TWI632291B - Air intake structure of locomotive engine - Google Patents

Abstract

The invention relates to an air intake structure of a locomotive engine. The engine has a transmission case. The transmission case is provided with a stepless speed change system. The transmission case has an air inlet. The transmission case is provided with an air filter. The air filter has a body, a filter element, an intake pipe, and a cover. The air inlet of the transmission box is provided with an air inlet cover. The cover of the air filter is provided with an extension. The extension The air inlet cover can be shielded; an extension portion is extended toward the air inlet of the transmission box through the cover of the air filter, the extension portion has an extension channel section and a shielding section; the extension channel section can be formed Intake duct, the shielding section extends more forward than the air inlet and the air inlet cover of the transmission case, and the shielding section can cover the air inlet and air inlet cover of the transmission case from a side view. The shielding section and the front cover of the air intake cover form a certain distance, which can form a circuitous main air inlet; the main air inlet can be entered by outside air along the extension and then enter the Inside the air filter, the front cover of the air intake cover blocks Outside dust enters the extension portion, thereby can improve the useful life of the air cleaner.

Description

Air intake structure of locomotive engine

The present invention relates to an air intake structure of a locomotive engine, and more particularly, it can reduce the dust contained in the air from entering the air filter, thereby further ensuring the purity of the air in the air filter and thus improving the air. The air intake structure of the locomotive engine with the use efficiency and service life of the filter.

According to the general locomotive, the clean air and fuel oil introduced from the outside are mixed into oil and gas, and then the oil and gas is blasted into the engine to generate power, and the piston is reciprocated. To achieve the purpose of marching.

Therefore, how to make the air filter of the locomotive inhale the clean outside air has become an urgent problem for locomotive manufacturers. To this end, the applicant has applied for the invention patent No. 93127804, as shown in Figure 1.

The invention patent No. 93127804 enables the air cleaner to suck in cleaner air to improve the explosion efficiency after the oil and gas is input into the engine. However, the applicant upholds the spirit of excellence and further creates the leading air for the air filter, and prays that the air filter can inhale the outside air to purify the air.

The main object of the present invention is to provide an air intake structure of a locomotive engine, thereby overcoming the lack of conventional air intake structure of a conventional locomotive engine that would cause difficulties in disposing mechanism components and fail to effectively provide clean air intake of an air filter.

In order to achieve the above object, the present invention adopts a main technical means: providing an air intake structure of a locomotive engine, the engine having a transmission box, the transmission box is provided with a stepless speed change system, the transmission box has an air inlet, and the vicinity thereof The transmission box is provided with an air filter. The air filter has a body, a filter element, an intake pipe and a cover. The air inlet of the transmission box is provided with an air filter. There is an air intake cover, and the cover of the air filter is provided with an extension portion, and the extension portion can shield the air intake cover.

The effect that the present invention can achieve through the above technical means is that an extension is extended toward the air inlet of the transmission box through the cover of the air filter, and the extension has an extension channel section and a shielding section; The extension channel section can form an air inlet, and the shield section extends more forward than the air inlet and the air inlet cover of the transmission case. The shield section can view the air inlet and the inlet of the transmission case from a side view. The air cover is shielded, and the shielding section and the front cover of the air intake cover form a certain distance, which can form a circuitous main air inlet; the main air inlet can allow the outside air to enter the rear edge The extension portion enters the air filter again, and the front cover of the air intake cover can block and reduce external sand and dust from entering the extension portion, thereby improving the service life of the air filter.

A secondary effect of the present invention is that an extension is extended toward the air inlet of the transmission box through the cover of the air filter, and the extension has an extension channel section and a shielding section; the extension channel section can be formed Intake duct, the shielding section extends more forward than the air inlet and the air inlet cover of the transmission case, and the shielding section can cover the air inlet and air inlet cover of the transmission case from a side view. The shielding section and the front cover of the air intake cover form a certain distance, which can form a circuitous main air inlet; the air intake portion of the air filter can be arranged in the transmission case. On the outer side, the air intake portion of the air filter can avoid interference with other locomotive parts, thereby improving the freedom of setting of other locomotive parts.

