CN213141178U - Transformer on-load switch hanging core device - Google Patents
Transformer on-load switch hanging core device Download PDFInfo
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- CN213141178U CN213141178U CN202022065598.6U CN202022065598U CN213141178U CN 213141178 U CN213141178 U CN 213141178U CN 202022065598 U CN202022065598 U CN 202022065598U CN 213141178 U CN213141178 U CN 213141178U
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Abstract
A core hanging device for an on-load switch of a transformer. The utility model relates to a transformer overhauls technical field, concretely relates to transformer has load switch to hang core device. The transformer on-load switch suspended core device is economical, efficient and suitable for various working conditions. The utility model discloses still consider the convenience of overhauing after the hoist and mount, set up fixture, pack up the centre gripping arm during hoist and mount, put down the centre gripping arm after hoist and mount required height and carry the iron core, fixture has telescopic centre gripping arm and clamping jaw with adjustable angle, is convenient for effectively fix not unidimensional transformer core. The iron core is lifted easily by controlling the lifting wheels, the operation difficulty of the lifting core is reduced, and the working efficiency is improved; each part of the core hanging device is movably connected, so that the core hanging device is convenient to disassemble, store and assemble, and is suitable for various working conditions such as emergency inspection, narrow operation space and the like; and the structure is simple, and the manufacturing cost is low.
Description
Technical Field
The utility model relates to a transformer overhauls technical field, concretely relates to transformer has load switch to hang core device.
Background
The on-load switch of the transformer is a voltage regulating device for changing the tapping position of a transformer winding, and in order to ensure the normal operation of the on-load switch of the transformer, the on-load switch of the transformer needs to be periodically overhauled by a hanging core.
In the prior art, the maintenance of the transformer lifting core is mainly realized by manual lifting, crane lifting, hydraulic lifting, complete machine return to a factory and the like. The manual hoisting operation is difficult, the efficiency is low, and the hidden danger of personnel injury exists; the crane needs a large operation space for hoisting, and the crane body is close to the electrified body, so that the potential safety hazard of electric power exists; the maintenance method for hydraulic lifting and returning the whole machine to the factory has higher cost.
Therefore, how to conveniently and economically overhaul the on-load switch of the transformer is a technical problem which needs to be solved urgently at present.
Disclosure of Invention
The utility model provides an above problem, provide an economy, high efficiency and be suitable for the transformer of multiple operating mode and have load switch hanging core device.
The technical scheme of the utility model is that:
the transformer on-load switch suspended core device comprises a supporting mechanism, a hoisting mechanism and two groups of clamping mechanisms;
the supporting mechanism comprises a cross arm, a pair of Y-shaped supports and a pair of bases, the Y-shaped supports are symmetrically arranged, the upper ends of the Y-shaped supports are movably connected with the cross arm, the lower ends of the Y-shaped supports are connected with the bases, the bases are provided with support holes, the Y-shaped supports are arranged in the support holes, and the bases are arranged on a flange plate of the transformer on-load switch;
the hoisting mechanism comprises a hoist, a hoisting wheel and a chain, the hoist is hung on the cross arm, the hoisting wheel is connected with one Y-shaped bracket, the chain is wound on the hoist and the hoisting wheel, and one end of the chain is connected with a lifting hook;
two sets of fixture symmetry sets up, fixture includes the support cover and establishes a pair of centre gripping arm in support cover both sides, Y shape support is established in the trepanning of support cover, the centre gripping arm is including the canned paragraph, spring and the flexible section that set gradually, the canned paragraph connects the support cover, the outer end of flexible section is equipped with the clamping jaw.
Further, fixed section upper portion is equipped with the ear, the ear is connected the leg sleeve, the outside of leg sleeve is equipped with the dog.
Further, the clamping jaw is movably connected with the telescopic section.
Further, the base includes left support and right support, left side support and right support all have L shape bottom plate, down tube and sleeve, the down tube is connected L shape bottom plate and sleeve, the overlap joint about the corner of the L shape bottom plate of left side support and right support, the long end of L shape bottom plate is equipped with the locating hole, set up fastening bolt in the locating hole.
Further, the base still includes adjusting part, adjusting part includes the screw rod and a pair of screw of a swivel nut, a pair of adaptation, screw rod one end stretches into the swivel nut, the other end is connected the screw, adjusting part connects the stub of the L shape bottom plate of left branch seat and right branch seat, the stub be equipped with the regulation hole that the screw matches.
Furthermore, a tool hook is arranged on the Y-shaped support.
The core hanging device of the transformer on-load switch of the utility model is movably connected with the cross arm through the Y-shaped bracket, and the size of the core hanging device can be adjusted in the horizontal direction so as to be suitable for the transformer on-load switches with different diameters; the utility model discloses consider that the transformer has screw interval difference on the ring flange of load switch, set up contained angle adjustable base for the lifting core device is reliably connected with the ring flange.
The utility model discloses still consider the convenience of overhauing after the hoist and mount, set up fixture, pack up the centre gripping arm during hoist and mount, put down the centre gripping arm after hoist and mount required height and carry the iron core, fixture has telescopic centre gripping arm and clamping jaw with adjustable angle, is convenient for effectively fix not unidimensional transformer core.
