阅读说明：本技术 一种动力转向架布线系统 (Power bogie wiring system ) 是由 邓泽靖 李骏 兰茜 于 2021-09-07 设计创作，主要内容包括：一种动力转向架布线系统,构架的第一端梁的中间位置设有第一高压汇总出线装置和低压汇总出线装置,第二端梁上对应第一高压汇总出线装置的第二高压汇总出线装置。高压汇总出线和低压汇总出线在转向架端部且靠近车辆中轴线,无论车辆左转还是右转其要求活动余量一致,不存在拉扯或者接磨的情况发生。(A first high-voltage collecting wire outlet device and a low-voltage collecting wire outlet device are arranged in the middle of a first end beam of a framework, and a second high-voltage collecting wire outlet device corresponding to the first high-voltage collecting wire outlet device is arranged on a second end beam. The high-voltage gathering outgoing line and the low-voltage gathering outgoing line are arranged at the end part of the bogie and are close to the central axis of the vehicle, the required moving allowance is consistent no matter the vehicle turns left or turns right, and the situation of dragging or grinding does not exist.)

1. A power bogie wiring system comprises a framework, a first traction motor, a second traction motor, a first wheel pair corresponding to the first traction motor, a second wheel pair corresponding to the second traction motor, a first shaft temperature/speed sensor corresponding to the first traction motor, a second shaft temperature/speed sensor corresponding to the second traction motor, a magnetic track brake, a hydraulic control unit, a first grounding device installed at the shaft end of the first wheel pair, a second grounding device installed at the shaft end of the second wheel pair, sanding devices installed at two sides of one end of the framework, a first shaft end sensor and a pressure sensor which are arranged at the shaft end of the first wheel pair; the frame comprises a cross beam, side beams arranged at two ends of the cross beam, a first end beam arranged between one ends of the two side beams and a second end beam arranged at the other end of the two side beams, wherein the first end beam, the cross beam and the two side beams enclose a first installation space; the method is characterized in that: a first high-voltage collecting wire outlet device and a low-voltage collecting wire outlet device are arranged in the middle of the first end beam, and a second high-voltage collecting wire outlet device corresponding to the first high-voltage collecting wire outlet device is arranged on the second end beam;

the high-voltage wires are respectively led out from the first high-voltage collecting wire outlet device and the second high-voltage collecting wire outlet device:

a first three-phase cable connected with the first traction motor crosses a first wheel axle, then is led to the first end beam and turns to lead to the first high-voltage collecting wire outlet device along the first end beam; a first shaft coupling is sleeved at a position, corresponding to the crossing position of the first three-phase cable, of the first wheel shaft;

a second three-phase cable connected with a second traction motor crosses a second wheel axle and then is directly led to a second high-voltage collecting wire outlet device on a second end beam; a second coupling is sleeved at a position, corresponding to the second three-phase cable, of the second wheel shaft in a crossing manner;

a first ground wire connected with the first traction motor and a second ground wire connected with the second traction motor are led to the middle cross beam;

a first grounding return cable connected with the first grounding device is led to the first end beam, then turns and is led to the first high-voltage collecting outlet device along the first end beam; a second grounding return cable connected with the second grounding device is led to the second end beam, then turns and is led to the second high-voltage collecting outlet device along the second end beam;

the low-voltage line is led out from the low-voltage gathering line outgoing device:

the wheel of the first wheel pair and the wheel of the second wheel pair are covered with fenders, a first sensor wire harness connected with an axle temperature/speed sensor is led to the fender on one side, led to the first end beam along the fenders and steered to be led to the low-pressure collecting wire outlet device along the first end beam; after a second sensor wire harness connected with the two-axis temperature/speed sensor is led to the fender on one side, the second sensor wire harness is led to the low-pressure collecting wire outlet device along the second wheel-pair fender, the second end beam, the second wheel-pair fender, the first wheel-pair fender and the first end beam in sequence;

magnetic track brakes arranged at two ends of the cross beam are converged into a brake bus through brake cables, and the brake bus is led to the first end beam along the first wheel pair fender and is steered to be led to the low-pressure gathering outlet device along the first end beam;

a first signal speed sensor wire harness connected with the first shaft end sensor is led to the first end beam, then turns and is led to the low-pressure collecting wire outlet device along the first end beam;

the heating cable connected with the sanding device is led to the first end beam, then turns and is led to the low-voltage collecting outlet device along the first end beam;

after a hydraulic control cable connected with the hydraulic control unit is led to the second end beam, the hydraulic control cable is led to the low-pressure collecting wire outlet device along the second end beam, the second wheel-pair fender, the first wheel-pair fender and the first end beam in sequence;

and a pressure sensing line connected with the pressure sensor is led to the low-pressure collecting outlet device along the first end beam.

