阅读说明：本技术 一种可防震的轨道交通双向变流器的安装结构 (Mounting structure of two-way current transformer of track traffic that can take precautions against earthquakes ) 是由 徐金平 杨树松 俞益 李�浩 曹明 王向阳 朱纪法 叶宏 班永婷 陈家兴 郑旺 于 2019-08-19 设计创作，主要内容包括：本发明公开了一种可防震的轨道交通双向变流器的安装结构,包括双向变流器主体、底座、减震结构和控制装置,该种设计,可实现对双向变流器主体垂直方向上的减震,通过在双向变流器主体的底面设置有减震结构,该减震结构的减震杆端部与底座上表面的凹槽连接,该种设计,可实现对双向变流器主体水平方向上的减震,通过对竖直放置盒水平方向的综合减震,可极大提高减震效果,进而延长了双向变流器主体的使用寿命,弹簧柱为竖直方向上的减震,减震结构为水平方向上的减震,两者在相互配合减震过程中,会相互掣肘,因此在减震结构上表面固定连接有求,该与球形槽滚动连接,该种设计则可实现两者间的配合,达到减震效果。(The invention discloses a shockproof mounting structure of a rail transit bidirectional converter, which comprises a bidirectional converter main body, a base, a damping structure and a control device, wherein the design can realize damping in the vertical direction of the bidirectional converter main body, the damping structure is arranged on the bottom surface of the bidirectional converter main body, the end part of a damping rod of the damping structure is connected with a groove on the upper surface of the base, the design can realize damping in the horizontal direction of the bidirectional converter main body, the damping effect can be greatly improved by comprehensively damping in the horizontal direction of a vertically placed box, the service life of the bidirectional converter main body is further prolonged, a spring column is used for damping in the vertical direction, the damping structure is used for damping in the horizontal direction, the two can mutually engage in the damping process, so the upper surface of the damping structure is fixedly connected with a demand which is in rolling connection with a spherical groove, the design can realize the cooperation between the two, and the damping effect is achieved.)

1. The utility model provides a can shockproof track traffic bidirectional converter's mounting structure, includes bidirectional converter main part (1), base (2), shock-absorbing structure (3) and controlling means (4), its characterized in that, there are base (2) bottom surface four corners of bidirectional converter main part (1) through spring post (13) elastic connection, the both sides fixedly connected with installation ear (11) of base (2), should install ear (11) through fixing bolt (12) and mounting bracket threaded connection, spherical groove has been seted up to the bottom surface intermediate position of bidirectional converter main part (1), and this spherical groove is connected with shock-absorbing structure (3).

2. The mounting structure of the two-way converter for rail transit capable of preventing vibration according to claim 1, wherein a control device (4) is arranged on a front surface of the two-way converter body (1), a direct current wiring bar (6) and an alternating current wiring bar (7) are respectively arranged below the control device (4), an electric energy core conversion area (5) is arranged in the two-way converter body (1), a cabinet door (8) hinged through a hinge (14) is arranged on a front side of the electric energy core conversion area (5), a plurality of heat dissipation devices (9) arranged at equal intervals up and down are arranged on the cabinet door (8), a buckling groove (15) is formed in a middle position of the cabinet door (8), and a lighting lamp (10) is arranged above a front side of the two-way converter body (1).

3. The mounting structure of the shockproof rail transit bidirectional converter as claimed in claim 1, wherein the shock-absorbing structure (3) comprises a rolling ball assembly (301) in rolling connection with a spherical groove, a fixed block (302) is fixed on the bottom surface of the rolling ball assembly (301), a shock-absorbing rod (303) is fixed on the peripheral side of the fixed block (302), a connecting block (304) is fixed on the other end of the shock-absorbing rod (303), the shock-absorbing rod (303) is composed of an inner rod (305) and an outer rod (306), the inner rod (305) is slidably connected to a sliding cavity (308) of the outer rod (306), and the end of the inner rod (305) is elastically connected with the inside of the sliding cavity (308) through a spring (307).

