torque converter 25 is located in housing 24, in the connecting through hole 241 that turbine shaft 251 sleeves of described fluid torque converter 25 form on the rear sidewall of housing 24, in described casing 23, be provided with input shaft 27, idler shaft 20 and output shaft 37, input shaft 27, the afterbody of idler shaft 20 and output shaft 37 is all hinged on the rear sidewall of casing 23, the other end is all hinged on housing 24, the top of input shaft 27 is hinged in the madial wall of connecting through hole 241 of housing 24 by input bearing 271, and be connected with turbine shaft 251, the close afterbody of input shaft 27 outer side walls and top place are provided with the first gear 19 and the second gear 273, the middle part of input shaft 27 is provided with friction plate 34, partition 33, clutch plunger 30 and Returnning spring 32, on the outer side wall of idler shaft 20, be provided with the 3rd gear 201 and the 4th gear 202, on the outer side wall of output shaft 37, be provided with driving gear 22, the first gear 19 is meshed with the 3rd gear 201, the 4th gear 202 is meshed with driving gear 22, the tail end of output shaft 37 stretches out casing 23, it forms screw 371, the second shaft coupling portion 361 of flexible coupling 36 is screwed onto in screw 371.
Described control valve assembly 300 comprises control valve assembly, and it comprises reduction valve 12, inching valve 7, trimmer valve 8, relief valve 13 and shift valve 9, and control valve assembly is fixed on the top of casing 23.
Described flexible coupling 36 structures are, on the inner side surface of the first shaft coupling portion 362, be fixed with left connecting body 363, on the inner side surface of the second shaft coupling portion 361, be fixed with right connecting body 364, intermediate buffering piece 365 one end by hinging shaft be hinged on left connecting body 363, the other end is hinged on right connecting body 364 by hinging shaft, the outboard end of the first shaft coupling portion 362 forms the first connecting stud 3621, the outboard end of the second shaft coupling portion 361 forms the second connecting stud 3611, the second connecting studs 3611 and is screwed onto in the screw 371 of tail end of output shaft 37.Adopt this coupling, can reduce motor and be delivered to by speed changer the vibration of ransaxle by intermediate buffering piece 365, improve the working life of road-ability and speed changer.
On the rear sidewall of the bottom of described casing 23, form through hole 231, the afterbody of output shaft 37 by bearing hinge connection on the sidewall of through hole 231, its tail end stretches out in the end cap 38 on the outer wall of bottom that through hole 231 sleeve be fixed on casing 23, the madial wall elasticity of the seal ring 381 being provided with in end cap 38 is pressed against on the outer wall of tail end of output shaft 37.
The top of described housing 24 forms connecting through hole 241, connecting through hole 241 is made up of the first shoulder hole 2411 and the second shoulder hole 2412, the first shoulder hole 2411 is on the outer inner side surface of the rear sidewall of housing 24, the second shoulder hole 2412 is on the inner inner side surface of the rear sidewall of housing 24, the diameter of the first shoulder hole 2411 is greater than the second shoulder hole 2412, the first shoulder hole 2411 is connected with the second shoulder hole 2412, on the madial wall of the first shoulder hole 2411, be fixed with input bearing 271, the top of input shaft 27 is fixed on the madial wall of inner ring of input bearing 271, the top sleeve of input shaft 27 is in the second shoulder hole 2412, elastic seal ring 272 is embedded in the circular groove 273 that the outer wall on the top of input shaft 27 forms and elasticity is pressed against on the sidewall of the second shoulder hole 2412.
Adopt elastic seal ring 272 and seal ring 381 can prevent that fluid in casing 23 from out, improving sealing.

Claims (5)

