CN214359739U

CN214359739U - Hoisting accessory is used in electric power system transformer maintenance

Info

Publication number: CN214359739U
Application number: CN202120042458.9U
Authority: CN
Inventors: 郭晓龙; 孙圣凯; 张艳艳; 蒋怡康; 李俊良
Original assignee: Liaocheng Power Supply Co of State Grid Shandong Electric Power Co Ltd
Current assignee: Liaocheng Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2021-10-08
Anticipated expiration: 2031-01-08

Abstract

The utility model discloses a hoisting device for power system substation maintenance, comprising a box body, a rotating rod is rotatably connected between the left and right sides of the inner wall of the box, the surface of the rotating rod is fixedly connected with a wire roller, and the outer surface of the wire roller is connected A steel wire rope is wound on the surface, and the bottom end of the steel wire rope penetrates the box body and extends to the bottom of the box body. The utility model relates to the technical field of electric power maintenance equipment. In the lifting device for power system substation maintenance, when the hook rises, the hook drives the connecting plate to move upward, and at the same time the connecting plate drives the first inclined block to slide upward along the inner surface of the groove. When the inclined surface of the second inclined block contacts and squeezes, the second inclined block slides to the right along the inner surface of the groove, and at the same time, the second inclined block starts to squeeze the spring, and at the same time, the second inclined block drives the sliding rod to the inside of the fixed block. Sliding, through the setting of the buffer mechanism, the collision force between the hook and the box body can be reduced, the shaking amplitude of the hook can be further reduced, and the safety is increased.

Description

Hoisting accessory is used in electric power system transformer maintenance

Technical Field

The utility model relates to an electric power overhauls equipment technical field, specifically is hoisting accessory for electric power system transformer overhauls.

Background

The transformer overhaul is an operation in charge of overhauling, replacing and debugging a breaker and a disconnecting switch, maintaining transformer equipment such as a transformer and a mutual inductor and enabling the transformer equipment to reach the quality standard which must be possessed by safe operation, and when the replacement operation of power equipment parts is carried out in the transformer overhaul of an outdoor area of a transformer substation, the power equipment parts are generally hoisted by adopting a crane hoisting method, so that the overhauling treatment of the transformer equipment with different heights is realized.

Current crane need use the loop wheel machine to receive the line when lifting by crane substation equipment, and the lifting hook rises to easy and the loop wheel machine bumps when topmost, further makes substation equipment rock because of the striking production, and is more dangerous, and the long-term collision to the lifting hook can influence the life of lifting hook in addition, and current lifting hook lacks the antiskid device that falls in hoisting substation equipment in addition, and substation equipment is rocking probability landing lifting hook occasionally.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides an electric power system transformer overhauls uses hoisting accessory, has solved current lifting hook and has risen easy and loop wheel machine bump when topmost to and current lifting hook is hoisting substation equipment and is lacking the problem of antiskid device that falls.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the hoisting device for power transformation maintenance of the power system comprises a box body, wherein a rotating rod is rotatably connected between the left side and the right side of the inner wall of the box body, a wire roller is fixedly connected to the surface of the rotating rod, a steel wire rope is wound on the outer surface of the wire roller, the bottom end of the steel wire rope penetrates through the box body and extends to the bottom of the box body, a connecting plate is fixedly connected to the bottom end of the steel wire rope, and a buffer mechanism is arranged between the left side of the bottom of the box body and the top of the connecting plate; the buffer mechanism comprises a fixed seat, the top of the fixed seat is fixedly connected with the bottom of the box body, a groove is arranged inside the fixed seat, a first inclined block is fixedly connected with the left side of the top of the connecting plate, the left side of the first inclined block is connected with the inner surface of the groove in a sliding way, the inner surface of the fixed seat is fixedly connected with a fixed block, the left side of the fixed block is connected with a slide bar in a sliding way, the right end of the slide bar penetrates through the fixed block and extends to the inside of the fixed block, the left end of the sliding rod is fixedly connected with a second inclined block, the top of the second inclined block is connected with the inner surface of the groove in a sliding way, the inclined plane of the second inclined block is contacted with the inclined plane of the first inclined block, the surface of the sliding rod is sleeved with a first spring, the left end of the first spring is fixedly connected with the right side of the second inclined block, and the right end of the first spring is fixedly connected with the left side of the fixed block.

Preferably, the bottom of the connecting plate is fixedly connected with a lifting hook, and the inner surface of the lifting hook is rotatably connected with a stop lever through a turntable.

Preferably, the top end of the stop lever is in contact with the inner surface of the lifting hook, and a second spring is fixedly connected between the left side of the stop lever and the inner surface of the lifting hook.

Preferably, the left side of the box body is fixedly connected with a case, and the inside of the case is fixedly connected with a motor.

Preferably, the output end of the motor penetrates through the case and the box body and extends to the inside of the box body, and the output end of the motor is fixedly connected with the left end of the rotating rod through the coupler.

Preferably, the buffer mechanisms are symmetrically arranged on the left side and the right side of the bottom of the box body, and the size of the stop lever is matched with that of the lifting hook.

