CN214154207U - Protective shell, shaft end power generation device and railway vehicle - Google Patents

Abstract

The utility model relates to a protecting crust, axle head power generation facility and railway vehicle, protecting crust include first housing and second housing. The first housing is used for covering the mounting seat of the shaft end power generation device and comprises a first protective panel and a first protective side plate which is connected with the first protective panel and is arranged on the circumference of the first protective panel. The first protection panel is used for being in clearance fit with the outer shell of the shaft end power generation device, and the first protection side plate is used for being sleeved on the periphery of the mounting seat. The first housing covers the mounting seat of the shaft end power generation device, and the second housing covers the positioning piece of the shaft end power generation device, so that the mounting seat and the positioning piece of the shaft end power generation device can be well protected, and the service life of the shaft end power generation device is prolonged; when the protective shell is arranged outside the shaft end power generation device, the first housing is sleeved outside the mounting seat, the second housing can be synchronously sleeved on the periphery of the positioning piece, and the protective shell is convenient to disassemble and assemble.

Description

Protective shell, shaft end power generation device and railway vehicle

Technical Field

The utility model relates to a power generation facility technical field especially relates to a protecting crust, axle head power generation facility and railway vehicle.

Background

Railway vehicles are vehicles used in the rail transportation sector to transport passengers and cargo. Railway vehicles are divided into two broad categories, passenger cars and freight cars. The existing electric equipment on the railway vehicle usually comprises a car lamp, an electric heating device, a power socket and the like, and the power consumption is not large, so that the electric equipment is usually powered by adopting vehicle-mounted energy storage type power supply equipment, or an internal combustion engine is adopted to drive a generator to supply power. For a common train, an electric traction locomotive power supply mode is adopted, namely power is supplied on a railway line along the way through a contact network.

With the increase of the demand of the user for the management and control of the railway vehicle, it is necessary to install electric equipment such as an electric pneumatic brake, an Electronic Stability Program (ESP), an intelligent monitoring device, etc. on the railway vehicle, and if only the vehicle-mounted energy storage type power supply equipment is adopted, the electric energy of the vehicle-mounted energy storage type power supply equipment is insufficient. A power generation device, which is disposed at an end of a railway vehicle axle and uses kinetic energy generated by rotational movement of the axle during running of the railway vehicle, has been developed, and the power generation device uses a manner in which a rotor assembly and a stator assembly generate relative movement to generate current to generate power. However, the power generation device is exposed during vehicle operation and is easily subjected to collision and impact of flying stones and foreign matters. In addition, a positioning piece for limiting the rotation of the connecting shaft of the stator assembly in the power generation device is not in a regular structure, and the protection effect of the rigid protection shell with the conventional design on the power generation device is poor.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to overcome the defects of the prior art, and provide a protective shell, a shaft end power generation device and a railway vehicle, which can achieve a better protective effect and prolong the service life of the shaft end power generation device.

The technical scheme is as follows: a protective shell, the protective shell comprising: the first cover shell is used for covering the mounting seat of the shaft end power generation device, the first cover shell comprises a first protective panel and a first protective side plate which is connected with the first protective panel and is circumferentially arranged on the first protective panel, the first protective panel is used for being in clearance fit with the outer shell of the shaft end power generation device, the first protective side plate is used for being sleeved on the periphery of the mounting seat, a first avoiding opening is formed in the first cover shell, and the first avoiding opening extends to the first protective panel from the first protective side plate; and the second housing is communicated with the first housing through the first avoidance port, and the second housing is used for covering and arranging the positioning piece of the shaft end power generation device.

On one hand, the protective shell is covered outside the mounting seat of the shaft end power generation device through the first housing and covered outside the positioning piece of the shaft end power generation device through the second housing, so that the mounting seat and the positioning piece of the shaft end power generation device can be well protected, and the service life of the shaft end power generation device is prolonged; on the other hand, when the protective shell is arranged outside the shaft end power generation device, the first housing is sleeved outside the mounting seat of the shaft end power generation device, the second housing can be synchronously sleeved on the periphery of the positioning piece of the shaft end power generation device, and the protective shell is convenient to disassemble and assemble.

In one of them embodiment, the protective housing still includes the third encloser, the middle part position of first protecting panel is equipped with the second that is used for the tip of connecting axle to pass and dodges the mouth, the third encloser pass through the second dodge the mouth with first encloser is linked together, the third encloser still with the second encloser is linked together, the third encloser is used for covering the locating the tip of connecting axle.

In one embodiment, the wall of the third housing is provided with reinforcing ribs; the first cover shell, the second cover shell and the third cover shell are of an integrated structure.

In one embodiment, the number of the second housing is two; the two second housings are arranged in axial symmetry with respect to the axial direction of the first housing.

In one embodiment, the second housing includes a second protective panel and a second protective side plate connected to the second protective panel, the second protective panel is used for abutting against the positioning main plate of the positioning member, and the second protective side plate is used for abutting against the positioning support plate of the positioning member.

In one embodiment, the second protection panel is detachably connected with the positioning main plate of the positioning piece through a first mounting piece.

In one embodiment, the first mount is a short terminal pin; the short tail pin penetrates through the positioning main board and the second protection panel and then is connected with the lantern ring.

In one embodiment, the first cover shell and the second cover shell are both elastic shells.

The utility model provides an axle head power generation facility, axle head power generation facility include the protecting crust, axle head power generation facility still includes: the mounting seat is used for being fixedly arranged at the end part of a vehicle axle of a vehicle and comprises a seat plate and a surrounding plate arranged around the circumferential direction of the seat plate, and the surrounding plate and the seat plate are surrounded to form a cavity; the rotor assembly comprises an outer shell, the stator assembly is arranged in the outer shell, and the outer shell is arranged in the cavity; the damping elastic block is arranged in the cavity, the outer shell is connected with the seat plate through the damping elastic block, and the limiting piece is arranged on the coaming and is abutted against the outer shell so that the damping elastic block is positioned between the seat plate and the outer shell in a pre-tightening compression state; the connecting shaft and the setting element, connecting shaft one end runs through the shell body stretches into in the shell body, the connecting shaft other end pass through the setting element be used for with the spacing cooperation of the major structure of vehicle, stator module is fixed set up in on the connecting shaft, the shell body rotationally set up in on the connecting shaft through the bearing, first housing cover is located outside the mount pad, second housing cover is located outside the setting element.

