CN218592882U

CN218592882U - Vapor seal assembly fixture

Info

Publication number: CN218592882U
Application number: CN202222334015.4U
Authority: CN
Inventors: 罗帆
Original assignee: Deyang Wanteng Machinery Manufacturing Co ltd
Current assignee: Deyang Wanteng Machinery Manufacturing Co ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2023-03-10
Anticipated expiration: 2032-09-02

Abstract

The utility model relates to the field of mechanical tools, in particular to a vapor seal assembly tool, which comprises a base, a bracket, a top pressure arm mechanism and a clamping fixed seat; the utility model discloses the steam seal arc section's of going into is pressed with the fillet through the top pinch roller that sets up in the telescopic arm mechanism of roof pressure, and the advantage is through setting up the top pinch roller in telescopic arm mechanism, and the roof pressure wheel top is articulated with the support top, and roof pressure wheel edge circumference is provided with the constant head tank, and the diameter of constant head tank one side is greater than the diameter of opposite side, and the centre gripping fixing base sets up in roof pressure arm mechanism below, the utility model discloses after the advantage is through setting up the top pinch roller in telescopic arm mechanism, the top pinch roller top is pushed down steam seal tooth and fillet, rotatory first hand wheel, in the groove of steam seal arc section of going into with steam seal tooth and fillet, at the rotation handle, makes the gyro wheel rotate on the steam seal arc section, can all impress whole steam seal tooth in the steam seal arc section, convenient and fast.

Description

Vapor seal assembly fixture

Technical Field

The utility model relates to a mechanical tooling field, especially a vapor seal assembly fixture.

Background

The steam turbine has two parts of stator and rotor, when working, the rotor rotates at high speed, the stator is fixed, so a certain gap must be kept between the rotor and the stator, mutual friction is avoided, steam can escape from the gap, the efficiency of the unit is reduced, the escape of the steam needs to be slowed down by arranging a steam seal, a labyrinth type steam seal is usually used in the steam turbine, the whole steam seal is annular, the whole steam seal ring consists of 6 to 8 sections of steam seal arc sections, steam seal teeth are processed or inlaid on the steam seal arc sections, the steam seal arc sections can be respectively inlaid in an annular channel on the inner wall of a steam seal body to form the steam seal, and the main forms of the steam seal teeth are comb tooth type, J type and longitudinal tree type.

The section of the steam seal tooth of the J-shaped steam seal tooth is J-shaped, and a stainless steel fillet is pressed in the groove of the arc section of the steam seal. The J-shaped steam seal tooth steam seal piece is thin, the bearing capacity is small, the steam seal piece is easy to damage, a flat shovel head is usually used for manual knocking when a worker assembles the J-shaped steam seal tooth at present, the steam seal tooth and a fillet are embedded into a steam seal arc section, the efficiency is low, and the steam seal tooth is easy to knock and deform during knocking, so that steam seal scrapping is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide a vapor seal assembly fixture.

The purpose of the utility model is realized through the following technical scheme: a steam seal assembly tool comprises a base, a support, a jacking arm mechanism and a clamping fixed seat; the steam seal clamping device is characterized in that the support and the clamping fixing seat are arranged on the base, the jacking arm mechanism is arranged at the top of the support and comprises a jacking wheel and a jacking telescopic arm, the jacking wheel is rotatably arranged at the bottom end of the jacking telescopic arm, the top end of the jacking telescopic arm is hinged with the support, a positioning groove is formed in the periphery of the edge of the jacking wheel, the clamping fixing seat is arranged below the jacking arm mechanism, a steam seal arc section is fixed on the clamping fixing mechanism, the jacking wheel is jacked to steam seal teeth and a fillet through the telescopic arm mechanism, the steam seal teeth and the fillet are jacked into the steam seal arc section, the whole telescopic arm mechanism is rotated, the steam seal teeth and the fillet are pressed into the whole steam seal arc section, and convenience and rapidness are achieved.

The base comprises a mounting plate and supporting legs, the supporting legs are arranged at four corners of the bottom of the mounting plate, the support is provided with a clamping fixing seat, the support comprises two vertical plates and a top plate, the two vertical plates are vertically arranged at two ends of the mounting plate respectively, two ends of the top plate are connected with the tops of the vertical plates, two hinged lugs are arranged at the bottom of the top plate, the top of the top pressure telescopic arm is hinged with the top plate through the hinged lugs, and the support facilitates installation of the telescopic arm mechanism.

