CN205128990U - A horizontal lathe is rolled over to brill for processing rotor hole in last years of a century - Google Patents
A horizontal lathe is rolled over to brill for processing rotor hole in last years of a century Download PDFInfo
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- CN205128990U CN205128990U CN201521003339.3U CN201521003339U CN205128990U CN 205128990 U CN205128990 U CN 205128990U CN 201521003339 U CN201521003339 U CN 201521003339U CN 205128990 U CN205128990 U CN 205128990U
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Abstract
The utility model provides a horizontal lathe is rolled over to brill for processing rotor hole in last years of a century, relates to large -scale turbine rotor processing field. The problem of to last years of a century during the alignment of hole before the low and processing of the processingequipment machining precision in current rotor hole in last years of a century, hardly look for machine tool to level, vertical position with the rotor is solved. Variable speed dynamo and pinion coaxial coupling, pinion and large gear, the center of gear wheel is provided with axle, the one end and the transmission shaft coaxial coupling of axle, the coaxial drive gear that is provided with on the transmission shaft, lie in the A gear at the drive assembly of A group one side edge and the B gear intermeshing who lies in B group drive assembly one side edge, and on the drive assembly of A group and the B drive assembly of group be in a straight line, constitute a long arm, a drive gear and the B drive assembly of a group opposite side marginal B gear engagement, the A pivot is cup jointed in the B pivot, and angular contact bearing is passed through in the B pivot and a deep groove ball bearing is connected with the A drive gear that A organized among the drive assembly. It is used for processing rotor hole in last years of a century.
Description
Technical field
The utility model relates to Steam Turbine Rotor manufacture field.
Background technology
Rotor is steam turbine core component, is equivalent to human heart.The processing in its rotor hole in last years of a century, particularly important especially.Need after hole machined last years of a century to penetrate to sell last years of a century and be arranged on epitrochanterian moving vane for locking.Turbine rotor when unit operation rotor speed up to 3600r/min, rotor blade bears high centrifugal action, position for locking moving vane line of pin hole on last stage is just very important, occur that some deviations will cause to rotor the quality accident that cannot retrieve, just there will be leaf abscission as taken problem to power plant, Steam Turbine cannot normally work.Therefore, the processing in rotor hole in last years of a century is seemed particularly important.
At present, rotor hole machined in last years of a century is all the difficult problem in turbine rotor production process all the time, especially during centering, is difficult to machining tool and rotor to look for level, plumbness before last years of a century hole machined.And rotor puts off and to be easy to produce vibration on rolling wheel support in process, the crudy of pin-and-hole is impacted.
Utility model content
The utility model in order to the machining accuracy that solves existing rotor hole in last years of a century is low and before processing to hole centering in last years of a century time, be difficult to the problem of machining tool and rotor being looked for level, plumbness, propose a kind of horizontal machine tool Deflection drill for processing rotor hole in last years of a century.
