CN212286003U - Combined type hydraulic generator crown ring abrasion online repairing and flatness detecting device - Google Patents
Combined type hydraulic generator crown ring abrasion online repairing and flatness detecting device Download PDFInfo
- Publication number
- CN212286003U CN212286003U CN201920937324.6U CN201920937324U CN212286003U CN 212286003 U CN212286003 U CN 212286003U CN 201920937324 U CN201920937324 U CN 201920937324U CN 212286003 U CN212286003 U CN 212286003U
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- diameter high
- slewing bearing
- crown ring
- mounting hole
- detecting device
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- 238000005299 abrasion Methods 0.000 title claims abstract description 10
- 238000009434 installation Methods 0.000 claims abstract description 9
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 4
- 238000003801 milling Methods 0.000 claims description 33
- 238000003754 machining Methods 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000011084 recovery Methods 0.000 abstract 1
- 238000003466 welding Methods 0.000 abstract 1
- 230000008439 repair process Effects 0.000 description 8
- 238000012545 processing Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- ZJEWVOJUXVSQAT-UHFFFAOYSA-N Arborone Natural products OCC1C(OCC1(O)C(=O)c2ccc3OCOc3c2)c4ccc5OCOc5c4 ZJEWVOJUXVSQAT-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012031 short term test Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Hydraulic Turbines (AREA)
Abstract
The utility model discloses a combined type hydraulic generator crown ring abrasion on-line repairing and flatness detecting device, which comprises a large-diameter high-precision rotary bearing, all be equipped with mounting hole A on the wall of its left and right sides, be equipped with the bracket crossbeam support on the mounting hole A, be provided with the installation position on the bracket crossbeam support, still be provided with mounting hole A on the excircle wall of major diameter high accuracy slewing bearing, major diameter high accuracy slewing bearing is connected to the installation position through mounting hole A, the bracket crossbeam supports evenly to be connected on major diameter high accuracy slewing bearing's excircle lateral wall through the screw rod, be provided with mounting hole B on major diameter high accuracy slewing bearing's the interior circular lateral wall, be provided with the internal tooth on the mounting hole B, the internal installation of internal tooth is fixed with the axis of rotation, the axis of rotation is through being connected with gyration servo motor speed reducer, the bracket crossbeam supports the excircle rigid fixation who acts on major diameter high accuracy slewing bearing. The utility model discloses can be good with the position on-line build-up welding aftermachining of wearing and tearing in the short time, the original size of recovery plant can effectively avoid because of the huge economic loss who leads to the fact for the enterprise of returning the factory to restore.
Description
Technical Field
The utility model relates to a hydraulic generator crown ring especially relates to a modular hydraulic generator crown ring wearing and tearing are restoreed on line and flatness detection device, relates to mechanical technical field.
Background
Hydroelectric power plant's hydraulic turbine crown ring and shell body are installed in underground factory building, because hydraulic turbine rotor crown ring and casing can appear serious wearing and tearing in long-term operation, need restore it, but traditional maintenance method is to break down hydraulic turbine and crown ring, transports back original producer and restores. Because the diameter of the hydraulic turbine crown ring is very big, the weight is very heavy, the disassembly and the assembly are time-consuming and labor-consuming, the transportation and the repair time are long, and the great interference is caused to the normal production of enterprises.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of prior art, the utility model provides a modular hydraulic generator crown ring wearing and tearing are restoreed on line and flatness detection device can solve and need to disintegrate hydraulic turbine and crown ring after current hydraulic generator crown ring wearing and tearing, transport back former producer and restore, waste time and energy, cause the problem of very big interference for enterprise's normal production.