The shaft end power generation device comprises the protective shell, so that the technical effect of the protective shell is achieved. In addition, with the fixed axle head of installing in the vehicle of mount pad to and make the connecting axle pass through the spacing cooperation of the major structure of setting element and vehicle, at the vehicle operation in-process like this, the synchronous rotor subassembly that drives when axle head rotates, stator module fixes on the connecting axle and keeps static relatively with the major structure of vehicle, just so rotor subassembly rotates for stator module, thereby can utilize railway vehicles to generate electricity in the kinetic energy that axletree rotary motion produced in service. Wherein, the locating part sets up on the bounding wall and inconsistent so that damping elastic block is in between bedplate and the shell body with pretension compression state with the shell body, so on the one hand, damping elastic block can avoid the vehicle vibration in-process to cause the damage for axle head power generation facility, on the other hand, can make the rotor subassembly remain relative static with the mount pad throughout, can avoid the axial rebound of rotor subassembly, make mount pad and rotor subassembly fixed together, mount pad and rotor subassembly keep setting up with the axle center, avoid the adverse effect that axle head power generation facility operation in-process brought because of the installation is eccentric, installation stability on axle head is better, be favorable to realizing continuously stably supplying power for the consumer on the rail vehicle.

The railway vehicle comprises the shaft end power generation device, a main body structure and a vehicle shaft rotationally arranged on the main body structure, wherein a mounting seat is fixedly arranged at the end part of the vehicle shaft, and the other end of a connecting shaft is in limit fit with the main body structure through a positioning piece.

The railway vehicle comprises the protective shell, so that the technical effect of the protective shell is achieved. In addition, with the fixed axle head of installing in the vehicle of mount pad to and make the connecting axle pass through the spacing cooperation of the major structure of setting element and vehicle, at the vehicle operation in-process like this, the synchronous rotor subassembly that drives when axle head rotates, stator module fixes on the connecting axle and keeps static relatively with the major structure of vehicle, just so rotor subassembly rotates for stator module, thereby can utilize railway vehicles to generate electricity in the kinetic energy that axletree rotary motion produced in service. Wherein, the locating part sets up on the bounding wall and inconsistent so that damping elastic block is in between bedplate and the shell body with pretension compression state with the shell body, so on the one hand, damping elastic block can avoid the vehicle vibration in-process to cause the damage for axle head power generation facility, on the other hand, can make the rotor subassembly remain relative static with the mount pad throughout, can avoid the axial rebound of rotor subassembly, make mount pad and rotor subassembly fixed together, mount pad and rotor subassembly keep setting up with the axle center, avoid the adverse effect that axle head power generation facility operation in-process brought because of the installation is eccentric, installation stability on axle head is better, be favorable to realizing continuously stably supplying power for the consumer on the rail vehicle.

Drawings

Fig. 1 is a schematic structural view illustrating a shaft end power generation device according to an embodiment of the present invention installed at a shaft end;

fig. 2 is a view structural diagram of one of the protective shells according to an embodiment of the present invention;

fig. 3 is another view structural diagram of the protective shell according to an embodiment of the present invention;

fig. 4 is a view of a protective shell according to an embodiment of the present invention;

fig. 5 is a view structural diagram of one of the positioning members according to an embodiment of the present invention;

fig. 6 is another view structural diagram of the positioning element according to an embodiment of the present invention;

fig. 7 is a view of a positioning member according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a damping bushing according to an embodiment of the present invention;

fig. 9 is a structural diagram of the positioning element fixedly mounted on the connecting shaft according to an embodiment of the present invention;

fig. 10 is a schematic structural view of a shaft end power generation device according to an embodiment of the present invention;

FIG. 11 is an enlarged schematic view of FIG. 1 at A;

fig. 12 is a schematic view of another perspective structure of a shaft end power generation device according to an embodiment of the present invention;

fig. 13 is a view structural diagram of one of the vibration damping elastic blocks according to an embodiment of the present invention;

fig. 14 is another view structural diagram of the damping elastic block according to an embodiment of the present invention;

fig. 15 is a view showing another perspective structure of the vibration damping elastic block according to an embodiment of the present invention.

10. A mounting seat; 11. a seat plate; 111. a first recess; 12. enclosing plates; 121. an observation window; 122. a groove; 123. a material taking port; 13. a second mount; 21. an outer housing; 211. a first split shell; 2111. a fourth recess; 212. a second split shell; 2121. a first shaft hole; 2122. a fifth recess; 213. a flange; 2131. a second arc-shaped concave surface; 214. a second recess; 22. a first bearing; 23. a second bearing; 24. a magnet; 25. a first seal ring; 26. a second seal ring; 30. a stator assembly; 31. a positioning sleeve; 32. injection molding a coil; 40. a vibration damping elastic block; 41. a first bump; 42. a second bump; 43. a third recess; 44. a hollow-out area; 50. a limiting member; 60. a connecting shaft; 61. a first step; 62. a second step; 63. a third step; 64. a fourth step; 65. a fifth step; 66. a sixth step; 70. a positioning member; 71. positioning the main board; 711. a second shaft hole; 712. a first mounting hole; 72. positioning a support plate; 73. a damping buffer layer; 74. a vibration damping shaft sleeve; 81. an axle; 82. a body structure; 91. a first stopper plate; 92. a second stopper plate; 93. a locking member; 94. a lock washer; 95. a protective shell; 951. a first housing; 9511. a first protective panel; 9512. a first protective side plate; 9513. a first avoidance port; 9514. a second avoidance port; 952. a second housing; 9521. a second protective panel; 9522. a first protective side plate; 9523. a second mounting hole; 953. a third housing; 9531. ribs; 96. a first mounting member; 97. a collar.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