For the horizontal machine tool Deflection drill in processing rotor hole in last years of a century, it comprises variable speed electric motors, particularly 32, pinion 33, gear wheel 31, axle 29, power transmission shaft 14, travelling gear 12, N number of A axle 8, N number of A gear 39, a M B axle 18, a M B gear 40, A travelling gear 5, No. two deep groove ball bearings 6, backboard 9, A front apron 1, B front apron 10, A rotating shaft 3, B rotating shaft 22, angular contact bearing 4, deep groove ball bearing 2 and C front apron 23;
Variable speed electric motors, particularly 32 is coaxially connected with pinion 33; Pinion 33 engages with gear wheel 31; The center of gear wheel 31 is provided with axle 29, and one end of axle 29 is coaxially connected with power transmission shaft 14; Power transmission shaft 14 is coaxially arranged with travelling gear 12;
Each A axle 8 correspondence is positioned at A gear 39 center, and the two is coaxial; N number of A gear 39 engages successively, and is arranged in straight line, forms A group transmission component; N is positive integer;
Each B axle 18 correspondence is positioned at B gear 40 center, and the two is coaxial; M B gear 40 engages successively, and is arranged in straight line, forms B group transmission component; M is positive integer;
A gear 39 is identical with B gear 40 structure; A gear 39 comprises A travelling gear 5 and No. two deep groove ball bearings 6; A travelling gear 5 is coaxially connected with A axle 8 by No. two deep groove ball bearings 6; In like manner, B gear 40 is coaxially connected with B axle 18 by No. two deep groove ball bearings 6;
The A gear 39 being positioned at A group transmission component one lateral edges engages each other with the B gear 40 being positioned at B group transmission component one lateral edges, and A group transmission component and B group transmission component are in a straight line, form one long-armed;
The side of A group transmission component and B group transmission component is provided with backboard 9; The opposite side of A group transmission component is provided with A front apron 1; The opposite side of B group transmission component is provided with B front apron 10;
Travelling gear 12 engages with a B gear 40 at B group transmission component opposite side edge;
A rotating shaft 3 is socketed in B rotating shaft 22, and B rotating shaft 22 is connected with the A travelling gear 5 in A group transmission component with a deep groove ball bearing 2 by angular contact bearing 4;
The arranged outside of B rotating shaft 22 has C front apron 23.
For the horizontal machine tool Deflection drill in processing rotor hole in last years of a century, it also comprises general flat key 28, and general flat key 28 is arranged between gear wheel 31 and axle 29.
For the horizontal machine tool Deflection drill in processing rotor hole in last years of a century, it also comprises circlip 30, top bearing cover 38, lower bearing end cap 26, bearing cage 25, fluting flush end holding screw 24 and hexagon-headed bolt 34; Flexible back-up ring 30 is all overlapped at the two ends of axle 29, and circlip 30 lays respectively at above and below gear wheel 31, and the outside of circlip 30 is connected with top bearing cover 38 and lower bearing end cap 26 respectively by hexagon-headed bolt 34; The outside of top bearing cover 38 and lower bearing end cap 26 is fixed with bearing cage 25 respectively by fluting flush end holding screw 24.
For the horizontal machine tool Deflection drill in processing rotor hole in last years of a century, it also comprises C sleeve 27; C sleeve 27 is enclosed within gear wheel 31.
For the horizontal machine tool Deflection drill in processing rotor hole in last years of a century, it also comprises round end general flat key 13; Connected by round end general flat key 13 between power transmission shaft 14 and travelling gear 12.
For the horizontal machine tool Deflection drill in processing rotor hole in last years of a century, it also comprises A sleeve 7; A sleeve 7 is enclosed within A gear 39.
For the horizontal machine tool Deflection drill in processing rotor hole in last years of a century, it also comprises B sleeve 11; B sleeve 11 is enclosed within B gear 40.Carry out scrap build for above problem to former sleeping carriage equipment 1682 sleeping carriage lathe, be installed to by self-control Deflection drill on 1682 sleeping carriage machine tool movement supporting plates, Deflection drill head, directly to rotor radial, makes Deflection drill be up to the standard with rotor, vertical state.Effectively can improve rotor hole machined in last years of a century precision.
The utility model is the improvement to existing 1682 horizontal machine tools, improving the high-precision object of rotor hole machined in last years of a century, need solve following problem to reach.
1, rotor is placed on rolling wheel support adds and is easy to man-hour produce vibration, and causing machining accuracy to decline cannot meet drawing requirement.
2, be difficult to machining tool and rotor to look for level, plumbness, even if centering, but owing to being manual operation, there is certain error.
3, due to the particularity of rotor structure, often process one grade last years of a century hole all need centering again, working (machining) efficiency is extremely low, long processing time.
4, Novel drilling-machine cost is purchased high.
5, the fixed form of Deflection drill and 1682 lathes.
6, the original turning function of former 1682 lathe how is ensured.
The beneficial effects of the utility model are:
1, vibration problem when the utility model effectively solves rotor machining, rotor can directly fill to be pinched on horizontal lathe, adopts one pinch of one mounting means held in the palm to guarantee that rotor is adding the stability in man-hour.