Another effect of the present invention is that the upper end edge of the extension channel section and the transmission box also have a primary air inlet, so the outside air will also enter the extension of the cover from the secondary air inlet, and the secondary air The air duct will merge with the air entering from the main air duct and enter the air filter. After being filtered by the filter element, the air duct is sent to the engine through the air outlet pipe of the main body, thereby ensuring that the air filter can be obtained. Sufficient air intake.

Another effect of the present invention is that a drain slot is provided below the shielded section of the extension. When there is a part of external water or sand, the shielded section of the extension and the air intake cover After the main air inlet between the front covers enters, the water and sand can be discharged out of the extension through the water leakage slot of the extension by the weight of the water and the dust itself. To avoid entering the air filter, thereby further improving the service life of the air filter.

1‧‧‧ gearbox

11‧‧‧stepless speed change system

12‧‧‧air inlet

13‧‧‧Air intake cover

131‧‧‧ Front cover

132‧‧‧air inlet

14‧‧‧Filter

1a‧‧‧First half

2‧‧‧air filter

21‧‧‧ Ontology

211‧‧‧Exhaust tube

22‧‧‧Filter element

23‧‧‧Air inlet pipe

231‧‧‧Air outlet

24‧‧‧ Cover

241‧‧‧ extension

2411‧‧‧Extended passage section

2411a‧‧‧ Upper edge

2412‧‧‧ Covered Section

2413‧‧‧ Drainage

A‧‧‧ main entrance

B‧‧‧ times into the wind tunnel

The first figure is the invention patent No. 93127804.

FIG. 2 is a schematic diagram of an intake structure of a locomotive engine according to the present invention.

FIG. 3 is a schematic assembly diagram of an intake structure of a locomotive engine according to the present invention.

FIG. 4 is an exploded view of the air cleaner of the present invention.

FIG. 5 is a schematic cross-sectional view of intake air of a locomotive engine according to the present invention.

In order to make it easier for your examiner to understand the structure of the present invention and the effect that can be achieved, it is explained with drawings as follows; First, please refer to FIGS. 2 and 3, the air intake structure of the locomotive engine of the present invention, the locomotive engine A transmission case 1 is provided, and an air filter 2 is provided in the vicinity of the transmission case 1 and can supply clean air required when the engine explodes.

As shown in Figures 2, 3, and 5, the transmission case 1 is provided with a stepless speed change system 11. The front end of the transmission case 1 is provided with an air inlet 12, which can be used by outside cold air to enter the transmission case. 1 to cool the stepless speed change system 11; an air inlet cover 13 is provided at the front end of the air inlet 12, a front cover 131 is provided at the front end of the air inlet cover 13, and an air inlet is provided at the side 132; In addition, the transmission box 1 is provided at the rear end of the air inlet 12, that is, a filter 14 is provided in the transmission box 1 adjacent to the air inlet 12; thereby, cold air from the outside can be received from the air inlet cover 13 side. The side air inlet 132 enters the air inlet 12 and is filtered by the filter element 14 and enters the interior of the transmission case 1 to cool the stepless transmission system 11.

As shown in Figures 2, 3, and 4, the air cleaner 2 has a body 21, a filter element 22, an intake pipe 23, and a cover 24; an air outlet pipe 211 is provided on one side of the body 21, The filter element 22 is installed on the other side of the main body 21. More specifically, the filter element 22 is provided on the opposite side of the main body 21 from which the air pipe 211 is provided; the cover 24 is provided on the main body 21. The filter element 22 is provided. Specifically, after the cover body 24 is covered on the body 21, the filter element 22 is covered; the air inlet pipe 23 is embedded in the body 21 and the cover. Between the bodies 24, more specifically, the air inlet pipe 23 is provided between the filter element 22 and the cover body 24; and one side of the air inlet pipe 23 is an open air outlet. 231. The air outlet portion 231 is located in a range covered by the main body 21 and the cover 24.

