CN210048359U - 8-shaped winding hoisting frame for transformer - Google Patents
8-shaped winding hoisting frame for transformer Download PDFInfo
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- CN210048359U CN210048359U CN201920588456.2U CN201920588456U CN210048359U CN 210048359 U CN210048359 U CN 210048359U CN 201920588456 U CN201920588456 U CN 201920588456U CN 210048359 U CN210048359 U CN 210048359U
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Abstract
The utility model discloses a transformer 8-shaped winding hoisting frame, which comprises a hoisting cross beam, a main transformer screw rod, a series transformer screw rod, a main transformer hook and a series transformer hook; the hoisting cross beam is respectively provided with a main transformer screw and a series transformer screw, a main transformer sliding block is fixed on the main transformer screw, a main transformer lifting hook is fixed on the main transformer sliding block, a series transformer sliding block is fixed on the series transformer screw, and a series transformer lifting hook is fixed on the series transformer sliding block; the hoisting cross beam comprises a transverse plate and a step plate; the diaphragm passes through step fixed connection and forms ladder frame structure isotructure, when lifting operation through this hoist and mount frame, through adjusting the distance of main transformer lifting hook and cluster change lifting hook and for the position of hoist and mount crossbeam to realize the steady hoist and mount process of electric furnace transformer "8" font winding, improved the factor of safety of "8" font winding dismouting operation, guarantee personal safety.
Description
Technical Field
The utility model relates to a hoist and mount subassembly, concretely relates to 8 font windings of transformer hoist and mount frame.
Background
At present, when an electric furnace transformer is manufactured and maintained, a transformer winding is often required to be disassembled and assembled, an 8-shaped winding of the electric furnace transformer is usually arranged on the outermost layer of the winding and is formed by connecting a main transformer low-voltage winding and a series transformer low-voltage winding in an 8 shape, and when the transformer is overhauled, the 8-shaped low-voltage winding needs to be lifted out for subsequent work. Because the main transformer winding and the series transformer winding of the 8-shaped winding are respectively sleeved on a main transformer core column and a series transformer core column, the center distance between the main transformer winding and the series transformer winding of the 8-shaped winding of each transformer and asymmetric factors such as different specific gravities of the two parts result in asynchronous displacement in the vertical direction of the main transformer and the series transformer part of the 8-shaped winding in the hoisting process, the integral displacement of the winding deviates from the vertical direction, the 8-shaped winding is rubbed with other parts, quality accidents such as insulation wear, stress deformation and the like are caused, and meanwhile, in the hoisting process, the falling accident of the coil is easily caused due to uneven stress of the coil, and personal injury is caused.
Disclosure of Invention
An object of the utility model is to provide a transformer 8 font winding hoist and mount frame, when hoisting the operation through this hoist and mount frame, according to "8" font winding main transformer winding becomes winding centre-to-centre spacing and two parts proportion difference with the cluster, adjust the main distance that becomes the lifting hook and cluster and for the position of hoist and mount crossbeam to realize the steady hoist and mount process of electric furnace transformer "8" font winding, improved the factor of safety of "8" font winding dismouting operation, guarantee personal safety. The working efficiency is improved to three times, and the insulation damage probability of the 8-shaped winding of the transformer in the hoisting process is reduced.
In order to solve the problems, the 8-shaped winding hoisting frame of the transformer is designed, and comprises a hoisting cross beam, a main transformer screw rod, a series transformer screw rod, a main transformer lifting hook and a series transformer lifting hook; the device is characterized in that a main transformer screw and a series transformer screw are respectively arranged on the hoisting crossbeam, a main transformer sliding block is fixed on the main transformer screw, a main transformer lifting hook is fixed on the main transformer sliding block, a series transformer sliding block is fixed on the series transformer screw, and a series transformer lifting hook is fixed on the series transformer sliding block;
the hoisting cross beam comprises a transverse plate and a step plate; the transverse plates are fixedly connected through the ladder plates to form a ladder frame structure, and a main transformer screw rod is arranged between the ladder plates on one side of the hoisting cross beam along the axial direction; a series variable screw is arranged between the ladder boards on the other side of the hoisting beam along the axial direction;
a threaded hole is formed in the main transformer sliding block in a run-through mode, and the threaded hole is installed in a matched mode with a main transformer screw; the string transformer sliding block is provided with a threaded hole in a run-through manner, and the threaded hole is matched with the string transformer screw;
the main transformer lifting hook comprises a main transformer lifting shaft and a main transformer lifting platform; the main transformer hanging shaft is vertically and downwards vertical and is fixedly connected with a main transformer sliding block; the main transformer hanging scaffold and the main transformer hanging shaft are fixedly installed; clamping grooves are uniformly and symmetrically arranged on the main transformer hanging scaffold;
the string transformation lifting hook comprises a string transformation lifting shaft and a string transformation lifting platform, and the string transformation lifting shaft is vertically and downwards vertical and fixedly connected with the string transformation sliding block; the serial transformer hanging scaffold and the serial transformer hanging shaft are fixedly installed; the serial transformer hanging scaffold is uniformly and symmetrically provided with clamping grooves.
