CN218159939U - Clamp for traction transformer of coal mining machine - Google Patents
Clamp for traction transformer of coal mining machine Download PDFInfo
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- CN218159939U CN218159939U CN202222301424.4U CN202222301424U CN218159939U CN 218159939 U CN218159939 U CN 218159939U CN 202222301424 U CN202222301424 U CN 202222301424U CN 218159939 U CN218159939 U CN 218159939U
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- angle steel
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- traction transformer
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- clamp
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Abstract
The utility model discloses a coal-winning machine anchor clamps for traction transformer, including four and above screw rods that cross, a set of first angle steel, a set of second angle steel and four and above screw rods that cross, two first angle steel, two second angle steel are L type mirror symmetry structure, connect through the screw rod that crosses between first angle steel and the second angle steel, between two first angle steel, all connect through the screw rod that crosses between two second angle steel. The embodiment of the utility model provides an anchor clamps, first fluting, third fluting let the lead wire wear out the angle steel smoothly, have guaranteed the insulation distance of lead wire with other parts, and the second fluting lets the lead wire hug closely the solenoid, has guaranteed the compactedness of traction transformer ware body, has reduced solenoid outgoing line and coal-winning machine cavity collision friction in the installation. The first slot and the third slot are also beneficial to the dissipation of heat generated in the running process of the traction transformer coil and the iron core, and the overall temperature of the coil and the iron core in the running process of the transformer is reduced.
Description
Technical Field
The utility model relates to a coal-winning machine traction transformer technical field, concretely relates to coal-winning machine anchor clamps for traction transformer.
Background
The traction transformer plays an important role in voltage grade conversion in a coal mining machine, and the stability of the electrical performance and the mechanical performance of the transformer is very important.
The appearance and the capacity of the traction transformer are designed according to the requirements of a coal mining machine, particularly the coal mining machine for a thin coal seam is generally designed to be shorter. The overall height of the traction transformer is greatly limited, so that the distance between a transformer coil and the angle steel is relatively short. The coil outgoing line can be led out by being tightly attached to the end part of the coil, so that the insulation distance cannot be guaranteed, great examination is brought to the welding process, and the condition that the coil outgoing line is damaged in an insulation mode can occur in the assembling process. With the gradual aging of the insulating layer in the operation process, the lead of the wire package can discharge to the wire package, so that voltage breakdown occurs, and further, a serious accident of burning down the transformer occurs.
The running environment of the traction transformer for the coal mining machine is severe, and safety accidents of the transformer are easy to happen due to high temperature and vibration. The high temperature causes the rapid aging of the coil insulation layer, which shortens the service life of the coil insulation layer, and even causes the burning accident of the transformer due to the reduction of the insulation level. The strong vibration can increase the noise of the iron core, increase the no-load current and seriously heat the iron core, and can also cause the position of the whole transformer to be displaced so as to cause the stress of a coil outlet wire to generate a safety accident.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve above-mentioned technical problem, proposed following technical scheme:
the embodiment of the utility model provides a coal-winning machine anchor clamps for traction transformer, draw screw rod, a set of first angle steel, a set of second angle steel and four and above punching screw rod, two including four and above, first angle steel, two the second angle steel is L type mirror symmetry structure, connect two through drawing the screw rod between first angle steel and the second angle steel between the first angle steel all connect through punching the screw rod between the second angle steel.
Furthermore, a plurality of first holes are formed in the first plate surface of each first angle steel, an iron core is arranged between the first plate surfaces of the two first angle steels, the first holes in the first plate surfaces of the two first angle steels, which are opposite to each other, are connected through a penetrating screw, and the two ends of the penetrating screw are connected through hexagon nuts.
Furthermore, the first angle steel is provided with a plurality of hanging stirrups, each hanging stirrer is of a sheet structure with a hole in the center, the first edge of each hanging stirrer is connected with the first surface of the first plate surface of the first angle steel, and the second edge of each hanging stirrer is connected with the first surface of the second plate surface of the first angle steel.
Furthermore, a plurality of pull screws are arranged on the second surface of the second plate surface of the first angle steel, and the first ends of the pull screws are fixed on the second surface of the second plate surface of the first angle steel.
Further, follow the long edge direction of the second face of first angle steel is equipped with a plurality of first flutings and a plurality of second flutings, first fluting and the grooved quantity of second equal, first fluting is located the long edge of the second face of first angle steel just is close to first face, the second fluting is located the long edge of the second face of first angle steel just keeps away from first face.
Further, the first face of second angle steel is equipped with a plurality of second trompils, the second trompil equals with the quantity of drawing the screw rod, the second end of drawing the screw rod is connected with hexagon nut after passing the second trompil.
