CN217529343U

CN217529343U - A gland seal groove processing equipment for gland seal segmental arc

Info

Publication number: CN217529343U
Application number: CN202221832304.0U
Authority: CN
Inventors: 付建平; 董志强; 张建华; 李立乡; 高寒; 牛武华
Original assignee: Jiangsu Turbine Electric Power Technology Co ltd
Current assignee: Jiangsu Turbine Electric Power Technology Co ltd
Priority date: 2022-07-17
Filing date: 2022-07-17
Publication date: 2022-10-04
Anticipated expiration: 2032-07-17

Abstract

The application discloses a vapor seal groove processing equipment for vapor seal segmental arc, the on-line screen storage device comprises a base, a column, the rocking arm, adjust the structure, processing structure and compact structure, a plurality of clamp plate grooves have been seted up to the base bottom, every clamp plate inslot all with compact structure sliding connection, the fixed stand that is equipped with of one end at base top, even equidistance is carved with the concentric arc line that uses the stand center as the centre of a circle on the mesa of base top, the stand rotates with the rocking arm to be connected, set up horizontal dovetail on the rocking arm, and horizontal dovetail both ends all are provided with first fixed block, two first fixed blocks all rotate with the level (l) adjustment lead screw and are connected, level (l) adjustment lead screw and regulation structure threaded connection, it is equipped with processing structure to adjust structural fixed. Compared with the prior art: the device can be suitable for the fluting processing of the vapor lock segmental arc of different diameter sizes, and shared volume is less, convenient operation, and labour saving and time saving can improve work efficiency.

Description

A gland seal groove processing equipment for gland seal segmental arc

Technical Field

The application relates to a steam turbine steam seal groove processing technology, in particular to steam seal groove processing equipment for a steam seal arc section.

Background

At present, a steam seal ring is used for high-speed rotating equipment such as a steam turbine and the like, the steam seal ring is generally divided into a plurality of arc sections in use, when steam seal teeth are repaired or upgraded and transformed, particularly when brush type seal teeth or other steam seal teeth are inlaid on the steam seal arc sections, the steam seal arc sections are grooved, a special tool is manufactured by a traditional grooving method, all the arc sections are recombined into a circle, the circle is aligned and clamped on a special clamp, a needed channel is turned on a lathe, and a tool clamp with a proper size is required to be manufactured for each steam seal arc section with different diameters, so that the process is complicated, and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

The technical problem that this application will be solved is to overcome above technical defect, provides a vapor seal groove processing equipment for vapor seal arc section.

According to one aspect of the application, the steam seal groove processing equipment for the steam seal arc section comprises a base, a stand column, a rocker arm, an adjusting structure, a processing structure and a pressing structure, wherein a through groove is formed in the bottom of the base, a plurality of pressure plate grooves are formed in the through groove and penetrate through the base, each pressure plate groove is connected with the pressing structure in a sliding mode, the stand column is fixedly arranged at one end of the top of the base, concentric circular arc lines with the center of the stand column as the circle center are carved on a table board at the top of the base at uniform equal intervals, the stand column is connected with the rocker arm in a rotating mode, a horizontal dovetail groove is formed in the rocker arm along the length direction of the rocker arm, first fixing blocks are arranged at two ends of the horizontal dovetail groove, the two first fixing blocks are connected with a horizontal adjusting lead screw in a rotating mode, one end, far away from the stand column, of the horizontal adjusting lead screw penetrates through the first fixing blocks and is fixedly connected with a horizontal rotating hand wheel, the horizontal adjusting screw rod is in threaded connection with the adjusting structure, the adjusting structure comprises a first sliding block, a vertical adjusting screw rod and a second sliding block, the first sliding block is vertically arranged along the length direction of the first sliding block, the inner part of the first sliding block is in threaded connection with the horizontal adjusting screw rod, one side of the first sliding block is provided with a horizontal dovetail sliding block and is in sliding connection with a horizontal dovetail groove, one side of the first sliding block, far away from the horizontal dovetail groove, is provided with a vertical dovetail groove along the length direction of the first sliding block, two ends of the vertical dovetail groove are respectively provided with a second fixed block, the two second fixed blocks are respectively in rotational connection with the vertical adjusting screw rod, one end of the vertical adjusting screw rod, far away from the base, penetrates through the second fixed blocks and is fixedly connected with a vertical rotating hand wheel, and the vertical adjusting screw rod penetrates through the second sliding blocks and is in threaded connection with the inner part of the second sliding block, one side of the second sliding block is provided with a vertical dovetail sliding block which is in sliding connection with the vertical dovetail groove, and one side of the second sliding block, which is far away from the vertical dovetail groove, is fixedly provided with the processing structure.

