Convenient-to-use spark extinguishing device for exhaust duct of diesel locomotive
The spark extinguishing device, with its multi-stage spark extinguishing structure and regulating ring design, solves the problem that existing spark extinguishers cannot adapt to different exhaust pipe diameters of internal combustion locomotives, achieving both high-efficiency spark extinguishing and safety.
Patent Information
- Application Number
- CN202520093181.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2035-01-15
AI Technical Summary
The existing external spark arresters have fixed specifications, which cannot adapt to the different exhaust pipe diameters of internal combustion locomotives, and their spark arresting effect is poor.
A connecting cylinder composed of multiple adjusting rings was designed. Combined with the star-extinguishing cone, star-blocking ring and gas turbulence structure inside the extinguishing cylinder, multi-stage star extinguishing is achieved through spiral blades and gas turbulence plates. It can adapt to exhaust pipes of different diameters and ensure the sealing of the connection through sealing components.
It has achieved compatibility with exhaust pipes of different specifications of diesel locomotives, improved the extinguishing effect, reduced air leakage, and ensured the safe use of diesel locomotive exhaust pipes.
Smart Images
Figure CN223634772U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of spark arrestors of internal combustion locomotive exhaust pipeline, belong to internal combustion locomotive equipment technical field. BACKGROUND
[0002] Internal combustion locomotive is with internal combustion engine as prime mover, through transmission drive wheel rotation's locomotive.In the occasion of having explosion-proof requirement, when using internal combustion locomotive, need to be built-in exhaust pipeline spark arrestor in exhaust system for preventing spark emission.In the actual operation of internal combustion locomotive, it is often difficult to extract enough time to dismount and maintain the spark arrestor inside exhaust pipeline due to busy work, and the built-in spark arrestor dismounting and maintenance cost is higher, thus it is necessary to connect the spark arrestor outside internal combustion locomotive exhaust pipeline for fire protection.
[0003] The existing external spark arrestor is mostly fixed in specification, cannot be adjusted to different internal combustion locomotive exhaust port pipe diameter, and is inconvenient to use, and the internal star extinguishing structure mostly only has once star extinguishing structure, and the star extinguishing effect is poor, so it is necessary to improve. UTILITY MODEL CONTENTS
[0004] The technical problem to be solved by the utility model is to provide a kind of spark arrestor of internal combustion locomotive exhaust pipeline, which is convenient to use, and can be used for different internal combustion locomotive exhaust pipeline with different diameters, and has multiple internal star extinguishing circuits and good star extinguishing effect.
[0005] The technical solution to solve the above technical problems is:
[0006] A kind of spark arrestor of internal combustion locomotive exhaust pipeline, which is convenient to use, it includes connecting cylinder and extinguishing cylinder, the connecting cylinder is the conical cylinder body with two ends open, the diameter of the front end of the conical cylinder body of the connecting cylinder is less than the diameter of the rear end, the conical cylinder body of the connecting cylinder is connected by multiple adjusting rings, multiple adjusting rings are conical rings respectively, the diameter of the front end adjusting ring is less than the diameter of the rear end adjusting ring, the two ends of multiple adjusting rings of the connecting cylinder are respectively provided with flange, adjacent adjusting rings are connected by flange, the front end of the frontmost adjusting ring of the connecting cylinder is connected with the rear end of internal combustion locomotive exhaust pipeline by flange, the rear end of the last adjusting ring of the connecting cylinder is connected with the front end of the extinguishing cylinder by flange, the extinguishing cylinder is cylindrical body, star extinguishing cone and star blocking ring are installed in the extinguishing cylinder, the star extinguishing cone is the rear end open cone cylinder, the cone tip of the cone cylinder is directed to the connecting cylinder direction, multiple gas inlets are uniformly distributed on the wall of the cone cylinder, the star blocking ring is located behind the star extinguishing cone, the star blocking ring is conical ring, the conical direction of the star blocking ring is directed to the rear end of the extinguishing cylinder, the circumferential edge of the star blocking ring is fixedly connected with the inner wall of the extinguishing cylinder.
[0007] The convenient-to-use internal combustion engine vehicle exhaust pipeline spark extinguishing device has multiple connecting rods evenly distributed on the outer periphery of the rear end of the extinguishing cone inside the extinguishing cylinder, the two ends of the multiple connecting rods are respectively welded to the outer periphery of the extinguishing cone and the inner wall of the extinguishing cylinder, there are gaps between the multiple connecting rods for gas to pass through, a rotating shaft, a spiral blade and a gas spoiler are installed in the extinguishing cone, the upper end of the rotating shaft is connected to the top end of the inner wall of the extinguishing cone through a bearing, the lower end of the rotating shaft is connected to the center of the gas spoiler through a bearing, the circumferential edge of the gas spoiler is fixedly connected to the inner wall of the extinguishing cone, the spiral blade is fixedly arranged around the rotating shaft, and a plurality of gas flow channel holes for gas to flow through are arranged on the gas spoiler.
