CN219299391U

CN219299391U - Safety protection device for diesel locomotive

Info

Publication number: CN219299391U
Application number: CN202320590254.8U
Authority: CN
Inventors: 邓玉红; 杨亮; 刘佰坤; 尹国勇
Original assignee: Bengang Steel Plates Co Ltd
Current assignee: Bengang Steel Plates Co Ltd
Priority date: 2023-03-23
Filing date: 2023-03-23
Publication date: 2023-07-04
Anticipated expiration: 2033-03-23

Abstract

The utility model relates to the technical field of railway transportation, in particular to a safety protection device of an internal combustion locomotive. The technical proposal comprises: the silencer comprises an air inlet pipe, a silencer main body and an air outlet pipe, wherein the air inlet pipe is fixedly arranged on one side of the silencer main body, a fin frame is fixedly arranged in the air inlet pipe, turbine fins are fixedly arranged in the fin frame through mounting rods, and the air outlet pipe is fixedly arranged on the other side of the silencer main body. According to the utility model, through the adsorption effect of the first air hole on the inner wall of the air inlet pipe and the second air hole on the inner wall of the air outlet pipe, when air flows enter the air inlet pipe and the air outlet pipe, carbon deposited entrained by the air flows can be adsorbed by the first air hole and the second air hole, and meanwhile, when the air flows pass through the turbine fins, the air flows can drive the turbine fins to rotate, and the rotating turbine fins block sparks in the air flows from passing through and return the sparks to the first air hole, so that the function of improving the fire grade is realized, and the safety performance of the diesel locomotive is improved.

Description

Safety protection device for diesel locomotive

Technical Field

The utility model relates to the technical field of railway transportation, in particular to a safety protection device of an internal combustion locomotive.

Background

The JMY380FAI type diesel locomotive can not restore the technical state of equipment through overhauling and replacement of spare parts, and once large spare parts are in a life cycle and can not be repaired, the equipment of the fireproof locomotive is extremely easy to break down, so that a safety protection device is added for the diesel locomotive, in order to improve fireproof performance, a spark extinction silencer is required to be additionally arranged at an exhaust pipe, the spark extinction silencer disclosed in application number CN107762593A is provided, various defects that a spark can not be quickly separated from gas are overcome, and further searching discovers that the spark extinction silencer disclosed in application number CN206175034U is provided through a specific technical structure, the technical defects that installation space is wasted due to separate installation of the silencer and the spark extinction silencer are effectively overcome, and in actual use, the spark extinction silencer with a similar structure has a plurality of defects, such as: because the exhaust pipeline of the diesel engine is overlong, the diesel engine is insufficient in combustion, carbon deposition in the flue is gradually accumulated, when the carbon deposition temperature of the high-position operation of the locomotive is overhigh, fire danger hidden danger is formed conversely, meanwhile, the inner diameter of the flue is reduced or even blocked due to the increase of the carbon deposition thickness, the pressure of the flue is increased, the weak point of the exhaust pipeline is easy to damage, and potential safety hazards exist, so that the safety protection device of the diesel locomotive needs to be designed.

Disclosure of Invention

The utility model aims to provide a safety protection device for an internal combustion locomotive, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a diesel locomotive safety device, includes intake pipe, muffler main part and outlet duct, one side fixed mounting of muffler main part has the intake pipe, the inside fixed mounting of intake pipe has the fin frame, the inside of fin frame has turbine fin through installation pole fixed mounting, the opposite side fixed mounting of muffler main part has the outlet duct, one side of muffler main part inside has the connecting pipe through connection pad fixed mounting, the inner wall fixed mounting of muffler main part has the sound absorption lining layer.

Through the adsorption of the first air hole of intake pipe inner wall and the second air hole of outlet duct inner wall to the carbon deposit for when the air current gets into intake pipe and outlet duct, the carbon deposit that the air current carried can be adsorbed by first air hole and second air hole, when the air current passes through the turbine fin simultaneously, the air current can drive the turbine fin and rotate, rotatory turbine fin stops the spark in the air current and passes through and get back the spark in the first air hole, the function of improvement fire grade has been realized, the problem that will mingle spark directly discharge causes the threat to the diesel locomotive when having avoided the diesel locomotive to exhaust, the security performance of diesel locomotive has been improved, the life of diesel locomotive has been prolonged, absorb the noise of gas through the sound absorption lining layer, the sound that sends when having reduced the gas and sent, the negative influence of diesel locomotive to the environment has been reduced.

Preferably, a connecting flange is fixedly arranged on one side of the air inlet pipe, and a first air hole is formed in the inner wall of the air inlet pipe. The air inlet pipe can be connected with the exhaust port of the diesel locomotive through the connecting flange, so that the device is convenient to be connected with the diesel locomotive for use, carbon deposition in air flow exhausted by the exhaust port of the diesel locomotive can be adsorbed by the first air hole, and sparks and pollution in the air flow can be reduced conveniently.