The iron core is lifted easily by controlling the lifting wheels, the operation difficulty of the lifting core is reduced, and the working efficiency is improved; each part of the core hanging device is movably connected, so that the core hanging device is convenient to disassemble, store and assemble, and is suitable for various working conditions such as emergency inspection, narrow operation space and the like; and the structure is simple, and the manufacturing cost is low.
Drawings
Figure 1 is a schematic structural view of the present invention,
figure 2 is a schematic view of the assembly of the clamping mechanism of the present invention,
figure 3 is a right side view of figure 2,
figure 4 is a front view of figure 2,
figure 5 is a perspective view of the bracket sleeve of the present invention,
figure 6 is a schematic structural view of the base in the present invention,
figure 7 is a left side view of figure 6,
figure 8 is a front view of figure 6,
fig. 9 is a schematic structural diagram of the adjusting assembly of the present invention.
In the figure: 1-supporting mechanism, 11-cross arm, 111-anti-slip ring, 12-Y-shaped support, 121-vertical section, 13-base, 130-support hole, 131-left support, 132-right support, 133-positioning hole, 134-adjusting hole, 135-adjusting component, 1351-screw, 1352-screw sleeve, 1353-screw and 14-tool hook;
2-a hoisting mechanism, 21-a hoist, 22-a hoisting wheel, 23-a chain and 24-a lifting hook;
3-clamping mechanism, 31-clamping arm, 311-fixing section, 3110-ear, 312-spring, 313-telescopic section, 314-clamping jaw, 32-bracket sleeve, 320-trepanning hole and 321-stop block;
41-flange plate, 42-iron core.
The broken line in fig. 4 represents the initial state of the clamp arm.
Detailed Description
The utility model is further explained below with reference to the attached figures 1-9, the transformer on-load switch core-hanging device of the utility model,
the device comprises a supporting mechanism 1, a hoisting mechanism 2 and two groups of clamping mechanisms 3;
the supporting mechanism 1 comprises a cross arm 11, a pair of Y-shaped supports 12 which are symmetrically arranged and a pair of bases 13 which are symmetrically arranged, the upper ends of the Y-shaped supports 12 are cylindrical and sleeved on the cross arm 11, the cylindrical structure can slide on the cross arm 11, a plurality of screw holes are formed in the cylindrical structure and the cross arm 11, the cylindrical structure and the cross arm 11 are slidably adjusted to a required size, and the cylindrical structure and the cross arm 11 are fixed through matched bolts; the lower end of the Y-shaped support 12 is connected with a base 13, the base 13 is provided with a support hole 130, a vertical section 121 of the Y-shaped support 12 is arranged in the support hole 130, and the base 13 is arranged on a flange plate 41 of the transformer on-load switch;
the hoisting mechanism 2 comprises a hoisting block 21, a hoisting wheel 22 and a chain 23, the hoisting block 21 is hung on the cross arm 11 and is fixed in position through an anti-slip ring 111, the hoisting wheel 22 is connected to a Y-shaped bracket 12, the chain 23 is wound on the hoisting block 21 and the hoisting wheel 22, one end of the chain 23 is connected with a lifting hook 24, a handle of the hoisting wheel 22 is rotated, and the chain 23 slides to drive the lifting hook 24 to move upwards or downwards;
the two groups of clamping mechanisms are symmetrically arranged, each clamping mechanism 3 comprises a support sleeve 32 and a pair of clamping arms 31 arranged on two sides of the support sleeve 32, the lower end of the vertical section 121 of the Y-shaped support 12 is arranged in a sleeve hole 320 of the support sleeve 32, each clamping arm 31 comprises a fixed section 311, a spring 312 and an expansion section 313 which are sequentially arranged, the fixed section 311 is connected with the support sleeve 32, a clamping jaw 314 is arranged at the outer end of the expansion section 313, a guide rod with the diameter smaller than the inner diameter of the spring 312 can be arranged on the fixed section 311, and the guide rod extends into the spring 312 to prevent the spring 312 from deforming in the axial direction; when the iron core 42 is lifted, the clamping arm 31 is folded, and after the lifting is finished, the clamping arm 31 is put down, so that the four clamping jaws 314 of the two groups of clamping mechanisms 3 clamp the iron core 42 to be horizontally and stably fixed.
An ear part 3110 is arranged at the upper part of the fixed section 311, the ear part 3110 is connected with the support sleeve 32 and the Y-shaped support 12 through a bolt, the ear part 3110 can rotate around the bolt, a stop 321 is arranged at the outer side of the support sleeve 32, and the stop 321 is used for stopping the clamping arm 31 from rotating downwards, so that the clamping arm 31 rotates to be vertical to the Y-shaped support 12 at most after being put down; during hoisting, the clamping arm 31 is retracted to be parallel to the Y-shaped support 12, so that the iron core 42 is prevented from interfering with vertical movement; after the hoisting is completed, the clamping arm 31 is put down, so that the clamping jaws 314 clamp the fixed iron core 42, and the maintenance is convenient.
