阅读说明：本技术 一种新型牵引电动机联线结构及绑扎方法 (Novel traction motor line connecting structure and binding method ) 是由 卢文冠 李训虎 谢元仲 温乐平 黄宇峰 冉继强 于 2021-06-29 设计创作，主要内容包括：本发明涉及电动机技术领域,具体涉及一种新型牵引电动机联线结构及绑扎方法,本发明将多个汇流环设置在一个平面上,减小了轴向空间；采用绑扎件和单独设计的绝缘件分步绑扎解决绑扎难的问题,并达到一体化效果,且联线重量小、抗冲击能力强,电动机在进行工作后牵引性能更好。(The invention relates to the technical field of motors, in particular to a novel traction motor wiring structure and a binding method, wherein a plurality of collector rings are arranged on a plane, so that the axial space is reduced; the problem of difficult binding is solved in the insulator ligature step by step that adopts binding piece and independent design to reach the integration effect, and the line weight is little, shock resistance is strong, and the motor traction performance is better after carrying out work.)

1. The utility model provides a novel traction motor line structure which characterized in that: the device comprises a plurality of collecting rings coaxially arranged on the same plane, wherein the plurality of collecting rings are connected into a whole through a plurality of first binding structures arranged along the circumference and are fixed through a plurality of second binding structures arranged along the circumference; the first binding structure comprises a first insulating piece (7) arranged between two adjacent collector rings, and a plugging felt (6) is arranged between the first insulating piece (7) and the collector rings; the first binding structure further comprises a binding piece (5), wherein the binding piece (5) is wound on the bus ring along the radial direction and binds the bus ring, the first insulating piece (7) and the plugging felt (6) into a whole.

2. The novel traction motor wiring structure according to claim 1, characterized in that: the second binding structure comprises a support frame (10) arranged on one side of the bus ring and a second insulating piece (8) arranged on the other side of the bus ring, and an insulating sleeve piece (9) is arranged on the support frame (10); the collector ring is clamped by the support frame (10) and the second insulating piece (8), and the support frame (10) and the second insulating piece (8) are provided with the binding pieces (5) and binding bands which are wound on the second insulating piece (8) and the support frame (10) along the circumferential axial direction.

3. The novel traction motor wiring structure according to claim 2, characterized in that: the second binding structure further comprises a fixed support fixedly connected with the traction motor, and the support frame (10) is fixedly connected with the fixed support.

4. The novel traction motor wiring structure according to claim 2 or 3, characterized in that: the support frame (10) be L shape structure, second insulator (8) are the slabby piece, form half enclosed structure after second insulator (8) and support frame (10) cooperate and compress tightly the collector ring.

5. The novel traction motor wiring structure according to claim 2, characterized in that: the insulation sleeve (9) at least comprises an insulation sleeve.

6. The novel traction motor wiring structure according to claim 1, characterized in that: the first insulating part (7) is an insulating backing plate.

7. The novel traction motor wiring structure according to claim 1, characterized in that: the plugging felt (6) is continuously arranged between the plurality of collecting rings and the joint surface of the first insulating piece (7) in a snake shape.

8. A novel traction motor online binding method is characterized by comprising the steps of arranging a first binding structure and a second binding structure;

setting up first ligature structure includes:

coaxially arranging a collector ring on one plane and welding the collector ring with an inter-pole coil lead-out wire;

arranging a first insulating piece (7) and a plugging felt (6) between the collector rings;

the collector ring, the first insulator and the plugging felt (6) are bound into a whole through a binding piece (5);

setting up second ligature structure includes:

clamping the collector ring by adopting a support frame (10) and a second insulating piece (8);

binding pieces (5) are arranged on the support frame (10) and the second insulating piece (8), so that the bus bar, the support frame (10) and the second insulating piece (8) are bound into a whole;

the support frame (10) is connected to a fixed support.

9. The novel traction motor on-line binding method according to claim 8, characterized in that the binding piece (5) is in a long strip shape, and a plurality of binding pieces (5) are arranged adjacently during binding.

Technical Field

The invention relates to the technical field of motors, in particular to a novel traction motor line connecting structure and a binding method.

Background

At present, the end part wiring structure of a locomotive traction motor mainly comprises two types: 1. the inter-electrode connecting wire lap joint type connecting wire structure has the problems that the connecting wire is difficult to bind after the inter-electrode connecting wire is welded and the shock resistance is poor; 2. the axial double-row collector ring line structure has the problem that the structure needs to sacrifice the performance of a motor so as to meet the requirement of larger axial space and reduce the shock resistance of the motor by larger line weight.

