Crane with power-off reverse rotation preventing device
An anti-reversal, crane technology, applied in the direction of safety devices, transportation and packaging, load suspension components, etc., can solve problems such as failure of crane motor brake system, threat to personal safety, engineering accidents, etc.
Pending Publication Date: 2021-07-06
CHANGZHOU UNIV
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Problems solved by technology
[0002] The braking system of the crane motor fails. When the crane is hoisting heavy objects and the power is cut off, the winding wheel will rotate in reverse, which will cause engineering accidents and even threaten personal safety.
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[0018] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0019] see figure 1 , a crane with a power-off anti-reversal device according to the present invention, it includes a frame plate 1, a winding wheel 5 mounted on the frame plate 1 is rotated, one end is connected with the winding wheel 5, and the other end is connected with a heavy object The wire rope 4 also includes a power-off anti-reverse device in addition.
[0020] see figure 1 , the rack plate 1 is provided with a linear translation shaft chute 10 along the vertical direction.
[0021] see figure 1 , the power-off anti-reverse device includes: a synchronous gear 21 installed coaxially with the winding wheel 5 and rotated synchronously, a stepped gear 23 mounted on the frame plate 1 for rotation, and a locking mechanism fixedly mounted on the stepped gear 23 Rod 231, fixedly installed on the frame plate 1, and respectively l...
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The invention discloses a crane with a power-off reverse rotation preventing device, and belongs to the technical field of cranes. The crane comprises a machine frame plate, a winding wheel which is rotationally arranged on the machine frame plate, a steel wire rope with one end connected with the winding wheel and the other end connected with a heavy object, and further comprises the power-off reverse rotation preventing device, a linear type horizontal movement shaft sliding groove is formed in the machine frame plate in the vertical direction, and the power-off reverse rotation preventing device comprises a synchronous gear, a stepped gear, a locking rod, a reverse stop block, a forward positioning block, a rubber impact column, a spring balance pad, a tension and compression spiral spring, a clutch gear, a connecting rod A, a connecting rod B and a clutch spring. The crane with the power-off reverse rotation preventing device is simple and reasonable in structure, realizes position and working condition conversion of a horizontal movement shaft according to the rotation direction of the winding wheel, and can quickly absorb reverse rotation energy of the winding wheel.
Description
technical field [0001] The invention mainly relates to the technical field of cranes, in particular to a crane with a power-off anti-reverse device. Background technique [0002] The braking system of the crane motor fails. When the crane is hoisting heavy objects and the power is cut off, the winding wheel will rotate in reverse, causing engineering accidents and even threatening personal safety. Since the turning direction of the winding wheel when lifting the heavy object is opposite to the direction driven by the heavy object after the power is cut off, there is a large sudden acceleration and impact force. Therefore, it is of practical value to design a crane that can quickly absorb the reverse energy and quickly brake after a power failure. Contents of the invention [0003] The technical problem to be solved in the present invention is: aiming at the technical problems existing in the prior art, the present invention provides a simple and reasonable structure, whic...
Claims
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Login to View More IPC IPC(8): B66C15/00
CPCB66C15/00
Inventor 班书昊李晓艳蒋学东徐然
Owner CHANGZHOU UNIV