Tool for conveniently placing and taking transformer lead wire coil

Abstract

The utility model belongs to the field of transformer manufacturing, and relates to a transformer lead wire coil convenient placing and taking tool which comprises a cuboid tool frame formed by welding steel pipes, and a plurality of groups of unpowered rolling shafts which are opposite in pairs are rotationally installed at the bottom of the cuboid tool frame in the length direction. The distance between every two opposite unpowered rolling shafts is matched with the outer diameter of a lead wire coil, rigid supporting legs are welded to the lower portions of the four corners of the bottom of the cuboid tool frame, rigid annular lifting lugs are welded to the four corners of the top of the cuboid tool frame, and a measuring scale is arranged on the surface of a steel pipe in the length direction of the lower portion of the cuboid tool frame. The device has the advantages of being simple in structure, convenient to install and use, simple in lead wire coil storage and maintenance and the like, orderly, safe and reliable placement and accurate wire taking of the transformer lead wire coils are achieved, and the production operation cost is effectively reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of transformer production and manufacturing, and in particular relates to a tool for conveniently placing and taking out lead wire reels of transformers. Background Art

[0002] During the transformer manufacturing process, various types of raw lead wires are stored in wire reels at the transformer production site, wired and cut according to technical requirements, and then the transformer is processed and assembled.

[0003] However, in the actual production process of transformers, the storage and placement of various raw material lead reels are not standardized, and various types of raw material lead wires are mixed, resulting in long search and verification time when taking them and low production efficiency. In the process of taking and cutting the lead wires, the reels need to be turned and rolled, which poses a great safety hazard. In addition, it is difficult to accurately measure the length of the cut lead wires during the process of cutting the lead wires. Inaccurate measurement will result in a great waste of costs. Summary of the invention

[0004] In order to solve the above technical problems existing in the prior art, the utility model provides a convenient placement and wire removal tool for transformer lead wire reels, which is used to realize the operations of customized storage of raw material lead wire reels, convenient wire removal, and accurate wire cutting in the transformer production process. The technical solutions adopted by the utility model are as follows:

[0005] A convenient tool for placing and removing lead reels of transformers comprises a rectangular tool frame welded from steel pipes, a plurality of groups of unpowered rollers opposing each other are rotatably installed in the bottom length direction of the rectangular tool frame, the spacing between the unpowered rollers opposing each other is matched with the outer diameter of the lead reel, rigid support legs are welded below the four corners of the bottom of the rectangular tool frame, rigid annular hanging ears are welded at the four corners of the top of the rectangular tool frame, and a measuring ruler is arranged on the surface of the steel pipe in the length direction of the lower part of the rectangular tool frame.

[0006] Preferably, the ends of the upper four steel pipes and the lower four steel pipes are respectively welded together to form an upper rectangular frame and a lower rectangular frame, four vertical steel pipes are welded between the upper rectangular frame and the lower rectangular frame, and the upper and lower ends of the four vertical steel pipes are respectively welded together with the end corners of the upper and lower rectangular frames to form a rectangular tooling frame.

[0007] Preferably, the steel pipe is a rectangular steel pipe with a specification of 50*70mm.

[0008] Preferably, two parallel supporting steel pipes are welded between the two steel pipes in the width direction of the lower rectangular frame, and three non-powered rollers are evenly rotatably installed on each supporting steel pipe, and the three non-powered rollers on the two supporting steel pipes are opposite to each other in pairs.

[0009] Preferably, the unpowered roller is rotatably mounted on the supporting steel pipe through a roller mounting mechanism. The unpowered roller is selected with a specification of 90mm in diameter and 800mm in length. The unpowered roller includes: a galvanized tube body, an inner shaft, an end cover and a bearing. Internal threaded holes are arranged at both ends of the inner shaft of the unpowered roller.

[0010] Preferably, the roller mounting mechanism includes a support seat and a fixing screw. A pair of parallel support seats are welded to the supporting steel pipe. A circular through hole is arranged at the upper end of the support seat. Both ends of the inner shaft of the unpowered roller are rotatably mounted in the circular through hole, and the fixing screw is screwed into the internal threaded holes at both ends of the inner shaft.

