Device for heat treatment of mutual inductor iron core

Abstract

The utility model discloses a device for heat treatment of mutual inductor iron cores, relates to the technical field of heat treatment of mutual inductor iron cores, and solves the problems that if iron cores with different inner diameters are sleeved outside an iron core bracket which is difficult to limit effectively, the iron cores may shake, so that friction between the iron cores and damage to the surfaces of the iron cores are caused, and an iron core protective coating is damaged; the utility model relates to the technical field of electric power equipment, in particular to an electric power equipment insulation device which comprises a base, a limiting mechanism comprises a supporting rod and a working groove, one end of a spring is fixedly provided with a limiting plate, and the outer side of the limiting plate is slidably connected to the inner side of the working groove. Under the action of elastic force, iron cores with different inner diameters can be effectively limited and controlled, and the iron cores are prevented from shaking, so that friction between the iron cores, damage to the surfaces of the iron cores, damage to protective coatings of the iron cores and reduction of insulation and corrosion resistance are prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of transformer core heat treatment, and particularly relates to a device for transformer core heat treatment. Background Art

[0002] An instrument transformer generally refers to a special-purpose transformer, which has two main uses: one is to expand the range of AC electrical instruments, and the other is to isolate high voltage and large current and convert them into low voltage and small current, which is used as a signal for relay protection, automatic devices, and control circuits.

[0003] The patent publication number "CN218333456U" discloses "a core for the heat treatment process of an instrument transformer core", including a base, a stud is rotatably connected to the upper surface of the base, and a plurality of core supports for placing cores are circumferentially and evenly distributed on the upper surface of the base. A cover plate is threadedly connected to the surface of the stud, and the cover plate can rise or fall along the stud. The cover plate is provided with first through holes respectively in clearance fit with a plurality of the core supports, and a through groove is opened near the top of the stud, and a handle is inserted into the through groove. The beneficial effects are as follows: through the setting of the core supports, it is convenient to horizontally place and vertically stack a plurality of cores and then fix them, increasing the furnace loading capacity and improving production efficiency; through the cooperation of the stud and the cover plate, it is convenient to fix the core, and the operation is simple; through the use of the detachable protective cover, it plays a role in limiting the core in the horizontal direction, and at the same time is convenient for the disassembly and assembly of the core, which is convenient to use.

[0004] In the device in the above patent, by then sequentially sleeving a plurality of cores to be heat-treated outside the core supports, if cores with different inner diameters are sleeved outside the core supports that are difficult to effectively limit the position, the cores may shake, resulting in friction between the cores and damage to the core surface, and destroying the core protective coating, reducing insulation and corrosion resistance and other problems. Summary of the Utility Model

[0005] (1) Technical Problems to be Solved

[0006] In view of the above problems existing in the prior art, the utility model provides a device for transformer core heat treatment.

[0007] (2) Technical Solutions

[0008] To achieve the above object, the utility model is realized through the following technical solutions: A device for transformer core heat treatment, including a base, a protection mechanism, an adjustment mechanism, and a limiting mechanism are respectively arranged above the base, and a control mechanism is arranged above the protection mechanism;

[0009] The limiting mechanism includes a support rod and working grooves. The working grooves are respectively opened on both sides of the support rod. One side of the inner wall of each working groove is fixedly installed with a spring. One end of each spring is fixedly installed with a limiting plate. The outer sides of the limiting plates are respectively slidably connected to the inner sides of the working grooves.

[0010] By adopting the above technical solution, the limiting plates respectively installed at one end can be effectively limited by the spring under the action of elastic force for iron cores with different inner diameters, preventing the iron cores from shaking, resulting in friction between the iron cores and damage to the surface of the iron cores, and destroying the protective coating of the iron cores, reducing the insulation and corrosion resistance. It solves the problems that if iron cores with different inner diameters are sleeved outside an iron core support that is difficult to effectively limit, the iron cores may shake, resulting in friction between the iron cores and damage to the surface of the iron cores, and destroying the protective coating of the iron cores, reducing the insulation and corrosion resistance.

[0011] As a preferred scheme of the device for heat treatment of transformer iron cores of the present utility model, the protective mechanism includes a protective cover and through holes. The through holes are respectively opened on the outer surface of the protective cover and penetrate the inner wall surface. Limiting strips are respectively fixedly installed on the inner wall surface of the protective cover. Limiting blocks are respectively fixedly installed at the top of the protective cover. A cover plate is placed above the protective cover. Limiting holes are respectively opened on the bottom surface of the cover plate. One end of each limiting block is inserted into the inside of the limiting hole.

[0012] By adopting the above technical solution, through the limiting holes respectively opened on the bottom surface of the cover plate, the limiting blocks respectively installed at the top of the protective cover can be effectively clamped inside, which can effectively play a certain limiting effect to prevent the cover plate from shaking.

