Angle-adjustable cross-flow type cooling fan of dry-type transformer

Abstract

The utility model relates to the technical field of cooling fans, in particular to an angle-adjustable cross-flow type cooling fan of a dry-type transformer, which is characterized in that a plurality of limiting rods are symmetrically screwed in a transformer box body by using shaft seats, and the opposite surfaces of the limiting rods in the same group are provided with slots; the two ends of a plurality of adjusting plates are movably inserted into the inserting grooves respectively, and the fan body is fixedly arranged on the adjusting plates; a plurality of limiting plates are fixedly arranged between the limiting plates on the front side and the rear side respectively, the middles of a plurality of first bidirectional lead screws are connected to the limiting plates in a screwed mode through bearings, and the first bidirectional lead screws are located below the adjusting plate. The first two-way lead screw is used for controlling movement of the moving rod, the moving rod adjusts the corresponding rotating plate to rotate, and therefore the limiting rod is driven to rotate with the shaft base as the circle center, the angle of the adjusting plate is adjusted, and the draught fan body is adjusted to the proper position.

Description

Technical Field

[0001] The utility model relates to the technical field of cooling fans, and particularly relates to a cross-flow cooling fan for a dry-type transformer with adjustable angle. Background Art

[0002] In the existing transformer, the cross-flow cooling fan is usually fixedly installed in the transformer box body and cannot adjust the angle of the fan according to needs. Therefore, there is an urgent need for a cross-flow cooling fan for a dry-type transformer with adjustable angle to solve the above problems. Content of the Utility Model

[0003] The purpose of the utility model is to provide a cross-flow cooling fan for a dry-type transformer with adjustable angle in view of the defects and deficiencies of the prior art, and its technical features can solve the above problems.

[0004] To achieve the above purpose, the utility model adopts the following technical solutions: It includes:

[0005] Limit rods, several limit rods are provided and two of them are in a group. Several limit rods are symmetrically rotatably connected in the transformer box body by shaft seats, and slots are opened on the opposite surfaces of the limit rods in the same group;

[0006] Adjusting plates, several adjusting plates are provided. The two ends of several adjusting plates are respectively movably inserted into the slots, and the fan body is fixedly arranged on the adjusting plates;

[0007] Limit plates, several limit plates are provided. Several limit plates are respectively fixedly arranged between the front and rear adjusting plates. The middle parts of several first bidirectional lead screws are rotatably connected to the limit plates by bearings, and the first bidirectional lead screws are located below the adjusting plates;

[0008] Moving rods, several moving rods are provided. Several moving rods are respectively threadedly connected to the first bidirectional lead screws. The tops of several rotating plates are rotatably connected to the bottom surfaces of the limit rods by hinge seats, and the bottom ends of the rotating plates are rotatably connected to the ends of the moving rods by rotating rods.

[0009] Adopting the above design scheme, by adjusting the movement of the moving rods in the same group through the first bidirectional lead screw, the moving rods drive the rotating plates to rotate, and the rotating plates drive the adjusting plates to rotate, so as to facilitate adjusting the fan body to a suitable angle.

[0010] Furthermore, grooves are opened at the relative ends of adjacent two adjusting plates, and a limiting component is arranged in the grooves. The limiting component includes:

[0011] Connecting plates, two connecting plates are provided. The two connecting plates are rotatably connected in the grooves by rotating rods. One ends of several rotating rods are rotatably connected to the sides of the connecting plates by hinge seats;

[0012] Connecting rod, the bottom end of the connecting rod is fixedly arranged on the top surface of the limiting plate, and the middle part of the bidirectional screw rod two is rotatably connected to the top end of the connecting rod by a bearing;

[0013] Limiting blocks, there are two limiting blocks, and the two limiting blocks are respectively screwed on the bidirectional screw rod two, and the other end of the rotating rod is rotatably connected to the limiting block by a hinge seat.

[0014] Adopting the above design scheme, the movement of the same group of limiting blocks is controlled by the bidirectional screw rod two, the limiting blocks drive the rotating rod to rotate, and the rotating rod drives the corresponding adjusting plate to slide in the limiting rod, so as to adjust the position of the adjusting plate.

[0015] Furthermore, clamping plates are symmetrically arranged on the planes of several adjusting plates respectively, and the clamping plates are arranged in a matching and abutting manner with the fan body. The position of the fan body is restricted by the clamping plates, which is convenient for installing the fan body on the adjusting plate.

[0016] Furthermore, clamping grooves are arranged on the left and right sides of several adjusting plates respectively, and the limiting rods are movably inserted into the clamping grooves, and the positions of the adjusting plates at the inner ends of the slots are restricted by the clamping grooves.

[0017] Furthermore, positioning screws are respectively screwed on the ends of several bidirectional screw rods one and bidirectional screw rods two, and the positioning screws are respectively screwed on the transformer and the limiting plate, and the bidirectional screw rods one and bidirectional screw rods two are fixed by the positioning screws to prevent the bidirectional screw rods one and bidirectional screw rods two from loosening.

