CN206773004U8 - Anemometry - Google Patents

Abstract

The utility model discloses a kind of anemometry, anemometry includes：Support；The hoistable platform being arranged on support, hoistable platform include the elevating mechanism driven by power set and the table top being arranged at the top of elevating mechanism；The horizontal arm being arranged above hoistable platform, horizontal arm are extension type, and one end of horizontal arm is connected with table top by angle adjusting mechanism, and multiple air velocity transducers are provided with horizontal arm.Anemometry of the present utility model, the height adjustable of horizontal arm, horizontal direction are scalable, the angle of pitch is adjustable, realize it is three-dimensional adjustable, it is versatile, be applicable to different types of machines；The measuring wind speed to multiple measurement points can be once completed, positioning precision, detection efficiency significantly improve；Without survey crew's handheld operation, the security of operation process ensure that.

Description

Wind speed measurement equipment

technical field

The utility model relates to the technical field of measuring equipment, in particular, to a kind of wind speed measuring equipment.

Background technique

Screen box wind speed is an important parameter that affects wheat harvester threshing performance, is limited to structural problems, and there is no corresponding screen box wind speed detection means in the actual production process of the industry. At present, single-point wind speed detection is only carried out manually in the product development process. The single-point detection method is to fix the wind speed sensor at the end of the straight rod, and the inspector holds the straight rod for detection. ^ To detect the three screen sections of the screen box , each screen section detects three points, a total of nine points, and then calculates the three-stage wind speed parameters in the screen box through data statistics and calculation, and finally obtains the fan performance.

The problem that existing artificial single-point detection mode exists at present is: the positioning accuracy is low, and the fan performance error that causes the final calculation is larger; Only one point can be detected each time, and nine measurements are needed to complete, and the detection efficiency is low; It is manual detection, and there are certain security risks.

SUMMARY OF THE INVENTION

In view of this, the technical problem to be solved by this utility model is: provide a kind of wind speed measuring equipment with high positioning accuracy and high detection efficiency, replace manual, realize the automatic measurement of wind speed.

For solving the above-mentioned technical problems, the technical scheme of the present utility model is: wind speed measurement equipment, and described wind speed measurement equipment comprises:

[0006] a bracket;

Lifting platform, described lifting platform is arranged on described support, described lifting platform comprises the lifting mechanism driven by power unit, and is arranged on the table top of described lifting mechanism top;

Horizontal arm, described horizontal arm is positioned above described lifting platform, and one end of described horizontal arm is directly connected with described table top, or one end of described horizontal arm is connected with described table top by angle adjustment mechanism;

Wind speed sensor, described wind speed sensor is arranged on described horizontal arm.

When utilizing the wind speed measuring equipment of the present utility model to measure wind speed, the power unit drives the lifting platform to drive the horizontal arm to rise and fall in the vertical direction, and the height is adjusted, and after reaching the predetermined height position, the wind speed sensor on the horizontal arm can be used to measure the predetermined height. The wind speed of the location point is measured. Compared with the manual measurement method, the equipment detection method has high positioning accuracy and high detection efficiency.

Below is the multiple optimal design to the wind speed measuring equipment of the present utility model:

Wherein, described horizontal arm is retractable horizontal arm. The horizontal arm is retractable, so that the position of the wind speed sensor on the horizontal arm can be adjusted in the horizontal direction, which expands the range of wind speed measurement points and improves the adaptability of the equipment.

Further, the described horizontal arm of telescopic type adopts multi-stage X-shaped scissor mechanism.

Wherein, described lifting mechanism also adopts multi-level x-shaped scissor mechanism.

Wherein, described angle adjustment mechanism comprises: vertical arm, one end of described horizontal arm is connected with the upper section of described vertical arm; Rotary shaft, described rotary shaft is fixed on the lower end of described vertical arm, and described rotary shaft rotates by bearing Installed on the table top; a fixed frame, the fixed frame is fixed on the table top, located on one side of the vertical arm, the fixed frame is provided with an adjustment hole, and the adjustment hole is connected with the vertical arm. connected by fasteners.

Loosen the fastener, rotate the rotating shaft, can drive the vertical arm and the horizontal arm to rotate, adjust the horizontal arm pitch angle to the required angle; Meet the measurement of different angle wind speeds, further expand the scope of the wind speed measurement point, improve equipment adaptability.

[0017] Further, the adjustment hole is an arc hole, or the adjustment hole is a plurality of discrete holes arranged in an arc.

Further, described vertical arm is provided with the vertical arm slot extending along its height direction, and one end of the described multistage X-shaped scissor mechanism of described horizontal arm is provided with lower cross bar and upper cross bar, the described The lower cross bar is arranged through the long hole of the vertical arm, and the upper horizontal bar is fixed on the vertical arm. Because the lower cross bar is inserted in the long hole of the vertical arm, adjusting the upper and lower positions of the lower cross bar in the long hole of the vertical arm can realize the horizontal arm expansion and contraction in the horizontal direction, and the adjustment is convenient; no additional power device is required, and the structure is simple .

