CN214771878U

CN214771878U - Turbine water pump overhauls platform

Info

Publication number: CN214771878U
Application number: CN202120204782.6U
Authority: CN
Inventors: 徐韶; 王林; 高若凡; 张巍; 刘海燕; 吴凡
Original assignee: Nanjing Jinling Petrochemical Construction And Installation Engineering Co ltd
Current assignee: Nanjing Jinling Petrochemical Construction And Installation Engineering Co ltd
Priority date: 2021-01-25
Filing date: 2021-01-25
Publication date: 2021-11-19
Anticipated expiration: 2031-01-25

Abstract

The application relates to a steam turbine water pump maintenance platform, which relates to the technical field of water pump maintenance. The top wall of the base is provided with a driving mechanism for driving a plurality of lifting columns to rise and fall synchronously. The present application facilitates the worker to adjust the use height of the maintenance platform through the cooperation of the lifting support, the operating table and the driving mechanism, thereby reducing the frequency of the worker bending over, thereby achieving the effect of saving time and effort.

Description

Turbine water pump overhauls platform

Technical Field

The application relates to the technical field of water pump overhaul, in particular to a turbine water pump overhaul platform.

Background

The steam turbine is a rotating machine which takes steam as power and converts heat energy of the steam into mechanical work, a water pump inside the steam turbine is mainly a condensate pump, the condensate pump is a vertical multistage centrifugal pump and is of a vertical barrel bag type double-layer shell structure, and after the steam turbine is used for a period of time, workers need to overhaul the condensate pump.

In the correlation technique, the workman dismantles the back with condensate pump from the steam turbine, places condensate pump in ground and overhauls, because condensate pump places when subaerial, needs the workman to bow or squat and overhauls, wastes time and energy.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that wastes time and energy when the workman overhauls the water pump, this application provides a turbine water pump overhauls platform.

The application provides a steam turbine water pump overhauls platform adopts following technical scheme:

the utility model provides a steam turbine water pump overhauls platform, includes the base, be connected with the operation panel through a plurality of lift pillars on the roof of base, be equipped with the spout that is used for placing the water pump on the roof of operation panel, be equipped with the actuating mechanism who is used for driving a plurality of lift pillars and go up and down in step on the roof of base.

By adopting the technical scheme, before maintenance, a worker drives the lifting support columns to synchronously lift by using the driving mechanism so as to adjust the maintenance platform to the height convenient for the worker to maintain, and when the water pump is placed in the sliding groove for maintenance, the sliding groove is used for limiting the water pump to a certain extent, so that the stability during maintenance is improved; the lifting support, the operating platform and the driving mechanism are matched together, so that the frequency of bending over and even squatting of workers is reduced, and the time and the labor are saved when the workers overhaul the water pump; and contributes to improving subsequent mounting accuracy.

Optionally, the lift pillar includes the pole setting and slides the slide bar of connection in the pole setting, actuating mechanism includes the screw sleeve, the screw sleeve rotates to be connected on the roof of base, the inner wall on screw sleeve top and the circumference wall threaded connection of slide bar, be equipped with on the roof of base and be used for driving a plurality of screw sleeve pivoted drive assembly.

Through adopting above-mentioned technical scheme, utilize drive assembly drive screw sleeve to rotate for screw sleeve drives the slide bar and reciprocates to slide along the length direction of stand bar, thereby realizes the lift of operation panel.

Optionally, the driving assembly includes a worm gear coaxially disposed on the threaded sleeve, the top wall of the base is rotatably connected with a rotating shaft, a plurality of worms are coaxially disposed on the circumferential side wall of the rotating shaft, the worms are meshed with the worm gear, one end of the rotating shaft is connected with a servo motor, and the servo motor is disposed on the top wall of the base.

Through adopting above-mentioned technical scheme, utilize servo motor drive pivot, worm and worm wheel rotation in order for the worm wheel drives the screw sleeve and rotates, thereby makes the slide bar slide along the length direction of stand bar, and simple structure is convenient.

