Fireproof protection mechanism and auxiliary shielding device

Abstract

The invention relates to the technical field of internal combustion locomotive scheduling fire prevention, in particular to a fireproof protection mechanism and an auxiliary shielding device. A protective shell; the cover plates are fixedly installed on the two sides of the protective shell, and the cover plates and the protective shell are arranged in an inclined mode at the angle of 180-360 degrees. According to the chimney, the root of the chimney can be effectively isolated from the outside, pulverized coal is prevented from being accumulated, and therefore the hidden danger of combustion of accumulated coal at the root of the chimney is eliminated, high-temperature flue gas exhausted by the chimney is prevented from directly blowing and rolling, and caking coal is prevented from falling into the chimney to be combusted; the top can collect scattered coal ash of the locomotive section on site, and cyclic utilization is facilitated.

Description

Technical Field

[0001] The present invention relates to the technical field of fire prevention for diesel locomotive scheduling, and in particular to a fire protection mechanism and an auxiliary shielding device. Background Art

[0002] DF4DD diesel locomotives are an important tool for railway transportation. When transporting flammable items such as coal, the fire hazard caused by chimney design defects is becoming increasingly prominent. The existing chimney design mainly has the following problems: the chimney of DF4DD diesel locomotive adopts a vertical open design, with only rain protection function on the top, lacks fire protection design, and cannot effectively isolate the external environment. During coal transportation, coal powder is easily accumulated at the root of the chimney. Due to the high temperature environment inside the chimney, the accumulated coal powder is prone to spontaneous combustion and cause fire. During winter operations, the on-site rolling rollers are sticky with coal, and the high-temperature flue gas discharged from the chimney is directly sprayed onto the rolling rollers, causing the sticky coal to fall into the chimney mouth. After being heated by the high-temperature exhaust gas, it burns, and sparks fly. Chimney fires will not only cause damage to the locomotive, but also threaten personnel safety, posing a major hidden danger to railway transportation safety.

[0003] Therefore, there is a need for a fire protection mechanism and auxiliary shielding device that can effectively isolate the root of the chimney from the outside world and prevent coal powder accumulation, thereby eliminating the hidden danger of coal accumulation and combustion at the root of the chimney, and prevent the high-temperature flue gas discharged from the chimney from directly blowing the rolling roller, avoiding sticky coal from entering the chimney and burning, and can have a certain collection effect on the scattered coal ash in the locomotive site section to meet actual needs. Summary of the invention

[0004] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the title of the invention of this application to avoid blurring the purpose of this section, the abstract of the specification and the title of the invention, and such simplifications or omissions cannot be used to limit the scope of the present invention.

[0005] In view of the increasingly prominent fire hazard problem caused by chimney design defects in the above-mentioned prior art, coal powder is easily accumulated at the root of the chimney, and the high-temperature flue gas discharged from the chimney is directly sprayed onto the rolling roller, causing sticky coal to fall into the chimney mouth and burn after being heated by the high-temperature exhaust gas, which can easily cause a fire.

[0006] Therefore, the technical problem to be solved by the present invention is to design a fire protection mechanism and auxiliary shielding device that can effectively isolate the root of the chimney from the outside world and prevent coal powder accumulation, thereby eliminating the hidden danger of coal accumulation and combustion at the root of the chimney, and prevent the high-temperature flue gas discharged from the chimney from directly blowing the rolling roller, avoiding sticky coal from entering the chimney and burning, and can have a certain collection effect on the scattered coal ash in the locomotive site section to meet actual needs.

[0007] In order to solve the above technical problems, the present invention provides the following technical solutions: a protective shell;

[0008] The cover plate is fixedly mounted on both sides of the protective shell, and the cover plate and the protective shell are tilted at an angle of 180 to 360 degrees.

[0009] As an improvement of the present invention, an accumulation groove is fixedly opened on the top of the protective shell, and a synchronization groove is fixedly opened on the top of the cover plate.

[0010] As an improvement of the present invention, one end of the accumulation groove is parallel to the edge of the protective shell, and one end of the synchronization groove is parallel to the edge of the cover plate.

[0011] As an improvement of the present invention, the other end of the accumulation groove does not contact the edge of the protective shell, and the other end of the synchronization groove does not contact the edge of the cover plate.

[0012] As an improvement of the present invention, impact grooves are fixedly provided at the bottom of the protective shell and the cover plate, and the impact grooves are arranged in a tooth shape.

[0013] As an improvement of the present invention, a placement groove is fixedly arranged on one side of the accumulation groove, and a blocking plate is installed at the ends of the protective shell and the cover plate.

[0014] An auxiliary shielding device is characterized by: a barrier cover located below the protective shell, fixing a discharge channel that passes through the barrier cover.

[0015] As an improvement of the present invention, the outer wall of the barrier cover and the installation plane are inclined at an angle of 0 to 60 degrees, and a support plate is fixedly installed on the top of the barrier cover.

