Forming device for hook pull ring of double-side radiator of transformer

Abstract

The utility model relates to the technical field of related structures of transformers, in particular to a forming device for a hook pull ring of a double-side radiator of a transformer, which comprises a cylindrical fixed base rotationally connected with a torsion platform. A placing block with one end penetrating through the torsion platform and extending to the working face of the torsion platform is connected to the axis of the fixed base, a placing groove for containing pull ring round steel is formed in the end, located on the working face of the torsion platform, of the placing block, and a ring forming piece is arranged at the position, deviating from the axis of the fixed base, of the working face of the torsion platform. The bending wrench is used for bending the other end of the pull ring round steel into a ring shape consistent with a metal pipe fitting in boundary dimension, and the torsion platform is rotationally connected to the fixed base and can be bent to an arc-shaped part of the pull ring round steel, so that the pull ring round steel is bent into a needed hook pull ring, and in the process, the pull ring round steel is bent into a hook pull ring. The circular outline of the metal pipe fitting is used for limiting the annular part when the pull ring round steel is bent, so that the annular part can reach the required diameter size.

Description

TECHNICAL FIELD

[0001] The utility model relates to a hook pull ring forming device, especially to a transformer double -sided radiator hook pull ring's forming device belongs to transformer relevant structure technical field. BACKGROUND

[0002] The transformer double -sided radiator hook pull ring's forming device is a device for fixing and suspending transformer double -sided radiator. It is usually made of metal, has certain strength and corrosion resistance, and the main function of the hook pull ring is to firmly fix the transformer double -sided radiator on the transformer body, prevent the displacement or sway of the radiator during operation, so as to ensure the stability of the heat dissipation effect, and the design of the hook pull ring makes the installation and disassembly of the radiator more convenient, and the maintenance personnel can overhaul and replace.

[0003] When the pull ring is bent and formed, in order to facilitate on-site processing and manufacturing, workers usually manually bend, the bending process is to heat the round steel by using a cutting torch, then manually bend, and then form a steel ring. Since the manually bent steel rings are of different sizes, the ovality cannot be guaranteed, therefore, there are defects in actual operation, and the efficiency is low. UTILITY MODEL CONTENT

[0004] In view of the deficiencies in the prior art, the utility model provides a transformer double -sided radiator hook pull ring's forming device to solve the technical problems existing in the prior art.

[0005] The utility model adopts the technical scheme that:

[0006] A transformer double -sided radiator hook pull ring's forming device, it includes cylindrical fixed base, the fixed base is rotationally connected with the torsion platform, is connected with the placing block that one end penetrates torsion platform and extends to the torsion platform working face on the axis of fixed base, the placing block is located on the one end of torsion platform working face and is set up with the placing groove that contains the pull ring round steel, the position that deviates from the fixed base axis on the torsion platform working face is equipped with the ring piece, the bending wrench that assists the pull ring round steel forming is movably clamped on the ring piece, the torsion platform is equipped with the adjusting piece that adjusts the distance between the ring piece and the placing block.

[0007] Further, the ring piece includes a rotating shaft and a flared column sleeve set on the outside of the rotating shaft, and a metal pipe is movably sleeved on the flared column.

[0008] Further, the ring forming piece further comprises a moving base opposite to the working surface of the torsion platform, a sliding groove for allowing the moving base to slide along the radial direction of the torsion platform is formed on the side of the torsion platform opposite to the working surface, and a long slot with the same width as the diameter of the rotating shaft is further formed on the sliding groove, one end of the rotating shaft extends into the sliding groove and is rotationally connected to the moving base.

[0009] Further, a threaded hole is formed on the side of the sliding groove close to the edge of the torsion platform, the adjusting piece comprises an adjusting screw rod penetrating through the threaded hole and being threadedly connected to the threaded hole, and a hand wheel connected to one end of the adjusting screw rod, and the other end of the adjusting screw rod extends into the sliding groove and is rotationally connected to the moving base.

