CN101629511A

CN101629511A - Mechanical speed-increasing booster of anti-explosion diesel engine

Info

Publication number: CN101629511A
Application number: CN200910075226A
Authority: CN
Inventors: 兰春亮; 雷煌; 申进杰; 赵明岗; 贾二虎; 刘继全; 张福祥
Original assignee: 煤炭科学研究总院太原研究院; 煤炭科学研究总院山西煤机装备有限公司
Priority date: 2009-08-19
Filing date: 2009-08-19
Publication date: 2010-01-20
Also published as: CN101629511B

Abstract

The invention relates to a mechanical speed-increasing booster of an anti-explosion diesel engine, which has the main structure consisting of a left and a right box bodies, a sealing ring, a belt pulley, a bearing, a planet carrier, an inner gear ring, a double-planet wheel set, a sun gear, a gas compressor shell, an impeller, a connecting sleeve and a coupler; by adopting the sealing structure of the left and the right box bodies, the double-planet wheel set, the inner gear ring and the sun gear are used for transmission, and a sun gear shaft is connected with the impeller of a gas compressor by the coupler, so that the pressure of the gas compressor of the engine can be effectively improved; the booster is reasonable and advanced in design, compact in structure, unchangeable in transmission speed ratio being 24:1, safe, stable and reliable; when in variable working condition, the booster has good responsiveness and acceleration performance, better low speed acceleration performance, consistent surface temperature and excellent anti-explosion performance, thus being an ideal speed-increasing booster of the anti-explosion diesel engine and also being applied to other similar equipment.

Description

The mechanical speed-increasing booster of anti-explosion diesel engine

Technical field

The present invention relates to a kind of mechanical speed-increasing booster of anti-explosion diesel engine, belong to the parts design of anti-explosion diesel engine and the technical field of manufacturing.

Background technique

Mainly rugged environment use under coal mine of anti-explosion diesel engine, the explosion-proof periphery and the peripheral disposition of being mainly reflected in of diesel engine, gas compressor is exactly a mechanism of diesel engine peripheral disposition.

In order to improve the power of diesel engine, the general method that adopts air intake pressurized, to improve the air inlet charge, improve combustion position, often need to increase gas compressor pressure, improve gas compressor pressure and often use the turbo type speed increaser, because there are a lot of drawbacks in the turbo type speedup, raising gas compressor pressure is greatly limited, so that causes the gas compressor underpressure, improve power and speed and can't satisfy diesel engine.

Summary of the invention

Goal of the invention

Goal of the invention of the present invention, be exactly at disadvantages of background technology, adopt mechanical type doubly-linked gear up pressurized machine, to improve the gas compressor pressure of diesel engine, thereby increase substantially the power and the speed of anti-explosion diesel engine, more can adapt to rugged environment operation under coal mine.

Technological scheme

Main structure of the present invention by: left box body, right case, seal ring, belt pulley, bearing, planet carrier, ring gear, doubly-linked planetary gear set, sun gear, flat key, gas compressor, impeller, joint sleeve, coupling are formed; Left box body 1, right case 2 are an integral body by big sealing ring 23, left and right sides engaging lug 21,22 by bolt 28, nut 29 fixing airtight connections, and whole interior is planet chamber 20, and ring gear 19 and fixing by bearing pin 30 is housed in the planet chamber 20; The centre is a planet carrier 8, planet carrier 8 is fixed in the left box body 1 by bearing 5,6, planet carrier 8 left parts are Pulley shaft 26, Pulley shaft 26 connects with belt pulley 4 by flat key 7, planet carrier 8 right parts are arranged with four planet wheel shafts 11,12,13,14, and planet wheel bearing 31,32,33,34, doubly-linked planetary gear set 15,16,17,18 are housed respectively on the planet wheel shaft 11,12,13,14; In the central position of right case 2 sun wheel shaft 9 is housed, sun wheel shaft 9 and Pulley shaft 26 are on same axis, high-speed bearing 10, sun gear 35 are housed on the sun wheel shaft 9, high-speed bearing 10 is fixing with right case 2 by seal ring 25, sun gear 35 connects with gearwheel 36 engagements of doubly-linked planetary gear set 15,16,17,18, and the small gear 37 on same planet wheel shaft connects with ring gear 19 engagements; Left box body 1 left outside is provided with left end cap 3, and is fixed by seal ring 24 sealings, bolt 27; Sun wheel shaft 9 right parts connect with compressor housings 40 by joint sleeve 45, coupling 46, axle sleeve 42; Compressor housings 40 right parts are that suction port 48, sidepiece are intake manifold 47, and suction port 48, intake manifold 47 connect with engine charge mechanism; Belt pulley 4 connects with drive motor on the diesel engine; Be marked with lubricating oil in the planet chamber 20.