Referring to fig. 1 to 4, fig. 1 shows that the utility model discloses an axle end power generation facility of embodiment installs in the schematic structure view of axletree 81 tip, and fig. 2 shows the utility model discloses one of them visual angle structure chart of protective housing 95 of an embodiment, and fig. 3 shows the utility model discloses an another visual angle structure chart of protective housing 95 of an embodiment, fig. 4 shows the utility model discloses a protective housing 95's of an embodiment still another visual angle structure chart. An embodiment of the utility model provides a pair of protective housing 95, protective housing 95 include first housing 951 and second housing 952. The first housing 951 is used for housing the mounting seat 10 of the shaft end power generation device, and the first housing 951 comprises a first protection panel 9511 and a first protection side plate 95229512 which is connected with the first protection panel 9511 and is circumferentially arranged on the first protection panel 9511. The first protection panel 9511 is used for clearance fit with the outer shell 21 of the shaft end power generation device, and the first protection side plate 95229512 is used for sleeving the periphery of the mounting seat 10. The first housing 951 is provided with a first avoidance port 9513, and the first avoidance port 9513 extends from the first protective side plate 95229512 to the first protective panel 9511. The second housing 952 is communicated with the first housing 951 through a first avoidance port 9513, and the second housing 952 is used for covering the positioning member 70 of the shaft end power generation device.

On one hand, the protective shell 95 is covered outside the mounting base 10 of the shaft end power generation device through the first cover shell 951 and outside the positioning piece 70 of the shaft end power generation device through the second cover shell 952, so that the mounting base 10 and the positioning piece 70 of the shaft end power generation device can be well protected, and the service life of the shaft end power generation device is prolonged; on the other hand, when the protective shell 95 is installed outside the shaft end power generation device, the first housing 951 is sleeved outside the mounting seat 10 of the shaft end power generation device, and the second housing 952 can be synchronously sleeved on the periphery of the positioning member 70 of the shaft end power generation device, so that the protective shell 95 is convenient to disassemble and assemble.

Referring to fig. 1 to 4, further, the protective casing 95 further includes a third casing 953. A second avoidance port 9514 for allowing the end of the connecting shaft 60 to pass through is formed in the middle of the first protection panel 9511. The third cover case 953 is communicated with the first cover case 951 through a second avoidance port 9514, the third cover case 953 is further communicated with the second cover case 952, and the third cover case 953 is used for covering an end portion of the connecting shaft 60. Thus, the end of the connecting shaft 60 extending out of the outer shell 21 can be placed in the third housing 953, and the end of the connecting shaft 60 extending out of the outer shell 21 is protected by the third housing 953; in addition, first protective panel 9511 is owing to be equipped with the second of dodging the connecting axle 60 tip dodge mouthful 9514, just can not receive the influence of connecting axle 60, and first protective panel 9511 can be comparatively close to shell body 21 like this to improve the protective effect. In addition, since the second cover 952 is in communication with the third cover 953, the positioning member 70 is connected to the end of the connecting shaft 60 extending out of the outer housing 21 and extends to the main structure 82 of the vehicle for positioning.

Referring to fig. 4, in one embodiment, the walls of the third housing 953 are provided with ribs. The shell wall of the third shell 953 is provided with reinforcing ribs which can increase the structural strength of the third shell 953 and are not easy to break when being impacted by external force. The reinforcement may be, for example, cross ribs or other shaped ribs 9531.

Optionally, first housing 951, second housing 952, and third housing 953 are all one piece.

Note that, in infringement comparison, the "second cover case 952 and third cover case 953" may be "a part of the first cover case 951", that is, the "second cover case 952 and third cover case 953" may be integrally formed with "the other part of the first cover case 951"; an independent member that can be separated from "the other parts of the first housing 951", i.e., "the second housing 952 and the third housing 953" can be manufactured separately and then integrated with "the other parts of the first housing 951". As shown in fig. 2 to 4, in one embodiment, the "second casing 952 and the" third casing 953 "are a part of the" first casing 951 "which is manufactured by integral molding.

Referring to fig. 1 through 4, in one embodiment, there are two second shells 952. The two second housings 952 are provided axisymmetrically with respect to the axial direction of the first housing 951. Thus, the two second covers 952 can be respectively and correspondingly covered outside the two positioning support plates 72 of the positioning member 70, so as to provide a better protection effect for the two positioning support plates 72 of the positioning member 70. It should be noted that the number of the second shells 952 is not limited, and is determined according to the number of the positioning support plates 72 of the positioning member 70, and when there is one positioning support plate 72 of the positioning member 70, there is one second shell 952; when the number of the positioning support plates 72 of the positioning member 70 is three, the number of the second housings 952 is also three, and the three second housings 952 are covered on the three positioning support plates 72 in a one-to-one correspondence.

The axial direction of the first housing 951 is the same as the axial direction of the connecting shaft 60.

Referring to fig. 1 to 4, in one embodiment, the second cover 952 includes a second protection panel 9521 and a second protection side plate connected to the second protection panel 9521. The second protection panel 9521 is configured to abut against the positioning main plate 71 of the positioning member 70, and the second protection side plate is configured to abut against the positioning support plate 72 of the positioning member 70. Therefore, the size of the second cover 952 is just matched with the positioning element 70 and just sleeved outside the positioning element 70, and the gap between the wall of the second cover 952 and the positioning element 70 is small, thereby playing a better protection role for the positioning element 70.