Furthermore, a plurality of third openings are formed in the second plate surface of each second angle steel, an iron core is arranged between the second plate surfaces of the two second angle steels, the third openings in the opposite positions of the second plate surfaces of the two second angle steels are connected through a penetrating screw rod, and the two ends of the penetrating screw rod are connected through hexagon nuts.
Furthermore, a plurality of protruding positioning round steel are arranged on the second surface of the second plate surface of the first angle steel and the first surface of the first plate surface of the second angle steel respectively, an insulating cushion block is arranged on the outer surface of each positioning round steel, and two ends of the coil are connected with the insulating cushion blocks.
Furthermore, a plurality of third slots are formed in the long edge direction of the first plate surface of the second angle steel, and fixing plates are arranged at two ends of the long edge of the first plate surface of the second angle steel respectively.
Furthermore, the second angle steel is provided with a plurality of reinforcing plates, the first edges of the reinforcing plates are connected with the second surface of the first plate surface of the second angle steel, and the second edges of the reinforcing plates are connected with the first surface of the second plate surface of the second angle steel.
Has the beneficial effects that:
(1) The embodiment of the utility model provides a coal-winning machine anchor clamps for traction transformer, first fluting, third fluting let the lead wire wear out the angle steel smoothly, have guaranteed the insulation distance of lead wire with other parts, and the second fluting lets the lead wire hug closely the solenoid, has guaranteed the compactedness of traction transformer ware body, has reduced solenoid and coal-winning machine cavity collision friction in the installation. The first slot and the third slot are also beneficial to the dissipation of heat generated in the running process of the traction transformer coil and the iron core, and the overall temperature of the coil and the iron core in the running process of the transformer is reduced.
(2) The embodiment of the utility model provides a coal-winning machine anchor clamps for traction transformer, combine into a whole through drawing screw rod and hexagon nut with solenoid locking between first angle steel and the second angle steel, the screw rod of punching will be unshakable in one's determination, and be located the first angle steel of unshakable in one's determination both sides and hexagon nut locking for the second angle steel, has strengthened the wholeness of transformer ware body, has guaranteed the mechanical stability of transformer operation.
Drawings
Fig. 1 is a schematic view illustrating an assembly of a clamp according to an embodiment of the present invention;
FIG. 2 is a front view of an upper portion of a clamp according to an embodiment of the present invention;
fig. 3 is a top view of a portion of a clamp according to an embodiment of the present invention;
fig. 4 is a front view of a lower portion of a clamp according to an embodiment of the present invention;
fig. 5 is a top view of a lower portion of a clamp according to an embodiment of the present invention;
fig. 6 is a sectional view of the clamp provided by the embodiment of the present invention in use;
fig. 7 is an assembly view of a lead of a traction transformer according to an embodiment of the present invention;
the reference numerals in fig. 1-7 refer to: 1. the steel wire rope comprises a drawing screw rod, 2, a first opening, 3, first angle steel, 4, a first groove, 5, a second groove, 6, positioning round steel, 7, a hanging piece, 8, second angle steel, 9, a reinforcing plate, 10, a fixing plate, 11, a third groove, 12, a second opening, 13, a coil, 14, a coil outlet wire, 15, a penetrating screw rod, 16, an iron core, 17, an insulating cushion block, 18 and a hexagon nut.
Detailed Description
The present invention will be described with reference to the accompanying drawings and embodiments.
Fig. 1 is the utility model provides an anchor clamps equipment schematic diagram, including four and above pull screw 1, a set of first angle steel 3, a set of second angle steel 8 and four and above punching screw 15, two first angle steels 3, two second angle steels 8 are L type mirror symmetry structure, connect through pulling screw 1 between first angle steel 3 and the second angle steel 8, between two first angle steels 3, all connect through punching screw 15 between two second angle steels 8.
Fig. 2 and fig. 3 are the partial view on the clamp provided by the embodiment of the present invention, the first face of the first angle steel 3 is provided with a plurality of first openings 2, an iron core 16 is arranged between the first faces of the two first angle steels 3, the first openings 2 of the relative positions on the first faces of the two first angle steels 3 are connected through a piercing screw 15, and the two ends of the piercing screw 15 are connected through a hexagon nut 18.
The first angle steel 3 is provided with a plurality of hanging stirrups 7, the hanging stirrups 7 are of a sheet structure with a hole in the center, the first edge of each hanging stirrer 7 is connected with the first surface of the first plate surface of the first angle steel 3, and the second edge of each hanging stirrer 7 is connected with the first surface of the second plate surface of the first angle steel 3. The design of the hoisting device 7 provides a hoisting point for the integral hoisting of the transformer, and solves the problem that the hoisting belt at the end part for directly hoisting the first angle steel 3 is easy to slip off to cause safety accidents in the past.
