Anti-vibration cooling system for diesel locomotive

Abstract

The present invention relates to the technical field of rail vehicle equipment and auxiliary equipment, and discloses an anti-vibration heat dissipation system for a diesel locomotive, including a plurality of heat dissipation sections, each heat dissipation section including a heat dissipation pipe and a fin, the two ends of the heat dissipation pipe are respectively a liquid inlet and a liquid outlet, the heat dissipation pipe is inserted into the fin in a multi-bend manner, the liquid inlet of the heat dissipation pipe and the outlet of the heat exchanger of the internal combustion engine, and the liquid outlet of the heat dissipation pipe and the inlet of the heat exchanger of the internal combustion engine form a docking interface, each docking interface is connected by an anti-vibration unit, and the anti-vibration unit includes a connecting plate, a bolt, a spring and a flexible pipe joint, the connecting plates are respectively fixed at the two ends of the docking interface, a spring is arranged between the connecting plates, and they are connected by bolts, the docking interfaces are connected by a flexible pipe joint, and a plurality of heat dissipation sections are connected to a plurality of heat exchangers of the internal combustion engine. The present invention can not only buffer and absorb the vibration of the locomotive, but also has a large thermal expansion and contraction compensation capability.

Description

Technical Field

[0001] The invention relates to the technical field of rail vehicle equipment and auxiliary equipment, in particular to an anti-vibration heat dissipation system for a diesel locomotive. Background Art

[0002] Diesel locomotives have long operating distances and complex road conditions. The radiator components of existing locomotive diesel engines are rigidly connected to the diesel engine. During long-term operation, the radiator and the diesel engine may become detached or leak, which will eventually cause the radiator to fail to work properly and affect the normal operation of the train.

[0003] In addition, the radiator of the existing locomotive is made of steel, the fin form is single, and the heat dissipation effect is poor, which not only makes the internal combustion engine work in a poor working condition, but also greatly increases the maintenance cost. Summary of the invention

[0004] The purpose of the present invention is to solve the above technical problems and provide an anti-vibration heat dissipation system for a diesel locomotive to buffer the vibration of the locomotive and improve the cooling capacity of the internal combustion engine. The technical solution adopted by the present invention is:

[0005] A vibration-proof heat dissipation system for a diesel locomotive comprises a plurality of heat dissipation sections, each heat dissipation section comprises a heat dissipation pipe and a fin, the two ends of the heat dissipation pipe are respectively a liquid inlet and a liquid outlet, the heat dissipation pipe is inserted into the fin in a multi-bend manner, the liquid inlet of the heat dissipation pipe and the outlet of a heat exchanger of an internal combustion engine, and the liquid outlet of the heat dissipation pipe and the inlet of the heat exchanger of the internal combustion engine form a docking interface, each docking interface is connected by an anti-vibration unit, the anti-vibration unit comprises a connecting plate, a bolt, a spring and a flexible pipe joint, the connecting plates are respectively fixed at the two ends of the docking interface, the spring is arranged between the connecting plates and connected by bolts, the docking interfaces are connected by the flexible pipe joint, and the plurality of heat dissipation sections are connected to a plurality of heat exchangers of the internal combustion engine.

[0006] Furthermore, the fin is V-shaped, a heat dissipation pipe hole is provided in the middle of the fin, the heat dissipation pipe is arranged in the heat dissipation pipe hole, and drainage slits are provided on the upper and lower inclined surfaces around the heat dissipation pipe hole.

[0007] Furthermore, a drainage pipe is arranged below the drainage gap and connected to the outside of the vehicle.

[0008] Furthermore, the fins are corrugated aluminum foil sheets, the heat dissipation tubes have 3 to 6 rows, and the tube diameters are 10 mm to 16 mm.

[0009] Furthermore, a fan is arranged on each heat dissipation unit, and the fan is a centrifugal fan.

[0010] Furthermore, the middle of the flexible pipe joint is a bellows, and the bellows includes 5 to 10 nodes.

[0011] Furthermore, the plurality of heat dissipation sections are arranged horizontally or vertically, and two heat dissipation sections are fixedly connected via anti-vibration components.

[0012] The beneficial effects of the present invention are:

[0013] (1) The radiator's shock-absorbing device can not only buffer and absorb the vibration of the locomotive, but also has a large thermal expansion and contraction compensation capability;

[0014] (2) It can effectively improve the cooling capacity of the cooling device of the diesel locomotive, reduce the number of single sections of the cooling device, shorten the length of the cooling device and reduce the auxiliary power consumption of the cooling fan;

[0015] (3) It can be widely used in diesel locomotives such as main passenger and freight locomotives. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Attached Figure 1 It is a schematic diagram of the overall structure of a single heat dissipation single-section connection of the present invention;

[0017] Attached Figure 2 It is a schematic structural diagram of the anti-vibration unit of the present invention without installing a spring;

[0018] Attached Figure 3 This is a schematic diagram of the structure of the anti-vibration unit of the present invention after the spring is installed.

