CN2903415Y

CN2903415Y - High power energy saving pressurizer

Info

Publication number: CN2903415Y
Application number: CNU2006200826455U
Authority: CN
Inventors: 叶福海
Original assignee: FUSHIDA SUPERCHARGING SYSTEM Co Ltd WEIFANG CITY
Current assignee: FUSHIDA SUPERCHARGING SYSTEM Co Ltd WEIFANG CITY
Priority date: 2006-04-06
Filing date: 2006-04-06
Publication date: 2007-05-23
Anticipated expiration: 2016-04-06

Abstract

The utility model discloses a high-power energy saving supercharger which comprises a turbine shell, a turbine, a turbine shaft bounded subunit composed of the turbine and a turbine shaft, a middle shell and an air compressor casing which is provided with an air compressor blade wheel. An integral nozzle ring comprising a nozzle ring base board with a central hole at the central position thereof is arranged inside the turbine shell. A plurality of nozzle ring blades is evenly provided on the periphery of one side of the nozzle ring base board and the turbine is in half open structure. The high-power energy saving supercharger integrates the previously independent two components, makes the whole structure much simpler and reduces costs. The whole nozzle ring is made of heat resistance cast steel material which overcomes the problem that the original nozzle ring and the heat blocking stuff with different material from the nozzle ring tend to deform accessories resulted from the different heat expansion, avoids the supercharger extension shell and effectively prolongs the actual life in use. The turbine is in half open structure, which possesses higher strength and rigidity with better pneumatic property and higher efficiency compared with the prior art.

Description

The high-power energy saving pressurized machine

Technical field

The utility model relates to a kind of internal-combustion engine booster, specifically, relates to a kind of heavy duty pressurized machine.

Background technique

In recent decades, along with updating of Structure of Internal-Combustion Engine technology, the performance of internal-combustion engine obtains bigger improvement, but along with developing rapidly of high-performance heavy duty, performance structure requires higher, therefore utilize turbosupercharging to be developed rapidly with the turbosupercharger of improving engine performance, the structure of pressurized machine is more complete at present, each pressurized machine producer makes improvements on quality and each accessory one after another, because supercharger structure is meticulousr, having relatively high expectations of each Component, therefore the trickle change to each accessory of pressurized machine just may produce considerable influence to the performance of pressurized machine.Usually the structure of internal-combustion engine booster turbine end is generally turbine case, turbine, nozzle ring, formations such as heat shield, nozzle ring and heat shield are for dividing body structure, be illustrated in figure 2 as the employed heat shield of common internal-combustion engine booster, heat shield 39 is for having the bowl structure of center hole 32, as shown in Figure 3, nozzle ring comprises annular base plate 35, annular base plate 35 surroundings evenly are provided with nozzle blade 42, the central position of annular base plate 35 has the center hole 33 that can hold heat shield and cooperate with heat shield, the heat shield material is generally heat resisting cast iron, the nozzle ring material is generally heat resisting cast steel, the shortcoming of this kind structure is, because the exhaust gas temperature of discharging during pressurized machine work is very high, can reach four or five hundred degree, the different expanded by heating with the heat shield material of nozzle ring are different, cause part deformation, usually make pressurized machine draw shell, cause whole pressurized machine to be scrapped, influence the proper functioning of machine, two parts integrators use and also cause cost higher simultaneously, the structure more complicated, the structure of turbine is generally open architecture in addition, the turbine of open architecture such as accompanying drawing 6, shown in 7, the turbine strength and stiffness of this open architecture are relatively poor, and pneumatic property and efficient are relatively poor simultaneously.

Summary of the invention

It is low that the purpose of this utility model provides a kind of cost, the efficient height, and pneumatic property is better, the high-power energy saving pressurized machine that working life is long.

