CN112828530A - Runner chamber prosthetic devices - Google Patents
Runner chamber prosthetic devices Download PDFInfo
- Publication number
- CN112828530A CN112828530A CN202011604072.9A CN202011604072A CN112828530A CN 112828530 A CN112828530 A CN 112828530A CN 202011604072 A CN202011604072 A CN 202011604072A CN 112828530 A CN112828530 A CN 112828530A
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- Prior art keywords
- backup pad
- runner
- support arm
- longitudinal
- horizontal
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- 230000033001 locomotion Effects 0.000 claims abstract description 8
- 230000008878 coupling Effects 0.000 claims abstract description 4
- 238000010168 coupling process Methods 0.000 claims abstract description 4
- 238000005859 coupling reaction Methods 0.000 claims abstract description 4
- 230000007246 mechanism Effects 0.000 claims description 23
- 238000003801 milling Methods 0.000 claims description 15
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000008439 repair process Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 4
- 238000003754 machining Methods 0.000 description 19
- 238000003466 welding Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000007514 turning Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process 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
- 239000004576 sand Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P6/00—Restoring or reconditioning objects
Abstract
The utility model provides a runner room prosthetic devices, includes the runner room, still including establishing last support arm at runner room top, establish the lower support arm of runner room inner wall bottom, run through go up the support arm and the pivot of lower support arm, be used for the drive pivot pivoted first power unit, rigid coupling are in the pivot just is located the indoor going up of runner is along the board and is followed board, connection down go up along the board and down along the vertical backup pad of board, with vertical backup pad sliding connection's horizontal backup pad, be used for the drive down horizontal backup pad is followed vertical backup pad longitudinal movement's second power unit, establishing mill the unit head in the horizontal backup pad, be used for the drive mill the unit head edge horizontal backup pad lateral shifting's third power unit. Compared with the prior art, the method has a wider application range, and the repair precision is effectively improved.
Description
Technical Field
The invention relates to the technical field of machine tool equipment, in particular to a rotating wheel chamber repairing device.
Background
The runner chamber belongs to a through-flow component in a water turbine generator set, generally, the geographical position and climate conditions of a power station are severe, the temperature difference is large, the content of water, silt and sand is high, and the through-flow component is severe in corrosion. In order to ensure the generating efficiency of the unit, the runner chamber is corroded to a certain degree and must be repaired or replaced. The disassembling is difficult, the installation period is long and the manufacturing cost is expensive when the runner chamber is replaced; the traditional process method for on-site repair is that the part with serious corrosion of the runner chamber is firstly gouged and thrown away, then the welding rod is used for surfacing, and then the surfacing part is manually polished in a shape following mode, so that the workload of manual polishing is huge, the working environment is severe, the runner chamber is a spatial curved surface, and the shape and the size are difficult to control in the shape following polishing. The existing runner chamber repairing device is a field repairing device for a runner chamber of a hydroelectric generating set, which is disclosed in patent number CN 203664835U. The technical scheme of the utility model is that: the upper frame and the lower frame are of symmetrical cross beam structures, the upper frame and the lower frame are connected with the rotating shaft through bearings, the rotating arm is fixedly installed on the rotating shaft, the bottom of the cutting knife rest is fixedly connected with the rotating shaft, the rotating arm drives the knife rest to achieve main motion of a machine tool through rotation of the rotating shaft, the cutting knife rest is fed on a double-guide rail through a thread screw rod transmission mechanism to perform cutting motion along a limiting profiling template to achieve the function of field processing repair, and the power system is composed of two speed reducing motors which respectively drive a thread screw rod and the rotating shaft. The utility model discloses an use, the machining precision has obtained the assurance, has practiced thrift a large amount of manpowers and financial resources again, has solved this technological problem well, but the device's restoration precision is low, and application scope is little.
Disclosure of Invention
The invention aims to provide a runner chamber repairing device to solve the problems in the background technology.
The technical solution of the invention is as follows: the utility model provides a runner room prosthetic devices, includes the runner room, still including establishing last support arm at runner room top, establish the lower support arm of runner room inner wall bottom, run through go up the support arm and the pivot of lower support arm, be used for the drive pivot pivoted first power unit, rigid coupling are in the pivot just is located the indoor going up of runner is along the board and is followed board, connection down go up along the board and down along the vertical backup pad of board, with vertical backup pad sliding connection's horizontal backup pad, be used for the drive down horizontal backup pad is followed vertical backup pad longitudinal movement's second power unit, establishing mill the unit head in the horizontal backup pad, be used for the drive mill the unit head edge horizontal backup pad lateral shifting's third power unit.
