CN210380567U

CN210380567U - Moving tool on cooler tower of doubly-fed generator of wind generating set

Info

Publication number: CN210380567U
Application number: CN201920868787.1U
Authority: CN
Inventors: 杨云
Original assignee: MingYang Smart Energy Group Co Ltd
Current assignee: MingYang Smart Energy Group Co Ltd
Priority date: 2019-06-11
Filing date: 2019-06-11
Publication date: 2020-04-21
Anticipated expiration: 2029-06-11

Abstract

The utility model relates to the technical field of fault maintenance of a double-fed generator of a wind generating set, in particular to an upper moving tool of a cooler tower of the double-fed generator of the wind generating set, which comprises two moving tool units, the two movable tool units are symmetrically arranged on two sides of the generator cooler, each movable tool unit comprises two lifting bodies, a pressing plate, a long screw, a guide rail, a clamping body and a side-turning prevention supporting rod, and are respectively inserted into two lifting lugs at one side of the generator base, the long screw rod penetrates out of the lifting body from bottom to top, the guide rails are transversely arranged above the two long screw rods, two clamping bodies are arranged on the guide rails in a sliding manner, one end of each of the two clamping bodies is connected to each of the two corner positions of the cooler, one end of the rollover-prevention supporting rod is supported on an engine room rack of the wind generating set, and the other end of the rollover-prevention supporting rod is supported on the guide rail. The utility model has the advantages of simple structure, convenient operation, reduction intensity of labour, improvement work efficiency etc.

Description

Moving tool on cooler tower of doubly-fed generator of wind generating set

Technical Field

The utility model belongs to the technical field of wind generating set double-fed generator fault maintenance's technique and specifically relates to indicate a remove frock on wind generating set double-fed generator cooler tower.

Background

At present, in the wind power industry, the inside bearing unit that often takes place of double-fed generator leaks oil to the generator inside, insulating damage and rotor lead damage such as appear in the winding end, the processing of these troubles will be carried out, it carries out clearance and maintenance work to dismantle generator bearing unit usually, but inevitable can lead to the fact the damage of certain degree to the bearing of generator when disassembling the bearing unit, reduce the life of bearing, the cooler weight of double-fed generator is about one ton or so simultaneously, do not have the frock on the tower, under the condition of hoist, it is basically unable to remove to lean on the manpower, consequently, it is very big to cause the maintenance difficulty.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, a remove frock on wind generating set double-fed generator cooler tower is provided, can break away from the cooler behind the generator body through this removal frock, slide generator one side along this guide rail that removes the frock, wind field staff can operate the generator inside directly over the generator, the dismouting number of times of the generator bearing unit that significantly reduces avoids influencing the life of generator bearing, reduce operating personnel's intensity of labour and improve work efficiency.

In order to achieve the above object, the present invention provides a technical solution: a moving tool on a cooler tower of a double-fed generator of a wind generating set comprises two moving tool units, wherein the two moving tool units are symmetrically arranged on two sides of a cooler of the generator, each moving tool unit comprises a lifting body, a pressing plate, a guide rail, a clamping body and a side-turning prevention supporting rod, the two lifting bodies are inserted into two lifting lugs on one side of a base of the generator respectively, the lifting body penetrates through one end of each lifting lug to be provided with the pressing plate, the lifting body is screwed in the lifting body through a bolt to be fixed on the base of the engine, the other end of the lifting body is provided with a threaded hole for installing a long screw rod, the long screw rod penetrates out of the threaded hole from bottom to top, the guide rail is transversely arranged above the two long screw rods and is vertical to the two long screw rods, two cylinders with blind holes at the centers are welded on the lower end face of the guide rail, and the two cylinders correspond to the two long, the long screw rod is correspondingly inserted into a cylindrical blind hole, the guide rail is located the one end on the left side of the generator and extends outwards, the clamping bodies are arranged on the guide rail in two and sliding modes, one ends of the two clamping bodies are respectively connected onto two angular positions of the cooler, the cooler is driven to horizontally move on the guide rail through the two clamping bodies, the height of the cooler is adjusted through the rotating long screw rod, one end of the anti-rollover supporting rod is supported on a machine room frame of the wind generating set, the other end of the anti-rollover supporting rod extends upwards and is supported at one end of the guide rail, and the cooler is prevented from falling due to gravity center offset after being moved to one side of the generator.

Furthermore, the guide rail is of a hollow tubular structure, the side-turning prevention support rod is of an inverted L-shaped structure, the vertical section of the inverted L-shaped structure is supported on an engine room rack of the wind generating set, and the horizontal section of the inverted L-shaped structure is inserted into the guide rail.