[0011] Preferably, a measurement auxiliary component is arranged on the outer side surface of the bottom steel pipe of the rectangular tooling frame, and the measurement auxiliary component includes: a steel wire rope, a fixed steel pipe with a through internal threaded hole, a connecting screw and an expansion plug cap. The fixed steel pipe is welded to the two ends of the outer side surface of the bottom steel pipe, and a through hole is opened at the center position of the connecting screw. The two ends of the steel wire rope respectively pass through the internal threaded hole of the fixed steel pipe and the through hole of the connecting screw and then are fixedly connected to the expansion plug cap.

[0012] Preferably, the rectangular tooling frame is a double-layer structure of upper and lower layers, and limit guard plates are arranged on the outer surfaces of the top four corners of the lower rectangular tooling frame. The limit guard plate is an L-shaped right-angle structure, and quick-plug pin holes are provided on both planes of the limit guard plate. A through hole corresponding to the size and position of the quick-plug pin hole is provided on the top side surface of the lower rectangular tooling frame. The limit guard plate is fixedly installed by inserting the quick-plug pin into the quick-plug pin hole and the through hole of the rectangular tooling frame, and the upper part of the limit guard plate is higher than the top of the lower rectangular tooling frame.

[0013] Preferably, a quick-latch pin insertion hole corresponding to the bottom of the upper rectangular tooling frame is opened on the upper part of the limiting guard plate, and a corresponding through hole is opened at the bottom of the upper rectangular tooling frame.

[0014] Beneficial effects of the utility model:

[0015] The utility model is a convenient tool for placing and removing the transformer lead reel, which has the advantages of simple structure, easy installation and use, simple storage and maintenance of the lead reel, etc. It realizes the orderly, safe and reliable placement of the transformer lead reel, effectively improves the "6S" control of the transformer production site, and effectively improves the convenience of wire removal by adding auxiliary accessories such as "unpowered roller" and "measuring ruler" to the tooling, and can accurately measure the length of the cut lead wire by measuring the measuring ruler, effectively reducing the production operation cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of the tooling according to the first embodiment of the utility model;

[0018] Figure 2 This is a schematic diagram of the exploded structure of the roller installation mechanism of the first embodiment of the utility model;

[0019] Figure 3 This is a schematic diagram of the exploded structure of the measurement auxiliary component of the first embodiment of the utility model;

[0020] Figure 4 This is a schematic diagram of the three-dimensional structure of the tooling of the second embodiment of the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the position limiting guard plate of the second embodiment of the utility model;

[0022] Figure 6 This is a schematic diagram of the installation structure of the limit guard plate and the measurement auxiliary component of the second embodiment of the utility model;

[0023] Among them, 1. steel pipe, 2. rigid annular lifting ear, 3. non-powered roller, 3-1 is a round through hole, 3-2 is a support seat, 3-3 is a fixed screw, 4. supporting steel pipe, 5. roller mounting mechanism, 6. rigid supporting leg, 7. lead wire reel, 8. limit guard plate, 9. quick plug socket, 10 is a measurement auxiliary component, 10-1 is a steel wire rope, 10-2 is a fixed steel pipe, 10-3 is a connecting screw, and 10-4 is an expansion cap. DETAILED DESCRIPTION

[0024] The technical solution of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all of the embodiments. Embodiment 1

[0025] like Figure 1 As shown, the transformer lead reel convenient placement and wire removal tool includes: a steel pipe 1, a rigid annular lifting ear 2, a non-powered roller 3, a supporting steel pipe 4, a roller mounting mechanism 5 and a rigid supporting leg 6.