Advantageous effects

The utility model provides a hoisting accessory is used in electric power system transformer maintenance. Compared with the prior art, the method has the following beneficial effects:

(1) the hoisting device for power transformation maintenance of the electric power system comprises a fixed seat in a buffer mechanism, the top of the fixed seat is fixedly connected with the bottom of a box body, a groove is formed in the fixed seat, a first inclined block is fixedly connected to the left side of the top of a connecting plate, the left side of the first inclined block is slidably connected with the inner surface of the groove, a fixed block is fixedly connected to the inner surface of the fixed seat, a slide rod is slidably connected to the left side of the fixed block, the right end of the slide rod penetrates through the fixed block and extends into the fixed block, a second inclined block is fixedly connected to the left side of the slide rod, the top of the second inclined block is slidably connected with the inner surface of the groove, the inclined plane of the second inclined block is in contact with the inclined plane of the first inclined block, a first spring is sleeved on the surface of the slide rod, the left end of the first spring is fixedly connected with the right side of the second inclined block, the right end of the first spring is fixedly connected with the left side of the fixed block, when a lifting hook ascends, the lifting hook drives the connecting plate rebound, the connecting plate drives first sloping block and upwards slides along the internal surface of recess simultaneously, when the inclined plane of first sloping block and the inclined plane contact and the extrusion of second sloping block, the second sloping block slides right along the internal surface of recess, the second sloping block begins to extrude the spring simultaneously, the second sloping block drives the slide bar and slides to the inside of fixed block simultaneously, setting through buffer gear, can reduce the collision dynamics of lifting hook and box, further reduce the range of rocking of lifting hook, the security has been increased.

(2) This hoisting accessory is used in electric power system transformer maintenance, through the bottom fixedly connected with lifting hook at the connecting plate, the lifting hook internal surface rotates through the carousel and is connected with the pin, the top of pin and the internal surface contact of lifting hook, fixedly connected with second spring between the left side of pin and the internal surface of lifting hook, through the setting of pin and second spring, avoided the transformer equipment to rock the phenomenon of probability landing lifting hook occasionally, effectively prevented transformer equipment from sliding from the lifting hook, increased the security.

Drawings

FIG. 1 is a front view of the internal structure of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a partial enlarged view of the point B in fig. 1 according to the present invention.

In the figure: the device comprises a box body 1, a rotating rod 2, a wire roller 3, a wire rope 4, a connecting plate 5, a buffer mechanism 6, a fixed seat 61, a groove 62, a first inclined block 63, a fixed block 64, a sliding rod 65, a second inclined block 66, a first spring 67, a hook 7, a rotating disc 8, a stop lever 9, a second spring 10, a cabinet 11 and a motor 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the hoisting device for power transformation maintenance of the power system comprises a box body 1, wherein a rotating rod 2 is rotatably connected between the left side and the right side of the inner wall of the box body 1, a wire roller 3 is fixedly connected to the surface of the rotating rod 2, a steel wire rope 4 is wound on the outer surface of the wire roller 3, the bottom end of the steel wire rope 4 penetrates through the box body 1 and extends to the bottom of the box body 1, a connecting plate 5 is fixedly connected to the bottom end of the steel wire rope 4, the connecting plate 5 is used for connecting the steel wire rope 4 with a lifting hook 7, and a buffer mechanism 6 is arranged between the left side of the bottom of the box body 1 and the top of the connecting plate 5; the buffer mechanism 6 comprises a fixed seat 61, the top of the fixed seat 61 is fixedly connected with the bottom of the box body 1, a groove 62 is arranged inside the fixed seat 61, a first inclined block 63 is fixedly connected with the left side of the top of the connecting plate 5, the left side of the first inclined block 63 is slidably connected with the inner surface of the groove 62, a fixed block 64 is fixedly connected with the inner surface of the fixed seat 61, a slide rod 65 is slidably connected with the left side of the fixed block 64, the right end of the slide rod 65 penetrates through the fixed block 64 and extends into the fixed block 64, a second inclined block 66 is fixedly connected with the left side of the slide rod 65, the angle of the inclined plane of the second inclined block 66 is the same as that of the first inclined block 63, the top of the second inclined block 66 is slidably connected with the inner surface of the groove 62, the inclined plane of the second inclined block 66 is in contact with the inclined plane of the first inclined block 63, a first spring 67 is sleeved on the surface of the slide rod 65, and the left end of the first spring 67 is fixedly connected with the right side of the second inclined block 66, the right end of a first spring 67 is fixedly connected with the left side of a fixed block 64, the bottom of a connecting plate 5 is fixedly connected with a lifting hook 7, the inner surface of the lifting hook 7 is rotatably connected with a stop lever 9 through a turntable 8, the stop lever 9 can prevent substation equipment from sliding off the lifting hook 7, the top end of the stop lever 9 is contacted with the inner surface of the lifting hook 7, a second spring 10 is fixedly connected between the left side of the stop lever 9 and the inner surface of the lifting hook 7, the stop lever 9 can be reset by the second spring 10, the left side of a box body 1 of the second spring 10 is fixedly connected with a machine box 11, the interior of the machine box 11 is fixedly connected with a motor 12, the motor 12 is a three-phase asynchronous motor, is controlled by an external switch and is electrically connected with an external power supply, the output end of the motor 12 penetrates through the machine box 11 and the box body 1 and extends to the interior of the box body 1, the output end of the motor 12 is fixedly connected with the left end of a rotating rod 2 through a coupler, and the buffer mechanisms 6 are symmetrically arranged on the left side and the left side of the bottom of the box body 1, the size of the stop lever 9 is adapted to the size of the hook 7.