Preferably, compact structure includes pressure strip, fastening bolt and spacing bolt, fastening bolt with spacing bolt slides and locates the pressure strip inslot, and both have the one end of nut to be located the downside in pressure strip groove, fastening bolt with spacing bolt's screw section all runs through in proper order the pressure strip groove with the pressure strip to extend one section distance up, fastening bolt extends the spiro union has the upper nut on one section screw rod of pressure strip, fastening bolt is located the pressure strip with screw section spiro union between the pressure strip groove has the lower nut, spacing bolt is located the pressure strip with screw section spiro union between the pressure strip groove has fixation nut.

Preferably, the length direction of the pressing plate is consistent with the length direction of the pressing plate groove, and the fastening bolt is located on the pressing plate and close to the upright post.

Preferably, the processing structure includes driving motor, dop and saw bit milling cutter, driving motor with the second sliding block is kept away from one side fixed connection of perpendicular dovetail, driving motor output shaft orientation the base sets up, driving motor output shaft end fixing is equipped with the dop, be equipped with on the dop and be used for the fluting of gland sealing segmental arc saw bit milling cutter.

Preferably, the processing structure and the compressing structure are distributed along the length direction of the pressing plate groove, the processing structure is located at a position close to the upright post, and the compressing structure is located at a position far away from the upright post.

Preferably, the driving motor is fixedly connected with the second sliding block by bolts.

Preferably, the plurality of pressing plate grooves are uniformly and circumferentially distributed on the base in an equal angle.

Preferably, the horizontal adjusting screw rod and the vertical adjusting screw rod are respectively and movably connected with the first fixing block and the second fixing block through bearings in a rotating connection mode.

Compared with the prior art, the application has the advantages that: the utility model provides a gland sealing groove processing equipment for gland sealing segmental arc, sliding fit through the hold-down structure that sets up on the base and clamp plate groove, can press from both sides the gland sealing segmental arc of different diameter sizes tightly, and the gland sealing segmental arc of different diameter circular arc one-to-one different diameter sizes of portrayal on the base, the hold-down structure of deuterogamying, can press from both sides the tight location of gland sealing segmental arc that needs processing to the processing point of regulation fast, rocking arm through setting up, the cooperation of adjusting structure and processing structure is used, can fix a position fluting point and rotate the rocking arm fast and carry out the fluting processing accurately, the shared volume of the device is less, high durability and convenient operation, time saving and labor saving, can avoid making up all gland sealing segmental arc into the loaded down with trivial details process that standard circle turned again on special frock clamp again, and high work efficiency.

Drawings

Fig. 1 is a schematic structural view of a gland groove processing apparatus for a gland arc section according to an embodiment of the present application.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Fig. 3 is an enlarged schematic view of the structure of the portion B in fig. 1.

FIG. 4 is a schematic view of a base portion of a gland groove processing apparatus for a gland arc according to an embodiment of the present application.