Preferably, the mounting frame is fixedly arranged on two sides of the silencer main body, and the bolt holes are formed in the mounting frame. Can conveniently fix the proper position of internal combustion locomotive with the mounting bracket through using bolt cooperation bolt hole, conveniently install the muffler main part fixedly, avoid rocking and drop.

Preferably, a baffle is fixedly arranged on one side of the connecting pipe, and air outlet holes are formed in the top and the bottom of the connecting pipe. The baffle can block the air flow to directly enter the silencer main body, so that the flow speed of the air flow is reduced, the volume of the air which enters the silencer main body simultaneously can be reduced by the air outlet, and the time for the air to enter the silencer main body is prolonged.

Preferably, a spiral pipe is fixedly arranged in the connecting pipe, and a baffle is fixedly arranged on the inner wall of the spiral pipe. Through the spiral structure of spiral pipe, be convenient for increase the time of gaseous outflow spiral pipe, also make the residual spark in the air current collide with the inner wall of spiral pipe simultaneously for spark and gas separation, the separation blade has increased the contact number of times of spark and spiral pipe, has improved the interception effect of spiral pipe to the spark.

Preferably, a butt flange is fixedly arranged on one side of the air outlet pipe, and a second air hole is formed in the inner wall of the air outlet pipe. The air outlet pipe can be connected with an exhaust pipeline of the diesel locomotive through the butt flange, so that the muffler main body can be conveniently connected with the diesel locomotive for use, carbon deposition in air flow can be adsorbed through the second air hole, and residual sparks are prevented from flowing out of the air outlet pipe.

Compared with the prior art, the utility model has the beneficial effects that:

1. through being provided with the intake pipe, mutually supporting between turbine fin and the outlet duct, through the adsorption of first gas pocket of intake pipe inner wall and the second gas pocket of outlet duct inner wall to the carbon deposit, when the air current gets into intake pipe and outlet duct, the carbon deposit that the air current carried can be adsorbed by first gas pocket and second gas pocket, when the air current passes through turbine fin simultaneously, the air current can drive turbine fin and rotate, rotatory turbine fin stops the spark in the air current to pass through and with the spark back in the first gas pocket, the function of improving fire class has been realized, the problem that will mingled with the spark direct discharge when having avoided the diesel locomotive exhaust led with the fact the threat to the diesel locomotive has been improved the security performance of diesel locomotive, the life of diesel locomotive has been prolonged.

2. Through being provided with the mutually supporting between connecting pipe, spiral pipe and the muffler main part, through the helicitic texture of spiral pipe and spiral pipe inner wall fixed mounting have the separation blade, increased the time of air current outflow spiral pipe, offered the venthole on the connecting pipe simultaneously, reduced the velocity of flow that the air current got into the muffler main part, through the time of increasing the air current outflow spiral pipe and the velocity of flow that reduces the air current and get into the muffler main part, can effectively reduce the air current noise to reach the spark that the engine exhaust was carried out.

Drawings

FIG. 1 is a schematic view of the front internal structure of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a schematic top view of the present utility model;

fig. 4 is a schematic view of the internal structure of the spiral pipe of the present utility model.

In the figure: 1. an air inlet pipe; 101. a first air hole; 102. a connecting flange; 2. a fin frame; 201. turbine fins; 202. a mounting rod; 3. a mounting frame; 301. bolt holes; 4. a muffler body; 401. a sound absorbing backing layer; 5. a connecting pipe; 501. an air outlet hole; 502. a baffle; 503. a connecting disc; 6. a spiral tube; 601. a baffle; 7. an air outlet pipe; 701. a butt flange; 702. and a second air hole.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Example 1

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the safety protection device for the diesel locomotive provided by the utility model comprises an air inlet pipe 1, a silencer main body 4 and an air outlet pipe 7, wherein one side of the silencer main body 4 is fixedly provided with the air inlet pipe 1, one side of the air inlet pipe 1 is fixedly provided with a connecting flange 102, the inner wall of the air inlet pipe 1 is provided with a first air hole 101, the inside of the air inlet pipe 1 is fixedly provided with a fin frame 2, the inside of the fin frame 2 is fixedly provided with a turbine fin 201 through a mounting rod 202, the other side of the silencer main body 4 is fixedly provided with the air outlet pipe 7, one side of the air outlet pipe 7 is fixedly provided with a butt flange 701, the inner wall of the air outlet pipe 7 is provided with a second air hole 702, one side of the inside of the silencer main body 4 is fixedly provided with a connecting pipe 5 through a connecting plate 503, one side of the connecting pipe 5 is fixedly provided with a baffle 502, the top and the bottom of the connecting pipe 5 are provided with air outlet holes 501, the inside of the connecting pipe 5 is fixedly provided with a spiral pipe 6, the inner wall of the spiral pipe 6 is fixedly provided with a baffle 601, the inner wall of the silencer main body 4 is fixedly provided with a sound absorbing lining layer 401.

