CN114320496B - Air inlet adjusting system of steam turbine - Google Patents
Air inlet adjusting system of steam turbine Download PDFInfo
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- CN114320496B CN114320496B CN202111484655.7A CN202111484655A CN114320496B CN 114320496 B CN114320496 B CN 114320496B CN 202111484655 A CN202111484655 A CN 202111484655A CN 114320496 B CN114320496 B CN 114320496B
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Abstract
The invention discloses an air inlet regulating system of a steam turbine, which comprises the steam turbine, wherein the steam turbine is provided with an air inlet; the air inlet pipeline is connected through an air inlet joint; the air inlet connector comprises a connecting seat and a connector which are fixedly connected with the air inlet, the connecting seat is provided with a connecting flange, and the connecting flange is fixedly connected to the air inlet; the connecting seat is provided with a first through hole which penetrates through the connecting seat, and a ring groove is arranged in the first through hole; the connector is provided with a second through hole which penetrates through, a ball-shaped groove is arranged in the second through hole, a ball body is arranged in the ball-shaped groove, and a third through hole which penetrates through is formed in the ball body; in being connected the air inlet of admission line and steam turbine, connect the connector direct embedding to the connecting seat in to in the use, even if there is external force to outwards apply force the connector, also can not drop, when needs separation admission line and inhaler body, operate the adjusting ring, through the transmission, shrink the sliding block in the spout, then pop out the connector under the effect of third spring.
Description
Technical Field
The invention relates to the field of steam turbine air inlet connectors, in particular to an air inlet adjusting system of a steam turbine.
Background
The steam inlet device of the steam turbine is an air inlet device applied to the steam turbine, can effectively ensure the air outlet efficiency of the steam turbine, ensures that the steam turbine works in a good running state and is one of indispensable accessories on the steam turbine, but the prior art still has the following defects:
The existing connection mode between the steam turbine inlet and the pipeline adopts a mode of sleeving a hose and fastening by using an iron wire, the installation mode is time-consuming and laborious no matter when being installed or disassembled, and the phenomenon that the pipeline falls off can also occur in the use process.
Disclosure of Invention
This section is intended to summarize some aspects of embodiments of the application and to briefly introduce some preferred embodiments, which may be simplified or omitted in this section, as well as the description abstract and the title of the application, to avoid obscuring the objects of this section, description abstract and the title of the application, which is not intended to limit the scope of this application.
The present invention has been made in view of the above and/or problems occurring in the prior art.
Therefore, the technical problem to be solved by the invention is that the existing connection mode between the inlet of the steam turbine and the pipeline adopts a mode of sleeving a hose and fastening the hose by using an iron wire, and the installation mode is time-consuming and laborious no matter when being installed or disassembled, and the phenomenon that the pipeline falls off can also occur in the use process.
In order to solve the technical problems, the invention provides the following technical scheme: a steam turbine inlet conditioning system comprising, a steam turbine provided with an inlet;
The air inlet pipeline is connected with the air inlet through an air inlet joint;
the air inlet connector comprises a connecting seat fixedly connected with the air inlet and a connector connected with the connecting seat, the connecting seat is provided with a connecting flange, and the connecting flange is fixedly connected to the air inlet;
The connecting seat is provided with a first through hole which penetrates through the connecting seat, and an annular groove is formed in the first through hole; the connector is provided with a second through hole that runs through, be provided with the ball groove in the second through hole, be provided with the spheroid in the ball groove, the spheroid is provided with the third through hole that runs through.
As a preferred embodiment of the steam turbine intake adjusting system according to the present invention, wherein: the connector is provided with a positioning boss outside, the axial lead of the positioning boss passes through the center of the sphere, the positioning boss is provided with a fourth through hole penetrating to the spherical groove, the sphere is provided with an adjusting shaft extending along the radial direction, and the adjusting shaft passes through the fourth through hole.
As a preferred embodiment of the steam turbine intake adjusting system according to the present invention, wherein: a fifth through hole penetrating radially is formed in one end, located outside the fourth through hole, of the adjusting shaft, a sliding rod is arranged in the fifth through hole, a stop block is arranged at one end of the sliding rod, a fourth spring is arranged between the stop block and the adjusting shaft, and the fourth spring is sleeved outside the sliding rod;
The locating boss is provided with a plurality of limit grooves evenly distributed along the circumference, one end of the sliding rod, which is far away from the stop block, is provided with a limit bulge, and the limit bulge is embedded into one of the limit grooves.
