Hydraulic anchor machine braking system with two-gear speed adjustment
A speed adjustment and hydraulic braking technology, applied in the direction of ships, etc., can solve the problem of not being able to adjust the speed automatically, and achieve the effect of compact structure, sensitive action and fast response.
Active Publication Date: 2015-04-01
WUHAN MARINE MACHINERY PLANT
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Problems solved by technology
[0004] The purpose of the present invention is to provide a simple structure, high reliability, fast response speed and sensitive action for the defects and shortcomings of the existing ship windlass brake device that the anchoring speed is only one speed and cannot automatically adjust the speed. Windlass hydraulic brake system with gear speed adjustment
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[0016] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0017] see Figure 1 to Figure 3 , a windlass hydraulic brake system with two speed adjustments of the present invention, comprising a chain wheel group 1, a brake device assembly 4 is installed on one side of the chain wheel group 1, and the brake device assembly 4 includes a brake cylinder 3 and an arm The brake cylinder 3 is connected to the oil outlet A of the one-way throttle valve 7, the oil inlet of the one-way throttle valve 7 is connected to the oil inlet of the oil return check valve 8, and the oil return check valve 8 The oil outlet is connected to the working port A1 of the manual reversing valve 6, the oil inlet P1 of the manual reversing valve 6 is connected to the oil inlet check valve 5, and the oil inlet check valve 5 is connected to the working oil inlet P , the oil return port T1 of the manual reversing valve 6 is ...
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The invention provides a hydraulic anchor machine braking system with two-gear speed adjustment. A work opening (A1) of a manual steering valve (6) is connected with an oil inlet (A2) of a pilot-type decompression valve (11); an oil outlet (A3) of the pilot-type decompression valve (11) is connected with an oil inlet of a unidirectional throttling valve (7); a pilot-type oil outlet of the pilot-type decompression valve (11) is connected with an oil inlet of an electromagnetic steering valve (12); an oil outlet of the electromagnetic steering valve (12) is connected with an oil inlet of a secondary overflowing valve (13); an oil outlet (L2) of the secondary overflowing valve (13) and an oil leaking opening (L1) of the pilot-type decompression valve (11) are respectively connected with an oil tank; and an anchor chain wheel group (1) is provided with an encoding controller (2), and the input ends of the encoding controller (2) and the electromagnetic steering valve (12) are connected with each other through a signal wire. According to the hydraulic anchor machine braking system with the two-gear speed adjustment disclosed by the invention, the arrangement and connection of pipelines are simple; and the hydraulic anchor machine braking system has the advantages of flexible movement, rapid response, high reliability and compact structure.
Description
technical field [0001] The invention relates to a windlass hydraulic brake system, in particular to a windlass hydraulic brake system with two speed adjustments. Background technique [0002] At present, the braking device of various ship windlass is controlled by the spring back pressure of the balance valve on the oil return road when the motor is running, so as to control the speed of the windlass when the windlass breaks down, so as to prevent the anchor chain from falling at an overspeed under its own gravity and damage the windlass or the hull deck. , but its breakdown speed is the first gear speed, and the speed cannot be adjusted by itself. Only by designing the balance valve as an electric proportional adjustment balance valve, the back pressure of the balance valve changes with the electric proportional signal to realize the change of the anchoring speed, but the cost of the electric proportional adjustment system is high, and the cleanliness of the hydraulic oil i...
Claims
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Inventor 张玲珑熊小平任建辉王荣军徐兵张军福
Owner WUHAN MARINE MACHINERY PLANT