CN220909904U - Small-sized blade icing simulation test fan - Google Patents
Small-sized blade icing simulation test fan Download PDFInfo
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- CN220909904U CN220909904U CN202322699498.2U CN202322699498U CN220909904U CN 220909904 U CN220909904 U CN 220909904U CN 202322699498 U CN202322699498 U CN 202322699498U CN 220909904 U CN220909904 U CN 220909904U
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- simulation test
- blade icing
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- 238000012360 testing method Methods 0.000 title claims abstract description 20
- 238000004088 simulation Methods 0.000 title claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 55
- 238000005303 weighing Methods 0.000 claims abstract description 17
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000002474 experimental method Methods 0.000 description 14
- 238000006073 displacement reaction Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000008358 core component Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model discloses a small-sized blade icing simulation test fan, which relates to the technical field of blade icing test machines and comprises the following components: the base is rotationally connected with a transmission shaft, and an axial fixing rod is arranged on the transmission shaft; the blades are equidistantly distributed outside the transmission shaft, connecting blocks are arranged at the ends of the blades, and one end of the axial fixing rod is inserted into the connecting blocks; the self-locking structure comprises a pin rod, a spring, a threaded plug and a conical block, wherein the pin rod is in sliding connection with the transmission shaft, the spring is movably sleeved outside the pin rod, the conical block is fixedly arranged at one end of the threaded plug, and the threaded plug is in threaded connection with the transmission shaft; and the weighing part is arranged below the transmission shaft. The beneficial effects of the utility model are as follows: the synchronous unlocking of a plurality of blades is realized, the blades can be individually weighed one by one, and the icing simulation experiment efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of blade icing test machines, in particular to a small-sized blade icing simulation test fan.
Background
The fan blade has high requirements on materials, light weight, high strength, corrosion resistance and fatigue resistance, is one of core components of the wind driven generator, directly relates to the performance and benefit of the fan, has a negative influence on the performance of the fan after the fan blade is coated with ice, and is a key precondition for solving the problem of fan blade icing through a fan blade icing simulation test.
At present, in the blade icing simulation experiment, the experimental data under different variables need to be tested, the blade is installed at the rotation axis of the experiment machine, the experiment machine is arranged in the experiment field, the temperature and humidity change is regulated through the experiment field, the air flow is guided to the experiment machine, the icing state of the blade is simulated in the real environment by testing the icing quantity of the blade under different temperatures and humidity, therefore, after each group of experiments, the blade can be detached by an experimenter and measured one by one, and the icing quantity of the blade under different variables is recorded, so that the time required for the blade to complete a group of simulation tests is longer.
Disclosure of utility model
The utility model aims to provide a small blade icing simulation test fan, which aims to solve the defects in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a miniature blade icing simulation test fan comprising:
the base is rotationally connected with a transmission shaft, and an axial fixing rod is arranged on the transmission shaft;
The blades are equidistantly distributed outside the transmission shaft, connecting blocks are arranged at the ends of the blades, and one end of the axial fixing rod is inserted into the connecting blocks;
The self-locking structure comprises a pin rod, a spring, a threaded plug and a conical block, wherein the pin rod is in sliding connection with the transmission shaft, the spring is movably sleeved outside the pin rod, the conical block is fixedly arranged at one end of the threaded plug, and the threaded plug is in threaded connection with the transmission shaft;
and the weighing part is arranged below the transmission shaft.
Preferably, the device further comprises a driving part, wherein the driving part is arranged as a motor, and an output shaft of the motor is fixedly connected with the transmission shaft.
Preferably, the pin rods are in one-to-one correspondence with the connecting blocks, the pin rods are distributed along the radial direction of the transmission shaft, and one ends of the pin rods are inserted into the connecting blocks.
Preferably, the weighing part comprises a U-shaped bracket, and a pressure sensor is arranged at the end part of the U-shaped bracket.
Preferably, a cavity is formed in the transmission shaft, one end of the pin rod penetrates into the cavity, and one end of the pin rod is abutted against the cone block.
Preferably, the base is rotatably connected with an outer fixing sleeve, the outer fixing sleeve and the transmission shaft are coaxially arranged, a chute is formed in the outer fixing sleeve, and the two sides of the chute are provided with a position avoiding opening.
Compared with the prior art, the utility model has the beneficial effects that: the fan for the small blade icing simulation test comprises: through rotatory screw plug, the awl piece can outwards break away from, then the spring resets and makes the pin break away from the connecting block, and the blade just can be along the axial of transmission shaft displacement like this, and the blade is continuous to remove and breaks away from the axial fixed rod to continuously remove to weighing portion department, after the bearing is accomplished in moving to keeping away position mouth department, downward displacement makes the connecting block break away from keeping away position mouth department, has realized the synchronous unblock of a plurality of blades like this to can weigh the blade alone one by one, improved icing simulation experiment efficiency.
