Hydraulic speed reducing device

A technology of hydraulic deceleration and rotational speed, applied in the field of hydraulic machinery, can solve the problems of increasing idling loss of hydraulic decelerator, destroying transmission structure, weakening deceleration braking effect of hydraulic decelerator, etc. The effect of changing the braking torque, changing the braking performance

Pending Publication Date: 2019-08-02
SUZHOU TESUAN ELECTROMECHANICAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the prior art, the hydraulic retarder usually does not have a speed regulating function, that is, the rotational speed of the rotor impeller is consistent with the rotational speed of the vehicle transmission shaft. For example, Chinese patent CN 105757214A discloses a hydraulic retarder, which includes a rotor impeller The working chamber, oil storage pool, heat dissipation mechanism and transmission shaft formed by the stator impeller, the vehicle drives the rotor impeller to rotate through the transmission shaft, the speed of the rotor impeller is consistent with the speed of the transmission shaft, and the braking torque of the hydraulic reducer is braking When the torque coefficient, working fluid density, gravity acceleration and effective diameter of the circulation circle are kept constant, it is usually proportional to the sq

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0034] Example one

[0035] Combine image 3 with Figure 4 As shown, the speed regulating mechanism 60 includes a first transmission gear 61 and a second transmission gear 62, wherein the first rotation shaft 20 is axially connected to the first transmission gear 61, the second rotation shaft 50 is axially connected to the second transmission gear 62, and the first transmission gear 61 is in meshing connection with the second transmission gear 62. In specific implementation, the first rotation shaft 20 drives the first transmission gear 61 to rotate, and the first transmission gear 61 further drives the second transmission gear 62 engaged with it to rotate; the second transmission gear 62 drives the second rotation shaft 50 to rotate, thereby driving the rotor The rotation of the impeller 30 causes the rotation speed of the rotor impeller 30 to be changed under the action of the first transmission gear 61 and the second transmission gear 62, thereby changing the braking torque o...

Example Embodiment

[0037] Example two

[0038] Such as Figure 5 As shown, the speed regulating mechanism 60 includes a first transmission gear 61, a second transmission gear 62, a third transmission gear, a fourth transmission gear, and a third rotation shaft, wherein the third rotation shaft is axially connected to the third transmission gear and the fourth transmission gear , The first shaft 20 is axially connected to the first transmission gear 61, and the first transmission gear 61 is in meshing connection with the third transmission gear, the second rotation shaft 50 is axially connected to the second transmission gear 62, and the second transmission gear 62 is connected to the fourth transmission Gear meshing connection.

[0039] In specific implementation, the first rotation shaft 20 drives the first transmission gear 61 to rotate, and the first transmission gear 61 further drives the third transmission gear 63 engaged with it to rotate; the second transmission gear 62 drives the third rotati...

Example Embodiment

[0041] Example three

[0042] Such as Image 6 As shown, the speed regulating mechanism 60 includes a first transmission gear 61, a second transmission gear 62, a third transmission gear, a fourth transmission gear, and a clutch. The first rotation shaft 20 is axially connected to the first transmission gear 61 and the third transmission gear. , The second shaft 50 is axially connected to the second transmission gear 62 and the fourth transmission gear, and the first transmission gear 61 is in meshing connection with the second transmission gear 62, and the third transmission gear and the fourth transmission gear are in mesh connection; further, The clutch is mounted on the second shaft 50 and is located between the second transmission gear 62 and the fourth transmission gear. It can be combined with any one of the second transmission gear 62 and the fourth transmission gear 64, or can be combined with the second transmission gear 62 and the fourth transmission gear 64. The tran...

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PUM

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Abstract

The invention discloses a hydraulic speed reducing device. The hydraulic speed reducing device comprises a shell, a first rotating shaft, and a rotor impeller, a stator impeller, a second rotating shaft and a speed adjusting mechanism integrated in the shell; a working cavity is formed between the rotor impeller and the stator impeller; the second rotating shaft is connected with the rotor impeller; the first rotating shaft is connected with the second rotating shaft through the speed adjusting mechanism; one end of the first rotating shaft is connected with an output shaft of a vehicle gearbox, and the opposite end is connected with an input shaft of a vehicle drive axle; or one end of the first rotating shaft is directly connected with the input shaft of the vehicle drive axle. The speedadjusting mechanism is integrated in the shell of the hydraulic speed reducing device to achieve the speed adjusting function; and meanwhile, through change of the mounting mode, the speed adjustingmechanism can be independently mounted on a vehicle girder without improving the structure of the vehicle gearbox to achieve the advantage of flexible installation.

Description

technical field [0001] The invention relates to the technical field of hydraulic machinery, in particular to a hydraulic deceleration device installed between a vehicle gearbox and a vehicle drive axle. Background technique [0002] For vehicles with high speed and heavy loads, and vehicles requiring short braking distance and quick response, traditional mechanical friction brakes alone cannot meet people's requirements for vehicle safety, and hydraulic retarders can safely and reliably assist vehicle braking. To make the vehicle meet the safety requirements, therefore, it is widely used in vehicles. [0003] The hydraulic reducer is a device that converts mechanical energy into liquid heat energy and has low wear and tear. It is composed of a rotor impeller, a stator impeller, and a rapid liquid filling and discharging mechanism. A working chamber is formed between the rotor impeller and the stator impeller. When working, the rotor impeller is driven by the transmission sy...

Claims

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Application Information

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IPC IPC(8): F16D57/02F16D65/78F16H1/04F16H1/22F16H3/089
CPCF16D57/007F16D57/02F16D65/78F16H1/04F16H1/22F16H3/006F16H3/089F16H2200/0034F16H2200/2033
Inventor 付凤吉宋立涛乔亚松于海刘永刚
Owner SUZHOU TESUAN ELECTROMECHANICAL TECH CO LTD
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