Further, the one end of the centre gripping body is formed with a centre gripping groove, the centre gripping groove is connected on the steel sheet of cooler angular position, wherein, a side of centre gripping groove is opened there is waist shape hole, and its another side is opened there is the bolt hole, passes the hole that waist shape hole was screwed into on the cooler angular position through the bolt, and its another side passes the bolt hole through the bolt and makes on its conflict steel sheet to the cooler angular position.

Furthermore, the surface of the clamping body, which is in contact with the guide rail, is provided with a sliding cylinder, so that the clamping body can slide on the guide rail of the clamping body.

Furthermore, the ends, far away from the cooler, of the two clamping bodies in the movable tool unit are connected through a steel fixing strip, so that the clamping bodies are prevented from rotating.

Compared with the prior art, the utility model, have following advantage and beneficial effect:

the utility model has the advantages of simple structure, convenient operation, low cost, low labor intensity, high work efficiency and the like, after the cooler is separated from the generator body, the cooler can slide to one side of the generator along the guide rail of the movable tool, the wind field staff can operate the interior of the generator from the right above the generator, thereby avoiding disassembling the bearing unit of the generator to maintain the interior of the generator, greatly reducing the times of disassembling and assembling the bearing unit of the generator, avoiding the risk of damaging the bearing of the generator, prolonging the service life of the bearing of the generator, simultaneously, the disassembling and assembling of the bearing unit of the generator on the tower is a work with very high labor intensity, the work efficiency is lower, and the bearing unit and the winding end part can be maintained or maintained from the right above the generator after the cooler is removed by adopting the tool, not only reduces the labor intensity of wind field workers, but also effectively improves the working efficiency.

Drawings

Fig. 1 is a schematic view of the utility model.

Fig. 2 is a schematic structural view of the lifting body of the present invention.

Fig. 3 is a schematic structural diagram of the guide rail of the present invention.

Fig. 4 is a schematic structural diagram of the clamping body of the present invention.

Fig. 5 is a schematic structural diagram of the clamping body of the present invention.

Fig. 6 is a schematic structural view of the rollover-prevention support rod of the present invention.

Detailed Description

The present invention will be further described with reference to the following specific embodiments.

As shown in fig. 2 to 5, the moving tooling on the cooling tower of the doubly-fed generator of the wind generating set in this embodiment includes two moving tooling units, the two moving tooling units are symmetrically installed on two sides of the generator cooler 3, each moving tooling unit includes two lifting bodies 11, a pressing plate (not shown in the figures), a long screw 15, a guide rail 12, a clamping body 13 and a side-turn preventing support rod 14, the two lifting bodies 11 are respectively inserted into two lifting lugs 21 on one side of the generator base 2, the pressing plate is installed at one end of the lifting body 11 passing through the lifting lug 21, the lifting body 11 is fixed on the engine base 2 by screwing the pressing plate into the lifting body 11 through a bolt, a threaded hole 111 for installing the long screw 15 is formed at the other end of the lifting body 11, the long screw 15 penetrates through the threaded hole 111 from bottom to top, the guide rail 12 is a hollow tubular structure, the clamping bodies 13 are arranged on the guide rail 12 in a sliding manner, a sliding cylinder (not shown in the figure) is arranged on the surface of each clamping body 13, which is in contact with the guide rail 12, so that the clamping bodies 13 slide on the guide rail 12, one end of each clamping body 13 is provided with a clamping groove 131, the two clamping bodies 13 are respectively connected to the steel plates at two angular positions of the cooler 3 through the respective clamping groove 131, one side surface of each clamping groove 131 is provided with a kidney-shaped hole 132, and the other side surface of each clamping groove 131 is provided with a bolt hole 133, pass the hole on the screw-in cooler 3 angular position through the bolt and pass waist shape hole 132, its another side passes bolt hole 133 through the bolt and makes its conflict to the steel sheet of cooler 3 angular position, and the one end that cooler 3 was kept away from to two cramping bodies 13 is connected through the steel fixed strip (not drawn in the figure), prevents that cramping body 13 from rotating, drives cooler 3 horizontal migration on guide rail 12 through two cramping bodies 13, adjusts cooler 3's height through rotatory long screw 15 simultaneously, the bracing piece 14 of preventing turning on one's side is the structure of falling L shape, the vertical section of the structure of falling L shape supports in wind generating set's cabin frame, and its horizontal segment inserts in hollow tubular structure's guide rail 12, prevents that cooler 3 from removing to drop because of the focus skew leads to behind the generator one side.

