CN213561193U

CN213561193U - Clamp for machining tube plate of steam turbine condenser

Info

Publication number: CN213561193U
Application number: CN202022524211.9U
Authority: CN
Inventors: 郑建煌; 辛建强; 孙常辉
Original assignee: Shanxi Gaoyi Steel Co ltd
Current assignee: Shanxi Gaoyi Steel Co ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-06-29
Anticipated expiration: 2030-11-05

Abstract

The utility model discloses an anchor clamps are used in processing of steam turbine condenser tube sheet relates to tube sheet anchor clamps technical field, specifically is including the base, and the last fixed surface of base is connected with the flange axle, and the inside of flange axle is pegged graft and is had the ring flange, and the last fixed surface of ring flange is connected with the roating seat. This anchor clamps are used in processing of steam turbine condenser tube sheet, setting through the fixed block, make this anchor clamps are used in processing of steam turbine condenser tube sheet possess the effect of making things convenient for the centre gripping, cooperation setting through screw rod and fixed column, the in-process that uses can rotate the screw rod through the handle, under the effect of fixed block, the briquetting moves down, the briquetting lapse moves down under the oppression, the fixed column drives the arc fixture block and carries out the centre gripping to the tube sheet, thereby the effect of being convenient for to the tube sheet centre gripping has been played, the purpose of being convenient for fixed processing has been reached, thereby the action wheel drives from the driving wheel rotation and drives the roating seat rotation, thereby the effect of adjusting the direction of processing has been played, the purpose of.

Description

Clamp for machining tube plate of steam turbine condenser

Technical Field

The utility model relates to a tube sheet anchor clamps technical field specifically is an anchor clamps are used in processing of steam turbine condenser tube sheet.

Background

The steam turbine is also called as a steam turbine engine, and is a rotary steam power device.A high-temperature high-pressure steam passes through a fixed nozzle to become an accelerated airflow and then is sprayed onto blades, so that a rotor provided with blade rows rotates, and simultaneously, the rotor does work outwards. Steam turbines are the main equipment of modern thermal power plants, and are also used in metallurgical industry, chemical industry and ship power devices, and condensers are heat exchangers for condensing steam discharged from steam turbines into water, and are also called as water recyclers. The condenser is mainly used in a steam turbine power device and is divided into a water-cooling condenser and an air-cooling condenser, and a tube plate is a round steel plate which is provided with holes slightly larger than the outer diameter of a tube and is used for fixing the tube and sealing a medium in a heat exchanger. Penetrate the pipe and weld fixedly, play a accessory of doing so, the precision of tube sheet processing, especially tube hole interval and pipe diameter tolerance, straightness that hangs down, finish are all greatly influencing the equipment and the performance of the above listed chemical industry equipment, and the tube sheet need be to the pipe diameter tolerance, and downthehole finish has or not burr, scratches the groove position, processes, need carry out diversified processing to the tube sheet, fixes a position to sum up, current anchor clamps have to change the direction to the tube sheet processing, and is inconvenient to the shortcoming of tube sheet location processing.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a steam turbine condenser is anchor clamps for tube sheet processing has solved the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the rotary table comprises a base, the upper surface of the base is fixedly connected with a flange shaft, a flange plate is inserted into the flange shaft, the upper surface of the flange plate is fixedly connected with a rotary seat, the inner bottom wall of the base is fixedly connected with a shaft seat, a second gear shaft is inserted into the shaft seat, the outer side surface of the second gear shaft is fixedly connected with a driven wheel, one side of the driven wheel is meshed with a driving wheel, the upper surface of the rotary seat is fixedly connected with a fixed block, a fixed column is inserted into the bottom of the fixed block, a spring is sleeved outside the fixed column, one end of the fixed column is fixedly connected with an arc-shaped clamping block, the other end of the fixed column is fixedly connected with a lower pressing block, the top of the fixed block is in threaded connection with a screw rod, one end.

Optionally, the upper surface of the rotating seat is fixedly connected with a supporting block, one side of the base is fixedly connected with a fixed seat, and one side of the fixed seat is fixedly connected with a servo motor.

Optionally, the inside fixedly connected with gear fixing base of base, the inside fixedly connected with first gear shaft of gear fixing base is passed through to servo motor's output, the lateral surface of first gear shaft is fixed connection with the inside of action wheel.

Optionally, a positioning hole is formed in the flange, and the upper surface of the flange is fixedly connected with the lower surface of the rotating seat through the positioning hole.

Optionally, the number of the fixing blocks is four, the four fixing blocks are equidistantly distributed on the upper surface of the rotating base, and the other end of the second gear shaft is fixedly connected with a connecting block.