Reference numerals: 1. a base; 2. a column; 3. a rocker arm; 4. an adjustment structure; 5. processing the structure; 6. a compression structure; 7. a platen slot; 8. a circular arc line; 9. a horizontal dovetail groove; 10. a first fixed block; 11. horizontally adjusting a lead screw; 12. horizontally rotating the hand wheel; 13. a first slider; 14. vertically adjusting the lead screw; 15. a second slider; 16. a vertical dovetail groove; 17. a second fixed block; 18. vertically rotating the hand wheel; 19. a compression plate; 20. fastening a bolt; 21. a limit bolt; 22. screwing a nut; 23. a lower nut; 24. fixing a nut; 25. a drive motor; 26. clamping a head; 27. a saw blade milling cutter; 28. and (4) sealing an arc section.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in figures 1 and 2, a vapor seal groove processing device for vapor seal arc sections, which comprises a base 1, a vertical column 2, a rocker arm 3, an adjusting structure 4, a processing structure 5 and a pressing structure 6, wherein the bottom of the base 1 is provided with a through groove, the through groove is internally provided with a plurality of pressing plate grooves 7 which penetrate through the base 1, the pressing plate grooves 7 are uniformly and equiangularly distributed in the circumferential direction, each pressing plate groove 7 is slidably connected with the pressing structure 6, one end of the top of the base 1 is fixedly provided with the vertical column 2, concentric circular arc lines 8 with the center of the vertical column 2 as the center are uniformly and equidistantly drawn on a table top at the top of the base 1, the upper middle part of the vertical column 2 is rotatably connected with the rocker arm 3, the middle part of one side of the rocker arm 3 is provided with a horizontal dovetail groove 9 along the length direction thereof, two ends of the horizontal dovetail groove 9 are respectively provided with a first fixing block 10, the two first fixing blocks 10 are rotatably connected with a horizontal adjusting lead screw 11, one end of the horizontal adjusting lead screw 11, which is far away from the vertical adjusting lead screw 11 penetrates through the first fixing block 10 and is fixedly connected with a dovetail groove 12, the second dovetail groove 13, the horizontal adjusting block 13 is provided with a horizontal sliding block 13, the sliding block 13 is connected with a second sliding block 13, the sliding block 13 which is connected with the vertical sliding block 13, the sliding block 13 which is connected with the vertical sliding block 13, the vertical adjusting lead screw block 13, one end of the vertical adjusting lead screw 14 far away from the base 1 penetrates through the second fixing block 17 and is fixedly connected with the vertical rotating hand wheel 18, so that the vertical adjusting lead screw 14 can be rotated conveniently, the vertical adjusting lead screw 14 penetrates through the second sliding block 15 and is in threaded connection with the inner portion of the second sliding block 15, one side of the second sliding block 15 is provided with a vertical dovetail sliding block and a vertical dovetail groove 16 in sliding connection, one side of the second sliding block 15 far away from the vertical dovetail groove 16 is fixedly provided with a processing structure 5, the vertical dovetail groove is connected with the rocker arm 3 in a rotating fit manner, the rocker arm 3 can be conveniently and repeatedly rotated relative to the upright post 2 so as to drive the processing structure 5 to be attached to the arc of the steam seal arc section 28 for grooving, through the horizontal adjusting lead screw 11 and the vertical adjusting lead screw 14, the movement adjustment of the processing structure 5 in the vertical direction and the horizontal direction can be realized, the positioning of grooving processing points is convenient, the steam seal arc sections 28 with different diameters can be clamped through the sliding fit of the pressing structure 6 and the pressing plate 7, and the steam seal arc sections with different diameters can be quickly positioned by pressing the arc sections with the arc sections 8 corresponding to be clamped one-to-by-one-by-one pressing.

In one embodiment, referring to fig. 3, the pressing structure 6 includes a pressing plate 19, a fastening bolt 20 and a limiting bolt 21, the fastening bolt 20 and the limiting bolt 21 are slidably disposed in the pressing plate groove 7, and one end of the fastening bolt 20 and the limiting bolt 21 with nuts is located at the lower side of the pressing plate groove 7, the screw portions of the fastening bolt 20 and the limiting bolt 21 sequentially penetrate through the pressing plate groove 7 and the pressing plate 19 and extend upward for a distance, the length direction of the pressing plate 19 is consistent with the length direction of the pressing plate groove 7, so that the clamping of the gland sealing arc section 28 is more stable, the screw portion of the fastening bolt 20 extending out of the pressing plate 19 is screwed with an upper nut 22, the screw portion of the fastening bolt 20 located between the pressing plate 19 and the pressing plate groove 7 is screwed with a lower nut 23, the screw portion of the limiting bolt 21 located between the pressing plate 19 and the pressing plate groove 7 is screwed with a fixing nut 24, the relative positions of the fastening bolt 20 and the limiting bolt 21 are such that the fastening bolt 20 is close to the upright column 2 and the limiting bolt 21 is far away from the upright column 2, the upper nut 23 is capable of clamping the gland sealing arc section 28 when the fastening bolt 20 is fastened by the upper nut 22, and the fixing nut 23 is further capable of being adjusted, and the upper nut 23 is further capable of stabilizing the upper nut and the upper nut 23.

