CN111999519A

CN111999519A - Wind speed measuring support

Info

Publication number: CN111999519A
Application number: CN202011008405.1A
Authority: CN
Inventors: 王建; 于会龙; 张永鑫; 谭文才
Original assignee: CRRC Changchun Railway Vehicles Co Ltd
Current assignee: CRRC Changchun Railway Vehicles Co Ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2020-11-27

Abstract

The invention discloses a wind speed measuring bracket, which comprises: the two ends of the supporting rod are provided with connecting holes; the connecting rods are fixed at the two ends of the cross beam and can extend into the connecting holes; and the supporting component is arranged on the supporting rod and/or the cross beam and is used for supporting the wind speed sensor. The wind speed measurement bracket provided by the invention solves the problems of unstable and inaccurate test result caused by handheld test; the equipment is rapid and simple to disassemble and assemble, small in size after being disassembled and convenient to carry, and the number of the measuring points can be adjusted at will according to the size of a specific testing air cylinder and the number of anemograph probes, and the equipment is assembled at will on site. And after the wind speed measurement support is fixed, personnel do not need to perform other operations in the test process, so that the personnel cost is saved, and meanwhile, the test result is not influenced by human factors, the probability of repeated tests is reduced, and the test efficiency is improved.

Description

Wind speed measuring support

Technical Field

The invention relates to the technical field of measuring equipment, in particular to a wind speed measuring support.

Background

At present, both railway passenger cars and urban railway passenger cars need to test the air volume of air conditioning systems of the railway passenger cars, and the conventional method of testing by using a handheld anemoscope probe after externally connecting an air duct has the following defects: (1) in the test process, the test result is influenced by the shaking, breathing and other micro actions of the detection personnel, so that the test data is unstable and inaccurate, and repeated test is caused; (2) the anemoscope probe needs to be repositioned before each test point is tested, and the test consumes more time; (3) at least one person is required to hold the wind speed test probe in the whole process, and the occupied cost of the personnel is high.

Disclosure of Invention

In view of the above, the present invention provides a wind speed measurement bracket, and the structural design of the wind speed measurement bracket can effectively solve the problems that the measurement accuracy is affected by human factors and the labor cost is high.

In order to achieve the purpose, the invention provides the following technical scheme:

an anemometry support comprising:

the two ends of the supporting rod are provided with connecting holes;

the connecting rods are fixed at the two ends of the cross beam and can extend into the connecting holes;

and the supporting component is arranged on the supporting rod and/or the cross beam and is used for supporting the wind speed sensor.

Preferably, in the wind speed measurement support, the connecting rod is perpendicular to the cross beam, and the distance between the support rod and the cross beam is adjusted by adjusting the distance that the connecting rod extends into the connecting hole.

Preferably, in the wind speed measurement support, the connecting rod is fixed to the support rod after extending into the connecting hole.

Preferably, in the wind speed measuring bracket, a plurality of elastic protrusions are arranged on the connecting rod at intervals along the length direction of the connecting rod.

Preferably, in the wind speed measuring bracket, the length of the supporting rod and the length of the cross beam are both adjustable.

Preferably, in the wind speed measuring support, the cross beam and the support rod are telescopic loop bars.

Preferably, in the wind speed measurement support, the support assembly includes a first connecting piece disposed on the support rod and a second connecting piece disposed on the cross beam.

Preferably, in the wind speed measuring bracket, the second connector includes a first anchor ear and a second anchor ear which are fixedly connected;

the axis of the first hoop is perpendicular to the axis of the second hoop.

Preferably, in the wind speed measurement support, a slide way is arranged on the support rod, and the second connecting piece is in sliding fit with the slide way.

Preferably, in the wind speed measuring support, connecting pieces are further fixed to two ends of the supporting rod.

When the wind speed measuring support provided by the embodiment is applied, the connecting rods fixed at the two ends of the cross beam are respectively inserted into the connecting holes at the two ends of the supporting rod, then the wind speed sensor is arranged on the supporting component, and the wind speed measuring support is fixedly arranged at the position of the wind speed and the wind volume to be measured.

The wind speed measuring support provided by the invention can fix and position the wind speed and wind volume test probe of the air conditioning system of the railway vehicle, and solves the problems of unstable and inaccurate test result caused by handheld test; the equipment is rapid and simple to disassemble and assemble, small in size after being disassembled and convenient to carry, and the number of the measuring points can be adjusted at will according to the size of a specific testing air cylinder and the number of anemograph probes, and the equipment is assembled at will on site. And after the wind speed measurement support is fixed, personnel do not need to perform other operations in the test process, so that the personnel cost is saved, and meanwhile, the test result is not influenced by human factors, the probability of repeated tests is reduced, and the test efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a wind speed measurement support according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a cross beam according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a strut according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a second connecting member according to an embodiment of the present invention.

