CN221400759U - Automatic jigger device of hydroelectric generating set - Google Patents
Automatic jigger device of hydroelectric generating set Download PDFInfo
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- CN221400759U CN221400759U CN202322512267.6U CN202322512267U CN221400759U CN 221400759 U CN221400759 U CN 221400759U CN 202322512267 U CN202322512267 U CN 202322512267U CN 221400759 U CN221400759 U CN 221400759U
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- generating set
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- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000004891 communication Methods 0.000 description 1
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- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
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Abstract
The utility model discloses an automatic jigger device of a hydroelectric generating set, which comprises: the base plays a supporting role; the telescopic supporting unit is arranged on the base; the driving unit is supported and suspended above the base through the telescopic supporting unit and used for driving the unit equipment to slowly rotate. The device adopts a motor driving mode, and directly acts on the brake ring through the driving wheel to provide tangential force, so that the turning process is more balanced.
Description
Technical Field
The utility model relates to the technical field of adjusting brackets, in particular to an automatic turning device of a hydroelectric generating set.
Background
The large-sized hydroelectric generating set often needs turning in the process of installing and overhauling the set, and the weight of the rotating part of the large-sized hydroelectric generating set is 3000-5000t, so that turning is difficult. At present, three modes of mechanical jiggering, electric jiggering and manual jiggering are commonly used, and the mechanical jiggering enables a unit to slowly rotate by means of external traction; the electric jigger respectively applies current to the stator and rotor coils of the generator, and the generator set rotates by utilizing the interaction force generated by the magnetic fields of the stator and the rotor; the manual jigger is rotated by manually operating a traction unit such as a chain block. However, in the overhaul process of the large-sized hydroelectric generating set, manual jigging is often used as the mechanical jigging needs to disassemble and assemble parts such as the air compensating valve, and time is needed, and in the resetting process of the air compensating valve, the jigging is often needed to determine the center, and the two parts are contradicted with each other; the electric jigger needs special wiring and a special driving power supply, the access process is complex, and the low-frequency current is damaged to the unit; therefore, the actual jiggering in the field is still mainly manual jiggering.
The manual jigger mainly uses a chain block and other pulling units to rotate, but the manual jigger has low efficiency, and because the chain block guide chain is discontinuous in the telescoping process, the jigger is unstable in process and extremely poor in safety and universality, if the condition of poor degree of the water truck of the unit is met, a large force is required to rotate the rotor, and the condition of breakage of a steel wire rope and the like is possibly caused; the weight of the rotating part is large, so that the inertia is also large, and the rotating part cannot accurately stay on the measuring point during manual turning. The hand chain block is required to be pulled for about 50 meters for one circle of turning, so that a great deal of manpower is consumed; if the levelness of the unit is large, the unbalanced force is large, and the chain block is not pulled at all, even the steel wire rope is broken, and the risk of injury to operators exists. Therefore, all the existing three jigger devices have the difficulty which cannot be overcome.
Disclosure of utility model
The utility model aims to provide an automatic turning gear of a hydroelectric generating set, which aims to solve the technical problems in the background technology.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
An automatic jigger device of a hydroelectric generating set, comprising: the base plays a supporting role; the telescopic supporting unit is arranged on the base; the driving unit is supported and suspended above the base through the telescopic supporting unit and used for driving the unit equipment to slowly rotate.
In some embodiments, the telescopic support unit is four air springs or electric pushrods.
In some embodiments, the driving unit comprises a driving frame, a plurality of driving rollers, a driving motor and a speed reducer, the driving rollers are rotatably arranged in the driving frame, driving wheels in one-to-one correspondence connection with the driving rollers are arranged on the outer wall of the driving frame, the driving motor and the speed reducer are arranged below the driving frame through a guide frame, driving belts are sleeved at the output ends of the driving motor and the speed reducer, and the other ends of the driving belts are sleeved on the driving wheels.
In some embodiments, the driving unit further comprises belt press rollers, and a plurality of belt press rollers are respectively arranged between adjacent driving wheels and used for guiding the driving belt in a pressing way.
In some embodiments, the plurality of drive rollers are equally spaced.
In some embodiments, the base is provided with a mechanical locking mounting hole for locking the drive unit.
In some embodiments, a limiting block is arranged on the base and used for resisting the reverse acting force of the driving unit during jigger.
Compared with the prior art, the utility model has the following beneficial effects:
1. the device adopts a motor driving mode, and directly acts on the brake ring through the driving wheel to provide tangential force, so that the turning process is more balanced. The device can also be driven by a hydraulic motor, and the driving force is stronger.
2. The measured data are more reliable, fixed-point parking is realized through starting and stopping of the motor, and reliability of jigger data is guaranteed.
3. The installation process and the jigger process do not need to remove any part of the unit, and the jigger is convenient to install, simple and flexible to operate.
4. The device has good universality, reduces labor cost and improves working efficiency.
5. The device is symmetrically arranged, and the eccentric problem of single-point driving during manual turning is avoided.
Drawings
Fig. 1 is a schematic diagram of an automatic jigger of a hydro-generator set.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions in the preferred embodiments of the present application will be described in more detail with reference to the accompanying drawings in the preferred embodiments of the present application. In the drawings, the same or similar reference numerals refer to the same or similar components or components having the same or similar functions throughout. The described embodiments are some, but not all, embodiments of the application. The embodiments described below by referring to the drawings are illustrative and intended to explain the present application and should not be construed as limiting the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
In the description of the present application, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be fixedly connected, or indirectly connected through intermediaries, for example, or may be in communication with each other between two elements or in an interaction relationship between the two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present application, it should be understood that the terms "upper," "lower," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship of the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or display that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed or inherent to such process, method, article, or display.
