CN209809960U - Propeller blade angle adjusting structure - Google Patents
Propeller blade angle adjusting structure Download PDFInfo
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- CN209809960U CN209809960U CN201920222150.5U CN201920222150U CN209809960U CN 209809960 U CN209809960 U CN 209809960U CN 201920222150 U CN201920222150 U CN 201920222150U CN 209809960 U CN209809960 U CN 209809960U
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Abstract
The utility model discloses a propeller blade angle adjusting structure, which comprises a blade and a blade seat, wherein at least two mounting planes for mounting the blade are arranged on the blade seat along the circumferential direction, the blade is mounted at the corresponding mounting plane, the blade consists of a root connecting plate and a blade body, and a circular groove is arranged at the circle center of each mounting plane on the blade seat and matched with a circular bulge at the root connecting plate of the blade; at least one arc-shaped adjusting long hole is arranged on the root connecting plate of the blade along the circumferential direction of the blade, a locking bolt penetrates through the arc-shaped adjusting long hole, the rod part of the locking bolt is in threaded connection with the corresponding mounting plane, and the head part of the locking bolt is in adjustable press fit with the corresponding root connecting plate. The utility model discloses the connected mode of traditional blade and blade seat has been changed to the correspondence sets up blade angle regulatory function, thereby simple swift realization blade angular adjustment makes thick liquids mix effect and motor current more meet the requirements.
Description
Technical Field
The utility model belongs to the technical field of papermaking equipment, especially, relate to a propeller blade angle modulation structure.
Background
The propeller is mainly used for circularly stirring the pulp tank, so that the pulp keeps a suspension state, and the components of the paper are uniformly distributed in the pulp. In actual operation, the blade angle of the propeller is directly related to the suspension state of the slurry and the uniform distribution of the slurry, and under the condition of not changing the specification of the blade, the slurry mixing effect and the motor current can be more in accordance with the requirements by adjusting the blade angle.
The utility model with publication number CN109026757A discloses a blade angle adjusting device, which comprises a guide blade body, a blade, an impeller hub, a motor shaft and a locking device, wherein the push rod is provided with a key groove, a push rod dividing disc is sleeved at the central position of the push rod through the key groove, and a push plate is sleeved at the other end of the push rod; the stepping motor is connected with a dial plate, and the push rod index plate is meshed with the dial plate; the impeller hub is also connected with a guide rail groove block and a blade dividing disc; the blade adjusting mechanism assembly comprises a first sliding block, a first crank, a blade wedge block, a second sliding block and a second crank, wherein the first sliding block is connected with the first crank, the second sliding block and the second crank, and the other ends of the first sliding block and the second sliding block are connected with the guide rail groove block; the blade wedge block is meshed with the blade dividing disc; the utility model discloses the device has solved the inconvenient difficult problem of blade angle modulation among the prior art, has quick, convenient, the reliable accurate advantage of angle modulation.
The blade angle adjusting device of the technical scheme has a complex structure, greatly changes the blades and the impeller hub, influences the stable operation of equipment, and cannot be suitable for continuous long-time operation of circular stirring of a slurry tank.
Notice CN 208397008U's utility model patent discloses a stator blade angle modulation structure for adjust the angle of engine stator blade, stator blade angle modulation structure includes: the dial is an assembly integrally formed with a rocker arm of the stator blade and can rotate coaxially with the stator blade, and a scale line used for marking a rotation angle is arranged on the dial; the indicating plate is fixed on the casing, and a second scribed line matched with the first scribed line of the dial is arranged on one side close to the dial. And the indicator board is set as a vernier scale, the dial is set as a main scale, and the vernier angle scale and the main scale form a vernier angle scale, so that the measurement is more accurate.
The technical scheme mainly aims to directly and accurately acquire the rotation angle of the stator blade through the dial (the air inlet casing drives the linkage belt to move the rocker arm through the actuating cylinder to realize the rotation of the adjustable blade), and the adjustable blade angle adjusting device cannot be suitable for the blade angle adjustment of the propeller for circular stirring of the slurry pool.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the weak point among the prior art, provide a propeller blade angle modulation structure.