[0010] Further, a spring is sleeved on one end of the adjusting screw rod inside the sliding groove, and the two ends of the spring are respectively connected to the moving base and the side wall of the sliding groove.

[0011] Further, a driven block is connected to the end of the rotating shaft away from the moving base, and a polygonal clamping groove is formed on the driven block.

[0012] Further, the bending wrench is composed of a hand rod, a corner rod connected to one end of the hand rod, a lock ring fixed on the corner rod and used for placing the pull ring round steel, and a pin block connected to the end of the corner rod and movably clamped in the clamping groove of the driven block.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] One end of the pull ring round steel is limited by the placing block, and then the other end of the pull ring round steel is bent into a ring with the same size as the metal pipe by the bending wrench, and the arc part of the pull ring round steel can be bent because the torsion platform is rotationally connected to the fixed base, so that the pull ring round steel is bent into the required hook pull ring, in the process, the circular profile of the metal pipe is used to limit the ring part of the pull ring round steel during bending, so that the ring part can reach the required diameter size, the ellipticity is ensured, and the ring parts can be consistent when the plurality of pull ring round steels are bent, the actual operation is simple and convenient, and the efficiency is high. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The utility model provides an isometric structure schematic diagram;

[0016] Figure 2 The utility model provides a sectional view;

[0017] Figure 3 The utility model provides a ring forming piece structure schematic diagram;

[0018] Figure 4The utility model provides a sliding groove structure schematic diagram provides;

[0019] Figure 5 The utility model provides a long groove structure schematic diagram provides;

[0020] Figure 6 The utility model provides a bending wrench three -dimensional structure schematic diagram provides;

[0021] Figure 7 The utility model provides a pull ring round steel after the structure schematic diagram of being bent.

[0022] In the figure, 1, fixed base, 2, torsion platform, 200, working surface, 3, placing block, 30, placing groove, 4, ring piece, 401, rotating shaft, 402, flared column, 403, moving base, 5, bending wrench, 501, hand lever, 502, angle lever, 503, lock ring, 504, pin block, 6, metal pipe fitting, 7, sliding groove, 8, long groove, 9, adjusting screw, 10, hand wheel, 11, spring, 12, driven block, 13, clamping groove, 14, pull ring round steel, 1401, annular part, 1402, long straight part, 1403, arc part. DETAILED DESCRIPTION

[0023] The technical scheme of the utility model will be described further in detail below in combination with the drawings and specific embodiments.

[0024] As Figures 1-7 Shown, the utility model provides a kind of forming device of transformer double-side radiator hook pull ring, including installing cylindrical fixed base 1 on selected position, then torsion platform 2 is rotationally connected on fixed base 1, it is connected with the placing block 3 of one end penetrating torsion platform 2 and extending to the working surface 200 of torsion platform 2 on the axis of fixed base 1, placing block 3 is located on the one end of torsion platform 2 working surface 200 and is equipped with the placing groove 30 of accommodating pull ring round steel 14, the both ends of this placing groove 30 are penetrated and extend straight, the center line of placing groove 30 passes through the axis of fixed base 1, torsion platform 2 working surface 200 is equipped with ring piece 4 at the position deviating from the axis of fixed base 1, bending wrench 5 for assisting pull ring round steel 14 forming is movably clamped on ring piece 4, torsion platform 2 is equipped with adjusting member for adjusting the spacing between ring piece 4 and placing block 3;

