Flexible drives for turnouts
A driving device and flexible technology, which is applied in the field of rail transit, can solve the problems that the service life of the electric push rod is greatly affected, and the impact of the driving device is affected, so as to achieve the effect of reducing rigid impact, reducing deflection and improving service life
Active Publication Date: 2020-06-19
BYD CO LTD
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- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
However, the components of this driving device are connected by rigid parts, and the deflection may cause the electric push rod to be subjected to radial force, and the radial force has a great impact on the service life of the electric push rod, and the driving device is seriously affected by the impact.
Method used
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Embodiment Construction
[0025] Embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.
[0026] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial", The orientation or positional relationship indicated by "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the referred device or element Must be in a particular ...
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A railroad switch flexure device comprises: two guide plates (1), between which a plurality of first push rods (2) are arranged side by side in a direction X and extending in a direction Y; two stabilizing plates (3), between which a plurality of second push rods (4) are arranged side by side in the direction X and extending in the direction Y, the stabilizing plates (3) being spaced apart from the guide plates (1) in a direction Z; a first transmission shaft (5) and a second transmission shaft (6), extending in the direction X and respectively provided with a first gear (51) and a second gear (61); a driving assembly (7), comprising a worm (71) extending in the direction Z, the worm (71) having a first meshing portion (711) engaging with the first gear (51) and a second meshing portion (712) engaging with the second gear (61); a plurality of transmission assemblies (9, 10), configured such that the worm (71) rotates the first transmission shaft (5) and the second transmission shaft (6) to drive the corresponding first push rod (2) or second push rod (4) to move in the direction Y to achieve flexure of the two guide plates (1) and the two stabilizing plates (3). A flexure-enabled railroad switch is also provided.
Description
technical field [0001] The invention relates to the technical field of rail transit, in particular to a flexible driving device for a turnout. Background technique [0002] The turnout structures in the related art mostly use electric push rods to drive the switch switches. At present, there are few optional models of electric push rods that can meet the requirements, and most of them are imported brands. The electric push rod is driven by an internal mechanical transmission (gear, synchronous belt or coupling, etc.) to drive a ball screw or a planetary roller screw to achieve linear motion. Internal parts require precise machining, assembly and regular lubrication and maintenance to ensure normal operation. Once damaged, it is difficult to repair and replace. [0003] In addition, when the train passes the turnout beam, the turnout beam will produce deflection in all directions, especially in the vertical direction. However, the components of this driving device are conn...
Claims
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IPC IPC(8): B61L5/06
CPCB61L5/065B61L5/02B61L5/06
Inventor 赵龙飞李琳娜曾浩牛茹茹
Owner BYD CO LTD