CN211904597U

CN211904597U - Wind load test device of wind field to building

Info

Publication number: CN211904597U
Application number: CN202020630148.4U
Authority: CN
Inventors: 王晓庆
Original assignee: Northwest Minzu University
Current assignee: Northwest Minzu University
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2020-11-10
Anticipated expiration: 2030-04-24

Abstract

The utility model discloses a wind field is to wind load test device of building, including placing the board, the fixed case of placing that is provided with in upper end avris department of placing the board, it is provided with the vertical scalable bracing piece of placing to place incasement end, the bottom of scalable bracing piece is rotated and is connected on placing the board, the roof and the fixed quick-witted case that is provided with of placing the case are run through on the top of scalable bracing piece, scalable bracing piece is located the fixed driven gear that has cup jointed of pole body outer end of placing the incasement, the side of scalable bracing piece is provided with the motor, the motor is fixed to be set up on placing the board, the fixed transfer line that is provided with of output of motor, the top of transfer line is rotated and is connected terminal. The utility model discloses a wind field is to wind load test device of building, and the device can adjust air-out direction and intensity, carries out the multiunit experiment, makes the test data more accurate.

Description

Wind load test device of wind field to building

Technical Field

The utility model relates to a test device field especially relates to wind field is to wind load test device of building.

Background

Wind load, also known as the dynamic pressure of wind, is the pressure generated by the air flow against the engineered structure. Wind load is related to basic wind pressure, terrain, ground roughness, ground height, building size and other factors, and is also one aspect to be considered when building houses.

At present, when experimental wind load, generally use the fan to produce the wind field, then act on the building model to reach experimental purpose, but current wind field is whole fixed setting to the wind load test device of building, and the direction of wind current is fixed, and the distance between fan and the building model is also fixed, and such device can't record the influence of wind field to the building under different environment and different angles.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a wind field to a wind load test device of a building.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a wind load test device of a wind field for a building comprises a placing plate, wherein a placing box is fixedly arranged at one side of the upper end of the placing plate, a vertically placed telescopic supporting rod is arranged at the inner end of the placing box, the bottom end of the telescopic supporting rod is rotatably connected to the placing plate, the top end of the telescopic supporting rod penetrates through a top plate of the placing box and is fixedly provided with a case, a driven gear is fixedly sleeved at the outer end of a rod body of the telescopic supporting rod, the rod body is positioned in the placing box, a motor is arranged at the side edge of the telescopic supporting rod, the motor is fixedly arranged on the placing plate, a transmission rod is fixedly arranged at the output end of the motor, the top end of the transmission rod is rotatably connected to the lower end surface of the top plate of the placing box, the driven gear and a driving gear are, the inner of machine case is fixed and is provided with centrifugal fan, place the fixed slide rail that is provided with in one side of keeping away from on the board and placing the case, the upper end of slide rail slides and is provided with the supporting seat, the fixed platform of placing in upper end of supporting seat that is provided with, the slide rail is kept away from the one end of placing the case and is provided with the cylinder, the cylinder is fixed to be set up and is placing the board up end, the fixed piston rod that is provided with of output of cylinder, the other end fixed connection of piston rod is on.

As a further description of the above technical solution:

and the air inlet and the air outlet are respectively and fixedly connected with the input end and the output end of the centrifugal fan.

As a further description of the above technical solution:

and the two ends of the sliding rail are fixedly provided with check blocks.

As a further description of the above technical solution:

a plurality of limiting blocks are fixedly arranged on the upper end face of the placing table.

As a further description of the above technical solution:

and a control valve is fixedly arranged on the rod body of the telescopic supporting rod.

As a further description of the above technical solution:

the supporting seat is cylindrical, and the placing table is disc-shaped.

The utility model discloses following beneficial effect has:

the utility model provides a wind field is to wind load test device of building compares in current device, and the position of platform on placing the board can be changed to building model among the device, and the fan machine case can adjust the position from top to bottom simultaneously, also can rotate the adjustment air outlet direction, and this design makes the device can carry out the experiment of multi-angle, different intensity for test data is more accurate.

Drawings

Fig. 1 is a front view of a wind load testing device of a wind field to a building provided by the utility model;

fig. 2 is a schematic diagram of a basic structure of a wind load testing device of a wind field to a building provided by the utility model;

fig. 3 is a schematic view of the structure of the chassis of the wind field to the wind load testing device of the building.

Illustration of the drawings:

1. placing the plate; 2. placing a box; 3. a telescopic support rod; 4. a control valve; 5. a driven gear; 6. a motor; 7. a transmission rod; 8. a driving gear; 9. a chassis; 10. an air inlet; 11. an air outlet; 12. a centrifugal fan; 13. a slide rail; 14. a stopper; 15. a supporting seat; 16. a placing table; 17. a cylinder; 18. a piston rod; 19. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a wind load test device of a wind field for a building comprises a placing plate 1, a placing box 2 is fixedly arranged at one side of the upper end of the placing plate 1, a vertically placed telescopic supporting rod 3 is arranged at the inner end of the placing box 2, the bottom end of the telescopic supporting rod 3 is rotatably connected to the placing plate 1, the top end of the telescopic supporting rod 3 penetrates through a top plate of the placing box 2 and is fixedly provided with a case 9, the upper position and the lower position of the case 9 are controlled through the telescopic supporting rod 3, a driven gear 5 is fixedly connected to the outer end of a rod body of the telescopic supporting rod 3, which is positioned in the placing box 2, a motor 6 is arranged at the side edge of the telescopic supporting rod 3, the motor 6 is fixedly arranged on the placing plate 1, the output end of the motor 6 is fixedly provided with a transmission rod 7, the top end of the transmission rod 7 is rotatably connected to the lower end surface of the, the driving gear 8 rotates to drive the driven gear 5 to rotate, the case 9 and the telescopic supporting rod 3 rotate along with the driven gear 5, the angle of an air outlet 11 of the case 9 can be adjusted through the design, an air inlet 10 is formed in the top wall of the case 9, an air outlet 11 is formed in the case 9 close to the inner side wall, a centrifugal fan 12 is fixedly arranged at the inner end of the case 9, a sliding rail 13 is fixedly arranged on one side, away from the placing case 2, of the placing plate 1, a supporting seat 15 is arranged at the upper end of the sliding rail 13 in a sliding mode, a placing table 16 is fixedly arranged at the upper end of the supporting seat 15 and used for placing a building model, an air cylinder 17 is arranged at one end, away from the placing case 2, of the sliding rail 13, the air cylinder 17 is fixedly arranged on the upper end face of the.

Air inlet 10 and gas outlet 11 respectively with centrifugal fan 12's incoming end, output fixed connection, slide rail 13's both ends are all fixed and are provided with dog 14, two dog 14 can prevent derail when supporting seat 15 slides, the fixed a plurality of stoppers 19 that are provided with on placing platform 16's the up end, a plurality of stoppers 19 can carry out spacing fixed to the position of building model, the pole of scalable bracing piece 3 is fixed to be provided with control valve 4 on the body, can be used for controlling the flexible of scalable bracing piece 3, supporting seat 15 sets to cylindric, place platform 16 sets to discoid.

The working principle is as follows: when the building model is in work, the building model is fixed on the placing table 16, then the centrifugal fan 12 is started, the centrifugal fan 12 sucks air from the air inlet 10 and exhausts air from the air outlet 11, and the telescopic support rod 3 can be controlled to move up and down through the control valve 4; when the test angle needs to be adjusted, the motor 6 is started, the driving gear 8 is driven to rotate by the driving rod 7 when the motor 6 works, the driving gear 8 rotates to drive the driven gear 5 to rotate, the case 9 and the telescopic supporting rod 3 rotate along with the driven gear 5, and the angle of the air outlet 11 is changed; when the strength of the wind field needs to be changed, the air cylinder 17 is started, and the air cylinder 17 drives the supporting seat 15 to slide on the sliding rail 13 through the piston rod 18.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. Wind field is to wind load test device of building, including placing board (1), its characterized in that: the upper end one side of the placing plate (1) is fixedly provided with a placing box (2), the inner end of the placing box (2) is provided with a vertically placed telescopic supporting rod (3), the bottom end of the telescopic supporting rod (3) is rotatably connected to the placing plate (1), the top end of the telescopic supporting rod (3) penetrates through a top plate of the placing box (2) and is fixedly provided with a case (9), the outer end of a rod body of the telescopic supporting rod (3) in the placing box (2) is fixedly sleeved with a driven gear (5), the side edge of the telescopic supporting rod (3) is provided with a motor (6), the motor (6) is fixedly arranged on the placing plate (1), the output end of the motor (6) is fixedly provided with a transmission rod (7), the top end of the transmission rod (7) is rotatably connected to the lower end surface of the top plate of the placing box (2), the driven gear (5) and a driving gear, the improved air conditioner is characterized in that an air inlet (10) is formed in the top wall of the case (9), an air outlet (11) is formed in the case (9) close to the inner side wall, a centrifugal fan (12) is fixedly arranged at the inner end of the case (9), a sliding rail (13) is fixedly arranged on one side, far away from the case (2), of the placing plate (1), a supporting seat (15) is arranged at the upper end of the sliding rail (13) in a sliding mode, a placing table (16) is fixedly arranged at the upper end of the supporting seat (15), an air cylinder (17) is arranged at one end, far away from the case (2), of the sliding rail (13), the air cylinder (17) is fixedly arranged on the upper end face of the placing plate (1), a piston rod (18) is fixedly arranged at the output end of the air cylinder.

2. The wind field to building wind load test device of claim 1, characterized in that: the air inlet (10) and the air outlet (11) are respectively and fixedly connected with the input end and the output end of the centrifugal fan (12).

3. The wind field to building wind load test device of claim 1, characterized in that: and two ends of the sliding rail (13) are fixedly provided with stop blocks (14).

4. The wind field to building wind load test device of claim 1, characterized in that: the upper end face of the placing table (16) is fixedly provided with a plurality of limiting blocks (19).

5. The wind field to building wind load test device of claim 1, characterized in that: and a control valve (4) is fixedly arranged on the rod body of the telescopic supporting rod (3).

6. The wind field to building wind load test device of claim 1, characterized in that: the supporting seat (15) is arranged to be cylindrical, and the placing table (16) is arranged to be disc-shaped.