Optionally, a plurality of part placing grooves are formed in the top wall of the operating platform and located on two sides of the sliding groove, and bearing plates extend from the side wall of the operating platform.

Through adopting above-mentioned technical scheme, when the workman overhauls the water pump, need dismantle the water pump, the part that will dismantle gets off places in the part standing groove in order, makes things convenient for the follow-up equipment water pump of workman, utilizes to accept the board and accepts the repair tools that the workman overhauld in-process and used, convenience when helping promoting the workman to overhaul.

Optionally, the two ends of the operating platform are provided with repair boxes for placing repair tools.

By adopting the technical scheme, the repair box is used for containing the repair tools, so that the repair tools can be conveniently used or placed by workers in the overhaul process; and the worker can conveniently distinguish the repair tool from the water pump part on the operating platform.

Optionally, be equipped with in the base and accomodate the chamber, it is connected with a plurality of bracing pieces to slide on the bottom wall of base, the diapire of base is run through on the top of bracing piece and stretches into and accomodate the intracavity, the bottom of bracing piece is rotated and is connected with the universal wheel, it is equipped with the elevating system who is used for driving a plurality of bracing pieces to go up and down in step to accomodate the intracavity.

Through adopting above-mentioned technical scheme, utilize the universal wheel, make things convenient for the workman to remove this maintenance platform to appointed position of use, remove behind the appointed position of use, recycle the diapire that a plurality of bracing pieces of elevating system drive rose to the base in step and accept in ground to promote the stability when this maintenance platform uses.

Optionally, the lifting mechanism includes a linkage rod for connecting the plurality of support rods, and a lifting assembly for driving the linkage rod to lift is arranged in the accommodating cavity.

Through adopting above-mentioned technical scheme, utilize lifting unit drive gangbar to go up and down for the gangbar passes through the bracing piece and drives the synchronous lift of universal wheel, and then realizes accomodating and releasing of universal wheel.

Optionally, the lifting unit includes two intercrossing and articulated movable rod, the one end of movable rod articulates there is the slider, the slider slides and connects on the gangbar, the other end of movable rod articulates there is the drive block, it is equipped with driving motor to accomodate the intracavity, driving motor's output shaft has two-way screw rod, one of them drive block threaded connection is in the one end of two-way screw rod, another drive block threaded connection is at the other end of two-way screw rod.

Through adopting above-mentioned technical scheme, utilize driving motor drive two-way screw rod to rotate for two-way screw rod drives two drive blocks and slides in step in opposite directions, under the effect of movable rod, makes the movable rod drive two sliders and slides in step in opposite directions, thereby makes the gangbar pass through the bracing piece and drives the vertical upward movement of universal wheel and accept in ground to the diapire of base.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the frequency of bending operation of workers is reduced by the common cooperation of the lifting support, the operating platform and the driving mechanism, so that the time and the labor are saved when the workers overhaul the water pump;

2. the servo motor is utilized to sequentially drive the rotating shaft, the worm and the worm wheel to rotate, so that the worm wheel drives the threaded sleeve to rotate, the sliding rod slides along the length direction of the vertical rod, and the lifting of the operating platform is further realized, so that the operating platform can be adapted to the use requirements of different heights of the operating platform;

3. the arrangement of the part placing groove, the tool box and the bearing plate enables workers to assemble and disassemble the water pump in order, so that the convenience of the workers in maintenance is improved;

4. utilize driving motor drive two-way screw rod to rotate for two-way screw rod drives two drive blocks and slides in step in opposite directions, under the effect of movable rod, makes the movable rod drive two sliders and slides in step in opposite directions, thereby makes the gangbar pass through the diapire that the bracing piece drove the vertical upward movement of universal wheel to the base and accepts in ground, helps promoting the stability when this maintenance platform uses.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic sectional view showing the connection relationship among the base, the upright, the slide rod, the threaded sleeve, the worm wheel, the servo motor, the rotating shaft, the lug and the worm in the embodiment of the present application.

