CN216896643U

CN216896643U - Power mechanism of small wind tunnel

Info

Publication number: CN216896643U
Application number: CN202220163227.8U
Authority: CN
Inventors: 王铁铃
Original assignee: Wuhan Hongruitong Electronic Technology Co ltd
Current assignee: Wuhan Hongruitong Electronic Technology Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-07-05
Anticipated expiration: 2032-01-21

Abstract

The utility model discloses a power mechanism of a small wind tunnel, which comprises a base, wherein the upper surface of the base is fixedly connected with a guide rail, the outer surface of the guide rail is provided with a sliding block, the upper surface of the sliding block is fixedly connected with a square tube, the inner wall of the square tube is slidably connected with a square column, the top end of the square column is fixedly connected with a fixing frame, the side surface of the fixing frame is in bolted connection with a negative pressure fan, the outer surface of the fixing frame is provided with a fixing mechanism, the side surface of the fixing frame is provided with a step groove, the inner wall of the step groove is provided with a movable frame, and the inner wall of the movable frame is provided with a filter screen. This power unit of small-size wind-tunnel through setting up fixed establishment, is convenient for rotate Contraband type piece to the knob rotates, makes the threaded rod extrusion compact heap, and links together fixed frame and wind channel, and the antiport knob utilizes guide rail and rail wheel, then can make power unit and wind channel separation fast, thereby convenient maintenance more.

Description

Power mechanism of small wind tunnel

Technical Field

The utility model relates to the technical field of wind tunnel power, in particular to a power mechanism of a small wind tunnel.

Background

Wind tunnels are the most widely used tools in aerodynamic research and experiments, and wind tunnel experimental data can be used for verifying the effectiveness of numerical models and finding the best mode parameters.

Negative-pressure air fan is the power unit of wind-tunnel, and in the in-process of wind-tunnel work, in order to prevent that the piece from getting into negative-pressure air fan inside, generally all can set up the filter screen at negative-pressure air fan's air intake, when maintaining, need dismantle negative-pressure air fan to the handling, there is the inconvenient condition of maintenance.

Therefore, a power mechanism of a small wind tunnel is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a power mechanism of a small wind tunnel, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a power unit of small-size wind-tunnel, includes the base, the last fixed surface of base is connected with the guide rail, the surface of guide rail is provided with the sliding block, the last fixed surface of sliding block is connected with side pipe, the inner wall sliding connection of side pipe has the square column, the fixed frame of top fixedly connected with of square column, the side bolted connection of fixed frame has negative-pressure air fan, the surface of fixed frame is provided with fixed establishment, the step groove has been seted up to the side of fixed frame, and the inner wall in step groove is provided with the removal frame, the inner wall of removing the frame is provided with the filter screen.

Preferably, the number of the guide rails is two, and the two guide rails are symmetrically arranged on the upper surface of the base by taking a center line of the side surface of the base as a symmetry axis.

Preferably, the lower surface of sliding block is seted up with the sliding tray of guide rail adaptation, the interior roof fixedly connected with rail wheel of sliding tray, the surface of rail wheel and the upper surface overlap joint of guide rail.

Preferably, the inner bottom wall of the square tube is rotatably connected with a screw rod through a bearing, the bottom end of the square column is provided with a threaded hole matched with the screw rod, the front side of the square tube is provided with a through hole, the inner wall of the through hole is rotatably connected with a rotating shaft through a bearing, the rear end of the rotating shaft and the outer surface of the screw rod are fixedly connected with bevel gears, and the two bevel gears are meshed and connected.

Preferably, fixed establishment includes four fixing bases of circumference equidistance fixed connection at fixed frame surface, the inner wall of fixing base rotates through the pivot and is connected with Contraband type piece, the screw thread through-hole has been seted up to the side of Contraband type piece, and the inner wall threaded connection of screw thread through-hole has the threaded rod, the one end of threaded rod is rotated through the bearing and is connected with the compact heap, the other end fixedly connected with knob of threaded rod.

Preferably, the side fixedly connected with compression spring of removal frame, compression spring's the other end and the inside wall fixed connection in step groove, the equal fixedly connected with universal wheel in lower surface four corners department of base.