As a preferred embodiment of the steam turbine intake adjusting system according to the present invention, wherein: a sliding groove extending along the radial direction is arranged on the side surface of the second through hole, and a sliding block is arranged in the sliding groove; one end of the sliding block, which is far away from the second through hole, is provided with an inclined surface and forms a wedge shape, and the angle of the inclined surface, which is close to one edge angle of the connecting seat, is larger than 90 degrees.
As a preferred embodiment of the steam turbine intake adjusting system according to the present invention, wherein: the connector is provided with an elongated slot extending along the axial direction, the elongated slot is communicated with the chute, the width of the elongated slot is larger than that of the chute, limiting blocks positioned on two sides of the chute are arranged in the elongated slot, and two side surfaces of the sliding block are in sliding contact with the surfaces of the limiting blocks.
As a preferred embodiment of the steam turbine intake adjusting system according to the present invention, wherein: a sliding plate is arranged in the long groove, one end of the sliding plate is provided with a connecting groove, and the limiting block and the sliding block are positioned in the connecting groove; and a second spring is arranged between one end of the sliding plate, which is far away from the connecting seat, and the bottom of the long groove.
As a preferred embodiment of the steam turbine intake adjusting system according to the present invention, wherein: the connecting groove is characterized in that triangular grooves penetrating through the two side faces of the connecting groove are formed, protrusions are arranged on the face, in contact with the triangular grooves, of the sliding block, and the protrusions are embedded into the triangular grooves.
As a preferred embodiment of the steam turbine intake adjusting system according to the present invention, wherein: the side surface of the triangular groove, which is close to the inside of the connector, is perpendicular to the surface, which is far away from the connecting seat, and the inclined surface of the triangular groove is parallel to the inclined surface; two symmetrical sliding grooves are formed in the connector, sliding blocks are arranged in the two sliding grooves, and a first spring is arranged between the two sliding blocks.
As a preferred embodiment of the steam turbine intake adjusting system according to the present invention, wherein: the outer side surface of the connector is provided with an adjusting groove penetrating through the long groove, the side surface of the sliding plate is provided with an adjusting pin, the adjusting pin penetrates through the adjusting groove, an adjusting ring is sleeved outside the connector, the inner side of the adjusting ring is provided with a limiting ring table, the outer side surface of the connector is provided with a limiting groove, and the limiting ring table is embedded into the limiting groove; the adjusting ring is provided with a chute, the adjusting pin is embedded into the chute, and the chute extends along the trend of the spiral line.
As a preferred embodiment of the steam turbine intake adjusting system according to the present invention, wherein: still be provided with annular sealing plate in the annular groove, be provided with spacing arch in the first through-hole, spacing arch is annular, and spacing bellied internal diameter is less than the internal diameter of first through-hole, spacing arch with be provided with the third spring between the annular sealing plate.
The invention has the beneficial effects that: in being connected the air inlet of admission line and steam turbine, connect the connector direct embedding to the connecting seat in to in the use, even if there is external force to outwards apply force the connector, also can not drop, when needs separation admission line and inhaler body, operate the adjusting ring, through the transmission, shrink the sliding block in the spout, then pop out the connector under the effect of third spring.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:
FIG. 1 is a schematic illustration of a steam turbine air intake conditioning system according to one embodiment of the present disclosure;
FIG. 2 is a schematic structural view of a connector in an air intake adjusting system of a steam turbine according to an embodiment of the present invention;
FIG. 3 is a schematic view of an air inlet joint in an air inlet adjustment system of a steam turbine according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a connector in an air intake adjusting system of a steam turbine according to an embodiment of the present invention;
FIG. 5 is a schematic view of an exploded view of an air inlet joint in an air inlet conditioning system of a steam turbine according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a hidden connector and a connection seat in an air inlet connector in an air inlet adjusting system of a steam turbine according to an embodiment of the present invention.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
In the following detailed description of the embodiments of the present invention, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration only, and in which is shown by way of illustration only, and in which the scope of the invention is not limited for ease of illustration. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
Further still, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1 to 3, the embodiment provides a steam turbine air inlet adjusting system, which includes a steam turbine 100, wherein the steam turbine 100 is provided with an air inlet 101; an intake duct 200, the intake duct 200 being connected to the intake port 101 through an intake joint 300; the air inlet connector 300 comprises a connecting seat 301 fixedly connected with the air inlet 101, and a connector 302 connected with the connecting seat 301, wherein the connecting seat 301 is provided with a connecting flange 301d, and the connecting flange 301d is fixedly connected to the air inlet 101 and can be fixedly connected through bolts.