[0008] The convenient-to-use internal combustion engine vehicle exhaust pipeline spark extinguishing device has a gas flow port at the front end of the conical ring of the extinguishing ring inside the extinguishing cylinder, and a circular extinguishing plate is arranged at the rear central position of the conical ring of the extinguishing ring.
[0009] The convenient-to-use internal combustion engine vehicle exhaust pipeline spark extinguishing device has a gas flow port at the front end of the conical ring of the extinguishing ring inside the extinguishing cylinder, and a circular extinguishing plate is arranged at the rear central position of the conical ring of the extinguishing ring.
[0010] The internal combustion engine vehicle exhaust pipeline spark extinguishing device has the advantages that:
[0011] The connecting cylinder is composed of multiple adjusting rings, the diameters of the multiple adjusting rings are arranged in order from small to large, the multiple adjusting rings can be connected according to different internal combustion engine exhaust pipeline diameters, and the device is very convenient to use.
[0012] The internal combustion engine vehicle exhaust pipeline spark extinguishing device can be installed on internal combustion engine exhaust pipelines of different specifications, meets use needs, reduces gas leakage, multiple extinguishing components inside the device can collide and extinguish sparks multiple times, the extinguishing effect is guaranteed, and the use safety of the internal combustion engine vehicle exhaust pipeline is guaranteed. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 is a structural schematic view of the utility model;
[0014] Figure 2 is Figure 1 a longitudinal sectional view of the utility model;
[0015] Figure 3is Figure 2 a sectional view of the extinguishing cone;
[0016] Figure 4 is Figure 2 a partial schematic view of A.
[0017] The figure is marked as follows: connecting cylinder 1, extinguishing cylinder 2, adjusting ring 3, flange 4, extinguishing cone 5, star blocking ring 6, gas inlet 7, connecting rod 8, rotating shaft 9, helical blade 10, gas spoiler 11, gas flow port 12, star blocking plate 13, fixed rod 14, arc-shaped rubber ring 15, flange rubber ring 16. DETAILED DESCRIPTION
[0018] The utility model discloses a connecting cylinder 1, extinguishing cylinder 2, extinguishing cone 5, star blocking ring 6, connecting rod 8, fixed rod 14, arc-shaped rubber ring 15, flange rubber ring 16 are composed.
[0019] Figure 1 、 2 It is shown that the connecting cylinder 1 and the extinguishing cylinder 2 of the utility model are connected. The connecting cylinder 1 is a conical cylinder body with two open ends, and the diameter of the front end of the conical cylinder body of the connecting cylinder 1 is smaller than that of the rear end. The conical cylinder body of the connecting cylinder 1 is composed of a plurality of adjusting rings 3, and the plurality of adjusting rings 3 are respectively conical rings. The diameter of the front end adjusting ring 3 is smaller than that of the rear end adjusting ring 3. The front end of the frontmost adjusting ring 3 of the connecting cylinder 1 is connected to the rear end of the exhaust pipe of the internal combustion locomotive through a flange 4, and the rear end of the last adjusting ring 3 of the connecting cylinder 1 is connected to the front end of the extinguishing cylinder 2 through a flange 4. The connecting cylinder 1 is connected by adjusting rings 3 of different diameters. In actual use, adjusting rings 3 of different corresponding diameters can be selected to butt joint according to the caliber of the exhaust pipe of the internal combustion locomotive, avoiding the disadvantages that the existing external spark arrester cannot be connected to different exhaust pipes of internal combustion locomotives due to fixed specifications, and use is very convenient.
[0020] Figure 2 It is shown that the extinguishing cylinder 2 is a cylindrical body, and the extinguishing cone 5 is installed in the inside of the extinguishing cylinder 1. The extinguishing cone 5 is used for extinguishing the sparks in the gas entering the extinguishing cylinder 1. The extinguishing cone 5 is a rear-end open cone cylinder, and the tip of the cone cylinder faces the connecting cylinder 1. The rear end of the extinguishing cone 5 is uniformly distributed with a plurality of connecting rods 8. The two ends of the plurality of connecting rods 8 are respectively welded and connected to the circumferential outer wall of the extinguishing cone 5 and the inner wall of the extinguishing cylinder 2. There is a gap between the plurality of connecting rods 8 for the gas to pass through. The cone cylinder wall of the extinguishing cone 5 is uniformly distributed with a plurality of gas inlets 7. The gas of the connecting cylinder 1 enters the extinguishing cone 5 through the gas inlets 7.