4. The mounting structure of the two-way current transformer for rail transit capable of preventing vibration according to claim 1, wherein the upper surface of the base (2) is provided with a groove (201) having a cross-shaped structure, and the connecting blocks (304) are respectively fixedly connected with one end of the inside of the corresponding groove (201).

5. The mounting structure of the two-way current transformer of rail transit that can take precautions against earthquakes according to claim 2, characterized by, that heat abstractor (9) include set up in the louvre (904) that runs through cabinet door (8), be provided with radiator (903) in this louvre (904), the front surface of this radiator (903) is fixed and is connected with a plurality of fin (902), the front side of said louvre (904) is provided with filter screen (901), the mesh diameter of this filter screen (901) is 5-10 mm.

6. The mounting structure of the two-way inverter for rail transit capable of preventing earthquake according to claim 1, wherein a plurality of control buttons (402) are provided on the control device (4), and a display screen (401) is provided under the control buttons (402).

7. The mounting structure of a track traffic bidirectional converter capable of preventing vibration according to claim 4, wherein the heat sink (903) and the heat sink (902) are made of copper or aluminum material.

Technical Field

The invention relates to the technical field of bidirectional converters, in particular to a shockproof mounting structure of a rail transit bidirectional converter.

Background

Compared with other traffic modes, the urban rail transit has the characteristics of safety, comfort, rapidness, large transportation volume, energy conservation, environmental protection and the like. However, with the expansion of the scale of road networks and the dramatic increase of passenger capacity, the total energy consumption of urban rail transit is also greatly increased, the serious problem of train braking energy waste is increasingly concerned, and in order to solve the absorption and utilization of train braking energy, the utilization modes of braking energy are actively discussed in all countries with developed rail transit in the world, and various modes such as resistance absorption, capacitance energy storage, inversion (including inversion to medium voltage and inversion to low voltage), bidirectional converters and the like are successively provided.

When the existing rail transit bidirectional converter is installed, the bidirectional converter is generally and directly fixed at an installation position through bolts, and in an earthquake-prone zone, the low-grade earthquake frequency is higher, so that the bidirectional converter is guaranteed to have higher earthquake-resistant grade, and the application range of the bidirectional converter can be improved.

Some existing shockproof measures are that a buffering and damping device composed of a plurality of springs or other buffering elastic materials is arranged on the surface of a bidirectional converter, in the actual use process, the connection position of the buffering and damping device and the bidirectional converter is found to be rigid and fixedly connected, when the buffering and damping device provides buffering forces at different angles for the bidirectional converter, certain pulling and pushing forces or bending forces can be generated at the connection position of the buffering and damping device and the bidirectional converter, and particularly, the connection position of the buffering and damping device and the bidirectional converter is easy to break when the vibration amplitude is large.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, and provides a shockproof mounting structure of a rail transit bidirectional converter, which comprises a bidirectional converter main body, a base, a damping structure and a control device, wherein four corners of the bottom surface of the bidirectional converter main body are elastically connected with the base through spring columns, mounting lugs are fixedly connected to two sides of the base and are in threaded connection with a mounting frame through fixing bolts, a spherical groove is formed in the middle of the bottom surface of the bidirectional converter main body, and the spherical groove is connected with the damping structure.

Preferably, the front surface of the bidirectional converter main body is provided with a control device, a direct current wiring bar and an alternating current wiring bar are respectively arranged below the control device, an electric energy core conversion area is arranged in the bidirectional converter main body, a cabinet door hinged through a hinge is arranged on the front side of the electric energy core conversion area, a plurality of heat dissipation devices arranged at equal intervals from top to bottom are arranged on the cabinet door, a buckling groove is formed in the middle of the cabinet door, and a lighting lamp is arranged above the front side of the bidirectional converter main body.