Preferably, the second power mechanism comprises an installation plate arranged at the top end of the longitudinal support plate, a longitudinal driving motor arranged on the installation plate, a longitudinal screw rod connected with the longitudinal driving motor, a screw rod nut meshed with the longitudinal screw rod, a sliding rod fixedly connected with the screw rod nut and penetrating through the longitudinal support plate, a sliding groove arranged on the longitudinal support plate and used for sliding the sliding rod, a T-shaped block connected with the sliding rod and the transverse support plate, and a guide rail fixedly connected with the transverse support plate and slidably connected with the T-shaped block.
Preferably, the third power mechanism comprises a transverse driving motor fixedly connected to the milling power head, a gear connected to the transverse driving motor, a rack arranged on the upper edge of the transverse support plate and engaged with the gear, a guide sleeve arranged on the lower edge of the transverse support plate, a guide groove formed in the length direction of the guide sleeve, a sliding sleeve sleeved in the guide sleeve and slidably connected to the inner wall of the guide sleeve, and a connecting rod penetrating through the guide groove and used for connecting the sliding sleeve and the transverse driving motor.
Preferably, a plurality of balls are embedded in the annular array of the outer wall of the sliding sleeve.
Preferably, the first power mechanism comprises a spindle box sleeved on the rotating shaft, a spindle box fixing frame arranged on the upper supporting arm and used for fixing the spindle box, and a servo motor connected with the spindle box.
Preferably, the upper support arm is provided with an upper bearing support for supporting the rotating shaft, and the lower support arm is provided with a lower bearing support for supporting the rotating shaft.
Preferably, the inner wall of the runner chamber is provided with a support bracket for supporting the lower support arm.
The invention has the beneficial effects that:
compared with the prior art, the method has a wider application range, and the repair precision is effectively improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a second power mechanism and a third power mechanism;
FIG. 3 is a side view of a second power mechanism;
fig. 4 is a top view of a third power mechanism;
fig. 5 is a side view of a third power mechanism;
Detailed Description
The invention is further illustrated by the following examples in connection with the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
In the embodiment, as shown in fig. 1-5, a device for repairing a runner chamber comprises a runner chamber 1, an upper support arm 2 disposed at the top of the runner chamber 1, a lower support arm 3 disposed at the bottom of the inner wall of the runner chamber 1, a rotating shaft 4 penetrating through the upper support arm 2 and the lower support arm 3, a first power mechanism 5 for driving the rotating shaft 4 to rotate, an upper edge plate 6 and a lower edge plate 7 fixedly connected to the rotating shaft 4 and disposed in the runner chamber 1, a longitudinal support plate 8 connecting the upper edge plate 6 and the lower edge plate 7, a transverse support plate 9 slidably connected to the longitudinal support plate 8, a second power mechanism 10 for driving the transverse support plate 9 to move longitudinally along the longitudinal support plate 8, a milling power head 11 disposed on the transverse support plate 9, a third power mechanism 12 for driving the milling power head 11 to move transversely along the transverse support plate 9, the rotating shaft 4 is driven to rotate by the first power mechanism 5, the milling power head 11 is driven to rotate along the inner wall of the runner chamber 1, and the second power mechanism 10 and the third power mechanism 12 are arranged, so that the device has a wider application range, and the repair precision is effectively improved.
Further, in order to realize stable longitudinal movement of the milling power head 11 and improve the repair precision, the applicant provides a second power mechanism 10, where the second power mechanism 10 includes a mounting plate 1001 disposed at the top end of the longitudinal support plate 8, a longitudinal driving motor 1002 disposed on the mounting plate 1001, a longitudinal lead screw 1003 connected to the longitudinal driving motor 1002, a lead screw nut 1004 engaged with the longitudinal lead screw 1003, a slide bar 1005 fixedly connected to the lead screw nut 1004 and penetrating through the longitudinal support plate 8, a slide groove 1006 disposed on the longitudinal support plate 8 for sliding the slide bar 1005, a T-shaped block 1007 connecting the slide bar 1005 and the transverse support plate 9, and a guide rail 1008 fixedly connected to the transverse support plate 9 and slidably connected to the T-shaped block 1007.
