CN212225605U - Guide device of impeller air inlet - Google Patents

Abstract

The utility model provides a guider of impeller air inlet, which comprises an outer shell, electric actuator, the drive ring, the shaft coupling, initiative joint and stator, the drive ring is cup jointed to the shell periphery, a plurality of first through-holes of the peripheral equipartition of shell of the first side of drive ring, every first through-hole all corresponds an initiative joint, the second side of the one end fixed connection of every initiative joint to the drive ring, the other end passes the one end of a stator of first through-hole fixed connection, the other end of stator extends along the axle center of shell, a plurality of leads all are located inside the shell, and be radial distribution, electric actuator bottom is through one side of shaft coupling fixed connection to one of them initiative joint, electric actuator signal connection is to the controller. Impeller air inlet's guider, through local structural improvement with the improvement of unidirectional entry stator device for general type entry stator structure, repacking simple structure, practicality can upgrade original device through little expense and reform transform.

Description

Guide device of impeller air inlet

Technical Field

The utility model belongs to the technical field of the direction impeller, especially, relate to a guider of impeller air inlet.

Background

In the practical application of air blowers, compressors and turbine vacuum pumps, users can require the adjustment of the flow or the pressure rise of gas, at the moment, the performance curve and the working point of the equipment need to be changed to meet the actual use requirements of the users, compared with the method that an inlet adjusting valve is adopted to adjust the inlet flow and the pressure rise, an inlet guide vane is adopted to be adjusted to be a better adjusting mode, the adjustment of the inlet flow is realized by adjusting the rotating angle of the inlet guide vane, so that the inlet gas flow generates the flow and the pressure rise (or the vacuum degree) of pre-swirl adjusting gas, and the aim of economically and stably adjusting the inlet flow is fulfilled.

The rotating direction of the inlet guide vane needs to be consistent with that of the impeller, and impellers with different rotating directions need to be consistent with that of the inlet guide vane, so that the single-rotating-direction inlet guide vane device is improved into a universal inlet guide vane structure through local structural improvement, and the single-rotating-direction inlet guide vane device is suitable for impellers with clockwise rotating directions and anticlockwise rotating directions.

Disclosure of Invention

In view of this, the present invention is directed to a guide device for an impeller air inlet to provide a universal inlet guide vane structure improved from a unidirectional inlet guide vane device through a local structure improvement.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides a guider of impeller air inlet, which comprises an outer shell, electric actuator, the drive ring, the shaft coupling, joint assembly, the stator, the shell is the hollow cylinder structure, the drive ring is cup jointed to the shell periphery, a plurality of first through-holes of shell outer wall circumference equipartition, joint assembly includes a initiative joint and a plurality of driven joint, the first end of initiative joint, the one end fixed connection of every driven joint is to one side of drive ring, the second end of initiative joint, the other end of every driven joint all passes the one end of a first through-hole fixed connection to a stator, the other end of stator extends along the axle center of shell, a plurality of vanes all are located inside the shell, and be radial distribution, the first end of shaft coupling fixed connection to initiative joint is passed through to the electric actuator bottom, electric.

Furthermore, the driving ring comprises a first ring body and a plurality of sliding blocks which are connected with the inner wall of the first ring body in a sliding mode, sliding grooves distributed along the circumferential direction are formed in the inner ring of the first ring body, the top end of each sliding block is connected to the sliding grooves in a sliding mode, and the bottom end of each sliding block is fixedly connected to the outer side wall of the shell.

Further, the driving joint and the driven joint are the same in structure, the driving joint comprises a support plate, a double-head ball rod, a driving rod and a single-head ball rod, two ends of the double-head ball rod are fixedly connected to the first end of the driving rod and the first end of the support plate through the single-head ball rod respectively, the second end of the driving rod penetrates through a first through hole and is fixedly connected to the guide blade, the second end of the support plate is fixedly connected to the first ring body, the cross section of the driving rod is of a V-shaped structure, and the first end of the driving rod is fixedly connected to the bottom of the electric.

Further, the driving rod comprises a cross rod and a vertical rod, a first blind hole and a through hole are formed in the first side of the cross rod, the edge profile of the first blind hole is of a tooth-shaped structure, the bottom of the electric actuator is connected to one side of the cross rod in a clamped mode through the first blind hole, the other side of the cross rod is fixedly connected to the guide blade through the vertical rod, and the through hole is used for installing a single-head ball rod.