FIG. 3 is a schematic cross-sectional view of a linkage rod, a support rod, a universal wheel and a lifting assembly according to an embodiment of the present disclosure.

Fig. 4 is a schematic structural diagram for embodying the connection relationship among the coupling rod, the connecting rod, the slider, the movable rod, the driving motor, the bidirectional screw, and the driving block in the embodiment of the present application.

Description of reference numerals: 1. a base; 2. a lifting column; 21. erecting a rod; 22. a slide bar; 220. a guide chute; 3. an operation table; 30. a chute; 31. a part placing groove; 32. a bearing plate; 4. a threaded sleeve; 5. a drive assembly; 51. a worm gear; 52. a rotating shaft; 521. a lug; 53. a worm; 54. a servo motor; 6. repairing the box; 7. a receiving cavity; 8. a support bar; 9. a universal wheel; 10. a linkage rod; 101. a connecting rod; 102. a connecting rod; 11. a lifting assembly; 111. a movable rod; 112. a slider; 113. a drive block; 114. a drive motor; 115. a bidirectional screw; 12. a water pump; 13. a slideway; 14. a pad seat; 15. a limiting chute; 16. a handle.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses turbine water pump overhauls platform. Referring to fig. 1, a turbine water pump overhauls platform includes base 1, fixedly connected with handle 16 on base 1's the lateral wall, through a plurality of lift pillars 2 fixedly connected with operation panel 3 on base 1's the roof, run through being equipped with the spout 30 that is used for placing water pump 12 along self length direction on operation panel 3's the roof, the shape of spout 30's longitudinal section is isosceles trapezoid, the both sides that lie in spout 30 on operation panel 3's the roof are equipped with a plurality of part standing grooves 31, the welding has repair box 6 that is used for placing repair tools on the lateral wall of base 1 one end, extension and fixedly connected with accept board 32 on operation panel 3 along the lateral wall of self length direction both sides, the quantity of lift pillars 2 in this application is three, be equipped with the actuating mechanism that is used for driving three lift pillars 2 synchronous lifts on base 1's the roof.

Referring to fig. 1, before the maintenance, utilize three lifting support 2 of actuating mechanism drive to go up and down in step to adjust this maintenance platform to suitable use height, reduce the frequency that the workman stood down, thereby promote the convenience when the workman overhauls water pump 12, utilize and repair box 6 and part standing groove 31, make things convenient for the workman to use the part of maintenance tool on the water pump 12 that will demolish to place in part standing groove 31 in order, so that subsequent assembling.

Referring to fig. 1 and 2, the lifting pillar 2 includes a vertical rod 21 and a sliding rod 22, the cross section of the sliding rod 22 is circular, the top wall of the sliding rod 22 is fixedly connected with the bottom wall of the operating table 3, a guide chute 220 is arranged on the bottom wall of the sliding rod 22, the bottom wall of the vertical rod 21 is fixedly connected with the top wall of the base 1, the cross section of the vertical rod 21 is rectangular, the top end of the vertical rod 21 is connected with the guide chute 220 in a sliding manner, a driving mechanism for driving the three sliding rods 22 to synchronously lift is arranged on the top wall of the base 1, and the driving mechanism includes a threaded sleeve 4 coaxially sleeved on the lifting pillar 2 and a driving component 5.

Referring to fig. 1 and 2, the bottom end of the threaded sleeve 4 is rotatably connected to the top wall of the base 1, the inner wall of the top end of the threaded sleeve 4 is in threaded connection with the outer peripheral wall of the sliding rod 22, the driving assembly 5 comprises a worm wheel 51, a servo motor 54, a rotating shaft 52 and three worms 53, the worm wheel 51 is coaxially and fixedly connected to the outer peripheral wall of the threaded sleeve 4, the servo motor 54 is fixedly connected to the top wall of the base 1, the output shaft of the servo motor 54 is coaxially connected to the rotating shaft 52, the rotating shaft 52 is rotatably connected to the top wall of the base 1 through a plurality of lugs 521, the worms 53 are coaxially fixed to the peripheral side wall of the rotating shaft 52, and the worms 53 are meshed with the worm wheel 51.

