A base for an ice-protected anemometer

Abstract

The utility model discloses an anti -icing wind speed sensor's base relates to wind speed sensor technical field, including the wind cup subassembly, support rod and base. The base one end is equipped with the sleeve hole, and the inner tooth surface has in the sleeve hole inner wall, and the support rod bottom extension connects the sleeve, and the sleeve is equipped with the convex tooth surface of engagement with the inner tooth surface, and the base is locked through fastener after the sleeve is equipped with. This structure realizes the circumferential limit through the tooth surface engagement, and the circumferential torque produced by directly resisting wind load and vibration, and the relative rotation of base and support rod is prevented, and the stability of wind cup orientation and the measurement accuracy are guaranteed, and the force of bolt is dispersed simultaneously, and the bolt fatigue loosening is avoided, and the connection life is prolonged. The double fixed structure adapts to strong wind, severe cold and other severe environment, and can realize the angular adjustment of close linearity through the adjustment of tooth surface engagement position, improves the installation flexibility, solves the problem that traditional bolt fixed is easy to loosen, and the angle is difficult to adjust.

Description

Technical Field

[0001] This utility model relates to the field of wind speed sensor technology, specifically to a base for an anti-freezing wind speed sensor. Background Technology

[0002] Wind speed sensors are indispensable core equipment in meteorological monitoring, aerospace, transportation, energy and power industries. Their measurement accuracy and stable operation are directly related to the safety management and efficiency improvement of these industries. In practical applications, wind speed sensors typically consist of a cup assembly, a support rod, and a base. The connection structure between the base and the support rod is a key element in ensuring the stability of the entire device. It must not only withstand the continuous wind load generated by the cup assembly under high-speed airflow, but also resist the dynamic impact forces caused by airflow fluctuations and environmental vibrations during equipment operation. Especially in harsh outdoor environments (such as plateaus, coastal areas, and frigid regions), the reliability of the connection structure is a core factor determining the sensor's lifespan and the validity of the measurement data.

[0003] Currently, the industry commonly uses bolt fastening to connect the base and the support rod (a typical structure is a wind speed sensor disclosed in application number CN202422198065.3). Specifically, both the base and the support rod are designed as cylindrical rod structures. During assembly, the bottom of the support rod is inserted into the sleeve hole of the base, and then pressure is applied by bolts arranged radially or axially. The relative fixation of the two is achieved by the friction between the bolts and the components. However, this traditional connection method has revealed significant defects during long-term use: On the one hand, since both the base sleeve hole and the support rod are smooth cylindrical surfaces in contact, there is a lack of an effective circumferential limiting structure between them. Under continuous wind load and periodic vibration, relative rotation is very likely to occur, causing the orientation of the wind cup assembly to shift, which directly affects the accuracy of wind speed measurement. On the other hand, the bolts rely solely on the frictional force generated by axial pressure to maintain their tightness. Under the influence of long-term vibration and temperature changes (such as the thermal expansion and contraction of components caused by the diurnal temperature difference in frigid regions), the bolts are very likely to loosen, further aggravating the relative displacement between the base and the support rod. In severe cases, it may even cause the support rod to fall off, resulting in damage to the wind speed sensor and posing a great hidden danger to monitoring work in related fields.

[0004] To address the aforementioned issues, the industry has attempted improvements such as increasing the number of bolts and using anti-loosening nuts. However, these solutions only slow down the loosening of bolts to a certain extent and do not fundamentally solve the problem of relative rotation between the base and support rod due to the lack of an effective circumferential limiting structure. Especially in harsh environments requiring long-term resistance to strong wind loads and high-frequency vibrations (such as wind farms and upper-air meteorological observation stations), the stability of existing connection structures still cannot meet practical application requirements. There is an urgent need for a connection solution that can reliably limit the position of the base and support rod from the structural design level, effectively preventing relative rotation and loosening, to ensure the long-term stable operation of wind speed sensors in complex environments. Utility Model Content

[0005] To address the shortcomings in the prior art, this utility model provides a base for an anti-freezing wind speed sensor.