Optionally, one side of the arc-shaped fixture block is fixedly connected with a buffer rubber, and a positioning hole is formed in the rotating seat.

(III) advantageous effects

The utility model provides an anchor clamps are used in processing of steam turbine condenser tube sheet possesses following beneficial effect:

1. this anchor clamps are used in processing of steam turbine condenser tube sheet, through the setting of fixed block, make this anchor clamps are used in processing of steam turbine condenser tube sheet possess the effect of making things convenient for the centre gripping, set up through the cooperation of screw rod and fixed column, the in-process of using can rotate the screw rod through the handle, under the effect of fixed block, the briquetting shifts down, the briquetting removes to the center under the oppression, the fixed column drives the arc fixture block and carries out the centre gripping to the tube sheet to play the effect of being convenient for to the tube sheet centre gripping, reached the purpose of being convenient for fixed processing.

2. This anchor clamps are used in processing of steam turbine condenser tube sheet, through servo motor's setting, make this anchor clamps are used in processing of steam turbine condenser tube sheet possess the effect of adjusting the direction, set up through the cooperation from driving wheel and flange, can rotate through servo motor at the in-process that uses and drive the action wheel, thereby the action wheel drives from the driving wheel rotation and drives the roating seat rotation to the effect of adjusting the direction of working has been played, has reached the purpose of being convenient for adjust the direction.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the structure of the present invention;

FIG. 3 is a schematic sectional view of the present invention;

fig. 4 is a schematic view of the top view structure of the present invention.

In the figure: 1. a base; 2. a flange shaft; 3. a rotating base; 4. a servo motor; 5. a support block; 6. a first gear shaft; 7. a flange plate; 8. a gear fixing seat; 9. a driving wheel; 10. a shaft seat; 11. a driven wheel; 12. a second gear shaft; 13. connecting blocks; 14. a handle; 15. a screw; 16. a fixed block; 17. fixing a column; 18. an arc-shaped fixture block; 19. a spring; 20. pressing the block; 21. pressing the blocks; 22. positioning holes; 23. A fixed seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: a clamp for processing a steam turbine condenser tube plate comprises a base 1, a flange shaft 2 is fixedly connected to the upper surface of the base 1, a flange plate 7 is inserted into the flange shaft 2, a rotary seat 3 is fixedly connected to the upper surface of the flange plate 7, a supporting block 5 is fixedly connected to the upper surface of the rotary seat 3, a fixed seat 23 is fixedly connected to one side of the base 1, a servo motor 4 is fixedly connected to one side of the fixed seat 23, an inner bottom wall of the base 1 is fixedly connected with a shaft seat 10, a second gear shaft 12 is inserted into the shaft seat 10, a driven wheel 11 is fixedly connected to the outer side surface of the second gear shaft 12, a gear fixed seat 8 is fixedly connected to the inner side of the base 1, a first gear shaft 6 is fixedly connected to the output end of the servo motor 4 through the inner side of the gear fixed seat 8, the outer side surface of the first gear shaft, the upper surface of the rotary base 3 is fixedly connected with a fixed block 16, the bottom of the fixed block 16 is inserted with a fixed column 17, the outer part of the fixed column 17 is sleeved with a spring 19, one end of the fixed column 17 is fixedly connected with an arc-shaped fixture block 18, the inner part of the flange 7 is provided with a positioning hole 22, the upper surface of the flange 7 is fixedly connected with the lower surface of the rotary base 3 through the positioning hole 22, the other end of the fixed column 17 is fixedly connected with a lower pressing block 20, the top of the fixed block 16 is in threaded connection with a screw rod 15, the number of the fixed blocks 16 is four, the four fixed blocks 16 are equidistantly distributed on the upper surface of the rotary base 3, the other end of the second gear shaft 12 is fixedly connected with a connecting block 13, one end of the screw rod 15 is fixedly connected with a handle 14, the other end of, through the matching arrangement of the screw rod 15 and the fixed column 17, the screw rod 15 can be rotated through the handle 14 in the use process, under the action of the fixed block 16, the upper pressing block 21 moves downwards to press the lower pressing block 20 to move towards the center, the fixed column 17 drives the arc-shaped clamping block 18 to clamp the tube plate, so that the effect of conveniently clamping the tube plate is achieved, the purpose of conveniently fixing and processing is achieved, one side of the arc-shaped clamping block 18 is fixedly connected with buffer rubber, the rotary base 3 is internally provided with the positioning hole 22, through the arrangement of the servo motor 4, the fixture for processing the tube plate of the steam turbine condenser has the effect of adjusting the direction, through the matching arrangement of the driven wheel 11 and the flange plate 7, the driving wheel 9 can be driven through the rotation of the servo motor 4 in the use process, the driving wheel 9 drives the driven wheel 11 to rotate so as to drive the rotary base, the purpose of conveniently adjusting the direction is achieved.