Specifically, the top-pressing telescopic boom comprises a telescopic large boom, a telescopic small boom, a telescopic boom screw, a first hand wheel and a top-pressing wheel moving mechanism, the top of the telescopic large boom is hinged to the hinged lugs, a rectangular hole is formed in the top plate between the two hinged lugs, a telescopic cavity is formed in the bottom of the telescopic large boom, one end of the telescopic small boom is arranged in the telescopic cavity in a sliding mode, the bottom end of the telescopic boom screw is connected with the telescopic small boom in a rotating mode, the top of the telescopic boom screw penetrates through the top of the telescopic large boom and the rectangular hole and is in threaded connection with the telescopic large boom, the first hand wheel is coaxially connected with the top of the telescopic boom screw, the top-pressing wheel moving mechanism is arranged at the bottom of the telescopic small boom, the top-pressing wheel is arranged at the bottom of the top-pressing wheel moving mechanism, and when a steam seal tooth and a fillet are pressed, the telescopic boom is driven to move through the telescopic boom screw, so that a large top-pressing force can be generated.

Specifically, the top pressure wheel moving mechanism comprises a top pressure wheel mounting block and a top pressure wheel moving screw, a groove is formed in the bottom of the small telescopic arm, a slide rail is arranged in the groove, the top pressure wheel mounting block is connected with the slide rail in a sliding mode, the top pressure wheel moving screw is parallel to the slide rail and is connected with the two sides of the groove in a rotating mode, the top pressure wheel mounting block is connected with the top pressure wheel moving screw in a threaded mode, the top pressure wheel is connected with the top pressure wheel mounting block in a rotating mode, a second hand wheel is coaxially arranged at one end of the top pressure wheel moving screw, the top pressure wheel can move perpendicular to the plane of the swing of the telescopic arm mechanism through the top pressure wheel moving mechanism, and the top pressure wheel mechanism can press steam seal teeth at different positions on the same steam seal arc section.

Specifically, the telescopic small arm is provided with a rotating handle, and the rotating handle is convenient for an operator to rotate the telescopic arm mechanism.

Specifically, the centre gripping fixing base includes C shape grip block, top tight screw rod, lifting screw and lift guide post, C shape grip block opening sets up, top tight screw rod run through and threaded connection in C presss from both sides grip block one side, the vertical a plurality of lift guide posts that are provided with in C clamp grip block bottom, be provided with a plurality of guiding holes on the mounting panel, the guiding post slide set up in the guiding hole, the lifting screw rod top with C presss from both sides grip block bottom and rotates to be connected, the lifting screw rod with mounting panel threaded connection, the lifting screw rod bottom runs through the mounting panel, the coaxial third hand wheel that is provided with in lifting screw rod bottom, top tight screw rod one end is provided with the fourth hand wheel, the centre gripping fixing base can change the height, adapts to not unidimensional vapor seal.

The steam seal clamping device comprises a clamping fixing seat, and is characterized by further comprising a supporting mechanism, wherein the supporting mechanism comprises supporting blocks and a bidirectional screw rod, sliding grooves are formed in the mounting plate, sliding strips are arranged on the supporting blocks, the two supporting blocks are arranged on the two sides of the clamping fixing seat and are in sliding connection with the mounting plate through the sliding grooves and the sliding strips, two sections of the bidirectional screw rod, which are opposite in thread direction, are in threaded connection with the two supporting blocks respectively, a fifth hand wheel is coaxially arranged at one end of the bidirectional screw rod, and the supporting mechanism can support the two ends of a steam seal arc section, so that steam seal clamping is more stable when being jacked.

Specifically, the tops of the supporting blocks are inclined planes, the inclined planes on the two supporting blocks are arranged oppositely, and the inclined planes can adapt to the steam seal arc sections with more sizes.

The utility model has the advantages of it is following:

1. through the top pressure wheel arranged on the telescopic arm mechanism, after the top pressure wheel presses the steam seal teeth and the insertion strip, the first hand wheel is rotated to press the steam seal teeth and the insertion strip into the grooves of the steam seal arc sections, the handle is rotated to enable the roller wheels to rotate on the steam seal arc sections, the whole steam seal teeth can be pressed into the steam seal arc sections, and the operation is convenient and fast.