Referring to fig. 1 and 4, in one embodiment, a second guard panel 9521 is adapted to be removably coupled to the positioning main plate 71 of the positioning member 70 via a first mounting member 96. Wherein the first mount 96 is, for example, a short terminal pin. The short terminal pin passes through the positioning main plate 71 and the second protection panel 9521 and is connected with the collar 97. Alternatively, the first mounting element 96 may be a bolt, a screw, a pin, etc., which is not limited herein. Correspondingly, a first mounting hole 712 corresponding to the first mounting member 96 is formed in the positioning main plate 71, a second mounting hole 9523 corresponding to the first mounting hole 712 is formed in the second protection panel 9521, and the first mounting member 96 passes through the first mounting hole 712 and the second mounting hole 9523 to fixedly connect the positioning main plate 71 and the second protection panel 9521 together.

Further, the first housing 951 and the second housing 952 are both elastic shells. So, the protecting crust 95 of this embodiment has certain elasticity again when having certain intensity, can bear certain impact, can produce deformation when receiving the foreign matter to collide with the strike again simultaneously to the preliminary buffering comes from foreign matters such as external flying stone to collide with and assault.

Referring to fig. 1, 10 and 11, fig. 10 shows a schematic structural diagram of a shaft end power generation device according to an embodiment of the present invention, and fig. 11 shows an enlarged schematic structural diagram of fig. 1 at a. In one embodiment, the shaft end power generation device includes the protective shell 95 of any one of the above embodiments, and further includes a mounting base 10, a rotor assembly, a stator assembly 30, a damping elastic block 40, a limiting member 50, a connecting shaft 60, and a positioning member 70. The mount 10 is used for fixing an end of an axle 81 mounted on a vehicle, and the mount 10 includes a seat plate 11 and a surrounding plate 12 disposed around a circumferential direction of the seat plate 11. The enclosure 12 encloses a chamber with the seat plate 11. The rotor assembly includes an outer housing 21. The stator assembly 30 is disposed inside the outer housing 21, and the outer housing 21 is disposed in the cavity. A damper elastomeric block 40 is disposed in the chamber. The outer housing 21 is connected to the seat plate 11 by means of a vibration-damping elastic block 40. The limiting member 50 is disposed on the enclosing plate 12 and abuts against the outer shell 21 so that the damping elastic block 40 is located between the seat plate 11 and the outer shell 21 in a pre-tightening compression state. One end of the connecting shaft 60 penetrates through the outer shell 21 and extends into the outer shell 21, and the other end of the connecting shaft 60 is used for being in limit fit with a main structure 82 of the vehicle through a positioning piece 70. The stator assembly 30 is fixedly disposed on the connecting shaft 60, and the outer housing 21 is rotatably disposed on the connecting shaft 60 through a bearing. The first housing 951 is covered outside the mounting base 10, and the second housing 952 is covered outside the positioning member 70.

The shaft end power generation device comprises the protective shell 95, so that the technical effect of the protective shell 95 is achieved. In addition, the mounting seat 10 is fixedly mounted at the end of an axle 81 of the vehicle, and the connecting shaft 60 is in limit fit with the main structure 82 of the vehicle through the positioning member 70, so that during the running process of the vehicle, the end of the axle 81 rotates to synchronously drive the rotor assembly to rotate, the stator assembly 30 is fixed on the connecting shaft 60 and keeps relatively static with the main structure 82 of the vehicle, and thus the rotor assembly rotates relative to the stator assembly 30, so that the kinetic energy generated by the rotating motion of the axle 81 during the running process of the railway vehicle can be utilized to generate electricity. Wherein, locating part 50 sets up on bounding wall 12 and contradicts with shell body 21 so that damping elastic block 40 is in between bedplate 11 and shell body 21 with pretension compression state, so on the one hand, damping elastic block 40 can avoid the vehicle vibration in-process to cause the damage for axle head power generation facility, on the other hand, can make the rotor subassembly remain relative static with mount pad 10 throughout, can avoid rotor subassembly axial rebound, make mount pad 10 and rotor subassembly fixed together, mount pad 10 and rotor subassembly keep setting up with the axle center, avoid the adverse effect that axle head power generation facility operation in-process brought because of the installation is eccentric, installation stability on axletree 81 tip is better, be favorable to realizing continuously stably supplying power for the consumer on the rail vehicle.

Referring to fig. 1, 10 and 11, further, the pre-tightening force of the damping elastic block 40 is 300N to 1500N. So, can realize that the rotor subassembly is installed comparatively steadily on mount pad 10, can guarantee that mount pad 10 and rotor subassembly keep setting up with the axle center, can avoid the adverse effect that axle head power generation facility operation in-process brought because of the installation is eccentric. In addition, it should be noted that the precompression rate of the damping elastic block 40 is generally controlled to be 5% to 25%, and when the damping elastic block 40 has a certain amount of precompression rate after being installed between the seat plate 11 and the outer housing 21, the damping elastic block 40 correspondingly generates a pre-tightening force, and the pre-tightening force is in direct proportion to the precompression rate.

Referring to fig. 10, 13 to 15, fig. 13 shows a view structure diagram of one of the view angles of the damping elastic block 40 according to an embodiment of the present invention, fig. 14 shows another view structure diagram of the damping elastic block 40 according to an embodiment of the present invention, and fig. 15 shows another view structure diagram of the damping elastic block 40 according to an embodiment of the present invention. Further, one end surface of the vibration-damping elastic block 40 is provided with a first protrusion 41, the surface of the seat plate 11 is provided with a first recess 111 adapted to the first protrusion 41, and the first protrusion 41 is disposed in the first recess 111. In addition, a second protrusion 42 is provided on the other end surface of the vibration-damping elastic block 40, a second recess 214 corresponding to the second protrusion 42 is provided on the surface of the outer housing 21, and the second protrusion 42 is provided in the second recess 214. Thus, the vibration damping elastic block 40 is stably arranged between the mounting seat 10 and the outer shell 21, the rotor assembly can be stably arranged on the mounting seat 10, the mounting seat 10 and the rotor assembly can be ensured to be coaxially arranged, and adverse effects caused by installation eccentricity in the operation process of the shaft end power generation device can be avoided. It should be noted that the number of the first protrusions 41 is not limited, and may be one, two, three or another number, and the number of the first recesses 111 corresponds to the number of the first protrusions 41. In addition, the number of the second bumps 42 is not limited, and may be one, two, three or another number.

