Centrifugal fan transfer device

Abstract

The utility model discloses a centrifugal fan transfer device which comprises a bearing plate, a plurality of sets of limiting units are arranged on the bearing plate, each limiting unit comprises a limiting frame fixedly connected to the bearing plate, a protruding column and a column body are arranged on the bearing plate and located on the two sides of the limiting frame respectively, a screw hole is formed in the protruding column, and an insertion hole is formed in the middle of the column body. A movable column is inserted into the inserting hole, a door-shaped frame is fixedly connected to the upper end of the movable column, a barrel coaxial with the protruding column is fixedly connected to the end, away from the movable column, of the door-shaped frame, a screw capable of being in threaded connection with the screw hole is inserted into the barrel, and a limiting groove pressed on the top side of the centrifugal fan is formed in the bottom side of the door-shaped frame. The centrifugal fan transfer device is used for placing the centrifugal fans, the positions of the multiple centrifugal fans can be limited at the same time, and stability is high.

Description

Technical Field

[0001] The utility model relates to a centrifugal fan, in particular to a centrifugal fan transfer device. Background Art

[0002] With the development of industrial automation and intelligence, centrifugal fans, as key equipment in industrial ventilation and air-conditioning systems, are receiving more and more attention for their efficiency and safety in installation, maintenance and transportation.

[0003] When a centrifugal fan is transported, a corresponding transport device is required to limit its position, so as to prevent the centrifugal fan from tipping over during transportation. In particular, small centrifugal fans are more likely to tip over during transportation due to their light weight.

[0004] Chinese patent CN202022785245.3 discloses a transfer device for installing a centrifugal fan, including a centrifugal fan, a bracket is provided on the bottom surface of the centrifugal fan, a support plate is provided below the centrifugal fan, the support plate is inserted into the enclosure frame, a pad is provided on the bottom surface of the enclosure frame, and a pulley is provided on the bottom surface of the pad.

[0005] The transfer device for installing the centrifugal fan only limits the position of the lower end of the centrifugal fan. When the centrifugal fan is transferred, a certain overturning force will be generated at the upper end. This overturning force has no relevant structure to limit it, which can easily cause the centrifugal fan to tip over during transfer.

[0006] Therefore, it is particularly important to provide a centrifugal fan transport device that can limit the position of the centrifugal fan during transport. Utility Model Content

[0007] The utility model aims to provide a centrifugal fan transport device, which is used for placing centrifugal fans and can limit the positions of multiple centrifugal fans at the same time, and has high stability.

[0008] In order to achieve the above-mentioned purpose, the utility model provides a centrifugal fan transfer device, including a carrying plate, on which a plurality of limit units are arranged, the limit units include a limit frame fixedly connected to the carrying plate, and the carrying plate is respectively provided with a boss and a column on both sides of the limit frame, the boss is provided with a screw hole, and a socket is provided in the middle of the column, a movable column is inserted into the socket, the upper end of the movable column is fixedly connected to a door frame, the end of the door frame away from the movable column is fixedly connected to a cylinder coaxial with the boss, a screw that can be screwed to the screw hole is inserted into the cylinder, and the bottom side of the door frame is provided with a limit groove pressed against the top side of the centrifugal fan.

[0009] Preferably, an outer step surface is arranged on the outer side of the upper end of the protruding column, and an inner step surface which cooperates with the outer step surface to limit the position is arranged on the inner side of the cylinder.

[0010] Preferably, a vertically extending through hole is provided on the portal frame, an anti-idiot groove is provided at the bottom of the through hole, a screw is inserted into the through hole, a limiting block is fixedly connected to the bottom of the screw, the limiting groove is provided on the bottom side of the limiting block, an anti-idiot block cooperating with the anti-idiot groove is provided on the top surface of the limiting block, and a nut is provided on the upper end of the screw.

[0011] Preferably, support columns are provided at four corner positions of the upper surface of the carrying plate, and a positioning cylinder coaxial with the support columns is provided on the lower surface of the carrying plate.

[0012] Preferably, the limiting frame is a rectangular frame.

[0013] Preferably, a drain groove is provided on the side of the insertion hole.

[0014] Preferably, the plurality of groups of limiting units are arranged along the length direction of the carrying plate.

[0015] According to the above technical scheme, the utility model provides a centrifugal fan transfer device, including a carrying plate, on which a plurality of limit units are arranged, and the limit units include a limit frame fixedly connected to the carrying plate, and the carrying plate is respectively provided with a boss and a column on both sides of the limit frame, the boss is provided with a screw hole, and a socket is provided in the middle of the column, a movable column is inserted in the socket, the upper end of the movable column is fixedly connected to a door-type frame, and the end of the door-type frame away from the movable column is fixedly connected to a cylinder coaxial with the boss, a screw that can be screwed to the screw hole is inserted in the cylinder, and the bottom side of the door-type frame is provided with a limit groove pressed against the top side of the centrifugal fan.