Further, in order to realize stable transverse movement of the milling power head 11 and improve the repair accuracy, the applicant sets a third power mechanism 12, where the third power mechanism 12 includes a transverse driving motor 1201 fixedly connected to the milling power head 11, a gear 1202 connected to the transverse driving motor 1201, a rack 1203 arranged at the upper edge of the transverse support plate 9 and engaged with the gear 1202, a guide sleeve 1204 arranged at the lower edge of the transverse support plate 9, a guide groove 1205 formed along the length direction of the guide sleeve 1204, a sliding sleeve 1206 sleeved in the guide sleeve 1204 and slidably connected to the inner wall of the guide sleeve 1204, and a connecting rod 1207 passing through the guide groove 1205 and used for connecting the sliding sleeve 1206 and the transverse driving motor 1201.
Further, in order to ensure that the sliding sleeve 1206 slides in the guide sleeve 1404 smoothly, the occurrence of blocking is avoided, the accuracy of repair is improved, and a plurality of balls 1208 are embedded in the annular array on the outer wall of the sliding sleeve 1206.
Further, the first power mechanism 5 includes a spindle box 501 sleeved on the rotating shaft 4, a spindle box fixing frame 502 arranged on the upper support arm 2 for fixing the spindle box 501, and a servo motor 503 connected to the spindle box 501.
Further, be equipped with the upper bearing that is used for supporting pivot 4 on the upper support arm 2 and support 13, be equipped with the lower bearing that is used for supporting pivot 4 on the lower support arm 3 and support 14, support 14 hoist to the lower support arm 3 with lower bearing earlier, preliminary adjustment is concentric with the runner room, then upper bearing supports 13 hoist to the upper support arm 2 on, preliminary adjustment is concentric with the runner room, install earlier fixed safety ring 15 in pivot 4, then hoist and mount pivot 4 and penetrate in upper bearing supports 13 and lower bearing support 14, hang pivot 4 through the screw on the safety ring 15, then utilize the lock nut that upper bearing supported 13 and lower bearing supported 14 to hold pivot 4 tightly.
Further, in order to improve the mounting stability of the lower support arm 3, a support bracket 16 for supporting the lower support arm 3 is arranged on the inner wall of the runner chamber 1, and the support arm 3 is fixed with the support bracket 16 through a bolt.
Installation and working steps:
1. marking off
1.1 a vertical line is hung by finding out a center line by taking the inner hole as a reference, the distance from the vertical line to the hole wall is measured to find out the center line, and after the center line is found out, 4 or 8 equal-diameter marks are made in the circumferential direction of the hole by taking the center line as a reference so as to align the center of the equipment.
1.2, marking out a welding line of the assembly tool, and marking out a welding position line of the support bracket 16 by taking the upper end surface and the lower end surface of the runner chamber as a reference.
1.3 welding support bracket 16
And taking the marked line position as a reference, welding and fixing the support bracket 16 in the machine pit, uniformly distributing the assembly tools in a 90-degree manner in the circumferential direction of the machine pit, and ensuring the strength and rigidity of the support bracket 16 during welding to meet the requirements of equipment processing and use.
2. Mounting device
2.1 installing an upper supporting arm, a lower supporting arm,
Firstly, hoisting the lower support arm to the support bracket 16, measuring and adjusting the lower support arm to be basically concentric with the runner chamber 1 by taking the mark point as a reference, welding and fixing the lower support arm to the support bracket 16 after the adjustment is finished, and then fixing the upper support arm to the unit seat ring through bolts.
2.2 installing upper and lower bearing supports and rotating shafts
Firstly, hoisting a lower bearing support 14 onto a lower support arm 3, primarily adjusting the lower bearing support to be concentric with a runner chamber, then hoisting an upper bearing support 13 onto an upper support arm 2, primarily adjusting the lower bearing support to be concentric with the runner chamber, firstly installing and fixing a safety ring 15 on a rotating shaft 4, then hoisting the rotating shaft 4 to penetrate into the upper bearing support 13 and the lower bearing support 14, hanging the rotating shaft 4 through a screw on the safety ring 15, and then tightly holding the rotating shaft 4 by using a locking nut of the upper bearing support 13 and the lower bearing support 14.
Note: the center adjusting bolts supported by the upper bearing and the lower bearing are required to be installed in the same coordinate direction, and the center can be adjusted more conveniently by the installation mode.
2.3 installing milling power head
As shown in the following figures, the upper edge plate 6 and the lower edge plate 7 are installed and fixed on the rotating shaft 4, the height position of the upper edge plate and the lower edge plate meets the travel required by the machining of the runner chamber during installation, and after the upper edge plate and the lower edge plate are fixed, the milling power head is installed and fixed.