As shown in FIGS. 2, 3 and 4, the cover body 24 extends an extension 241 toward the air inlet 12 of the transmission case 1. The extension 241 has an extension passage section 2411 and a shielding section 2412. The extension passage section 2411 can form an air inlet duct. The extension channel section 2411 extends obliquely from top to bottom and downwards. A drain slot 2413 is provided below the shielding section 2412. The shielding section 2412 is more than the inlet of the transmission case 1. The air inlet 12 and the air inlet cover 13 extend further forward. More specifically, the shielding section 2412 can completely shield the air inlet 12 and the air inlet cover 13 of the transmission case 1 from a side view.

As shown in FIGS. 2, 3 and 5, in the implementation of the present invention, the filter element 22 of the air cleaner 2 is disposed on the main body 21, and the cover 24 is disposed on the main body 21. The air pipe 23 is clamped between the main body 21 and the cover body 24, and the air outlet portion 231 of the air inlet pipe 23 faces the cover body 24, that is, the air outlet portion 231 of the air inlet pipe 23 is located at the filter element. 22 and the cover 24; after the cover 24 is locked on the body 21, the extension 241 of the cover 24 can cover the front half 1a of the transmission case 1, and the extension 241 The shielding section 2412 can cover the air inlet 12 and the air inlet cover 13 of the transmission case 1. The shielding section 2412 can cover the air inlet 132 of the air inlet cover 13 (viewed from the side), that is, The shielding section 2412 and the front cover 131 of the air intake cover 13 form a certain distance, which can form a circuitous main air inlet A. At the same time, the upper end edge 2411a of the extension channel section 2411 and the The transmission box 1 also maintains a gap, which can form a primary air intake duct B.

As shown in Figures 3 and 5, when the locomotive is running, fresh air from the outside can enter through the shielding section 2412 of the extension 24 of the cover 24 and the air intake cover 13 of the transmission case 1. More specifically, the outside air is Entered by the main air inlet A between the shielding section 2412 of the extension 241 and the front cover 131 of the air intake cover 13, when the outside air has sand and dust, it can be blocked by the front cover 131 of the air intake cover 13 This can reduce the entry of external sand and dust; part of the entered outside air enters the air inlet 12 through the air inlet 132 on the side of the air inlet cover 13 and is filtered by the filter 14 into the transmission case 1 To cool the stepless speed changing system 11; the other part of the outside air will enter the air cleaner 2 through the intake pipe 23 along the extension channel section 2411 of the extension 241, and The filtering element 22 is filtered by the exhaust pipe 211 of the main body 21 and sent to the engine.

As shown in Figures 3 and 5, at the same time, since the upper end edge 2411a of the extension channel section 2411 and the transmission case 1 also have a primary air inlet B, the outside air will also enter the cover 24 from the secondary air inlet B. The extension portion 241, the secondary air inlet channel B and the air entering from the main air inlet channel A merge into the air filter 2, and are filtered by the filter element 22 together by the air outlet pipe 211 of the main body 21. Lost to the engine.

As shown in FIG. 5, when a part of the external moisture or sand enters the main inlet duct A between the shielding section 2412 of the extension 241 and the front cover 131 of the air intake cover 13, That is, by the weight of the water and the sand and dust, the water and the sand and dust can be leaked out of the extension 241 through the drain slot 2413 of the extension 241 to avoid entering the air filter 2 Therefore, the service life of the air cleaner 2 can be further improved.

The effect of the present invention is that an extension 241 is extended toward the air inlet 12 of the transmission case 1 through the cover 24 of the air cleaner 2, and the extension 241 has an extension passage section 2411 and a shielding section 2412; The extension passage section 2411 can form an air inlet. The shield section 2412 extends more forward than the air inlet 12 and the air inlet cover 13 of the transmission case 1. The shield section 2412 can view the transmission case from a side view. The air inlet 12 and the air inlet cover 13 of 1 are completely shielded. The shielding section 2412 and the front cover 131 of the air inlet cover 13 form a certain distance to maintain a certain distance, which may form a circuitous main air inlet. A; The main air inlet A allows outside air to enter and then enter the air filter 2 along the extension 241. The front cover 131 of the air intake cover 13 can prevent the reduction of external sand and dust from entering the extension 241. In this way, the service life of the air cleaner 2 can be improved.