[0013] As a preferred scheme of the device for heat treatment of transformer iron cores of the present utility model, the adjusting mechanism includes a screw rod. A lifting plate is screwed on the outer side of the screw rod. A hand wheel is fixedly installed at the top of the screw rod. Grooves penetrating the bottom surface are respectively opened on the surface of the lifting plate.

[0014] By adopting the above technical solution, rotating the hand wheel can effectively drive the screw rod installed at the bottom to rotate. The rotating screw rod can effectively drive the lifting plate screwed on the outer side to move up and down. The lifting plate moving up and down can effectively control the position of the iron core to be heat-treated further.

[0015] As a preferred scheme of the device for heat treatment of transformer iron cores of the present utility model, the top of the protective cover of the protective mechanism is clamped on the top of the base. The bottom ends of the screw rods of the adjusting mechanism respectively penetrate the surface and the bottom surface of the cover plate and are rotatably connected to the inside of the top surface of the base. The outer sides of the lifting plates are respectively slidably connected to the inner wall of the protective cover and the outside of the limiting strips.

[0016] By adopting the above technical solution, the base can effectively provide an effective and stable working position for the screw rod rotatably connected inside the top surface and respectively penetrating the cover plate surface and the bottom surface.

[0017] As a preferred solution of the device for heat treatment of the transformer core of the present utility model, wherein the bottom ends of the support rods of the limiting mechanism respectively penetrate the notch surface and the bottom surface of the adjusting mechanism and are fixedly installed on the top surface of the base, and the top ends of the support rods respectively penetrate the bottom surface and the surface of the cover plate of the protection mechanism.

[0018] By adopting the above technical solution, the cover plate can effectively provide a stable limiting control effect for the support rods respectively penetrating the bottom surface and the surface, preventing the support rods from tilting and the like.

[0019] As a preferred solution of the device for heat treatment of the transformer core of the present utility model, wherein the control mechanism includes a control block and a chuck, the top ends of the chucks are respectively clamped inside the bottom surface of the control block, the bottom ends of the control blocks are respectively hinged to the outside of the protective cover of the protection mechanism, and the bottom ends of the chucks are respectively fixedly installed on the surface of the cover plate.

[0020] By adopting the above technical solution, through the chucks respectively clamped inside the bottom surface of the control block, the protection effect can be effectively further increased, preventing the cover plate from falling off and the like.

[0021] (III) Beneficial effects

[0022] The present utility model provides a device for heat treatment of a transformer core. It has the following beneficial effects:

[0023] 1. By adding a limiting mechanism, through the spring, the limiting plates respectively installed at one end can effectively limit and control the iron cores with different inner diameters under the action of elastic force, realizing the prevention of the iron cores from shaking, resulting in friction between the iron cores and damage to the surface of the iron cores, and damaging the protective coating of the iron cores, reducing the insulation and corrosion resistance. It solves the problems that if iron cores with different inner diameters are sleeved outside the iron core support that is difficult to effectively limit, the iron cores may shake, resulting in friction between the iron cores and damage to the surface of the iron cores, and damaging the protective coating of the iron cores, reducing the insulation and corrosion resistance.

[0024] 2. By adding a protection mechanism, through the limiting holes respectively opened on the bottom surface of the cover plate, the limiting blocks respectively installed at the top end of the protective cover can be effectively clamped inside, which can effectively play a certain limiting effect to prevent the cover plate from shaking and the like. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0026] Figure 1 It is a main structural schematic diagram of the entire utility model.

[0027] Figure 2 It is a front view structural schematic diagram of the entire utility model.

[0028] Figure 3 It is a left-side half-section structural schematic diagram of the utility model as a whole.

[0029] Figure 4 It is a right side half-section structural schematic diagram of the utility model as a whole.

[0030] Figure 5 It is an enlarged structural schematic diagram of point A of the utility model as a whole.

[0031] In the figure, 1. base; 2. protection mechanism; 21. protection cover; 22. through hole; 23. limit strip; 24. limit block; 25. cover plate; 26. limit hole; 3. adjustment mechanism; 31. screw; 32. lifting plate; 33. hand wheel; 34. notch; 4. limit mechanism; 41. support rod; 42. working groove; 43. spring; 44. limit plate; 5. control mechanism; 51. control block; 52. clamping head. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0033] Example 1

[0034] Reference Figures 1 to 5 , which is the first embodiment of the utility model, and provides a device for heat treatment of transformer core, including a base 1, a protection mechanism 2, an adjustment mechanism 3 and a limit mechanism 4 are respectively arranged above the base 1, and a control mechanism 5 is arranged above the protection mechanism 2;

[0035] The limiting mechanism 4 includes a support rod 41 and a working groove 42. The working grooves 42 are respectively opened on both sides of the support rod 41. A spring 43 is fixedly installed on one side of the inner wall of the working groove 42. A limiting plate 44 is fixedly installed on one end of the spring 43. The outer side of the limiting plate 44 is slidably connected to the inner side of the working groove 42.