In order to solve the technical problem, the utility model provides a following technical scheme: a combined type hydraulic generator crown ring abrasion online repairing and flatness detecting device comprises a large-diameter high-precision slewing bearing, wherein mounting holes A are formed in side wall planes of the left side and the right side of the large-diameter high-precision slewing bearing respectively, a bracket cross beam support is arranged on the mounting holes A, a mounting position for annular steel plate finish machining is arranged on the bracket cross beam support, a mounting hole A is further formed in an excircle side wall plane of the large-diameter high-precision slewing bearing, the large-diameter high-precision slewing bearing is connected to the mounting position for annular steel plate finish machining through the mounting hole A, the bracket cross beam support is uniformly connected to an excircle side wall of the large-diameter high-precision slewing bearing through a screw rod, a mounting hole B is formed in the inner circle side wall of the large-diameter high-precision slewing bearing, inner teeth are arranged on the mounting hole B, and a rotating shaft is fixedly installed in the inner teeth, the axis of rotation is through rotating with the gyration servo motor speed reducer and being connected, the bracket crossbeam supports the excircle rigidity that acts on major diameter high accuracy slewing bearing and fixes, plays the effect of whole combined lathe rigidity of firm fixed stay and stability, major diameter high accuracy slewing bearing inner race is rotatory under the servo motor drive, drives gyration cutter arbor steady rotation, provides the power of stably milling to the cantilever cutter arbor.
Preferably, one end of the rotary cutter bar is provided with a milling power head driven by a servo motor and a high-precision stepping motor lead screw feeder.
Preferably, the big arm of gyration cutter arbor passes through the screw rod installation fixed, gyration cutter arbor one end is 90 degrees and installs one set of accurate linear guide and slider, install on the slider and mill the unit head, mill the unit head and mill servo motor's output and rotate coaxial coupling, linear guide and slider pass through lead screw connection with the feed motor.
Preferably, the bracket beam support is installed at the level position of the crown ring of the water turbine.
Preferably, an electronic dial indicator is installed at the end part of the milling power head.
Compared with the prior art, the utility model discloses the beneficial effect that can reach is: the utility model only needs to use the existing crane on site to lift the hydraulic turbine crown ring, takes out the whole workpiece, places the workpiece on site, uses the rotary rigid support of the precise rotary bearing, uses the horizontal size of the original unworn processing surface of the hydraulic turbine crown ring, and under the support and lifting of the bracket beam, through the rapid decomposition and assembly of the fine processing structural member, adopts the stepping feed motor to control the milling feed, the milling servo motor drives the milling power head to mill, the rotary servo motor drives the inner circle of the rotary bearing to rotate, thereby realizing the online repair of two parts of the hydraulic turbine crown ring, and can process the abraded part after the online surfacing in a short time, recover the original size of the equipment, and has the advantages of avoiding the use of turning, adopting the milling cutter to mill two surfaces (one plane and one vertical surface, and meeting the requirement of the hydraulic turbine crown ring mounting position), the online milling efficiency is realized, the timely detection of the planeness of the large-diameter crown ring after online processing is realized, and the huge economic loss caused by factory return repair to enterprises can be effectively avoided.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic view of the connection between the rotary cutter bar and the milling power head, the feed motor, the slider, the milling cutter servo motor and the feed motor.
Wherein: 1. a large-diameter high-precision slewing bearing; 2. a bracket beam support; 3. internal teeth; 4. Rotating the cutter bar; 5. milling the power head; 6. a feed motor; 7. a slider; 8. a milling cutter servo motor; 9. a feed motor.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Referring to fig. 1-2, a combined type hydraulic generator crown ring abrasion online repair and flatness detection device comprises a large-diameter high-precision slewing bearing 1, wherein mounting holes a are formed in side wall planes of the left side and the right side of the large-diameter high-precision slewing bearing 1, eight bracket beam supports 2 are arranged on the mounting holes a, mounting positions for fine machining of an annular steel plate are arranged on the eight bracket beam supports 2, eight mounting holes a are further formed in an excircle side wall plane of the large-diameter high-precision slewing bearing 1, the large-diameter high-precision slewing bearing 1 is connected to the mounting positions for fine machining of the annular steel plate through the mounting holes a, the eight bracket beam supports 2 are uniformly connected to the excircle side wall of the large-diameter high-precision slewing bearing 1 through screws, an inner circle of the mounting hole B is formed in the excircle side wall of the large-diameter high-precision slewing bearing 1, be provided with internal tooth 3 on the mounting hole B, the installation is fixed with the axis of rotation in the internal tooth 3, the axis of rotation is through rotating with the gyration servo motor speed reducer and being connected, the bracket crossbeam supports 2 and acts on major diameter high accuracy slewing bearing 1's excircle rigidity fixed, plays the effect of whole combination formula lathe rigidity of firm fixed stay and stability, major diameter high accuracy slewing bearing 1 inner circle is rotatory under the servo motor drive, drives gyration cutter arbor 4 steady rotation, provides the power that steadily mills to the cantilever cutter arbor.
