CN115773278A - Multistage impeller structure for turbocharger - Google Patents

Multistage impeller structure for turbocharger Download PDF

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Publication number
CN115773278A
CN115773278A CN202211649219.5A CN202211649219A CN115773278A CN 115773278 A CN115773278 A CN 115773278A CN 202211649219 A CN202211649219 A CN 202211649219A CN 115773278 A CN115773278 A CN 115773278A
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China
Prior art keywords
hole
pushing
locking
assembly
fixed
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CN202211649219.5A
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CN115773278B (en
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胥传锡
胥逸凡
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Wuxi Shenghetaiye Turbocharger Co ltd
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Wuxi Shenghetaiye Turbocharger Co ltd
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Publication of CN115773278A publication Critical patent/CN115773278A/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

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Abstract

The application relates to a multistage impeller structure for a turbocharger, and relates to the technical field of impellers. The blade installation structure comprises an installation seat for installing blades, wherein a positioning groove is formed in the installation seat, a connecting plate is fixedly arranged on each blade, the connecting plate is inserted into the positioning groove, a connecting assembly is arranged between the connecting plate and the installation seat, a pushing assembly is arranged on the connecting plate, and a locking assembly is arranged between the pushing assembly and the inner wall of the positioning groove. The method and the device have the effect of being difficult to waste resources.

Description

Multistage impeller structure for turbocharger
Technical Field
The present application relates to the field of impellers, and more particularly to a multi-stage impeller structure for a turbocharger.
Background
The turbocharger is actually an air compressor that increases the intake air amount by compressing air. The waste gas inertia impulse force discharged by an engine is utilized to push a turbine in a turbine chamber, the turbine drives a coaxial impeller, and the impeller presses and conveys air sent by an air filter pipeline to enable the air to be pressurized and enter an air cylinder. When the rotating speed of the engine is increased, the exhaust gas discharge speed and the rotating speed of the turbine are also increased synchronously, the impeller compresses more air to enter the air cylinder, the pressure and the density of the air are increased, more fuel can be combusted, and the output power of the engine can be increased by correspondingly increasing the fuel quantity and adjusting the rotating speed of the engine.
However, at present, the impeller is easy to damage the blades of the impeller due to the fact that the impeller compresses air for a long time, but the blades of the impeller are generally of an integrated structure, once the single blade is damaged, the whole impeller can only be replaced, and therefore resource waste is caused, and therefore improvement is needed.
Disclosure of Invention
In order to solve the problem that once an individual blade is damaged, the whole impeller can only be replaced, so that the cost is high, the application provides a multi-stage impeller structure for a turbocharger.
The application provides a multistage impeller structure for turbo charger adopts following technical scheme:
the utility model provides a multistage impeller structure for turbo charger, is including the mount pad that is used for installing the blade, the constant head tank has been seted up on the mount pad, the fixed connecting plate that is provided with on the blade, the connecting plate insert establish extremely in the constant head tank, the connecting plate with be provided with coupling assembling between the mount pad, be provided with on the connecting plate and support and push away the subassembly, support push away the subassembly with be provided with the locking subassembly between the inner wall of constant head tank.
By adopting the technical scheme, when the locking assembly is disassembled, the locking assembly is firstly unlocked so that the pushing assembly can move; the pulling supports and pushes away the subassembly to make coupling assembling and mount pad separation, take the connecting plate out from the constant head tank at last, can change the blade that damages, thereby need not to change whole impeller, in order to reach resources are saved's effect.
Optionally, the connecting assembly comprises a connecting rod, an inserting rod and a connecting spring, a containing hole is formed in the connecting plate, a jack is formed in the bottom of the locating groove, one end of the connecting rod is inserted into the containing hole, the other end of the connecting rod is connected with the abutting-pushing assembly, the connecting spring is sleeved on the connecting rod, one end of the connecting rod is fixed to the connecting rod, the other end of the connecting rod is fixed to the bottom of the containing hole, one end of the inserting rod is fixed to the connecting rod, the other end of the inserting rod is inserted into the jack, and a guide surface is arranged on the connecting rod.