2. Through setting up the fixed fixture of liftable, can press fitting not unidimensional vapor seal.

Drawings

FIG. 1 is a schematic structural view of the vapor seal assembly fixture of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

fig. 3 is an exploded view of the gland seal assembly tool of the present invention;

fig. 4 is a top pressure cross-sectional view of the top pressure wheel of the present invention;

in the figure: 1. mounting a plate; 2. supporting legs; 3. a fifth hand wheel; 4. tightly pushing the screw rod; 5. a vertical plate; 6. a top pinch roller mounting block; 7. a handle; 8. a top plate; 9. a rectangular hole; 10. a telescopic arm screw; 11. a first hand wheel; 12. a hinge lug; 13. a telescopic large arm; 14. a telescopic small arm; 15. a vapor seal arc section; 16. a supporting block; 17. a C-shaped clamping plate; 18. a fourth hand wheel; 19. a guide post; 20. a third hand wheel; 21. a lifting screw; 22. a bidirectional screw; 23. a top pinch roller; 24. positioning a groove; 25. a slide rail; 26. a telescopic cavity; 27. the top pressing wheel moves the screw rod; 28. a guide hole; 29. a fillet; 30. and (4) steam seal teeth.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention, i.e., the described embodiments are merely illustrative of some, but not all, of the embodiments of the invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a" \8230; "does not exclude the presence of additional like elements in the process, method, article, or apparatus that comprises the element.

The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.

As shown in fig. 1-4, the device comprises a base, a bracket, a top pressure arm mechanism and a clamping fixed seat; the support and the clamping fixing seat are arranged on the base, the top pressing arm mechanism is arranged at the top of the support and comprises a top pressing wheel 23 and a top pressing telescopic arm, the top pressing wheel 23 is rotatably arranged at the bottom end of the top pressing telescopic arm, the top end of the top pressing telescopic arm is hinged with the support, a positioning groove 24 is formed in the edge circumference of the top pressing wheel 23, the diameter of one side of the positioning groove 24 is larger than that of the other side of the positioning groove 24, the clamping fixing seat is arranged below the top pressing arm mechanism, the steam seal arc section 15 is fixed on the clamping fixing mechanism, the steam seal teeth 30 and the fillet 29 are placed in the groove of the steam seal arc section 15, the positioning groove 24 in the edge of the top pressing wheel 23 is aligned with the steam seal teeth 30, the side with the larger diameter of the positioning groove 24 is pressed on the fillet 29, the length of the telescopic arm mechanism is adjusted, the fillet 29 is pressed into the groove of the steam seal arc section 15, the steam seal teeth 30 are further pressed into the groove of the steam seal arc section 15 by the J-shaped fillet 29, the whole telescopic arm mechanism rotates around a hinge point, the top pressing wheel 23 is rolled on the whole fillet 29, and the steam seal teeth 30 and the whole fillet 15 is conveniently.

Further, the base includes mounting panel 1 and supporting leg 2, supporting leg 2 sets up in 1 bottom four corners position of mounting panel, the support with the centre gripping fixing base all set up in on the mounting panel 1, the support includes two vertical boards 5 and a roof 8, two vertical board 5 respectively vertical set up in 1 both ends of mounting panel, the both ends and two of roof 8 vertical board 5 top is connected, the bottom of roof 8 is provided with two articulated ears 12, the top of roof pressure telescopic boom pass through articulated ear 12 with roof 8 is articulated, and the support makes things convenient for telescopic boom mechanism's installation.

Further, the top pressure telescopic boom comprises a telescopic large boom 13, a telescopic small boom 14, a telescopic boom screw rod 10, a first hand wheel 11 and a top pressure wheel moving mechanism, the top of the telescopic large boom 13 is hinged to the hinged lugs 12, a rectangular hole 9 is formed in the top plate 8 and located between the two hinged lugs 12, a telescopic cavity 26 is formed in the bottom of the telescopic large boom 13, one end of the telescopic small boom 14 is arranged in the telescopic cavity 26 in a sliding mode, the bottom end of the telescopic boom screw rod 10 is connected with the telescopic small boom 14 in a rotating mode, the top of the telescopic boom screw rod 10 penetrates through the top of the telescopic large boom 13 and the rectangular hole 9 and is in threaded connection with the telescopic large boom 13, the first hand wheel 11 is connected with the top of the telescopic boom screw rod 10 in a coaxial mode, the top pressure wheel moving mechanism is arranged at the bottom of the telescopic small boom 14, the top pressure wheel 23 is arranged at the bottom of the top pressure wheel moving mechanism, and when gland seal teeth 30 and fillets 29 are pressed, the telescopic boom screw rod 10 is used for driving the telescopic small boom 14 to move, so that a larger top pressure force can be generated for embedding gland seal teeth 30 into a gland seal arc groove 15.