Therefore, the existing connection structure of the traction motor has a part to be improved urgently, the connection structure of the traction motor is optimized and improved, the capacity of coping with impact is improved on the premise of meeting the performance of the traction motor, the axial size of the motor is reduced, and the size of the motor in the axial direction is reduced. Therefore, a more reasonable technical scheme needs to be provided, and the defects in the prior art are overcome.

Disclosure of Invention

In order to solve the defects of the prior art mentioned in the above, the invention provides a novel traction motor line connecting structure and a binding method, wherein the line connecting structure of the traction belt motor is adjusted, so that the binding difficulty of the line connecting structure is reduced, and the axial size of the traction motor is reduced on the premise of ensuring the performance of the traction motor.

In order to achieve the purpose, the invention specifically adopts the technical scheme that:

a novel traction motor line connection structure comprises a plurality of collecting rings coaxially arranged on the same plane, wherein the collecting rings are connected into a whole through a plurality of first binding structures arranged along the circumference and are fixed through a plurality of second binding structures arranged along the circumference; the first binding structure comprises a first insulating piece arranged between two adjacent collector rings, and a plugging felt is arranged between the first insulating piece and the collector rings; the first binding structure further comprises a binding piece, wherein the binding piece is wound on the collecting ring along the radial direction and binds the collecting ring, the first insulating piece and the plugging felt into a whole.

Above-mentioned public motor line structure, a plurality of collector ring all are located same plane, and its axial dimension compares prior art and dwindles greatly, connects fixedly through first ligature structure and second ligature structure, has ensured the reliable and stable nature of motor line structure, and after the line work, contains many collector ring structure motors and can produce very big moment of torsion, provides sufficient electric vapour traction performance.

Furthermore, the first binding structures are used for keeping the plurality of collecting rings relatively fixed, and the second binding structures are used for enabling the whole connecting structure to be stably connected and fixed. In particular, the second ligature structure may adopt various possible schemes, the structure of which is not limited uniquely, and the second ligature structure is optimized and one of the possible options is shown: the second binding structure comprises a support frame arranged on one side of the bus ring and a second insulating piece arranged on the other side of the bus ring, and an insulating sleeve is arranged on the support frame; the support frame and the second insulating part clamp the collector ring, and the support frame and the second insulating part are provided with the binding pieces and binding belts which are wound on the second insulating part and the support frame along the circumferential axial direction. When adopting such scheme, the second ligature structure radially outwards extends along the collector ring and makes the fixed position of line structure be located the outside of collector ring, reduces the axial dimension that the collector ring goes out.

Further, the second lashing structure continues to be optimized and one of the possible options is presented: the second binding structure further comprises a fixed support fixedly connected with the traction motor, and the support frame is fixedly connected with the fixed support.

Further, in the present invention, the support frame may adopt various forms to realize the support connection, and the structure thereof is not limited only, and is optimized and one of the possible options is shown: the support frame be L shape structure, the second insulator is the platelike piece, form half enclosed structure after second insulator and the support frame cooperation and compress tightly the collector ring. When the scheme is adopted, the support frame and the second insulator are simple in structure, convenient to match and simple and reliable in connection process.

Further, the insulating sleeve adopted in the present invention is used for insulating the support frame, so as to prevent the support frame from being electrically connected with the bus ring, the insulating sleeve may adopt various forms for insulation, which is not limited uniquely, and is optimized here and one of the feasible options is presented: the insulation sleeve at least comprises an insulation sleeve. When the scheme is adopted, the insulating sleeve is directly sleeved on the supporting frame.

Further, the first insulating member is used for supporting and separating two adjacent collector rings, and the structure may be in various forms, and is not limited to the form, and is optimized and one of the possible options is: the first insulating part is an insulating backing plate. When adopting such scheme, a plurality of insulating backing plates in the first ligature structure set up along the radiation direction of collector ring.

Further, the plugging felt used in the present invention may have various structures, which are not limited only, and is optimized and one of the possible options is shown: the plugging felt is continuously arranged between the plurality of collecting rings and the binding surface of the first insulating piece in a snake shape. When adopting such scheme, adopt a tight felt of stopper can carry out the stopper tightly between a plurality of collector rings and the first insulating part, simple structure is reliable. In other schemes, a plugging felt can be arranged between each first insulating piece and the abutting surface of the confluence ring.