By adopting the technical scheme, when in disassembly, the locking component is firstly unlocked so that the pushing component can move; the pulling supports and pushes away the subassembly to make the connecting rod no longer with supporting and pushing away subassembly looks butt, and the inserted bar will withdraw to the holding downthehole, with the mount pad separation, take out the connecting plate from the constant head tank at last, can change the blade that damages, thereby need not to change whole impeller.
Optionally, the pushing assembly includes a pushing plate and a pushing spring, a pushing hole is formed in the connecting plate, the pushing plate is slidably connected to the pushing hole, the pushing spring is connected between the pushing plate and the hole bottom of the pushing hole, one end of the connecting rod, which is far away from the insertion rod, penetrates through the pushing hole and abuts against the pushing plate, and a yielding hole for the connecting rod to penetrate through is formed in the pushing plate.
By adopting the technical scheme, when the locking assembly is disassembled, the locking assembly is unlocked, and then the abutting and pushing plate automatically slides outwards from the abutting and pushing hole due to the elasticity of the abutting and pushing spring; in the sliding process, the abdicating hole is coaxial with the connecting rod, and the connecting rod automatically penetrates into the abdicating hole due to the elasticity of the connecting spring; at this time, the rod-inserting piece will be retracted into the accommodating hole.
Optionally, the locking assembly comprises a locking block and a locking screw, the locking block is fixed to the abutting plate, a locking hole is formed in the bottom of the positioning groove, and one end of the locking screw penetrates through the locking block and is in threaded connection with the locking block, and the other end of the locking screw is in threaded connection with the locking hole.
Through adopting above-mentioned technical scheme, support the kickboard and be pushed away totally to supporting the downthehole back of pushing away, rotate the locking screw rod and until locking screw rod screw thread to the locking downthehole to reach and carry out the effect of locking to supporting the kickboard.
Optionally, one end of the inserted link, which is far away from the connecting link, is provided with a stabilizing component, a cavity is arranged in the mounting seat, the jack is communicated with the cavity, a mounting cylinder is fixedly arranged on the mounting seat and penetrates through the mounting seat, a bearing component is fixedly arranged at one end of the mounting cylinder, which is located in the cavity, and a swinging and pushing component for pushing the stabilizing component is arranged on the bearing component.
By adopting the technical scheme, after the throwing and pushing assembly is subjected to centrifugal force, the throwing and pushing assembly is thrown to the position of the stabilizing rod and pushes the stabilizing assembly; at the moment, the stabilizing component is staggered with the inserted link, so that the inserted link is not easy to withdraw into the accommodating hole, the connecting plate can be stably inserted into the positioning groove,
optionally, the stabilizing assembly comprises a stabilizing rod, a sliding plate and a sliding spring, a stabilizing hole is formed in the bottom of the inserting rod, one end of the sliding plate is fixed to the stabilizing rod, the other end of the sliding plate is connected with the inner wall of the stabilizing hole in a sliding mode, and the sliding spring is connected between the sliding plate and the inner wall of the stabilizing hole.
By adopting the technical scheme, after the throwing and pushing assembly is subjected to centrifugal force, the throwing and pushing assembly is thrown to the position of the stabilizing rod and pushes the stabilizing rod; at this moment, the sliding plate slides towards one side far away from the installation barrel, and the sliding spring is compressed, so that the stabilizing rod is staggered with the inserted rod and limited by the inner top wall of the cavity, and the inserted rod is not easy to retract into the accommodating hole.
Optionally, the bearing assembly includes a bearing block and a bearing rod, the bearing block is fixed to the mounting cylinder, the bearing rod is fixed to the bearing block, and the swinging and pushing assembly is disposed between the bearing block and the bearing rod.