The second surface of the second plate surface of the first angle steel 3 is provided with a plurality of pull screws 1, and the first ends of the pull screws 1 are fixed on the second surface of the second plate surface of the first angle steel 3.
Be equipped with a plurality of first flutings 4 and a plurality of second fluting 5 along the long edge direction of the second face of first angle steel 3, the quantity of first fluting 4 and second fluting 5 equals, and first fluting 4 is located the long edge of the second face of first angle steel 3 and is close to first face, and the second fluting 5 is located the long edge of the second face of first angle steel 3 and is kept away from first face.
Fig. 4 and 5 are partial views of the clamp provided by the embodiment of the present invention, the first plate surface of the second angle steel 8 is provided with a plurality of second holes 12, the second holes 12 and the number of the pull screws 1 are equal, and the second end of the pull screw 1 is connected with the hexagon nut 18 after passing through the second hole 12.
The second plate surface of the second angle steel 8 is provided with a plurality of third openings 19, an iron core 16 is arranged between the second plate surfaces of the two second angle steels 8, the third openings 19 at the opposite positions on the second plate surfaces of the two second angle steels 8 are connected through a penetrating screw 15, and the two ends of the penetrating screw 15 are connected through a hexagon nut 18.
The second surface of the second face of the first angle steel 3 and the first surface of the first face of the second angle steel 8 are respectively provided with a plurality of convex positioning round steel 6, the outer surface of each positioning round steel 6 is provided with an insulating cushion block 17, and two ends of the coil 13 are connected with the insulating cushion blocks 17. The design of the positioning round steel 6 ensures the fixity of the insulating cushion block 17, reduces the movement of the insulating cushion block 17 in operation and transportation, and ensures the stability of the mechanical structure of the transformer.
A plurality of third slots 11 are arranged along the long side direction of the first plate surface of the second angle steel 8, and fixing plates 10 are respectively arranged at two ends of the long side of the first plate surface of the second angle steel 8. The fixing plate 10 is fixed with the shell of the coal mining machine in four directions at the bottom of the transformer, so that the displacement between the traction transformer and the shell in the coal mining process is effectively prevented, and the operation reliability of the traction transformer is improved.
Fig. 6 is a cross-sectional view is used in the installation of anchor clamps that the embodiment of the utility model provides a fig. 7 is the utility model discloses the lead wire assembly drawing of traction transformer that the embodiment provided, through drawing screw rod 1 and hexagon nut 18 between first angle steel 3 and the second angle steel 8 with solenoid 13 locking combination one-piece body, the lead-through screw rod 15 with 16 unshakable in one's determination, and be located the first angle steel 3 and the second angle steel 8 of 16 both sides of unshakable in one's determination and lock with hexagon nut 18.
The first angle steel 3 and the second angle steel 8 are locked and combined into a whole through the pull screw rod 1 by the hexagon nut 18, so that the coil 13 is firmly fixed by the first angle steel 3, the second angle steel 8 and the insulating cushion blocks 17 positioned at two ends of the coil 13, and the short-circuit resistance of the traction transformer is greatly increased.
The core 16, the first angle steel 3 and the second angle steel 8 which are positioned at two sides of the core 16 are locked by the penetrating screw 15 through the hexagon nut 18, so that the noise of the traction transformer during operation is greatly reduced.
The coil outgoing line 14 penetrates through the first open groove 4, is bent, leads the side face of the coil 13 to be attached to the coil 13 through the second open groove 5, and then leads other cavities according to the requirements of a coal mining machine, so that the insulation distance between leads is ensured, and the hidden danger that the welding spot is damaged due to the fact that the lead is directly bent at a right angle after being welded is avoided. The first slot 4 and the third slot 11 enable the lead to smoothly penetrate through the angle steel, so that the insulation distance between the lead and other parts is ensured, the lead is tightly attached to the coil through the second slot 5, the compactness of the traction transformer body is ensured, and the collision friction between the coil outgoing line 14 and the cavity of the coal mining machine in the installation process is reduced. The first slot 4 and the third slot 11 are also beneficial to the dissipation of heat generated in the running process of the traction transformer coil 13 and the iron core 16, and the running temperature of the coil 13 and the iron core 16 is reduced.