Preferably, four step boards are arranged on the transverse board.
Preferably, the two ends of the main transformer screw rod are fixedly installed with the ladder plate through bearings, and one end of the main transformer screw rod is processed into a regular hexagonal shape, so that the main transformer screw rod can be conveniently rotated and adjusted by a wrench.
Preferably, the two ends of the string variable screw are fixedly mounted with the step plate through bearings, and one end of the string variable screw is processed into a regular hexagonal shape, so that the string variable screw can be conveniently adjusted by a wrench.
Preferably, the main transformer hanging scaffold and the serial transformer hanging scaffold are provided with chain hooks on the clamping grooves, the hanging hole positions on the 8-shaped windings of the transformers with different specifications are different, and the chain hooks are fixed in the clamping grooves closest to the positions right above the clamping grooves according to the hanging hole positions of the 8-shaped windings of the transformers.
Preferably, hoisting holes are symmetrically formed in two ends of the hoisting cross beam, the hook is fixedly connected with the fixed hoisting hole through a steel wire rope, and the hook is located at the center of the steel wire rope.
Preferably, the middle parts of the main transformer hanging scaffold and the serial transformer hanging scaffold are provided with shaft holes, the main transformer hanging shaft and the serial transformer hanging shaft penetrate through the shaft holes to be fixed with the main transformer hanging scaffold and the serial transformer hanging scaffold, and the free ends of the main transformer hanging scaffold and the serial transformer hanging scaffold are welded with clamping blocks.
The utility model has the advantages that the distance between the main transformer winding hook and the series transformer winding hook and the relative positions of the two hooks and the hoisting beam are accurately adjusted by rotating the screw rod installed in the hoisting beam, so that the 8-shaped winding ensures the vertical state in the hoisting process, the winding dismounting process is more stable and smooth, the safety factor of coil hoisting operation is increased, and the mechanical stress and the insulation scratch of the 8-shaped winding in the dismounting process are reduced; the method is mainly suitable for 8-shaped windings with asymmetric structures and serious gravity center shift; in addition, the distance between the double hooks is accurately adjusted by adopting the turnbuckle transmission device, and the position arrangement of the double hooks enables the stress to be more balanced during hoisting and the safety to be better.
Drawings
Fig. 1 is a schematic side view of the present invention.
Fig. 2 is a schematic perspective view of the present invention.
Fig. 3 is a schematic view of the hanging scaffold mounting structure of the present invention.
Fig. 4 is a schematic view of the slider structure of the present invention.
In the figure, a hoisting cross beam 1, a transverse plate 1-1, a ladder plate 1-2, a main transformer screw rod 2, a main transformer lifting hook 3, a main transformer lifting shaft 3-1, a main transformer lifting disk 3-2, a series transformer lifting hook 4, a series transformer lifting shaft 4-1, a series transformer lifting disk 4-2, a main transformer sliding block 5, a series transformer sliding block 6, a threaded hole 7, a clamping groove 8 and a series transformer screw rod 9.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The utility model designs a transformer 8-shaped winding hoisting frame, which mainly comprises a hoisting crossbeam 1, a main transformer screw rod 2, a main transformer hook 3 and a series transformer hook 4; wherein the hoisting crossbeam 1 is respectively provided with a main transformer screw 2 and a serial transformation screw 9, a main transformer slide block 5 is arranged (screwed) on the main transformer screw 2, a main transformer hook 3 is fixed on the main transformer slide block 5, a serial transformation slide block 6 is fixed on the serial transformation screw 9, and a serial transformation hook 4 is fixed on the serial transformation slide block 6;
wherein, the hoisting crossbeam 1 comprises two transverse plates 1-1 and four step plates 1-2; the transverse plate 1-1 is fixedly connected through the ladder plates 1-2 in a welding mode to form a ladder frame structure, two ladder plates 1-2 are welded between the left side and the right side of the transverse plate 1-1 respectively, a shaft hole is formed in the middle of each ladder plate 1-2, and a main transformer screw rod 2 is installed between the ladder plates 1-2 (the shaft holes) on one side of the hoisting cross beam 1 in the axial direction through a bearing; a series variable screw 9 is arranged between the ladder boards 1-2 (shaft holes) on the other side of the hoisting crossbeam 1 along the axial direction through a bearing; hoisting holes are symmetrically formed in two ends of the hoisting crossbeam 1, the hook is fixedly connected with the fixed hoisting hole through a steel wire rope, and the hook is positioned in the center of the steel wire rope; the installation between the shaft holes is assembled in an interference fit mode, in order to ensure the stress intensity, the related plates adopt steel plates with the thickness of 5-10mm, the diameters of the main transformer screw rod 2 and the series transformer screw rod 9 are 2.5-3.5cm, and the bearings adopt ball bearings.