2. A power bogie cabling system according to claim 1, wherein: the high-voltage wire and the low-voltage wire are crossed in a 90-degree direction.

3. A power bogie cabling system according to claim 1, wherein: the first high-voltage collecting outgoing line device is arranged on the outer side face of the first end beam, the second high-voltage collecting outgoing line device is arranged on the top face of the second end beam, and the low-voltage collecting outgoing line device is arranged on the bottom face of the first end beam.

4. A power bogie cabling system according to claim 1, wherein: the low-voltage gathering wire outlet device is provided with a plurality of sleeve joints, and each sleeve joint corresponds to one group of low-voltage cables.

5. A power bogie cabling system according to claim 1, wherein: the second sensor wiring harness is routed along the outer side face of the second end beam, and the second sensor wiring harness is routed along the bottom face of the first end beam; the brake cable is arranged along the bottom surface of the cross beam, and the brake bus is arranged along the bottom surface of the first end beam; a first signal speed sensor wire harness is routed along the bottom surface of the first end beam; the heating cable is routed along the bottom surface of the first end beam; the first three-phase cable crosses over the first wheel axle from the top and then is routed on the top surface of the first end beam, and the second three-phase cable crosses over the second wheel axle from the top and then is directly connected with the second high-voltage collecting wire outlet device; the first grounding return cable is led to the end part of the first end beam and then is routed on the top surface of the first end beam, and the second grounding return cable penetrates through the lower part of the side beam and then is led to the top surface of the second end beam; the pressure sensing line is routed on the bottom surface of the first end beam.

6. A power bogie cabling system according to claim 1, wherein: the first end beam extends inwards and outwards at the low-voltage collecting wire outlet device to form a mounting plate, and the low-voltage wire is turned at the mounting plate and is connected into the low-voltage collecting wire outlet device.

7. A power bogie cabling system according to claim 1, wherein: the first grounding device and the second grounding device are diagonally arranged.

Technical Field

The invention relates to an electric locomotive, in particular to a power bogie wiring system.

Background

At present, a wiring mode used by 70% of low-floor tramcars is chassis wiring, and the wiring mode adopts independent wiring on the chassis according to component mounting positions. The problems of cable moving radius, interference resistance, pollution prevention, maintenance and the like are not considered in the wiring. The cable routing installation does not consider the steering requirement of the vehicle, the relative displacement of the bogie and the vehicle body pulls the cable when the vehicle turns, the stress of the cable reduces the service life; the wiring does not consider anti-interference high-low voltage isolation; in the test operation, part of the cables are corroded by dirt adhesion, the reliability of the vehicle is reduced, and the dirt shielding is not beneficial to routine inspection of the cables in daily life; the routing path is partially shielded by the parts, and the maintainability of the vehicle is low.

Disclosure of Invention

The invention aims to provide a power bogie wiring system which is reasonable in wiring, solves the problem of stress of a vehicle steering cable, solves the problem of anti-interference high-low voltage isolation and improves the reliability and maintainability of a vehicle.

In order to solve the technical problems, the technical scheme of the invention is as follows: a power bogie wiring system comprises a framework, a first traction motor, a second traction motor, a first wheel pair corresponding to the first traction motor, a second wheel pair corresponding to the second traction motor, a first shaft temperature/speed sensor corresponding to the first traction motor, a second shaft temperature/speed sensor corresponding to the second traction motor, a magnetic track brake, a hydraulic control unit, a pressure sensor, a first grounding device installed at the shaft end of the first wheel pair, a second grounding device installed at the shaft end of the second wheel pair, sanding devices installed at two sides of one end of the framework, a first shaft end sensor and a pressure sensor which are arranged at the shaft end of the first wheel pair; the frame comprises a cross beam, side beams arranged at two ends of the cross beam, a first end beam arranged between one ends of the two side beams and a second end beam arranged at the other end of the two side beams, wherein the first end beam, the cross beam and the two side beams enclose a first installation space; a first high-voltage collecting wire outlet device and a low-voltage collecting wire outlet device are arranged in the middle of the first end beam, and a second high-voltage collecting wire outlet device corresponding to the first high-voltage collecting wire outlet device is arranged on the second end beam;