[0016] As an improvement of the present invention, a mounting slope is provided on the top of the support plate, and the mounting slope is fixedly connected to the bottom of the protective shell.

[0017] As an improvement of the present invention, a support rod is fixedly arranged on the top of the barrier cover, the top of the support rod is fixedly connected to the bottom of the protective shell, and a hanging platform is arranged on the side wall of the barrier cover.

[0018] The beneficial effects of the present invention are: it can effectively isolate the root of the chimney from the outside world, prevent coal powder from accumulating, thereby eliminating the hidden danger of coal accumulation and combustion at the root of the chimney, and prevent the high-temperature flue gas discharged from the chimney from directly blowing onto the rolling roller, avoiding sticky coal from falling into the chimney and burning. The top can collect the scattered coal ash from the on-site locomotive section, which is convenient for recycling. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0020] Figure 1 It is the external three-dimensional structure diagram of the present invention.

[0021] Figure 2 It is a three-dimensional diagram from another angle in the present invention.

[0022] Figure 3 It is a three-dimensional schematic diagram from the back perspective in the present invention.

[0023] Figure 4 It is a schematic diagram of the lower structure separation in the present invention. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0025] Example 1

[0026] Reference Figure 1 , this embodiment provides a fire protection mechanism.

[0027] The protective shell 100 is made of high-temperature resistant stainless steel plate, and two cover plates 200 are fixedly arranged on both sides of the protective shell 100. The connecting end of each cover plate 200 and the protective shell 100 is set with an inclination angle of 180 to 360 degrees, so that the combined shape of the entire protective shell 100 and the cover plate 200 is similar to a trapezoid.

[0028] The protective shell 100 and the cover plate 200 together form a fire protection mechanism at the top of the application scene, which prevents the scattered coal ash from falling into the chimney below. By setting the inclination angle, when the coal ash particles fall on the cover plate 200, they can slide down under the action of gravity and will not accumulate too much on the cover plate 200.

[0029] The fire protection mechanism is not connected to the chimney directly horizontally, but also presents a certain degree of oblique angle. Therefore, after the fire protection mechanism is installed, it is also in an inclined state. The overall inclined fire protection mechanism can guide the smoke in the chimney to a certain extent, preventing the smoke from escaping in different directions around and making the on-site environment chaotic.

[0030] There is a core process of flattening coal blocks by rolling rollers at the locomotive section, but the rolling rollers often have to stay above the chimney. The protective shell 100 and the cover plate 200 can effectively guide the smoke in the chimney to be discharged in other directions instead of blowing directly on the rolling rollers, so that the coal blocks stuck on the rolling rollers are difficult to be blown and baked by the high-temperature smoke and cause coal to fall. Even if there is occasional coal falling, it can be blocked by the protective shell 100 and the cover plate 200 and will not fall into the chimney.

[0031] The inclination angle of 180 to 360° can ensure that the inclination angle of the cover plate 200 can meet the needs of the on-site environment.

[0032] Example 2

[0033] Reference Figures 1 to 3 This embodiment is based on the previous embodiment, and is different from the previous embodiment in that:

[0034] The top of the protective shell 100 is provided with an accumulation groove 300 in a fixed array, and the top of the cover plate 200 is provided with a synchronization groove 301 whose size matches that of the accumulation groove 300, and the synchronization groove 301 is also arranged in an array. The tops of the accumulation groove 300 and the synchronization groove 301 are flush with and connected to the edges of the protective shell 100 and the cover plate 200, but the ends of the accumulation groove 300 and the synchronization groove 301 are embedded in the protective shell 100 and the cover plate 200, and will not be connected to the other ends of the protective shell 100 and the cover plate 200.

[0035] The function of the accumulation trough 300 and the synchronous trough 301 is to collect and summarize the scattered coal ash in the on-site locomotive section. The accumulation trough 300 and the synchronous trough 301 themselves can follow the inclination of the protective shell 100 and the cover plate 200 and maintain an inclined state. After the coal ash falls into the accumulation trough 300 and the synchronous trough 301, it can also be accumulated and stored toward the end of the accumulation trough 300 and the synchronous trough 301 under the action of gravity.

[0036] The accumulation groove 300 and the synchronization groove 301 are both arranged in an array-like tooth shape, which effectively increases the contact area with the coal ash. When the work is finished, the staff can directly sweep the coal ash out of the accumulation groove 300 and the synchronization groove 301. Since the top of the accumulation groove 300 and the synchronization groove 301 are flush with and connected to the edge of the protective shell 100 and the cover plate 200, it is very convenient to clean. The swept coal ash can be summarized for secondary use to avoid waste.