Through adopting above-mentioned technical scheme, carrier block and carrier bar are used for bearing throwing pushing away the subassembly to throw and push away the subassembly and can move steadily.
Optionally, get rid of and push away the subassembly including getting rid of ejector pad, dwang, spring coiling and connecting the rope, the bearing hole has been seted up on the bearing pad, the rotation hole has been seted up to the inner wall in bearing hole, the tip of dwang with the hole bottom rotation in rotation hole is connected, the spring coiling cover is located on the dwang and one end with the dwang is fixed, the other end with the inner wall in rotation hole is fixed, get rid of the ejector pad sliding sleeve and locate on the bearing bar, connecting rope one end around locating on the dwang, the other end with it is fixed to get rid of the ejector pad.
Through adopting above-mentioned technical scheme, receive centrifugal force after getting rid of the ejector pad, get rid of the ejector pad and will be got rid of to firm pole department to promote firm pole, so that firm pole and inserted bar are wrong mutually, thereby the inserted bar will be difficult for withdrawing to the holding downthehole.
Optionally, a locking assembly for connecting the turbine shaft is arranged on the mounting cylinder.
Through adopting above-mentioned technical scheme, locking Assembly can be convenient for whole impeller and turbine shaft to be connected or dismantle.
Optionally, the locking assembly comprises a locking bolt, a locking hole is formed in the installation cylinder in a penetrating mode, the locking bolt is in threaded connection with the locking hole, and threads are arranged on the inner wall of the installation cylinder.
Through adopting above-mentioned technical scheme, the screw thread can be convenient for the turbine shaft go on through the screw thread and with installation section of thick bamboo threaded connection, then with lock bolt in turbine shaft threaded connection again to provide dual guarantee.
In summary, the present application includes at least one of the following benefits:
1. when the locking assembly is disassembled, the locking assembly is unlocked so that the pushing assembly can move; the pulling supports and pushes away the subassembly to make coupling assembling and mount pad separation, take the connecting plate out from the constant head tank at last, can change the blade of damage, thereby need not to change whole impeller, in order to reach resources are saved's effect.
2. After the push pedal is pushed to supporting the push hole completely, the locking screw is rotated until the locking screw threads are arranged in the locking hole, so that the effect of locking the push pedal is achieved.
3. HHH and III (or JJJ technology) are used to produce the KKK effect.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a push-against assembly according to an embodiment of the present disclosure;
FIG. 3 is an enlarged view taken at A in FIG. 2;
FIG. 4 is an enlarged view at B in FIG. 2;
fig. 5 is an enlarged view at C in fig. 2.
In the figure: 1. a mounting base; 11. a blade; 12. mounting the cylinder; 121. a locking hole; 122. a thread; 13. positioning a groove; 14. a jack; 15. a cavity; 16. a locking hole; 2. a connecting plate; 21. a housing hole; 22. pushing the hole; 3. a connecting assembly; 31. a connecting rod; 311. a guide surface; 32. a rod is inserted; 321. a stabilizing hole; 33. a connecting spring; 4. a pushing component; 41. pushing the plate; 411. a hole for abdication; 42. pushing the spring; 5. a locking assembly; 51. a locking block; 52. locking the screw rod; 6. a stabilizing assembly; 61. a stabilizing rod; 62. a slide plate; 63. a slide spring; 7. a carrier assembly; 71. a carrier bar; 72. a bearing block; 721. a bearing hole; 7211. rotating the hole; 8. a throwing and pushing assembly; 81. throwing a push block; 82. rotating the rod; 83. a coil spring; 84. connecting ropes; 9. a locking assembly; 91. and locking the bolt.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a multistage impeller structure for a turbocharger. Referring to fig. 1, a multistage impeller structure for a turbocharger includes a mounting base 1 for mounting blades 11, the mounting base 1 is cylindrical, positioning grooves 13 are formed in the circumferential wall of the mounting base 1 along the circumferential direction of the mounting base 1, and the positioning grooves 13 are in a shape of a Chinese character 'tu' and the positioning grooves 13 are in one-to-one correspondence with the blades 11. The fixed connecting plate 2 that is provided with in bottom of blade 11, connecting plate 2 are type-protruding to in the constant head tank 13 carries out the adaptation, 2 adaptations of connecting plate are inserted and are established to constant head tank 13, thereby connecting plate 2 is difficult for droing from the top of constant head tank 13.