the high-voltage wires are respectively led out from the first high-voltage collecting wire outlet device and the second high-voltage collecting wire outlet device:

a first three-phase cable connected with the first traction motor crosses a first wheel axle, then is led to the first end beam and turns to lead to the first high-voltage collecting wire outlet device along the first end beam; a first shaft coupling is sleeved at a position, corresponding to the crossing position of the first three-phase cable, of the first wheel shaft;

a second three-phase cable connected with a second traction motor crosses a second wheel axle and then is directly led to a second high-voltage collecting wire outlet device on a second end beam; a second coupling is sleeved at a position, corresponding to the second three-phase cable, of the second wheel shaft in a crossing manner;

a first ground wire connected with the first traction motor and a second ground wire connected with the second traction motor are led to the middle cross beam;

a first grounding return cable connected with the first grounding device is led to the first end beam, then turns and is led to the first high-voltage collecting outlet device along the first end beam; a second grounding return cable connected with the second grounding device is led to the second end beam, then turns and is led to the second high-voltage collecting outlet device along the second end beam;

the low-voltage line is led out from the low-voltage gathering line outgoing device:

the wheel of the first wheel pair and the wheel of the second wheel pair are covered with fenders, a first sensor wire harness connected with an axle temperature/speed sensor is led to the fender on one side, led to the first end beam along the fenders and steered to be led to the low-pressure collecting wire outlet device along the first end beam; after a second sensor wire harness connected with the two-axis temperature/speed sensor is led to the fender on one side, the second sensor wire harness is led to the low-pressure collecting wire outlet device along the first and second wheel-pair fenders, the second end beam, the second wheel-pair fender, the first wheel-pair fender and the first end beam in sequence;

magnetic track brakes arranged at two ends of the cross beam are converged into a brake bus through brake cables, and the brake bus is led to the first end beam along the first wheel pair fender and is steered to be led to the low-pressure gathering outlet device along the first end beam;

a first signal speed sensor wire harness connected with the first shaft end sensor is led to the first end beam, then turns and is led to the low-pressure collecting wire outlet device along the first end beam;

the heating cable connected with the sanding device is led to the first end beam, then turns and is led to the low-voltage collecting outlet device along the first end beam;

after a hydraulic control cable connected with the hydraulic control unit is led to the second end beam, the hydraulic control cable is led to the low-pressure collecting wire outlet device along the second end beam, the second wheel-pair fender, the first wheel-pair fender and the first end beam in sequence;

and a pressure sensing line connected with the pressure sensor is led to the low-pressure collecting outlet device along the first end beam.

As an improvement, the intersections of the high-voltage lines and the low-voltage lines are all turned by 90 degrees.

As an improvement, the first high-voltage collecting outgoing line device is arranged on the outer side face of the first end beam, the second high-voltage collecting outgoing line device is arranged on the top face of the second end beam, and the low-voltage collecting outgoing line device is arranged on the bottom face of the first end beam.

As an improvement, the low-voltage gathering wire outlet device is provided with a plurality of sleeve joints, and each sleeve joint corresponds to one group of low-voltage cables.

As an improvement, the second sensor wire harness is routed along the outer side surface of the second end beam, and the second sensor wire harness is routed along the bottom surface of the first end beam; the brake cable is arranged along the bottom surface of the cross beam, and the brake bus is arranged along the bottom surface of the first end beam; a first signal speed sensor wire harness is routed along the bottom surface of the first end beam; the heating cable is routed along the bottom surface of the first end beam; the first three-phase cable crosses over the first wheel axle from the top and then is routed on the top surface of the first end beam, and the second three-phase cable crosses over the second wheel axle from the top and then is directly connected with the second high-voltage collecting wire outlet device; the first grounding return cable is led to the end part of the first end beam and then is routed on the top surface of the first end beam, and the second grounding return cable penetrates through the lower part of the side beam and then is led to the top surface of the second end beam; the pressure sensing line is routed on the bottom surface of the first end beam.

As an improvement, the first end beam extends inwards and outwards at the low-voltage collecting wire outlet device to form a mounting plate, and the low-voltage wire is turned at the mounting plate and connected into the low-voltage collecting wire outlet device.