For achieving the above object, the technical solution of the utility model is: the high-power energy saving pressurized machine, comprise turbine case, the turbine shaft zygote group that turbine and turbine shaft are formed, middle case, compressor casing, be provided with compressor impeller in the compressor casing, it is characterized in that: be provided with integrated jet nozzle ring in the turbine case, described integrated jet nozzle ring comprises the nozzle ring base plate, the central position of described nozzle ring base plate is provided with center hole, and the periphery of described nozzle ring base plate one side evenly is provided with several nozzle blades, and turbine is the semi-open type structure.

Below be the further improved technological scheme of such scheme:

The diameter of axle of the aperture of described center hole and booster turbine axle is complementary.

The periphery of described nozzle ring base plate opposite side is provided with annular projection.

The periphery of the annular projection that described nozzle ring base plate periphery is provided with is provided with the rim of the mouth that is used for sealing.

Described compressor impeller is a bend flow line style impeller.

The material of described integrated jet nozzle ring is a heat resisting cast steel.

Beneficial effect: technological scheme that the utility model adopted will be originally independently two parts unite two into one, when reaching the function that both possess, make overall structure simpler, cause cost to reduce, whole nozzle ring adopts the heat resisting cast steel material to form, not different part deformation problems that produce of expanded by heating simultaneously of original nozzle ring and heat shield material have been overcome, avoided pressurized machine to draw shell, can effectively increase actual life, turbine is the semi-open type structure, open architecture than original turbine has better intensity and rigidity, pneumatic property is better simultaneously, efficient is higher, the design of turbine and compressor impeller has the pressure ratio height, the characteristics that flow is big, simultaneously it and internal-combustion engine have good matching performance, make the motor fuel burning more abundant, realized that the internal-combustion engine oil consumption is low, row's temperature is low, the reliability height, moment of torsion is big, the characteristics of environmental protection and energy saving, oil consumption is reduced to 208g/kwh by original 216g/kwh, make per hour about 1.8 liters of fuel-economizings of diesel engine, have actual preferably use value and marketing meaning.

Below in conjunction with drawings and Examples the utility model is further described

Description of drawings

Fig. 1 is the structural representation of pressurized machine among the embodiment;

Fig. 2 is the structural representation of heat shield in the background technique;

Fig. 3 is the structural representation of nozzle ring in the background technique;

Fig. 4 is the structural representation of integrated jet nozzle ring among the utility model embodiment;

Fig. 5 is the sectional view of integrated jet nozzle ring among the utility model embodiment;

Fig. 6 is the structural representation of the utility model background technique middle open type structure turbine;

Fig. 7 is the sectional view of the utility model background technique middle open type structure turbine;

Fig. 8 is the structural representation of semi-open type structure turbine among the utility model embodiment.

Among the figure: the 1-compressor casing; The 2-tie-plate; 3-middle case oil return protecting cover; 4-compressor inlet protecting cover; The 5-end-face seal ring; The 6-thrust-bearing; The 7-stuffing box gland; 8-gas compressor end seal ring; The 9-locking nut; The 10-compressor impeller; 11-reasoning spacer ring; The 12-oil blocking cover; The 13-middle case; The 14-nameplate; 15-blower outlet protecting cover; The 16-sleeve pipe; The 17-packing ring; 18-oil-feed screw; The 19-floating bearing; 20-light stud bolt; The 21-packing ring; The 22-turbine case; 23-turbine end seal ring; 24-turbine shaft zygote group; 25-light stud bolt; The 26-integrated jet nozzle ring; 27-turbine case outlet protecting cover; 28-turbine case flange protecting cover; 29-hole back-up ring; The fuel-displaced flange gasket of 30-; 31-light stud bolt; 32-heat shield center hole; The 35-annular base plate; 36-integrated jet nozzle ring center hole; The 37-nozzle blade; 38-nozzle ring base plate; The 40-annular projection; The 41-rim of the mouth; 42-open architecture turbine; 43-semi-open type turbine.