Wherein, the connection base 301 is a revolving body, the connection base 301 is provided with a first through hole 301a penetrating therethrough, the first through hole 301a is communicated with the air inlet 101, and an annular groove 301b is arranged in the first through hole 301 a; the inner diameter of the annular groove 301b is larger than that of the first through hole 301a, the connector 302 is provided with a second through hole 302a penetrating through, a spherical groove 302g is arranged in the second through hole 302a, a ball 400 is arranged in the spherical groove 302g, the ball diameter of the spherical groove 302g is consistent with that of the ball 400, and a third through hole 401 penetrating through the ball 400 is arranged, so that a valve body capable of adjusting flow is formed by matching the spherical groove 302g and the spherical groove 302 g.
Further, a positioning boss 302h is arranged outside the connector 302, the positioning boss 302h is cylindrical, the axial lead of the positioning boss 302h passes through the sphere center of the sphere 400, the positioning boss 302h is provided with a fourth through hole 302i penetrating to the spherical groove 302g, the sphere 400 is provided with an adjusting shaft 402 extending along the radial direction, the adjusting shaft 402 passes through the fourth through hole 302i, and the position of the sphere 400 can be adjusted by operating the adjusting shaft 402.
One end of the adjusting shaft 402, which is positioned outside the fourth through hole 302i, is provided with a fifth through hole 402a penetrating along the radial direction of the adjusting shaft, a sliding rod 500 is arranged in the fifth through hole 402a, and the sliding rod 500 can move along the radial direction of the adjusting shaft 402 in the fifth through hole 402 a; one end of the sliding rod 500 is provided with a stopper 501, and the stopper 501 has a larger cross section than the sliding rod 500.
Further, a fourth spring 600 is disposed between the stop block 501 and the adjustment shaft 402, the fourth spring 600 is a pressure spring, and the elastic force of the fourth spring 600 pushes the stop block 501 away from the adjustment shaft 402. Wherein the fourth spring 600 is sleeved outside the sliding rod 500;
Correspondingly, the positioning boss 302h is provided with a plurality of limiting grooves 302j uniformly distributed along the circumference, one end of the sliding rod 500 away from the stop block 501 is provided with limiting protrusions 502, namely, the limiting protrusions 502 and the stop block 501 are positioned on two sides of the adjusting shaft 402, and the limiting protrusions 502 are embedded into one of the limiting grooves 302j, so that the radial movement range of the limiting protrusions 502 can be limited by the limiting grooves 302j, and meanwhile, the rotation of the adjusting shaft 402 can be limited by the limiting protrusions 502 embedded into one of the limiting grooves 302 j.
In this embodiment, the ball 400 provided on the connector 302 has a flow valve function, and the movement and fixation of the ball 400 are limited by the sliding rod 500, and when in operation, the stop 501 is pressed to disengage the limit protrusion 502 from the limit groove 302j, and then the sliding rod 500 is operated to rotate the adjusting shaft 402.
Example 2
Referring to fig. 1 to 6, a second embodiment of the present invention is based on the previous embodiment, and is different from the previous embodiment in that:
The connection base 301 is provided with a first through hole 301a penetrating therethrough, and the first through hole 301a is used for being connected with the connector 302; an annular groove 301b is arranged in the first through hole 301a, and the inner diameter of the annular groove 301b is larger than that of the first through hole 301 a; the outer diameter of the connector 302 is consistent with the inner diameter of the first through hole 301a, the connector 302 is provided with a second through hole 302a penetrating through, and when the connector 302 is connected with the connector base 301, the second through hole 302a is communicated with the first through hole 301a for conveying gas; the second through hole 302a is provided with a chute 302b extending along radial direction on the side, the chute 302b is provided with two and symmetrical, a sliding block 303 is arranged in the chute 302b, the sliding block 303 can slide along radial direction seriously in the chute 302b, when the connector 302 is connected with the connecting seat 301, the sliding block 303 moves from the chute 302b, one end of the sliding block is embedded into the annular groove 301b to limit and buckle, and the connector 302 is connected with the connecting seat 301.
