Unilateral assembly type high-stability torsion bar joint bearing for rail transit
A rail transit, high-stability technology, applied in the field of rail transit, can solve problems such as difficulty in meeting actual use requirements, reduced bearing lubrication performance, poor sealing and dustproof performance, etc., to achieve good sealing performance, improve wear resistance, increase The effect of friction
Pending Publication Date: 2020-08-28
JIANGSU CCVI BEARING
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Problems solved by technology
The existing torsion bar joint bearings generally use standard rod end joint bearings, which have poor sealing and dustproof performance. Dust and sand particles can easily enter the lubricating surface in the bearing, resulting in a decrease in the bearing lubrication performance; the bearing contact surface has not been specially treated. As a result, the product has poor wear resistance and short service life, which is difficult to meet the actual use requirements
Method used
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[0022] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the protection scope of the present invention is not limited thereto.
[0023] Such as figure 1 As shown, the torsion bar joint bearing of the present invention includes a housing 3, an outer ring 1, an auxiliary retaining ring 4, a ball bowl 5, a spring 6, a cover plate 7, a support sleeve 15, a dust cover 10, and a spring lock ring 13 , ball pin 2.
[0024] Such as figure 2 As shown, the inner spherical surface of the asymmetric outer ring 1 is sprayed with lubricant and provided with an oil groove 16. The oil groove 16 is in the shape of an "8" cross or an "one" or an "X" cross. The oil groove 16 is filled with Lubricant, which provides continuous lubricant to the movement of the bearing. Such as figure 1 As shown, the ball pin 2 is assembled into the outer ring 1 on one side, which can expand the contact area with the bearing. The be...
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The invention provides a unilateral assembly type high-stability torsion bar joint bearing for rail transit, and belongs to the technical field of the rail transit. A ball pin is installed in an outerring, the outer ring is installed in a shell seat hole, and an auxiliary check ring is installed in a shell stepped hole to be used for preventing relative displacement between the outer ring and a shell, the abrasion resistance is improved, and noise is reduced; and a ball bowl is arranged on the upper portion of the ball pin, a cover plate is arranged in an edge covering groove of the shell, aspring between the ball bowl and the cover plate conducts clearance compensation for the bearing, the cover plate ensures that the spring has enough pre-tightening force, and therefore the needed torque is obtained. Before a sealing ring is assembled, a supporting sleeve is installed in a neck of the ball pin to prevent an upper opening part of a dustproof cover from sinking into the neck of the ball pin when the ball pin swings to the limit position; a lower opening part of the dustproof cover is in interference fit with the shell through a steel ring structure, the upper opening part is hooped through a spring locking ring, and the sealing performance is good; and a sawtooth-shaped sealing groove is formed in a lip of the dustproof cover, the portion, below the sealing groove, of the inner surface of the dustproof cover is of a sawtooth structure, friction force between the dustproof cover and the ball pin is increased, and dust can be intercepted.
Description
technical field [0001] The invention belongs to the technical field of rail transit, and in particular relates to a single-side assembled high-stability torsion bar joint bearing for rail transit. Background technique [0002] Torsion bar joint bearings are generally installed on the anti-rolling torsion bar connecting rod of high-speed trains to prevent sideslip and improve the stability and comfort of the carriage during the running of the train. The existing torsion bar joint bearings generally use standard rod end joint bearings, which have poor sealing and dustproof performance. Dust and sand particles can easily enter the lubricating surface in the bearing, resulting in a decrease in the bearing lubrication performance; the bearing contact surface has not been specially treated. As a result, the product has poor wear resistance and short service life, which is difficult to meet actual use requirements. The actual working condition of the train is the track, and there ...
Claims
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Patent Timeline
Login to View More IPC IPC(8): F16C9/04F16C23/04F16J15/52B61F5/24
CPCB61F5/24F16C9/04F16C23/043F16J15/52
Inventor 朱伟蒋学威
Owner JIANGSU CCVI BEARING