2, the utility model is by the particularity of horizontal machine tool self, and rotor is at axle journal centering, and after machine adopts one pinch of one holder mode, rotor and machine tool movement supporting plate directly form level, plumbness, without the need to manually adjusting again.
3, the utility model significantly improves working (machining) efficiency, after machining one grade of last years of a century hole, mobile pallet can be outputed and directly move to processing place of another grade of line of pin hole on last stage, capable of direct processingly carries out centering without the need to secondary again.
4, the utility model cost is lower, and a Novel drilling-machine expense is between 80-100 ten thousand, and this time improvement expenses only needs 30,000 yuan.
5, the utility model Deflection drill is connected for Flange joint with lathe, and flange has 4 dowel holes, Deflection drill can be located accurately to be connected with lathe do not have mobile phenomenon and occur.
6, the utility model Deflection drill is designed to detachable, can install Deflection drill when processing hole in last years of a century, carries out sleeping carriage and adds and can fill knife rest man-hour and carry out turning.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the horizontal machine tool Deflection drill for processing rotor hole in last years of a century;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the structural representation of the mobile pallet connecting Deflection drill and horizontal machine tool;
Fig. 4 is the side view of mobile pallet;
Reference numeral: 1-A front apron; 2-number deep groove ball bearing; 3-A rotating shaft; 4-angular contact bearing; 5-A travelling gear; 6-No. two deep groove ball bearings; 7-A sleeve; 8-A axle; 9-backboard; 10-B front apron; 11-B sleeve; 12-travelling gear; 13-round end general flat key; 14-power transmission shaft; 15-straight pin; 16-slotted countersunk flat head screw; 17-beginning holding screw of rising as high as the banks; 18-B axle; 19-hexagon socket cap head screw; 20-cylindrical pin with internal thread; 21-base; 22-B rotating shaft; 23-C front apron; 24-fluting flush end holding screw; 25-bearing cage; 26-lower bearing end cap; 27-C sleeve; 28-general flat key; 29-axle; 30-circlip; 31-gear wheel; 32-variable speed electric motors, particularly; 33-pinion; 34-hexagon-headed bolt; 35-T-slot screw; 36-hex nut; The oval styletable holding screw of 37-square toes; 38-top bearing cover; 39-A gear; 40-B gear.
Detailed description of the invention
Detailed description of the invention one, seeing figures.1.and.2 illustrates present embodiment, a kind of horizontal machine tool Deflection drill for processing rotor hole in last years of a century described in present embodiment, it comprises variable speed electric motors, particularly 32, pinion 33, gear wheel 31, axle 29, power transmission shaft 14, travelling gear 12, N number of A axle 8, N number of A gear 39, a M B axle 18, a M B gear 40, A travelling gear 5, No. two deep groove ball bearings 6, backboard 9, A front apron 1, B front apron 10, A rotating shaft 3, B rotating shaft 22, angular contact bearing 4, deep groove ball bearing 2 and C front apron 23;
Variable speed electric motors, particularly 32 is coaxially connected with pinion 33; Pinion 33 engages with gear wheel 31; The center of gear wheel 31 is provided with axle 29, and one end of axle 29 is coaxially connected with power transmission shaft 14; Power transmission shaft 14 is coaxially arranged with travelling gear 12;
Each A axle 8 correspondence is positioned at A gear 39 center, and the two is coaxial; N number of A gear 39 engages successively, and is arranged in straight line, forms A group transmission component; N is positive integer;
Each B axle 18 correspondence is positioned at B gear 40 center, and the two is coaxial; M B gear 40 engages successively, and is arranged in straight line, forms B group transmission component; M is positive integer;
A gear 39 is identical with B gear 40 structure; A gear 39 comprises A travelling gear 5 and No. two deep groove ball bearings 6; A travelling gear 5 is coaxially connected with A axle 8 by No. two deep groove ball bearings 6; In like manner, B gear 40 is coaxially connected with B axle 18 by No. two deep groove ball bearings 6;
The A gear 39 being positioned at A group transmission component one lateral edges engages each other with the B gear 40 being positioned at B group transmission component one lateral edges, and A group transmission component and B group transmission component are in a straight line, form one long-armed;
The side of A group transmission component and B group transmission component is provided with backboard 9; The opposite side of A group transmission component is provided with A front apron 1; The opposite side of B group transmission component is provided with B front apron 10;
Travelling gear 12 engages with a B gear 40 at B group transmission component opposite side edge;
A rotating shaft 3 is socketed in B rotating shaft 22, and B rotating shaft 22 is connected with the A travelling gear 5 in A group transmission component with a deep groove ball bearing 2 by angular contact bearing 4;
The arranged outside of B rotating shaft 22 has C front apron 23.