Further, the montant includes first connecting rod, the second connecting rod, first boss, the second boss, third boss and ka tai, first boss is installed to first connecting rod one end, the other end fixed connection is to one side of horizontal pole, first connecting rod is peripheral to pass through ka tai joint to shell, a plurality of second bosses are installed to second connecting rod one end, the other end is through a plurality of third boss fixed connection to stator, a plurality of second bosses constitute the keyway, the outline of keyway becomes the cruciform structure, the cross section of first boss is the rectangle structure, first ka boss joint to keyway, first ka boss and keyway all are located first through-hole.

Furthermore, the shaft coupling comprises a shaft body and a fourth boss, wherein a second blind hole is formed in one end of the shaft body, the fourth boss is installed at the other end of the shaft body, the outer contour of the second blind hole is of a toothed structure, the bottom of the electric actuator is connected to the second blind hole in a clamping mode, and the fourth boss is connected to the first blind hole in a clamping mode.

The shell comprises a shell body and a thickening ring, the shell body is of a hollow cylindrical structure, the thickening ring is sleeved on the periphery of the shell body, a plurality of first through holes are evenly distributed in the circumferential direction of the thickening ring, a plurality of mounting holes are evenly distributed in the circumferential direction of the shell body, a plurality of support plates, a double-head ball rod and a single-head ball rod are evenly distributed in the peripheral direction of the shell body, a plurality of guide vanes are located on the inner ring of the shell body, the bottom end of each sliding block.

Compared with the prior art, impeller air inlet's guider have following advantage:

(1) impeller air inlet's guider, through the flat key joint realize the joint of initiative and being connected of stator in the cross keyway, adapt to clockwise, two kinds of anticlockwise impeller that revolve to through the straight groove of equidirectional not in flat key and the cross keyway, become general type device with guider, repacking simple structure, practicality can upgrade original device through little expense and reform transform.

(2) Impeller air inlet's guider, the interior a plurality of initiative joints that include, one of them initiative joint is as main initiative joint, all the other as driven initiative joint, main initiative joint drives all the other a plurality of through the drive ring driven initiative joint synchronous motion drives a plurality of stator synchronous motion, has ensured the uniformity of a plurality of stator displacements, the reliability is high.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural view of a guide device of an impeller air inlet according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a driving ring structure according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of the assembly of the active joint and the guide vane according to the embodiment of the present invention;

fig. 4 is a schematic view of an active joint explosion structure according to an embodiment of the present invention;

fig. 5 is a schematic view of a driving rod structure according to an embodiment of the present invention;

fig. 6 is a schematic diagram of an exploded structure of a vertical rod according to an embodiment of the present invention;

fig. 7 is a schematic view of a coupling structure according to an embodiment of the present invention;

fig. 8 is a schematic view of a housing structure according to an embodiment of the present invention.

Description of reference numerals:

1-a housing; 11-a housing; 12-a thickening ring; 13-mounting holes; 2-an electric actuator; 3-drive ring; 31-a first ring member; 32-a slide block; 33-a chute; 4-a coupler; 41-second blind hole; 42-a fourth boss; 43-a shaft body; 5-active joint; 51-a support plate; 52-a double-ended cue; 53-driving rod; 531-crossbar; 532-vertical bar; 5321-a first link; 5322-a second link; 5323-a first boss; 5324-a second boss; 5325-a third boss; 5326-leather sheath; 5327-a chuck; 5328-a keyway; 533-first blind hole; 534-second via; 54-single-ended cue stick; 6-guide vanes; 7-slave joint.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1, the guide device of the impeller air inlet comprises a housing 1, an electric actuator 2, a driving ring 3, a coupler 4, a joint assembly and guide vanes 6, wherein the housing 1 is of a hollow cylindrical structure, the driving ring 3 is sleeved on the periphery of the housing 1, a plurality of first through holes are uniformly distributed on the outer wall of the housing 1 in the circumferential direction, the joint assembly comprises a driving joint 5 and a plurality of driven joints 7, the first end of the driving joint 5 and one end of each driven joint 7 are fixedly connected to one side of the driving ring 3, the second end of the driving joint 5 and the other end of each driven joint 7 penetrate through one first through hole and are fixedly connected to one end of one guide vane 6, the other end of each guide vane 6 extends along the axis of the housing 1, the guide vanes 6 are positioned inside the housing 1 and are radially distributed, the bottom of the electric actuator 2 is fixedly connected to the first end, the electric actuator 2 rotates the driving joint 5, and the driving joint 5 drives the other driven joints 7 to synchronously move through the driving ring 3.

As shown in fig. 2, the driving ring 3 includes a first ring body 31 and a plurality of sliding blocks 32 slidably connected to an inner wall of the first ring body 31, a sliding groove 33 circumferentially distributed is formed in an inner ring of the first ring body 31, a top end of each sliding block 32 is slidably connected to the sliding groove 33, and a bottom end is fixedly connected to an outer side wall of the casing 1.