In order to solve the technical problem, the utility model adopts the following technical scheme: a propeller blade angle adjusting structure comprises blades and a blade seat, wherein at least two mounting planes for mounting the blades are arranged on the blade seat along the circumferential direction, the blades are mounted at the corresponding mounting planes, each blade consists of a root connecting plate and a blade body, and a circular groove is formed in the circle center of each mounting plane on the blade seat and matched with a circular bulge at the root connecting plate of each blade;
at least one arc-shaped adjusting long hole is arranged on the root connecting plate of the blade along the circumferential direction of the blade, a locking bolt penetrates through the arc-shaped adjusting long hole, the rod part of the locking bolt is in threaded connection with the corresponding mounting plane, and the head part of the locking bolt is in adjustable press fit with the corresponding root connecting plate.
And an adjusting and indicating device is arranged between the blade and the corresponding mounting plane.
The adjusting and indicating device comprises an arc-shaped adjusting scale plate correspondingly arranged at the arc-shaped adjusting long hole, the adjusting scale plate is connected with the corresponding locking bolt, and a plurality of scale holes are arranged on the adjusting scale plate; the root connecting plate of the blade is fixedly provided with a positioning pin protruding towards one side of the adjusting scale plate, and the positioning pin is in inserting fit with the corresponding scale hole.
Two locking bolts are arranged in each circular arc-shaped adjusting long hole, an adjusting gap is reserved between each locking bolt and the end part of the corresponding circular arc-shaped adjusting long hole, and two ends of each adjusting scale plate are respectively sleeved on the corresponding locking bolts.
The cross section of the scale hole is oval.
The scale holes are set to be odd number, more than three, and comprise 0-degree indicating holes positioned in the middle positions, and forward adjusting indicating holes and backward adjusting indicating holes positioned on two sides of the 0-degree indicating holes.
The scale holes are five, and comprise a 0-degree indicating hole positioned in the middle position, a 5-degree forward adjusting indicating hole and a 10-degree forward adjusting indicating hole positioned on one side of the 0-degree indicating hole, a 5-degree reverse adjusting indicating hole and a 10-degree reverse adjusting indicating hole positioned on the other side of the 0-degree indicating hole, and the 5-degree forward adjusting indicating hole, the 10-degree forward adjusting indicating hole, the 5-degree reverse adjusting indicating hole and the 10-degree reverse adjusting indicating hole represent the adjusting angle of the blade.
The blades are provided with at least three.
At least four circular arc-shaped adjusting long holes are arranged on the root connecting plate corresponding to the blades at equal intervals along the circumferential direction.
The utility model has the advantages that:
1. the utility model discloses the connected mode of traditional blade and blade seat has been changed to the correspondence sets up blade angle regulatory function, thereby can be simple swift realization blade angular adjustment, make thick liquids mix effect and motor current more meet the requirements, guarantee the suspended state and the thick liquids evenly distributed of thick liquids.
The circular groove is formed in the circle center of each mounting plane on the blade seat and matched with the circular protrusion of the root connecting plate of each blade, at least one circular arc-shaped adjusting long hole is formed in the root connecting plate of each blade in a distributed mode along the circumferential direction of the blade, a locking bolt penetrates through the circular arc-shaped adjusting long hole, the rod portion of each locking bolt is in threaded connection with the corresponding mounting plane, the head portion of each locking bolt is in adjustable compression fit with the corresponding root connecting plate, through the design, when the angle of each blade is adjusted, the locking bolt is loosened, the blades are rotated along the circular arc-shaped adjusting long holes, and the locking bolt is screwed after being rotated in place, so that the head portions of the locking bolts compress the corresponding root connecting plates.
The circular arc-shaped adjusting long holes can be distributed at least four in an equidistant mode in the circumferential direction on the root connecting plate corresponding to the blades, so that the blades can be conveniently adjusted, and the adjusted structure is stable.
2. The utility model discloses be equipped with between well blade and the mounting plane that corresponds and adjust indicating device to the angle of regulation of accurate demonstration and location blade.
The adjusting and indicating device comprises an arc-shaped adjusting scale plate correspondingly arranged at the arc-shaped adjusting long hole, the adjusting scale plate is connected with the corresponding locking bolt, and a plurality of scale holes are arranged on the adjusting scale plate; the positioning pin protruding towards one side of the adjusting scale plate is fixedly arranged on the root connecting plate of the blade and is in plug-in fit with the corresponding scale hole.