Referring to fig. 1 and 2, the rotating shaft 52, the worm 53 and the worm wheel 51 are sequentially driven by the servo motor 54 to rotate, so that the worm wheel 51 drives the threaded sleeve 4 to rotate, and the sliding rod 22 slides along the length direction of the upright 21 under the guiding action of the guiding chute 220, so that a worker can adjust the height of the operating platform 3.

Referring to fig. 3 and 4, fixedly connected with base 14 on the diapire of base 1, be equipped with in base 1 and accomodate chamber 7, it is connected with a plurality of bracing pieces 8 to slide on base 1's the diapire, the quantity of bracing piece 8 in this application uses four as an example, base 1's diapire four corners all runs through the slide 13 that is equipped with and accomodates chamber 7 intercommunication, the top of bracing piece 8 is passed slide 13 and is stretched into and accomodate the intracavity 7, the bottom of bracing piece 8 stretches out slide 13 and has the universal wheel 9 with the swivelling joint, accomodate and be equipped with the elevating system that drives a plurality of bracing pieces 8 and go up and down in step in the chamber 7.

Referring to fig. 3 and 4, the lifting mechanism includes a linkage rod 10 and a lifting assembly 11 for driving the linkage rod 10 to lift, the linkage rod 10 has an H-shaped cross section, the linkage rod 10 includes two connecting rods 101 and a connecting rod 102, one connecting rod 101 is fixedly connected between two supporting rods 8 located on the same side, the connecting rod 101 is fixedly connected between two supporting rods 8 on the other side, one end of the connecting rod 102 is fixedly connected with one connecting rod 101, and the other end of the connecting rod 102 is fixedly connected with the other connecting rod 101.

Referring to fig. 3 and 4, the lifting assembly 11 includes a driving motor 114, a bidirectional screw 115, two driving blocks 113, a slider 112 and a movable rod 111, the driving motor 114 is fixedly connected to the bottom wall of the receiving cavity 7, an output shaft of the driving motor 114 is connected to the bidirectional screw 115, the screw threads at two ends of the bidirectional screw 115 are opposite in rotation direction, one end of the bidirectional screw 115 penetrates through the side wall of one driving block 113 and is in threaded connection with the driving block 113, the other end of the bidirectional screw 115 penetrates through the side wall of the other driving block 113 and is in threaded connection with the driving block 113, two limit chutes 15 are arranged on the bottom wall of the connecting rod 102, one of the sliding blocks 112 is connected in one of the limiting sliding grooves 15 in a sliding manner, the other sliding block 112 is connected in the other limiting sliding groove 15 in a sliding manner, the two movable rods 111 are arranged in a crossed manner and are hinged with each other, one end of each movable rod 111 is hinged with the corresponding sliding block 112, and the other end of each movable rod 111 is hinged with the corresponding driving block 113.

Referring to fig. 3 and 4, under the initial state, universal wheel 9 supports in subaerial, when the workman need use this maintenance platform, earlier remove this maintenance platform to appointed position of use, reuse driving motor 114 drive two-way screw 115 rotates, under the effect of slide 13, make two drive blocks 113 move in opposite directions, under the drive effect of movable rod 111, two drive blocks 113 move in opposite directions, thereby make gangbar 10 drive four universal wheels 9 through bracing piece 8 and rise to the diapire of base of cushion 14 in step and accept in ground, thereby promote the stability when this maintenance platform uses.

