CN205566033U - Dismounting device of hydro -generator rotor magnetic pole key - Google Patents

Abstract

The utility model discloses a dismantling device for a magnetic pole key of a hydraulic generator rotor, which is characterized in that it comprises: a T-shaped main body, a welding part fixedly connected with the magnetic pole key, fixedly connected to the lower end of the main body, and The connection part is detachably connected with the welding block, and the lifting device is matched with the main part, and the lifting device can be used to jack up the main part. The dismantling device has simple structure and convenient operation, and can safely, quickly and effectively disassemble the magnetic pole key.

Description

Dismantling device for magnetic pole key of hydroelectric generator rotor

technical field

The utility model relates to a dismantling device, in particular to a dismantling device for a rotor magnetic pole key of a hydraulic generator.

Background technique

The hydro-generator is installed in the hydropower station, and performs the function of converting the mechanical energy of the hydro-turbine into electrical energy; the rotor is the rotating part of the hydro-generator, and its function is to generate a magnetic field; Magnetic induction components for rotating magnetic fields.

During the overhaul of the hydroelectric generator, the magnetic pole key is usually lifted and pulled out by the main hook of the bridge crane. Because the lifting and dismounting force of the bridge crane is not easy to grasp, and the lifting center is not easy to adjust, there are many potential safety hazards, which may easily cause safety accidents and equipment damage. Damage accidents and low work efficiency. Therefore it is necessary to provide a special dismounting device.

Utility model content

The purpose of this utility model is to provide a dismantling device for the magnetic pole key of the rotor of a hydro-generator aiming at the above defects in the prior art. The device is simple in structure, easy to operate, and can safely, quickly and effectively disassemble the magnetic pole key.

In order to achieve the purpose of the above-mentioned utility model, the utility model adopts the following technical scheme: a dismantling device for the magnetic pole key of the rotor of the hydro-generator, which includes: a T-shaped main body, a welding piece fixedly connected with the magnetic pole key, a fixing The connecting piece connected to the lower end of the main body and detachably connected with the welding block, and the lifting equipment matched with the main body, the lifting equipment can be used to jack up the main body.

In addition, the utility model also provides the following subsidiary technical solutions:

The main part includes a horizontal plate and a vertical plate, the horizontal plate is fixedly connected to the top of the vertical plate, and the connection point is located at the center of the horizontal plate.

The upper part of the welding block is provided with a through hole, and the lower part is provided with a connecting groove extending longitudinally, and the connecting groove can be connected with the magnetic pole key.

The connecting piece includes: a connecting plate, a first clamping plate and a second clamping plate, the connecting plate is fixedly connected to the vertical plate of the main body, the first clamping plate and the second clamping plate are parallel to each other and perpendicular to the connecting plate, the welding The parts are inserted between the first splint and the second splint, and are connected to each other by bolts.

The lifting device is a hydraulic jack.

Compared with the prior art, the utility model has the advantages of disclosing a dismantling device for the magnetic pole key of the rotor of a hydro-generator. easy. The connecting piece and the welding piece adopt detachable fixed connection, which is easy to disassemble and improves work efficiency. The lifting equipment cooperates with the main parts, which eliminates the potential safety hazards to the staff and equipment caused by the use of the bridge type door crane, and reflects the high safety performance of the dismantling device.

Description of drawings

Fig. 1 is a structural schematic diagram of a dismantling device for a rotor magnetic pole key of a hydro-generator according to the utility model.

detailed description

The technical solution of the utility model is described in further non-limiting detail below in combination with preferred embodiments and accompanying drawings.

Referring to Fig. 1, the dismantling device of the rotor magnetic pole key of the hydro-generator includes a main body 1, a connecting piece 2, a welding piece 3, and a lifting device (not shown in the figure), the main body 1 is used to accept the force of the lifting device, The connecting piece 2 is fixedly connected to the main body 1 , the welding piece 3 is detachably connected to the connecting piece 2 , and is fixedly connected to the magnetic pole key (not shown).

The main body 1 is T-shaped, and includes a horizontal plate 10 and a vertical plate 11 , the horizontal plate 10 is fixedly connected to the top of the vertical plate 11 , and the connection point is located at the center of the horizontal plate 10 .