Advantageous effects

The utility model provides a power mechanism of a small wind tunnel, which has the following beneficial effects:

1. this power unit of small-size wind-tunnel through setting up fixed establishment, is convenient for rotate Contraband type piece to the knob rotates, makes the threaded rod extrusion compact heap, and links together fixed frame and wind channel, and the antiport knob utilizes guide rail and rail wheel, then can make power unit and wind channel separation fast, thereby convenient maintenance more.

2. This power unit of small-size wind-tunnel through setting up compression spring, when being convenient for fixed frame and wind channel separation, under compression spring's effect, makes the removal frame expose, conveniently clears up the piece, through setting up axis of rotation, bevel gear, square column and side pipe, and the rotatory axis of rotation of being convenient for makes the lead screw drive square column go up and down to adjust the height of fixed frame, thereby can adjust according to the height of installation, and is more practical.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic front sectional view of the present invention;

FIG. 3 is a schematic side sectional view of the present invention.

In the figure: the device comprises a base 1, a guide rail 2, a sliding block 3, a square tube 4, a square column 5, a fixed frame 6, a negative pressure fan 7, a movable frame 8, a filter screen 9, a track wheel 10, a screw rod 11, a rotating shaft 12, a bevel gear 13, a fixed seat 14, a block 15 Contraband type, a threaded rod 16, a pressing block 17, a knob 18, a compression spring 19 and a universal wheel 20.

Detailed Description

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.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a power unit of small-size wind-tunnel, includes base 1, the equal fixedly connected with universal wheel 20 in base 1's lower surface four corners department, through setting up universal wheel 20, this power unit's of being convenient for removal to do not need hoist and mount transportation.

Base 1's last fixed surface is connected with guide rail 2, the quantity of guide rail 2 is two, and two guide rail 2 use the central line of base 1 side to set up the upper surface at base 1 as symmetry axis symmetry, guide rail 2's surface is provided with sliding block 3, the sliding tray with the 2 adaptations of guide rail is seted up to sliding block 3's lower surface, the interior roof fixedly connected with rail wheel 10 of sliding tray, the setting of rail wheel 10 is convenient for reduce the resistance that sliding block 3 removed, the surface of rail wheel 10 and the upper surface overlap joint of guide rail 2.

The last fixed surface of sliding block 3 is connected with square pipe 4, the inner wall sliding connection of square pipe 4 has square column 5, the interior diapire of square pipe 4 is rotated through the bearing and is connected with lead screw 11, the screw hole with 11 adaptations of lead screw is seted up to the bottom of square column 5, the through-hole has been seted up in the front of square pipe 4, and the inner wall of through-hole rotates through the bearing and is connected with axis of rotation 12, the equal fixedly connected with bevel gear 13 of rear end of axis of rotation 12 and the surface of lead screw 11, and two bevel gear 13 meshing are connected.

The top end of the square column 5 is fixedly connected with a fixed frame 6, the rotating shaft 12 is convenient to rotate by arranging a rotating shaft 12, a bevel gear 13, the square column 5 and the square tube 4, so that the lead screw 11 drives the square column 5 to lift and adjust the height of the fixed frame 6, thereby being capable of adjusting according to the installation height and being more practical, the side face of the fixed frame 6 is bolted with a negative pressure fan 7, the outer surface of the fixed frame 6 is provided with a fixing mechanism, the fixing mechanism comprises four fixed seats 14 fixedly connected with the outer surface of the fixed frame 6 in a circumferential equidistance way, the inner wall of the fixed seats 14 is rotatably connected with an Contraband type block 15 through a rotating shaft, the side face of the Contraband type block 15 is provided with a threaded through hole, the inner wall of the threaded through hole is in threaded connection with a threaded rod 16, one end of the threaded rod 16 is rotatably connected with a pressing block 17 through a bearing, the other end of the threaded rod 16 is fixedly connected with a knob 18, the side face of the fixed frame 6 is provided with a step groove, and the inner wall of step groove is provided with removes frame 8, the inner wall of removing frame 8 is provided with filter screen 9, the side fixedly connected with compression spring 19 of removing frame 8, the other end of compression spring 19 and the inside wall fixed connection of step groove, through setting up fixed establishment, be convenient for rotate Contraband type 15, and rotate knob 18, make threaded rod 16 extrude compact heap 17, and link together fixed frame 6 and wind channel, and reverse rotation knob 18, utilize guide rail 2 and rail wheel 10, then can make power mechanism and wind channel separation fast, thereby more convenient maintenance, through setting up compression spring 19, when being convenient for fixed frame 6 and wind channel separation, under compression spring 19's effect, make and remove frame 8 and expose, conveniently clear up the piece.