The secondary effect of the present invention is that an extension portion 241 is extended toward the air inlet 12 of the transmission case 1 through the cover 24 of the air cleaner 2, and the extension portion 241 has an extension channel section 2411 and a shielding section. 2412; The extension channel section 2411 can form an air inlet, and the shield section 2412 extends more forward than the air inlet 12 and the air inlet cover 13 of the transmission case 1. The shield section 2412 can be viewed from a side view. The air inlet 12 and the air inlet cover 13 of the transmission case 1 are completely shielded. The shielding section 2412 and the front cover 131 of the air inlet cover 13 form a spaced interval, which can form a circuitous main inlet. Air duct A; the air intake part of the air cleaner 2 can be arranged outside the transmission case 1, whereby the air The air intake portion of the air filter 2 can avoid interference with other locomotive parts, and can further improve the freedom of setting of other locomotive parts.

Another effect of the present invention is that the upper end edge 2411a of the extension channel section 2411 and the transmission case 1 also have a primary air inlet B, so that the outside air will also enter the cover 24 through the secondary air inlet B. The part 241, the secondary air inlet B and the air entering from the primary air inlet A meet and enter the air filter 2, and are filtered by the filter element 22 together, and then are conveyed by the air outlet pipe 211 of the main body 21. To the engine, thereby ensuring that the air cleaner 2 can obtain a sufficient intake amount.

Another effect of the present invention is that a drain slot 2413 is provided below the shielding section 2412 of the extension section 241. When a part of the external water or sand and dust are present, the shielding section 2412 of the extension section 241 and After the main air inlet A between the front cover 131 of the air intake cover 13 enters, the moisture and sand and dust can be discharged from the extension 241 by the weight of the water and sand and dust itself. The water shortage slot 2413 leaks out of the extension portion 241 to avoid entering the air filter 2, thereby further improving the service life of the air filter 2.

The air intake structure of the locomotive engine of the present invention can indeed achieve the purpose of appeal through the above-mentioned structure. It should meet the requirements for the novelty, progress, and industrial applicability of the invention patent, and apply for an invention patent in accordance with the law. Your examiner's detailed examination, and the approval of the patent for invention, is of great virtue.

Claims (9)

An air intake structure of a locomotive engine. The engine has a transmission case. The transmission case is provided with a stepless speed change system. The transmission case has an air inlet. The transmission case is provided with an air filter. The air filter has an air filter. The main body, a filter element, an air inlet pipe and a cover body are characterized in that an air inlet cover is provided on the air inlet of the transmission box, and the air inlet pipe of the air filter is covered by the cover body. The cover of the air cleaner is provided with an extension, the extension of the cover is extended toward the air inlet of the transmission box, and the extension has an extension channel section and a shielding section; the shielding section is larger than the transmission box The air inlet and the air inlet cover of the gearbox extend further forward, and the shielding section can be shielded by the side view. According to the air intake structure of a locomotive engine as described in the first item of the patent application scope, the extension channel section may form an air inlet duct, and the extension channel section extends upwards and downwards in a forward and downward manner. The air intake structure of a locomotive engine according to item 1 of the scope of patent application, wherein a drain slot is provided below the shielding section. According to the air intake structure of the locomotive engine described in the first patent application scope, wherein the front end of the air intake cover is provided with a front cover, and an air inlet is provided at the side; the shielding section and the front of the air intake cover The cover forms a space maintained at a certain distance, and the space can form a circuitous main air inlet. According to the air intake structure of the locomotive engine described in item 1 of the scope of patent application, the transmission case is provided with a filter at the rear end of the air inlet, that is, the transmission case is adjacent to the air inlet. For example, the air intake structure of a locomotive engine described in the first patent application scope, wherein the upper end edge of the extension channel section and the transmission case also maintain a gap, and the gap can form a primary air intake duct. The air intake structure of a locomotive engine according to item 1 of the patent application scope, wherein the air intake pipe is clamped between the main body and the cover, and the air intake pipe has an air outlet portion, and the air outlet portion faces the cover. body. According to the air intake structure of a locomotive engine described in item 7 of the scope of patent application, wherein the air outlet of the air intake pipe is located between the filter element and the cover. The air intake structure of a locomotive engine as described in the first item of the patent application scope, wherein the extension of the cover body covers the front half of the transmission case.