2.4 installing a main spindle box and an electric control part
The spindle box 501 is sleeved on the rotating shaft 4 and fixed by the spindle box fixing frame 502, and then power lines and control lines for connecting the motors are well connected with the electric cabinet.
3. Machining
3.1 roughing
After the equipment is installed and debugged, programming is carried out according to the size of a curved surface to be machined of the runner chamber, after the program is programmed, firstly simulating machining to ensure that the program is correct, and then rough machining can be carried out, because the surface of the runner chamber 1 is uneven and the hardness is higher after surfacing repair, the rough machining is carried out by adopting a milling mode, a milling cutter head adopts a spherical milling cutter, after rough machining, the welding surface is required to be basically flat, and enough allowance is left for fine machining, and the suggested milling amount is 1/2 machining allowance.
The rough machining is finished by self-checking and then reporting, and the rough machining is mainly to check whether a rotating shaft 4 of equipment is coaxial with a hole to be machined, whether a curved surface of the rough machined equipment meets requirements or not, and if abnormal conditions occur, the equipment needs to be checked and debugged to meet the requirements.
3.2 semi-finishing
And after the rough machining is qualified, performing semi-finishing by using a lathe saddle, adjusting the program of equipment before the semi-finishing and simulating the machining, performing machining after all the machining is correct, and performing finish machining by leaving enough allowance after the semi-finishing, wherein the recommended turning amount is 1/2 machining allowance.
And (3) after the semi-finishing is finished, self-checking and checking are carried out firstly, whether a rotating shaft 4 of the equipment is coaxial with the hole to be machined or not is mainly checked, whether the curved surface of the semi-finished equipment meets the requirements or not after the semi-finishing, the allowance of the finishing and the like are checked.
3.3 finishing
After the semi-finishing is finished, the fine finishing can be carried out by cutting according to the machining allowance, and the fine finishing mode still adopts a turning mode.
And (4) after finishing, performing self-inspection and inspection, wherein whether the machining size meets the requirement or not and whether the surface roughness meets the requirement or not are mainly inspected.
Claims (7)
1. A runner house prosthetic devices, includes runner house (1), its characterized in that: still including establishing last support arm (2), establishing at runner room (1) top the lower support arm (3), run through of runner room (1) inner wall bottom go up support arm (2) and pivot (4) of lower support arm (3), be used for the drive pivot (4) pivoted power unit (5), rigid coupling are in pivot (4) and be located go up in runner room (1) along board (6) and down along board (7), connection go up along board (6) and down along vertical backup pad (8) of board (7), with vertical backup pad (8) sliding connection's horizontal backup pad (9), be used for the drive horizontal backup pad (9) are followed vertical backup pad (8) longitudinal movement's second power unit (10), establish milling unit head (11) on horizontal backup pad (9), be used for the drive milling unit head (11) are followed horizontal backup pad (9) lateral movement's third moves A force mechanism (12).
2. A wheel well restoration device according to claim 1, wherein: the second power mechanism (10) comprises a mounting plate (1001) arranged at the top end of the longitudinal support plate (8), a longitudinal driving motor (1002) arranged on the mounting plate (1001), a longitudinal screw rod (1003) connected with the longitudinal driving motor (1002), a screw nut (1004) engaged with the longitudinal screw rod (1003), a sliding rod (1005) fixedly connected with the screw nut (1004) and penetrating through the longitudinal support plate (8), a sliding groove (1006) arranged on the longitudinal support plate (8) and used for sliding the sliding rod (1005), a T-shaped block (1007) connecting the sliding rod (1005) and the transverse support plate (9), and a guide rail (1008) fixedly connected on the transverse support plate (9) and slidably connected with the T-shaped block (1007).
3. A wheel well restoration device according to claim 1, wherein: third power unit (12) include the rigid coupling mill horizontal driving motor (1201) on unit head (11), with gear (1202) that horizontal driving motor (1201) is connected, establish horizontal backup pad (9) top edge and with rack (1203) of gear (1202) meshing, establish uide bushing (1204) at horizontal backup pad (9) bottom edge, follow guide slot (1205) that uide bushing (1204) length direction was seted up, the cover is established in uide bushing (1204) and with uide bushing (1204) inner wall sliding connection's sliding sleeve (1206), pass guide slot (1205) are used for connecting sliding sleeve (1206) and connecting rod (1207) of horizontal driving motor (1201).