Further, one end of the sliding block 303 away from the second through hole 302a is provided with an inclined surface 303a and forms a wedge shape, and an angle of the inclined surface 303a near an edge angle of the connecting seat 301 is greater than 90 °, so that a slope is formed, and in a process that the connecting head 302 enters the connecting seat 301, the inclined surface 303a contacts with an edge of the first through hole 301a and is contracted into the sliding groove 302 b. And then the slider 303 pops up again when it reaches the annular groove 301 b.
The connector 302 is provided with an elongated slot 302f extending along the axial direction, the elongated slot 302f is intersected with the chute 302b, the width of the elongated slot 302f is larger than that of the chute 302b, limiting blocks 302c positioned on two sides of the chute 302b are arranged in the elongated slot 302f, two side surfaces of the sliding block 303 are in sliding contact with the surface of the limiting block 302c, and the limiting blocks 302c can limit the deflection of the sliding block 303, so that the sliding block 303 can only move along the radial direction of the connector 302.
A sliding plate 304 is arranged in the long groove 302f, the sliding plate 304 can move in the long groove 302f along the length direction of the long groove 302f, a connecting groove 304a is arranged at one end of the sliding plate 304 to form a U-shaped shape, and a limiting block 302c and a sliding block 303 are positioned in the connecting groove 304 a; a second spring 307 is provided between one end of the slide plate 304 remote from the connection base 301 and the bottom of the long groove 302 f. The second spring 307 is a pressure spring, pushing the two sliding blocks 303 to the outside.
Wherein, the connecting groove 304a is provided with a through triangle groove 304b on both sides, the surface of the sliding block 303 contacting with the triangle groove 304b is provided with a protrusion 303b, the protrusion 303b is embedded in the triangle groove 304b, that is, the protrusion 303b can only move within the scope of the triangle groove 304 b.
The side surface of the triangular groove 304b near the inside of the connector 302 is perpendicular to the surface far from the connector 301, and the inclined surface of the triangular groove 304b is parallel to the inclined surface 303a, that is, the triangular groove 304b is in a right triangle shape, and when the sliding plate 304 moves in the direction far from the connector 301, the inclined surface of the triangular groove 304b pushes the protrusion 303b, so that the sliding block 303 is retracted into the sliding groove 302 b.
It should be noted that two symmetrical sliding grooves 302b are provided in the connector 302, sliding blocks 303 are provided in both sliding grooves 302b, and a first spring 305 is provided between the two sliding blocks 303.
Further, an adjusting groove 302d penetrating the long groove 302f is formed on the outer side surface of the connecting head 302, an adjusting pin 304c is arranged on the side surface of the sliding plate 304, the adjusting pin 304c passes through the adjusting groove 302d, and the sliding plate 304 can be driven by operating the adjusting pin 304 c. The connector 302 is externally sleeved with an adjusting ring 306, the inner side of the adjusting ring 306 is provided with a limiting ring table 306a, the outer side surface of the connector 302 is provided with a limiting groove 302e, and the limiting ring table 306a is embedded into the limiting groove 302e, so that the adjusting ring 306 can rotate on the connector 302 and cannot axially deviate.
Wherein the adjustment ring 306 is provided with a chute 306b, the adjustment pin 304c is embedded in the chute 306b, the chute 306b extends along a spiral line, so that when the adjustment ring 306 is rotated, the chute 306b drives the adjustment pin 304c to move in the adjustment groove 302d, and because the chute 306b extends along the spiral line, when the adjustment pin 304c is operated to move, the adjustment pin 304c pushes the side surface of the chute 306b, and the force of the adjustment pin 304c to the side surface of the chute 306b is: the force along the axial direction of the adjusting ring 306 is greater than the force perpendicular to the axial direction, so that a self-locking effect is formed between the adjusting pin 304c and the chute 306b, and there is no fear that the connecting head 302 will fall off.