The implementation principle of the turbine water pump overhaul platform in the embodiment of the application is as follows: the worker firstly moves the maintenance platform to a specified use position, then drives the bidirectional screw 115 to rotate by using the driving motor 114, under the action of the slideway 13, the two driving blocks 113 move oppositely, under the driving action of the movable rod 111, the two driving blocks 113 move oppositely, so that the linkage rod 10 drives the four universal wheels 9 to synchronously ascend to the bottom wall of the cushion seat 14 through the supporting rod 8 to be received on the ground, the worker then adjusts the use height of the operation platform 3 according to the use height, during adjustment, the servo motor 54 sequentially drives the rotating shaft 52, the worm 53 and the worm wheel 51 to rotate, so that the worm wheel 51 drives the threaded sleeve 4 to rotate, under the guiding action of the guiding chute 220, the sliding rod 22 slides along the length direction of the vertical rod 21, and the worker can adjust the operation platform 3 to a proper use height.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A steam turbine water pump maintenance platform is characterized in that: comprising a base (1), the top wall of the base (1) is connected with an operating table (3) through several lifting struts (2), and the operating table (3) ) is provided with a chute (30) for placing the water pump (12) on the top wall, and a drive mechanism for driving a plurality of lifting columns (2) to lift synchronously is provided on the top wall of the base (1).

2. A steam turbine water pump maintenance platform according to claim 1, characterized in that: the lifting support (2) comprises a vertical rod (21) and a sliding rod (22) slidably connected to the vertical rod (21) , the drive mechanism comprises a threaded sleeve (4), the threaded sleeve (4) is rotatably connected to the top wall of the base (1), and the inner wall of the top end of the threaded sleeve (4) is connected to the sliding rod (22) The circumferential wall of the base (1) is threadedly connected, and the top wall of the base (1) is provided with a driving assembly (5) for driving a plurality of threaded sleeves (4) to rotate.

3. A steam turbine water pump maintenance platform according to claim 2, characterized in that: the drive assembly (5) comprises a worm gear (51) coaxially arranged on the threaded sleeve (4), the base (1) A rotating shaft (52) is rotatably connected to the top wall of the rotating shaft (52), and a number of worms (53) are coaxially arranged on the peripheral side walls of the rotating shaft (52). One end of (52) is connected with a servo motor (54), and the servo motor (54) is arranged on the top wall of the base (1).

4. A steam turbine water pump maintenance platform according to claim 1, characterized in that: a plurality of parts placement grooves (31) are provided on both sides of the chute (30) on the top wall of the operating table (3), A receiving plate (32) is extended on the side wall of the operating table (3).

5 . The steam turbine water pump maintenance platform according to claim 4 , wherein a repair box ( 6 ) for placing repair tools is provided on the side wall of one end of the base ( 1 ). 6 .

6. A steam turbine water pump maintenance platform according to claim 1, characterized in that: the base (1) is provided with a receiving cavity (7), and the bottom wall of the base (1) is slidably connected with several A support rod (8), the top end of the support rod (8) penetrates the bottom wall of the base (1) and extends into the storage cavity (7), and the bottom end of the support rod (8) is rotatably connected with a universal wheel ( 9), the storage cavity (7) is provided with a lifting mechanism for driving a plurality of support rods (8) to rise and fall synchronously.

7 . The steam turbine water pump maintenance platform according to claim 6 , wherein the lifting mechanism comprises a linkage rod ( 10 ) for connecting a plurality of support rods ( 8 ), and the storage cavity ( 7 ) is provided with an internal There is a lifting assembly (11) for driving the linkage rod (10) to rise and fall.

8 . The steam turbine water pump maintenance platform according to claim 7 , wherein the lifting assembly ( 11 ) comprises two movable rods ( 111 ) that are intersected and hinged, and one end of the movable rod ( 111 ) is hinged. 9 . There is a slider (112), the slider (112) is slidably connected to the linkage rod (10), the other end of the movable rod (111) is hinged with a drive block (113), and the storage cavity (7) A driving motor (114) is provided inside, and the output shaft of the driving motor (114) is connected with a bidirectional screw (115), wherein one of the driving blocks (113) is screwed on one end of the bidirectional screw (115), and the other is connected with the bidirectional screw (115). The driving block (113) is screwed on the other end of the bidirectional screw (115).