Wherein, described wind speed sensor is provided with multiple. The wind speed measurement of multiple measurement points can be completed at one time, which improves the detection efficiency.

Further, described wind speed sensor is provided with three rows, and every row is evenly distributed with three. Each row corresponds to one of the screen sections of the screen box of the harvester, and three wind speed sensors are evenly distributed along the width direction of the harvester on each screen section, which can complete the wind speed measurement of the nine measurement points of the three screen sections in the screen box at one time. .

Wherein, described wind speed measuring equipment also comprises display instrument panel, and described display instrument panel is provided with converter, and described wind speed sensor communicates with described converter. The wind speed measured by the wind speed sensor is converted into an electrical signal and transmitted to the converter. The converter parses the electrical signal into real-time wind speed data and displays it, which is convenient for real-time on-site inspection of the wind speed.

To sum up, owing to adopting the above-mentioned technical scheme, the wind speed measuring device of the present utility model, through two groups of multi-stage X-shaped scissor-type mechanisms, has realized the height adjustment and horizontal direction expansion and contraction of the horizontal arm, through the angle adjustment mechanism It realizes the adjustment of the pitch angle of the horizontal arm, realizes three-dimensional adjustment, has strong versatility, and can be applied to various models; the wind speed measurement of multiple measurement points can be completed at one time, and the positioning accuracy and detection efficiency are significantly improved; no measurement is required. Hand-held operation by personnel fully guarantees the safety of the operation process.

Description of drawings

Fig. 1 is the wind speed measuring equipment structural representation of the utility model embodiment;

Fig. 2 is the right side view of Fig. 1;

Fig. 3 is the electrical schematic diagram of the utility model embodiment;

Among the figure: 1-horizontal arm; 11-upper crossbar; 12-lower crossbar; 2-wind speed sensor; 3-angle adjustment mechanism; 31-stand arm; 311-stand arm long hole; 32-rotating shaft; 33-bearing;34-fixed frame;341-adjustment hole;35-fastener;4-lifting platform;41-lifting mechanism;42-table;5_bracket;51-roller;6-display instrument panel;7- Converter; 8- IPC.

detailed description

Below in conjunction with accompanying drawing and embodiment, the present utility model is described in non-limiting detail.

As shown in Figure 1 and Figure 2 together, the wind speed measuring equipment of the present utility model comprises: support 5, for the convenience of mobile equipment, the bottom of support 5 is provided with roller 51; The platform 4 includes a lifting mechanism 41 driven by a power device, and a table 42 arranged on the top of the lifting mechanism 41, and the power device can adopt a conventional oil cylinder or a motor; The wind speed sensor 2 is provided on it, and one end of the horizontal arm 1 is connected with the table 42 through the angle adjustment mechanism 3; one end of the horizontal arm 1 and the table 42 can also be directly connected. Pitch angle. In the present invention, the horizontal arm 1 is preferably connected with the table top 42 through the angle adjustment mechanism 3.

Wherein, the horizontal arm 1 is a retractable horizontal arm, and specifically, the horizontal arm 1 adopts a multi-stage X-shaped scissor mechanism, so that the position of the wind speed sensor 2 on the horizontal arm 1 is adjustable in the horizontal direction, thus Expand the range of wind speed measurement points and improve equipment adaptability. Among them, the lifting mechanism 41 also adopts a multi-stage X-shaped scissor mechanism. The multi-stage X-shaped scissor mechanism is a multi-stage hinge structure, which is a well-known technology to those skilled in the art, and its structure and principle are not repeated here.

Wherein, the angle adjustment mechanism 3 comprises: the vertical arm 31, and one end of the horizontal arm 1 is connected with the upper section of the vertical arm 31; The rotating shaft 32, the rotating shaft 32 is fixed on the lower end of the vertical arm 31, and the rotating shaft 32 is rotated and installed on the table top by the bearing 33 42; the fixing frame 34, the fixing frame 34 is fixed on the table 42, and is located on one side of the vertical arm 31, there is an adjustment hole 341 on the fixing frame 34, and the fastener 35 is passed between the adjustment hole 341 and the vertical arm 31 For connection, the fastener 35 specifically adopts a conventional bolt and nut connection structure. Wherein, the adjustment hole 341 is an arc-shaped hole, and may also be a plurality of discrete holes arranged in an arc-shaped manner. As shown in FIG. 1 , the vertical arm 31 is provided with a vertical arm long hole 311 extending along its height direction, and one end of the multi-stage X-shaped scissor mechanism of the horizontal arm 1 is provided with a lower cross bar 12 and an upper cross bar 11 . The horizontal bar 12 is inserted through the long hole 311 of the vertical arm, and the upper horizontal bar 11 is fixed on the upper end of the vertical arm 31 .