Alternatively, the first protrusion 41 may be disposed on the surface of the seat plate 11, and the first recess 111 adapted to the first protrusion 41 may be disposed on one end surface of the damping elastic block 40, so as to achieve the effect of positioning and matching the damping elastic block 40 and the surface of the seat plate 11. Similarly, the second projection 42 may be provided on the surface of the outer housing 21, and the second recess 214 corresponding to the second projection 42 may be provided on the other end surface of the damper elastic block 40, so as to achieve the effect of positioning and fitting the damper elastic block 40 with the surface of the outer housing 21.

In one embodiment, the number of the first bumps 41 is several, and the several first bumps 41 are uniformly distributed on one end surface of the vibration damping elastic block 40 in a surrounding manner by taking the axis of the vibration damping elastic block 40 as a center; the second bumps 42 are disposed on the other end surface of the vibration-damping elastic block 40, and the second bumps 42 are uniformly arranged around the axis of the vibration-damping elastic block 40. Therefore, in the assembling process of the shaft end power generation device, the outer shell 21 can stably push the compression vibration damping elastic block 40 along the axial direction, the axial direction of the outer shell 21 is not easy to deviate from the axial direction of the mounting seat 10, and the outer shell 21 and the mounting seat 10 are ensured to be coaxially arranged.

In one embodiment, the shock absorbing elastomeric blocks 40 are wear resistant rubber blocks. Alternatively, the middle portion of the end surface of the damper elastic block 40 facing the outer housing 21 is provided with a third recess 43, and the outer housing 21 is provided with a first projection adapted to the third recess 43, the first projection being provided in the third recess 43. Like this, when adopting wear-resisting rubber piece, the heat conductivity is extremely low, plays thermal-insulated effect, avoids the heat that the rotor subassembly produced to produce the hotbox phenomenon on passing through mount pad 10 and transmitting axletree 81. It is understood that the damping elastic block 40 may also be a silicon rubber block, a plastic block, or the like elastic block, which is not limited herein. Further, since the first projection of the outer case 21 is provided in the third recess 43, the outer case 21 and the damper elastic block 40 are firmly bonded together.

In one embodiment, the mounting base 10 is fixedly mounted to the end of the axle 81 by the second mounting member 13. Alternatively, the mount 10 is fixedly bonded to the end of the axle 81. Alternatively, the mounting seat 10 is snap-fitted and fixed to the end of the axle 81. Alternatively, the mount 10 is fixed by welding to the end of the axle 81. Specifically, the second mounting member 13 may be, for example, a bolt, a pin, a rivet, a screw, or the like, which is not limited herein.

Referring to fig. 12 to 14, fig. 12 is a schematic view illustrating another perspective structure of a shaft end power generation device according to an embodiment of the present invention. Further, the second mounting member 13 is a shaft end bolt that is inserted through the seat plate 11 and is fixedly mounted to an end surface of the end portion of the axle 81. In addition, the number of the second mounting pieces 13 is plural, and the plural second mounting pieces 13 are wound around the seat plate 11 at equal intervals with the axis of the seat plate 11 as a center. In addition, the damping elastic block 40 is provided with a hollow-out area 44, the shaft end bolt is positioned in the hollow-out area 44, and the coaming 12 is provided with an observation window 121 communicated with the hollow-out area 44. Thus, on one hand, the mounting seat 10 is fixed on the end surface of the end of the axle 81 through a plurality of axle end bolts, so that the mounting seat 10 is stably installed on the end surface of the end of the axle 81; on the other hand, as the vibration-damping elastic block 40 is provided with the hollow-out area 44, when the vibration-damping elastic block is arranged in the mounting seat 10, the shaft end bolt is just positioned in the hollow-out area 44, so that the installation of the vibration-damping elastic block 40 on the mounting seat 10 is not influenced, and the installation effect of the vibration-damping elastic block 40 is more stable; in addition, because the enclosing plate 12 is provided with the observation window 121, the position of the observation window 121 is just correspondingly communicated with the position of the hollow-out area 44, so that whether the shaft end bolt at the position of the hollow-out area 44 is loosened or not can be observed, and whether the shaft end bolt is loosened or not can be judged by touching the shaft end bolt by hand.

Referring to fig. 1, 10 and 11, in one embodiment, the rotor assembly further includes a magnet 24 fixedly disposed on the outer housing 21. The stator assembly 30 includes a positioning sleeve 31 and an injection molding coil 32, the positioning sleeve 31 is fixedly disposed on the connecting shaft 60, and the injection molding coil 32 is disposed on the positioning sleeve 31. Thus, when the rotor blocking component and the stator component 30 rotate mutually, the kinetic energy generated by the rotation of the axle 81 can be utilized to generate electricity.

It is understood that the magnet 24 and the injection-molded coil 32 may be disposed in different positions, and the kinetic energy generated by the rotation of the axle 81 may be used to generate electricity.

Referring to fig. 1, 10 and 11, in one embodiment, the outer housing 21 includes a first split housing 211 and a second split housing 212 that are joined together. The first split case 211 abuts against the damping elastic block 40, and the second split case 212 abuts against the stopper 50. Thus, the first split case 211 and the second split case 212 are opened, the magnet 24 can be mounted on the inner wall of the outer case 21, and the stator assembly 30 can be mounted inside the outer case 21. In addition, since the first split case 211 is in close interference fit with the damping elastic block 40, the position of the second split case 212 in the axial direction is restricted by the stopper 50, and the first split case 211 is firmly combined with the second split case 212 by the pre-load force of the damping elastic block 40 itself. Specifically, the first split case 211 is provided with a plurality of magnets 24 at intervals around the axial center thereof, and the second split case 212 is provided with a plurality of magnets 24 at intervals around the axial center thereof.