[0021] Figure 3It is shown that the rotating shaft 9, the helical blade 10 and the gas spoiler 11 are arranged in the extinguishing cone 5. The upper end of the rotating shaft 9 is connected with the top end of the inner wall of the extinguishing cone 5 through a bearing, the lower end of the rotating shaft 9 is connected with the center of the gas spoiler 11 through a bearing, the circumferential edge of the gas spoiler 11 is fixedly connected with the inner wall of the extinguishing cone 5, and the helical blade 10 is fixedly arranged on the rotating shaft 9 and is provided with a plurality of gas flow channel holes for gas flow.
[0022] Figure 2 It is shown that the extinguishing cylinder 2 is further provided with the star blocking ring 6 which is located at the rear of the extinguishing cone 5. The star blocking ring 6 is a conical ring, the conical direction of the star blocking ring 6 is towards the rear end of the extinguishing cylinder 2, and the circumferential edge of the star blocking ring 6 is fixedly connected with the inner wall of the extinguishing cylinder 2. The front end of the conical ring of the star blocking ring 6 is the gas flow port 12, the rear part of the conical ring of the star blocking ring 6 is provided with the circular star blocking plate 13 which is connected with the inner wall of the conical ring of the star blocking ring 6 through a plurality of fixing rods 14.
[0023] The helical blade 10 and the gas spoiler 11 are in a fixed state, the gas enters into the extinguishing cone 5 through the gas inlet, and the gas flows through the helical channel formed by the helical blade 10 and then is disturbed and dispersed through a plurality of gas flow channel holes on the gas spoiler 11.
[0024] Figure 4 It is shown that the opposite ends of the adjacent adjusting rings 3 of the connecting cylinder 1 are respectively provided with sealing assemblies which are composed of the arc-shaped rubber ring 15 and the flange rubber ring 16, the arc-shaped rubber ring 15 and the flange rubber ring 16 are respectively fixedly arranged on the opposite flange inner rings of the adjacent adjusting rings 3, the arc-shaped rubber ring 15 and the flange rubber ring 16 are tightly connected, and the front end of the extinguishing cylinder 2 is provided with the flange rubber ring 16 which is clamped and connected with the arc-shaped rubber ring 15 of the adjusting ring 3 at the rear end of the connecting cylinder 1.
[0025] The use process of the utility model is as follows:
[0026] In use, the adjusting ring 3 of the connecting cylinder 1 is selected according to the caliber of the exhaust pipeline of the diesel locomotive, so that the diameter of the adjusting ring 3 is same as the caliber of the exhaust pipeline of the diesel locomotive, then the adjusting ring 3 at the front end of the connecting cylinder 1 is connected with the exhaust pipeline of the diesel locomotive through the flange 4, and the adjacent adjusting cylinders 3 of the connecting cylinder 1 are connected with each other through the flange 4, when the connecting cylinder 1 is connected, the flange rubber ring 16 is clamped into the arc-shaped rubber ring 15 adjacent thereto, so as to block the joint gap;
[0027] After the diesel locomotive is started, the gas of the exhaust pipeline of the diesel locomotive enters into the extinguishing cylinder 2 through the connecting cylinder 1, and the gas enters into the extinguishing cone 5 from the gas inlet 7 on the conical wall of the extinguishing cone 5 in the extinguishing cylinder 2;
[0028] The gas enters the inner cavity of the extinguishing cone 5, flows through the helical rotating gas flow channel formed by the helical blade 10 and the inner wall of the extinguishing cone 5, and the sparks in the gas are collided and extinguished in the process, so that the primary star extinguishing operation is realized, and the gas continues to flow through the gas flow channel holes on the gas spoiler 11 and is disturbed and divided to flow in the rear part of the extinguishing cylinder 2.
[0029] The gas entering the extinguishing cylinder 2 will escape to the rear part of the extinguishing cylinder 2 through the gap of the connecting rod 8 outside the circumference of the extinguishing cone 5, and the star blocking ring 6 at the rear part of the extinguishing cylinder 2 and the star blocking plate 13 in the middle of the star blocking ring 6 can intercept the flowing and escaping gas, so that the sparks in the gas are eliminated.