[0026] The steel pipe 1 preferably adopts a rectangular steel pipe with a specification of 50*70mm. This type of rectangular pipe has a strong load-bearing capacity and can withstand a maximum weight of two tons. It has a long service life and is not easy to be damaged. When the bending and torsional strengths are the same, the weight is light. The ends of the upper four steel pipes 1 and the lower four steel pipes 1 are respectively welded together to form an upper rectangular frame and a lower rectangular frame. Four vertical steel pipes 1 are welded between the upper rectangular frame and the lower rectangular frame. The upper and lower ends of the four vertical steel pipes 1 are respectively welded together with the end corners of the upper and lower rectangular frames to form a rectangular tooling frame with a specification of 2810*1100*950mm. There are three types of conventional 110KV transformer lead wire models: TJR-185㎡ / TJR-240㎡ / TJR-300㎡. Combined with the lead wire reel 7 with a universal diameter of 800mm, a welded rectangular tooling frame is designed with three lead wire specifications as a unit, which is convenient for cutting the lead wires and daily management of the lead wire reel 7 during the transformer production process.

[0027] Two parallel supporting steel pipes 4 are welded between the two steel pipes 1 in the width direction of the lower rectangular frame. Three non-powered rollers 3 are evenly and rotatably installed on each supporting steel pipe 4. The three non-powered rollers 3 on the two supporting steel pipes 4 are opposite to each other in pairs. The spacing between the two pairs of non-powered rollers 3 is matched with the outer diameter size of the lead wire reel 7. The lead wire reel 7 is placed on the three groups of non-powered rollers 3 opposite to each other in pairs. The non-powered rollers 3 are rotatably installed on the supporting steel pipes 4 through the roller installation mechanism 5. The non-powered rollers 3 preferably have a diameter of 90mm and a length of 800mm. The non-powered rollers of this specification are composed of a galvanized tube body, an inner shaft, an end cover and a bearing. The combined load-bearing capacity of the components is 500kg. The two parallel non-powered rollers are used together. After testing, a 600kg wire reel can be pushed by a single person with little effort.

[0028] like Figure 2 As shown, the roller installation mechanism 5 includes a support seat 3-2 and a fixing screw 3-3. A pair of parallel support seats 3-2 are welded on the supporting steel pipe 4. A round through hole 3-1 is set at the upper end of the pair of support seats 3-2. Both ends of the inner shaft of the unpowered roller 3 are rotatably installed in the round through hole 3-1. Both ends of the inner shaft of the unpowered roller 3 are provided with internal threaded holes. After the two ends of the inner shaft of the unpowered roller 3 pass through the round through hole 3-1, the fixing screw 3-3 is screwed into the internal threaded holes at both ends of the inner shaft to complete the fixation and tightening.

[0029] Four rigid support legs 6 are fixedly installed by welding below the four corners of the lower rectangular frame. The rigid support legs 6 are in contact with the ground, so that the tooling as a whole is placed more stably.

[0030] Four rigid ring hanging ears 2 are fixedly installed at the four corners of the upper rectangular frame by welding. The rigid ring hanging ears 2 need to meet the requirements of bearing twice the load without deformation and bearing four times the load without breaking. Because the lead wire reel 7 is generally heavy, it is not suitable to install rollers at the bottom of the tooling. Therefore, four rigid ring hanging ears 2 are set. The four rigid ring hanging ears 2 are hung by a crane to facilitate the overall movement of the transformer lead wire reel for convenient placement and wire removal tooling.

[0031] like Figure 3 As shown, a measurement auxiliary component 10 is arranged on the outer side of the steel pipe 1 at the bottom of the rectangular tooling frame, and the measurement auxiliary component 10 includes: a steel wire rope 10-1, a short fixed steel pipe 10-2 with an internal threaded hole, a connecting screw 10-3 and an expansion plug cap 10-4. The fixed steel pipe 10-2 is welded to the two ends of the outer side of the bottom steel pipe 1. The diameter of the steel wire rope 10-1 is 2mm, the specification of the connecting screw 10-3 is M20, and a through hole is opened at the center of the connecting screw 10-3. The two ends of the steel wire rope 10-1 pass through the internal threaded hole of the fixed steel pipe 10-2 and the through hole of the connecting screw 10-3 respectively, and then are fixedly connected to the expansion plug cap 10-4. By adjusting the connecting screw 10-3 screwed in the fixed steel pipe 10-2, the steel wire rope 10-1 is adjusted to a taut state. When measuring the length of the lead wire, the head end of the measuring ruler is fixed to one end of the steel wire rope 10-1, and the length of the intercepted lead wire is measured by the measuring ruler during the line taking process. The steel wire rope 10-1 in a taut state can ensure the measuring accuracy of the measuring ruler.