Referring to fig. 1, 10 and 11, in one embodiment, a first sealing ring 25 is disposed at a joint portion of the first split case 211 and the second split case 212. The second split housing 212 is provided with a first shaft hole 2121 for the connection shaft 60 to pass through, a second sealing ring 26 is provided on the hole wall of the first shaft hole 2121, and the second sealing ring 26 is sleeved on the connection shaft 60. Therefore, the first sealing ring 25 and the second sealing ring 26 can ensure the sealing performance of the outer shell 21, and can prevent dust, rainwater and other impurities from entering the outer shell 21, so that the service life of the shaft section power generation device can be prolonged.

Referring to fig. 1, 10 and 11, in one embodiment, the bearing includes a first bearing 22 and a second bearing 23. A fourth recess 2111 corresponding to the first bearing 22 is provided in the middle of the inner wall surface of the first split case 211, and a fifth recess 2122 corresponding to the second bearing 23 is provided in the middle of the inner wall surface of the second split case 212. The first bearing 22 is accommodated in the fourth recess 2111, and the second bearing 23 is accommodated in the fifth recess 2122. In this way, the outer housing 21 is rotatably disposed on the connecting shaft 60 through the first bearing 22 and the second bearing 23, and the rotating effect on the connecting shaft 60 is relatively stable.

Specifically, the fourth concave portion 2111 is formed by the middle portion of the first split case 211 protruding toward the damping elastic block 40, and the fifth concave portion 2122 is formed by the middle portion of the second split case 212 protruding toward the direction away from the damping elastic block 40, so that the weights of the first and second split cases 211 and 212 can be reduced.

Referring to fig. 1, 10 and 11, in one embodiment, a flange 213 is circumferentially disposed around the outer wall of the outer casing 21, and the flange 213 is in interference fit with the inner wall of the shroud 12. In this way, the flange 213 contacts with the inner wall of the surrounding plate 12 to position the outer casing 21, so that the axis of the outer casing 21 is the same as the axis of the mounting seat 10, and the outer casing 21 can be stably mounted in the mounting seat 10.

Referring to fig. 1, 10 and 11, in one embodiment, the position-limiting member 50 is a retaining ring, a groove 122 is formed around the inner wall of the enclosure 12, the retaining ring is disposed in the groove 122, and a portion of the retaining ring protrudes out of the groove 122 and abuts against the flange 213. Thus, the retainer ring is abutted against and fixed to the flange 213, thereby limiting the movement of the outer housing 21 along the axial direction of the mounting seat 10. Specifically, the retainer ring is a wire retainer ring, a wire ring, a copper wire ring, or the like, and is not limited herein.

Referring to fig. 1, 10 and 11, the outer shell 21 illustrated in fig. 11 is not yet tightly pressed against the damper elastomeric block 40, and thus the second arcuate recessed surface 2131 has not moved to a position co-circular with the first arcuate recessed surface. In one embodiment, the axial cross-section of the retainer ring is a circular or elliptical surface. The inner wall surface of the groove 122 is a first arc-shaped concave surface and is adapted to the wall surface of the retainer ring. The part of the flange 213, which is in contact with the retainer ring, is provided with a second arc-shaped concave surface 2131, and the second arc-shaped concave surface 2131 is adapted to the wall surface of the retainer ring. Thus, the retainer ring is stably seated in the groove 122 and abuts against the flange 213 of the outer housing 21, so that the outer housing 21, the vibration damping elastic block 40 and the mounting seat 10 are stably fixed together. In addition, the retainer ring can be conveniently drawn out of the groove 122 through the material taking opening 123.

In a specific embodiment, the first curved concave surface can be, for example, a 180 degree curved concave surface with a radius of 2mm, the second curved concave surface 2131 can be, for example, a 90 degree curved concave surface with a radius of 2mm, and the first curved concave surface and the second curved concave surface 2131 can be used for installing a retainer ring with a radius of 2mm in axial cross section when they are aligned together in a corresponding split manner.

Referring to fig. 11 and 12, in one embodiment, the enclosing plate 12 is provided with a material taking opening 123, and the material taking opening 123 is communicated with the groove 122. The retainer ring is provided with a notch section. Because the retaining ring is equipped with the breach section, the retaining ring is not for the closed structure of annular like this, like this alright outwards take out the retaining ring from recess 122 through getting material mouth 123, alright like this with carry out dismouting operation to axle head power generation facility.

Furthermore, the number of the material taking ports 123 is several, and the several material taking ports 123 are wound around the enclosing plate 12 at intervals. Therefore, according to the actual situation, the limiting member 50 can be selectively taken out of the groove 122 through one of the material taking openings 123, and the operation of taking out the limiting member 50 is convenient. Specifically, the number of the material taking ports 123 is three, for example, and the three material taking ports 123 are provided around the shroud 12 at equal intervals. Of course, the number of the material taking ports 123 may be one, two, four or other numbers, which is not limited herein.

It should be noted that the position of the position limiting element 50 is changed to realize whether the position limiting element 50 limits the outer shell 21, for example, a plurality of insertion holes may be formed in the shroud 12, and the position limiting element 50 may be movably disposed in the insertion holes, and the position limiting element 50 may be arranged on the shroud 21.

