Micro-contact inverted equipment
A backstop and micro-contact technology, applied in the conveyor control device, conveyor objects, transportation and packaging, etc., can solve the problems of friction heating and limit the rotation speed of the equipment, and achieve the effect of light weight, long life and simple structure
Inactive Publication Date: 2008-09-17
张佩龙
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AI Technical Summary
Problems solved by technology
[0008] The micro-contact backstop provided by the invention solves the technical problem that the special-shaped block (roller body) of the existing backstop rotates together with the inner sleeve, and the frictional heat causes the equipment speed to be limited
Method used
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Embodiment Construction
[0017] The present invention is realized through the following technical solutions:
[0018] The outer ring of the micro-contact backstop is a cylindrical annular sleeve, and a plurality of backstop grooves 2 are evenly distributed on the inner circle. The backstop groove is composed of the backstop arc surface 3 and the column nest 4 . The column nest 4 is a semicircular arc surface with the same diameter as the backstop roller, and is used to accommodate the backstop roller 5 in motion. The column nest 4 on the backstop groove 2 is a semicircular arc surface with the same radius r as the backstop roller, and it is tangent to the cylindrical surface of the inner ring of the backstop. The arc is (180+δ)°. Backstop arc surface 3 is eccentric O 1 Centered on R 1 is an arc surface with a radius, and the starting point a of the arc surface is the end point of the (180+δ)° arc surface of the column nest. Point b is the end point of the backstop arc surface 3 . The arc length ...
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The invention discloses a micro-contact reverse stopper, belonging to a new structure of a reverse stopping device which can prevent the transmission shaft of the transportation equipment from reversing, comprising a casing (7) of the reverse stopper, a moment arm (8), a cylindrical circular outer ring (1) and an inner ring (6) of the reverse stopper, and a reverse stopping roller (5). A plurality of reverse stopping slots are evenly distributed on the inner circle of the outer ring (1) of the reverse stopper. A free-rotating reverse stopping roller (5) is arranged in the reverse stop slots (2). The reverse slots (2) have the structural characteristics that the head is a semicircular fluting (4) and the back is a reverse stopping arc surface (3). The distance from the inner ring of the reverse stopper to the reverse stopping arc surface (3) gets gradually smaller from point a to point b. While reversing, the pressure on the reverse stopping roller gets gradually greater and the reverse stopping moment produced is also gradually greater, so that the reverse stopping can be done. The reverse stopper has the advantages of solving the technical problem of the prior reverse stopper that the rotational speed the equipment is limited by the rotation and frictional heating between the abnormal block or the cylinder and the inner sleeve, and being suitable for the transmission equipment requiring reverse stopping.
Description
technical field [0001] The invention relates to a mechanical backstop device, in particular to a rotary shaft backstop device used for lifting transportation equipment and preventing the transportation equipment from reversing. Background technique [0002] At present, the backstop can be divided into contact backstop and non-contact backstop according to the structure: [0003] 1. The contact backstop is suitable for low-speed work, and can be divided into two types according to its structure [0004] 1. Special-shaped block backstop: the backstop is a number of special-shaped blocks arranged between the inner ring and the outer ring according to certain rules. When the inner ring rotates in the forward direction, the special-shaped block contacts the inner and outer rings to make a circular motion; when the inner ring rotates in the reverse direction, the special-shaped block wedges the inner and outer rings tightly under the spring force to generate a backstop torque. ...
Claims
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IPC IPC(8): B65G43/06B65G43/00
Inventor 张新语张佩龙
Owner 张佩龙