The utility model has the advantages of reasonable design, the lead wire is qualified for the next round of competitions simple process, has increased the anti short circuit ability of transformer, has reduced the noise of transformer, has guaranteed the electric distance between each part of transformer, has still reduced the temperature of operation in-process transformer essential element. The utility model discloses anchor clamps have avoided the power failure, have guaranteed colliery electricity consumption safety in the pit.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
Claims (10)
1. The utility model provides a coal-winning machine anchor clamps for traction transformer, its characterized in that includes four and above screw rod (1), a set of first angle steel (3), a set of second angle steel (8) and four and above cross-core screw rod (15), two first angle steel (3), two second angle steel (8) are L type mirror symmetry structure, connect through drawing screw rod (1) between first angle steel (3) and second angle steel (8), two between first angle steel (3), two all connect through cross-core screw rod (15) between second angle steel (8).
2. The clamp for the traction transformer of the coal mining machine according to claim 1, wherein a plurality of first holes (2) are formed in the first plate surface of the first angle steel (3), an iron core (16) is arranged between the first plate surfaces of the two first angle steels (3), the first holes (2) in the first plate surfaces of the two first angle steels (3) which are opposite to each other are connected through a penetrating screw (15), and two ends of the penetrating screw (15) are connected through a hexagon nut (18).
3. The clamp for the traction transformer of the coal mining machine according to claim 2, characterized in that the first angle steel (3) is provided with a plurality of hanging stirrups (7), the hanging stirrups (7) are of a sheet structure with a hole at the center, a first edge of the hanging stirrups (7) is connected with a first surface of a first plate surface of the first angle steel (3), and a second edge of the hanging stirrups (7) is connected with a first surface of a second plate surface of the first angle steel (3).
4. The clamp for the traction transformer of the coal mining machine according to claim 3, wherein a plurality of pull screws (1) are arranged on the second surface of the second plate surface of the first angle steel (3), and the first ends of the pull screws (1) are fixed on the second surface of the second plate surface of the first angle steel (3).
5. The clamp for the coal mining machine traction transformer according to claim 3 or 4, wherein a plurality of first slots (4) and a plurality of second slots (5) are arranged along the long side direction of the second plate surface of the first angle steel (3), the number of the first slots (4) and the number of the second slots (5) are equal, the first slots (4) are arranged on the long side edge of the second plate surface of the first angle steel (3) and are close to the first plate surface, and the second slots (5) are arranged on the long side edge of the second plate surface of the first angle steel (3) and are far away from the first plate surface.
6. The clamp for the traction transformer of the coal mining machine according to claim 4, characterized in that the first plate surface of the second angle steel (8) is provided with a plurality of second holes (12), the number of the second holes (12) is equal to that of the pull screw rods (1), and the second ends of the pull screw rods (1) are connected with the hexagonal nuts (18) after passing through the second holes (12).
7. The clamp for the traction transformer of the coal mining machine according to claim 6, wherein the second plate surface of the second angle steel (8) is provided with a plurality of third openings (19), an iron core (16) is arranged between the second plate surfaces of the two second angle steels (8), the third openings (19) at opposite positions on the second plate surfaces of the two second angle steels (8) are connected through a penetrating screw (15), and two ends of the penetrating screw (15) are connected through a hexagon nut (18).
8. The clamp for the traction transformer of the coal mining machine according to claim 7, wherein the second surface of the second plate surface of the first angle steel (3) and the first surface of the first plate surface of the second angle steel (8) are respectively provided with a plurality of convex positioning round steel (6), the outer surface of each positioning round steel (6) is provided with an insulating cushion block (17), and two ends of the coil (13) are connected with the insulating cushion blocks (17).
9. The clamp for the traction transformer of the coal mining machine according to any one of claims 6 to 8, wherein a plurality of third slots (11) are formed along the long side direction of the first plate surface of the second angle steel (8), and fixing plates (10) are respectively formed along both ends of the long side of the first plate surface of the second angle steel (8).
10. The shearer loader traction transformer clamp according to any one of claims 6 to 8, wherein the second angle iron (8) is provided with a plurality of reinforcing plates (9), a first edge of the reinforcing plate (9) being connected to the second surface of the first plate surface of the second angle iron (8), and a second edge of the reinforcing plate (9) being connected to the first surface of the second plate surface of the second angle iron (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222301424.4U CN218159939U (en) | 2022-08-31 | 2022-08-31 | Clamp for traction transformer of coal mining machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222301424.4U CN218159939U (en) | 2022-08-31 | 2022-08-31 | Clamp for traction transformer of coal mining machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218159939U true CN218159939U (en) | 2022-12-27 |
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ID=84557312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222301424.4U Active CN218159939U (en) | 2022-08-31 | 2022-08-31 | Clamp for traction transformer of coal mining machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218159939U (en) |
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2022
- 2022-08-31 CN CN202222301424.4U patent/CN218159939U/en active Active
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