Referring to fig. 1, 5 to 7, fig. 5 shows a view structure diagram of a positioning member 70 according to an embodiment of the present invention, fig. 6 shows another view structure diagram of the positioning member 70 according to an embodiment of the present invention, and fig. 7 shows another view structure diagram of the positioning member 70 according to an embodiment of the present invention. In one embodiment, the positioning member 70 includes a positioning main plate 71 and two positioning support plates 72 respectively connected to two ends of the positioning main plate 71. The positioning main plate 71 is connected with the connecting shaft 60, and the positioning support plate 72 is used for being in limit fit with a main structure 82 of the vehicle.

It should be noted that, in infringement comparison, the "positioning strip 72" may be a part of the "positioning main plate 71", that is, the "positioning strip 72" and the "other part of the positioning main plate 71" are integrally formed; or a separate member that can be separated from the other parts of the positioning main plate 71, that is, the positioning support plate 72 can be manufactured separately and then combined with the other parts of the positioning main plate 71 into a whole. As shown in fig. 5 to 7, in one embodiment, the "positioning support plate 72" is a part of the "positioning main plate 71" which is integrally formed.

Optionally, the positioning member 70 is made of, for example, a high-new engineering plastic PPE, which reduces weight while being waterproof, fireproof, and corrosion-resistant. Of course, the positioning member 70 may be made of other materials, and is not limited herein.

Referring to fig. 1, 5-7, in one embodiment, the ends of the positioning plate 72 are adapted for contacting engagement with the saddle bottom surface of the body structure 82. Like this, the tip of two location extension boards 72 and the bottom surface of bearing the saddle mutually contact the cooperation, and the saddle plays limiting displacement to two location extension boards 72 like this, avoids location extension board 72 to follow mount pad 10 and rotates.

Referring to fig. 1, 5 to 7, further, a vibration damping buffer layer 73 is disposed on an end surface of the positioning support plate 72 away from the positioning main plate 71, and the positioning support plate 72 is configured to be in contact fit with the bottom surface of the bearing saddle through the vibration damping buffer layer 73. Specifically, the vibration damping cushion layer 73 is made of, for example, vibration damping brushes, rubber, or other elastic materials. So, damping buffer layer 73 can cushion vibration and impact from the external world or on the vehicle to can guarantee the installation stability of axle head power generation facility on axletree 81 tip, be favorable to realizing for the last consumer of rail vehicle lasts stable power supply.

Referring to fig. 6, further, the thickness d of the positioning support plate 72 gradually decreases from the end connected to the positioning main plate 71 to the end where the vibration damping buffer layer 73 is located. In this manner, the positioning plate 72 is provided with a ramp structure to increase the attachment strength of the support portion of the positioning member 70.

Referring to fig. 1, 7 and 8, fig. 8 is a schematic structural diagram of a damping bushing 74 according to an embodiment of the present invention. Further, the positioning main plate 71 is provided with a second shaft hole 711 for the connection shaft 60 to pass through, a damping bushing 74 is arranged in the second shaft hole 711, and the damping bushing 74 is sleeved on the connection shaft 60. Therefore, the positioning main plate 71 is sleeved on the connecting shaft 60 through the damping shaft sleeve 74, so that vibration and impact from the outside or a vehicle are buffered through the damping shaft sleeve 74, the stability of the shaft end power generation device is improved, and the service life of the shaft end power generation device is prolonged.

Further, the outer wall surface of the damper bushing 74 conforms to the inner wall surface of the second shaft hole 711, and the inner wall surface of the damper bushing 74 conforms to the outer wall surface of the connecting shaft 60. The outer wall surface of the damper boss 74 is a non-circular surface, and the inner wall surface of the damper boss 74 is a non-circular surface. Thus, the damping bushing 74 does not rotate relative to the connecting shaft 60, the damping bushing 74 is firmly combined with the connecting shaft 60, the damping bushing 74 does not rotate relative to the positioning main plate 71, the damping bushing 74 is firmly combined with the positioning main plate 71, and the connecting shaft 60 is fixed with the positioning main plate 71. The term "non-circular surface" means not a circular surface, but any other shape may be used, for example, an oval shape, a square shape, a trapezoidal shape, a triangular shape, etc., and is not limited to these and is not intended to be listed.

Referring to fig. 9, fig. 9 is a structural diagram illustrating that the positioning member 70 of an embodiment of the present invention is fixedly installed on the connecting shaft 60. Further, the shaft end generating device further comprises a first stop plate 91, a second stop plate 92 and a locking piece 93. The connecting shaft 60 is provided with a first step 61, a second step 62 and a third step 63. The first stop plate 91 is fixedly arranged on the second step 62, one side surface of the first stop plate 91 is abutted against the first step 61, the other side surface of the first stop plate 91 is abutted against one side surface of the positioning main plate 71, the damping shaft sleeve 74 is sleeved and fixed on the second step 62, the second stop plate 92 is sleeved and fixed on the third step 63, the other side surfaces of the second step 62 and the positioning main plate 71 are all abutted against one side surface of the second stop plate 92, the other side surface of the second stop plate 92 is abutted against the locking piece 93, and the locking piece 93 is fixedly arranged on the third step 63.

Referring to fig. 9, in an embodiment, the locking member 93 is a locking nut, the locking nut is sleeved and fixed on the connecting shaft 60, and the shaft-end power generation device further includes a lock washer 94 disposed between the second stop plate 92 and the locking nut. It should be noted that the locking member 93 is not limited to a locking nut, and may be other members that can be used to fix the position of the second stopper plate 92 on the connecting shaft 60.