4. A wheel well restoration device according to claim 1, wherein: a plurality of balls (1208) are embedded in the annular array of the outer wall of the sliding sleeve (1206).
5. A wheel well restoration device according to claim 1, wherein: the first power mechanism (5) comprises a spindle box (501) sleeved on the rotating shaft (4), a spindle box fixing frame (502) arranged on the upper supporting arm (2) and used for fixing the spindle box (501), and a servo motor (503) connected with the spindle box (501).
6. A wheel well restoration device according to claim 1, wherein: the upper supporting arm (2) is provided with an upper bearing support (13) for supporting the rotating shaft (4), and the lower supporting arm (3) is provided with a lower bearing support (14) for supporting the rotating shaft (4).
7. A wheel well restoration device according to claim 1, wherein: and a support bracket (16) for supporting the lower support arm (3) is arranged on the inner wall of the runner chamber (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011604072.9A CN112828530A (en) | 2020-12-29 | 2020-12-29 | Runner chamber prosthetic devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011604072.9A CN112828530A (en) | 2020-12-29 | 2020-12-29 | Runner chamber prosthetic devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112828530A true CN112828530A (en) | 2021-05-25 |
Family
ID=75925240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011604072.9A Pending CN112828530A (en) | 2020-12-29 | 2020-12-29 | Runner chamber prosthetic devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112828530A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115255813A (en) * | 2022-06-21 | 2022-11-01 | 中冶宝钢技术服务有限公司 | Process for replacing large gear of blast furnace slag treatment rotary drum |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19723702A1 (en) * | 1997-06-06 | 1998-12-17 | Niles Simmons Industrieanlagen | CNC turning and milling center |
| CN202045390U (en) * | 2011-04-15 | 2011-11-23 | 杭州中水水力发电设备有限公司 | Runner chamber field repair device of hydroelectric generating set |
| CN203751690U (en) * | 2014-02-28 | 2014-08-06 | 诸城昌达机电科技有限公司 | Precision boring-milling machine |
| CN104646760A (en) * | 2013-11-22 | 2015-05-27 | 天津市天发重型水电设备制造有限公司 | Water turbine generator set runner chamber field repair device |
| CN105598702A (en) * | 2016-02-01 | 2016-05-25 | 湖州以创精工机械有限公司 | Multi-station cone roller repairing device |
| JP2017013140A (en) * | 2015-06-26 | 2017-01-19 | 株式会社オーエム製作所 | Vertical lathe |
| CN207593251U (en) * | 2017-12-14 | 2018-07-10 | 深圳市靖博智能科技有限公司 | A kind of four-axis fixture processing precise positioning driving device |
| CN110815148A (en) * | 2019-12-06 | 2020-02-21 | 宁德师范学院 | Adjustable operation panel is used in production of computer integrated chip |
-
2020
- 2020-12-29 CN CN202011604072.9A patent/CN112828530A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19723702A1 (en) * | 1997-06-06 | 1998-12-17 | Niles Simmons Industrieanlagen | CNC turning and milling center |
| CN202045390U (en) * | 2011-04-15 | 2011-11-23 | 杭州中水水力发电设备有限公司 | Runner chamber field repair device of hydroelectric generating set |
| CN104646760A (en) * | 2013-11-22 | 2015-05-27 | 天津市天发重型水电设备制造有限公司 | Water turbine generator set runner chamber field repair device |
| CN203751690U (en) * | 2014-02-28 | 2014-08-06 | 诸城昌达机电科技有限公司 | Precision boring-milling machine |
| JP2017013140A (en) * | 2015-06-26 | 2017-01-19 | 株式会社オーエム製作所 | Vertical lathe |
| CN105598702A (en) * | 2016-02-01 | 2016-05-25 | 湖州以创精工机械有限公司 | Multi-station cone roller repairing device |
| CN207593251U (en) * | 2017-12-14 | 2018-07-10 | 深圳市靖博智能科技有限公司 | A kind of four-axis fixture processing precise positioning driving device |
| CN110815148A (en) * | 2019-12-06 | 2020-02-21 | 宁德师范学院 | Adjustable operation panel is used in production of computer integrated chip |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115255813A (en) * | 2022-06-21 | 2022-11-01 | 中冶宝钢技术服务有限公司 | Process for replacing large gear of blast furnace slag treatment rotary drum |
| CN115255813B (en) * | 2022-06-21 | 2023-09-19 | 中冶宝钢技术服务有限公司 | Blast furnace slag treatment drum large gear replacement process |
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Application publication date: 20210525 |