[0025] In use, select the appropriate size of the long straight pull ring round steel 14, one end of the placement of the placement of the block 3 in the placement of the groove 30, the other end of the ring member 4 in a side position, using the bending wrench 5 will be located in the ring member 4 side of the pull ring round steel 14 end of the card, and then turn the bending wrench 5, the pull ring round steel 14 will be around the ring member 4 of the outer contour extension, and the pull ring round steel 14 end of the bending wrench 5 driven, the pull ring round steel 14 in the placement of the groove 30 in one end will be pulled to the direction of the ring member 4 forward, when the bending wrench 5 drive the pull ring round steel 14 around the ring member 4 to a certain distance, its pull ring round steel 14 end will be in contact with the pull ring round steel 14 itself, as shown in Figure 7 , the operation step forms the ring of the pull ring round steel 14 1401, stop pushing the bending wrench 5 at this time, and then turn the torsion platform 2, the arc side wall of the placement of the groove 30 opening will be extruded to the pull ring round steel 14, so that the ring 1401 and the pull ring round steel 14 between the long straight 1402 arc 1403 between the department, complete the bending of the pull ring round steel 14, the long straight pull ring round steel 14 into a specific shape of the hook.

[0026] As shown in Figure 3 , in order to more conveniently bending the pull ring round steel 14, the ring member 4 includes a rotating shaft 401 and the flared column 402 set on the rotating shaft 401 outside the composition, the flared column 402 on the movable sleeve with the flared column 402 high metal pipe 6, the flared column 402 set in the rotating shaft 401, and then set the metal pipe 6 on the flared column 402, so that in the bending of the pull ring round steel 14, the rotating shaft 401 under stress to get buffer, protect the rotating shaft 401 from wear and damage; secondly, the flared column 402 can assist the rotating shaft 401 connection of larger diameter size of metal pipe 6, and different diameter size of metal pipe 6 can make the device can be bent in different diameter size of the hook.

[0027] Because of the bending of the pull ring round steel 14, the need to contact the bending wrench 5 and the ring member 4, in order to better bending wrench 5 stable on the ring member 4, the rotating shaft 401 away from the moving base 403 on one end of the connecting driven block 12, the driven block 12 on the opening of the polygonal clamping groove 13.

[0028] As shown in Figure 6As shown, the bending wrench 5 is composed of a hand rod 501, a corner rod 502 connected to one end of the hand rod 501, a lock ring 503 fixed on the corner rod 502 and containing the pull ring round steel 14, and a pin block 504 connected to the end of the corner rod 502, the pin block 504 is movably connected with the clamping groove 13 on the driven block 12, and the lock ring 503 is welded on the end of the corner rod 502, when the bending wrench 5 is placed on the looped piece 4, the pin block 504 will be clamped with the clamping groove 13 on the rotating shaft 401, and then under the action of the corner rod 502, the lock ring 503 will be located at one side of the flared column 402 and can clamp the end of the pull ring round steel 14.

[0029] When the flared column 402 is sleeved with metal pipe fittings 6 of different diameters, the distance between the outer side of the metal pipe fitting 6 and the placement block 3 determines the bending curvature of the hook pull ring arc portion 1403, in order to more conveniently adjust the distance between the outer side of the metal pipe fitting 6 and the placement block 3, therefore, as shown, Figure 1 The looped piece 4 further comprises a moving base 403 facing away from the working face 200 of the torsion platform 2, the side of the torsion platform 2 facing away from the working face 200 is provided with a sliding groove 7 containing the moving base 403 sliding along the radial direction of the torsion platform 2, the sliding groove 7 is further provided with a long slot 8 with the same width as the diameter of the rotating shaft 401, one end of the rotating shaft 401 extends into the sliding groove 7 through the long slot 8 and is rotationally connected to the moving base 403, when the moving base 403 is moved, the looped piece 4 will move along with the moving base 403.

[0030] Further, the side of the sliding groove 7 close to the edge of the torsion platform 2 is provided with a through threaded hole, the adjusting member comprises an adjusting screw 9 extending through the threaded hole and being threadedly connected with the threaded hole, and a hand wheel 10 connected to one end of the adjusting screw 9, the other end of the adjusting screw 9 extends into the sliding groove 7 and is rotationally connected to the moving base 403, the position of the moving base 403 is adjusted by the adjusting screw 9, which is convenient to operate.