The connecting piece 2 is fixedly connected to the bottom end of the vertical plate 11, specifically, the connecting piece 2 includes a connecting plate 20, a first clamping plate 21 and a second clamping plate 22, wherein the connecting plate 20 and the vertical plate 11 are fixedly connected to each other by welding, The first clamping plate 21 and the second clamping plate 22 are parallel to each other, and both are perpendicular to the connecting plate 20, and are fixedly connected to each other. There is a gap between the first clamping plate 21 and the second clamping plate 22 , and the size of the gap is slightly larger than the thickness of the weldment 3 . Both the first splint 21 and the second splint 22 are provided with connection holes 100 .

The upper part of the weldment 3 is provided with a through hole 200, and the lower part is provided with a connecting groove 30 extending longitudinally. The width of the connecting groove 30 is slightly larger than the thickness of the magnetic pole key, and can be connected with the magnetic pole key.

The dismounting method of the dismounting device of the hydroelectric generator rotor magnetic pole key of the utility model is as follows:

1) Weld one end of the magnetic pole key to the connection groove 30 of the weldment 3, so that the magnetic pole key and the weldment 3 are integrated;

2) Insert the weldment 3 between the first clamping plate 21 and the second clamping plate 22, and at the same time make the through hole 200 of the weldment 3 correspond to the two connection holes 100, and then insert the bolt 4 into the connection hole 100 and the through hole 200 , and then threadedly connect the nut 5 and the bolt 4;

3) Two ends of the horizontal plate 10 of the main body 1 are respectively jacked up with two lifting devices of the same specification, and the magnetic pole key is removed under the action of the lifting force. The hoisting equipment of the present embodiment is a hydraulic jack.

A plurality of welding parts 3 can be made, and the welding parts 3 can be welded to the magnetic pole key in advance during the disassembly process, so as to improve work efficiency.

To sum up, the utility model of the dismantling device and dismantling method of the rotor magnetic pole key of the hydro-generator has the following advantages:

1. The T-shaped design of the main body 1 meets the needs of the strength and structure of the hydraulic jack, and eliminates the potential safety hazards to the staff and equipment of the bridge-type door crane.

2. The main part 1, the connecting part 2 and the welding part 3 are designed separately. When working, it is only necessary to weld the magnetic pole key and the welding part 3, and then the welding part 3 and the connecting part 2 are connected by bolts, which is a detachable fixed connection. Convenient and improve work efficiency.

3. The weldment 3 is easy to manufacture and can be made in multiples. Welding the weldment 3 with the magnetic pole key in advance can greatly improve work efficiency and save construction period and human resources.

4. The hydraulic jack is used for disassembly, which is safe and reliable, and the disassembly process is easy to control.

It should be pointed out that the above-mentioned preferred embodiments are only to illustrate the technical conception and characteristics of the present utility model, and its purpose is to enable those familiar with this technology to understand the content of the present utility model and implement it accordingly, and not to limit this utility model. Protection scope of utility model. All equivalent changes or modifications made according to the spirit of the utility model shall fall within the protection scope of the utility model.

Claims (5)

1. A dismantling device for a magnetic pole key of a hydroelectric generator rotor, characterized in that it comprises: a T-shaped main body, a welding piece fixedly connected to the magnetic pole key, fixedly connected to the lower end of the main body, and connected to the welding block The connecting parts are detachably connected to each other, and the lifting device matched with the main part, the lifting device can be used to jack up the main part. 2. The dismantling device for the magnetic pole key of the rotor of a hydro-generator according to claim 1, wherein the main body comprises a horizontal plate and a vertical plate, the horizontal plate is fixedly connected to the top of the vertical plate, and the connection point is located on the horizontal plate center of. 3. The dismantling device of the rotor magnetic pole key of the hydro-generator according to claim 1, characterized in that, the upper part of the welding block is provided with a through hole, and the lower part is provided with a connecting groove extending longitudinally, and the connecting groove can be connected with The magnetic poles are bonded to each other. 4. The dismantling device of the rotor magnetic pole key of the hydro-generator according to claim 1, characterized in that, the connecting piece comprises: a connecting plate, a first clamping plate and a second clamping plate, the vertical connection between the connecting plate and the main body The plates are fixedly connected, the first clamping plate and the second clamping plate are parallel to each other, and are perpendicular to the connecting plate, the welding parts are inserted between the first clamping plate and the second clamping plate, and are connected to each other by bolts. 5. The dismantling device of the rotor magnetic pole key of the hydraulic generator according to claim 1, wherein the lifting device is a hydraulic jack.