When in use, the screw 15 drives the upper pressing block 21 to move upwards by rotating the handle 14, when the downward pressure is lost, the lower pressing block 20 and the arc-shaped clamping block 18 move upwards under the action of the spring 19, the tube plate to be processed is placed on the supporting block 5, the tube plate is pressed and fixed by rotating the handle 14, when the tube plate needs to be subjected to direction changing processing, the servo motor 4 is started, the output end of the servo motor 4 drives the driving wheel 9 to rotate, the driving wheel 9 is meshed with the driven wheel 11, the driven wheel 11 rotates, the second gear shaft 12 in the driven wheel 11 rotates along with the driven wheel 11, because one end of the second gear shaft 12 is fixedly connected with the inner part of the flange 7, when the second gear shaft 12 rotates, the flange 7 drives the rotary base 3 to rotate through a screw pin in the positioning hole 22, and finally the angle of the tube plate can be adjusted to process the tube plate.

To sum up, the utility model, through the arrangement of the fixing block 16, enables the fixture for processing the tube plate of the steam turbine condenser to have the effect of convenient clamping, through the matching arrangement of the screw rod 15 and the fixing column 17, the screw rod 15 can be rotated through the handle 14 in the using process, under the action of the fixing block 16, the upper pressing block 21 moves downwards, the pressing block 20 moves towards the center under the compression, the fixing column 17 drives the arc-shaped clamping block 18 to clamp the tube plate, thereby the tube plate is convenient to be clamped, the purpose of convenient fixing processing is achieved, through the arrangement of the servo motor 4, the fixture for processing the tube plate of the steam turbine condenser has the effect of adjusting the direction, through the matching arrangement of the driven wheel 11 and the flange plate 7, the driving wheel 9 can be driven by the servo motor 4 to rotate in the using process, the driving wheel 9 drives the driven wheel 11 to rotate so as to, thereby playing the role of adjusting the processing direction and achieving the purpose of being convenient for adjusting the direction.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a clamp for processing of steam turbine condenser tube sheet, includes base (1), its characterized in that: the upper surface of the base (1) is fixedly connected with a flange shaft (2), a flange plate (7) is inserted into the flange shaft (2), the upper surface of the flange plate (7) is fixedly connected with a rotating seat (3), an axle seat (10) is fixedly connected with the inner bottom wall of the base (1), a second gear shaft (12) is inserted into the axle seat (10), the outer side surface of the second gear shaft (12) is fixedly connected with a driven wheel (11), one side of the driven wheel (11) is engaged with a driving wheel (9), the upper surface of the rotating seat (3) is fixedly connected with a fixed block (16), the bottom of the fixed block (16) is inserted with a fixed column (17), the outer part of the fixed column (17) is sleeved with a spring (19), one end of the fixed column (17) is fixedly connected with an arc-shaped clamping block (18), and the other end of the fixed column (17) is fixedly, the top of the fixed block (16) is in threaded connection with a screw rod (15), one end of the screw rod (15) is fixedly connected with a handle (14), and the other end of the screw rod (15) is fixedly connected with an upper pressing block (21).

2. The clamp for machining the tube plate of the steam turbine condenser according to claim 1, wherein: the upper surface of roating seat (3) is fixed with supporting shoe (5), one side fixed connection of base (1) has fixing base (23), one side fixed connection of fixing base (23) has servo motor (4).

3. The clamp for machining the tube plate of the steam turbine condenser according to claim 2, wherein: the inside fixedly connected with gear fixing base (8) of base (1), the first gear shaft (6) of inside fixedly connected with of gear fixing base (8) is passed through to the output of servo motor (4), the lateral surface of first gear shaft (6) is fixed connection with the inside of action wheel (9).

4. The clamp for machining the tube plate of the steam turbine condenser according to claim 1, wherein: the inner part of the flange plate (7) is provided with a positioning hole (22), and the upper surface of the flange plate (7) is fixedly connected with the lower surface of the rotary seat (3) through the positioning hole (22).

5. The clamp for machining the tube plate of the steam turbine condenser according to claim 1, wherein: the number of the fixing blocks (16) is four, the four fixing blocks (16) are equidistantly distributed on the upper surface of the rotating seat (3), and the other end of the second gear shaft (12) is fixedly connected with a connecting block (13).

6. The clamp for machining the tube plate of the steam turbine condenser according to claim 1, wherein: one side of the arc-shaped clamping block (18) is fixedly connected with buffer rubber, and a positioning hole (22) is formed in the rotating seat (3).