An automatic jigger for a hydro-generator set according to an embodiment of the present application will be described in detail with reference to fig. 1. It is noted that the following examples are only for explaining the present application and are not to be construed as limiting the present application.
Example 1:
Referring to fig. 1, an automatic jigger of a hydroelectric generating set includes: the telescopic support device comprises a base 1, a telescopic support unit and a driving unit, wherein the base plays a support role; the telescopic supporting unit is arranged on the base; the driving unit is supported and suspended above the base through the telescopic supporting unit and is used for driving the unit equipment to slowly rotate. The telescopic supporting units are four air springs 2 or electric push rods, and the embodiment mainly adopts the air springs. The air spring has bearing capacity, shock absorption and lifting; the spring is relieved when not in use. The base is provided with a mechanical locking mounting hole 7 for locking the driving unit.
The jigger can be arranged on a unit at ordinary times, the air spring is contracted after exhausting, the driving unit descends and is separated from the braking ring, the driving unit is separated from a rotating part of the unit, and a mechanical locking screw is arranged in a mechanical locking mounting hole, so that the unit is ensured not to contact the braking ring when normally operating. When the disc is needed, the mechanical lock is removed, the air spring is filled with compressed air with specified pressure, the whole device is lifted, the driving roller is contacted with the brake ring, and the driving unit is electrified, so that the unit can be driven to rotate slowly.
In some embodiments, the driving unit includes a driving frame, a plurality of driving rollers 4, a driving motor and a speed reducer 3, the driving rollers are rotatably disposed in the driving frame, driving wheels 5, the number of which is connected with the driving rollers in a one-to-one correspondence manner, are disposed on the outer wall of the driving frame, the driving motor and the speed reducer are disposed below the driving frame through a guiding frame, a driving belt 9 is sleeved at the output ends of the driving motor and the speed reducer, and the other ends of the driving belt are sleeved on the driving wheels. The driving roller and the braking ring have larger friction coefficient, and rotate under the action of the driving motor and the speed reducer, so that friction force is generated to act on the braking ring, and the unit rotates.
In order to enable the driving belt to play a better role in transferring power to each driving wheel, the driving unit further comprises belt press rollers 8, and a plurality of belt press rollers are respectively arranged between adjacent driving wheels and used for pressing and guiding the driving belt, so that the contact area between the driving belt and the driving wheels is increased, the friction force is increased, the transmission effect is improved, and slipping is prevented.
In some embodiments, the plurality of driving rollers are arranged at equal intervals, and the equal intervals can enable the friction force applied by the brake wheel to be uniform and controllable when the driving rollers are in contact with the brake wheel.
In some embodiments, a limiting block 6 is arranged on the base, and the limiting block is used for resisting the reverse acting force of the driving unit during jigger.
The foregoing description of the preferred embodiment of the utility model is provided for the purpose of illustration only, and is intended to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.
Claims (6)
1. An automatic jigger device of a hydroelectric generating set, comprising:
the base plays a supporting role;
the telescopic supporting unit is arranged on the base;
The driving unit is supported and suspended above the base through the telescopic supporting unit and is used for driving the unit equipment to slowly rotate;
The driving unit comprises a driving frame, a plurality of driving rollers, a driving motor and a speed reducer, wherein the driving rollers are rotatably arranged in the driving frame, driving wheels in one-to-one correspondence connection with the driving rollers are arranged on the outer wall of the driving frame, the driving motor and the speed reducer are arranged below the driving frame through guide frames, driving belts are sleeved at the output ends of the driving motor and the speed reducer, and the other ends of the driving belts are sleeved on the driving wheels.
2. The automatic jigger of a hydroelectric generating set according to claim 1, wherein the telescopic supporting units are four air springs or electric push rods.
3. The automatic jigger of a hydro-generator set according to claim 1, wherein the driving unit further comprises belt press rollers, a plurality of the belt press rollers being respectively disposed between adjacent driving wheels for pressing and guiding the driving belt.
4. The automatic jigger of a hydroelectric generating set according to claim 1, wherein the plurality of driving rollers are disposed at equal intervals.
5. The automatic jigger of a hydroelectric generating set according to claim 1, wherein the base is provided with a mechanical locking mounting hole for locking the driving unit.
6. The automatic jigger of a hydroelectric generating set according to claim 1, wherein the base is provided with a limiting block, and the limiting block is used for resisting the reverse acting force of the driving unit during jigger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322512267.6U CN221400759U (en) | 2023-09-15 | 2023-09-15 | Automatic jigger device of hydroelectric generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322512267.6U CN221400759U (en) | 2023-09-15 | 2023-09-15 | Automatic jigger device of hydroelectric generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221400759U true CN221400759U (en) | 2024-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322512267.6U Active CN221400759U (en) | 2023-09-15 | 2023-09-15 | Automatic jigger device of hydroelectric generating set |
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| Country | Link |
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| CN (1) | CN221400759U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117212026A (en) * | 2023-09-15 | 2023-12-12 | 三峡金沙江川云水电开发有限公司 | An automatic turning structure of a hydroelectric generator set |
-
2023
- 2023-09-15 CN CN202322512267.6U patent/CN221400759U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117212026A (en) * | 2023-09-15 | 2023-12-12 | 三峡金沙江川云水电开发有限公司 | An automatic turning structure of a hydroelectric generator set |
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