In one embodiment, referring to fig. 1 and 2, the processing structure 5 includes a driving motor 25, a chuck 26 and a blade mill 27, the driving motor 25 is fixedly connected to one side of the second sliding block 15 away from the vertical dovetail groove 16, an output shaft of the driving motor 25 is disposed toward the base 1, the end of the output shaft of the driving motor 25 is fixedly provided with the chuck 26, the chuck 26 is equipped with the blade mill 27 for grooving the vapor sealing arc section 28, wherein the processing structure 5 and the pressing structure 6 are distributed along the length direction of the pressure plate groove 7, the processing structure 5 is located at a position close to the upright post 2, and the pressing structure 6 is located at a position away from the upright post 2.

In one embodiment, the driving motor 25 is fixedly connected to the second sliding block 15 by bolts, so that the driving motor 25 can be disassembled and assembled for subsequent repair and replacement.

In one embodiment, the horizontal adjusting screw 11 and the vertical adjusting screw 14 are respectively connected with the first fixing block 10 and the second fixing block 17 in a rotating manner and are movably connected with bearings.

In one embodiment, the horizontal rotating handwheel 12 and the vertical rotating handwheel 18 are provided with dimensional scales to ensure machining accuracy.

In one embodiment, the gland seal teeth can be trimmed and machined by the device by replacing the proper abrasive disc or grinding head.

The working principle is as follows: when the steam seal arc section 28 is placed, the steam seal arc section 28 needing to be grooved is placed on the base 1, the steam seal arc section 28 is moved to enable the radian of the steam seal arc section to be matched with the concentric arc line 8, then the pressing plate 19 is slid and lightly pressed against the steam seal arc section 28, then the lower nut 23 and the fixing nut 24 are respectively screwed for pre-fixing, then the rocker arm 3 is rotated to match with the adjusting horizontal rotating hand wheel 12, the vertical rotating hand wheel 18 and the fine adjusting steam seal arc section 28, so that the saw blade milling cutter 27 and the steam seal arc section 28 are uniformly matched in the circumferential direction, and then the upper nut 22 is screwed to enable the pressing plate 19 to press the steam seal arc section 28; during slotting, the horizontal rotating hand wheel 12 and the vertical rotating hand wheel 18 are adjusted, the saw blade milling cutter 27 is aligned to the position needing slotting, then the driving motor 25 is started, then the rocker arm 3 is repeatedly rotated, slotting machining is carried out by matching with the adjustment of the horizontal rotating hand wheel 12, the depth and the width of the machined slot are read by reading the scales of the horizontal rotating hand wheel and the vertical rotating hand wheel, and the progress is gradually adjusted until the requirements are met. The next gland seal segment 28 is then replaced with the same segment fixed in place. Repeating the steps until all arc sections are processed.

