Damper spring inerter power generation device of train bogie

Abstract

The utility model discloses a damper spring inerter power generation device of a train bogie, which comprises an axle box framework and an upper framework, the axle box framework and the upper framework are directly provided with a plurality of groups of outer damper springs, the top of the axle box framework is provided with a stroke outer pipe, the bottom of the axle box framework is provided with a stroke inner pipe, and the stroke inner pipe is inserted into the stroke outer pipe in a sliding fit manner. A power generation device is arranged in the stroke inner pipe, an inerter is arranged at the top of the upper framework and comprises a ball screw, the ball screw penetrates through the upper framework and is inserted into the power generation device of the stroke inner pipe, and the inerter is matched with the power generation device to convert linear motion into rotary motion for power generation. The power generation function is also realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of inertial mass spring power generation devices, in particular to a kind of train bogie's damping spring inertial mass power generation device. BACKGROUND

[0002] Inertial mass container is the relative displacement of two end points is converted into the rotation of flywheel, plays the effect of vibration isolation. With the rapid development of China's rail vehicle technology, high-speed train, urban rail vehicle, locomotive vehicle technology continues to mature. Bogie is the running gear of rail vehicle, is one of the most core components of rail vehicle. Various parameters of bogie also directly determine the stability of vehicle and the ride comfort of vehicle.

[0003] The existing bogie damping mechanism is mostly spring and damping, which has been widely applied, but there is no mature structure and equipment for energy conversion and collection of vibration. Chinese patent 201310438274.4 proposes a simple and feasible mechanical vibration isolation structure to improve the performance of suspension, but the application of inertial mass container to vehicle bogie and the energy conversion of part of vibration cannot realize the full use of energy due to the characteristics of high frequency and short stroke of vehicle. UTILITY MODEL CONTENT

[0004] In view of the problems mentioned in the background art, the purpose of the utility model is to provide a kind of train bogie's damping spring inertial mass power generation device, which is compact in structure, easy to install, and high in reliability, which not only reduces vibration, but also has power generation function.

[0005] The above technical purpose of the utility model is realized by the following technical scheme:

[0006] The application discloses a kind of train bogie's damping spring inertance power generation device, including axle box frame and upper frame, multiple groups of outer damping springs are equipped between axle box frame and upper frame, the top of axle box frame is equipped with stroke outer tube, the bottom of axle box frame is provided with stroke inner tube, stroke inner tube is inserted into stroke outer tube with sliding fit, and power generation device is equipped in stroke inner tube, the top of upper frame is equipped with inertance container, inertance container includes ball screw, ball screw is inserted into the power generation device of stroke inner tube through upper frame, and inertance container and power generation device are cooperated to convert linear motion into rotary motion to generate electricity.The reciprocating stroke of reset spring compression and rebound, ratchet rotor rotates in two directions constantly switches, since ratchet device exists, permanent magnet keeps clockwise rotation, and the direction of cutting magnetic induction line remains unchanged;A circle of retaining wall is equipped in stroke inner tube, fixed chamber is formed above retaining wall, and power generation device is arranged in fixed chamber, power generation device includes ratchet rotor, permanent magnet and armature winding, armature winding is fixed on the inner wall of stroke inner tube, permanent magnet is coaxially arranged in the inner ring of armature winding, ratchet rotor is clamped and fixed in the inner ring of permanent magnet, ball screw of inertance container is inserted into ratchet rotor, and the inner thread of ratchet rotor is engaged with the outer thread of ball screw through ball bearing.

[0007] Inertance container drives ratchet rotor to rotate in two directions, ratchet device makes permanent magnet rotate in one direction, the magnetic field generated by permanent magnet changes, armature winding cuts magnetic induction line to generate electric energy, so that the purposes of power generation and damping are achieved.

[0008] Further, inner damping spring is arranged in stroke outer tube, and the inner damping spring is arranged between retaining wall and axle box frame;Two air dampings are further arranged in stroke outer tube, and the two air dampings are arranged at the two ends of inner damping spring respectively, so that the multiple damping effects are achieved.

[0009] Further, the inertance container includes an upper housing arranged on the top of the upper frame, the ball screw is arranged in the upper housing, and a reset spring is arranged on the top of the ball screw.

[0010] Further, the axle box frame is used for connecting wheels.

[0011] Further, the bottom of the ball screw extends downward to be fixedly connected with the axle box frame.