[0036] Specifically, the protection mechanism 2 includes a protective cover 21 and through holes 22. The through holes 22 are respectively opened on the outer surface of the protective cover 21 and penetrate through the inner wall surface. Limiting strips 23 are respectively fixedly installed on the inner wall surface of the protective cover 21, and limiting blocks 24 are respectively fixedly installed at the top of the protective cover 21. A cover plate 25 is placed above the protective cover 21. Limiting holes 26 are respectively opened on the bottom surface of the cover plate 25. One ends of the limiting blocks 24 are respectively inserted into the limiting holes 26. The adjusting mechanism 3 includes a screw rod 31. A lifting plate 32 is screwed on the outer side of the screw rod 31. A hand wheel 33 is fixedly installed at the top of the screw rod 31. Grooves 34 penetrating through the bottom surface are respectively opened on the surface of the lifting plate 32.

[0037] Furthermore, the limiting mechanism 4 can effectively limit and control iron cores with different inner diameters through springs 43 respectively installed on one side of the inner wall of the working groove 42 and then through limiting plates 44 installed at one ends of the springs 43. Under the action of elastic force, it realizes the prevention of the iron cores from shaking, resulting in friction between the iron cores and damage to the surface of the iron cores, and also destroys the protective coating of the iron cores, reducing the insulation and corrosion resistance. The working grooves 42 are respectively opened on both sides of the support rods 41.

[0038] The protection mechanism 2 can effectively make the limiting blocks 24 respectively installed at the top of the protective cover 21 be clamped inside through the limiting holes 26 respectively opened on the bottom surface of the cover plate 25, which can effectively play a certain limiting effect to prevent the cover plate 25 from shaking, etc. The through holes 22 respectively opened on the outer surface of the protective cover 21 and penetrating through the inner wall surface facilitate the full entry of heat into the interior during the heat treatment process to improve the heat treatment effect of the iron cores.

[0039] The adjusting mechanism 3 can effectively drive the screw rod 31 installed at the bottom end to rotate by rotating the hand wheel 33. The rotating screw rod 31 can effectively drive the lifting plate 32 screwed on the outer side to move up and down. The lifting plate 32 moving up and down can effectively further control the position of the iron cores to be heat-treated.

[0040] Embodiment 2

[0041] Referring to Figures 1 to 5 , which is the first embodiment of the present utility model. Based on the previous embodiment, the top of the protective cover 21 of the protection mechanism 2 is clamped on the top of the base 1. The bottom ends of the screw rods 31 of the adjusting mechanism 3 respectively penetrate through the surface and the bottom surface of the cover plate 25 and are rotatably connected to the inner part of the top surface of the base 1. The outer sides of the lifting plates 32 are respectively slidably connected to the inner wall of the protective cover 21 and the outer sides of the limiting strips 23. The bottom ends of the support rods 41 of the limiting mechanism 4 respectively penetrate through the surface and the bottom surface of the grooves 34 of the adjusting mechanism 3 and are fixedly installed on the top surface of the base 1. The top ends of the support rods 41 respectively penetrate through the bottom surface and the surface of the cover plate 25 of the protection mechanism 2.

[0042] Specifically, the control mechanism 5 includes a control block 51 and a chuck 52. The top ends of the chucks 52 are respectively clamped inside the bottom surface of the control block 51. The bottom ends of the control block 51 are respectively hinged to the outer side of the protective cover 21 of the protection mechanism 2. The bottom ends of the chucks 52 are respectively fixedly installed on the surface of the cover plate 25.

[0043] Furthermore, through the chucks 52 respectively clamped inside the bottom surface of the control block 51, the control mechanism 5 can effectively further enhance the protection effect and prevent the cover plate 25 from falling off. The bottom ends of the control block 51 are respectively hinged to the outer side of the protective cover 21 of the protection mechanism 2, and the bottom ends of the chucks 52 are respectively installed on the surface of the cover plate 25.

[0044] Working principle: Through the limiting holes 26 respectively opened on the bottom surface of the cover plate 25, the protection mechanism 2 can effectively make the limiting blocks 24 respectively installed on the top end of the protective cover 21 be clamped inside, which can effectively play a certain limiting effect to prevent the cover plate 25 from shaking. The through holes 22 respectively opened on the outer surface of the protective cover 21 and penetrating the inner wall surface facilitate the full entry of heat into the interior during the heat treatment process to improve the heat treatment effect of the iron core. The top end of the protective cover 21 is clamped on the top of the base 1.