The working principle is as follows: when the power mechanism of the small wind tunnel is used, the universal wheel 20 is utilized to move the power mechanism, the sliding block 3 is moved, the rotating shaft 12 is rotated according to the height of the wind pipe, the lead screw 11 drives the square column 5 to lift and lower, the height of the fixed frame 6 is adjusted, the fixed frame 6 is contacted with the wind pipe, the Contraband type block 15 is rotated, the knob 18 is rotated again, the threaded rod 16 drives the pressing block 17 to connect the wind pipe and the fixed frame 6 together, the wind pipe extrudes the movable frame 8, the knob 18 is rotated reversely during maintenance, the Contraband type block 15 is rotated again, the sliding block 3 is moved again, the wind pipe and the fixed frame 6 are quickly separated under the action of the track wheel 10, the movable frame 8 is exposed under the action of the compression spring 19, the scraps in the filter screen 9 are cleaned, and the power mechanism of the small wind tunnel can be quickly separated from the wind tunnel by using the power mechanism of the small wind tunnel, thereby facilitating maintenance.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a power unit of small-size wind-tunnel, includes base (1), its characterized in that: the last fixed surface of base (1) is connected with guide rail (2), the surface of guide rail (2) is provided with sliding block (3), the last fixed surface of sliding block (3) is connected with square pipe (4), the inner wall sliding connection who manages square pipe (4) has square column (5), the fixed frame of top fixedly connected with (6) of square column (5), the side bolted connection of fixed frame (6) has negative-pressure air fan (7), the surface of fixed frame (6) is provided with fixed establishment, the step groove has been seted up to the side of fixed frame (6), and the inner wall in step groove is provided with removes frame (8), the inner wall that removes frame (8) is provided with filter screen (9).

2. The power mechanism of a small wind tunnel according to claim 1, wherein: the number of the guide rails (2) is two, and the two guide rails (2) are symmetrically arranged on the upper surface of the base (1) by taking the center line of the side surface of the base (1) as a symmetry axis.

3. The power mechanism of a small wind tunnel according to claim 1, wherein: the lower surface of sliding block (3) is seted up with the sliding tray of guide rail (2) adaptation, the interior roof fixedly connected with rail wheel (10) of sliding tray, the surface of rail wheel (10) and the upper surface overlap joint of guide rail (2).

4. The power mechanism of a small wind tunnel according to claim 1, wherein: the utility model discloses a square tube, including square tube (4), square column (5), screw hole, through-hole, the inner diapire of square tube (4) is connected with lead screw (11) through the bearing rotation, the screw hole with lead screw (11) adaptation is seted up to the bottom of square tube (5), the through-hole has been seted up in the front of square tube (4), and the inner wall of through-hole is connected with axis of rotation (12) through the bearing rotation, the equal fixedly connected with bevel gear (13) of surface of the rear end of axis of rotation (12) and lead screw (11), and two bevel gear (13) meshing connection.

5. The power mechanism of a small wind tunnel according to claim 1, wherein: fixed establishment includes four fixing bases (14) of circumference equidistance fixed connection at fixed frame (6) surface, the inner wall of fixing base (14) rotates through the pivot and is connected with Contraband type piece (15), the screw thread through-hole has been seted up to the side of Contraband type piece (15), and the inner wall threaded connection of screw thread through-hole has threaded rod (16), the one end of threaded rod (16) rotates through the bearing and is connected with compact heap (17), the other end fixedly connected with knob (18) of threaded rod (16).

6. The power mechanism of a small wind tunnel according to claim 1, wherein: the side fixedly connected with compression spring (19) of removal frame (8), the other end and the inside wall fixed connection in step groove of compression spring (19), the equal fixedly connected with universal wheel (20) of lower surface four corners department of base (1).