[0031] As shown in Figure 1, wherein, the horizontal arm 1 is provided with a plurality of wind speed sensors 2. Specifically, there are three rows of wind speed sensors 2, and each row is evenly distributed with three. It is used to detect the wind speed of nine measurement points of three screen sections in the screen box of the harvester. Each row corresponds to one screen section of the screen box of the harvester. Three wind speed sensors are evenly distributed along the width direction of the harvester on each screen section. 2 , the wind speed measurement of nine measurement points in three screen sections in the screen box can be completed at one time.

As shown in Fig. 1 and Fig. 3 together, the wind speed measuring equipment of the present utility model also comprises display instrument panel 6, and is provided with converter 7 in the display instrument panel 6, and wind speed sensor 2 and converter 7 pass through wired or wireless mode communication. The wind speed measured by the wind speed sensor 2 is converted into an electrical signal and transmitted to the converter 7, and the converter 7 parses the electrical signal into real-time wind speed data and displays it on the display instrument panel 6, which is convenient for real-time on-site viewing of the wind speed situation. Further, the converter 7 communicates with the industrial computer 8, transmits and saves the wind speed measurement results to the industrial computer 8, and the industrial computer 8 memorizes and stores data, forms a curve, and has real-time storage and query and traceability functions.

When utilizing the wind speed measuring equipment of the utility model embodiment to measure the wind speed of three sieve sections and nine measuring points in the wheat harvester screen box, the free end of the horizontal arm 1 stretches into the wheat harvester from the back to the front against the wind In the screen box, nine wind speed sensors can complete the wind speed measurement of nine measurement points in three screen sections in the screen box at one time, and the real-time wind speed data can be viewed on the display panel 6 intuitively.

Above with measuring the wind speed of three sieve sections and nine measuring points in the wheat harvester screen box as an example, the wind speed measuring equipment of the present utility model embodiment has been introduced in detail, and the wind speed measuring equipment of the present utility model is not limited to the wheat harvester Screen box wind speed measurement can also be applied to rice and wheat combine harvesters, or any other place where wind speed needs to be measured.

Claims (10)

1. Wind speed measurement equipment, characterized in that, the wind speed measurement equipment comprises: a bracket; a lifting platform, the lifting platform is arranged on the bracket, the lifting platform includes a lifting mechanism driven by a power device, and is arranged on the a table top on the top of the lifting mechanism; a horizontal arm, the horizontal arm is located above the lifting platform, and one end of the horizontal arm is directly connected to the table top, or one end of the horizontal arm is connected to the table top through an angle adjustment mechanism connection; an air speed sensor, which is arranged on the horizontal arm. 2. The wind speed measuring device according to claim 1, wherein the horizontal arm is a retractable horizontal arm. 3. The wind speed measuring device according to claim 2, wherein the retractable horizontal arm adopts a multi-stage X-shaped scissor mechanism. 4. wind speed measuring equipment as claimed in claim 1, is characterized in that, described lifting mechanism adopts multistage X-shaped scissors mechanism. 5. The wind speed measuring device according to claim 3, wherein the angle adjustment mechanism comprises: a vertical arm, one end of the horizontal arm is connected to the upper section of the vertical arm; a rotating shaft, the rotating shaft is fixed on the The lower end of the vertical arm, the rotating shaft is rotatably mounted on the table surface through a bearing; a fixing frame, the fixing frame is fixed on the table surface and is located on one side of the vertical arm, and the fixing frame is provided with An adjustment hole, the adjustment hole and the vertical arm are connected by a fastener. 6. the wind speed measuring device as claimed in claim 5, is characterized in that, described adjustment hole is arc hole, or described adjustment hole is a plurality of discrete holes arranged in arc. 7. The wind speed measuring device according to claim 5, wherein the vertical arm is provided with a vertical arm long hole extending along its height direction, and one end of the multi-stage x-shaped scissor mechanism of the horizontal arm is provided with a long hole. There are a lower cross bar and an upper cross bar, the lower cross bar is passed through the long hole of the vertical arm, and the upper horizontal bar is fixed on the vertical arm. 8. The wind speed measuring device according to claim 1, wherein a plurality of the wind speed sensors are provided. 9. wind speed measuring equipment as claimed in claim 8, is characterized in that, described wind speed sensor is provided with three rows, and every row is evenly distributed with three. , _ 10. wind speed measuring equipment as claimed in claim 1, is characterized in that, described wind speed measuring equipment also comprises display instrument panel, and described display instrument panel is provided with converter, and described wind speed sensor communicates with described converter.