Wherein, a threaded hole 7 is processed on the main transformer sliding block 5 in a run-through manner, and the threaded hole 7 is installed in a matching manner with the main transformer screw rod 2; a threaded hole 7 is formed in the string transformation sliding block 6 in a run-through mode, and the threaded hole 7 is installed in a matched mode with a string transformation screw rod 9; one end of the series variable screw rod 9 is processed into a regular hexagonal shape, so that the series variable screw rod is convenient to rotate and adjust by a wrench, and one end of the main variable screw rod 2 is provided with a corresponding structure; the main transformer sliding block 5 and the string transformer sliding block 6 form bolt transmission with the main transformer screw rod 2 and the string transformer screw rod 9, and the main transformer sliding block 5 and the string transformer sliding block 6 can slide left and right by rotating the main transformer screw rod 2 and the string transformer screw rod 9.
Wherein, the main transformer lifting hook 3 comprises a main transformer lifting shaft 3-1 and a main transformer lifting platform 3-2; the main transformer hanging shaft 3-1 is vertically and downwards vertically and fixedly (welded) connected with a main transformer sliding block 5; the main transformer hanging scaffold 3-2 and the main transformer hanging shaft 3-1 are fixedly installed; the main transformer hanging scaffold 3-2 is uniformly and symmetrically provided with clamping grooves 8; the string transformation lifting hook 4 comprises a string transformation lifting shaft 4-1 and a string transformation lifting platform 4-2, and the string transformation lifting shaft 4-1 is vertically and downwards vertically connected with a string transformation sliding block 6 in a fixed (welded) mode; the serial transformer hanging scaffold 4-2 and the serial transformer hanging shaft 4-1 are fixedly installed; the middle parts of the main transformer hanging scaffold 3-2 and the serial transformer hanging scaffold 4-2 are provided with shaft holes, the main transformer hanging scaffold 3-1 and the serial transformer hanging scaffold 4-1 are fixedly arranged with the main transformer hanging scaffold 3-2 and the serial transformer hanging scaffold 4-2 after penetrating through the shaft holes, and the tail ends of the free ends of the main transformer hanging scaffold 3-2 and the serial transformer hanging scaffold 4-2 are welded with (circular) clamping blocks; in the application, the clamping grooves 8 are uniformly and symmetrically arranged on the string-variable hanging scaffold 4-2, the chain hooks are arranged on the clamping grooves 8 of the main transformer hanging scaffold 3-2 and the string-variable hanging scaffold 4-2, the hanging hole positions on the 8-shaped windings of the transformers with different specifications are different, the chain hooks are fixed in the clamping grooves 8 which are closest to the positions right above the clamping grooves 8 according to the hanging hole positions of the 8-shaped windings of the transformers, the clamping grooves 8 are arranged to ensure that the 8-shaped windings are hoisted, and the chain cannot slide on the hanging scaffold, so that the unstable hoisting condition is caused.
When implementing, hoist and mount crossbeam 1 is through the couple horizontal suspension on the crane lifting hook, get in touch "8 font" winding whole again at the main transformer lifting hook, cluster becomes on the lifting hook, utilize rocker or spanner, detain the spanner and cup joint in the main transformer screw rod, cluster becomes screw rod end (positive hexagonal end) portion and rotates, become the position of lifting hook and cluster change lifting hook through the accurate adjustment of bolt transmission main transformer, confirm hoist and mount crossbeam according to "8 font" whole centrobaric position of winding and main cluster become the winding centre-to-centre spacing, main transformer lifting hook, cluster becomes the position of lifting hook three and arranges, be similar to the shoulder pole structure, it is lighter to hoist and mount crossbeam which end, just with focus toward which end skew, when using the crane to go up and down the action, the dismouting operation of transformer "8 font" winding is steadily accomplished.