As shown in fig. 1, a schematic diagram of the installation and use of the present embodiment is shown, and the specific installation steps are as follows:

1) four lifting bodies 11 are respectively arranged on 4 lifting lugs 21 of the generator base 2, the lifting bodies 11 are inserted into lifting holes of the corresponding lifting lugs 21, and a pressing plate and the lifting bodies 11 are fixed by using M10 bolts;

2) screwing the long screw 15 into the lifting body 11 from bottom to top, and screwing the long screw 15 out by about 20 mm;

3) disassembling M8 fixing bolts at proper positions on the front and rear end faces of the cooler 3;

4) installing a guide rail 12, namely, enabling two cylinders 121 on the guide rail 12 to face downwards, enabling holes in the two cylinders 121 to be aligned with the long screw 15 to be placed in, enabling the long end of the guide rail 12 to face to the left side (seen from the shaft extension end) of the generator, and installing the two guide rails 12 according to the above steps;

5) installing the clamping body 13, aligning the side of the clamping body 13 with the kidney-shaped hole 132 with a screw hole of M8 on the end surface of the cooler 3, screwing an M8X 40 bolt, screwing an M12X 45 bolt on the side with a bolt hole 133 to enable the bolt to be abutted against a steel plate at the corner position of the cooler 3, screwing the bolt with force to prevent the cooler 3 from deforming as much as possible, and installing 4 clamping bodies 13 according to the step;

6) the anti-rollover support rod 14 is installed, the horizontal section of the anti-rollover support rod 14 is inserted into the guide rail 12 of the hollow tubular structure, the vertical section of the anti-rollover support rod is supported on the engine room rack of the wind generating set, and the anti-rollover support rod 14 is adjusted to reliably support the guide rail 12.

The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so that all the changes made according to the shape and principle of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a wind generating set doubly-fed generator cooler tower goes up to remove frock which characterized in that: the device comprises two movable tool units which are symmetrically arranged on two sides of a generator cooler, each movable tool unit comprises a lifting body, a pressing plate, a long screw rod, a guide rail, a clamping body and a rollover-prevention supporting rod, the lifting body comprises two lifting bodies, the two lifting bodies are respectively inserted into two lifting lugs on one side of a generator base, the pressing plate is arranged at one end, penetrating through the lifting lugs, of the lifting body, the lifting body is screwed in the lifting body through bolts, so that the lifting body is fixed on the engine base, a threaded hole for installing the long screw rod is formed in the other end of the lifting body, the long screw rod penetrates out of the threaded hole from bottom to top, the guide rail is transversely arranged above the two long screw rods and is vertical to the two long screw rods, two cylinders with blind holes in the centers are welded on the lower end face of the guide rail, the two cylinders respectively correspond to the two long screw rods, namely one long screw rod is correspondingly inserted into one, the guide rail is located the left one end of generator and outwards extends, the holding body has two and slides and locates on the guide rail, and the one end of these two holding bodies is connected respectively on two angular positions of cooler, drives the cooler horizontal migration on the guide rail through two holding bodies, adjusts the height of cooler through rotatory long screw simultaneously, the one end of the bracing piece of preventing turning on one's side is supported in wind generating set's cabin frame, and its other end upwards extends and supports in the outside one end that extends of guide rail, prevents that the cooler from removing to drop that leads to because of the focus skew behind the generator one side.

2. The tool for moving the cooler tower of the doubly-fed generator of the wind generating set according to claim 1, is characterized in that: the guide rail is of a hollow tubular structure, the side-turning prevention support rod is of an inverted L-shaped structure, the vertical section of the inverted L-shaped structure is supported on an engine room rack of the wind generating set, and the horizontal section of the inverted L-shaped structure is inserted into the guide rail.

3. The tool for moving the cooler tower of the doubly-fed generator of the wind generating set according to claim 1, is characterized in that: the one end of the centre gripping body is formed with a centre gripping groove, the centre gripping groove is connected on the steel sheet of cooler angular position, wherein, a side in centre gripping groove is opened there is waist shape hole, and its another side is opened there is the bolt hole, passes the hole that waist shape hole was screwed into on the cooler angular position through the bolt, and its another side passes the bolt hole through the bolt and makes on its steel sheet of conflicting the cooler angular position.

4. The tool for moving the cooler tower of the doubly-fed generator of the wind generating set according to claim 1 or 3, wherein the tool comprises: the surface of the clamping body, which is in contact with the guide rail, is provided with a sliding cylinder so as to realize sliding on the guide rail of the clamping body.

5. The tool for moving the cooler tower of the doubly-fed generator of the wind generating set according to claim 1 or 3, wherein the tool comprises: the end, far away from the cooler, of each of the two clamping bodies in the movable tool unit is connected through the steel fixing strip, and the clamping bodies are prevented from rotating.