As shown in fig. 3-4, the driving joint 5 and the driven joint 7 have the same structure, the driving joint 5 includes a brace 51, a double-headed club 52, a driver 53 and a single-headed club 54, two ends of the double-headed club 52 are fixedly connected to a first end of the driver 53 and a first end of the brace 51 through the single-headed club 54, respectively, a second end of the driver 53 passes through the first through hole and is fixedly connected to the guide vane 6, a second end of the brace 51 is fixedly connected to the first ring body 31, the cross section of the driver 53 is a V-shaped structure, and the first end of the driver 53 is also fixedly connected to the bottom of the electric actuator 2 through the coupling 4.

As shown in fig. 5, the driver 53 includes a cross bar 531 and a vertical bar 532, a first blind hole 533 and a through hole 534 are disposed on a first side of the cross bar 531, an edge profile of the first blind hole 533 is a tooth-shaped structure, the bottom of the electric actuator 2 is clamped to one side of the cross bar 531 through the first blind hole 533, the other side of the cross bar 531 is fixedly connected to the guide vane 6 through the vertical bar 532, and the through hole 534 is used for mounting the single-head cue 54.

As shown in fig. 6, the vertical bar 532 includes a first link 5321, a second link 5322, a first boss 5323, a second boss 5324, a third boss 5325 and a locking boss 5327, the first link 5321 has one end provided with the first boss 5323 and the other end fixedly connected to one side of the cross bar 531, the first link 5321 is locked to the housing 1 through the locking boss 5327, the second link 5322 has one end provided with the plurality of second bosses 5324 and the other end fixedly connected to the vane 6 through the plurality of third bosses 5325, the plurality of second bosses 24 form a key slot 5328, the key slot 5328 has a cross-shaped outer profile, the cross section of the first boss 5323 is rectangular, the first boss 5323 is locked to the key slot 5328, and a leather sheath 5326 is sleeved on the periphery of the end thereof for locking, the leather sheath 5326, the first boss 5323 and the key slot 5328 are disposed in the first through hole, the first boss 5323 is locked to a key slot 5328 for clockwise rotating the vane, when two fans with different rotation directions exist, the linear key groove corresponding to the rotation direction is selected for assembly when the fans are installed.

As shown in fig. 7, the shaft coupling 5 includes a shaft body 43 and a fourth boss 42, one end of the shaft body 43 is provided with a second blind hole 41, the other end is provided with the fourth boss 42, an outer contour of the second blind hole 41 is a toothed structure, the bottom of the electric actuator 2 is clamped to the second blind hole 41, and the fourth boss 42 is clamped to the first blind hole 533.

The shell 1 comprises a shell 11 and a thickening ring 12, the shell 11 is of a hollow cylindrical structure, the thickening ring 12 is sleeved on the periphery of the shell 11, a plurality of first through holes are uniformly distributed in the circumferential direction of the thickening ring 12, a plurality of mounting holes 13 are uniformly distributed in the circumferential direction of the shell 11, a plurality of support plates 51, a double-head ball rod 52 and a single-head ball rod 54 are uniformly distributed in the periphery of the shell 11, a plurality of guide vanes 6 are located on the inner ring of the shell 11, the bottom end of a sliding block 32 is mounted to the mounting holes 13, and the mounting.

The electric actuator 2 is of the type Tabo 25.

Process for modifying the guide of the air inlet of an impeller

Actually, there are two kinds of states in transformation process shell 1, one kind is the hollow cylinder structure with footpath, can be through welding a thickened ring 12, then cut a plurality of first through-holes on thickened ring 12 for device transformation's montant 532, another kind is the integral structure of hollow cylinder structure both sides casting flange with footpath, can constitute a thickened ring 12 with two semi-rings jointly, then weld thickened ring 12 to shell 1, same first ring body 31 also need constitute by two semi-rings that are equipped with spout 33, select suitable part according to actual demand.

The rotating direction and the rotating angle of the electric actuator 6 are unchanged (0-90 degrees), when the inlet is the anticlockwise inlet guide vane 6, the opening degree of the guide vane 6 is 0-90 degrees, the electric actuator 2 is opened by 10 degrees, and the inlet guide vane 6 is opened by 10 degrees and is consistent with the electric actuator 2.