Referring to fig. 2, a connection assembly 3 is arranged between the connection plate 2 and the mounting base 1, a pushing assembly 4 is arranged on the connection plate 2, and a locking assembly 5 is arranged between the pushing assembly 4 and the bottom of the positioning groove 13. When the assembly is disassembled, the locking component 5 is firstly unlocked so that the pushing component 4 can move; the pushing assembly 4 is pulled to separate the connecting assembly 3 from the mounting base 1, and finally the connecting plate 2 is pulled out of the positioning groove 13, so that the damaged blade 11 can be replaced, the whole impeller does not need to be replaced, and the effect of saving resources is achieved; when the device is installed, a new blade 11 is fixed with the connecting plate 2, and the connecting plate 2 is inserted into the positioning groove 13; after the insertion is finished, the pushing component 4 is pushed to enable the connecting component 3 to be connected with the mounting seat 1, and finally the pushing component 4 is locked through the locking component 5, so that the blade 11 is mounted.
Referring to fig. 3, the connecting assembly 3 includes a connecting rod 31, an inserting rod 32 and a connecting spring 33, the bottom wall of the connecting plate 2 is provided with a containing hole 21, the bottom of the positioning groove 13 is provided with an inserting hole 14, and the inserting hole 14 and the containing hole 21 are coaxial. One end of the connecting rod 31 is inserted into the accommodating hole 21, the other end of the connecting rod is abutted against the pushing component 4, one end of the connecting rod 31 far away from the pushing component 4 is fixedly connected with the inserting rod 32, the inserting rod 32 is matched with the accommodating hole 21, one end of the inserting rod 32 far away from the connecting rod 31 is inserted into the inserting hole 14 to limit the connecting plate 2, and therefore the connecting plate 2 is not easy to slide out of the positioning groove 13, and the connecting plate 2 and the mounting seat 1 are connected.
The connecting rod 31 is kept away from the one end of inserted bar 32 and is provided with guiding surface 311 along the relative both sides in constant head tank 13 length direction, and guiding surface 311 slope sets up and guiding surface 311 keeps away from the slope of the one end of adjacent guiding surface 311 downwards, and guiding surface 311 can be convenient for connecting rod 31 and support and push away subassembly 4 and carry out the butt or not the butt. The connecting spring 33 is sleeved at one end of the connecting rod 31 in the accommodating hole 21, one end of the connecting rod is fixed to the bottom of the accommodating hole 21, the other end of the connecting rod is fixed to the side wall of the connecting rod 31, and the connecting spring 33 can be used for resetting the connecting rod 31. When in disassembly, the locking component 5 is unlocked firstly so that the pushing component 4 can move; the pushing component 4 is pulled so that the connecting rod 31 is no longer abutted against the pushing component 4, the inserting rod 32 is retracted into the accommodating hole 21 to be separated from the mounting seat 1, and finally the connecting plate 2 is pulled out from the positioning groove 13, so that the damaged blade 11 can be replaced, and the whole impeller does not need to be replaced.