As an improvement, the first grounding device and the second grounding device are arranged diagonally

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

1. the high-voltage collecting outgoing line and the low-voltage collecting outgoing line are arranged at the end part of the bogie and are close to the central axis of the vehicle, the required movement allowance is consistent no matter the vehicle turns left or turns right, and the situation of dragging or grinding connection does not exist;

2. the high-voltage collecting outgoing line is positioned at the top of the framework, the low-voltage collecting outgoing line is positioned at the bottom of the framework, and an electromagnetic isolation barrier is formed at the parallel routing part by utilizing the self-contained steel structure of the framework without additionally designing an isolation wire slot;

3. the whole vehicle cable is visible in maintenance, and the fender is used for wiring inside, so that the vehicle maintainability is improved.

Drawings

Fig. 1 is a top view of a bogie.

Fig. 2 is a bottom view of the bogie.

Fig. 3 is an enlarged view of fig. 2 at a.

Fig. 4 is a wiring diagram.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

As shown in fig. 1, the power bogie wiring system includes a frame 1, a first traction motor 3, a second traction motor 4, a first wheel pair 201 corresponding to the first traction motor 3, a second wheel pair 202 corresponding to the second traction motor 4, an axle temperature/speed sensor corresponding to the first traction motor 3, a second axle temperature/speed sensor corresponding to the second traction motor 4, a magnetic track brake, a hydraulic control unit, a first grounding device 14 installed at an axle end of the first wheel pair 201, a second grounding device 16 installed at an axle end of the second wheel pair 202, sanding devices installed at two sides of one end of the frame, a first axle end sensor 20 installed at an axle end of the first wheel pair 201, and a pressure sensor.

As shown in fig. 1, the frame is a rectangular frame, and includes a cross member 101 located in the middle, side members 102 provided at both ends of the cross member 101, a first end member 103 provided between one ends of the side members 102, and a second end member 104 provided at the other end of the side members 102. The first end beam 103, the cross beam 101 and the two side beams 102 enclose a first installation space, and the first traction motor 3 and the first wheel pair 201 are arranged in the first installation space; the second end beam 104, the cross beam 101 and the two side beams 102 enclose a second installation space, and the second traction motor 4 and the second wheel pair 202 are arranged in the second installation space. A first high-voltage collecting outlet device 6 and a low-voltage collecting outlet device 8 are arranged in the middle of the first end beam 103, and a second high-voltage collecting outlet device 7 is arranged on the second end beam 104 corresponding to the first high-voltage collecting outlet device 6; the first high-voltage collecting outgoing line device 6 is arranged on the outer side surface of the first end beam 103, the second high-voltage collecting outgoing line device 7 is arranged on the top surface of the second end beam 104, and the low-voltage collecting outgoing line device 8 is arranged on the bottom surface of the first end beam 103; the low-voltage gathering wire outlet device 8 is provided with a plurality of sleeve joints, and each sleeve joint corresponds to one group of low-voltage cables; as shown in fig. 3, the first end beam 103 extends inwards and outwards at the low-voltage line collecting and outgoing device 8 to form a mounting plate 24, the low-voltage line turns to be connected to the low-voltage line collecting and outgoing device 8 at the mounting plate 24, the mounting plate is integrally formed in a framework, and the mounting plate 24 can enlarge the area of the fixed line, so that the collected line has enough space for wiring.

As shown in fig. 1, the top of each of the wheels of the first wheel pair 201 and the second wheel pair 202 is provided with a fender 5, one side of each fender 5 is connected with the frame, and one inward side of each fender 5 is provided with a wire fixing clip for routing.

As shown in fig. 1 and 4, high-voltage wires are led out from the first high-voltage collective outlet device 6 and the second high-voltage collective outlet device 7 respectively:

a first three-phase cable 11 connected with the first traction motor 3 crosses a first wheel axle from the top, then is led to the first end beam 103 and turns to be led to the first high-voltage collecting wire outlet device 6 along the first end beam 103, and the first three-phase cable 11 crosses the first wheel axle from the top and then is routed on the top surface of the first end beam 103; a first coupling 9 is sleeved on a position, corresponding to the position spanned by the first three-phase electric cable 11, of the first wheel shaft;

a second three-phase cable 12 connected with the second traction motor 4 crosses a second wheel axle from the upper part and then is directly led to a second high-voltage collecting wire outlet device 7 on the second end beam 104; a second coupling joint 10 is sleeved on a position of the second wheel shaft corresponding to the position crossed by the second three-phase cable 12;