Preferably, shock-absorbing structure includes the spin subassembly with spherical groove roll connection, the bottom surface of spin subassembly is fixed with the fixed block, and week side of this fixed block is fixed with the shock-absorbing rod, the other end of shock-absorbing rod is fixed with the connecting block, the shock-absorbing rod comprises interior pole and outer pole, interior pole sliding connection is in the smooth chamber of outer pole to the inside elastic connection of spring and smooth chamber is passed through to the tip of interior pole.

Preferably, the upper surface of the base is provided with a groove in a cross structure, and the connecting blocks are respectively and fixedly connected with one end inside the corresponding grooves.

Preferably, the heat dissipation device comprises heat dissipation holes penetrating through the cabinet door, a heat radiator is arranged in each heat dissipation hole, a plurality of heat dissipation fins are fixedly connected to the front surface of each heat radiator, a filter screen is arranged on the front side of each heat dissipation hole, and the diameter of each mesh of each filter screen is 5-10 mm.

Preferably, a plurality of control buttons are arranged on the control device, and a display screen is arranged below the control buttons.

Preferably, the heat sink and the heat sink are both made of copper or aluminum material.

Compared with the prior art, the invention has the beneficial effects that:

1. this mounting structure of track traffic bidirectional converter that can take precautions against earthquakes, through setting up the base, the upper surface of this base passes through the bottom surface four corners elastic connection of spring post with the bidirectional converter main part, this kind of design, can realize the shock attenuation to bidirectional converter main part vertical direction is ascending, be provided with shock-absorbing structure through the bottom surface at the bidirectional converter main part, this shock-absorbing structure's shock attenuation pole tip and the groove connection of base upper surface, this kind of design, can realize the shock attenuation to bidirectional converter main part horizontal direction, through the comprehensive shock attenuation to vertical box horizontal direction of placing, can greatly improve the shock attenuation effect.

2. According to the mounting structure of the shockproof rail transit bidirectional converter, the rolling ball assembly is arranged at the joint of the damping structure and the bidirectional converter main body, when the joint of the damping structure and the bidirectional converter main body generates pulling thrust or bending force, the rolling ball assembly can convert most of the pulling thrust or bending force into kinetic energy of the rolling ball assembly through rotation, so that most of the force can be removed, and the fracture of the joint of the damping structure and the bidirectional converter main body caused by the force is prevented.

The invention makes up the defects in the background technology to a certain extent

Drawings

Fig. 1 is an overall schematic view of an installation structure of a shockproof rail transit bidirectional converter of the invention;

FIG. 2 is a schematic view of a shock-absorbing structure of a mounting structure of the shockproof rail transit bidirectional converter of the present invention;

FIG. 3 is a top view of a base of a mounting structure of a shockproof rail traffic bidirectional converter according to the present invention;

FIG. 4 is a schematic diagram of a control device of an installation structure of a shockproof rail transit bidirectional converter according to the present invention;

fig. 5 is a structural view of a heat dissipation device of an installation structure of a shockproof rail transit bidirectional converter according to the present invention.

In the figure: 1. a bidirectional converter body; 2. a base; 3. a shock-absorbing structure; 4. a control device; 5. an electrical energy core conversion zone; 6. a DC line bank; 7. an alternating current line bank; 8. a cabinet door; 9. a heat sink; 10. an illuminating lamp; 11. mounting lugs; 12. fixing the bolt; 13. a spring post; 14. a hinge; 15. buckling grooves; 201. a groove; 301. a ball assembly; 302. a fixed block; 303. a shock-absorbing lever; 304. connecting blocks; 305. an inner rod; 306. an outer rod; 307. a spring; 308. a slide chamber; 401. a display screen; 402. a control button; 901. a filter screen; 902. a heat sink; 903. a heat sink; 904. and (4) heat dissipation holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a can shockproof track traffic bidirectional converter's mounting structure, includes bidirectional converter main part 1, base 2, shock-absorbing structure 3 and controlling means 4, there is base 2 bottom surface four corners of bidirectional converter main part 1 through spring post 13 elastic connection for it is fixed with the automobile body, the both sides fixedly connected with installation ear 11 of base 2, this installation ear 11 pass through fixing bolt 12 and mounting bracket threaded connection, spherical groove has been seted up to bidirectional converter main part 1's bottom surface intermediate position, and this spherical groove is connected with shock-absorbing structure 3 for shock attenuation is carried out to the vibrations of the 1 horizontal direction of bidirectional converter main part.