The above disclosure discloses a wiring structure, and the present invention also discloses a binding method of the wiring structure, which will now be described.

A novel traction motor online binding method comprises the steps of arranging a first binding structure and a second binding structure;

setting up first ligature structure includes:

coaxially arranging a collector ring on one plane and welding the collector ring with an inter-pole coil lead-out wire;

arranging a first insulating piece and a plugging felt between the collector rings;

binding the collector ring, the first insulator and the plugging felt into a whole through a binding piece;

setting up second ligature structure includes:

clamping the collector ring by adopting a support frame and a second insulating piece;

binding pieces are arranged on the support frame and the second insulating piece, so that the bus bar, the support frame and the second insulating piece are bound into a whole;

the support frame is connected to a fixed bracket.

Further, when setting up the piece of ligature, in order to improve the reliability, set up a plurality of pieces of ligature, specifically do: the binding piece is in a long strip shape, and a plurality of binding pieces are arranged in an adjacent binding mode during binding.

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

according to the invention, the plurality of collector rings are arranged on one plane, so that the axial space is reduced; the problem of difficult binding is solved in the insulator ligature step by step that adopts binding piece and independent design to reach the integration effect, and the line weight is little, shock resistance is strong, and the motor traction performance is better after carrying out work.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only show some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a partial schematic view of a wiring structure disclosed in the present invention.

FIG. 2 is a schematic cross-sectional view taken along line X-X.

FIG. 3 is a schematic cross-sectional view of Y-Y.

Figure 4 is a schematic diagram of a banding process of the first banding structure.

Figure 5 is a schematic diagram of a banding process of the second banding structure.

In the above drawings, the meaning of each symbol is: 1. an N-phase collector ring; 2. a U-phase collector ring; 3. a V-phase collector ring; 4. a W-phase collector ring; 5. a binding piece; 6. plugging the felt tightly; 7. a first insulating member; 8. a second insulating member; 9. an insulating sleeve member; 10. a support frame; 11. a fixing frame.

Detailed Description

The invention is further explained below with reference to the drawings and the specific embodiments.

It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Specific structural and functional details disclosed herein are merely illustrative of example embodiments of the invention. This invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.

Example 1

The problem that the existing connection structure of the traction motor has large axial dimension and weak motor performance is solved, and the scheme of making full use of the axial dimension of the motor and the performance of the motor is difficult to achieve. The embodiment provides an optimized and improved scheme to solve the problems in the prior art.

Specifically, as shown in fig. 1 to 3, the embodiment discloses a novel traction motor line connection structure, which includes a plurality of bus rings coaxially arranged on the same plane, wherein the plurality of bus rings are connected into a whole through a plurality of first binding structures arranged along the circumference, and are fixed through a plurality of second binding structures arranged along the circumference; the first binding structure comprises a first insulating piece 7 arranged between two adjacent collector rings, and a plugging felt 6 is arranged between the first insulating piece 7 and the collector rings; the first binding structure further comprises a binding piece 5, wherein the binding piece 5 is wound on the bus ring along the radial direction and binds the bus ring, the first insulating piece 7 and the plugging felt 6 into a whole.

Preferably, four collector rings are provided in the present embodiment, and the collector rings are an N-phase collector ring 1, a U-phase collector ring 2, a V-phase collector ring 3, and a W-phase collector ring 4 in this order from inside to outside. And the binding piece 5 adopts a binding belt, can adopt an elastic binding belt, and also can adopt a plastic binding belt.

Above-mentioned public motor line structure, a plurality of collector ring all are located same plane, and its axial dimension compares prior art and dwindles greatly, connects fixedly through first ligature structure and second ligature structure, has ensured the reliable and stable nature of motor line structure, and after the line work, contains many collector ring structure motors and can produce very big moment of torsion, provides sufficient electric vapour traction performance.

First ligature structure is used for making many collector rings keep relatively fixed, and second ligature structure is used for making the connection that whole connection structure can be stable fixed. Specifically, the second ligating structure may adopt various possible schemes, the structure of which is not limited uniquely, and the embodiment is optimized and adopts one of the possible options: the second binding structure comprises a support frame 10 arranged on one side of the bus ring and a second insulating piece 8 arranged on the other side of the bus ring, and an insulating sleeve 9 is arranged on the support frame 10; the support frame 10 and the second insulating part 8 clamp the bus ring, and the support frame 10 and the second insulating part 8 are provided with the binding parts 5 and binding belts which are wound on the second insulating part 8 and the support frame 10 along the circumferential axial direction. When adopting such scheme, the second ligature structure radially outwards extends along the collector ring and makes the fixed position of line structure be located the outside of collector ring, reduces the axial dimension that the collector ring goes out.