the ground wires 13 connected with the first traction motor 3 and the second traction motor 4 are led to the middle cross beam 101;

a first grounding return cable 15 connected with the first grounding device 14 is led to the first end beam 103, then turns and is led to the first high-voltage collecting outlet device 6 along the first end beam 103, and the first grounding return cable 15 is led to the end part of the first end beam 103 and then is routed on the top surface of the first end beam 103; a second grounding return cable 17 connected with the second grounding device 16 is led to the second end beam 104, then turns and is led to the second high-voltage collecting outlet device 7 along the second end beam 104, and the second grounding return cable 17 is led from the lower part of the side beam 102 through the top surface of the rear leading second end beam 104; the first 14 and second 16 ground engaging means are diagonally arranged, the first ground engaging means 14 being arranged on the left side of the first wheel pair 201 and the second ground engaging means 16 being arranged on the right side of the second wheel pair 202.

As shown in fig. 1, 2 and 4, the low-voltage line is led out from the low-voltage summing outlet device 8:

a first sensor harness 18 connected to an axle temperature/speed sensor is led from the first traction motor 3 to the fender 5 on the right side of the first wheel pair 201, led along the fender 5 to the first end beam 103 and diverted along the first end beam 103 to the low-pressure summary outlet device 8; after a second sensor wire harness 19 connected with a two-axis temperature/speed sensor is led to the fender 5 on the left side of the second wheel pair 202 from the second traction motor 4, the fender 5 on the left side of the second wheel pair 202 sequentially leads to the low-voltage collecting wire outlet device 8 along the fender 5 on the left side of the second wheel pair 202, the second end beam 104, the fender 5 on the right side of the second wheel pair 202, the cross beam 101, the fender 5 on the right side of the first wheel pair 201 and the first end beam 103, the routing of each position needs to be turned, the second sensor wire harness 19 is routed along the outer side face of the second end beam 104, and the second sensor wire harness 19 is routed along the bottom face of the first end beam 103;

the magnetic track brakes arranged at two ends of the cross beam 101 are converged into a brake bus 22 through a brake cable 23, the brake bus 22 is led to the first end beam 103 along the left side fender 5 of the first wheel pair 201 and is led to the low-voltage collecting outlet device 8 along the first end beam 103 in a turning mode, the brake cable 23 is routed along the bottom surface of the cross beam 101, and the brake bus 22 is routed along the bottom surface of the first end beam 103;

the first axial end sensor 20 is arranged on the right side of the first wheel pair 201, a first signal speed sensor wire harness 21 connected with the first axial end sensor 20 is led to the first end beam 103, then turns and is led to the low-voltage gathering wire outlet device 8 along the first end beam 103, and the first signal speed sensor wire harness 21 is routed along the bottom surface of the first end beam 103; adding

The heating cable 24 connected with the sanding device is led to the first end beam 103, then turns and is led to the low-voltage collecting outlet device 8 along the first end beam 103, and the heating cable 24 is routed along the bottom surface of the first end beam 103;

after a hydraulic control cable 25 connected with the hydraulic control unit is led to the second end beam 104, the hydraulic control cable is led to the low-voltage collecting outlet device 8 along the second end beam 104, the second wheel pair 202 fender 5, the first wheel pair 201 fender 5 and the first end beam 103 in sequence, and the routing of each position needs to be steered;

the pressure sensor is arranged on the first end beam 103, and a pressure sensing line 26 connected with the pressure sensor is led to the low-pressure collecting outlet device 8 along the first end beam 103.

The high-voltage wire and the low-voltage wire are crossed by 90 degrees, so that the interference is reduced.

The wiring mode of the invention has the following advantages:

1. the high-voltage collecting outgoing line and the low-voltage collecting outgoing line are arranged at the end part of the bogie and are close to the central axis of the vehicle, the required movement allowance is consistent no matter the vehicle turns left or turns right, and the situation of dragging or grinding connection does not exist;

2. the high-voltage collecting outgoing line is positioned at the top of the framework, the low-voltage collecting outgoing line is positioned at the bottom of the framework, and an electromagnetic isolation barrier is formed at the parallel routing part by utilizing the self-contained steel structure of the framework without additionally designing an isolation wire slot;

3. the whole vehicle cable is visible in maintenance, and the fender 5 is used for wiring inside, so that the vehicle maintainability is improved.