[0045] By rotating the handwheel 33, the adjustment mechanism 3 can effectively drive the rotation of the screw rod 31 installed at the bottom end. The rotating screw rod 31 can effectively drive the lifting plate 32 screwed on the outside to move up and down. The lifting plate 32 moving up and down can effectively further control the position of the iron core to be heat-treated. The bottom ends of the screw rods 31 respectively penetrate the surface and the bottom surface of the cover plate 25 and are rotatably connected to the inner part of the top surface of the base 1. The outer sides of the lifting plates 32 are respectively slidably connected to the inner wall of the protective cover 21 and the outside of the limiting strips 23, and the limiting strips 23 are respectively installed on the inner wall surface of the protective cover 21.

[0046] Through the springs 43 respectively installed on one side of the inner wall of the working groove 42, and then through the limiting plates 44 installed at one end of the springs 43, the limiting mechanism 4 can effectively limit and control iron cores with different inner diameters under the action of elastic force, preventing the iron cores from shaking, resulting in friction between the iron cores and damage to the surface of the iron cores, and destroying the protective coating of the iron cores, reducing the insulation and corrosion resistance. The working grooves 42 are respectively opened on both sides of the support rods 41. The bottom ends of the support rods 41 respectively penetrate the surface and the bottom surface of the notch 34 of the adjustment mechanism 3 and are installed on the top surface of the base 1. The top ends of the support rods 41 respectively penetrate the bottom surface and the surface of the cover plate 25 of the protection mechanism 2.

[0047] Through the chucks 52 respectively clamped inside the bottom surface of the control block 51, the control mechanism 5 can effectively further enhance the protection effect and prevent the cover plate 25 from falling off. The bottom ends of the control block 51 are respectively hinged to the outer side of the protective cover 21 of the protection mechanism 2, and the bottom ends of the chucks 52 are respectively installed on the surface of the cover plate 25.

[0048] Note that in this document, relational terms such as first and second are used solely to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations.

Claims

1. An apparatus for heat treatment of a transformer core, comprising a base (1), characterized in that: Above the base (1), a protection mechanism (2), an adjustment mechanism (3) and a limit mechanism (4) are respectively arranged, and a control mechanism (5) is arranged above the protection mechanism (2); The limit mechanism (4) includes a support rod (41) and a working groove (42). The working grooves (42) are respectively opened on both sides of the support rod (41). On one side of the inner wall of the working groove (42), springs (43) are respectively fixedly installed. One end of each spring (43) is respectively fixedly installed with a limit plate (44), and the outer sides of the limit plates (44) are respectively slidably connected to the inner side of the working groove (42).

2. The device for heat treatment of the transformer core according to claim 1, characterized in that: The protection mechanism (2) includes a protective cover (21) and through holes (22). The through holes (22) are respectively opened on the outer surface of the protective cover (21) and penetrate through the inner wall surface. On the inner wall surface of the protective cover (21), limit strips (23) are respectively fixedly installed. At the top of the protective cover (21), limit blocks (24) are respectively fixedly installed. A cover plate (25) is placed above the protective cover (21). Limit holes (26) are respectively opened on the bottom surface of the cover plate (25), and one end of each limit block (24) is respectively inserted into the limit hole (26).

3. The device for heat treatment of the transformer core according to claim 1, characterized in that: The adjustment mechanism (3) includes a screw rod (31). A lifting plate (32) is screwed on the outer side of the screw rod (31). A hand wheel (33) is fixedly installed at the top of the screw rod (31). Groove openings (34) penetrating through the bottom surface are respectively opened on the surface of the lifting plate (32).

4. A device for heat treatment of an instrument transformer core according to claim 3, characterized in that: The top of the protective cover (21) of the protection mechanism (2) is clamped on the top of the base (1). The bottom ends of the screw rods (31) of the adjustment mechanism (3) respectively penetrate through the surface and the bottom surface of the cover plate (25) and are rotatably connected to the inner part of the top surface of the base (1). The outer sides of the lifting plates (32) are respectively slidably connected to the inner wall of the protective cover (21) and the outer sides of the limit strips (23).

5. A device for heat treatment of an instrument transformer core according to claim 3, characterized in that: The bottom ends of the support rods (41) of the limit mechanism (4) respectively penetrate through the surface and the bottom surface of the groove opening (34) of the adjustment mechanism (3) and are fixedly installed on the top surface of the base (1). The top ends of the support rods (41) respectively penetrate through the bottom surface and the surface of the cover plate (25) of the protection mechanism (2).

6. A device for heat treatment of an instrument transformer core according to claim 1, characterized in that: The control mechanism (5) includes a control block (51) and a chuck (52). The top ends of the chucks (52) are respectively clamped inside the bottom surface of the control block (51). The bottom ends of the control blocks (51) are respectively hinged to the outer side of the protective cover (21) of the protection mechanism (2). The bottom ends of the chucks (52) are respectively fixedly installed on the surface of the cover plate (25).

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