[0032] The transformer lead wire reel convenient placement and wire removal tool of the first embodiment of the utility model can place three transformer lead wire reels 7 at a time. Embodiment 2

[0033] Embodiment 2 is based on embodiment 1, in which the rectangular tooling frame is designed as a double-layer structure, and six transformer lead wire reels 7 can be placed at one time, thus further saving the site space of the transformer production workshop.

[0034] like Figure 4-6As shown, the transformer lead wire reel convenient placement and wire removal tooling includes two double-layered rectangular tooling frames with specifications of 2810*1100*950mm stacked up and down. In order to ensure the stability of the double-layer rectangular tooling frames stacked up and down, a limit guard plate 8 is set on the outer surface of the top four corners of the lower rectangular tooling frame. The limit guard plate 8 is an L-shaped right-angle structure. Quick plug holes 9 are opened on both planes of the limit guard plate 8, and a through hole corresponding to the size and position of the quick plug hole 9 is opened on the top side of the lower rectangular tooling frame. When the upper rectangular tooling frame is stacked on top of the lower rectangular tooling frame, align the quick-plug pin hole 9 of the limiting guard plate 8 with the top side through hole of the lower rectangular tooling frame, insert the quick plug pin into the quick-plug pin hole 9 and the through hole, fix the limiting guard plate 8, and the upper part of the limiting guard plate 8 is higher than the top of the lower rectangular tooling frame. The limiting guard plate 8 can fix and limit the upper rectangular tooling frame, thereby ensuring the convenient placement of the double-layer transformer lead reel and the overall stability of the wire removal tooling.

[0035] Furthermore, a quick-plug pin hole 9 corresponding to the bottom of the upper rectangular tooling frame can be additionally opened on the limit guard plate 8, and a corresponding through hole can be opened at the bottom of the upper rectangular tooling frame. The upper rectangular tooling frame and the lower rectangular tooling frame can be fixedly connected together by the limit guard plate 8 and the quick-plug pins, so as to facilitate the simultaneous lifting and moving of the upper rectangular tooling frame and the lower rectangular tooling frame.

[0036] In the second embodiment of the present invention, the lower rigid annular lifting lug 2 must be welded to the top side of the lower rectangular tooling frame to ensure that the lower rigid annular lifting lug 2 and the bottom of the upper rectangular tooling frame do not affect each other.

[0037] The second embodiment of the utility model is a convenient placement and removal tool for transformer lead wire reels, and its operation process is as follows:

[0038] The transformer lead reel 7 is hoisted onto a pair of unpowered rollers 3. When taking the lead, the lead is pulled, and the lead reel rotates on the unpowered rollers 3, achieving the effect of labor-saving wire taking. The length of the intercepted lead can be accurately measured during the lead interception process by measuring auxiliary components and measuring rulers.

[0039] Figure 6 Only for the purpose of illustrating the installation structure of the limiting guard plate 8, the components of the upper rectangular tooling frame are omitted.

[0040] In the embodiments of the utility model, the technical features not described in detail are all existing technologies or conventional technical means and will not be described in detail here.

[0041] Finally, it should be noted that the above embodiments are only specific implementation methods of the present utility model, which are used to illustrate the technical solution of the present utility model, rather than to limit it, and the protection scope of the present utility model is not limited thereto. Those skilled in the art should understand that any technician familiar with the technical field can modify the technical solution recorded in the above embodiments within the technical scope disclosed by the present utility model, or can easily think of changes, or make equivalent replacements for some of the technical features therein; and these modifications, changes or replacements do not make the essence of the corresponding technical solution deviate from the spirit and scope of the technical solution of the embodiment of the present utility model, and should be covered within the protection scope of the present utility model.