Drawings
FIG. 1 is a schematic diagram of an overall structure according to an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of an embodiment of the present utility model;
FIG. 3 is a schematic diagram of an enlarged structure at A in FIG. 2 according to an embodiment of the present utility model;
FIG. 4 is a schematic view of a structure of a blade in a weighing state according to an embodiment of the present utility model;
fig. 5 is a schematic view of a structure of a clearance port according to an embodiment of the present utility model.
In the figure: 10. a base; 11. a motor; 12. a transmission shaft; 121. a cavity; 13. a fixed sleeve; 14. a blade; 141. a connecting block; 15. a threaded plug; 151. a cone block; 16. a pin rod; 17. a spring; 18. an axial fixing rod; 19. a chute; 20. a avoidance port; 21. u-shaped support.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present disclosure.
Referring to fig. 1-5, the present utility model provides a technical solution: a miniature blade icing simulation test fan comprising:
The base 10, the base 10 is rotatably connected with a transmission shaft 12, and the transmission shaft 12 is provided with an axial fixing rod 18; the bottom of the base 10 is also provided with a tower pole which is connected with the bottom surface; the axial fixing rods 18 are distributed in a ring shape by taking the transmission shaft 12 as a circle center, and the transmission shaft 12 and the axial fixing rods 18 are arranged in parallel;
The blades 14 are equidistantly distributed outside the transmission shaft 12, connecting blocks 141 are arranged at the ends of the blades 14, and one end of the axial fixing rod 18 is inserted into the connecting blocks 141; the end of the blade 14 is provided with a connecting block 141, one surface of the connecting block 141, which is far away from the blade 14, is provided with a circular arc shape, the circular arc surface is attached to the outside of the transmission shaft 12, and one end of the axial fixing rod 18 is inserted into the connecting block 141. The axial fixing rod 18 can be inserted into the connecting block 141 by the forward movement of the blades 14 along the axial direction of the transmission shaft 12, so that the axial fixing rod 18 can be fixed, and the connecting block 141 is attached to the transmission shaft 12;
The self-locking structure comprises a pin rod 16, a spring 17, a threaded plug 15 and a conical block 151, wherein the pin rod 16 is in sliding connection with the transmission shaft 12, the spring 17 is movably sleeved outside the pin rod 16, the conical block 151 is fixedly arranged at one end of the threaded plug 15, and the threaded plug 15 is in threaded connection with the transmission shaft 12; the pin rod 16 is slidably inserted on the transmission shaft 12, the pin rod 16 is radially distributed by taking the transmission shaft 12 as a center, the pin rod 16 can be inserted into the transmission shaft 12 by displacement, the spring 17 is movably sleeved outside the pin rod 16, the pin rod 16 is arranged in a T shape, one end of the spring 17 is abutted against the inside of the transmission shaft 12, the other end is abutted against the pin rod 16, the spring 17 always applies a thrust force to the pin rod 16, so that the pin rod 16 has a trend of displacement towards the center of the pin rod 16, the conical block 151 is fixedly arranged at one end of the threaded plug 15, and the threaded plug 15 is in threaded connection with the transmission shaft 12; the conical block 151 can be ensured to displace outwards through the rotation of the threaded plug 15, the extrusion of the conical block 151 is lost, the spring 17 can rebound, so that the pin rod 16 displaces synchronously, one end of the pin rod 16 is separated from the connecting block 141, the connecting block 141 can displace smoothly along the axial direction of the transmission shaft 12, separation can be carried out from the axial fixing rod 18, and synchronous unlocking and convenient disassembly of a plurality of blades 14 are realized;
and a weighing part disposed below the transmission shaft 12. The connecting block 141 is suitably displaced along the axial direction of the transmission shaft 12, and can be moved to a weighing part, and the weighing part is used for weighing so as to record the mass change of the frozen recorder.
The motor also comprises a driving part, wherein the driving part is arranged as a motor 11, and an output shaft of the motor 11 is fixedly connected with a transmission shaft 12. The motor 11 rotates the transmission shaft 12. To simulate the movement of the fan in natural environment.
The pin rods 16 and the connecting blocks 141 are in one-to-one correspondence, the pin rods 16 are distributed along the radial direction of the transmission shaft 12, and one end of each pin rod 16 is inserted into each connecting block 141. The pin 16 is inserted into the connecting block 141, so that the connecting block 141 can be limited in the axial direction along the transmission shaft 12, and the position of the connecting block 141 is fixed by the limitation of the pin 16 and the axial fixing rod 18.
The weighing part comprises a U-shaped bracket 21, and the end part of the U-shaped bracket 21 is provided with a pressure sensor. The connecting block 141 is suitable for displacement along the axial direction of the transmission shaft 12 and can move to the weighing part, and the pressure sensor arranged on the weighing part and the connecting block 141 are used for supporting so as to realize weighing and record the quality change after icing
A cavity 121 is formed in the transmission shaft 12, one end of the pin rod 16 penetrates into the cavity 121, and one end of the pin rod 16 abuts against the cone 151. The cavity 121 is arranged such that the pin 16 and the cone 151 obtain a receiving space such that the cone 151 and the pin 16 can be brought into contact.