[0016] When the centrifugal fan transfer device is in use, the load-bearing plate is first fixed on the transfer vehicle, and then the base portion of the centrifugal fan is placed in the limit frame to achieve lateral limitation of the base portion of the centrifugal fan. Considering that the centrifugal fan is limited only at the bottom, its top also has a lateral roll force in the direction perpendicular to the impeller that needs to be overcome, by inserting a movable column into the socket, the door frame is collapsed on the top of the centrifugal fan, and the screws are screwed into the screw holes after passing through the cylinder, so that the limit grooves are pressed and limited on the top side of the centrifugal fan, thereby overcoming a part of the lateral roll force of the centrifugal fan, thereby making the centrifugal fan more stable during transportation.

[0017] Other features and advantages of the present invention will be described in detail in the subsequent specific implementation section. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present invention, but do not constitute a limitation to the present invention. In the accompanying drawings:

[0019] Figure 1 It is a schematic diagram of the overall structure of a preferred embodiment of a centrifugal fan transfer device;

[0020] Figure 2 It is a bottom perspective structural diagram of a preferred embodiment of a centrifugal fan transfer device;

[0021] Figure 3 It is a schematic diagram of a top view of a preferred embodiment of a centrifugal fan transfer device;

[0022] Figure 4 yes Figure 3 Schematic diagram of the AA cross-section structure.

[0023] Description of Reference Numerals

[0024] 1-bearing plate; 2-limiting frame; 3-convex column; 4-outer step surface; 5-screw hole; 6-cylinder; 7-gantry; 8-movable column; 9-column; 10-limiting groove; 11-screw; 12-nut; 13-limiting block; 14-screw; 15-support column; 16-positioning cylinder; 17-anti-fool groove; 18-emptying groove; 19-jack; 20-inner step surface. DETAILED DESCRIPTION

[0025] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the present invention.

[0026] In the present utility model, unless otherwise stated, directional words contained in terms such as "up, down, left, right, front, back, inside, outside" merely represent the orientation of the terms in normal usage, or are common names understood by those skilled in the art, and should not be regarded as limitations on the terms.

[0027] See also Figure 1-4The centrifugal fan transfer device shown includes a bearing plate 1, on which a plurality of limit units are arranged, and the limit units include a limit frame 2 fixedly connected to the bearing plate 1, and the bearing plate 1 is provided with a boss 3 and a column 9 on both sides of the limit frame 2, respectively, and the boss 3 is provided with a screw hole 5, and a socket 19 is provided in the middle of the column 9, and a movable column 8 is inserted into the socket 19, and a door frame 7 is fixedly connected to the upper end of the movable column 8, and a cylinder 6 coaxial with the boss 3 is fixedly connected to the end of the door frame 7 away from the movable column 8, and a screw 14 that can be screwed to the screw hole 5 is inserted into the cylinder 6, and the bottom side of the door frame 7 is provided with a limit groove 10 pressed against the top side of the centrifugal fan.

[0028] Through the implementation of the above technical solution, when the centrifugal fan transfer device is in use, the load plate 1 is first fixed on the transfer vehicle, and then the base part of the centrifugal fan is placed in the limit frame 2 to achieve lateral limitation of the base part of the centrifugal fan. Considering that the centrifugal fan is only limited at the bottom, its top also has a lateral roll force in the direction perpendicular to the impeller that needs to be overcome. By inserting the movable column 8 into the socket 19, the door frame 7 is collapsed on the top of the centrifugal fan, and the screw 14 passes through the cylinder 6 and is screwed into the screw hole 5, so that the limit groove 10 is pressed and limited on the top side of the centrifugal fan, overcoming part of the lateral roll force of the centrifugal fan, thereby making the centrifugal fan more stable during transportation. The vertical impeller direction described here refers to the axial direction of the centrifugal fan.

[0029] In this embodiment, an outer step surface 4 is provided on the outer side of the upper end of the boss 3, and an inner step surface 20 is provided on the inner side of the cylinder 6 to cooperate with the outer step surface 4. The cooperation between the outer step surface 4 and the inner step surface 20 allows the boss 3 and the cylinder 6 to be quickly aligned.