[0018] Compared with the prior art, the beneficial effects of the present utility model are:

[0019] 1. The movement of the moving rod is controlled by the bidirectional screw rod one, and the moving rod drives the corresponding rotating plate to rotate, thereby driving the limiting rod to rotate around the shaft seat, adjusting the angle of the adjusting plate, and thus adjusting the fan body to a suitable position;

[0020] 2. A limiting component is provided, the movement of the limiting block is controlled by the bidirectional screw rod two, and in cooperation with the rotating rod to drive the connecting plate to move, and the connecting plate drives the corresponding adjusting plate to slide in the slot, so as to adjust the position of the adjusting plate. Description of the Drawings

[0021] Figure 1 is the structural schematic diagram of the present utility model.

[0022] Figure 2 is the structural schematic diagram of the limiting rod and the adjusting plate in the present utility model.

[0023] Figure 3 is the structural schematic diagram of the adjusting plate and the limiting component in the present utility model.

[0024] Figure 4 is the structural schematic diagram of the bidirectional screw rod one, the bidirectional screw rod two and the positioning screw in the present utility model.

[0025] Description of reference numerals:

[0026] Limit rod 1, slot 2, adjusting plate 3, fan body 4, limit plate 5, first bidirectional lead screw 6, moving rod 7, rotating plate 8, groove 9, limit assembly 10, connecting plate 11, rotating rod 12, connecting rod 13, second bidirectional lead screw 14, limit block 15, clamping plate 16, card slot 17, positioning screw 18. Detailed implementation manners

[0027] Next, the technical solutions in the present utility model will be described clearly and completely in conjunction with the accompanying drawings. Only the preferred embodiments in the description are taken as examples. All other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present utility model.

[0028] As Figures 1 - 4 shown, the following technical solutions are adopted in this detailed implementation manner: It includes:

[0029] Limit rod 1, and several limit rods 1 are in pairs. Several limit rods 1 are symmetrically rotatably connected in the transformer box body by shaft seats. The opposite surfaces of the limit rods 1 in the same group are provided with slots 2. The limit rod 1 plays a limiting role, and the limit rod 1 rotates around the shaft seat;

[0030] Adjusting plate 3, and several adjusting plates 3 are provided. The two ends of several adjusting plates 3 are respectively movably inserted into the slots 2. The fan body 4 is fixedly arranged on the adjusting plate 3. By driving the adjusting plate 3 to rotate through the limit rod 1, the angle of the fan body 4 is adjusted. Clamping plates 16 are symmetrically arranged on the planes of several adjusting plates 3 respectively. The clamping plates 16 are arranged in cooperation with and against the fan body 4. The position of the fan body 4 is restricted by the clamping plates 16, which is convenient for installing the fan body 4 on the adjusting plate 3. Card slots 17 are respectively arranged on the left and right sides of several adjusting plates 3. The limit rod 1 is movably inserted into the card slots 17, and the position of the adjusting plate 3 at the inner end of the slot 2 is restricted by the card slots 17;

[0031] Limit plate 5, and several limit plates 5 are provided. Several limit plates 5 are respectively fixedly arranged between the front and rear adjusting plates 3. The middle parts of several first bidirectional lead screws 6 are rotatably connected to the limit plate 5 by bearings, and the first bidirectional lead screws 6 are located below the adjusting plate 3. The limit plate 5 plays a role of over-limiting and restricts the position of the first bidirectional lead screw 6;

[0032] Moving rod 7, and several moving rods 7 are provided. Several moving rods 7 are respectively threadedly connected to the first bidirectional lead screw 6. The tops of several rotating plates 8 are rotatably connected to the bottom surface of the limit rod 1 by hinge seats, and the bottom ends of the rotating plates 8 are rotatably connected to the ends of the moving rods 7 by rotating rods. By driving the corresponding rotating plates 8 to rotate through the moving rods 7, the rotating angle of the limit rod 1 is adjusted;

[0033] Adjacent opposite ends of two adjacent adjusting plates 3 are provided with grooves 9, and a limiting component 10 is arranged in the groove 9. The limiting component 10 includes:

[0034] Connecting plates 11. There are two connecting plates 11, and the two connecting plates 11 are rotatably connected in the groove 9 by a rotating rod. One ends of several rotating rods 12 are rotatably connected to the side surfaces of the connecting plates 11 by hinge seats. The connecting plates 11 play a connecting role;

[0035] Connecting rod 13. The bottom end of the connecting rod 13 is fixedly arranged on the top surface of the limiting plate 5. The middle part of the bidirectional lead screw two 14 is rotatably connected to the top end of the connecting rod 13 by a bearing. The connecting rod 13 plays a positioning role to position the position of the bidirectional lead screw two 14;

[0036] Limiting blocks 15. There are two limiting blocks 15, and the two limiting blocks 15 are respectively screwed on the bidirectional lead screw two 14. The other ends of the rotating rods 12 are rotatably connected to the limiting blocks 15 by hinge seats. By adjusting the position of the limiting blocks 15 through the bidirectional lead screw two 14, the connecting rod 13 is driven to rotate. The ends of several bidirectional lead screws one 6 and the bidirectional lead screw two 14 are respectively screwed with positioning screws 18, and the positioning screws 18 are respectively screwed on the transformer and the limiting plate 5 to fix the bidirectional lead screws one 6 and the bidirectional lead screw two 14 by using the positioning screws 18 to prevent the bidirectional lead screws one 6 and the bidirectional lead screw two 14 from loosening.