[0030] An embodiment of the utility model is as follows:
[0031] The length of the connecting cylinder 1 is 1500mm, the small diameter of the front end is 500mm, the large diameter of the rear end is 800mm, and the adjusting ring 3 is three;
[0032] The diameter of the extinguishing cylinder 2 is 650mm, and the length is 500mm;
[0033] The length of the extinguishing cone 5 is 500mm, the small diameter of the front end is 200mm, the large diameter of the rear end is 600mm, the length of the gas inlet 7 is 1000mm, the width is 300mm, the diameter of the connecting rod 8 is 200mm, and the length is 100mm;
[0034] The length of the star blocking ring 6 is 100mm, the diameter of the gas flow port 12 is 20mm, the diameter of the star blocking plate 13 is 50mm, the diameter of the fixed rod 14 is 750mm, and the length is 50mm;
[0035] The diameter of the rotating shaft 9 is 400mm, and the length is 50mm;
[0036] The diameter of the gas spoiler 11 is 30mm.
Claims
1. A convenient-to-use, internal combustion engine vehicle exhaust pipe spark arrestor, characterized by: It includes connecting cylinder (1) and extinguishing cylinder (2), the connecting cylinder (1) is the conical cylinder body of two ends opening, the diameter of the conical cylinder body front end of connecting cylinder (1) is less than the diameter of the rear end, the conical cylinder body of connecting cylinder (1) is connected by multiple adjusting rings (3), multiple adjusting rings (3) are respectively conical circular ring, the diameter of front end adjusting ring (3) is less than the diameter of rear end adjusting ring (3), the two ends of multiple adjusting rings (3) of connecting cylinder (1) have flange (4) respectively, adjacent adjusting ring (3) is connected through flange (4), the front end of the most front end adjusting ring (3) of connecting cylinder (1) is connected with the rear end of the exhaust pipe of internal combustion engine through flange (4), the rear end of the last end adjusting ring (3) of connecting cylinder (1) is connected with the front end of extinguishing cylinder (2) through flange (4), extinguishing cylinder (2) is the cylinder body, the inside of extinguishing cylinder (2) is installed extinguishing star cone (5) and star ring (6), extinguishing star cone (5) is the conical cylinder of rear end opening, the tip of the conical cylinder is towards the direction of connecting cylinder (1), the conical cylinder wall is evenly distributed with multiple gas inlets (7), star ring (6) is located at the rear of extinguishing star cone (5), star ring (6) is conical circular ring, the conical direction of star ring (6) is towards the rear end of extinguishing cylinder (2), the circumferential edge of star ring (6) is fixedly connected with the inner wall of extinguishing cylinder (2).
2. The convenient-to-use, internal combustion engine vehicle exhaust pipe spark arrestor of claim 1, wherein: The rear end circumferential outside of extinguishing star cone (5) inside the extinguishing cylinder (2) is evenly distributed with multiple connecting rods (8), the two ends of multiple connecting rods (8) are welded with the circumferential outer wall of extinguishing star cone (5) and the inner wall of extinguishing cylinder (2) respectively, there is gap between multiple connecting rods (8) for gas passing, the inside of extinguishing star cone (5) is installed rotating shaft (9), helical blade (10) and gas spoiler (11), the upper end of rotating shaft (9) is connected with the inner wall top end of extinguishing star cone (5) through bearing, the lower end of rotating shaft (9) is connected with the center of gas spoiler (11) through bearing, the circumferential edge of gas spoiler (11) is fixedly connected with the inner wall of extinguishing star cone (5), helical blade (10) is fixed on rotating shaft (9), gas spoiler (11) is provided with a plurality of gas flow passage holes for gas flow.
3. The convenient-to-use, internal combustion engine vehicle exhaust pipe spark arrestor of claim 1, wherein: The front end of the conical circular ring of star ring (6) inside the extinguishing cylinder (2) is gas flow port (12), the rear part central position of the conical circular ring of star ring (6) has circular star plate (13), the circumferential edge of star plate (13) is connected with the inner wall of the conical circular ring of star ring (6) through multiple fixed rods (14) respectively.
4. The convenient-to-use, internal combustion engine vehicle exhaust pipe spark arrestor of claim 1, wherein: The opposite ports of adjacent adjusting rings (3) of connecting cylinder (1) have sealing assemblies respectively, the sealing assemblies are composed of arc rubber ring (15) and flange rubber ring (16), the arc rubber ring (15) and flange rubber ring (16) are fixed on the opposite flange inner rings of adjacent adjusting rings (3) respectively, the arc rubber ring (15) and flange rubber ring (16) are tightly connected, the front end of extinguishing cylinder (2) has flange rubber ring (16) and the arc rubber ring (15) of adjusting ring (3) of the rear end of connecting cylinder (1) clamping connection.