The working principle of the internal combustion locomotive safety protection device based on the embodiment 1 is as follows: the air inlet pipe 1 is connected with a smoke source generated by the diesel locomotive through the connecting flange 102, after air flows into the air inlet pipe 1, the first air hole 101 adsorbs carbon deposition in the air, so that the carbon deposition amount in the air is reduced, meanwhile, when high-speed air flows through the turbine fins 201, the turbine fins 201 are driven to rotate, the rotating turbine fins 201 block sparks in the air flow from passing through and return the sparks to the first air hole 101, the problem that the threat is caused to the diesel locomotive by directly discharging the sparks mixed in the process of exhausting the diesel locomotive is avoided, the safety performance of the diesel locomotive is improved, and the service life of the diesel locomotive is prolonged;

the air flow flows into the spiral pipe 6 through the air inlet pipe 1, the baffle 601 is fixedly arranged on the spiral structure of the spiral pipe 6 and the inner wall of the spiral pipe 6, so that the time for the air flow to flow out of the spiral pipe 6 is increased, and meanwhile, the air outlet holes 501 are formed in the connecting pipe 5, so that the flow rate of the air flow entering the silencer main body 4 is reduced, the air flow noise can be effectively reduced by increasing the time for the air flow to flow out of the spiral pipe 6 and reducing the flow rate of the air flow entering the silencer main body 4, and the purpose of extinguishing sparks carried in engine exhaust is achieved;

after the gas enters the silencer main body 4, the noise of the gas is absorbed through the sound absorption lining layer 401, the sound generated when the gas is emitted is reduced, the negative influence of the diesel locomotive on the environment is reduced, then the gas flows out of the silencer main body 4 through the gas outlet pipe 7, and meanwhile, the residual sparks in the gas are adsorbed through the second gas hole 702, so that the purpose of thoroughly blocking the generation of sparks is achieved.

Example two

As shown in fig. 1, compared with the first embodiment, the safety device for an internal combustion locomotive according to the present utility model further includes: the mounting frame 3 is fixedly installed on two sides of the silencer main body 4, and bolt holes 301 are formed in the mounting frame 3.

In this embodiment, as shown in fig. 1, the mounting frame 3 can be conveniently fixed at a proper position of the internal combustion locomotive by using the bolt to fit the bolt holes 301 through the mounting frame 3, so that the muffler main body 4 is conveniently installed and fixed, and shaking and falling are avoided.

The above-described embodiments are merely a few preferred embodiments of the present utility model, and many alternative modifications and combinations of the above-described embodiments will be apparent to those skilled in the art based on the technical solutions of the present utility model and the related teachings of the above-described embodiments.

Claims

1. The utility model provides a diesel locomotive safety device, includes intake pipe (1), muffler main part (4) and outlet duct (7), its characterized in that: one side fixed mounting of muffler main part (4) has intake pipe (1), the inside fixed mounting of intake pipe (1) has fin frame (2), the inside of fin frame (2) is through installation pole (202) fixed mounting has turbine fin (201), the opposite side fixed mounting of muffler main part (4) has outlet duct (7), one side of muffler main part (4) inside is through connection pad (503) fixed mounting has connecting pipe (5), the inner wall fixed mounting of muffler main part (4) has sound absorption lining layer (401).

2. The diesel locomotive safety device of claim 1, wherein: one side of the air inlet pipe (1) is fixedly provided with a connecting flange (102), and the inner wall of the air inlet pipe (1) is provided with a first air hole (101).

3. The diesel locomotive safety device of claim 1, wherein: the muffler is characterized in that mounting frames (3) are fixedly arranged on two sides of the muffler main body (4), and bolt holes (301) are formed in the mounting frames (3).

4. The diesel locomotive safety device of claim 1, wherein: one side of the connecting pipe (5) is fixedly provided with a baffle plate (502), and the top and the bottom of the connecting pipe (5) are provided with air outlet holes (501).

5. The diesel locomotive safety device of claim 1, wherein: the inside of the connecting pipe (5) is fixedly provided with a spiral pipe (6), and the inner wall of the spiral pipe (6) is fixedly provided with a baffle (601).

6. The diesel locomotive safety device of claim 1, wherein: one side of the air outlet pipe (7) is fixedly provided with a butt flange (701), and the inner wall of the air outlet pipe (7) is provided with a second air hole (702).