Preferably, the front surface of the bidirectional converter main body 1 is provided with a control device 4, the lower side of the control device 4 is respectively provided with a direct current wiring bar 6 and an alternating current wiring bar 7, an electric energy core conversion area 5 is arranged in the bidirectional converter main body 1, a cabinet door 8 hinged through a hinge 14 is arranged on the front side of the electric energy core conversion area 5, a plurality of heat dissipation devices 9 arranged at equal intervals from top to bottom are arranged on the cabinet door 8 and used for dissipating heat generated by an electric component in the bidirectional converter main body 1 so as to prolong the service life of the electric component, a buckling groove 15 is formed in the middle position of the cabinet door 8 so as to facilitate opening of the cabinet door 8, and a lighting lamp 10 is arranged above the front side of the bidirectional converter main body 1.

Preferably, the shock absorbing structure 3 comprises a rolling ball assembly 301 in rolling connection with a spherical groove, a fixed block 302 is fixed on the bottom surface of the rolling ball assembly 301, a shock absorbing rod 303 is fixed on the peripheral side of the fixed block 302, a connecting block 304 is fixed on the other end of the shock absorbing rod 303, the shock absorbing rod 303 is composed of an inner rod 305 and an outer rod 306, the inner rod 305 is slidably connected with a sliding cavity 308 of the outer rod 306, and the end of the inner rod 305 is elastically connected with the inside of the sliding cavity 308 through a spring 307.

Preferably, the upper surface of the base 2 is provided with a cross-shaped groove 201, and the connecting blocks 304 are respectively fixedly connected with one end inside the corresponding groove 201.

Preferably, the heat dissipation device 9 includes a heat dissipation hole 904 penetrating through the cabinet door 8, a heat sink 903 is disposed in the heat dissipation hole 904, a plurality of heat dissipation fins 902 are fixedly connected to the front surface of the heat sink 903, a filter screen 901 is disposed on the front side of the heat dissipation hole 904, the diameter of a mesh of the filter screen 901 is 5-10mm, and the filter screen 901 prevents dust from entering the bidirectional converter body 1, thereby preventing the electric component from being damaged.

Preferably, a plurality of control buttons 402 are arranged on the control device 4, and a display screen 401 is arranged below the control buttons 402 and used for displaying the device data.

Preferably, the heat sink 903 and the heat sink 902 are both made of copper or aluminum material, so as to improve the heat dissipation effect.

The working principle is as follows: when in use, the shockproof mounting structure of the rail transit bidirectional converter is characterized in that the base 2 is arranged, the upper surface of the base 2 is elastically connected with four corners of the bottom surface of the bidirectional converter main body 1 through the spring columns 13, the shock absorption in the vertical direction of the bidirectional converter main body can be realized, the shock absorption structure 3 is arranged on the bottom surface of the bidirectional converter main body 1, the end part of the shock absorption rod 306 of the shock absorption structure 3 is connected with the groove 201 on the upper surface of the base 2, the shock absorption in the horizontal direction of the bidirectional converter main body 1 can be realized through the design, the shock absorption effect can be greatly improved through the comprehensive shock absorption in the horizontal direction of the vertically placed box, the service life of the bidirectional converter main body 1 is further prolonged, the ball assembly 301 is arranged at the joint of the shock absorption structure 3 and the bidirectional converter main body 1, when the joint of the shock absorption structure 3 and the bidirectional converter main body 1 generates pulling force, the ball assembly 301 can convert most of the pulling force or bending force into the kinetic energy of the ball assembly 301 by rotating, and thus most of the force can be removed, preventing the force from breaking the connection between the shock-absorbing structure 3 and the bidirectional converter body 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.