CN218956052U

CN218956052U - Wind tunnel test bench of double-torque system

Info

Publication number: CN218956052U
Application number: CN202223154708.1U
Authority: CN
Inventors: 刘年芬; 宋银胜; 郭火平; 王周; 刘晓东
Original assignee: WENZHOU YILONG AUTO PARTS CO LTD
Current assignee: WENZHOU YILONG AUTO PARTS CO LTD
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-05-02
Anticipated expiration: 2032-11-25

Abstract

The utility model discloses a wind tunnel test bench of a double torque system, which comprises a bracket, a large main shaft assembly and a small main shaft assembly, wherein the bracket is provided with a double cross sliding table, the large main shaft assembly and the small main shaft assembly slide on the double cross sliding table, the large main shaft assembly is used for installing a large fan, and the small main shaft assembly is used for installing a small fan; according to the utility model, different torques can be selected according to actual demands, the test is more accurate, and the test efficiency is improved.

Description

Wind tunnel test bench of double-torque system

Technical Field

The utility model relates to a wind tunnel test bench with a double-torque system.

Background

The traditional wind tunnel test bench is an air pipe type test bench, and a single common variable frequency motor matched with a torque meter (the motor and the torque meter are configured according to the maximum power and the maximum torque) drives a fan to rotate. However, in the structure, when a small fan is tested, the torque instrument is large, the measurement error is large, and the power consumption and the fan efficiency of the fan are inaccurate as a test result.

Disclosure of Invention

The utility model mainly solves the technical problem of providing a wind tunnel test board with a double-torque system.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the wind tunnel test bench comprises a bracket, a large main shaft assembly and a small main shaft assembly, wherein the bracket is provided with a double cross sliding table, the large main shaft assembly and the small main shaft assembly slide on the double cross sliding table, the large main shaft assembly is used for installing a large fan, and the small main shaft assembly is used for installing a small fan.

The arrangement of the two main shaft assemblies is adopted, so that the effect of double torque is formed, when a conventional fan needs to be tested, the test effect can be realized through the large main shaft assembly, and when a small fan needs to be tested, the test effect can be realized through the small main shaft assembly. In the switching process of the large main shaft assembly and the small main shaft assembly, the sliding effect can be achieved through the double cross sliding tables, and therefore the switching between the small fan and the large fan is achieved.

The large main shaft assembly comprises a large motor, a large coupler, a large torque meter and a first component, wherein the large motor is connected with the large fan through the large coupler, the large torque meter and the first component; the small spindle assembly comprises a small motor, a small coupler, a small torque instrument and a second component, and the small motor is connected with the small fan through the small coupler, the small torque instrument and the second component.

The setting of shaft coupling, torque meter and first part is adopted for the motor is more stable in the conduction process, and parameter such as real-time supervision moment of torsion moreover, thereby satisfies accurate experimental result.

The double cross sliding tables comprise transverse guide rails and longitudinal guide rails, and the large main shaft assembly and the small main shaft assembly slide on the transverse guide rails and the longitudinal guide rails.

Adopt the setting of two cross slip tables, can satisfy the demand under the different circumstances through horizontal and the longitudinal position of level, through the motion moreover for the fan is installed more conveniently before detecting.

The large main shaft assembly is positioned on the first fixing plate and the small main shaft assembly is positioned on the second fixing plate and both the first fixing plate and the second fixing plate slide on the longitudinal guide rail.

The two mutually independent fixing plates are adopted, so that the effect of component control is formed, and the control is more convenient before the detection of the whole body.

The device also comprises a large supporting frame and a small supporting frame, wherein one end of the large supporting frame is connected with the first fixing plate, and the other end of the large supporting frame is connected with the first component; one end of the small supporting frame is connected with the second fixing plate, and the other end of the small supporting frame is connected with the second component.

The setting of support frame is adopted, because the length of whole assembly increases, so improve the stability that is close to fan one end through the support frame to guarantee in the testing process, be difficult for taking place to rock.

The first fixing plate and the second fixing plate are connected and fixed with the third fixing plate, and the third fixing plate slides on the transverse guide rail.

And the third fixing plate is arranged to realize the effect of integral sliding control. Here, the vertical spatial relationship of the transverse rail and the longitudinal rail may be interchanged.

Wherein, the rail guard is arranged on the periphery of the bracket.

Adopt the setting of rail guard, prevent that operating personnel or inspection personnel from taking place to drop in the observation process, play a protection effect.

Drawings

FIG. 1 is a schematic structural view of embodiment 1 of the present utility model;

FIG. 2 is a schematic view showing a partial structure of embodiment 1 of the present utility model;

fig. 3 is a top view of fig. 2.

Detailed Description

Example 1:

referring to fig. 1-3, a wind tunnel test bench of a dual torque system comprises a bracket 1, a large spindle assembly 2 and a small spindle assembly 3.

The whole bracket 1 is of a structure similar to a high platform, and is provided with stairs through which the stair can enter the top surface of the bracket 1. The large spindle assembly 2 and the small spindle assembly 3 are both positioned on the top surface of the bracket 1. A protective fence 11 is arranged around the bracket 1. The arrangement of the protective guard 11 is adopted to prevent operators or detection personnel from falling off in the observation process, so that a protection effect is achieved. The bracket 1 in this embodiment is specifically located on one side of the air duct 10, which is the prior art here, and the positional relationship between the large spindle assembly 2, the small spindle assembly 3 and the air duct 10 can be regulated and controlled by the double cross sliding table 4.