The above embodiments are only used to illustrate the technical solutions of the embodiments of the present application, and not to limit the same. Although the embodiments of the present application have been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a vapor seal groove processing equipment for vapor seal segmental arc, includes base (1), stand (2), rocking arm (3), regulation structure (4), processing structure (5) and compact structure (6), a serial communication port, logical groove has been seted up to base (1) bottom, logical inslot have been seted up a plurality of clamp plate grooves (7) run through in base (1), every in clamp plate groove (7) all with compact structure (6) sliding connection, the one end at base (1) top is fixed to be equipped with stand (2), even equidistance is carved with on base (1) top mesa with stand (2) center is concentric circular arc line (8) of centre of a circle, stand (2) with rocking arm (3) rotate to be connected, horizontal dovetail (9) have been seted up along its length direction in one side of rocking arm (3), just horizontal dovetail (9) both ends all are provided with first fixed block (10), two first fixed block (10) all rotate with horizontal regulation lead screw (11) and are connected, horizontal regulation lead screw (11) are kept away from stand one end first fixed block (2) and adjustment structure (12) are connected with hand wheel (4) rotation regulation lead screw (13) and first lead screw (13) fixed block (10), slide block (13) are connected Perpendicular regulation lead screw (14) and second sliding block (15), first sliding block (13) are along its vertical setting of length direction, first sliding block (13) inside with horizontal regulation lead screw (11) threaded connection, first sliding block (13) one side be provided with horizontal forked tail slider with horizontal dovetail (9) sliding connection, first sliding block (13) are kept away from one side of horizontal dovetail (9) has seted up perpendicular dovetail (16) along its length direction, the both ends of perpendicular dovetail (16) all are provided with second fixed block (17), two second fixed block (17) all with perpendicular regulation lead screw (14) rotate to be connected, perpendicular regulation lead screw (14) are kept away from the one end of base (1) runs through second fixed block (17) and with vertical rotation hand wheel (18) fixed connection, perpendicular regulation lead screw (14) run through second sliding block (15) and with its internal thread connection, one side of second sliding block (15) be provided with perpendicular dovetail slider with perpendicular dovetail (16) sliding connection, second dovetail (15) are kept away from perpendicular fixed dovetail (16) one side of processing structure (5) are equipped with.

2. The steam seal groove processing equipment for the steam seal arc section according to claim 1, wherein the compression structure (6) comprises a compression plate (19), a fastening bolt (20) and a limiting bolt (21), the fastening bolt (20) and the limiting bolt (21) are slidably arranged in the compression plate groove (7), one ends of the fastening bolt (20) and the limiting bolt (21) with nuts are located on the lower side of the compression plate groove (7), the fastening bolt (20) and the screw portion of the limiting bolt (21) sequentially penetrate through the compression plate groove (7) and the compression plate (19) and extend upwards for a certain distance, the fastening bolt (20) extends out of a section of screw of the compression plate (19) and is in threaded connection with an upper nut (22), the fastening bolt (20) is located in threaded connection with a lower nut (23) in the screw portion between the compression plate (19) and the compression plate groove (7), and the limiting bolt (21) is located in threaded connection with a fixing nut (24) in the screw portion between the compression plate (19) and the compression plate groove (7).

3. Gland groove machining equipment for gland sealing arc sections according to claim 2, characterized in that the length direction of the pressing plate (19) is consistent with the length direction of the pressing plate groove (7), and the fastening bolt (20) is positioned on the pressing plate (19) near the upright (2).

4. The steam seal groove processing equipment for the steam seal arc section is characterized in that the processing structure (5) comprises a driving motor (25), a clamping head (26) and a saw blade milling cutter (27), the driving motor (25) is fixedly connected with one side, away from the vertical dovetail groove (16), of the second sliding block (15), the output shaft of the driving motor (25) is arranged towards the base (1), the end part of the output shaft of the driving motor (25) is fixedly provided with the clamping head (26), and the saw blade milling cutter (27) for slotting the steam seal arc section (28) is assembled on the clamping head (26).

5. Gland sealing groove processing equipment for gland sealing arc sections, according to claim 4, characterized in that the processing structure (5) and the pressing structure (6) are distributed along the length direction of the pressure plate groove (7), the processing structure (5) is located at a position close to the upright post (2), and the pressing structure (6) is located at a position far away from the upright post (2).

6. The gland sealing groove processing equipment for the gland sealing arc section is characterized in that the driving motor (25) is fixedly connected with the second sliding block (15) in a bolt connection mode.

7. The gland sealing groove processing equipment for the gland sealing arc section is characterized in that a plurality of the pressure plate grooves (7) are uniformly and circumferentially distributed at equal angles on the base (1).

8. The steam seal groove processing equipment for the steam seal arc section according to claim 1, wherein the horizontal adjusting screw rod (11) and the vertical adjusting screw rod (14) are respectively and movably connected with the first fixing block (10) and the second fixing block (17) in a manner of rotation.