When the inlet is a clockwise inlet guide vane 6, the opening degree of the guide vane 6 is (90-0 degrees) which is opposite to that of the electric actuator 2, when the electric actuator displays 20 degrees, the inlet guide vane 6 is fully opened by 90 degrees, when the electric actuator 2 is opened by 10 degrees, the inlet guide vane 6 is closed by 10 degrees by 80 degrees (90-10 degrees), therefore, the angle relation of the inlet guide vane 6 needs to be adjusted on a controller, and the controller is a PLC.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The guiding device of impeller air inlet, its characterized in that: comprises a shell (1), an electric actuator (2), a driving ring (3), a coupler (4), a joint assembly, guide vanes (6), wherein the shell (1) is of a hollow cylindrical structure, the driving ring (3) is sleeved on the periphery of the shell (1), a plurality of first through holes are uniformly distributed on the outer wall of the shell (1) in the circumferential direction, the joint assembly comprises a driving joint (5) and a plurality of driven joints (7), the first end of the driving joint (5), one end of each driven joint (7) is fixedly connected to one side of the driving ring (3), the second end of the driving joint (5), the other end of each driven joint (7) penetrates through one first through hole and is fixedly connected to one end of each guide vane (6), the other end of each guide vane (6) extends along the axis of the shell (1), the guide vanes (6) are positioned inside the shell (1) and radially distributed, the bottom of the electric actuator (2) is fixedly connected to the first end of the driving joint (5, the electric actuator (2) is connected with the controller through signals.

2. The guide device for an impeller air inlet according to claim 1, wherein: the driving ring (3) comprises a first ring body (31) and a plurality of sliding blocks (32) which are connected with the inner wall of the first ring body in a sliding mode, sliding grooves (33) distributed along the circumferential direction are formed in the inner ring of the first ring body (31), the top end of each sliding block (32) is connected to the corresponding sliding groove (33) in a sliding mode, and the bottom end of each sliding block is fixedly connected to the outer side wall of the shell (1).

3. The guide device for an impeller air inlet according to claim 2, wherein: initiative joint (5) and driven joint (7) structure are the same, initiative joint (5) are including extension board (51), double-end club (52), drive pole (53) and single-end club (54), double-end club (52) both ends are respectively through the first end of a single-end club (54) fixed connection to drive pole (53), the first end of extension board (51), the second end of drive pole (53) passes first through-hole fixed connection to stator (6), the second end fixed connection of extension board (51) is to first ring body (31), the cross section of drive pole (53) is V style of calligraphy structure, the first end of drive pole (53) still is through shaft coupling (4) fixed connection to electric actuator (2) bottom.

4. The guide device for an impeller air inlet according to claim 3, wherein: the driving rod (53) comprises a cross rod (531) and a vertical rod (532), a first side of the cross rod (531) is provided with a first blind hole (533) and a through hole, the edge profile of the first blind hole (533) is of a toothed structure, the bottom of the electric actuator (2) is clamped to one side of the cross rod (531) through the first blind hole (533), the other side of the cross rod (531) is fixedly connected to the guide vane (6) through the vertical rod (532), and the through hole is used for installing a single-head ball rod (54).

5. The guide device for an impeller air inlet according to claim 4, wherein: the vertical rod (532) comprises a first connecting rod (5321), a second connecting rod (5322), a first boss (5323), a second boss (5324), a third boss (5325) and a clamping platform (5327), the first boss (5323) is installed at one end of the first connecting rod (5321), the other end of the first connecting rod is fixedly connected to one side of the cross rod (531), the periphery of the first connecting rod (5321) is clamped to the shell (1) through the clamping platform (5327), a plurality of second bosses (5324) are installed at one end of the second connecting rod (5322), the other end of the second connecting rod is fixedly connected to the guide vane (6) through the plurality of third bosses (5325), the plurality of second bosses (5324) form a key groove (5328), the outer contour of the key groove (5328) forms a cross-shaped structure, the cross section of the first boss (5323) is of a rectangular structure, the first clamping boss is clamped to the key groove (5328), and the first clamping boss and the.

6. The guide device for an impeller air inlet according to claim 4, wherein: the shaft coupling (4) comprises a shaft body (43) and a fourth boss (42), one end of the shaft body (43) is provided with a second blind hole (41), the other end of the shaft body is provided with the fourth boss (42), the outer contour of the second blind hole (41) is of a toothed structure, the bottom of the electric actuator (2) is clamped to the second blind hole (41), and the fourth boss (42) is clamped to the first blind hole (533).

7. The guide device for an impeller air inlet according to claim 2, wherein: shell (1) includes casing (11) and thickened ring (12), casing (11) are hollow cylinder structure, thickened ring (12) are cup jointed to casing (11) periphery, a plurality of first through-holes of thickened ring (12) circumference equipartition, a plurality of mounting holes (13) of casing (11) circumference equipartition, a plurality of extension boards (51) of casing (11) periphery equipartition, double-end club (52) and single-end club (54), a plurality of stator (6) are located casing (11) inner circle, slider (32) bottom is installed to mounting hole (13), mounting hole (13) and slider (32) one-to-one.

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