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Crankshaft link hydraulic motor

A hydraulic motor and crankshaft connecting rod technology, applied in the field of hydraulic motors, can solve the problems of short life, high energy consumption, and loud noise of hydraulic motors, and achieve the effect of reducing noise and energy consumption and improving service life

Inactive Publication Date: 2005-02-16
NINGBO HOYEA MACHINERY MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when crankshaft-connecting rod hydraulic motors in these prior art work, the mutual gap between the metal rollers is kept at the original initial position by frictional resistance, because the rollers are all metal parts, and both of them are very likely to be damaged under the action of external force. Mutual contact and collision, if due to the change of friction force and the change of the force of the eccentric wheel, the gap space that each roller must have cannot be guaranteed, and the rollers collide with each other, resulting in additional friction, collision and wear. Hydraulic motors have high noise, high energy consumption and short service life

Method used

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  • Crankshaft link hydraulic motor
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  • Crankshaft link hydraulic motor

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Embodiment Construction

[0008] Referring to the accompanying drawings, specific embodiments of the present invention will be described in detail.

[0009] Such as figure 1 As shown, the oil pan 30 of the crankshaft-connecting rod hydraulic motor of the present invention is fixedly connected with the housing 1 by screws, and a sealing ring 24 is installed therebetween. The oil pan is opposite. On the circumference of housing 1, 5-9 odd-numbered cavities and plunger caps 22 of the same number are evenly distributed radially in the plunger cylinder, and slidable plunger 20 is respectively housed in the plunger cylinder, and the connection between plunger 20 and connecting rod 19 The ball head is connected. The crankshaft 15 is supported by bearings 2 and 9 at both ends, and is fixed in the housing 1 and the front cover 12. The bearings 2 and 9 are respectively arranged in the bearing holes of the housing 1 and the front cover 12. The oil seal 13 prevents oil from seeping through the shaft hole of the ...

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PUM

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Abstract

The crankshaft connecting rod type hydraulic motor includes a shell body with hydraulic channel and oil disk, front cover and plunger cover which are fixed on the shell body, in the interior of the shell body the plunger-connecting rod component, crankshaft and its support bearing and oil-distributing plate connected with one end of crankshaft are mounted, in which between the connecting rod and crankshaft eccentric wheel there are rollers and bearing sleeve, and the rollers are mounted in the roller groove of cartridge, said ring cartridge is halt-and-half separated or is made into body-separated structure with several equant portions, also can be made into double-face recess structure of also can be made into single-face recess structure.

Description

technical field [0001] The invention relates to a hydraulic motor, in particular to a crankshaft connecting rod type hydraulic motor. Background technique [0002] Crankshaft connecting rod hydraulic motor is a hydraulic actuator that converts hydraulic energy into mechanical energy and outputs rotary motion. Composed of bearings, there are rollers and bearing sleeves between the plunger-connecting rod assembly and the crankshaft eccentric wheel, the mutual clearance between the metal rollers is guaranteed during assembly, and the metal rollers are distributed on the ring formed by the support ring and the crankshaft eccentric wheel In the shape space, related technologies have been disclosed in Chinese patents 97212342.3 and 98224223.9. However, when crankshaft-connecting rod hydraulic motors in these prior art work, the mutual gap between the metal rollers is kept at the original initial position by frictional resistance, because the rollers are all metal parts, and both ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F15B15/08
Inventor 翁振涛李庆
Owner NINGBO HOYEA MACHINERY MFG
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