[0031] In order to avoid the rotation of the adjusting screw 9 when it is at rest due to the influence of the vibration of the device structure, a spring 11 is sleeved on the end of the adjusting screw 9 inside the sliding groove 7, the two ends of the spring 11 are respectively connected to the moving base 403 and the side wall of the sliding groove 7, the elastic force of the spring 11 acts on the moving base 403, so as to exert an axial force on the adjusting screw 9, so that the adjusting screw 9 will not easily rotate.

[0032] The above description shows and describes the preferred embodiments of the present application, it should be understood that the present application is not limited to the form disclosed herein, and the changes and modifications made by those skilled in the art without departing from the spirit and scope of the present application should be within the scope of protection of the claims of the present application.

Claims

1. A forming device for a hook pull ring of a transformer double-sided radiator, comprising a cylindrical fixing base (1), characterized in that: A torsion platform (2) is rotatably connected to the fixed base (1). A placement block (3) is connected on the axis of the fixed base (1), with one end passing through the torsion platform (2) and extending to the working surface (200) of the torsion platform (2). The placement block (3) has a placement groove (30) for accommodating the pull ring round steel on one end of the working surface (200) of the torsion platform (2). A ring-forming component (4) is provided on the working surface (200) of the torsion platform (2) at a position away from the axis of the fixed base (1). A bending wrench (5) for assisting in the forming of the pull ring round steel is movably engaged on the ring-forming component (4). An adjusting component for adjusting the distance between the ring-forming component (4) and the placement block (3) is provided on the torsion platform (2).

2. The forming device for the hook pull ring of the transformer double-sided radiator according to claim 1, characterized in that: The ring-forming component (4) includes a rotating shaft (401) and a flared post (402) sleeved on the outside of the rotating shaft (401). A metal tube (6) of the same height as the flared post (402) is movably sleeved on the flared post (402).

3. The forming device for the hook pull ring of the transformer double-sided radiator according to claim 2, characterized in that: The ring-forming component (4) also includes a movable base (403) facing away from the working surface (200) of the torsion platform (2). A sliding groove (7) is provided on the side of the torsion platform (2) facing away from the working surface (200) to accommodate the movable base (403) sliding radially along the torsion platform (2). A long groove (8) with the same width as the diameter of the rotating shaft (401) is also provided on the sliding groove (7). One end of the rotating shaft (401) extends through the long groove (8) into the sliding groove (7) and is rotatably connected to the movable base (403).

4. The forming device for the hook pull ring of the transformer double-sided radiator according to claim 3, characterized in that: The sliding groove (7) has a through threaded hole on one side near the edge of the torsion platform (2). The adjusting component includes an adjusting screw (9) that passes through the threaded hole and is threadedly connected to the threaded hole, and a handwheel (10) connected to one end of the adjusting screw (9). The other end of the adjusting screw (9) extends into the sliding groove (7) and is rotatably connected to the movable base (403).

5. The forming device for the hook pull ring of the transformer double-sided radiator according to claim 4, characterized in that: A spring (11) is fitted on one end of the adjusting screw (9) inside the sliding groove (7). The two ends of the spring (11) are connected to the movable base (403) and the side wall of the sliding groove (7), respectively.

6. The forming device for the hook pull ring of the transformer double-sided radiator according to claim 2, characterized in that: A driven block (12) is connected to one end of the rotating shaft (401) away from the movable base (403), and a polygonal snap-fit ​​groove (13) is provided on the driven block (12).

7. The forming device for the hook pull ring of the transformer double-sided radiator according to claim 6, characterized in that: The bending wrench (5) consists of a handle (501), a bend bar (502) connected to one end of the handle (501), a locking ring (503) fixed to the body of the bend bar (502) and accommodating the pull ring round steel, and a pin block (504) connected to the end of the bend bar (502).

8. The forming device for the hook pull ring of the transformer double-sided radiator according to claim 7, characterized in that: The pin (504) is movably engaged with the locking groove (13) on the driven block (12).

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