Referring to fig. 2 and 3, the abutting and pushing assembly 4 includes an abutting and pushing plate 41 and an abutting and pushing spring 42, an abutting and pushing hole 22 is formed in one side of the connecting plate 2 away from the center of the mounting base 1, and the abutting and pushing plate 41 is inserted into the abutting and pushing hole 22 and is slidably connected to an inner top wall of the abutting and pushing hole 22. One end of the abutting spring 42 is fixed to the bottom of the abutting hole 22, and the other end is fixed to one end of the abutting plate 41 close to the bottom of the abutting hole 22, so that the abutting spring 42 can automatically push the abutting plate 41 out of the abutting hole 22 after being compressed and released. The pushing plate 41 is provided with a yielding hole 411 for the connecting rod 31 to penetrate through, when the locking assembly 5 is unlocked, the pushing plate 41 automatically slides out of the pushing hole 22 due to the elasticity of the pushing spring 42; in the sliding process, the yielding hole 411 is coaxial with the connecting rod 31, and the connecting rod 31 automatically penetrates into the yielding hole 411 due to the elasticity of the connecting spring 33; at this time, the insertion rod 32 is retracted into the receiving hole 21 so that the connection plate 2 can be taken out of the positioning groove 13.
Referring to fig. 4, the locking assembly 5 includes a locking block 51 and a locking screw 52, and the locking block 51 is fixedly connected to a side of the pushing plate 41 away from the pushing spring 42. The locking screw 52 penetrates through the locking block 51 and is in threaded connection with the locking block 51, the locking hole 16 is formed in the bottom of the positioning groove 13, and when the abutting plate 41 is completely pressed into the abutting hole 22, the locking hole 16 is coaxial with the locking screw 52, and one end, far away from the locking block 51, of the locking screw 52 is in threaded connection with the locking hole 16. After the abutting plate 41 is completely pushed into the abutting hole 22, the locking screw 52 is rotated until the locking screw 52 is threaded into the locking hole 16, so as to achieve the effect of locking the abutting plate 41, and the abutting plate 41 is not easy to slide out of the abutting hole 22 due to the elastic force of the abutting spring 42.
Referring to fig. 1 and 3, a stabilizing assembly 6 is disposed at an end of the insertion rod 32 away from the connecting rod 31, a cavity 15 is disposed in the mounting base 1, the cavity 15 is located below the positioning groove 13, and the insertion hole 14 is communicated with the cavity 15. An installation cylinder 12 is fixedly arranged on the installation seat 1, the installation cylinder 12 penetrates through the center of the installation seat 1, and an opening is formed in one side, away from the blade 11, of the installation seat 1, of the installation cylinder 12, so that the installation cylinder can be connected with a turbine shaft.
Referring to fig. 5, a bearing assembly 7 is fixedly arranged at one end of the mounting cylinder 12 located in the cavity 15, the bearing assembly 7 corresponds to the stabilizing assembly 6 one by one, and a throwing and pushing assembly 8 is arranged on the bearing assembly 7. In an actual application environment, the mounting base 1 needs to rotate at a high speed and rotate at a high speed, and a huge centrifugal force is generated at the moment so as to throw the throwing and pushing assembly 8 on the bearing assembly 7 to the stabilizing assembly 6 to push the stabilizing assembly 6; at this moment, firm subassembly 6 will be in the wrong with inserted bar 32 to inserted bar 32 will be difficult for withdrawing to holding in the hole 21, so that connecting plate 2 can insert stably and establish in constant head tank 13, and centrifugal force is the bigger, firm subassembly 6 can be more stable in the wrong with inserted bar 32, thereby inserted bar 32 is difficult for retrieving more in holding in the hole 21, with the further stability that connecting plate 2 inserted and establish in constant head tank 13 that improves.
Referring to fig. 1 and 2, in addition, a locking assembly 9 is arranged on the mounting barrel 12, and the locking assembly 9 can facilitate the connection or the disconnection of the whole impeller and the turbine shaft. The locking assembly 9 comprises a locking bolt 91, one end of the mounting barrel 12 close to the blade 11 is provided with a locking hole 121 in a penetrating manner, and the locking bolt 91 is connected in the locking hole 121 in a threaded manner. The inner wall of the mounting cylinder 12 is provided with threads 122 so that the turbine shaft is in threaded connection with the mounting cylinder 12 through the threads 122, and then the locking bolts 91 are in threaded connection with the turbine shaft to provide double security, so that the impeller is not easily separated from the turbine shaft, and the mounting or dismounting is not too complicated.
