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Synchronizing joint

A technology of synchronous joints and universal joints, applied in the directions of shafts, couplings, liquid fuel engines, etc., can solve the problems of roller falling off, accidental failure, low adhesion, etc., and achieve the effect of preventing slipping and easy assembly.

Pending Publication Date: 2020-05-01
DANFOSS POWER SYSTEMS (ZHEJIANG) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

To dissolve the grease better, a lightweight grease like petroleum jelly is used, the downside is that its relatively low adhesion makes the rollers tend to come off during the assembly process
This would lead to unexpected failures in the operation of the hydrostatic bent axis axial piston unit

Method used

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Examples

Experimental program
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Embodiment Construction

[0028] figure 1 A hydrostatic bending axis axial piston unit 1 according to the invention in the form of a hydraulic motor is shown in a sectional view. The unit essentially also operates as a pump. The hydrostatic unit 1 has a cylinder block 6 mounted rotatably about its cylinder block axis 26 and having cylinder bores 7 distributed around its circumference in which a piston 5 is movable. The cylinder block 6 is mounted in the housing 11 so as to be pivotable about a pivot axis extending transversely with respect to its cylinder block axis 26 such that the cylinder block axis 26 of the cylinder block 6 forms an adjustable drive shaft axis 23 with the drive shaft 3 The drive shaft itself is fixedly mounted laterally and is freely rotatable in a drive shaft bearing 10 mounted in a housing 11 . The piston 5 is articulated on the drive flange 4 of the drive shaft 3 at a settable angle. The adjustment of the amount of displacement takes place by means of an adjustment device 9 ...

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PUM

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Abstract

A joint for the angularly adjustable drive-connection of a cylinder block and a driveshaft of a hydrostatic bent axis piston unit. The joint has a shank which is rotatable about its longitudinal axisdefining a joint axis, on both ends of the shank roller carriers project radially and basically perpendicular to the joint axis. On each roller carrier a roller is provided rotatable around a roller axis. The rollers are secured in axial direction against slipping-off of the roller carriers by means of an embossed area located axially outside of the roller on the respective distal end portion of the roller carrier.

Description

technical field [0001] The invention relates to a synchronizing joint for an angularly adjustable drive connection of a drive shaft to a cylinder block of a hydrostatic bending axis axial piston unit according to the preamble of claim 1 . The invention generally relates to a universal joint for an angular drive connection of two drive shafts according to the preamble of claim 17 . Background technique [0002] In the following, the invention is described by means of a hydrostatic bent axis axial piston unit, exemplified for the various possible uses of the universal joint. Those skilled in the art will readily find that the inventive concept is generally applicable to all kinds of universal joints for the angular drive connection of two drive shafts whose drive shaft axes are misaligned , and wherein the distance direction of the drive shaft ends facing each other changes as the angle between the drive shaft axes changes. In particular, universal joints are used in hydrost...

Claims

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Application Information

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IPC IPC(8): F04B1/2085F04B1/24F04B53/18F04B1/124F04B1/32F03C1/06F03C1/047F03C1/247F03C1/28
CPCF04B1/324F04B1/24F16D3/2055F16D3/205F16D2300/12F04B1/2085F04B1/328F16C2360/00F16D3/24Y10S464/905
Inventor 扬·维德里希豪克·马尔施比约恩·多恩特格
Owner DANFOSS POWER SYSTEMS (ZHEJIANG) CO LTD