The utility model discloses in, the scale hole is established to odd number, and is more than three, and it is including the 0 degrees pilot hole that is located intermediate position department to and be located the forward direction regulation pilot hole and the backward direction regulation pilot hole of 0 degrees pilot hole both sides, convenient accurate positioning and forward and backward regulation demonstration.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 in a top view;
FIG. 3 is a schematic view of the adjustment dial of FIG. 2;
fig. 4 is an assembly schematic of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1 to 4, the utility model discloses a propeller blade angle adjusting structure, including blade 3 and blade seat 1, arrange along circumference on the blade seat 1 and be equipped with the three mounting surface that is used for installing the blade, blade 3 installs in the mounting surface department that corresponds and radially outwards extends.
The blade 3 comprises root connecting plate 31 and blade body 32, and the centre of a circle department of every mounting surface on the blade seat 1 all is equipped with circular recess 6, and it cooperatees with circular arch 7 of root connecting plate 31 department of blade 3.
Four arc-shaped adjusting long holes are arranged on the root connecting plate 31 of the blade 3 along the circumferential direction of the blade, locking bolts 2 penetrate through the arc-shaped adjusting long holes, the rod parts of the locking bolts 2 are in threaded connection with the corresponding mounting planes, and the heads of the locking bolts 2 are in adjustable press fit with the corresponding root connecting plate 31.
In this embodiment, two locking bolts 2 are arranged in each circular arc-shaped adjusting long hole, and an adjusting gap is reserved between each locking bolt 2 and the end part of the corresponding circular arc-shaped adjusting long hole.
And an adjusting and indicating device is arranged between the blade 3 and the corresponding mounting plane so as to accurately display and position the adjusting angle of the blade.
The adjusting and indicating device comprises arc-shaped adjusting scale plates 4 correspondingly arranged at the arc-shaped adjusting long holes, two ends of each adjusting scale plate 4 are respectively sleeved on the corresponding locking bolts 2, and a plurality of scale holes are arranged on each adjusting scale plate 4; the root connecting plate 31 of the blade 3 is fixedly provided with a positioning pin 5 protruding towards one side of the adjusting scale plate, and the positioning pin 5 can rotate along with the blade and is inserted into a corresponding scale hole on the adjusting dial, so that the insertion fit of the positioning pin 5 and the corresponding scale hole is realized.
In this embodiment, the cross-section of scale hole is oval to guarantee that locating pin 5 is stable with the position after the scale hole grafting cooperation that corresponds.
In this embodiment, the number of the scale holes is five, and the scale holes include a 0-degree indication hole located at the middle position, and two scale holes separated by 5 degrees are respectively located towards both sides of the 0-degree indication hole, and respectively: the 5 degrees forward direction regulation that is located 0 degree pilot hole one side instructs hole and 10 degrees forward direction regulation pilot hole to and be located 0 degree pilot hole opposite side 5 degrees backward direction regulation pilot hole and 10 degrees backward direction regulation pilot hole, 5 degrees forward direction regulation pilot hole, 5 degrees backward direction regulation pilot hole and 10 degrees backward direction regulation pilot hole represent the angle of adjustment of blade, convenient accurate positioning and forward and backward regulation show.
The utility model discloses the connected mode of traditional blade and blade seat has been changed to the correspondence sets up blade angle regulatory function, thereby can be simple swift realization blade angular adjustment, make thick liquids mix effect and motor current more meet the requirements, guarantee the suspended state and the thick liquids evenly distributed of thick liquids.
The utility model discloses when adjustment and definite blade angle, loosen locking bolt 2 earlier, later lift up and adjust scale plate 4, and along convex root connecting plate 31 of adjusting slot hole rotating vane 3, locating pin 5 makes locating pin 5 correspond with the hole site of adjusting scale plate 4's correspondence along with the blade rotation, put down after targetting in place and adjust scale plate 4, make locating pin 5 peg graft in the scale hole that corresponds, screw up locking bolt after having, it can to make its head compress tightly the root connecting plate that corresponds, it adjusts simply swiftly, change to blade and impeller seat itself is less, guarantee the equipment and stabilize the operation, be particularly useful for the continuous long-time operation of thick liquid pond circulation stirring.