Referring to fig. 3, the stabilizing assembly 6 includes a stabilizing rod 61, a sliding plate 62 and a sliding spring 63, wherein a stabilizing hole 321 is formed in one end of the insert rod 32 away from the connecting rod 31, one end of the sliding plate 62 is fixedly connected to the top of the stabilizing rod 61, and the other end is slidably connected to the bottom of the stabilizing hole 321. One end of the sliding spring 63 is fixedly connected with one side of the sliding plate 62 far away from the installation cylinder 12, the other end of the sliding spring 63 is fixedly connected with the inner wall of the stable hole 321 far away from one side of the installation cylinder 12, and after the swinging and pushing assembly 8 does not push the stable rod 61, the sliding spring 63 can push the sliding plate 62 towards one side close to the installation cylinder 12, so that the stable rod 61 and the inserted link 32 are not staggered.
After the centrifugal force is applied to the throwing and pushing assembly 8, the throwing and pushing assembly 8 is thrown to the position of the stabilizing rod 61 and pushes the stabilizing rod 61; at this time, the sliding plate 62 will slide toward the side away from the mounting tube 12 and the sliding spring 63 will be compressed, so that the fixing rod 61 will be staggered with the insertion rod 32 and the fixing rod 61 will be limited by the inner top wall of the cavity 15, and the insertion rod 32 will not be easily retracted into the receiving hole 21.
Referring to fig. 5, the bearing assembly 7 includes a bearing block 72 and a bearing rod 71, the bearing block 72 is fixed to the side wall of the mounting cylinder 12 at one end inside the cavity 15, one end of the bearing rod 71 is fixedly connected to one side of the bearing block 72 away from the mounting cylinder 12, and the other end is close to the stabilizing assembly 6. The carrier block 72 and the carrier bar 71 are used to carry the slinger assembly 8 so that the slinger assembly 8 can move stably.
Referring to fig. 5, the flail-pushing assembly 8 comprises a flail-pushing block 81, a rotating rod 82, a coil spring 83 and a connecting rope 84, wherein the flail-pushing block 81 is slidably sleeved on the bearing rod 71, and the flail-pushing block 81 is not easy to completely slide off the bearing rod 71 in the embodiment of the present application. Bearing hole 721 has been seted up to one side that bearing block 72 deviates from installation section of thick bamboo 12, and bearing hole 721 is "U" font, and the inner wall of bearing hole 721 has been seted up and has been rotated hole 7211 and two and rotate hole 7211 and the both ends one-to-one of dwang 82. The end portions of the rotating rods 82 are inserted into the corresponding rotating holes 7211 and are rotatably connected with the hole bottoms. The one end that the dwang 82 is located rotation hole 7211 and one end are fixed with dwang 82 are located to wind spring 83 cover, the other end is fixed with the inner wall that rotates hole 7211, the one end of connecting rope 84 is around locating on the dwang 82, the other end is fixed with one side that gets rid of ejector pad 81 and be close to carrier block 72, when getting rid of ejector pad 81 and not receiving centrifugal force, wind spring 83 will retrieve connecting rope 84, so that draw back ejector pad 81 to carrier block 72 department, from not influencing firm pole 61 coaxial with inserted bar 32. The centrifugal force in this application is much larger than the spring force of the coil spring 83.
After the centrifugal force is applied to the throwing block 81, the throwing block 81 is thrown to the position of the stabilizing rod 61 and pushes the stabilizing rod 61, so that the stabilizing rod 61 and the inserting rod 32 are staggered, and the inserting rod 32 is not easy to retract into the accommodating hole 21.