The top surface of the bracket 1 is provided with a double cross sliding table 4. The double cross sliding table 4 comprises a transverse guide rail 41 and a longitudinal guide rail 42, in this embodiment, the transverse guide rail 41 is located below the longitudinal guide rail 42, and a person skilled in the art can adjust the up-down relationship between the transverse line guide rail and the longitudinal guide rail 42 according to actual requirements, so as to meet requirements of different situations. Adopt the setting of two cross slip tables 4, can satisfy the demand under the different circumstances through horizontal and the longitudinal position of level, through the motion moreover for the fan is installed more conveniently before detecting. In this embodiment, the number of the transverse guide rails 41 and the longitudinal guide rails 42 can be adjusted according to actual requirements.

The third fixing plate 5 slides on the transverse rail 41, i.e. the third fixing plate 5 slides with respect to the transverse rail 41. The longitudinal rail 42 is fixed above the third fixing plate 5, that is, the third fixing plate 5 drives the longitudinal rail 42 to move.

The first fixing plate 6 and the second fixing plate 7 are mutually independent. And the two fixing plates are positioned on the same horizontal plane, and the first fixing plate 6 and the second fixing plate 7 slide on the corresponding longitudinal guide rail 42 respectively. The first fixing plate 6 may correspond to one or more longitudinal rails 42, and in this embodiment only two longitudinal rails 42 are described as an example, and the second fixing plate 7 also corresponds to two longitudinal rails 42.

The large main shaft assembly 2 is fixed on the first fixing plate 6, so that the effect that the large main shaft assembly 2 slides relative to the double cross sliding table 4 is achieved. The small main shaft assembly 3 is fixed on the second fixing plate 7, so that the effect that the small main shaft assembly 3 slides relative to the double-cross sliding table 4 is achieved. The two mutually independent fixing plates are adopted, so that the effect of component control is formed, and the control is more convenient before the detection of the whole body.

The large spindle assembly 2 includes a large motor 21, a large coupling 22, a large torque meter 23, and a first component 24, where the large motor 21 is connected to the large fan 25 through the large coupling 22, the large torque meter 23, and the first component 24, where it is required to install the large fan 25 and the first component 24 when the large fan 25 needs to be detected, and the second component 34 is in an empty state, and to install the small fan and the second component 34 when the small fan needs to be detected, and the first component 24 is in an empty state. Further, here, in order to enhance the stability of the first member 24, one end of the large supporting frame 81 is connected to the first fixing plate 6, and the other end of the large supporting frame 81 is connected to the first member 24, thereby securing the stability of the large fan 25.

The small spindle assembly 3 includes a small motor 31, a small coupler 32, a small torque meter 33, and a second member 34, and the small motor 31 is connected to a small fan 35 through the small coupler 32, the small torque meter 33, and the second member 34. Further, here, in order to enhance the stability of the second member 34, one end of the small supporting frame 82 is connected to the second fixing plate 7, and the other end of the small supporting frame 82 is connected to the second member 34, thereby securing the stability of the small fan 35. The setting of shaft coupling, torque meter and first part 24 is adopted for the motor is more stable in the conduction process, and parameter such as real-time supervision moment of torsion moreover, thereby satisfies accurate experimental result.

The arrangement of the two main shaft assemblies is adopted, so that the effect of double torque is formed, when a conventional fan needs to be tested, the test effect can be realized through the large main shaft assembly 2, and when a small fan 35 needs to be tested, the test effect can be realized through the small main shaft assembly 3. In the switching process of the large main shaft assembly 2 and the small main shaft assembly 3, the sliding effect can be realized through the double cross sliding tables 4, so that the switching between the small fan 35 and the large fan 25 is realized.

Claims

1. The utility model provides a wind tunnel testboard of two moment of torsion systems which characterized in that: the large main shaft assembly is used for installing a large fan, and the small main shaft assembly is used for installing a small fan.

2. The dual torque system wind tunnel test stand of claim 1, wherein: the large main shaft assembly comprises a large motor, a large coupler, a large torque meter and a first component, wherein the large motor is connected with the large fan through the large coupler, the large torque meter and the first component; the small spindle assembly comprises a small motor, a small coupler, a small torque instrument and a second component, and the small motor is connected with the small fan through the small coupler, the small torque instrument and the second component.

3. A dual torque system wind tunnel test stand as defined in claim 2, wherein: the double cross sliding table comprises a transverse guide rail and a longitudinal guide rail, and the large main shaft assembly and the small main shaft assembly slide on the transverse guide rail and the longitudinal guide rail.

4. A dual torque system wind tunnel test bench according to claim 3, wherein: the large spindle assembly is positioned on the first fixing plate and the small spindle assembly is positioned on the second fixing plate and both the first fixing plate and the second fixing plate slide on the longitudinal guide rail.

5. The dual torque system wind tunnel test stand of claim 4, wherein: the device also comprises a large supporting frame and a small supporting frame, wherein one end of the large supporting frame is connected with the first fixing plate, and the other end of the large supporting frame is connected with the first component; one end of the small supporting frame is connected with the second fixing plate, and the other end of the small supporting frame is connected with the second component.

6. A dual torque system wind tunnel test bench according to claim 3, wherein: the first fixing plate and the second fixing plate are connected and fixed with the third fixing plate, and the third fixing plate slides on the transverse guide rail.

7. The dual torque system wind tunnel test stand of claim 1, wherein: and a protective fence is arranged on the periphery of the bracket.