Further, the top pressure wheel moving mechanism comprises a top pressure wheel mounting block 6 and a top pressure wheel moving screw 27, a groove is formed in the bottom of the small telescopic arm 14, a slide rail 25 is arranged in the groove, the top pressure wheel mounting block 6 is slidably connected with the slide rail 25, the top pressure wheel moving screw 27 is parallel to the slide rail 25 and is rotatably connected with two sides of the groove, the top pressure wheel mounting block 6 is in threaded connection with the top pressure wheel moving screw 27, the top pressure wheel 23 is rotatably connected with the top pressure wheel mounting block 6, a second hand wheel is coaxially arranged at one end of the top pressure wheel moving screw 27, and the top pressure wheel moving mechanism enables the top pressure wheel 23 to move perpendicular to the plane of the telescopic arm mechanism, so that the top pressure wheel 23 mechanism can press the steam seal teeth 30 at different positions on the same steam seal arc section 15.

Furthermore, a rotating handle 7 is arranged on the telescopic small arm 14, and the rotating handle 7 is convenient for an operator to rotate the telescopic arm mechanism.

Further, the centre gripping fixing base includes C shape grip block 17, top tight screw rod 4, lifting screw 21 and lift guide post 19, C shape grip block 17 opening sets up, top tight screw rod 4 run through and threaded connection in C presss from both sides grip block 17 one side, C presss from both sides grip block 17 bottom vertical a plurality of lift guide posts 19 that are provided with, be provided with a plurality of guiding holes 28 on the mounting panel 1, guiding post 19 slide set up in the guiding hole 28, lifting screw 21 top with C presss from both sides grip block 17 bottom and rotates the connection, lifting screw 21 with mounting panel 1 threaded connection, lifting screw 21 bottom is run through mounting panel 1, the coaxial third hand wheel 20 that is provided with in lifting screw 21 bottom, top tight screw rod 4 one end is provided with fourth hand wheel 18, the centre gripping fixing base can change the height, adapts to not unidimensional vapor seal.

Further, the steam seal clamping device further comprises a supporting mechanism, the supporting mechanism comprises supporting blocks 16 and a bidirectional screw 22, sliding grooves are formed in the mounting plate 1, sliding strips are arranged on the supporting blocks 16, the two supporting blocks 16 are arranged on two sides of the clamping fixing seat and are in sliding connection with the mounting plate 1 through the sliding grooves and the sliding strips, two sections of the bidirectional screw 22 with opposite threads are in threaded connection with the two supporting blocks 16 respectively, a fifth hand wheel 3 is coaxially arranged at one end of the bidirectional screw 22, and the supporting mechanism can support two ends of the steam seal arc section 15, so that steam seal clamping is more stable when the steam seal clamping device is jacked.

Furthermore, the tops of the supporting blocks 16 are inclined planes, the inclined planes on the two supporting blocks 16 are arranged oppositely, and the inclined planes can adapt to the steam seal arc sections 15 with more sizes.

The foregoing is illustrative of the present invention and is not to be construed as limiting thereof in any manner. The technical solutions of the present invention can be used by anyone skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the invention. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technology of the present invention all belong to the protection scope of the present technical solution, without departing from the contents of the technical solution of the present invention.

Claims

1. The utility model provides a gland seal assembly fixture which characterized in that: comprises a base, a bracket, a jacking arm mechanism and a clamping fixed seat; the support and the clamping fixing seat are arranged on the base, the jacking arm mechanism is arranged at the top of the support and comprises a jacking wheel (23) and a jacking telescopic arm, the jacking wheel (23) is rotatably arranged at the bottom end of the jacking telescopic arm, the top end of the jacking telescopic arm is hinged to the support, a positioning groove (24) is formed in the periphery of the edge of the jacking wheel (23), and the clamping fixing seat is arranged below the jacking arm mechanism.