[0019] The symbols in the accompanying drawings are:

[0020] 1. Heat dissipation section; 2. Heat dissipation pipe; 3. Fins; 4. Liquid inlet; 5. Liquid outlet;

[0021] 6. Heat exchanger outlet; 7. Heat exchanger inlet; 8. Anti-vibration unit; 9. Connection plate;

[0022] 10. Bolt; 11. Spring; 12. Flexible pipe joint; 13. Internal combustion engine. DETAILED DESCRIPTION

[0023] The specific implementation of the anti-vibration heat dissipation system for a diesel locomotive of the present invention will be described in detail below with reference to the accompanying drawings.

[0024] See attached Figure 1-3The anti-vibration heat dissipation system of the diesel locomotive includes a plurality of heat dissipation sections 1, the heat dissipation sections 1 are rectangular structures or laminated structures, each heat dissipation section 1 includes a heat dissipation tube 2 and a fin 3, the two ends of the heat dissipation tube 2 are respectively a liquid inlet 4 and a liquid outlet 5, the heat dissipation tube 2 is inserted into the fin 3 in a multi-bend manner, the liquid inlet 4 of the heat dissipation tube 2 and the heat exchanger outlet 6 of the internal combustion engine 13, the liquid outlet 5 of the heat dissipation tube 2 and the heat exchanger inlet 7 of the internal combustion engine 13 form a docking interface, each docking interface is connected by an anti-vibration unit 8, the anti-vibration unit 8 includes a connecting plate 9, a bolt 10, a spring 11 and a flexible pipe joint 12, the connecting plates 9 are respectively fixed at the two ends of the docking interface, a spring 11 is arranged between the connecting plates 9, and they are connected by bolts 10, the docking interfaces are connected by a flexible pipe joint 12, the docking interfaces are sealed connections, and can also be connected by pipe fittings such as valves.

[0025] Multiple heat exchangers of the internal combustion engine are connected to multiple heat exchangers. Multiple heat exchangers are arranged horizontally or vertically, and two heat exchangers are fixedly connected by anti-vibration components. A centrifugal fan is arranged on each heat exchanger. The middle of the flexible pipe joint is a bellows, which includes 5 to 10 nodes, and 8 nodes are commonly used.

[0026] The fin is V-shaped, with a heat pipe hole in the middle of the fin, the heat pipe is arranged in the heat pipe hole, and drainage slits are arranged on the upper and lower inclined surfaces around the heat pipe hole. A drainage pipe is arranged below the drainage slit and connected to the outside of the vehicle. The fin is an aluminum foil corrugated sheet, the heat pipe has 3 to 6 rows, preferably 4 and 6 rows, and the pipe diameter is 10 mm to 16 mm, preferably 10 mm, 12 mm, 16 mm.

[0027] The above is only a preferred embodiment of the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the principle of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. An anti-vibration heat dissipation system for a diesel locomotive, characterized in that: It includes multiple heat dissipation sections, each heat dissipation section includes a heat dissipation pipe and a fin, the two ends of the heat dissipation pipe are respectively a liquid inlet and a liquid outlet, the heat dissipation pipe is inserted into the fin in a multi-bend manner, the liquid inlet of the heat dissipation pipe and the outlet of the heat exchanger of the internal combustion engine, and the liquid outlet of the heat dissipation pipe and the inlet of the heat exchanger of the internal combustion engine form a docking interface, each docking interface is connected by an anti-vibration unit, the anti-vibration unit includes a connecting plate, a bolt, a spring and a flexible pipe joint, the connecting plates are respectively fixed at the two ends of the docking interface, the spring is arranged between the connecting plates and connected by bolts, the docking interfaces are connected by the flexible pipe joint, and the multiple heat dissipation sections are connected to multiple heat exchangers of the internal combustion engine.

2. The anti-vibration heat dissipation system for diesel locomotive according to claim 1, characterized in that: The fin is V-shaped, a heat dissipation pipe hole is provided in the middle of the fin, the heat dissipation pipe is arranged in the heat dissipation pipe hole, and drainage slits are provided on the upper and lower inclined surfaces around the heat dissipation pipe hole.

3. The anti-vibration heat dissipation system for diesel locomotive according to claim 2, characterized in that: A drainage pipe is arranged below the drainage gap and connected to the outside of the vehicle.

4. The anti-vibration heat dissipation system for a diesel locomotive according to claim 1, characterized in that: The fins are corrugated aluminum foil sheets, the heat dissipation tubes have 3 to 6 rows, and the tube diameters are 10 mm to 16 mm.

5. The anti-vibration heat dissipation system for a diesel locomotive according to claim 1, characterized in that: A fan is arranged on each heat dissipation unit, and the fan is a centrifugal fan.

6. The anti-vibration heat dissipation system for a diesel locomotive according to any one of claims 1 to 5, characterized in that: The middle of the flexible pipe joint is a bellows, and the bellows includes 5 to 10 nodes.

7. The anti-vibration heat dissipation system for a diesel locomotive according to any one of claims 1 to 5, characterized in that: The plurality of heat dissipation sections are arranged horizontally or vertically, and two heat dissipation sections are fixedly connected via anti-vibration components.

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