Further, an annular sealing plate 308 is further disposed in the annular groove 301b, the annular sealing plate 308 can move in the annular groove 301b along the axial direction, a limiting protrusion 301c is disposed in the first through hole 301a, the limiting protrusion 301c is annular, the inner diameter of the limiting protrusion 301c is smaller than that of the first through hole 301a, and a third spring 309 is disposed between the limiting protrusion 301c and the annular sealing plate 308. When the joint head 302 is connected in place, the gap between the end of the joint head 302 and the annular groove 301b is just capable of accommodating the annular sealing plate 308, and the elastic force of the third spring 309 urges the annular sealing plate 308 into close contact with the joint head 302.
In this embodiment, in the connection of the air inlet pipe and the air inlet of the steam turbine, the connector 302 is directly embedded into the connection seat 301 for connection, and in the use process, even if an external force is applied to the connector 302 outwards, the connector will not be pulled out, when the air inlet pipe 200 and the inhaler body 100 need to be separated, the adjusting ring 306 is operated, the sliding block 303 is contracted in the sliding groove 302b through transmission, and then the connector 302 is ejected under the action of the third spring 309.
It is important to note that the construction and arrangement of the application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present application. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present applications. Therefore, the application is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Furthermore, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the invention, or those not associated with practicing the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.
It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.
Claims (1)
1. A steam turbine air intake conditioning system, characterized by: comprising the steps of (a) a step of,
A steam turbine (100), the steam turbine (100) being provided with an air inlet (101);
An air intake duct (200), the air intake duct (200) being connected to the air intake (101) by an air intake joint (300);
The air inlet connector (300) comprises a connecting seat (301) fixedly connected with the air inlet (101) and a connector (302) connected with the connecting seat (301), the connecting seat (301) is provided with a connecting flange (301 d), and the connecting flange (301 d) is fixedly connected to the air inlet (101);
The connecting seat (301) is provided with a first through hole (301 a) which penetrates through, and an annular groove (301 b) is arranged in the first through hole (301 a); the connector (302) is provided with a second through hole (302 a) which penetrates through, a spherical groove (302 g) is formed in the second through hole (302 a), a ball body (400) is arranged in the spherical groove (302 g), and a third through hole (401) which penetrates through is formed in the ball body (400);
A positioning boss (302 h) is arranged outside the connector (302), the axial lead of the positioning boss (302 h) passes through the spherical center of the sphere (400), the positioning boss (302 h) is provided with a fourth through hole (302 i) penetrating into the spherical groove (302 g), the sphere (400) is provided with an adjusting shaft (402) extending along the radial direction, and the adjusting shaft (402) passes through the fourth through hole (302 i);
a fifth through hole (402 a) is formed in one end, located outside the fourth through hole (302 i), of the adjusting shaft (402), a sliding rod (500) is arranged in the fifth through hole (402 a), a stop block (501) is arranged at one end of the sliding rod (500), a fourth spring (600) is arranged between the stop block (501) and the adjusting shaft (402), and the fourth spring (600) is sleeved outside the sliding rod (500);
The positioning boss (302 h) is provided with a plurality of limiting grooves (302 j) which are uniformly distributed along the circumference, one end, far away from the stop block (501), of the sliding rod (500) is provided with a limiting protrusion (502), and the limiting protrusion (502) is embedded into one of the limiting grooves (302 j);
A sliding groove (302 b) extending along the radial direction is arranged on the side surface of the second through hole (302 a), and a sliding block (303) is arranged in the sliding groove (302 b); an inclined surface (303 a) is arranged at one end of the sliding block (303) far away from the second through hole (302 a) and forms a wedge shape, and the angle of the inclined surface (303 a) close to one edge angle of the connecting seat (301) is larger than 90 degrees;