And those not described in detail in this specification are well within the skill of those in the art.

When the lifting hook works, firstly, the transformer equipment to be overhauled is hung on the lifting hook 7, the stop lever 9 is rotated rightwards firstly, so that the stop lever 9 downwards extrudes the second spring 10, then the transformer equipment is hung on the lifting hook 7, the stop lever 9 is further loosened, the stop lever 9 is reset under the elastic action of the second spring 10, then the motor 12 is started, so that the motor 12 drives the rotating lever 2 to rotate, the rotating lever 2 drives the wire roller 3 to rotate, the wire roller 3 drives the steel wire rope 4 to ascend, the steel wire rope 4 drives the connecting plate 5 to ascend, the connecting plate 5 drives the lifting hook 7 to ascend, the connecting plate 5 drives the first inclined block 63 to ascend, when the first inclined block 63 slides with the inner surface of the groove 62 and finally the first inclined block 63 is contacted and extruded with the second inclined block 66, the second inclined block 66 slides rightwards along the inner surface of the groove 62, and the second inclined block 66 drives the sliding rod 65 to slide rightwards along the inner surface of the fixed block 64, simultaneously the second sloping block 66 begins to extrude first spring 67, setting through buffer gear 6 can reduce the collision dynamics of lifting hook 7 and box 1, further reduce the range of rocking of lifting hook 7, the security has been increased, use through the cooperation of carousel 8, pin 9 and second spring 10, hang behind the lifting hook at the substation equipment, avoided the phenomenon of substation equipment probability landing lifting hook 7 when rocking, effectively prevented substation equipment landing from lifting hook 7, the security has been increased.

It is noted that, herein, 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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A hoisting device for power system substation maintenance, comprising a box body (1), characterized in that a rotating rod (2) is rotatably connected between the left and right sides of the inner wall of the box body (1), and the rotating rod ( 2) The surface of the wire roller (3) is fixedly connected, the outer surface of the wire roller (3) is wound with a wire rope (4), and the bottom end of the wire rope (4) penetrates the box body (1) and extends to the box body ( 1), the bottom end of the wire rope (4) is fixedly connected with a connecting plate (5), and a buffer mechanism (6) is provided between the left side of the bottom of the box (1) and the top of the connecting plate (5). );

The buffer mechanism (6) includes a fixing seat (61), the top of the fixing seat (61) is fixedly connected with the bottom of the box (1), and a groove (62) is opened inside the fixing seat (61). ), the left side of the top of the connecting plate (5) is fixedly connected with a first inclined block (63), and the left side of the first inclined block (63) is slidably connected with the inner surface of the groove (62). A fixing block (64) is fixedly connected to the inner surface of the fixing seat (61), the left side of the fixing block (64) is slidably connected with a sliding rod (65), and the right end of the sliding rod (65) penetrates the fixing block (64). ) and extend to the interior of the fixed block (64), the left end of the sliding rod (65) is fixedly connected with a second inclined block (66), the top of the second inclined block (66) and the groove (62) The inner surface is slidably connected, the inclined surface of the second inclined block (66) is in contact with the inclined surface of the first inclined block (63), the surface of the sliding rod (65) is sleeved with a first spring (67), the The left end of a spring (67) is fixedly connected with the right side of the second inclined block (66), and the right end of the first spring (67) is fixedly connected with the left side of the fixing block (64).

2. The lifting device for power system substation maintenance according to claim 1, characterized in that: the bottom of the connecting plate (5) is fixedly connected with a hook (7), and the inner surface of the hook (7) passes through The turntable (8) is rotatably connected with a blocking rod (9).

3. The lifting device for power system substation maintenance according to claim 2, characterized in that: the top of the blocking rod (9) is in contact with the inner surface of the hook (7), and the top of the blocking rod (9) is in contact with the inner surface of the hook (7). A second spring (10) is fixedly connected between the left side and the inner surface of the hook (7).

4. The hoisting device for power system substation maintenance according to claim 1, characterized in that: a chassis (11) is fixedly connected to the left side of the box body (1), and the interior of the chassis (11) is fixedly connected There is a motor (12).

5. The hoisting device for power system substation maintenance according to claim 4, characterized in that: the output end of the motor (12) penetrates through the casing (11) and the casing (1) and extends to the casing (1) Inside, the output end of the motor (12) is fixedly connected with the left end of the rotating rod (2) through a coupling.

6 . The lifting device for power system substation maintenance according to claim 2 , wherein the buffer mechanism ( 6 ) is symmetrically arranged on the left and right sides of the bottom of the box ( 1 ), and the blocking rod ( 9 ) The size of the hook matches the size of the hook (7).