Furthermore, a milling power head 5 and a high-precision stepping motor lead screw feeder 6 which are driven by a servo motor are installed at one end of the rotary cutter bar 4, a milling cutter servo motor 8, a feeding motor 9 and the milling power head 5 are installed at the front end of the rotary large arm beam support, which adopts a linear guide rail arranged in a suspension type structure, and the front end of the slide block 7 support, and machining equipment is repaired.
Furthermore, the large arm of the rotary cutter bar 4 is fixedly installed through a screw, one end of the rotary cutter bar is provided with a set of precise linear guide rail and a slide block 7 at 90 degrees, the slide block 7 is provided with a milling power head 5, the milling power head 5 is coaxially connected with the output end of a milling servo motor 8 in a rotating manner, the linear guide rail and the slide block 7 are connected with a feed motor 9 through a screw rod, the feed motor 9 rotates to drive the slide block 7 to move on a linear slide rail, so as to drive the milling power head 5 and a milling cutter servo motor 8 which are installed at the upper end to move, the milling servo motor 8 rotates to drive the milling power head 5 to rotate, so as to mill and repair the workpiece, the bracket beam machining assembly is supported and installed on the horizontal machining surface which is not worn by the crown ring, the outer ring of the large-diameter high-precision rotary bearing 1, the rotary cutter bar 4 is arranged on the inner ring of the large-diameter high-precision rotary bearing 1 through the mounting hole, the milling power assembly is arranged at the front end of the rotary big arm, the milling power assembly and the rotary big arm are arranged at 90 degrees, the power for driving the rotary big arm is arranged below the inner ring of the large-diameter high-precision rotary bearing 1, when the power for driving the rotary big arm is output, the rotary power required by milling is stably transmitted to the milling rotary big arm under the rigid support of the large-diameter high-precision rotary bearing 1,
furthermore, the bracket beam support 2 is arranged at the horizontal plane position of the crown ring of the water turbine, so that the propelling repair work of the repair equipment is facilitated.
Furthermore, an electronic dial indicator is installed at the end part of the milling power head, and the flatness of the crown ring can be detected quickly on line in due time.
The working principle is as follows: this device can be in-line to hydraulic turbine crown ring wearing and tearing restoration processing, because hydraulic turbine crown ring step department original state is the machined part, use this original machined surface to carry out the installation of online repair equipment installation's reference position as the original benchmark of processing equipment, install earlier that the crossbeam supports 2, install gyration support inner circle servo motor again, utilize feed motor 9 to drive slider 7 and slide, realize the feed, milling cutter servo motor 8 drives and mills 5 work of unit head, drive the interior rotation of 1 circle of major diameter high accuracy slewing bearing through gyration servo motor, realize the restoration to two positions of hydraulic generator crown ring, the back is restoreed to the crown ring, through at 5 tip installation electron percentage tables of unit head that mill, in good time to the online short-term test of crown ring plane degree.
The embodiments of the present invention are not limited to the above embodiments, and according to the contents of the above embodiments of the present invention, the above preferred embodiments can also make modifications, replacements or combinations of other forms by using conventional technical knowledge and conventional means in the field without departing from the basic technical idea of the present invention, and the obtained other embodiments all fall within the scope of the present invention.
