CN111872799A - On-spot automatic grinding device of hydraulic turbine - Google Patents
On-spot automatic grinding device of hydraulic turbine Download PDFInfo
- Publication number
- CN111872799A CN111872799A CN202010675864.9A CN202010675864A CN111872799A CN 111872799 A CN111872799 A CN 111872799A CN 202010675864 A CN202010675864 A CN 202010675864A CN 111872799 A CN111872799 A CN 111872799A
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- Prior art keywords
- runner
- track
- grinding device
- lifting platform
- vertical lifting
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/14—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding turbine blades, propeller blades or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/35—Accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J11/00—Manipulators not otherwise provided for
- B25J11/005—Manipulators for mechanical processing tasks
- B25J11/0065—Polishing or grinding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G35/00—Mechanical conveyors not otherwise provided for
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Robotics (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention provides a hydraulic turbine on-site automatic grinding device, which comprises: the annular rail trolley system comprises an annular rail and an RGV trolley arranged on the annular rail, the annular rail is arranged around the runner hub, and the RGV trolley can move along the circumferential direction of the annular rail; the vertical lifting system is arranged on the RGV and is a vertical lifting platform; the horizontal linear motion system is arranged at the upper part of the vertical lifting platform; the polishing robot is arranged on the horizontal linear motion system, the vertical lifting platform is used for driving the horizontal linear motion system to lift, and the horizontal linear motion system is used for driving the polishing robot to move horizontally, so that the polishing robot moves to a position needing polishing. The invention has the beneficial effects that: can send the polishing robot to the indoor wall of runner or the optional position that the blade of runner body needs to polish, realize the automatic function of polishing, have that the rigidity is good, convenient operation, the precision of polishing and efficient advantage.
Description
Technical Field
The invention relates to the technical field of water turbine maintenance equipment, in particular to a field automatic polishing device for a water turbine.
Background
In the maintenance process of the water turbine, the inner wall of a runner chamber and the lower part of a runner blade of the water turbine need to be polished, on-site polishing operation is generally completed by manual polishing, the manual polishing operation has high intensity and low efficiency, and the manual polishing precision cannot be ensured; in addition, the field polishing environment is severe, the inside of the water turbine is of a closed structure, the polishing area is large in diameter (about 10 meters) and high (about 5 meters), light is poor, dust generated by polishing is serious, and the damage to the health of polishing personnel is great. Therefore, need develop an automatic grinding device of hydraulic turbine, replace the artifical automatic operation of polishing that realizes in the hydraulic turbine inside to guarantee the precision of polishing, improve the efficiency of polishing, alleviate the artifical health hazard to the personnel of polishing, and can satisfy the not unidimensional hydraulic turbine operation demand of polishing.
Disclosure of Invention
In order to meet the automatic grinding requirement of the water turbine, the embodiment of the invention provides a field automatic grinding device of the water turbine.
The embodiment of the invention provides a field automatic polishing device for a water turbine, wherein the water turbine comprises a runner chamber and a runner body arranged in the runner chamber, and the polishing device comprises:
the annular rail trolley system comprises an annular rail and an RGV trolley arranged on the annular rail, the annular rail is arranged around the runner hub and positioned between the runner chamber and the runner hub, and the RGV trolley can move circumferentially along the annular rail;
the vertical lifting system is arranged on the RGV and is a vertical lifting platform;
the horizontal linear motion system is arranged at the upper part of the vertical lifting platform;
the polishing robot is arranged on the horizontal linear motion system, the vertical lifting platform is used for driving the horizontal linear motion system to lift, and the horizontal linear motion system is used for driving the polishing robot to move horizontally, so that the polishing robot moves to the inner wall of the runner chamber or the position of a blade of the runner body needing to be polished.
Furthermore, the annular track is a polygon with a rounded corner, and each side of the annular track comprises multiple linear track sections which are connected in sequence.
Further, the circular orbit includes relative upper portion track and the lower part supporting beam that sets up from top to bottom, the upper portion track with connect through a plurality of leveling locking parts between the supporting beam of lower part, the supporting beam lower part of lower part is fixed in on the track support frame, the track support frame below is equipped with mounting flange and servo electric jar, mounting flange is fixed in on the inner wall of runner room, the mounting flange upper end is connected the track support frame leans on outer one end, servo electric jar upper end is connected the track support frame leans on interior one end.