2. The gland seal assembling tool according to claim 1, characterized in that: the base includes mounting panel (1) and supporting leg (2), supporting leg (2) set up in mounting panel (1) bottom four corners position, the support with the centre gripping fixing base all set up in on mounting panel (1), the support includes two vertical boards (5) and one roof (8), two vertical board (5) respectively vertical set up in mounting panel (1) both ends, the both ends and two of roof (8) vertical board (5) top is connected, the bottom of roof (8) is provided with two articulated ears (12), the top of roof pressure telescopic boom through articulated ear (12) with roof (8) are articulated.

3. The gland seal assembling tool according to claim 2, characterized in that: the flexible arm of roof pressure includes flexible big arm (13), flexible forearm (14), flexible arm screw rod (10), first hand wheel (11) and roof pressure wheel moving mechanism, flexible big arm (13) top with hinge lug (12) are articulated, it is provided with rectangular hole (9) to lie in between two hinge lug (12) on roof (8), flexible big arm (13) bottom is provided with flexible chamber (26), the one end of flexible forearm (14) slide set up in flexible chamber (26), flexible arm screw rod (10) bottom with flexible forearm (14) rotate to be connected, flexible arm screw rod (10) top is run through the top of flexible big arm (13) with rectangular hole (9) and with flexible big arm (13) threaded connection, first hand wheel (11) with flexible arm screw rod (10) top coaxial coupling, roof pressure wheel moving mechanism sets up in flexible forearm (14) bottom, roof pressure wheel (23) set up in roof pressure wheel moving mechanism bottom.

4. The gland seal assembling tool according to claim 3, characterized in that: the top pressing wheel moving mechanism comprises a top pressing wheel mounting block (6) and a top pressing wheel moving screw (27), a groove is formed in the bottom of the telescopic small arm (14), a sliding rail (25) is arranged in the groove, the top pressing wheel mounting block (6) is in sliding connection with the sliding rail (25), the top pressing wheel moving screw (27) is parallel to the sliding rail (25) and connected with the two sides of the groove in a rotating mode, the top pressing wheel mounting block (6) is in threaded connection with the top pressing wheel moving screw (27), the top pressing wheel (23) is connected with the top pressing wheel mounting block (6) in a rotating mode, and a second hand wheel is coaxially arranged at one end of the top pressing wheel moving screw (27).

5. The gland seal assembling tool according to claim 4, characterized in that: the telescopic small arm (14) is provided with a rotating handle (7).

6. The gland seal assembling tool according to claim 2, characterized in that: the centre gripping fixing base includes C shape grip block (17), top tight screw rod (4), lifting screw rod (21) and lift guide post (19), C shape grip block (17) opening sets up, top tight screw rod (4) run through and threaded connection in C shape grip block (17) one side, C shape grip block (17) bottom is vertical to be provided with a plurality of lift guide posts (19), be provided with a plurality of guiding holes (28) on mounting panel (1), guide post (19) slide set up in guiding hole (28), lifting screw rod (21) top with C clamp holds board (17) bottom and rotates the connection, lifting screw rod (21) with mounting panel (1) threaded connection, lifting screw rod (21) bottom runs through mounting panel (1), lifting screw rod (21) bottom coaxial third hand wheel (20) that is provided with, top tight screw rod (4) one end is provided with fourth hand wheel (18).

7. The gland seal assembling tool according to claim 2, characterized in that: the novel fixture is characterized by further comprising a supporting mechanism, the supporting mechanism comprises supporting blocks (16) and a bidirectional screw (22), sliding grooves are formed in the mounting plate (1), sliding strips are arranged on the supporting blocks (16), the supporting blocks (16) are arranged on two sides of the clamping fixing seat and are in sliding connection with the mounting plate (1) through the sliding grooves and the sliding strips, two sections of the bidirectional screw (22) with opposite threads are in threaded connection with the two supporting blocks (16) respectively, and a fifth hand wheel (3) is coaxially arranged at one end of the bidirectional screw (22).

8. The gland seal assembling tool according to claim 7, characterized in that: the tops of the supporting blocks (16) are inclined planes, and the inclined planes on the two supporting blocks (16) are oppositely arranged.