[0012] Further, the power generation device further includes an energy storage device, a rectifier and a voltage regulator, the output end of the armature winding is electrically connected with the input end of the rectifier, the output end of the rectifier is electrically connected with the input end of the voltage regulator, and the output end of the voltage regulator is connected with at least one of a power storage device or a vehicle electrical equipment.

[0013] To sum up, the application mainly has the following beneficial effects:

[0014] The utility model discloses the application of inertial container and ratchet device to vehicle bogie, has the characteristics of compact structure, convenient installation, high reliability, adapt to train vibration frequency is high, the stroke is short, realizes the relative displacement of two ends of inertial container because of vibration and converts into single -direction rotation and is used to generate electricity.

[0015] The application can not only play good buffering and damping effect, but also convert kinetic energy into electric energy output or storage, realize the combination of inertial container, power generation device and ratchet device. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the vertical direction section view of the utility model;

[0017] Figure 2 It is the power generation device horizontal direction section view of the utility model;

[0018] Figure 3 It is the assembly drawing of the utility model.

[0019] Reference signs: axle box frame 1, stroke outer tube 2, outer damping spring 3, power generation device 4, upper frame 5, inertial container 6, inner damping spring 7, stroke inner tube 8, ball bearing 9, air damping 10, wheel 11, ratchet rotor 41, permanent magnet 42, armature winding 43, retaining wall 44, ball screw 61, return spring 62. DETAILED DESCRIPTION

[0020] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model is further explained in detail below in combination with the drawings and specific embodiments.

[0021] In the description of the embodiment of the utility model, the term "include", "contain" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes the elements inherent to such process, method, article or device. Without more limitation, the element defined by the sentence "including a …" does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0022] Reference Figure 1 And Figure 2The vibration damping spring inertance power generation device of the train bogie of the embodiment comprises a shaft box frame 1 and an upper frame 5, a plurality of groups of outer vibration damping springs 3 are arranged between the shaft box frame and the upper frame, the top of the shaft box frame is provided with a stroke outer tube 2, the bottom of the upper frame 5 is provided with a stroke inner tube 8, the stroke inner tube 8 is inserted into the stroke outer tube 2 in sliding fit, the stroke inner tube is provided with a power generation device 4, the top of the upper frame 5 is provided with an inertance container, the inertance container comprises a ball screw 61; the lower end of the ball screw 61 is fixedly arranged at the bottom end of the inner cavity of the stroke outer tube 2, the ball screw 61 passes through the power generation device of the stroke inner tube 8, the upper frame 5 in sequence upwards, and the inertance container and the power generation device cooperate to convert linear motion into rotary motion for power generation.

[0023] A circle of blocking walls 44 is arranged in the stroke inner tube, a fixed cavity is formed above the blocking walls, the power generation device is arranged in the fixed cavity, the power generation device comprises a ratchet wheel rotor 41, a permanent magnet 42 and an armature winding 43, the armature winding is fixed on the inner wall of the stroke inner tube, the permanent magnet is coaxially arranged in the inner circle of the armature winding, the ratchet wheel rotor is clamped and fixed in the inner circle of the permanent magnet, the ball screw 61 of the inertance container passes through the central axis of the ratchet wheel rotor, and the inner thread of the ratchet wheel rotor and the outer thread of the ball screw are engaged through a ball bearing.

[0024] The inertance container drives the ratchet wheel rotor to rotate in both directions, thereby driving the permanent magnet to rotate in one direction, the magnetic field generated by the permanent magnet changes, the armature winding cuts the magnetic induction lines to generate electric energy, so that the purposes of power generation and damping are achieved.

[0025] Specifically, the spring reset spring, the ball screw moves upwards to drive the ratchet wheel rotor to rotate clockwise through the ball, thereby driving the permanent magnet to rotate clockwise to cut the magnetic induction lines; the reset spring is elongated, the ball screw moves downwards to drive the ratchet wheel rotor to rotate counterclockwise through the ball, and the permanent magnet still rotates clockwise due to inertia because the ratchet device runs reversely and idles.

[0026] The stroke outer tube is provided with inner vibration damping springs 7, the inner vibration damping springs are arranged between the blocking walls and the shaft box frame; the stroke outer tube is also provided with two air dampings 10, the two air dampings are arranged at the two ends of the inner vibration damping springs respectively, so that the multiple damping effects are achieved.