Referring to fig. 1, 9 and 11, a fourth step 64 and a fifth step 65 are further disposed on the connecting shaft 60. The fourth step 64, the fifth step 65, the first step 61, the second step 62, and the third step 63 are sequentially arranged along the axial direction of the connecting shaft 60. The first bearing 22 is sleeved on the fourth step 64, the positioning sleeve 31 is sleeved on the fifth step 65, and the second bearing 23 is sleeved on the first step 61. In this way, the first bearing 22, the positioning sleeve 31, and the second bearing 23 can be prevented from moving in the axial direction of the connecting shaft 60. Further, the connecting shaft 60 is further provided with a sixth step 66 located between the fifth step 65 and the first step 61, the step surfaces of the fourth step 64, the fifth step 65 and the sixth step 66 are gradually far away from the axis of the connecting shaft 60, and the step surfaces of the sixth step 66, the first step 61, the second step 62 and the third step 63 are gradually close to the axis of the connecting shaft 60. One side surface of the sixth step 66 is abutted against the positioning sleeve 31, and the other side surface of the sixth step 66 is abutted against and matched with the second bearing 23.

Referring to fig. 1 again, in one embodiment, a railway vehicle comprises the shaft end power generation device of any one of the above embodiments, and further comprises a main body structure 82 and a shaft 81 rotatably arranged on the main body structure 82. The mounting seat 10 is fixedly mounted on the end of the axle 81, and the other end of the connecting shaft 60 is in limit fit with the main structure 82 through the positioning member 70.

The railway vehicle comprises the protective shell 95, so that the technical effect of the protective shell 95 is achieved. In addition, the mounting seat 10 is fixedly mounted at the end of an axle 81 of the vehicle, and the connecting shaft 60 is in limit fit with the main structure 82 of the vehicle through the positioning member 70, so that during the running process of the vehicle, the end of the axle 81 rotates to synchronously drive the rotor assembly to rotate, the stator assembly 30 is fixed on the connecting shaft 60 and keeps relatively static with the main structure 82 of the vehicle, and thus the rotor assembly rotates relative to the stator assembly 30, so that the kinetic energy generated by the rotating motion of the axle 81 during the running process of the railway vehicle can be utilized to generate electricity. Wherein, locating part 50 sets up on bounding wall 12 and contradicts with shell body 21 so that damping elastic block 40 is in between bedplate 11 and shell body 21 with pretension compression state, so on the one hand, damping elastic block 40 can avoid the vehicle vibration in-process to cause the damage for axle head power generation facility, on the other hand, can make the rotor subassembly remain relative static with mount pad 10 throughout, can avoid rotor subassembly axial rebound, make mount pad 10 and rotor subassembly fixed together, mount pad 10 and rotor subassembly keep setting up with the axle center, avoid the adverse effect that axle head power generation facility operation in-process brought because of the installation is eccentric, installation stability on axletree 81 tip is better, be favorable to realizing continuously stably supplying power for the consumer on the rail vehicle.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Claims (10)

1. A protective case, comprising:

the first cover shell is used for covering the mounting seat of the shaft end power generation device, the first cover shell comprises a first protective panel and a first protective side plate which is connected with the first protective panel and is circumferentially arranged on the first protective panel, the first protective panel is used for being in clearance fit with the outer shell of the shaft end power generation device, the first protective side plate is used for being sleeved on the periphery of the mounting seat, a first avoiding opening is formed in the first cover shell, and the first avoiding opening extends to the first protective panel from the first protective side plate;

and the second housing is communicated with the first housing through the first avoidance port, and the second housing is used for covering and arranging the positioning piece of the shaft end power generation device.

2. The protective shell according to claim 1, further comprising a third housing, wherein a second avoiding opening for allowing the end of the connecting shaft to pass through is formed in the middle of the first protective panel, the third housing is communicated with the first housing through the second avoiding opening, the third housing is further communicated with the second housing, and the third housing is used for covering the end of the connecting shaft.

3. The containment shell of claim 2, wherein the wall of the third housing shell is provided with reinforcing ribs; the first cover shell, the second cover shell and the third cover shell are of an integrated structure.

4. The protective case of claim 1, wherein the second housing piece is two; the two second housings are arranged in axial symmetry with respect to the axial direction of the first housing.

5. The protective shell according to claim 1, wherein the second housing comprises a second protective panel and a second protective side plate connected to the second protective panel, the second protective panel is configured to abut against the positioning main plate of the positioning member, and the second protective side plate is configured to abut against the positioning support plate of the positioning member.

6. The protective case of claim 5, wherein the second protective panel is configured to be removably coupled to the positioning main plate of the positioning member via a first mounting member.

7. The protective case of claim 6, wherein the first mounting member is a short terminal pin; the short tail pin penetrates through the positioning main board and the second protection panel and then is connected with the lantern ring.

8. The protective case of any one of claims 1 to 7, wherein the first and second housings are both resilient cases.

9. An axial end power plant, characterized in that the axial end power plant comprises a protective shell according to any one of claims 1 to 8, and the axial end power plant further comprises:

the mounting seat is used for being fixedly arranged at the end part of a vehicle axle of a vehicle and comprises a seat plate and a surrounding plate arranged around the circumferential direction of the seat plate, and the surrounding plate and the seat plate are surrounded to form a cavity;

the rotor assembly comprises an outer shell, the stator assembly is arranged in the outer shell, and the outer shell is arranged in the cavity;

the damping elastic block is arranged in the cavity, the outer shell is connected with the seat plate through the damping elastic block, and the limiting piece is arranged on the coaming and is abutted against the outer shell so that the damping elastic block is positioned between the seat plate and the outer shell in a pre-tightening compression state;

the connecting shaft and the setting element, connecting shaft one end runs through the shell body stretches into in the shell body, the connecting shaft other end pass through the setting element be used for with the spacing cooperation of the major structure of vehicle, stator module is fixed set up in on the connecting shaft, the shell body rotationally set up in on the connecting shaft through the bearing, first housing cover is located outside the mount pad, second housing cover is located outside the setting element.

10. A railway vehicle, characterized in that the railway vehicle comprises the shaft end power generation device as claimed in claim 9, and further comprises a main structure and a shaft rotatably arranged on the main structure, the mounting seat is fixedly arranged at the end part of the shaft, and the other end of the connecting shaft is in limit fit with the main structure through the positioning piece.

Images