Claims (7)
1. A hoisting frame for a transformer 8-shaped winding comprises a hoisting cross beam, a main transformer screw rod, a series transformer screw rod, a main transformer hook and a series transformer hook; the device is characterized in that a main transformer screw and a series transformer screw are respectively arranged on the hoisting crossbeam, a main transformer sliding block is fixed on the main transformer screw, a main transformer lifting hook is fixed on the main transformer sliding block, a series transformer sliding block is fixed on the series transformer screw, and a series transformer lifting hook is fixed on the series transformer sliding block;
the hoisting cross beam comprises a transverse plate and a step plate; the transverse plates are fixedly connected through the ladder plates to form a ladder frame structure, and a main transformer screw rod is arranged between the ladder plates on one side of the hoisting cross beam along the axial direction; a series variable screw is arranged between the ladder boards on the other side of the hoisting beam along the axial direction;
a threaded hole is formed in the main transformer sliding block in a run-through mode, and the threaded hole is installed in a matched mode with a main transformer screw; the string transformer sliding block is provided with a threaded hole in a run-through manner, and the threaded hole is matched with the string transformer screw;
the main transformer lifting hook comprises a main transformer lifting shaft and a main transformer lifting platform; the main transformer hanging shaft is vertically and downwards vertical and is fixedly connected with a main transformer sliding block; the main transformer hanging scaffold and the main transformer hanging shaft are fixedly installed; clamping grooves are uniformly and symmetrically arranged on the main transformer hanging scaffold;
the string transformation lifting hook comprises a string transformation lifting shaft and a string transformation lifting platform, and the string transformation lifting shaft is vertically and downwards vertical and fixedly connected with the string transformation sliding block; the serial transformer hanging scaffold and the serial transformer hanging shaft are fixedly installed; the serial transformer hanging scaffold is uniformly and symmetrically provided with clamping grooves.
2. A lifting frame as claimed in claim 1, characterised in that said transverse plates are provided with four ladders.
3. A hoisting frame according to claim 1, wherein both ends of said main transformer screw are fixedly mounted with the ladder plate by means of bearings, and one end of said main transformer screw is machined into a regular hexagonal shape for easy rotation and adjustment by means of a wrench.
4. The hoisting frame according to claim 1, wherein both ends of the series variable screw are fixedly mounted with the step plate through bearings, and one end of the series variable screw is processed into a regular hexagonal shape so as to be conveniently adjusted by a wrench.
5. The hoisting frame according to claim 1, wherein the main transformer hoisting platform and the serial transformer hoisting platform are provided with chain hooks in the clamping grooves, the positions of the hoisting holes in the 8-shaped windings of the transformers with different specifications are different, and the chain hooks are fixed in the clamping grooves closest to the positions right above the clamping grooves according to the positions of the hoisting holes in the 8-shaped windings of the transformers.
6. The hoisting frame according to claim 1, wherein hoisting holes are symmetrically formed at two ends of the hoisting beam, the hook is fixedly connected with the fixed hoisting holes through a steel wire rope, and the hook is positioned at the center of the steel wire rope.
7. The hoisting frame according to claim 1, wherein the main transformer hoisting disc and the serial transformer hoisting disc are provided with shaft holes at the middle parts, the main transformer hoisting shaft and the serial transformer hoisting shaft pass through the shaft holes to be fixed with the main transformer hoisting disc and the serial transformer hoisting disc, and the free ends of the main transformer hoisting disc and the serial transformer hoisting disc are welded with the clamping blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920588456.2U CN210048359U (en) | 2019-04-27 | 2019-04-27 | 8-shaped winding hoisting frame for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920588456.2U CN210048359U (en) | 2019-04-27 | 2019-04-27 | 8-shaped winding hoisting frame for transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210048359U true CN210048359U (en) | 2020-02-11 |
Family
ID=69381367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920588456.2U Active CN210048359U (en) | 2019-04-27 | 2019-04-27 | 8-shaped winding hoisting frame for transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210048359U (en) |
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2019
- 2019-04-27 CN CN201920588456.2U patent/CN210048359U/en active Active
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