In present embodiment, variable speed electric motors, particularly 32 drives pinion 33 to rotate, pinion 33 drives gear wheel 31 to rotate, gear wheel 31 rotates rear band moving axis 29 and rotates, axle 29 rotates rear drive power transmission shaft 14 and rotates, power transmission shaft 14 is connected with long-armed, and long-armed inside and power transmission shaft 14 still for gear is connected, thus drive long-armed interior pinion rotation.This Deflection drill is installed on 1682 sleeping carriage machine tool movement supporting plates, and Deflection drill head, directly to rotor radial, makes Deflection drill be up to the standard with rotor, vertical state.Effectively improve rotor hole machined in last years of a century precision.
High order end is head in fig 1 and 2, and the A group transmission component and the B group transmission component that become straight line are fuselage.
Detailed description of the invention two, present embodiment are further illustrating a kind of horizontal machine tool Deflection drill for processing rotor hole in last years of a century described in detailed description of the invention one, in present embodiment, it also comprises general flat key 28, and general flat key 28 is arranged between gear wheel 31 and axle 29.
Detailed description of the invention three, present embodiment are further illustrating a kind of horizontal machine tool Deflection drill for processing rotor hole in last years of a century described in detailed description of the invention one, in present embodiment, it also comprises circlip 30, top bearing cover 38, lower bearing end cap 26, bearing cage 25, fluting flush end holding screw 24 and hexagon-headed bolt 34; Flexible back-up ring 30 is all overlapped at the two ends of axle 29, and circlip 30 lays respectively at above and below gear wheel 31, and the outside of circlip 30 is connected with top bearing cover 38 and lower bearing end cap 26 respectively by hexagon-headed bolt 34; The outside of top bearing cover 38 and lower bearing end cap 26 is fixed with bearing cage 25 respectively by fluting flush end holding screw 24.
In present embodiment, top bearing cover 38 and lower bearing end cap 26, for covering axle 29, prevent axle 29 from coming off in rotary course, fall ash and generation casualties etc.
Detailed description of the invention four, present embodiment are further illustrating a kind of horizontal machine tool Deflection drill for processing rotor hole in last years of a century described in detailed description of the invention one, and in present embodiment, it also comprises C sleeve 27; C sleeve 27 is enclosed within gear wheel 31.
In present embodiment, C sleeve plays transition positioning action, and long-time use can be changed if any wearing and tearing.
Detailed description of the invention five, present embodiment are further illustrating a kind of horizontal machine tool Deflection drill for processing rotor hole in last years of a century described in detailed description of the invention one, and in present embodiment, it also comprises round end general flat key 13; Connected by round end general flat key 13 between power transmission shaft 14 and travelling gear 12.
Detailed description of the invention six, present embodiment are further illustrating a kind of horizontal machine tool Deflection drill for processing rotor hole in last years of a century described in detailed description of the invention one, and in present embodiment, it also comprises A sleeve 7; A sleeve 7 is enclosed within A gear 39.
Detailed description of the invention seven, present embodiment are further illustrating a kind of horizontal machine tool Deflection drill for processing rotor hole in last years of a century described in detailed description of the invention one, and in present embodiment, it also comprises B sleeve 11; B sleeve 11 is enclosed within B gear 40.