Claims

1. A convenient tool for placing and removing transformer lead wire reels, comprising a rectangular tool frame welded from steel pipes, characterized in that: A plurality of groups of unpowered rollers are rotatably installed in pairs in the length direction of the bottom of the rectangular tooling frame, and the spacing between the unpowered rollers is matched with the outer diameter of the lead reel. Rigid support legs are welded below the four corners of the bottom of the rectangular tooling frame, and rigid annular hanging ears are welded at the four corners of the top of the rectangular tooling frame. A measuring scale is set on the surface of the steel pipe in the length direction of the lower part of the rectangular tooling frame.

2. The convenient placement and removal tool for transformer lead wire reels according to claim 1 is characterized in that: The ends of the upper four steel pipes and the lower four steel pipes are welded together to form an upper rectangular frame and a lower rectangular frame, four vertical steel pipes are welded between the upper rectangular frame and the lower rectangular frame, and the upper and lower ends of the four vertical steel pipes are welded to the end corners of the upper and lower rectangular frames to form a rectangular tooling frame.

3. The convenient placement and removal tool for transformer lead wire reels according to claim 2 is characterized in that: The steel pipe is a rectangular steel pipe with a specification of 50*70mm.

4. The convenient placement and removal tool for transformer lead wire reels according to claim 1 is characterized in that: Two parallel supporting steel pipes are welded between the two steel pipes in the width direction of the lower rectangular frame. Three non-powered rollers are evenly and rotatably installed on each supporting steel pipe, and the three non-powered rollers on the two supporting steel pipes are opposite to each other in pairs.

5. The convenient placement and removal tool for transformer lead wire reels according to claim 4 is characterized in that: The unpowered roller is rotatably installed on the supporting steel pipe through a roller installation mechanism. The unpowered roller uses a specification of 90mm in diameter and 800mm in length. The unpowered roller includes: a galvanized tube body, an inner shaft, an end cover and a bearing. Internal threaded holes are set at both ends of the inner shaft of the unpowered roller.

6. The convenient placement and removal tool for transformer lead wire reels according to claim 5, characterized in that: The roller installation mechanism includes a support seat and a fixed screw. A pair of parallel support seats are welded on the supporting steel pipe. A circular through hole is set at the upper end of the support seat. The two ends of the inner shaft of the unpowered roller are rotatably installed in the circular through hole, and the fixed screw is screwed into the internal threaded holes at the two ends of the inner shaft.

7. The convenient placement and removal tool for transformer lead wire reels according to claim 1 is characterized in that: A measurement auxiliary component is arranged on the outer side surface of the bottom steel pipe of the rectangular tooling frame, and the measurement auxiliary component comprises: a steel wire rope, a fixed steel pipe with a through internal threaded hole, a connecting screw and an expansion plug cap. The fixed steel pipe is welded to the two ends of the outer side surface of the bottom steel pipe, a through hole is opened at the center position of the connecting screw, and the two ends of the steel wire rope are respectively passed through the internal threaded hole of the fixed steel pipe and the through hole of the connecting screw and then fixedly connected to the expansion plug cap.

8. The convenient placement and removal tool for transformer lead wire reels according to claim 1 is characterized in that: The rectangular tooling frame is a double-layer structure of upper and lower layers, and limit guard plates are arranged on the outer surfaces of the top four corners of the lower rectangular tooling frame. The limit guard plate is an L-shaped right-angle structure, and quick-plug pin holes are provided on both planes of the limit guard plate. A through hole corresponding to the size and position of the quick-plug pin hole is provided on the top side of the lower rectangular tooling frame. The limit guard plate is fixedly installed by inserting the quick-plug pin into the quick-plug pin hole and the through hole of the rectangular tooling frame, and the upper part of the limit guard plate is higher than the top of the lower rectangular tooling frame.

9. The convenient placement and removal tool for transformer lead wire reels according to claim 8, characterized in that: A quick-latch pin insertion hole corresponding to the bottom of the upper rectangular parallelepiped tooling frame is arranged on the upper part of the limiting guard plate, and a corresponding through hole is arranged at the bottom of the upper rectangular parallelepiped tooling frame.

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