CN220043184U - Accurate embedding device for stator bar of large-sized hydraulic generator - Google Patents
Accurate embedding device for stator bar of large-sized hydraulic generator Download PDFInfo
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- CN220043184U CN220043184U CN202321241633.2U CN202321241633U CN220043184U CN 220043184 U CN220043184 U CN 220043184U CN 202321241633 U CN202321241633 U CN 202321241633U CN 220043184 U CN220043184 U CN 220043184U
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- wire rod
- stator
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- 238000000034 method Methods 0.000 abstract description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model discloses a precise embedding device for a stator bar of a large-sized hydraulic generator. The device is arranged on a large-scale hydro-generator stator circle measuring frame, the tail end of the circle measuring frame is connected with a telescopic device, the outer end of the telescopic device is connected with a rotating device capable of rotating around the central horizontal shaft of the circle measuring frame, and the rotating device is provided with at least one set of bar fixing mechanical arm; the telescopic device is a horizontal moving mechanism and comprises a motor or an oil cylinder and a telescopic rod driven by the motor or the oil cylinder; the rotating device is a truss which can rotate around the central horizontal axis of the circle measuring frame and on the vertical surface; the bar fixing manipulator is used for fixing the grabbing and releasing mechanism of the bar and is arranged on a truss of the rotating device and comprises a large-force clamping manipulator capable of being opened and closed. According to the device, the telescopic device and the rotating device on the horizontal support are used for accurately hanging and loading the wire rod, so that the safety is high, the safety risks of collision and scratch in the lifting process of the wire rod are reduced, the working efficiency is improved, and meanwhile, the damage probability of the wire rod is greatly reduced.
Description
Technical Field
The utility model belongs to the technical field of installation of electromechanical equipment of hydropower stations, relates to a stator bar hoisting device, and particularly relates to an accurate hoisting device for a stator bar of a large-sized hydraulic generator.
Background
The stator of the generator mainly comprises a stator base, an iron core, windings and the like, and the stator of the large-sized hydroelectric generating set is limited by factors such as transportation size, weight and the like, is transported to an installation site by using parts such as a split base, stator punching sheets, wire rods and the like, and is assembled into a whole through complex procedures such as stator base assembly welding, positioning rib installation, iron core stacking, magnetization test, stator offline and the like at a construction site. The single bar weight of large-scale hydraulic generator stator can reach 75kg, and longer, the line stick takes place to warp easily in handling, generally, 4 people evenly distributed carry around the line stick to hoist and mount the position, reduce the line stick deformation as far as possible, in utilize electric hoist line stick to inlay to the wire casing in-process, first need at first fix line stick one end under electric hoist, the other end is firm with suitable bandage ligature later, slowly down put by two staff on work platform, work platform and inlay the position approximately have about 3 meters high, inlay platform position by two people be responsible for the meeting, in the in-process of answering and electric hoist motion, because the construction place is limited, the line stick is collided easily, and four people are simultaneously required to work together at limited work place, greatly increased the limitation in place, a waste of personnel, in addition, the line stick belongs to high-precision equipment, once the damage just can not put into use again, will bring great economic loss for project portion, simultaneously, also can influence the damage of line under the line of construction.
Disclosure of Invention
The utility model discloses a device for precisely embedding a stator bar of a large-sized hydraulic generator according to the defects of the prior art. The utility model aims to provide a hoisting device for stator bars of a large-sized hydraulic generator, which is used for solving the problems that the bars are easy to collide and personnel waste in the embedding process, and the hoisting device can replace manual transportation by mechanical operation, so that the damage probability of the bars is greatly reduced while the working efficiency is improved.
The utility model is realized by the following technical scheme:
the utility model provides a large-scale hydraulic generator stator bar inlays dress device accurately which characterized in that: the device is arranged on a large-scale hydro-generator stator circle measuring frame, the tail end of the circle measuring frame is connected with a telescopic device, the outer end of the telescopic device is connected with a rotating device capable of rotating around the central horizontal shaft of the circle measuring frame, and the rotating device is provided with at least one set of bar fixing mechanical arm;
the telescopic device is a horizontal moving mechanism and comprises a motor or an oil cylinder and a telescopic rod driven by the motor or the oil cylinder;
the rotating device is a truss which can rotate around the central horizontal axis of the circle measuring frame and on the vertical surface;
the bar fixing manipulator is used for fixing the grabbing and releasing mechanism of the bar and is arranged on a truss of the rotating device and comprises a large-force clamping manipulator capable of being opened and closed.