Detailed description of the invention eight, present embodiment are further illustrating a kind of horizontal machine tool Deflection drill for processing rotor hole in last years of a century described in detailed description of the invention one, and in present embodiment, the model of a deep groove ball bearing 2 is 61808; The model of No. two deep groove ball bearings 6 is 6205.
Detailed description of the invention nine, reference Fig. 3 and Fig. 4 illustrate the connection between a kind of horizontal machine tool Deflection drill for processing rotor hole in last years of a century and lathe.Fig. 3 is the structural representation of the mobile pallet connecting Deflection drill and horizontal machine tool; Fig. 4 is the side view of mobile pallet.
This mobile pallet comprises 1 support plate A, 2 riser B, 2 floor C and 1 base plate D; Base plate D is provided with 4 alignment pins to locate for 1682 lathes, accepts the connection of Deflection drill and 1682 lathes.
Horizontal machine tool Deflection drill for processing rotor hole in last years of a century is fixed on a mobile pallet for 1682 horizontal machine tools, and to be completed with the oval styletable holding screw 37 of square toes be connected by rise as high as the banks beginning holding screw 17, hexagon socket cap head screw 19, cylindrical pin with internal thread 20, base 21, T-slot screw 35, hex nut 36 of straight pin 15, slotted countersunk flat head screw 16.
Straight pin 15 for being fixedly connected with fuselage cover position use, as carried out can reassembling according to straight pin position in maintenance process.
Slotted countersunk flat head screw 16 is for installing fixing A front apron, B front apron and backboard.
Rise as high as the banks beginning holding screw 17 for fixing A axle, B axle, B rotating shaft and A rotating shaft.
Hexagon socket cap head screw 19, cylindrical pin with internal thread 20 are for by this Deflection drill and the location place of base plate D being arranged on the mobile pallet on lathe.
Base 21 is connected for the mobile pallet of this Deflection drill with 1682 horizontal machine tools, plays stabilization.
The oval styletable holding screw 37 of T-slot screw 35, hex nut 36, square toes is for being fixedly connected with bearing cover.
The data of detailed description of the invention ten, a kind of horizontal machine tool Deflection drill pin hole processing for processing rotor last years of a century hole of employing described in embodiment one, as shown in Table 1 and Table 2:
The data of table 11682 horizontal machine tool pin hole processing
The data of table 21682 horizontal machine tool pin hole processing
。
Claims (8)
1. the horizontal machine tool Deflection drill for processing rotor hole in last years of a century, it is characterized in that, it comprises variable speed electric motors, particularly (32), pinion (33), gear wheel (31), axle (29), power transmission shaft (14), travelling gear (12), N number of A axle (8), N number of A gear (39), M B axle (18), M B gear (40), A travelling gear (5), No. two deep groove ball bearings (6), backboard (9), A front apron (1), B front apron (10), A rotating shaft (3), B rotating shaft (22), angular contact bearing (4), a deep groove ball bearing (2) and C front apron (23),
Variable speed electric motors, particularly (32) is coaxially connected with pinion (33); Pinion (33) engages with gear wheel (31); The center of gear wheel (31) is provided with axle (29), and one end of axle (29) is coaxially connected with power transmission shaft (14); Power transmission shaft (14) is coaxially arranged with travelling gear (12);
Each A axle (8) correspondence is positioned at A gear (39) center, and the two is coaxial; N number of A gear (39) is engaged successively, and is arranged in straight line, forms A group transmission component; N is positive integer;
Each B axle (18) correspondence is positioned at B gear (40) center, and the two is coaxial; M B gear (40) is engaged successively, and is arranged in straight line, forms B group transmission component; M is positive integer;
A gear (39) is identical with B gear (40) structure; A gear (39) comprises A travelling gear (5) and No. two deep groove ball bearings (6); A travelling gear (5) is coaxially connected with A axle (8) by No. two deep groove ball bearings (6); In like manner, B gear (40) is coaxially connected with B axle (18) by No. two deep groove ball bearings (6);
The A gear (39) being positioned at A group transmission component one lateral edges and the B gear (40) being positioned at B group transmission component one lateral edges engage each other, and A group transmission component and B group transmission component are in a straight line, form one long-armed;
The side of A group transmission component and B group transmission component is provided with backboard (9); The opposite side of A group transmission component is provided with A front apron (1); The opposite side of B group transmission component is provided with B front apron (10);
Travelling gear (12) engages with a B gear (40) at B group transmission component opposite side edge;
A rotating shaft (3) is socketed in B rotating shaft (22), and B rotating shaft (22) is connected with the A travelling gear (5) in A group transmission component with a deep groove ball bearing (2) by angular contact bearing (4);
The arranged outside of B rotating shaft (22) has C front apron (23).