[0030] In this embodiment, a vertically extending through hole is provided on the portal frame 7, an anti-idiot groove 17 is provided at the bottom of the through hole, a screw 11 is inserted into the through hole, a limit block 13 is fixedly connected to the bottom of the screw 11, the limit groove 10 is provided on the bottom side of the limit block 13, the top surface of the limit block 13 is provided with an anti-idiot block that cooperates with the anti-idiot groove 17, and a nut 12 is sleeved on the upper end of the screw 11. The limit groove 10 is provided on the bottom side of the limit block 13, and the limit block 13 is fixed to the bottom side of the portal frame 7 by the nut 12, so as to facilitate the replacement of the limit block 13. By replacing different limit blocks 13, limit grooves 10 of different shapes and specifications can be obtained. The shape of the limit groove 10 should be able to fit and press on the top surface of the centrifugal fan of the corresponding shape, for example Figure 4The arc-shaped limit groove 10 shown in the figure limits the upper ends of the centrifugal fan on both sides by the limit groove 10, and the overturning force on the upper end is transmitted to the boss 3 or the column 9 by the door frame 7. The cooperation between the foolproof groove 17 and the foolproof block ensures that the limit block 13 will not deflect after being fixed in place, thereby improving the stability of the use of the limit block 13. The foolproof groove 17 can be a rectangular groove.

[0031] In this embodiment, support columns 15 are arranged at four corners of the upper surface of the carrier plate 1, and positioning cylinders 16 coaxial with the support columns 15 are arranged on the lower surface of the carrier plate 1. Through such an arrangement, two centrifugal fan transport devices of the same structure can be stacked, wherein the positioning cylinders 16 of the upper layer are arranged to be inserted into the support columns 15 of the lower layer.

[0032] In this embodiment, in order to further provide a limiting frame 2, the limiting frame 2 is a rectangular frame. Of course, each limiting unit may also have a plurality of limiting frames 2.

[0033] In this embodiment, an emptying groove 18 is provided on the side of the insertion hole 19. The emptying groove 18 is provided to facilitate the emptying of the movable column 8 when it is inserted into the insertion hole 19.

[0034] In this embodiment, in order to further provide an arrangement method of the limiting units, the plurality of groups of limiting units are arranged along the length direction of the carrying plate 1 .

[0035] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, the technical solution of the present invention can be subjected to a variety of simple modifications, and these simple modifications all belong to the protection scope of the present invention.

[0036] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present utility model will not further describe various possible combinations.

[0037] In addition, various embodiments of the present invention may be arbitrarily combined, and as long as they do not violate the concept of the present invention, they should also be regarded as the contents disclosed by the present invention.

Claims

1. A centrifugal fan transport device, characterized in that: The invention comprises a bearing plate (1), wherein a plurality of limit units are arranged on the bearing plate (1), wherein the limit units comprise a limit frame (2) fixedly connected to the bearing plate (1), wherein a boss (3) and a column (9) are respectively arranged on both sides of the limit frame (2) on the bearing plate (1), wherein a screw hole (5) is arranged on the boss (3), wherein a plug hole (19) is arranged in the middle of the column (9), wherein a movable column (8) is inserted into the plug hole (19), wherein the upper end of the movable column (8) is fixedly connected to a door frame (7), wherein an end of the door frame (7) away from the movable column (8) is fixedly connected to a cylinder (6) coaxial with the boss (3), wherein a screw (14) capable of being screwed into the screw hole (5) is inserted into the cylinder (6), and wherein a limit groove (10) pressed against the top side of the centrifugal fan is arranged on the bottom side of the door frame (7).

2. The centrifugal fan transport device according to claim 1, characterized in that: An outer step surface (4) is arranged on the outer side of the upper end of the convex column (3), and an inner step surface (20) is arranged on the inner side of the cylinder (6) for cooperating with the outer step surface (4) to limit the position.

3. The centrifugal fan transfer device according to claim 1, characterized in that: The door frame (7) is provided with a through hole extending vertically, the bottom of the through hole is provided with an anti-fouling groove (17), and a screw rod (11) is inserted into the through hole; The bottom of the screw rod (11) is fixedly connected to a limit block (13), the limit groove (10) is arranged on the bottom side of the limit block (13), the top surface of the limit block (13) is provided with an anti-foolproof block that cooperates with the anti-foolproof groove (17), and the upper end of the screw rod (11) is sleeved with a nut (12).

4. The centrifugal fan transport device according to claim 1, characterized in that: Support columns (15) are arranged at four corners of the upper surface of the bearing plate (1), and a positioning cylinder (16) coaxial with the support column (15) is arranged on the lower surface of the bearing plate (1).

5. The centrifugal fan transfer device according to claim 1, characterized in that: The limiting frame (2) is a rectangular frame.

6. The centrifugal fan transfer device according to claim 1, characterized in that: A drain groove (18) is provided on the side of the insertion hole (19).

7. The centrifugal fan transport device according to claim 1, characterized in that: The plurality of groups of limiting units are arranged in an array along the length direction of the carrying plate (1).

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