The connector (302) is provided with an elongated slot (302 f) extending along the axial direction, the elongated slot (302 f) is communicated with the chute (302 b), the width of the elongated slot (302 f) is larger than that of the chute (302 b), limiting blocks (302 c) positioned at two sides of the chute (302 b) are arranged in the elongated slot (302 f), and two side surfaces of the sliding block (303) are in sliding contact with the surfaces of the limiting blocks (302 c);
A sliding plate (304) is arranged in the long groove (302 f), a connecting groove (304 a) is formed in one end of the sliding plate (304), and the limiting block (302 c) and the sliding block (303) are positioned in the connecting groove (304 a); a second spring (307) is arranged between one end of the sliding plate (304) far away from the connecting seat (301) and the bottom of the long groove (302 f);
The two side surfaces of the connecting groove (304 a) are provided with triangular grooves (304 b) which penetrate through, one surface of the sliding block (303) contacted with the triangular grooves (304 b) is provided with a bulge (303 b), and the bulge (303 b) is embedded into the triangular grooves (304 b);
the side surface of the triangular groove (304 b) close to the inside of the connector (302) is perpendicular to the surface far away from the connector (301), and the inclined surface of the triangular groove (304 b) is parallel to the inclined surface (303 a); two symmetrical sliding grooves (302 b) are formed in the connector (302), sliding blocks (303) are arranged in the two sliding grooves (302 b), and a first spring (305) is arranged between the two sliding blocks (303);
An adjusting groove (302 d) penetrating through the long groove (302 f) is formed in the outer side face of the connector (302), an adjusting pin (304 c) is arranged on the side face of the sliding plate (304), the adjusting pin (304 c) penetrates through the adjusting groove (302 d), an adjusting ring (306) is sleeved outside the connector (302), a limiting ring table (306 a) is arranged on the inner side of the adjusting ring (306), a limiting groove (302 e) is formed in the outer side face of the connector (302), and the limiting ring table (306 a) is embedded into the limiting groove (302 e); the adjusting ring (306) is provided with a chute (306 b), the adjusting pin (304 c) is embedded in the chute (306 b), and the chute (306 b) extends along the spiral line trend;
Still be provided with annular closing plate (308) in annular groove (301 b), be provided with spacing arch (301 c) in first through-hole (301 a), spacing arch (301 c) are annular, and the internal diameter of spacing arch (301 c) is less than the internal diameter of first through-hole (301 a), spacing arch (301 c) with be provided with third spring (309) between annular closing plate (308).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111484655.7A CN114320496B (en) | 2021-12-07 | 2021-12-07 | Air inlet adjusting system of steam turbine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111484655.7A CN114320496B (en) | 2021-12-07 | 2021-12-07 | Air inlet adjusting system of steam turbine |
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| CN114320496A CN114320496A (en) | 2022-04-12 |
| CN114320496B true CN114320496B (en) | 2024-08-06 |
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| CN202111484655.7A Active CN114320496B (en) | 2021-12-07 | 2021-12-07 | Air inlet adjusting system of steam turbine |
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| CN115370842B (en) * | 2022-07-31 | 2024-05-31 | 华能澜沧江水电股份有限公司 | Connecting device applied to cooling pipeline of water turbine |
| CN115415065B (en) * | 2022-08-29 | 2024-03-29 | 华能伊敏煤电有限责任公司 | Dust fall shower nozzle is used in opencut colliery opening |
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| CA2302804A1 (en) * | 1999-03-26 | 2000-09-26 | Pgi International, Ltd. | Low emission disconnect system |
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| CA2033571C (en) * | 1990-01-22 | 1994-09-13 | William Ross Mclennan | Dry break pipe coupling |
| CN111900559B (en) * | 2020-08-04 | 2021-09-10 | 贵州电网有限责任公司 | Branch wire clamp capable of being quickly separated |
| CN113357012A (en) * | 2021-06-04 | 2021-09-07 | 林胜杰 | Vertical speed reduction gas turbine |
| CN113513541B (en) * | 2021-08-24 | 2022-03-25 | 华中科技大学 | Diaphragm spring type truck clutch torsion vibration reduction transmission system |
| CN113696755B (en) * | 2021-09-22 | 2023-12-08 | 三盈联合科技股份有限公司 | Charging connector for new energy automobile |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2302804A1 (en) * | 1999-03-26 | 2000-09-26 | Pgi International, Ltd. | Low emission disconnect system |
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