[0037] When using the present utility model, an operator first rotates the hand-tightening at the end of the bidirectional lead screw one 6. The bidirectional lead screw one 6 drives the moving rod 7 to move. The moving rod 7 drives the corresponding rotating plate 8 to rotate. The rotating plate 8 drives the limiting rod 1 to rotate, so that the limiting rod 1 rotates with the axis seat as the center of the circle. The limiting rod 1 drives the adjusting plate 3 to be adjusted to a proper angle, and then the operator connects the fan body 4 with the clamping plate 16 by using bolts;

[0038] At the same time, the operator can rotate the bidirectional lead screw two 14 to adjust the distance between the corresponding two limiting blocks 15. The limiting blocks 15 drive the rotating rods 12 to rotate. By rotating the rotating rods 12, the distance between the corresponding two connecting plates 11 is adjusted, so that the adjusting plate 3 slides in the slot 2, thereby adjusting the position of the adjusting plate 3.

[0039] Compared with the prior art, the beneficial effects of the present utility model are:

[0040] 1. The movement of the moving rod 7 is controlled by the bidirectional lead screw one 6. The moving rod 7 drives the corresponding rotating plate 8 to rotate, thereby driving the limiting rod 1 to rotate with the axis seat as the center of the circle to adjust the angle of the adjusting plate 3, so as to adjust the fan body 4 to a proper position;

[0041] 2. Set the limit component 10. Control the movement of the limit block 15 through the bidirectional screw rod II 14, and cooperate with the rotating rod 12 to drive the connecting plate 11 to move. The connecting plate 11 drives the corresponding adjusting plate 3 to slide in the slot 2, thereby adjusting the position of the adjusting plate 3.

[0042] For those skilled in the art, they can modify the technical solutions recorded in the foregoing embodiments and perform equivalent replacements of some technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. An angle-adjustable cross-flow cooling fan for dry-type transformers, characterized in that, It contains: Limit rods (1), wherein the limit rods (1) are in plurality and are arranged in groups of two each, the limit rods (1) are symmetrically screwed into the transformer box using shaft seats, and slots (2) are provided on opposite sides of the limit rods (1) in the same group; An adjustment plate (3), wherein there are a plurality of adjustment plates (3), both ends of which are movably inserted into the slots (2), and the fan body (4) is fixedly arranged on the adjustment plates (3); A limit plate (5), wherein the limit plates (5) are in plurality and are respectively fixedly arranged between the front and rear adjustment plates (3); the middle parts of the plurality of bidirectional screw rods (6) are screwed onto the limit plates (5) by means of bearings, and the bidirectional screw rods (6) are located below the adjustment plates (3); The movable rod (7) is a plurality of movable rods (7), and the plurality of movable rods (7) are respectively screwed on a bidirectional screw rod (6), and the top ends of the plurality of rotating plates (8) are screwed on the bottom surface of the limiting rod (1) by means of a hinge seat, and the bottom ends of the rotating plates (8) are screwed on the ends of the movable rods (7) by means of a rotating rod.

2. The cross-flow cooling fan for an angle-adjustable dry-type transformer according to claim 1, characterized in that: A groove (9) is provided at the opposite ends of two adjacent adjustment plates (3), and a limit assembly (10) is arranged in the groove (9). The limit assembly (10) comprises: A connecting plate (11), wherein the connecting plates (11) are two in number, the two connecting plates (11) are screwed into the groove (9) by means of a rotating rod, and one end of a plurality of rotating rods (12) is screwed onto the side surface of the connecting plate (11) by means of a hinge seat; A connecting rod (13), the bottom end of which is fixedly arranged on the top surface of the limiting plate (5), and the middle part of the second bidirectional screw rod (14) is screwed to the top end of the connecting rod (13) by means of a bearing; The limit blocks (15) are two in number, and the two limit blocks (15) are respectively screwed on the two-way screw rod (14), and the other end of the rotating rod (12) is screwed with the limit blocks (15) by means of a hinge seat.

3. The cross-flow cooling fan for an angle-adjustable dry-type transformer according to claim 1, characterized in that: Clamping plates (16) are symmetrically arranged on the planes of the plurality of adjustment plates (3), and the clamping plates (16) are arranged to cooperate with and abut against the fan body (4).

4. The cross-flow cooling fan of an angle-adjustable dry-type transformer according to claim 1, characterized in that: A plurality of adjusting plates (3) are respectively provided with clamping grooves (17) on the left and right sides, and the limiting rods (1) are movably inserted in the clamping grooves (17).

5. The cross-flow cooling fan for the angle-adjustable dry-type transformer according to claim 2, wherein: The ends of the plurality of bidirectional screw rods 1 (6) and bidirectional screw rods 2 (14) are respectively threadedly connected with positioning screw rods (18), and the positioning screw rods (18) are respectively threadedly connected to the transformer and the limit plate (5).

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