[0006] The technical solution adopted in this utility model is: a base for an anti-freezing wind speed sensor, including a wind cup assembly, a support rod, and a base. One end of the base is provided with a sleeve hole for fitting with the support rod, and the inner wall of the sleeve hole is provided with an internal toothed surface; The bottom of the support rod extends to a connecting sleeve that fits into the sleeve hole, and the connecting sleeve is provided with a convex tooth surface that meshes with the internal tooth surface. The base and connecting sleeve are then fitted together and locked in place by fasteners.

[0007] Furthermore, the inner toothed surface is located at the end of the sleeve hole, the bottom of the connecting sleeve is provided with a limiting step, the convex toothed surface is located at the bottom of the connecting sleeve at one end of the limiting step, and the limiting step is used to limit the correct fitting of the base onto the connecting sleeve.

[0008] Furthermore, the outer circumference of the base away from the internal tooth surface is provided with a mounting ring, and the mounting ring is provided with a plurality of mounting holes.

[0009] Furthermore, the bottom of the base is provided with a cover fixed by bolts, the outer ring of the cover is provided with a plurality of positioning pieces, and the bottom of the base is provided with a positioning groove that matches the positioning pieces.

[0010] Furthermore, the fastener is a locking bolt.

[0011] The beneficial effects of this utility model are: 1. Improve connection stability: The inner toothed surface of the base sleeve hole meshes with the convex toothed surface of the support rod connecting sleeve to form a reliable circumferential limit, directly resisting the circumferential torque generated by wind load and vibration, completely avoiding the problem of easy rotation due to bolt friction on traditional smooth surfaces; at the same time, it disperses the bolt load, prevents bolt fatigue and loosening, extends the service life of the connection structure, and ensures the orientation stability and measurement accuracy of the wind cup assembly.

[0012] II. Near-linear angle adjustment, adaptable to multiple installation scenarios: The tooth surface is composed of uniform teeth. By changing the meshing tooth position, the fixed angle of the support rod can be precisely adjusted. That is, the more teeth there are, the smaller the angle adjustment increment, achieving near-linear adjustment. No complicated tools are required, and it can adapt to the prevailing wind direction, the tilt angle of the installation carrier, and other needs as required, solving the problem of difficult or impossible angle adjustment in traditional structures, and improving versatility and flexibility.

[0013] 3. Adaptable to harsh environments and enhanced overall reliability: The toothed meshing avoids the frictional loss of traditional connections and can still maintain stable positioning in the thermal expansion and contraction environment of frigid regions. It can also resist the influence of temperature fluctuations with fasteners. The structure is simple and compact, without increasing the size, weight and cost of the equipment. It combines practicality and economy and is suitable for use in harsh environments such as wind power and high altitudes.

[0014] In addition to the objectives, features and advantages described above, this utility model has other objectives, features and advantages.

[0015] The present invention will now be described in further detail with reference to the accompanying drawings. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model.

[0017] Figure 2 This is a schematic diagram of the base structure.

[0018] Figure 3 This is an exploded view of the present invention.

[0019] Figure 1-3 In the middle: 1. Wind cup assembly; 2. Support rod; 3. Base; 4. Sleeve hole; 5. Inner tooth surface; 6. Connecting sleeve; 7. Convex tooth surface; 8. Fastener; 9. Limiting step; 10. Mounting ring; 11. Mounting hole; 12. Cover; 13. Positioning piece; 14. Positioning groove. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0022] This utility model provides a base for an anti-freezing wind speed sensor.

[0023] In this embodiment, refer to Figure 1-3 The base of this anti-icing wind speed sensor includes a wind cup assembly 1, a support rod 2, and a base 3. One end of the base 3 is provided with a sleeve hole 4 for fitting with the support rod, and the inner wall of the sleeve hole 4 is provided with an internal tooth surface 5; The bottom of the support rod extends to a connecting sleeve 6 that fits into the sleeve hole, and the connecting sleeve 6 is provided with a convex tooth surface 7 that meshes with the internal tooth surface. The base and connecting sleeve are then locked together by fastener 8.

[0024] In the above technical solution, by providing an inner toothed surface on the inner wall of the base sleeve hole and a convex toothed surface on the support rod connecting sleeve, the circumferential positioning of the base and the connecting sleeve is achieved by the meshing of the toothed surfaces; then, the fasteners (locking bolts) are used for axial locking, forming a dual fixing structure of "meshing positioning and bolt fastening", which replaces the traditional fixing method that relies solely on bolt friction.