In fig. 1-4:

the device comprises a support rod 1, a connecting piece 2, a connecting rod 3, a cross beam 4, a support component 5, a first connecting piece 5a, a second connecting piece 5b, a first hoop 51 and a second hoop 52.

Detailed Description

The invention aims to provide a wind speed measuring support, and the structural design of the wind speed measuring support can effectively solve the problems that the measurement precision is influenced by human factors and the labor cost is high.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left" and "right", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the positions or elements referred to must have specific orientations, be constructed in specific orientations, and be operated, and thus are not to be construed as limitations of the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 to 4, the wind speed measuring bracket according to the present invention is mainly used for measuring wind speed and wind volume of an air conditioner, and particularly, the wind speed measuring bracket may be used for measuring wind speed and wind volume of an air conditioning system of a rail transit.

The wind speed measuring bracket comprises a supporting rod 1, a cross beam 4 and a supporting assembly 5. Wherein, the two ends of the supporting rod 1 are provided with connecting holes. The both ends of crossbeam 4 are fixed with connecting rod 3, and connecting rod 3 can stretch into the connecting hole. Namely, the connecting rods 3 fixed at the two ends of the cross beam 4 can be respectively inserted into the connecting holes at the two ends of the supporting rod 1. The distance between the supporting rod 1 and the cross beam 4 can be adjusted by adjusting the distance of the connecting rod 3 inserted into the connecting hole. After the connecting rods 3 fixed at the two ends of the cross beam 4 are respectively inserted into the connecting holes at the two ends of the supporting rod 1, the cross beam 4 and the supporting rod 1 are arranged in parallel.

The support assembly 5 is arranged on the strut 1 or the support assembly 5 is arranged on the cross beam 4. Or the support assembly 5 is arranged on the strut 1 and the cross beam 4, in other words one part of the support assembly 5 is connected with the strut 1 and the other part is connected with the cross beam 4. The support assembly 5 is used to support the wind speed sensor.

The number of the support assemblies 5 may be one or more, and the number of the support assemblies 5 may be set according to actual requirements, and is not limited herein.

When the wind speed measuring support provided by the embodiment is applied, the connecting rods 3 fixed at the two ends of the cross beam 4 are respectively inserted into the connecting holes at the two ends of the supporting rod 1, then the wind speed sensor is arranged on the supporting component 5, and the wind speed measuring support is fixedly arranged at the position of the wind speed and the wind volume to be measured.

Specifically, the wind speed measurement bracket may be fixedly mounted on an inner wall of the test wind tunnel. According to practical conditions, a plurality of wind speed measurement brackets can be arranged, and each wind speed measurement bracket is provided with a plurality of supporting components 5, which are not limited herein.

In a specific embodiment, the connecting rods 3 and the cross beams 4 may be arranged vertically. Therefore, the distance between the supporting rod 1 and the cross beam 4 is adjusted by adjusting the distance of the connecting rod 3 extending into the connecting hole, and finally the position of the supporting component 5 and the wind speed sensor in the longitudinal direction is adjusted, wherein the longitudinal direction is the direction parallel to the wind direction.

Of course, the included angle between the connecting rod 3 and the cross beam 4 may be an acute angle, and is not limited herein.

In order to prevent the connecting rods 3 fixed at the two ends of the cross beam 4 from being respectively inserted into the connecting holes at the two ends of the supporting rod 1 to generate displacement, the connecting rods 3 are relatively fixed with the supporting rod 1 after extending into the connecting holes. In other words, after the connecting rod 3 extends into the connecting hole to a proper position, the connecting rod 3 and the supporting rod 1 can be relatively fixed.

Further, a plurality of elastic protrusions are arranged on the connecting rod 3 at intervals along the length direction thereof. So can offset with branch 1 through elastic bulge to the realization is spacing to connecting rod 3, finally realizes connecting rod 3 and branch 1 relatively fixed.

Or, an L-piece may be provided to be fixedly connected to the supporting rod 1 and the connecting rod 3 at the same time, so as to fix the connecting rod 3 and the supporting rod 1 relatively. The L-shaped sheet is fixed with the support rod 1 and the connecting rod 3 by screws.