Furthermore, the leveling locking component comprises a fixing plate, a supporting plate and a pressing plate, the lower part of the fixing plate is fixed on the lower supporting beam, the supporting plate is arranged above the fixing plate, an adjusting screw rod is arranged between the fixing plate and the supporting plate, the lower end of the adjusting screw rod is fixed on the fixing plate, the upper end of the adjusting screw rod penetrates through the supporting plate, two adjusting nuts which are respectively arranged on the upper side and the lower side of the supporting plate are arranged on the adjusting screw rod, the bottom of the upper portion track is arranged on the supporting plate, one end of the pressing plate is fixed on the upper surface of the supporting plate through.
Furthermore, the outer side of the vertical lifting platform is provided with a telescopic electromagnet, and the telescopic electromagnet is used for adsorbing the inner wall of the runner chamber.
Further, the vertical lifting platform is a scissor type lifting platform or a guide rail type lifting platform.
Furthermore, the horizontal linear motion system is a synchronous belt type linear module or a screw rod type linear module or a gear rack linear module driven by a motor.
Further, the bottom of the RGV is provided with a locking component matched with the annular track.
The technical scheme provided by the embodiment of the invention has the following beneficial effects: according to the on-site automatic grinding device for the water turbine, the peripheral motion of the grinding robot is realized through the RGV trolley and the annular track, the vertical lifting motion of the grinding robot is realized through the vertical lifting platform, the horizontal linear motion of the grinding robot is realized through the horizontal linear motion system, the grinding robot can be conveyed to any position on the inner wall of the runner chamber or on the blade of the runner body to be ground, the automatic grinding function is realized, and the on-site automatic grinding device for the water turbine has the advantages of good rigidity, convenience in operation, high grinding precision and high efficiency.
Drawings
FIG. 1 is a schematic view of an on-site automatic grinding device for a water turbine according to the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B;
fig. 4 is an enlarged schematic view of the leveling lock member 12 of fig. 2.
In the figure: 101-runner chamber, 102-runner body, 103-bent, 1-mounting flange, 2-track support frame, 3-annular track, 4-servo electric cylinder, 5-RGV trolley, 6-vertical lifting platform, 7-telescopic electromagnet, 8-horizontal linear motion system, 9-polishing robot, 10-upper track, 11-lower support beam, 12-leveling locking component, 13-fixing plate, 14-adjusting screw, 15-support plate, 16-adjusting nut, 17-pressing plate and 18-locking bolt.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1, an embodiment of the present invention provides an on-site automatic grinding device for a water turbine, where the water turbine includes a runner chamber 101 and a runner hub 102 disposed in the runner chamber 101, and the grinding device includes: an annular rail trolley system, a vertical lifting system, a horizontal linear motion system 8 and a grinding robot 9.
Specifically, the annular track trolley system comprises an annular track 3 and an RGV trolley 5 arranged on the annular track 3, the annular track 3 is arranged around the runner hub 102 and is located between the runner chamber 101 and the runner hub 102, and the RGV trolley 5 can move circumferentially along the annular track 3, that is, the RGV trolley 5 can move circumferentially around the runner hub 102 along the annular track 3.
Referring to fig. 2, the circular track 3 is a polygon with rounded corners at the vertex angles, and each side of the circular track 3 includes a plurality of linear track segments connected in sequence. The length and the number of the linear track sections can be changed, so that the shape of the annular track 3 can be adjusted to meet the grinding requirements of water turbines with different sizes.