[0025] The toothed meshing directly resists the circumferential torque generated by wind load and vibration, completely eliminating the relative rotation between the base and the support rod, ensuring the stability of the cup assembly orientation and improving measurement accuracy; the meshing structure distributes the force on the bolts, preventing bolts from loosening due to fatigue caused by concentrated loads and extending the connection life; the dual fixing structure is suitable for harsh environments such as strong winds and vibrations, improving the overall connection reliability.

[0026] Specifically, the inner toothed surface is located at the end of the sleeve hole, the bottom of the connecting sleeve is provided with a limiting step 9, the convex toothed surface is located at the bottom of the connecting sleeve at one end of the limiting step, and the limiting step is used to limit the correct fitting of the base onto the connecting sleeve.

[0027] In this embodiment, the internal tooth surface is confined to the end of the sleeve hole. A limiting step is provided at the bottom of the connecting sleeve, and the convex tooth surface is located at one end of the step. During assembly, the limiting step abuts against the end of the base sleeve hole, forming axial positioning to ensure precise alignment and meshing of the internal tooth surface and the convex tooth surface, avoiding ineffective meshing of the tooth surfaces due to assembly misalignment. The limiting step quickly guides the base and connecting sleeve to accurately align, eliminating the need for repeated adjustments to the tooth surface position and improving assembly efficiency.

[0028] Specifically, the outer circumference of the base away from the inner tooth surface is provided with a mounting ring 10, and the mounting ring 10 is provided with a plurality of mounting holes 11 around its circumference.

[0029] In this embodiment, a mounting ring is provided on the outer edge of the base at the end away from the inner tooth surface. The ring is surrounded by mounting holes, which can be used to fix the base to the mounting carrier (such as a bracket or observation platform), providing a reliable mounting foundation for the entire sensor.

[0030] Specifically, the bottom of the base is provided with a cover 12 fixed by bolts, the outer ring of the cover is provided with a plurality of positioning pieces 13, and the bottom of the base is provided with a positioning groove 14 that matches the positioning pieces.

[0031] In this embodiment, the cap is fixed to the bottom of the base with bolts. A positioning piece is set on the outer ring of the cap, and a positioning groove is set on the bottom of the base. The cap and the base are circumferentially positioned by the engagement of the positioning piece and the positioning groove. Then, the cap is axially fixed with bolts, forming a cap fixing structure of "positioning engagement and bolt fastening". This improves the stability of the cap and the installation efficiency.

[0032] Specifically, the fastener is a locking bolt.

[0033] Attention all technical personnel: Although this utility model has been described according to the specific embodiments above, the concept of this utility model is not limited to this utility model. Any modification that utilizes the concept of this utility model will be included within the scope of protection of this patent right.

Claims

1. A base for an anti-freezing anemometer, comprising an air cup assembly, a support rod, and a base, characterized in that: One end of the base is provided with a sleeve hole for fitting with the support rod, and the inner wall of the sleeve hole is provided with an internal toothed surface; The bottom of the support rod extends to a connecting sleeve that fits into the sleeve hole, and the connecting sleeve is provided with a convex tooth surface that meshes with the internal tooth surface. The base and connecting sleeve are then fitted together and locked in place by fasteners.

2. The base of the anti-icing wind speed sensor according to claim 1, characterized in that: The inner toothed surface is located at the end of the sleeve hole, and a limiting step is provided at the bottom of the connecting sleeve. The convex toothed surface is located at the bottom of the connecting sleeve at one end of the limiting step. The limiting step is used to limit the correct fitting of the base onto the connecting sleeve.

3. The base of the anti-icing wind speed sensor according to claim 1, characterized in that: The base has a mounting ring on its outer circumference at the end away from the internal tooth surface, and the mounting ring has several mounting holes around its circumference.

4. The base of the anti-icing wind speed sensor according to claim 1, characterized in that: The base has a cover fixed to the bottom by bolts. The outer ring of the cover has several positioning pieces. The base has a positioning groove that matches the positioning pieces.

5. The base of the anti-icing wind speed sensor according to claim 1, characterized in that: The fastener is a locking bolt.

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