Screen frame and screen bed separated double-plastid near resonance screen

A near-resonance, two-mass technology, applied in the direction of solid separation, filter screen, grid, etc., can solve the problems of rising device costs, achieve high strength and reliability, reduce motor power, and simplify the structure

CN103394462AActive Publication Date: 2013-11-20CHENGDU WEST PETROLEUM EQUIP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2013-11-20

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Abstract

The invention discloses a screen frame and screen bed separated double-plastid near resonance screen which comprises a screen bed (1) and a screen frame (2), wherein main vibration springs (6) are arranged between the screen bed (1) and the screen frame (2); the screen bed (1) is mounted on the ground by isolation springs (8); exciting vibration motors (9) are mounted on the screen frame (2); the screen frame (2) consists of side plates (3) and transverse beams (4); the main vibration springs (6) are arranged between connecting seats (5) of the side plates (3) and the screen bed (1); and the exciting vibration motors (9) are mounted on the transverse beams (4). The double-plastid near resonance screen has the benefits that the screen frame serves as an exciting vibration body, so that the double-plastid near resonance screen has no extra metal consumption, and a purpose that totally consumed steel is reduced greatly under the same design function parameter; the screen frame serves as an exciter, so that the vibration strength is less, and the structural strength is high in reliability; the double-plastid near resonance screen is designed based on a principle of double-plastid near resonance, and is a large-scale rectilinear vibration screen; the power consumption is less; and an impact of equipment on a foundation is smaller.
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Description

technical field

[0001] The invention relates to the technical field of vibrating screening devices, in particular to a two-mass near-resonant screen in which a screen frame and a screen bed are separated, which is a large linear vibrating screen. Background technique

[0002] Large-scale linear vibrating screens are widely used in the screening of various materials, and the effective area of ​​the largest type of sieve bed is up to 3m×7.2m. Large-scale linear vibrating screens have large horizontal spans, heavy equipment, greater power requirements, and high structural strength requirements. Its common structural form is to install the motor on the ground or a fixed support, and transmit the power to the eccentric excitation device installed on the screen box through the transmission device, and the two sets of eccentric devices are synchronized through mechanical connection.

[0003] The small and medium-sized linear vibrating screen can directly install two excitation mot...

Examples

Embodiment Construction

[0024] The present invention will be further described below in conjunction with accompanying drawing, protection scope of the present invention is not limited to the following:

[0025] Such as figure 1 As shown, a two-mass near-resonance screen in which the sieve frame and the sieve bed are separated, it includes a separated sieve bed 1 and a sieve frame 2, the sieve frame 2 is arranged above the sieve bed 1, and the sieve bed 1 and the sieve frame 2 are jointly A sieve box is formed, a main vibration spring 6 is arranged between the sieve bed 1 and the sieve frame 2, the sieve bed 1 is installed on the ground through a vibration isolation spring 8, and an excitation motor 9 is installed on the sieve frame 2.

[0026] The sieve frame 2 is composed of two side plates 3 and beams 4 connecting the two side plates 3 at both ends, the side plates 3 are arranged on the edge of the sieve bed 1 and are parallel to the edge of the sieve bed 1, and the side plates 3 are perpendicular ...