1. a novel hydrodynamic drive speed changer, comprise gearbox (100), torque-converters assembly (200) and control valve assembly (300), described gearbox (100) comprises casing (23) and input shaft (27), described torque-converters assembly (200) comprises housing (24) and fluid torque converter (25), described housing (24) is fixed on casing (23), described fluid torque converter (25) is located in housing (24), in the connecting through hole (241) that turbine shaft (251) sleeve of described fluid torque converter (25) forms on the rear sidewall of housing (24), it is characterized in that: in described casing (23), be provided with input shaft (27), idler shaft (20) and output shaft (37), input shaft (27), the afterbody of idler shaft (20) and output shaft (37) is all hinged on the rear sidewall of casing (23), the other end is all hinged on housing (24), the top of input shaft (27) is hinged in the madial wall of connecting through hole (241) of housing (24) by input bearing (271), and be connected with turbine shaft (251), the close afterbody of input shaft (27) outer side wall and top place are provided with the first gear (19) and the second gear (273), on the outer side wall of idler shaft (20), be provided with the 3rd gear (201) and the 4th gear (202), on the outer side wall of output shaft (37), be provided with driving gear (22), the first gear (19) is meshed with the 3rd gear (201), the 4th gear (202) is meshed with driving gear (22), the tail end of output shaft (37) stretches out casing (23), it forms screw (371), the second shaft coupling portion (361) of flexible coupling (36) is screwed onto in screw (371).
2. the novel hydrodynamic drive speed changer of one according to claim 1, it is characterized in that: described control valve assembly (300) comprises control valve assembly, it comprises reduction valve (12), inching valve (7), trimmer valve (8), relief valve (13) and shift valve (9), and control valve assembly is fixed on the top of casing (23).
3. the novel hydrodynamic drive speed changer of one according to claim 1, it is characterized in that: described flexible coupling (36) structure is, on the inner side surface of the first shaft coupling portion (362), be fixed with left connecting body (363), on the inner side surface of the second shaft coupling portion (361), be fixed with right connecting body (364), intermediate buffering piece (365) one end is hinged on left connecting body (363) by hinging shaft, the other end is hinged on right connecting body (364) by hinging shaft, the outboard end of the first shaft coupling portion (362) forms the first connecting stud (3621), the outboard end of the second shaft coupling portion (361) forms the second connecting stud (3611), the second connecting stud (3611) is screwed onto in the screw (371) of tail end of output shaft (37).
4. the novel hydrodynamic drive speed changer of one according to claim 1, it is characterized in that: on the rear sidewall of the bottom of described casing (23), form through hole (231), the afterbody of output shaft (37) by bearing hinge connection on the sidewall of through hole (231), its tail end stretches out in the end cap (38) on the outer wall of bottom that through hole (231) sleeve be fixed on casing (23), the madial wall elasticity of the seal ring (381) being provided with in end cap (38) is pressed against on the outer wall of tail end of output shaft (37).
5. the novel hydrodynamic drive speed changer of one according to claim 1, it is characterized in that: the top of described housing (24) forms connecting through hole (241), connecting through hole (241) is made up of the first shoulder hole (2411) and the second shoulder hole (2412), the first shoulder hole (2411) is on the outer inner side surface of the rear sidewall of housing (24), the second shoulder hole (2412) is on the inner inner side surface of the rear sidewall of housing (24), the diameter of the first shoulder hole (2411) is greater than the second shoulder hole (2412), the first shoulder hole (2411) is connected with the second shoulder hole (2412), on the madial wall of the first shoulder hole (2411), be fixed with input bearing (271), the top of input shaft (27) is fixed on the madial wall of inner ring of input bearing (271), the top sleeve of input shaft (27) is in the second shoulder hole (2412), elastic seal ring (272) is embedded in the circular groove (273) that the outer wall on the top of input shaft (27) forms and elasticity is pressed against on the sidewall of the second shoulder hole (2412).
CN201320633336.2U 2013-10-14 2013-10-14 Novel hydraulic drive transmission Expired - Lifetime CN203604570U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320633336.2U CN203604570U (en) 2013-10-14 2013-10-14 Novel hydraulic drive transmission

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320633336.2U CN203604570U (en) 2013-10-14 2013-10-14 Novel hydraulic drive transmission

Publications (1)

Publication Number Publication Date
CN203604570U true CN203604570U (en) 2014-05-21

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ID=50717244

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320633336.2U Expired - Lifetime CN203604570U (en) 2013-10-14 2013-10-14 Novel hydraulic drive transmission

Country Status (1)

Country Link
CN (1) CN203604570U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Novel hydraulic drive transmission

Effective date of registration: 20171213

Granted publication date: 20140521

Pledgee: Agricultural Bank of China Limited by Share Ltd. Xinchang county subbranch

Pledgor: ZHEJIANG ZHONGCHAI MACHINERY Co.,Ltd.

Registration number: 2017330000276

PE01 Entry into force of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20190718

Granted publication date: 20140521

Pledgee: Agricultural Bank of China Limited by Share Ltd. Xinchang county subbranch

Pledgor: ZHEJIANG ZHONGCHAI MACHINERY Co.,Ltd.

Registration number: 2017330000276

PC01 Cancellation of the registration of the contract for pledge of patent right
CX01 Expiry of patent term

Granted publication date: 20140521

CX01 Expiry of patent term