Described doubly-linked planetary gear set 15,16,17,18 structures are the same; Wherein 19 engagements of small gear 37 and ring gear connect, gearwheel 36 meshes with sun gear 35 and connect.

Transmission speed ratio between described ring gear 19, small gear 37, gearwheel 36, the sun gear 35 is 24: 1.

Described gas compressor, impeller 43 is housed in compressor housings 40, in the middle of the impeller 43 is impeller shaft 44, impeller shaft 44 connects with sun wheel shaft 9 by axle sleeve 42, coupling 46, compressor housings 40 left parts connect with right case 2 by seal ring 41, joint sleeve 45, and compressor housings 40 right parts are provided with suction port 48, sidepiece is provided with intake manifold 47; Joint sleeve 45 is provided with oil hole 49; Compressor housings 40 left parts are fixing by packing ring 50, bolt 51.

Beneficial effect

The present invention compares with background technique has tangible advance, it is the power at the explosion-proof type diesel engine, speed, air pressure is on the low side and a kind of mechanical speed-increasing booster of design, adopt left and right sides box sealing structure, the doubly-linked planet wheel, ring gear, sun gear, the impeller speedup drives the gas compressor supercharging, effectively raise the power of gas compressor and motor, compare with turbo-supercharging, the mechanical type pressurized effect is better, and this installs advanced and reasonable design, compact structure, transmission speed ratio is fixed, be 24: 1, safety and stability is reliable, and instant response is good during its variable working condition, acceleration is good, especially acceleration is better during low cruise, and the mechanical type supercharging is subjected to the toxic emission Temperature Influence little, and surface temperature is low, be the speed-increasing booster of very good anti-explosion diesel engine, this device also can be used for other similar devices.

Description of drawings

Fig. 1 is the overall structure plan view

Fig. 2 is the overall structure side view

Fig. 3 is the B-B sectional drawing of Fig. 1

Fig. 4 is the A-A sectional drawing of Fig. 1

Fig. 5 is a doubly-linked planet wheel plan view

Fig. 6 is a doubly-linked planet wheel side view

Shown in the figure, list of numerals is as follows:

1, left box body, 2, right case, 3, left end cap, 4, belt pulley, 5, bearing, 6, bearing, 7, flat key, 8, planet carrier, 9, sun wheel shaft, 10, high-speed bearing, 11, planet wheel shaft, 12, planet wheel shaft, 13, planet wheel shaft, 14, planet wheel shaft, 15, the doubly-linked planetary gear set, 16, the doubly-linked planetary gear set, 17, the doubly-linked planetary gear set, 18, the doubly-linked planetary gear set, 19, ring gear, 20, the planet chamber, 21, left side engaging lug, 22, right engaging lug, 23, big sealing ring, 24, seal ring, 25, seal ring, 26, Pulley shaft, 27, bolt, 28, bolt, 29, nut, 30, bearing pin, 31, planet wheel bearing, 32, planet wheel bearing, 33, planet wheel bearing, 34, planet wheel bearing, 35, sun gear, 36, gearwheel, 37, small gear, 38, axis hole, 40, compressor housings, 41, seal ring, 42, axle sleeve, 43, impeller, 44, impeller shaft, 45, joint sleeve, 46, coupling, 47, intake manifold, 48, suction port, 49, pouring orifice, 50, packing ring, 51, bolt.

Embodiment

The present invention will be further described below in conjunction with accompanying drawing:

Shown in Fig. 1,2,3,4, be overall structure figure, each position, connecting relation want correct, install firmly.