The base 10 is rotatably connected with an outer fixing sleeve 13, the outer fixing sleeve 13 and the transmission shaft 12 are coaxially arranged, a sliding groove 19 is formed in the outer fixing sleeve 13, and two sides of the sliding groove 19 are provided with a position avoiding opening 20. The outer fixing sleeve 13 is rotationally connected to the base 10, the blades 14 are limited by the outer fixing sleeve 13, so that stability of the blades is improved in the rotation process, the blades 14 can move better during axial displacement through the opened sliding grooves 19, and the connecting blocks 141 can smoothly pass through the avoidance ports 20 when the blades 14 are pulled outwards through the opened avoidance ports 20.
The utility model is implemented in particular: the method comprises the steps of fixing blades on an experiment machine, adjusting the rotating speed of the experiment machine, simulating the fan blade block to achieve the linear speed of the field fan blade, arranging the experiment machine in the experiment factory, achieving experiment requirements of different variables through temperature control, humidity control and simulated rainfall in the experiment factory, taking down the fan blade block from the experiment machine after the experiment is completed, checking the icing condition of the fan blade block, observing the icing position to obtain a simulation test conclusion, wherein the icing condition comprises whether icing occurs or not, the maximum thickness of the icing and the icing quality, rotating through a threaded plug 15 when the blades 14 are detached, guaranteeing that the cone block 151 is outwards displaced, losing the extrusion of the cone block 151, rebounding through a spring 17, enabling one end of a pin 16 to be synchronously displaced, enabling the connecting block 141 to be smoothly displaced along the axial direction of a transmission shaft 12, enabling the connecting block 141 to be separated from a shaft fixing rod 18, enabling the connecting block 141 to be axially displaced along the transmission shaft 12, enabling the connecting block to be moved to a weighing part, supporting through a pressure sensor and the connecting block 141 arranged on the weighing part, enabling the blades to be smoothly displaced to be 20, enabling the blades to be in a rotary state to be 20, and enabling the blades to be smoothly displaced to be 20 to be in a rotary state 20, and enabling the blades to be 20 to be smoothly placed outside the rotary state to be 20, and 20 to be placed outside the rotary state.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (6)
1. The utility model provides a small-size blade icing analogue test fan which characterized in that includes:
the base (10), the base (10) is rotatably connected with a transmission shaft (12), and the transmission shaft (12) is provided with an axial fixing rod (18);
The blades (14) are equidistantly distributed outside the transmission shaft (12), connecting blocks (141) are arranged at the ends of the blades (14), and one end of the axial fixing rod (18) is inserted into the connecting blocks (141);
The self-locking structure comprises a pin rod (16), a spring (17), a threaded plug (15) and a conical block (151), wherein the pin rod (16) is in sliding connection with the transmission shaft (12), the spring (17) is movably sleeved outside the pin rod (16), the conical block (151) is fixedly arranged at one end of the threaded plug (15), and the threaded plug (15) is in threaded connection with the transmission shaft (12);
and a weighing part which is arranged below the transmission shaft (12).
2. The miniature blade icing simulation test fan of claim 1, wherein: the motor is characterized by further comprising a driving part, wherein the driving part is arranged into a motor (11), and an output shaft of the motor (11) is fixedly connected with a transmission shaft (12).
3. The miniature blade icing simulation test fan of claim 1, wherein: the pin rods (16) are in one-to-one correspondence with the connecting blocks (141), the pin rods (16) are distributed along the radial direction of the transmission shaft (12), and one end of each pin rod (16) is inserted into each connecting block (141).
4. The miniature blade icing simulation test fan of claim 1, wherein: the weighing part comprises a U-shaped bracket (21), and a pressure sensor is arranged at the end part of the U-shaped bracket (21).
5. The miniature blade icing simulation test fan of claim 1, wherein: the inside of transmission shaft (12) has seted up cavity (121), in the one end of pin pole (16) runs through cavity (121), the one end of pin pole (16) is contradicted on awl piece (151).
6. The miniature blade icing simulation test fan of claim 1, wherein: the base (10) is rotationally connected with an outer fixing sleeve (13), the outer fixing sleeve (13) and the transmission shaft (12) are coaxially arranged, a sliding groove (19) is formed in the outer fixing sleeve (13), and two sides of the sliding groove (19) are provided with a avoidance opening (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322699498.2U CN220909904U (en) | 2023-10-09 | 2023-10-09 | Small-sized blade icing simulation test fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322699498.2U CN220909904U (en) | 2023-10-09 | 2023-10-09 | Small-sized blade icing simulation test fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220909904U true CN220909904U (en) | 2024-05-07 |
Family
ID=90916475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322699498.2U Active CN220909904U (en) | 2023-10-09 | 2023-10-09 | Small-sized blade icing simulation test fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220909904U (en) |
-
2023
- 2023-10-09 CN CN202322699498.2U patent/CN220909904U/en active Active
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