Slurry-rotating-type turbine runner connecting rod pin limiting device
A technology of limiting device and connecting rod pin, which is applied in the direction of reaction engine, hydroelectric power generation, mechanical equipment, etc., can solve the problems of endangering the operation safety of the unit and the axial movement of the connecting rod pin, so as to ensure safety and reliability. , the effect of eliminating the safety hazard that is easily broken and failed
Inactive Publication Date: 2018-06-05
DONGFANG ELECTRIC MACHINERY
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Problems solved by technology
During the operation of the unit, due to the influence of related components manufacturing, installation quality and centrifugal force, the connecting rod pin may move outward axially, endangering the operation safety of the unit
Method used
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[0014] Below in conjunction with accompanying drawing, the present invention is described in detail.
[0015] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0016] Such as figure 1 , 2 As shown in and 3, a paddle-type water turbine runner connecting rod pin limiting device includes a limiting member and an outer ear 3 and an inner ear 4 fixedly arranged on the hydraulic turbine runner servo cylinder 2, and the connecting rod pin 5 is assembled in the pin hole of the outer ear 3 and the inner ear 4, the connecting rod pin 5 is a stepped pin, and the diameter of the matching section between the connecting rod pin 5 and the outer ear 3 pin hole is larg...
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The invention discloses a slurry-rotating-type turbine runner connecting rod pin limiting device. The slurry-rotating-type turbine runner connecting rod pin limiting device comprises a limiting part,an outer lug and an inner lug, wherein the outer lug and the inner lug are fixed to a turbine runner relay cylinder, connecting rod pins are assembled in pin holes of the outer lug and the inner lug,a clamping groove is formed in the outer lug, the lower portion of the limiting part is arranged in the clamping groove, the upper portion of the limiting part blocks the lower areas of the outer endfaces of the connecting rod pins, the limiting part is limited in the clamping groove through the connecting part and does not fall off, axial displacement force of the connecting rod pins is totallyborne by the limiting part and the clamping groove, and the connecting part does not bear the axial displacement force of the connecting rod pins. By means of the slurry-rotating-type runner connecting rod pin limiting device, the limiting part which is used for limiting axial displacement of the connecting rod pins is limited in the clamping groove through the connecting part, so that the axial displacement force in the working process of the connecting rod pins is completely borne by the limiting part and the clamping groove, the connecting part only achieves the effect of fixing the limiting part and does not bear the axial displacement force of the connecting rod pins, and the working safety and reliability of a slurry-rotating-type turbine runner are guaranteed.
Description
technical field [0001] The invention belongs to the technical field of water turbine design, and in particular relates to a limiting device for a runner connecting rod pin of a rotary paddle type water turbine. Background technique [0002] Due to assembly requirements, the connecting rod pin on the rotor servomotor cylinder of the rotary paddle type (axial flow type, tubular flow type) is generally designed as a stepped pin, which is small on the inside and large on the outside, and the connecting rod pin is assembled from the outside to the inside. During the operation of the unit, due to the influence of related components manufacturing, installation quality and centrifugal force, the connecting rod pin may move outward axially, endangering the operation safety of the unit. Contents of the invention [0003] The purpose of the present invention is to solve the above problems, to provide a rotary paddle turbine runner connecting rod that can effectively limit the axial m...
Claims
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IPC IPC(8): F03B3/14F16D1/06
CPCF03B3/145F05B2260/30F16D1/06Y02E10/20
Inventor 罗远红曾明富文树洁张小军刘润邓斗波金宗铭郭朝瑜李小兵张少辉
Owner DONGFANG ELECTRIC MACHINERY
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