The implementation principle of the multistage impeller structure for the turbocharger in the embodiment of the application is as follows: when the locking screw 52 is unscrewed from the locking hole 16, the pushing plate 41 automatically slides out of the pushing hole 22 due to the elastic force of the pushing spring 42; in the sliding process, the receding hole 411 is coaxial with the connecting rod 31, and the connecting rod 31 automatically penetrates into the receding hole 411 due to the elasticity of the connecting spring 33; at this time, the insertion rod 32 is retracted into the receiving hole 21 so that the connection plate 2 can be taken out of the positioning groove 13.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. A multistage impeller structure for a turbocharger, comprising a mounting seat (1) for mounting a blade (11), characterized in that: the mounting base is characterized in that a positioning groove (13) is formed in the mounting base (1), a connecting plate (2) is fixedly arranged on the blade (11), the connecting plate (2) is inserted into the positioning groove (13), a connecting assembly (3) is arranged between the connecting plate (2) and the mounting base (1), a pushing assembly (4) is arranged on the connecting plate (2), and a locking assembly (5) is arranged between the pushing assembly (4) and the inner wall of the positioning groove (13).
2. The multistage wheel structure for a turbocharger according to claim 1, wherein: coupling assembling (3) include connecting rod (31), inserted bar (32) and connecting spring (33), holding hole (21) have been seted up on connecting plate (2), jack (14) have been seted up to the tank bottom of constant head tank (13), connecting rod (31) one end is inserted and is established extremely in holding hole (21), the other end with it pushes away subassembly (4) and connects to support, connecting spring (33) cover is located connecting rod (31) are gone up and one end with connecting rod (31) are fixed, the other end with the hole bottom in holding hole (21) is fixed, inserted bar (32) one end with connecting rod (31) are fixed, the other end is inserted and is established extremely in jack (14), be provided with spigot surface (311) on connecting rod (31).
3. The multistage wheel structure for a turbocharger according to claim 2, wherein: the pushing component (4) comprises a pushing plate (41) and a pushing spring (42), a pushing hole (22) is formed in the connecting plate (2), the pushing plate (41) is connected in the pushing hole (22) in a sliding mode, the pushing spring (42) is connected between the pushing plate (41) and the hole bottom of the pushing hole (22), one end, far away from the inserting rod (32), of the connecting rod (31) penetrates through the pushing hole (22) and is connected with the pushing plate (41) in a butting mode, and a yielding hole (411) for the connecting rod (31) to penetrate through is formed in the pushing plate (41) in a penetrating mode.
4. A multistage impeller structure for a turbocharger according to claim 3, wherein: locking subassembly (5) include locking piece (51) and locking screw (52), locking piece (51) with it is fixed to support push pedal (41), locking hole (16) have been seted up to the tank bottom of constant head tank (13), locking screw (52) one end run through locking piece (51) and with locking piece (51) threaded connection, other end threaded connection in locking hole (16).
5. The multistage wheel structure for a turbocharger according to claim 2, wherein: keep away from inserted bar (32) the one end of connecting rod (31) is provided with firm subassembly (6), be provided with in mount pad (1) cavity (15) just jack (14) with cavity (15) intercommunication, mount pad (1) is fixed be provided with installation section of thick bamboo (12) just installation section of thick bamboo (12) run through mount pad (1), installation section of thick bamboo (12) are located the fixed carrier assembly (7) that is provided with of one end in cavity (15), be provided with on carrier assembly (7) and be used for promoting getting rid of firm subassembly (6) pushes away subassembly (8).
6. The multistage wheel structure for a turbocharger according to claim 5, wherein: firm subassembly (6) are including firm pole (61), slide (62) and sliding spring (63), firm hole (321) have been seted up to the bottom of inserted bar (32), slide (62) one end with firm pole (61) is fixed, the inner wall sliding connection of the other end and firm hole (321), sliding spring (63) connect in slide (62) with between the inner wall of firm hole (321).
7. The multistage wheel structure for a turbocharger according to claim 5, wherein: the bearing assembly (7) comprises a bearing block (72) and a bearing rod (71), the bearing block (72) is fixed with the mounting cylinder (12), the bearing rod (71) is fixed with the bearing block (72), and the throwing and pushing assembly (8) is arranged between the bearing block (72) and the bearing rod (71).