Left and right sides casing is wanted strict seal, and sufficient lubrication must not leakage of oil.

It is clean that want in planet chamber in the casing of the left and right sides, and the planetary pinion in it, sun gear, ring gear engagement are wanted accurately to rotate flexibly.

Left and right sides casing, compressor housings, each gear, belt pulley, planet carrier, ring gear want intensity good, make of Alloy Constructional Steel, and through the processing of hardening.

Ring gear, doubly-linked planet wheel, sun gear transmission speed ratio are 24: 1.

Gas compressor connects with sun wheel shaft to be wanted firmly, and impeller is wanted accurately to rotate flexibly in the gas compressor.

Shown in Fig. 5,6, be four doubly-linked planetary gear structure figure, structure is the same, and specification is the same, and interchangeability is good, and left part is that small gear, right part are gearwheel, intensity good, and strength is big, make of Alloy Constructional Steel, and through the processing of hardening.

Claims

1, a kind of mechanical speed-increasing booster of anti-explosion diesel engine is characterized in that: main structure by: left box body, right case, seal ring, belt pulley, bearing, planet carrier, ring gear, doubly-linked planetary gear set, sun gear, flat key, gas compressor, impeller, joint sleeve, coupling are formed; Left box body (1), right case (2) are an integral body by big sealing ring (23), left and right sides engaging lug (21,22) by bolt (28), the fixing airtight connection of nut (29), whole interior is planet chamber (20), and ring gear (19) and fixing by bearing pin (30) is housed in planet chamber (20); The centre is planet carrier (8), planet carrier (8) is fixed in the left box body (1) by bearing (5,6), planet carrier (8) left part is Pulley shaft (26), Pulley shaft (26) connects with belt pulley (4) by flat key (7), planet carrier (8) right part is arranged with four planet wheel shafts (11,12,13,14), and planet wheel bearing (31,32,33,34), doubly-linked planetary gear set (15,16,17,18) are housed respectively on the planet wheel shaft (11,12,13,14); In the central position of right case (2) sun wheel shaft (9) is housed, sun wheel shaft (9) and Pulley shaft (26) are on same axis, high-speed bearing (10), sun gear (35) are housed on the sun wheel shaft (9), high-speed bearing (10) is fixing by seal ring (25) and right case (2), sun gear (35) connects with gearwheel (36) engagement of doubly-linked planetary gear set (15,16,17,18), and the small gear on same planet wheel shaft (37) connects with ring gear (19) engagement; The left outside of left box body (1) is provided with left end cap (3), and is fixed by seal ring (24) sealing, bolt (27); Sun wheel shaft (9) right part connects with compressor housings (40) by joint sleeve (45), coupling (46), axle sleeve (42); Compressor housings (40) right part is that suction port (48), sidepiece are intake manifold (47), and suction port (48), intake manifold (47) connect with engine charge mechanism; Belt pulley (4) connects with drive motor on the diesel engine; The planet chamber is marked with lubricating oil in (20).

2, the mechanical speed-increasing booster of a kind of anti-explosion diesel engine according to claim 1 is characterized in that: described doubly-linked planetary gear set (15,16,17,18) structure is the same; Wherein the engagement of small gear (37) and ring gear (19) connects, gearwheel (36) meshes with sun gear (35) and connect.

3, the mechanical speed-increasing booster of a kind of anti-explosion diesel engine according to claim 1 is characterized in that: the transmission speed ratio between described ring gear (19), small gear (37), gearwheel (36), the sun gear (35) is 24: 1.

4, the mechanical speed-increasing booster of a kind of anti-explosion diesel engine according to claim 1, it is characterized in that: described gas compressor, impeller (43) is housed in compressor housings (40), in the middle of the impeller (43) is impeller shaft (44), impeller shaft (44) connects with sun wheel shaft (9) by axle sleeve (42), coupling (46), compressor housings (40) left part connects with right case (2) by seal ring (41), joint sleeve (45), and compressor housings (40) right part is provided with suction port (48), sidepiece is provided with intake manifold (47); Joint sleeve (45) is provided with oil hole (49); Compressor housings (40) left part is fixing by packing ring (50), bolt (51).