In the embodiment, the supporting frame 10 of the second binding structure is fixed by bolt connection, the insulating sleeve 9 is made of rubber material, and the second insulating part 8 is made of plastic.

The second lashing structure continues to be optimized and one of the possible options is presented: the second binding structure further comprises a fixed support fixedly connected with the traction motor, and the support frame 10 is fixedly connected with the fixed support.

Preferably, the fixing bracket is made of a metal material.

In the present embodiment, the supporting frame 10 can be used in various forms to realize the supporting connection, the structure is not limited, and the present embodiment is optimized and adopts one of the feasible options: the support frame 10 be L shape structure, second insulator 8 is the slabby piece, form half enclosed structure after second insulator 8 and the support frame 10 cooperation and compress tightly the collector ring. When the scheme is adopted, the support frame 10 and the second insulator are simple in structure, convenient to match and simple and reliable in connection process.

Preferably, the supporting frame 10 in this embodiment is an L-shaped plate or rod, and the second insulating member 8 is made of plastic and has a straight plate structure. A binding piece 5 is arranged in a gap between adjacent collector rings to tightly bind the second insulating piece 8 and the support frame 10.

The insulating sleeve used in this embodiment is used to insulate the support frame 10, so as to prevent the support frame 10 from being electrically connected to the bus ring, the insulating sleeve 9 may be insulated in various forms, which is not limited uniquely, and this embodiment is optimized and adopts one of the feasible options: the insulating sleeve 9 at least comprises an insulating sleeve. When the scheme is adopted, the insulating sleeve is directly sleeved on the support frame 10.

Preferably, the insulating sleeve is made of rubber materials.

The first insulating member 7 is used for supporting and separating two adjacent collector rings, and the structure thereof can be in various forms, and is not limited only, and the embodiment is optimized and adopts one of the feasible options: the first insulating part 7 is an insulating pad. When adopting such scheme, a plurality of insulating backing plates in the first ligature structure set up along the radiation direction of collector ring.

The plugging felt 6 used in the present embodiment may have various structures, which are not limited only, and the present embodiment is optimized and adopts one of the feasible options: the plugging felt 6 is continuously arranged between the plurality of collecting rings and the joint surface of the first insulating piece 7 in a snake shape. When adopting such scheme, adopt a stopper tight felt 6 can carry out the stopper tightly between a plurality of collector rings and first insulator 7, simple structure is reliable. In other embodiments, a plugging felt 6 may be disposed between each first insulating member 7 and the abutment surface of the bus ring.

Example 2

The above disclosure discloses a line structure, and the embodiment also discloses a binding method of the line structure, which will be described.

Specifically, as shown in fig. 4 and 5, a novel traction motor online binding method includes the steps of arranging a first binding structure and arranging a second binding structure;

setting up first ligature structure includes:

s01: coaxially arranging a collector ring on one plane and welding the collector ring with an inter-pole coil lead-out wire;

s02: arranging a first insulating piece 7 and a plugging felt 6 between the collector rings;

s03: the collector ring, the first insulator and the plugging felt 6 are bound into a whole through a binding piece 5;

setting up second ligature structure includes:

s01: clamping the collector ring by using a support frame 10 and a second insulating piece 8;

s02: arranging binding pieces 5 on the support frame 10 and the second insulating piece 8 to bind the bus bar, the support frame 10 and the second insulating piece 8 into a whole;

s03: the support stand 10 is attached to a fixed stationary support.

Preferably, when the binding 5 is provided, in order to improve reliability, a plurality of binding 5 are provided, specifically: the binding pieces 5 are in a long strip shape, and a plurality of binding pieces 5 are arranged in an adjacent binding mode during binding.

The above embodiments are just exemplified in the present embodiment, but the present embodiment is not limited to the above alternative embodiments, and those skilled in the art can obtain other various embodiments by arbitrarily combining with each other according to the above embodiments, and any other various embodiments can be obtained by anyone in light of the present embodiment. The above detailed description should not be construed as limiting the scope of the present embodiments, which should be defined in the claims, and the description should be used for interpreting the claims.