In order to adapt to the air ducts to be tested in various models, the lengths of the supporting rod 1 and the cross beam 4 can be adjusted. So as to adjust the length of the supporting rod 1 and the beam 4 according to the size of the wind tube to be measured.

Further, the beam 4 and the strut 1 may be both telescopic rods. Or, the cross beam 4 and the supporting rod 1 may also include multiple segments of branch rods that are sequentially detachably and fixedly connected, and the adjustment of the length of the cross beam 4 or the supporting rod 1 is realized by adjusting the number of the branch rods, which is not limited herein.

In another embodiment, the support assembly 5 comprises a first connection 5a provided on the bar 1 and a second connection 5b provided on the beam 4. One wind speed sensor may be supported per support assembly 5. The first connecting piece 5a and the second connecting piece 5b jointly support the wind speed sensor, a probe of the wind speed sensor is supported by the first connecting piece 5a, and a body of the wind speed sensor is supported by the second connecting piece 5 b.

Further, the second connector 5b includes a first anchor ear 51 and a second anchor ear 52 fixedly connected. And the axis of the first anchor ear 51 and the axis of the second anchor ear 52 are perpendicular to each other. The first anchor ear 51 is used for being fixedly connected with the cross beam 4, and the second anchor ear 52 is used for being connected with the wind speed sensor.

The supporting rod 1 is provided with a slideway, and the second connecting piece 5b is in sliding fit with the slideway. The second connecting piece 5b slides along the slideway, and meanwhile, the first hoop 51 slides along the cross beam 4, so that the overall sliding of the supporting component 5 can be realized, and further, the transverse position of the supporting component 5 can be adjusted, wherein the transverse direction is the direction vertical to the wind direction.

In the above embodiment, the second connecting piece 5b is in sliding fit with the slideway, and the tail end of the second connecting piece 5b is clamped in the slideway to prevent the second connecting piece from falling off.

In the above embodiment, one or more wind speed sensor probe handles may be fixed to the cross beam 4 by the second connecting member 5b, and the wind speed sensor probe is stretched to a desired test position and passes through the support hole of the second connecting member 5b, so that the wind speed sensor probe is perpendicular to the incoming wind direction, and the data is read after the data is stable, thereby realizing stable and accurate measurement.

In order to be connected with the wind tube to be tested, connecting pieces 2 are fixed at two ends of the supporting rod 1. The connecting piece 2 and the wall of the air duct to be measured can be connected by bolts, and the connection is not limited herein.

Of course, the two ends of the supporting rod 1 may also be clamped or bonded with the wall of the wind tube to be tested, and the method is not limited herein.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Claims

1. An anemometry support, comprising:

the support rod (1), both ends of the support rod (1) are provided with connecting holes;

the connecting rod (3) is fixed at two ends of the cross beam (4), and the connecting rod (3) can extend into the connecting hole;

the supporting component (5), the supporting component (5) set up in on branch (1) and/or crossbeam (4), just supporting component (5) are used for supporting the wind speed sensor.

2. Wind speed measuring bracket according to claim 1, characterized in that said connecting rods (3) are arranged perpendicular to said cross-beam (4), and the distance between said struts (1) and said cross-beam (4) is adjusted by adjusting the distance by which said connecting rods (3) extend into said connection holes.

3. Wind speed measuring bracket according to claim 1, characterized in that said connecting rod (3) is fixed relative to said strut (1) after it has been inserted into said connection hole.

4. A wind speed measuring bracket according to claim 3, characterised in that said connecting rod (3) is provided with a plurality of resilient protrusions at intervals along its length.

5. Wind speed measuring bracket according to claim 1, characterized in that the length of both the strut (1) and the crossbeam (4) is adjustable.

6. Wind speed measuring bracket according to claim 5, characterized in that said cross-beam (4) and said support bar (1) are telescopic rods.

7. Wind speed measuring bracket according to claim 1, characterized in that said support assembly (5) comprises a first connection (5a) arranged on said strut (1) and a second connection (5b) arranged on said cross-beam (4).

8. Wind speed measuring bracket according to claim 7, characterised in that said second connector (5b) comprises a first anchor ear (51) and a second anchor ear (52) fixedly connected;

the axis of the first hoop (51) and the axis of the second hoop (52) are perpendicular to each other.

9. Wind speed measuring bracket according to claim 7, characterised in that said strut (1) is provided with a slideway, said second connector (5b) being in sliding fit with said slideway.

10. Wind speed measuring bracket according to claim 1, characterized in that connecting pieces (2) are also fixed to both ends of said strut (1).