The circle measuring frame further comprises a horizontal bracket, a circle measuring center column and a balancing weight; the circle measuring center column is arranged at the stator installation center of the large-scale hydraulic generator; the horizontal bracket is a truss-structured bracket, is horizontally connected and fixed on the round measurement center column and rotates around the column along with the round measurement center column; the balancing weight for balancing is arranged on the other side of the circle measuring center column which is radially opposite to the horizontal support.
The telescopic device is an oil cylinder telescopic mechanism, and the front end of the telescopic rod is provided with threads connected with the rotating device.
The rotating device is composed of a non-rotating part, a driving part and a rotating part, wherein the driving part is an oil cylinder or a motor and realizes rotation through remote control; the non-rotating part is a hollow cylinder and is provided with an internal thread which is in threaded connection with a telescopic rod of the telescopic device; the driving part drives the rotating part through a gear, and the rotating part and the non-rotating part can be rotationally sleeved; the high-force clamp of the wire rod fixing device is fixed on the rotating part of the rotating device.
The utility model provides a large-scale hydraulic generator stator bar hoist device, the device of the utility model can be divided and demolishd, equipment and whole removal hoist and mount, and the device carries out accurate hoist and mount through telescoping device and rotating device on the horizontal stand to the bar and puts into position, and its characteristics are that the security is high, reduce the bar and lift the safety risk of in-process collision, fish tail, reduced the requirement to stator platform and place of taking off the line, promote the bar to inlay and inlay factor of safety and work efficiency and obtain very big improvement.
Drawings
FIG. 1 is a top view of the relative position of the lifting device of the present utility model on a stator rounding platform;
FIG. 2 is a schematic diagram of the front view arrangement of the precise stator bar hoisting device of the utility model;
FIG. 3 is an enlarged view of the end of the precise stator bar lifting device of the utility model;
FIG. 4 is a schematic view of a lifting device telescoping device of the present utility model;
fig. 5 is a schematic view of a rotating device of the lifting device of the utility model.
In the figure, 1 is a wire rod fixing device, 2 is a rotating device, 2.1 is a non-rotating part, 2.2 is a driving part, 2.3 is a rotating part, 3 is a horizontal bracket, 4 is a circle measuring center column, 5 is a balancing weight, 6 is a telescopic device, 6.1 is a telescopic rod, and A is a circle measuring frame.
Detailed Description
The present utility model will be further described with reference to the following specific embodiments, which are intended to be illustrative of the principles of the present utility model and not in any way limiting, nor will the same or similar techniques be used in connection with the present utility model beyond the scope of the present utility model.
In combination with the accompanying drawings.
As shown in fig. 1, 2 and 3, the telescopic device 6 and the rotating device 2 are arranged at the tail end of the measuring arm of the stator circle measuring frame, the telescopic device 6 can automatically stretch along the horizontal direction, the length of the telescopic device and the length of the component are slightly larger than the radius of a stator iron core after the telescopic device is stretched, so that the telescopic device can meet the embedding of a wire rod, the rotating device 2 is fixed on the telescopic device 6 and can automatically rotate 360 degrees around the telescopic device 6, the wire rod fixing device 1 for fixing the wire rod is assembled on the rotating device 2, two large force clamps are arranged on the wire rod fixing device 1, the contact surface between the large force clamps and the wire rod can be correspondingly increased according to the weight of an actual embedded wire rod, the friction force can be increased, the clamping force between the large force clamps and the wire rod can be increased through the mechanical property of the large force clamps, and when the mechanical clamping force is increased, a layer of rubber can be filled between the wire rod and the large force clamps, and the wire rod damage is prevented. The screw rod is additionally arranged at the tail end of the high-force clamp, so that when the high-force clamp is used for fixing the wire rod, the high-force clamp and the wire rod can form a closed structure, and the situation that the wire rod falls off in the rotating process can be avoided due to the special structure of the wire rod.
As shown in fig. 4, the telescopic rod 6.1 of the telescopic device 6 is threaded, and the telescopic rod 6.1 can be telescopic by remote control.
As shown in fig. 5, the rotating device 2 is composed of a non-rotating part 2.1, a driving part 2.2 and a rotating part 2.3, wherein the driving part 2.2 realizes rotation through remote control. The inside of the non-rotating part 2.1 is a hollow cylinder, and internal threads are arranged, so that the telescopic rod 6.1 of the telescopic device 6 can be connected with the non-rotating part 2.1 of the rotating device 2 to form a whole; the driving part 2.2 drives the rotating part 2.3 through a gear, and the rotating part 2.3 and the non-rotating part 2.1 can be rotatably sleeved; the high-force clamp of the wire rod fixing device 1 is fixed on the rotating part 2.3 of the rotating device 2, so that the precise positioning and embedding of the wire rod are realized.