2. a kind of horizontal machine tool Deflection drill for processing rotor hole in last years of a century according to claim 1, it is characterized in that, it also comprises general flat key (28), and general flat key (28) is arranged between gear wheel (31) and axle (29).
3. a kind of horizontal machine tool Deflection drill for processing rotor hole in last years of a century according to claim 1, it is characterized in that, it also comprises circlip (30), top bearing cover (38), lower bearing end cap (26), bearing cage (25), fluting flush end holding screw (24) and hexagon-headed bolt (34); Flexible back-up ring (30) is all overlapped at the two ends of axle (29), and circlip (30) lays respectively at above and below gear wheel (31), the outside of circlip (30) is connected with top bearing cover (38) and lower bearing end cap (26) respectively by hexagon-headed bolt (34); The outside of top bearing cover (38) and lower bearing end cap (26) is fixed respectively by fluting flush end holding screw (24) and bearing cage (25).
4. a kind of horizontal machine tool Deflection drill for processing rotor hole in last years of a century according to claim 1, it is characterized in that, it also comprises C sleeve (27); C sleeve (27) is enclosed within gear wheel (31).
5. a kind of horizontal machine tool Deflection drill for processing rotor hole in last years of a century according to claim 1, it is characterized in that, it also comprises round end general flat key (13); Connected by round end general flat key (13) between power transmission shaft (14) and travelling gear (12).
6. a kind of horizontal machine tool Deflection drill for processing rotor hole in last years of a century according to claim 1, it is characterized in that, it also comprises A sleeve (7); A sleeve (7) is enclosed within A gear (39).
7. a kind of horizontal machine tool Deflection drill for processing rotor hole in last years of a century according to claim 1, it is characterized in that, it also comprises B sleeve (11); B sleeve (11) is enclosed within B gear (40).
8. a kind of horizontal machine tool Deflection drill for processing rotor hole in last years of a century according to claim 1, is characterized in that, the model of a deep groove ball bearing (2) is 61808; The model of No. two deep groove ball bearings (6) is 6205.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521003339.3U CN205128990U (en) | 2015-12-04 | 2015-12-04 | A horizontal lathe is rolled over to brill for processing rotor hole in last years of a century |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521003339.3U CN205128990U (en) | 2015-12-04 | 2015-12-04 | A horizontal lathe is rolled over to brill for processing rotor hole in last years of a century |
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| Publication Number | Publication Date |
|---|---|
| CN205128990U true CN205128990U (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521003339.3U Active CN205128990U (en) | 2015-12-04 | 2015-12-04 | A horizontal lathe is rolled over to brill for processing rotor hole in last years of a century |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106064311A (en) * | 2016-07-29 | 2016-11-02 | 中国长江动力集团有限公司 | A kind of big overhanging narrow drill reaming power set and large-sized numerical control sleeping carriage |
| CN110976953A (en) * | 2019-12-16 | 2020-04-10 | 北京龙威发电技术有限公司 | Narrow space axial pinhole processingequipment |
-
2015
- 2015-12-04 CN CN201521003339.3U patent/CN205128990U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106064311A (en) * | 2016-07-29 | 2016-11-02 | 中国长江动力集团有限公司 | A kind of big overhanging narrow drill reaming power set and large-sized numerical control sleeping carriage |
| CN110976953A (en) * | 2019-12-16 | 2020-04-10 | 北京龙威发电技术有限公司 | Narrow space axial pinhole processingequipment |
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