8. The multistage wheel structure for a turbocharger according to claim 7, wherein: get rid of and push away subassembly (8) including getting rid of ejector pad (81), dwang (82), wind spring (83) and connecting rope (84), bearing hole (721) have been seted up on bearing pad (72), rotation hole (7211) have been seted up to the inner wall of bearing hole (721), the tip of dwang (82) with the hole bottom rotation of rotation hole (7211) is connected, wind spring (83) cover is located dwang (82) go up and one end with dwang (82) are fixed, the other end with the inner wall of rotation hole (7211) is fixed, get rid of ejector pad (81) sliding sleeve and locate on bearing pad (71), connect rope (84) one end around locating dwang (82) go up, the other end with it is fixed to get rid of ejector pad (81).
9. The multistage wheel structure for a turbocharger according to claim 8, wherein: and a locking assembly (9) for connecting the turbine shaft is arranged on the mounting cylinder (12).
10. The multistage wheel structure for a turbocharger according to claim 9, wherein: locking Assembly (9) are including locking bolt (91), run through on installation section of thick bamboo (12) and seted up locking hole (121), locking bolt (91) threaded connection in locking hole (121), the inner wall of installation section of thick bamboo (12) is provided with screw thread (122).
CN202211649219.5A 2022-12-21 2022-12-21 Multi-stage impeller structure for turbocharger Active CN115773278B (en)

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CN202211649219.5A CN115773278B (en) 2022-12-21 2022-12-21 Multi-stage impeller structure for turbocharger

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Application Number Priority Date Filing Date Title
CN202211649219.5A CN115773278B (en) 2022-12-21 2022-12-21 Multi-stage impeller structure for turbocharger

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CN115773278A true CN115773278A (en) 2023-03-10
CN115773278B CN115773278B (en) 2024-02-13

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090324414A1 (en) * 2006-08-25 2009-12-31 Thomas Helmis Blade fastening means of a turbine
CN207297107U (en) * 2017-08-31 2018-05-01 合肥雷光动力科技有限公司 A kind of nozzle ring for turbocharger
CN210768933U (en) * 2019-10-18 2020-06-16 无锡凯力特动力科技有限公司 Nozzle ring for turbocharger
CN214273984U (en) * 2020-11-24 2021-09-24 常州朗纳环境科技有限公司 Centrifugal fan with variable blades
CN113623020A (en) * 2021-08-02 2021-11-09 无锡友鹏航空装备科技有限公司 Turbine guider that leakproofness is high
CN215256967U (en) * 2021-08-12 2021-12-21 中山市拓景电机有限公司 Cast aluminum fan with centrifugal taper hole impeller
CN216895035U (en) * 2021-12-21 2022-07-05 南通旋风机械有限公司 Three-dimensional flow centrifugal fan impeller with high heat dissipation performance

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090324414A1 (en) * 2006-08-25 2009-12-31 Thomas Helmis Blade fastening means of a turbine
CN207297107U (en) * 2017-08-31 2018-05-01 合肥雷光动力科技有限公司 A kind of nozzle ring for turbocharger
CN210768933U (en) * 2019-10-18 2020-06-16 无锡凯力特动力科技有限公司 Nozzle ring for turbocharger
CN214273984U (en) * 2020-11-24 2021-09-24 常州朗纳环境科技有限公司 Centrifugal fan with variable blades
CN113623020A (en) * 2021-08-02 2021-11-09 无锡友鹏航空装备科技有限公司 Turbine guider that leakproofness is high
CN215256967U (en) * 2021-08-12 2021-12-21 中山市拓景电机有限公司 Cast aluminum fan with centrifugal taper hole impeller
CN216895035U (en) * 2021-12-21 2022-07-05 南通旋风机械有限公司 Three-dimensional flow centrifugal fan impeller with high heat dissipation performance

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