Embodiment

Embodiment; as shown in Figure 1; the high-power energy saving pressurized machine; the left end of pressurized machine is provided with turbine case 22; be provided with the turbine shaft zygote group 24 that turbine and turbine shaft are formed in the turbine case 22; turbine shaft zygote group 24 right-hand members are provided with turbine end seal ring 23; seal ring 23 places are provided with integrated jet nozzle ring 26; the turbine case outlet end is provided with the outlet protecting cover 27 of protection usefulness; outlet protecting cover 27 usefulness light stud bolts are fastening; the flange place is provided with flange protecting cover 28; the intermediate portion is provided with middle case 13; the top of middle case 13 is provided with oil-feed screw 18; be provided with packing ring 17 and sleeve pipe 16 between oil-feed screw 18 and the middle case 13; be connected with light stud bolt 20 with packing ring 21 between middle case 13 and the turbine case 22; the bottom of middle case 13 is provided with fuel-displaced flange gasket 30 and middle case oil return protecting cover 3; be provided with floating bearing 19 and hole back-up ring 29 between middle case 13 and the turbine shaft; the right-hand member of middle case 13 is provided with compressor casing 1; be provided with tie-plate 2 between compressor casing 1 and the middle case 13; between fixedly connected with light stud bolt 31; tie-plate 2; middle case 13; the turbine shaft binding site is provided with thrust-bearing 6; stuffing box gland 7; locking nut 9; gas compressor end seal ring 8; thrust spacer ring 11; also be provided with oil blocking cover 12; compressor casing 1 is respectively equipped with compressor inlet protecting cover 4 and blower outlet protecting cover 15; be provided with end-face seal ring 5 between middle case and the tie-plate; compressor casing is provided with nameplate 14, and compressor impeller 10 is a bend flow line style impeller.

Shown in Fig. 4,5, described integrated jet nozzle ring 26 comprises nozzle ring base plate 38, the central position of described nozzle ring base plate 38 is provided with center hole 36, the periphery of described nozzle ring base plate 38 1 sides evenly is provided with several nozzle blades 37, the diameter of axle of the aperture of described center hole 36 and booster turbine axle is complementary, the periphery of the annular projection 40 that described nozzle ring base plate 38 peripheries are provided with is provided with the rim of the mouth 41 that is used for sealing, and the material of described integrated jet nozzle ring 9 is a heat resisting cast steel.

As shown in Figure 8, turbine 43 is the semi-open type structure.

Claims

1, the high-power energy saving pressurized machine, comprise turbine case (22), the turbine shaft zygote group (24) that turbine and turbine shaft are formed, middle case (13), compressor casing (1), be provided with compressor impeller (10) in the compressor casing (1), it is characterized in that: be provided with integrated jet nozzle ring (26) in the turbine case (22), described integrated jet nozzle ring (26) comprises nozzle ring base plate (38), the central position of described nozzle ring base plate (38) is provided with center hole (36), the periphery of described nozzle ring base plate (38) one sides evenly is provided with several nozzle blades (37), and described turbine is the semi-open type structure.

2, high-power energy saving pressurized machine as claimed in claim 1 is characterized in that: the aperture of described center hole (36) and the diameter of axle of booster turbine axle are complementary.

3, high-power energy saving pressurized machine as claimed in claim 1 is characterized in that: the periphery of described nozzle ring base plate (38) opposite side is provided with annular projection (40).

4, high-power energy saving pressurized machine as claimed in claim 1 is characterized in that: the periphery of the annular projection (40) that described nozzle ring base plate (38) periphery is provided with is provided with the rim of the mouth (41) that is used for sealing.

5, high-power energy saving pressurized machine as claimed in claim 1 is characterized in that: described compressor impeller (10) is a bend flow line style impeller.

6, high-power energy saving pressurized machine as claimed in claim 1 is characterized in that: the material of described integrated jet nozzle ring (26) is a heat resisting cast steel.