In the process of embedding the wire rod, firstly, the wire rod is horizontally fixed on the high-force clamp, the wire rod fixing device 1 is embedded into the wire rod through the telescopic device 6 when the wire rod is in a vertical state, the wire rod of each manufacturer is different in size, the specific structure size can be changed according to the wire rod size, after the fixation is completed, the screw rod at the tail end of the high-force clamp is closed, the wire rod and the high-force clamp form a closed structure, and due to the special structure of the wire rod, even if the high-force clamp is loose, the wire rod cannot fall off, so that the operation safety is greatly improved. And then the wire rod is rotated by 90 degrees through the rotating device 2 to enable the wire rod to be vertical, in the rotating process, the embedded platform and the stator circle measuring platform monitor up and down, the situation that collision cannot occur in the rotating process is ensured, when the wire rod is vertical, the wire rod is slowly conveyed to the position which is approximately 50mm away from the iron core, and when the embedded platform and the stator circle measuring platform observe that the embedded condition is met by the upper point and the lower point of the wire rod, the telescopic device continues to extend horizontally and extends previously, and the wire rod is ensured to reach the design position. After the wire rod is put in place, the wire rod can be fixed through a moving trolley on the stator rounding platform.
The utility model relates to a large-scale hydro-generator stator bar hoisting device, which comprises the following specific operation steps: the fixing device 1 clamps the wire rod horizontally and firmly, the wire rod is rotated by 90 degrees through the rotating device 2 to enable the wire rod to be vertical, then the wire rod is embedded into the designated groove through the telescopic device 6, a worker on the circle measuring platform fixes the wire rod on the horizontal trolley, so that the wire rod embedding work is completed, and the wire rod embedding work of the whole circle can be completed through the rotation of the horizontal support 3 in the same method.
Claims (4)
1. The utility model provides a large-scale hydraulic generator stator bar inlays dress device accurately which characterized in that: the device is arranged on a large-scale hydro-generator stator circle measuring frame, the tail end of the circle measuring frame is connected with a telescopic device, the outer end of the telescopic device is connected with a rotating device capable of rotating around the central horizontal shaft of the circle measuring frame, and the rotating device is provided with at least one set of bar fixing mechanical arm;
the telescopic device is a horizontal moving mechanism and comprises a motor or an oil cylinder and a telescopic rod driven by the motor or the oil cylinder;
the rotating device is a truss which can rotate around the central horizontal axis of the circle measuring frame and on the vertical surface;
the bar fixing manipulator is used for fixing the grabbing and releasing mechanism of the bar and is arranged on a truss of the rotating device and comprises a large-force clamping manipulator capable of being opened and closed.
2. The precise embedding device for stator bars of a large-sized hydraulic generator according to claim 1, wherein the precise embedding device comprises: the circle measuring frame comprises a horizontal bracket, a circle measuring center column and a balancing weight; the circle measuring center column is arranged at the stator installation center of the large-scale hydraulic generator; the horizontal bracket is a truss-structured bracket, is horizontally connected and fixed on the round measurement center column and rotates around the column along with the round measurement center column; the balancing weight for balancing is arranged on the other side of the circle measuring center column which is radially opposite to the horizontal support.
3. The precise embedding device for the stator bars of the large-sized hydraulic generator according to claim 2, wherein the precise embedding device is characterized in that: the telescopic device is an oil cylinder telescopic mechanism, and the front end of the telescopic rod is provided with threads connected with the rotating device.
4. The precise embedding device for stator bars of a large-sized hydraulic generator according to claim 3, wherein: the rotating device consists of a non-rotating part, a driving part and a rotating part, wherein the driving part is an oil cylinder or a motor and realizes rotation through remote control; the non-rotating part is a hollow cylinder and is provided with an internal thread which is in threaded connection with a telescopic rod of the telescopic device; the driving part drives the rotating part through a gear, and the rotating part and the non-rotating part can be rotationally sleeved; the high-force clamp of the wire rod fixing device is fixed on the rotating part of the rotating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321241633.2U CN220043184U (en) | 2023-05-22 | 2023-05-22 | Accurate embedding device for stator bar of large-sized hydraulic generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321241633.2U CN220043184U (en) | 2023-05-22 | 2023-05-22 | Accurate embedding device for stator bar of large-sized hydraulic generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220043184U true CN220043184U (en) | 2023-11-17 |
Family
ID=88720427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321241633.2U Active CN220043184U (en) | 2023-05-22 | 2023-05-22 | Accurate embedding device for stator bar of large-sized hydraulic generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220043184U (en) |
-
2023
- 2023-05-22 CN CN202321241633.2U patent/CN220043184U/en active Active
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