[0027] The inertance container comprises an upper shell arranged on the top of the upper frame, the ball screw is arranged in the upper shell, and the top of the ball screw is provided with a reset spring.

[0028] The shaft box frame 1 is used for connecting wheels 11.

[0029] In the preferred embodiment, the device further comprises an energy storage device, a rectifier and a voltage regulator, the output end of the armature winding is electrically connected with the input end of the rectifier, the output end of the rectifier is electrically connected with the input end of the voltage regulator, and the output end of the voltage regulator is connected with at least one of the power storage device or the vehicle-mounted electrical equipment. The power generated by the power generation device is rectified and stabilized, and is provided to the power storage device or directly transmitted to the vehicle-mounted electrical equipment.

[0030] The inertial container and the ratchet device are applied to the vehicle bogie, have the characteristics of compact structure, convenient installation, high reliability, high train vibration frequency adaptation, short stroke, realize the relative displacement of two ends of the inertial container due to vibration into single direction rotation and be used for generating electricity.

[0031] In the preferred embodiment, the energy storage device of the device is fixed in the upper frame. The bottom of the ball screw of the device extends downward to be fixedly connected with the axle box frame.

[0032] Although the preferred embodiments of the present application have been described, those skilled in the art can make further changes and modifications to the embodiments once they know the basic inventive concept. Therefore, the appended claims are intended to be interpreted as including all the preferred embodiments and all the changes and modifications falling within the scope of the present application.

[0033] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application also intends to include these modifications and variations.

Claims

1. A vibration reduction spring inerter power generation device of a train bogie, comprising an axle box frame (1) and an upper frame (5), a plurality of groups of outer vibration reduction springs (3) are arranged between the axle box frame (1) and the upper frame (5), characterized in that, The top of the axle box frame (1) is provided with stroke outer tube (2), the bottom of the axle box frame (1) is provided with stroke inner tube (8), the stroke inner tube (8) is inserted into the stroke outer tube (2) in sliding fit, the stroke inner tube (8) is provided with power generation device (4), the top of the upper frame (5) is provided with inerter (6), the inerter (6) includes ball screw (61), the ball screw (61) is inserted into the power generation device (4) of the stroke inner tube (8) through the upper frame (5), the inerter (6) and the power generation device (4) cooperate to convert linear motion into rotary motion to generate electricity; The stroke inner tube (8) is provided with a circle of retaining wall (44), the retaining wall (44) forms a fixed chamber above, the power generation device (4) is arranged in the fixed chamber, the power generation device (4) includes ratchet rotor (41), permanent magnet (42) and armature winding (43), the armature winding (43) is fixed on the inner wall of the stroke inner tube (8), the permanent magnet (42) is coaxially arranged in the inner ring of the armature winding (43), the ratchet rotor (41) is clamped and fixed in the inner ring of the permanent magnet (42), the ball screw (61) of the inerter (6) is inserted into the ratchet rotor (41), the inner thread of the ratchet rotor (41) and the outer thread of the ball screw (61) are engaged through the ball bearing (9).

2. The inerter generator of claim 1, wherein, The stroke outer tube (2) is provided with inner damping spring (7), the inner damping spring (7) is pressed between the retaining wall (44) and the axle box frame (1).

3. The inerter generator of claim 2, wherein the inerter generator is a train bogie inerter generator. The stroke outer tube (2) is also provided with two air dampers (10), two air dampers (10) are arranged at both ends of the inner damping spring (7) respectively.

4. The inerter generator of claim 1, wherein the inerter generator is a train bogie inerter generator. The inerter (6) includes an upper housing arranged on the top of the upper frame (5), the ball screw (61) is arranged in the upper housing, and the top of the ball screw (61) is provided with a reset spring (62).

5. The inerter generator of claim 1, wherein the inerter generator is a train bogie inerter generator. The axle box frame (1) is used for connecting wheels.

6. The train bogie vibration damping spring inerter power generation device according to claim 1, wherein, It also includes an energy storage device, a rectifier and a voltage regulator, the output end of the armature winding (43) is electrically connected with the input end of the rectifier, the output end of the rectifier is electrically connected with the input end of the voltage regulator, and the output end of the voltage regulator is connected with at least one of a power storage device or a vehicle-mounted electrical equipment.

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