Referring to fig. 4, in the present embodiment, the circular rail 3 includes an upper rail 10 and a lower support beam 11 disposed opposite to each other, and the upper rail 10 and the lower support beam 11 are connected by a plurality of leveling and locking members 12 disposed vertically. Specifically, leveling locking part 12 includes fixed plate 13, backup pad 15 and clamp plate 17, fixed plate 13 lower part is fixed in on the lower part supporting beam 11, backup pad 15 set up in fixed plate 13 top and be equipped with adjusting screw 14 between the two, adjusting screw 14 lower extreme is fixed in the upper and upper end of fixed plate 13 is run through backup pad 15, be equipped with on adjusting screw 14 and be located respectively two adjusting nut 16 of backup pad 15 upper and lower both sides, two adjusting nut 16 will backup pad 15 presss from both sides tightly fixedly. The bottom of the upper rail 10 is seated on the support plate 15, one end of the pressure plate 17 is fixedly connected to the upper surface of the support plate 15 by a locking bolt 18, and the other end is used for pressing the upper rail 10, so that the upper rail 10 is pressed and fixed on the support plate 15 by the pressure plate 17. The height of the support plate 15 is adjusted by adjusting the position of the adjusting nut 16 on the adjusting screw 14, which is located below the support plate 15, to level the upper rail 10.
11 lower part of lower part supporting beam is fixed in on the track support frame 2, 2 below of track support frame are equipped with mounting flange 1 and servo electric jar 4, mounting flange 1 is fixed in on the inner wall of runner room 101, 1 upper end of mounting flange is connected track support frame 2 leans on outer one end, servo electric jar 4 upper end is connected track support frame 2 leans on interior one end. Mounting flange 1 is through welded fastening in runner room 101 inner wall bottom, mounting flange 1 is for bearing the part of grinding device main load has solved the limited problem of hydraulic turbine bottom framed bent 103 bearing capacity. The servo cylinder 4 can improve the rigidity of the circular track 3.
The bottom of the RGV trolley 5 is arranged on the upper track 10 and can move along the upper track 10, the bottom of the RGV trolley 5 is provided with a locking component matched with the annular track 3, and the locking component is used for fixing the position of the RGV trolley 5 and preventing the RGV trolley 5 from overturning so as to ensure the safety and reliability of the polishing operation.
Referring to fig. 3, the vertical lifting system is disposed on the RGV trolley 5, the vertical lifting system is a vertical lifting platform 6, and the vertical lifting platform 6 is fixedly connected to the RGV trolley 5 and can move circumferentially around the runner hub 102 together with the RGV trolley 5.
The vertical lifting platform 6 is used for realizing the lifting function in the vertical direction, can select lifting platforms in various forms, and can generally select a scissor type lifting platform or a guide rail type lifting platform due to the fact that the vertical lifting platform 6 has higher rigidity for ensuring the grinding precision. In addition, in this embodiment, the outer side of the vertical lift platform 6 is provided with a telescopic electromagnet 7, the telescopic electromagnet 7 is used for adsorbing the inner wall of the runner chamber 101, and the rigidity of the vertical lift platform 6 is improved by the adsorption effect of the telescopic electromagnet 7 on the inner wall of the runner chamber 101.
The horizontal linear motion system 8 is arranged on the upper portion of the vertical lifting platform 6, the horizontal linear motion system 8 is fixed on the vertical lifting platform 6, and the horizontal linear motion system 8 is used for realizing horizontal linear motion, namely, realizing linear motion between the runner hub 102 and the inner wall of the runner hub chamber 101, and can be in various forms. Here, the horizontal linear motion system 8 may select a synchronous belt type linear module or a screw rod type linear module or a rack and pinion type linear module driven by a motor.
The polishing robot 9 is disposed on the horizontal linear motion system 8, and the horizontal linear motion function between the runner body 102 and the inner wall of the runner chamber 101 is realized by the horizontal linear motion system 8 mounted on the vertical lift platform 6, so that the polishing robot 9 can be transported to the side of the runner body 102 or the side of the inner wall of the runner chamber 101.
Referring to fig. 1, 2 and 3, in the above-mentioned on-site automatic grinding device for a water turbine, the RGV trolley 5 and the annular rail 3 are used to realize circumferential movement of the grinding robot 9, the vertical lifting platform 6 is used to realize vertical lifting movement of the grinding robot 9, the horizontal linear movement system 8 is used to realize horizontal linear movement of the grinding robot 9, and the grinding robot 9 can be sent to any position where the inner wall of the runner chamber 101 or the blade of the runner body 102 needs to be ground, so as to realize automatic grinding of the grinding area.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The utility model provides an on-spot automatic grinding device of hydraulic turbine, the hydraulic turbine include runner room with set up in the indoor runner body of runner, its characterized in that, grinding device includes:
the annular rail trolley system comprises an annular rail and an RGV trolley arranged on the annular rail, the annular rail is arranged around the runner hub and positioned between the runner chamber and the runner hub, and the RGV trolley can move circumferentially along the annular rail;
the vertical lifting system is arranged on the RGV and is a vertical lifting platform;
the horizontal linear motion system is arranged at the upper part of the vertical lifting platform;
the polishing robot is arranged on the horizontal linear motion system, the vertical lifting platform is used for driving the horizontal linear motion system to lift, and the horizontal linear motion system is used for driving the polishing robot to move horizontally, so that the polishing robot moves to the inner wall of the runner chamber or the position of a blade of the runner body needing to be polished.