The above embodiments are only used for illustrating but not limiting the technical solutions of the present invention, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: the present invention may be modified or substituted with equivalents without departing from the spirit and scope of the invention, which should be construed as being limited only by the claims.
In the description of the present invention, it should be understood that the terms "front", "back", "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the description refers must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
Claims (9)
1. The utility model provides a propeller blade angle modulation structure, includes blade and blade seat, arranges along circumference on the blade seat and is equipped with two at least mounting surface that are used for installing the blade, and the blade is installed in the mounting surface department that corresponds, its characterized in that: the blade consists of a root connecting plate and a blade body, and a circular groove is formed in the circle center of each mounting plane on the blade seat and matched with a circular bulge at the root connecting plate of the blade;
at least one arc-shaped adjusting long hole is arranged on the root connecting plate of the blade along the circumferential direction of the blade, a locking bolt penetrates through the arc-shaped adjusting long hole, the rod part of the locking bolt is in threaded connection with the corresponding mounting plane, and the head part of the locking bolt is in adjustable press fit with the corresponding root connecting plate.
2. The propeller blade angle adjustment structure according to claim 1, wherein: and an adjusting and indicating device is arranged between the blade and the corresponding mounting plane.
3. The propeller blade angle adjustment structure according to claim 2, wherein: the adjusting and indicating device comprises an arc-shaped adjusting scale plate correspondingly arranged at the arc-shaped adjusting long hole, the adjusting scale plate is connected with the corresponding locking bolt, and a plurality of scale holes are arranged on the adjusting scale plate; the root connecting plate of the blade is fixedly provided with a positioning pin protruding towards one side of the adjusting scale plate, and the positioning pin is in inserting fit with the corresponding scale hole.
4. A propeller blade angle adjustment structure according to claim 3, characterized in that: two locking bolts are arranged in each circular arc-shaped adjusting long hole, an adjusting gap is reserved between each locking bolt and the end part of the corresponding circular arc-shaped adjusting long hole, and two ends of each adjusting scale plate are respectively sleeved on the corresponding locking bolts.
5. A propeller blade angle adjustment structure according to claim 3, characterized in that: the cross section of the scale hole is oval.
6. A propeller blade angle adjustment structure according to claim 3, characterized in that: the scale holes are set to be odd number, more than three, and comprise 0-degree indicating holes positioned in the middle positions, and forward adjusting indicating holes and backward adjusting indicating holes positioned on two sides of the 0-degree indicating holes.
7. The propeller blade angle adjustment structure of claim 6, wherein: the scale holes are five, and comprise a 0-degree indicating hole positioned in the middle position, a 5-degree forward adjusting indicating hole and a 10-degree forward adjusting indicating hole positioned on one side of the 0-degree indicating hole, a 5-degree reverse adjusting indicating hole and a 10-degree reverse adjusting indicating hole positioned on the other side of the 0-degree indicating hole, and the 5-degree forward adjusting indicating hole, the 10-degree forward adjusting indicating hole, the 5-degree reverse adjusting indicating hole and the 10-degree reverse adjusting indicating hole represent the adjusting angle of the blade.
8. The propeller blade angle adjustment structure according to any one of claims 1 to 7, wherein: the blades are provided with at least three.
9. The propeller blade angle adjustment structure according to any one of claims 1 to 7, wherein: at least four circular arc-shaped adjusting long holes are arranged on the root connecting plate corresponding to the blades at equal intervals along the circumferential direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920222150.5U CN209809960U (en) | 2019-02-22 | 2019-02-22 | Propeller blade angle adjusting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920222150.5U CN209809960U (en) | 2019-02-22 | 2019-02-22 | Propeller blade angle adjusting structure |
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| Publication Number | Publication Date |
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| CN209809960U true CN209809960U (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920222150.5U Active CN209809960U (en) | 2019-02-22 | 2019-02-22 | Propeller blade angle adjusting structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109772192A (en) * | 2019-02-22 | 2019-05-21 | 郑州磊展科技造纸机械有限公司 | A kind of propeller blade angle adjustment mechanism |
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2019
- 2019-02-22 CN CN201920222150.5U patent/CN209809960U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109772192A (en) * | 2019-02-22 | 2019-05-21 | 郑州磊展科技造纸机械有限公司 | A kind of propeller blade angle adjustment mechanism |
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