The clamping jaw 314 is movably connected with the telescopic section 313, so that the clamping jaw 314 and the telescopic section 313 can form different included angles, which is convenient for clamping iron cores 42 with different sizes, and the specific connection mode is not limited herein.
The base 13 further comprises an adjusting assembly 135, the adjusting assembly 135 comprises a threaded sleeve 1352, a pair of adaptive threaded rods 1351 and a pair of screws 1353, one end of each threaded rod 1351 extends into the threaded sleeve 1352, the other end of each threaded rod 1351 is in a ring-shaped and ring-shaped structure and is provided with the corresponding screw 1353, the adjusting assembly 135 is connected with the short ends of the L-shaped bottom plates of the left support 131 and the right support 132, and each short end is provided with an adjusting hole 134 matched with the corresponding screw 1353; the screw-in depths of the screws 1351 on the two sides of the screw sleeve 1352 are different, so that the short ends of the L-shaped bottom plates of the left support and the right support with different included angles are fixed, the stress at the positioning hole 133 at the long end of the L-shaped bottom plate is dispersed, the fastening bolt is prevented from loosening, and the connection reliability of the base 13 and the flange plate 41 is enhanced.
The Y-shaped support 12 is provided with a tool hook 14, so that an operator can conveniently take or place a maintenance tool temporarily.
The disclosure of the present application also includes the following points:
(1) the drawings of the embodiments disclosed herein only relate to the structures related to the embodiments disclosed herein, and other structures can refer to general designs;
(2) in case of conflict, the embodiments and features of the embodiments disclosed in this application can be combined with each other to arrive at new embodiments;
the above embodiments are only examples disclosed in the present application, but the scope of the present disclosure is not limited thereto, and those skilled in the art should be able to change some of the technical features of the present disclosure within the scope of the present application.
Claims (6)
1. The core hanging device of the on-load switch of the transformer is characterized by comprising a supporting mechanism, a hoisting mechanism and two groups of clamping mechanisms;
the supporting mechanism comprises a cross arm, a pair of Y-shaped supports and a pair of bases, the Y-shaped supports are symmetrically arranged, the upper ends of the Y-shaped supports are movably connected with the cross arm, the lower ends of the Y-shaped supports are connected with the bases, the bases are provided with support holes, the Y-shaped supports are arranged in the support holes, and the bases are arranged on a flange plate of the transformer on-load switch;
the hoisting mechanism comprises a hoist, a hoisting wheel and a chain, the hoist is hung on the cross arm, the hoisting wheel is connected with one Y-shaped bracket, the chain is wound on the hoist and the hoisting wheel, and one end of the chain is connected with a lifting hook;
two sets of fixture symmetry sets up, fixture includes the support cover and establishes a pair of centre gripping arm in support cover both sides, Y shape support is established in the trepanning of support cover, the centre gripping arm is including the canned paragraph, spring and the flexible section that set gradually, the canned paragraph connects the support cover, the outer end of flexible section is equipped with the clamping jaw.
2. The transformer on-load switch suspended core device according to claim 1, wherein an ear part is arranged at the upper part of the fixed section, the ear part is connected with the bracket sleeve, and a stop block is arranged at the outer side of the bracket sleeve.
3. The transformer on-load switch core-hanging device according to claim 1, wherein the clamping jaw is movably connected with the telescopic section.
4. The transformer on-load switch suspended core device according to claim 1, wherein the base comprises a left support and a right support, the left support and the right support are respectively provided with an L-shaped bottom plate, a diagonal rod and a sleeve, the diagonal rod is connected with the L-shaped bottom plate and the sleeve, corners of the L-shaped bottom plates of the left support and the right support are overlapped up and down, a positioning hole is formed in a long end of the L-shaped bottom plate, and a fastening bolt is arranged in the positioning hole.
5. The transformer on-load switch suspended core device according to claim 4, wherein the base further comprises an adjusting component, the adjusting component comprises a threaded sleeve, a pair of adaptive threaded rods and a pair of screws, one end of each threaded rod extends into the threaded sleeve, the other end of each threaded rod is connected with the corresponding screw, the adjusting component is connected with the short ends of the L-shaped bottom plates of the left support and the right support, and the short ends are provided with adjusting holes matched with the screws.
6. The transformer on-load switch core-hanging device according to claim 1, wherein a tool hook is arranged on the Y-shaped support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022065598.6U CN213141178U (en) | 2020-09-18 | 2020-09-18 | Transformer on-load switch hanging core device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022065598.6U CN213141178U (en) | 2020-09-18 | 2020-09-18 | Transformer on-load switch hanging core device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213141178U true CN213141178U (en) | 2021-05-07 |
Family
ID=75717644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022065598.6U Active CN213141178U (en) | 2020-09-18 | 2020-09-18 | Transformer on-load switch hanging core device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213141178U (en) |
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2020
- 2020-09-18 CN CN202022065598.6U patent/CN213141178U/en active Active
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