2. The on-site automatic grinding device for the water turbine as claimed in claim 1, wherein: the annular track is a polygon with a rounded corner, and each side of the annular track comprises a plurality of linear track sections which are connected in sequence.
3. The on-site automatic grinding device for the water turbine as claimed in claim 1, wherein: the circular orbit includes relative upper portion track and the lower part supporting beam that sets up from top to bottom, the upper portion track with connect through a plurality of leveling locking parts between the supporting beam of lower part, the supporting beam lower part of lower part is fixed in on the track support frame, track support frame below is equipped with mounting flange and servo electric jar, mounting flange is fixed in on the inner wall of runner room, the mounting flange upper end is connected the track support frame leans on outer one end, servo electric jar upper end is connected the track support frame leans on interior one end.
4. The on-site automatic grinding device for the water turbine as claimed in claim 3, wherein: the leveling locking component comprises a fixing plate, a supporting plate and a pressing plate, the lower portion of the fixing plate is fixed on the lower portion supporting beam, an adjusting screw rod is arranged above the fixing plate and between the fixing plate and the supporting plate, the lower end of the adjusting screw rod is fixed on the fixing plate, the upper end of the fixing plate penetrates through the supporting plate, two adjusting nuts which are respectively located on the upper side and the lower side of the supporting plate are arranged on the adjusting screw rod, the bottom of the upper portion track is located on the supporting plate, and one end of the pressing plate is fixed on the upper surface of the supporting plate through a locking.
5. The on-site automatic grinding device for the water turbine as claimed in claim 1, wherein: and a telescopic electromagnet is arranged on the outer side of the vertical lifting platform and is used for adsorbing the inner wall of the runner chamber.
6. The on-site automatic grinding device for the water turbine as claimed in claim 1, wherein: the vertical lifting platform is a scissor type lifting platform or a guide rail type lifting platform.
7. The on-site automatic grinding device for the water turbine as claimed in claim 1, wherein: the horizontal linear motion system is a synchronous belt type linear module or a screw rod type linear module or a gear rack linear module driven by a motor.
8. The on-site automatic grinding device for the water turbine as claimed in claim 1, wherein: and a locking component matched with the annular track is arranged at the bottom of the RGV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010675864.9A CN111872799A (en) | 2020-07-14 | 2020-07-14 | On-spot automatic grinding device of hydraulic turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010675864.9A CN111872799A (en) | 2020-07-14 | 2020-07-14 | On-spot automatic grinding device of hydraulic turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111872799A true CN111872799A (en) | 2020-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010675864.9A Pending CN111872799A (en) | 2020-07-14 | 2020-07-14 | On-spot automatic grinding device of hydraulic turbine |
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| Country | Link |
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| CN (1) | CN111872799A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114161445A (en) * | 2021-12-17 | 2022-03-11 | 上海杭和智能科技有限公司 | Robot general platform of polishing |
| CN117840874A (en) * | 2024-01-26 | 2024-04-09 | 江苏万恒新材料科技有限公司 | Grinding structure for machining turbine blades |
-
2020
- 2020-07-14 CN CN202010675864.9A patent/CN111872799A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114161445A (en) * | 2021-12-17 | 2022-03-11 | 上海杭和智能科技有限公司 | Robot general platform of polishing |
| CN117840874A (en) * | 2024-01-26 | 2024-04-09 | 江苏万恒新材料科技有限公司 | Grinding structure for machining turbine blades |
| CN117840874B (en) * | 2024-01-26 | 2024-08-16 | 江苏万恒新材料科技有限公司 | Grinding structure for machining turbine blades |
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