[0037] An array of impact grooves 400 are fixedly provided at the bottom of the protective shell 100 and the cover plate 200, facing the chimney. The shape of the impact grooves 400 is set to be tooth-shaped, which increases the contact impact surface with the chimney smoke, can better disperse the smoke, reduce the smoke and dust dispersion effect, ensure the cleanliness of the on-site environment, and play a positive role in the construction safety of the workers.

[0038] On one side of the accumulation trough 300, between the accumulation trough 300 and the edge of the protective shell 100, a placement trough 302 is fixedly opened. Brushes and other tools for cleaning coal ash can be placed in the placement trough 302, and workers do not need to carry tools and climb onto the top of the locomotive for cleaning every time, which reduces the construction burden of workers. A blocking plate 303 is installed at the end of the protective shell 100 and the cover plate 200. The blocking plate 303 can prevent chimney smoke from escaping from the tail of the protective shell 100 and the cover plate 200, making the on-site environment chaotic.

[0039] Example 3

[0040] Reference Figures 1 to 4 This embodiment is based on the previous embodiment, and is different from the previous embodiment in that:

[0041] Below the protective shell 100, a barrier cover 500 is fixedly installed around the chimney. The outer wall of the barrier cover 500 and the installation plane on the top of the locomotive are inclined at an angle of 0 to 60 degrees, so that the four side walls of the barrier cover 500 also form inclined surfaces. Once smoke particles or coal ash fall on the four side walls of the barrier cover 500, they will also slide down under the action of gravity.

[0042] The center of the barrier cover 500 is provided with an emission channel 501, which is directly connected to the chimney emission port. The smoke can move along the emission channel 501, thereby contacting the impact groove 400 below the protective shell 100 and the cover plate 200. After the smoke is dispersed, it is discharged through the protective shell 100 and the barrier cover 500. The top of the support plate 502 is fixedly provided with an installation slope 502a, and the inclined surface of the installation slope 502a is the contact surface with the bottom of the protective shell 100, which can ensure that the entire protective shell 100 and the cover plate 200 are set in an inclined state, which can play a certain guiding role for the smoke in the chimney, and can also play a positive effect on the accumulated coal particles in the accumulation groove 300 and the synchronization groove 301, so as to facilitate the rolling and induction of the particles.

[0043] Two support rods 503 are also fixedly arranged on the top of the barrier cover 500. The top of the support rods 503 is fixedly connected to the bottom of another section of the protective shell 100. The height of the support rods 503 is obviously higher than the installation slope 502a, so as to finally present a tilting effect. A hanging platform 504 is welded to the side wall of the barrier cover 500. The hanging platform 504 is convenient for on-site installation of hanging ropes, steel cables and other tools to fix the entire device.

[0044] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A fire protection mechanism, characterized in that: include, Protective shell (100); The cover plate (200) is fixedly mounted on both sides of the protective shell (100), and the cover plate (200) and the protective shell (100) are inclined at an angle of 180 to 360 degrees.

2. The fire protection mechanism according to claim 1, characterized in that: An accumulation groove (300) is fixedly provided on the top of the protective shell (100), and a synchronization groove (301) is fixedly provided on the top of the cover plate (200).

3. The fire protection mechanism according to claim 2, characterized in that: One end of the accumulation groove (300) is parallel to the edge of the protective shell (100), and one end of the synchronization groove (301) is parallel to the edge of the cover plate (200).

4. The fire protection mechanism according to claim 2, characterized in that: The other end of the accumulation groove (300) does not contact the edge of the protective shell (100), and the other end of the synchronization groove (301) does not contact the edge of the cover plate (200).

5. The fire protection mechanism according to claim 2, characterized in that: Impact grooves (400) are fixedly provided at the bottom of the protective shell (100) and the cover plate (200), and the impact grooves (400) are arranged in a tooth shape.

6. The fire protection mechanism according to claim 5 is characterized in that: a placement groove (302) is fixedly arranged on one side of the accumulation groove (300), and a blocking plate (303) is installed at the ends of the protective shell (100) and the cover plate (200).

7. An auxiliary shielding device, characterized in that: comprising the fire protection mechanism of claim 6, and The barrier cover (500) is located below the protective shell (100), and a discharge channel (501) that passes through the barrier cover (500) is fixed.

8. The auxiliary shielding device according to claim 7, characterized in that: The outer wall of the barrier cover (500) and the installation plane are inclined at an angle of 0 to 60 degrees, and a support plate (502) is fixedly installed on the top of the barrier cover (500).

9. The auxiliary shielding device according to claim 8, characterized in that: The top of the support plate (502) is provided with a mounting slope (502a), and the mounting slope (502a) is fixedly connected to the bottom of the protective shell (100).

10. The auxiliary shielding device according to claim 7, characterized in that: A support rod (503) is also fixedly arranged on the top of the barrier cover (500), the top of the support rod (503) is fixedly connected to the bottom of the protective shell (100), and a hanging platform (504) is arranged on the side wall of the barrier cover (500).

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