Claims (5)
1. The combined type hydraulic generator crown ring abrasion online repairing and flatness detecting device comprises a large-diameter high-precision slewing bearing (1) and is characterized in that mounting holes A are formed in the side wall planes of the left side and the right side of the large-diameter high-precision slewing bearing (1), bracket cross beam supports (2) are arranged on the mounting holes A, mounting positions for annular steel plate finish machining are arranged on the bracket cross beam supports (2), mounting holes A are further formed in the excircle side wall plane of the large-diameter high-precision slewing bearing (1), the large-diameter high-precision slewing bearing (1) is connected to the mounting positions for annular steel plate finish machining through the mounting holes A, the bracket cross beam supports (2) are connected to the excircle side wall of the large-diameter high-precision slewing bearing (1) through screws, and mounting holes B are formed in the inner circle side wall of the large-diameter high-precision slewing bearing (1), be provided with internal tooth (3) on the mounting hole B, internal tooth (3) internal installation is fixed with the axis of rotation, the axis of rotation is connected with gyration servo motor speed reducer, bracket crossbeam supports (2) and acts on the excircle of major diameter high accuracy slewing bearing (1), plays the effect of whole combination lathe rigidity of firm fixed stay and stability, major diameter high accuracy slewing bearing (1) inner circle is rotatory under the servo motor drive, drives gyration cutter arbor (4) steady rotation, provides the power that steadily mills to the cantilever cutter arbor.
2. The combined type hydraulic generator crown ring abrasion online repairing and flatness detecting device according to claim 1, characterized in that one end of the rotary cutter bar (4) is provided with a milling power head (5) driven by a servo motor and a high-precision step motor lead screw feeder (6).
3. The combined type hydraulic generator crown ring abrasion online repairing and flatness detecting device according to claim 1 is characterized in that a large arm of the rotary cutter bar (4) is fixedly installed through a screw, one end of the rotary cutter bar is provided with a set of precise linear guide rail and a slide block (7) in an angle of 90 degrees, a milling power head (5) is installed on the slide block (7), the milling power head (5) is coaxially connected with an output end of a milling servo motor (8) in a rotating mode, and the linear guide rail and the slide block (7) are connected with a feed motor (9) through a screw rod.
4. The combined type hydraulic generator crown ring abrasion online repairing and flatness detecting device according to claim 1, wherein the bracket beam support (2) is installed at a position of a water turbine crown ring horizontal plane.
5. The combined type hydraulic generator crown ring abrasion on-line repairing and flatness detecting device according to claim 2 or 3, characterized in that an electronic dial indicator is installed at the end of the milling power head (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920937324.6U CN212286003U (en) | 2019-06-21 | 2019-06-21 | Combined type hydraulic generator crown ring abrasion online repairing and flatness detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920937324.6U CN212286003U (en) | 2019-06-21 | 2019-06-21 | Combined type hydraulic generator crown ring abrasion online repairing and flatness detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212286003U true CN212286003U (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920937324.6U Expired - Fee Related CN212286003U (en) | 2019-06-21 | 2019-06-21 | Combined type hydraulic generator crown ring abrasion online repairing and flatness detecting device |
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| Country | Link |
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| CN (1) | CN212286003U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114654300A (en) * | 2022-04-27 | 2022-06-24 | 湖州学院 | Combined machine tool production line |
| CN115823997A (en) * | 2022-12-09 | 2023-03-21 | 广东嘉元科技股份有限公司 | O-shaped ring diameter uniformity measuring device and measuring method thereof |
-
2019
- 2019-06-21 CN CN201920937324.6U patent/CN212286003U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114654300A (en) * | 2022-04-27 | 2022-06-24 | 湖州学院 | Combined machine tool production line |
| CN115823997A (en) * | 2022-12-09 | 2023-03-21 | 广东嘉元科技股份有限公司 | O-shaped ring diameter uniformity measuring device and measuring method thereof |
| CN115823997B (en) * | 2022-12-09 | 2023-06-23 | 广东嘉元科技股份有限公司 | O-shaped ring diameter uniformity measuring device and measuring method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210105 |
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| CF01 | Termination of patent right due to non-payment of annual fee |